Adds weapons (#48)

* Adds weapons

- Adds melee weapons
- Adds projectile weapons
- Adds hitscan weapons (like lasers)

* Adds a separate sprite for projectile weapons

.github/CODEOWNERS

@@ -1 +1 @@
-* @PJB3005
+* @PJB3005 @Silvertorch5

.gitignore

@@ -262,3 +262,9 @@ __pycache__/
 
 # Visual Studio Code workspace settings.
 .vscode/
+
+# Release package files go here:
+release/
+
+# Apple please go.
+.DS_Store

.gitmodules

@@ -1,3 +1,4 @@
 [submodule "engine"]
 	path = engine
 	url = https://github.com/space-wizards/space-station-14.git
+	branch = master

BuildChecker/BuildChecker.csproj

@@ -16,9 +16,16 @@ https://docs.microsoft.com/en-us/visualstudio/msbuild/msbuild
   <PropertyGroup>
     <Python>python3</Python>
     <Python Condition="'$(OS)'=='Windows_NT' Or '$(OS)'=='Windows'">py -3</Python>
+    <ProjectGuid>{C899FCA4-7037-4E49-ABC2-44DE72487110}</ProjectGuid>
+  </PropertyGroup>
+  <PropertyGroup>
+    <OutputType>Library</OutputType>
+  </PropertyGroup>
+  <PropertyGroup>
+    <StartupObject />
   </PropertyGroup>
   <Target Name="Build">
-    <Exec Command="$(Python) git_helper.py" CustomErrorRegularExpression="^Error"/>
+    <Exec Command="$(Python) git_helper.py" CustomErrorRegularExpression="^Error" />
   </Target>
   <Target Name="Rebuild" DependsOnTargets="Build" />
   <Target Name="Clean">

BuildFiles/Mac/Space Station 14.app/Contents/Info.plist

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+    <key>CFBundleName</key>
+    <string>SS14</string>
+    <key>CFBundleDisplayName</key>
+    <string>Space Station 14</string>
+    <key>CFBundleExecutable</key>
+    <string>SS14</string>
+    <!--
+    Just a note about this icon.
+    MacOS seems REALLY iffy about this and even when the file is correct,
+    it can take forever before it decides to actually update it and display it.
+    TL;DR Apple is stupid.
+    -->
+    <key>CFBundleIconFile</key>
+    <string>ss14</string>
+</dict>
+</plist>

BuildFiles/Mac/Space Station 14.app/Contents/MacOS/SS14

@@ -0,0 +1,9 @@
+#!/usr/bin/env -i bash
+
+# cd to file containing script or something?
+BASEDIR=$(dirname "$0")
+echo "$BASEDIR"
+cd "$BASEDIR"
+
+# TODO: unhardcode this, probably ship Mono with SS14.
+/Library/Frameworks/Mono.framework/Versions/Current/Commands/mono --arch=64 ./SS14.Client.exe

Content.Client/Content.Client.csproj

@@ -11,32 +11,36 @@
     <AssemblyName>Content.Client</AssemblyName>
     <TargetFrameworkVersion>v4.5.1</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
-    <ContentAssemblyTarget>..\bin\Client\Assemblies\</ContentAssemblyTarget>
+    <ContentAssemblyTarget>..\bin\Client\Resources\Assemblies\</ContentAssemblyTarget>
+    <!--
+    This copies all dependencies,
+    but on the plus side it's automatically located in the right place.
+    -->
+    <OutputPath>..\bin\Content.Client\</OutputPath>
+    <ErrorReport>prompt</ErrorReport>
+    <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|x86'">
     <DebugSymbols>true</DebugSymbols>
-    <!--
-    This copies all dependencies,
-    but on the plus side it's automatically located in the right place.
-    -->
-    <OutputPath>..\bin\Content.Client\</OutputPath>
     <DefineConstants>DEBUG;TRACE</DefineConstants>
     <DebugType>full</DebugType>
     <PlatformTarget>x86</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
-    <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|x86'">
-    <!--
-    This copies all dependencies,
-    but on the plus side it's automatically located in the right place.
-    -->
-    <OutputPath>..\bin\Content.Client\</OutputPath>
     <DefineConstants>TRACE</DefineConstants>
     <Optimize>true</Optimize>
     <PlatformTarget>x86</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
-    <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|x64'">
+    <DebugSymbols>true</DebugSymbols>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <DebugType>full</DebugType>
+    <PlatformTarget>x64</PlatformTarget>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|x64'">
+    <DefineConstants>TRACE</DefineConstants>
+    <Optimize>true</Optimize>
+    <PlatformTarget>x64</PlatformTarget>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="System" />
@@ -47,10 +51,20 @@
     <Reference Include="System.Data" />
     <Reference Include="System.Net.Http" />
     <Reference Include="System.Xml" />
+    <Reference Include="OpenTK, Version=3.0.0.0, Culture=neutral, PublicKeyToken=bad199fe84eb3df4, processorArchitecture=MSIL">
+      <HintPath>$(SolutionDir)packages\OpenTK.3.0.0-pre\lib\net20\OpenTK.dll</HintPath>
+    </Reference>
+    <Reference Include="YamlDotNet, Version=4.3.0.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>$(SolutionDir)packages\YamlDotNet.4.3.0\lib\net45\YamlDotNet.dll</HintPath>
+    </Reference>
   </ItemGroup>
   <ItemGroup>
     <Compile Include="EntryPoint.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="GameObjects\Components\Items\ClientHandsComponent.cs" />
+    <Compile Include="GameObjects\Components\Doors\ClientDoorComponent.cs" />
+    <Compile Include="Interfaces\GameObjects\Components\Items\IHandsComponent.cs" />
+    <Compile Include="UserInterface\HandsGui.cs" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\Content.Shared\Content.Shared.csproj">
@@ -84,4 +98,8 @@
     <ContentAssemblies Include="$(OutputPath)Content.Client.pdb" Condition="'$(Configuration)' == 'Debug'" />
     <ContentAssemblies Include="$(OutputPath)Content.Shared.pdb" Condition="'$(Configuration)' == 'Debug'" />
   </ItemGroup>
+  <ItemGroup>
+    <None Include="app.config" />
+    <None Include="packages.config" />
+  </ItemGroup>
 </Project>

Content.Client/EntryPoint.cs

@@ -1,4 +1,8 @@
-using SS14.Shared.ContentPack;
+using Content.Client.GameObjects;
+using Content.Client.Interfaces.GameObjects;
+using SS14.Shared.ContentPack;
+using SS14.Shared.Interfaces.GameObjects;
+using SS14.Shared.IoC;
 
 namespace Content.Client
 {
@@ -6,7 +10,36 @@ namespace Content.Client
     {
         public override void Init()
         {
-            // TODO: Anything at all.
+            var factory = IoCManager.Resolve<IComponentFactory>();
+
+            factory.RegisterIgnore("Inventory");
+            factory.RegisterIgnore("Item");
+            factory.RegisterIgnore("Interactable");
+            factory.RegisterIgnore("Damageable");
+            factory.RegisterIgnore("Destructible");
+            factory.RegisterIgnore("Temperature");
+            factory.RegisterIgnore("PowerTransfer");
+            factory.RegisterIgnore("PowerNode");
+            factory.RegisterIgnore("PowerProvider");
+            factory.RegisterIgnore("PowerDevice");
+            factory.RegisterIgnore("PowerStorage");
+            factory.RegisterIgnore("PowerGenerator");
+
+            factory.RegisterIgnore("Wirecutter");
+            factory.RegisterIgnore("Screwdriver");
+            factory.RegisterIgnore("Multitool");
+            factory.RegisterIgnore("Welder");
+            factory.RegisterIgnore("Wrench");
+            factory.RegisterIgnore("Crowbar");
+            factory.RegisterIgnore("HitscanWeapon");
+            factory.RegisterIgnore("ProjectileWeapon");
+            factory.RegisterIgnore("Projectile");
+            factory.RegisterIgnore("MeleeWeapon");
+
+            factory.Register<HandsComponent>();
+            factory.RegisterReference<HandsComponent, IHandsComponent>();
+
+            factory.Register<ClientDoorComponent>();
         }
     }
 }

Content.Client/GameObjects/Components/Doors/ClientDoorComponent.cs

@@ -0,0 +1,71 @@
+using Content.Shared.GameObjects;
+using Lidgren.Network;
+using SS14.Client.GameObjects;
+using SS14.Shared.GameObjects;
+using SS14.Shared.Utility;
+using YamlDotNet.RepresentationModel;
+
+namespace Content.Client.GameObjects
+{
+    public class ClientDoorComponent : SharedDoorComponent
+    {
+        public bool Opened { get; private set; }
+        private SpriteComponent spriteComponent;
+
+        private string OpenSprite = "door_ewo";
+        private string CloseSprite = "door_ew";
+
+        public override void Initialize()
+        {
+            base.Initialize();
+
+            spriteComponent = Owner.GetComponent<SpriteComponent>();
+        }
+
+        private void Open()
+        {
+            Opened = true;
+            spriteComponent.SetSpriteByKey(OpenSprite);
+        }
+
+        private void Close()
+        {
+            Opened = false;
+            spriteComponent.SetSpriteByKey(CloseSprite);
+        }
+
+        public override void HandleComponentState(ComponentState state)
+        {
+            var castState = (DoorComponentState)state;
+            if (castState.Opened == Opened)
+            {
+                return;
+            }
+
+            if (castState.Opened)
+            {
+                Open();
+            }
+            else
+            {
+                Close();
+            }
+        }
+
+        public override void LoadParameters(YamlMappingNode mapping)
+        {
+            base.LoadParameters(mapping);
+
+            YamlNode node;
+            if (mapping.TryGetNode("openstate", out node))
+            {
+                OpenSprite = node.AsString();
+            }
+
+            if (mapping.TryGetNode("closestate", out node))
+            {
+                CloseSprite = node.AsString();
+            }
+        }
+    }
+}

Content.Client/GameObjects/Components/Items/ClientHandsComponent.cs

@@ -0,0 +1,53 @@
+using Content.Client.Interfaces.GameObjects;
+using Content.Client.UserInterface;
+using Content.Shared.GameObjects;
+using SS14.Client.Interfaces.UserInterface;
+using SS14.Shared.GameObjects;
+using SS14.Shared.Interfaces.GameObjects;
+using SS14.Shared.IoC;
+using System.Collections.Generic;
+
+namespace Content.Client.GameObjects
+{
+    public class HandsComponent : SharedHandsComponent, IHandsComponent
+    {
+        private readonly Dictionary<string, IEntity> hands = new Dictionary<string, IEntity>();
+        public string ActiveIndex { get; private set; }
+
+        public IEntity GetEntity(string index)
+        {
+            if (hands.TryGetValue(index, out var entity))
+            {
+                return entity;
+            }
+
+            return null;
+        }
+
+        public override void HandleComponentState(ComponentState state)
+        {
+            var cast = (HandsComponentState)state;
+            hands.Clear();
+            foreach (var hand in cast.Hands)
+            {
+                hands[hand.Key] = Owner.EntityManager.GetEntity(hand.Value);
+            }
+
+            ActiveIndex = cast.ActiveIndex;
+
+            // Tell UI to update.
+            var uiMgr = IoCManager.Resolve<IUserInterfaceManager>();
+            if (!uiMgr.TryGetSingleComponent<HandsGui>(out var component))
+            {
+                component = new HandsGui();
+                uiMgr.AddComponent(component);
+            }
+            component.UpdateHandIcons();
+        }
+
+        public void SendChangeHand(string index)
+        {
+            SendNetworkMessage(new ClientChangedHandMsg(index));
+        }
+    }
+}

Content.Client/Interfaces/GameObjects/Components/Items/IHandsComponent.cs

@@ -0,0 +1,14 @@
+using SS14.Shared.Interfaces.GameObjects;
+
+namespace Content.Client.Interfaces.GameObjects
+{
+    // HYPER SIMPLE HANDS API CLIENT SIDE.
+    // To allow for showing the HUD, mostly.
+    public interface IHandsComponent
+    {
+        IEntity GetEntity(string index);
+        string ActiveIndex { get; }
+
+        void SendChangeHand(string index);
+    }
+}

Content.Client/UserInterface/HandsGui.cs

@@ -0,0 +1,190 @@
+using Content.Client.Interfaces.GameObjects;
+using SS14.Client.GameObjects;
+using SS14.Client.Graphics;
+using SS14.Client.Graphics.Input;
+using SS14.Client.Graphics.Sprites;
+using SS14.Client.Interfaces.Player;
+using SS14.Client.Interfaces.Resource;
+using SS14.Client.Interfaces.UserInterface;
+using SS14.Client.UserInterface.Controls;
+using SS14.Shared.Interfaces.GameObjects;
+using SS14.Shared.IoC;
+using SS14.Shared.Maths;
+
+namespace Content.Client.UserInterface
+{
+    public class HandsGui : Control
+    {
+        private readonly Color _inactiveColor = new Color(90, 90, 90);
+
+        private readonly IPlayerManager _playerManager = IoCManager.Resolve<IPlayerManager>();
+        private readonly IUserInterfaceManager _userInterfaceManager = IoCManager.Resolve<IUserInterfaceManager>();
+        private readonly Sprite handSlot;
+        private readonly int spacing = 1;
+
+        private UiHandInfo LeftHand;
+        private UiHandInfo RightHand;
+        private Box2i handL;
+        private Box2i handR;
+
+        public HandsGui()
+        {
+            var _resMgr = IoCManager.Resolve<IResourceCache>();
+            handSlot = _resMgr.GetSprite("hand");
+            // OnCalcRect() calculates position so this needs to be ran
+            // as it doesn't automatically get called by the UI manager.
+            DoLayout();
+        }
+
+        protected override void OnCalcRect()
+        {
+            // Individual size of the hand slot sprite.
+            var slotBounds = handSlot.LocalBounds;
+            var width = (int)((slotBounds.Width * 2) + spacing);
+            var height = (int)slotBounds.Height;
+
+            // Force size because refactoring is HARD.
+            Size = new Vector2i(width, height);
+            ClientArea = Box2i.FromDimensions(0, 0, Width, Height);
+
+            // Hell force position too what could go wrong!
+            Position = new Vector2i((int)(CluwneLib.Window.Viewport.Width - width) / 2, (int)CluwneLib.Window.Viewport.Height - height - 10);
+            handL = Box2i.FromDimensions(Position.X, Position.Y, (int)slotBounds.Width, (int)slotBounds.Height);
+            handR = Box2i.FromDimensions(Position.X + (int)slotBounds.Width + spacing, Position.Y, (int)slotBounds.Width, (int)slotBounds.Height);
+        }
+
+        protected override void DrawContents()
+        {
+            if (_playerManager?.LocalPlayer == null)
+            {
+                return;
+            }
+
+            IEntity entity = _playerManager.LocalPlayer.ControlledEntity;
+            if (entity == null || !entity.TryGetComponent<IHandsComponent>(out var hands))
+            {
+                return;
+            }
+
+            var leftActive = hands.ActiveIndex == "left";
+
+            handSlot.Color = Color.White;
+            handSlot.SetTransformToRect(leftActive ? handL : handR);
+            handSlot.Draw();
+
+            handSlot.Color = _inactiveColor;
+            handSlot.SetTransformToRect(leftActive ? handR : handL);
+            handSlot.Draw();
+
+            if (LeftHand.Entity != null && LeftHand.HeldSprite != null)
+            {
+                var bounds = LeftHand.HeldSprite.LocalBounds;
+                LeftHand.HeldSprite.SetTransformToRect(
+                    Box2i.FromDimensions(handL.Left + (int)(handL.Width / 2f - bounds.Width / 2f),
+                                  handL.Top + (int)(handL.Height / 2f - bounds.Height / 2f),
+                                  (int)bounds.Width, (int)bounds.Height));
+                LeftHand.HeldSprite.Draw();
+            }
+
+            if (RightHand.Entity != null && RightHand.HeldSprite != null)
+            {
+                var bounds = RightHand.HeldSprite.LocalBounds;
+                RightHand.HeldSprite.SetTransformToRect(
+                    Box2i.FromDimensions(handR.Left + (int)(handR.Width / 2f - bounds.Width / 2f),
+                                  handR.Top + (int)(handR.Height / 2f - bounds.Height / 2f),
+                                  (int)bounds.Width, (int)bounds.Height));
+                RightHand.HeldSprite.Draw();
+            }
+        }
+
+        public void UpdateHandIcons()
+        {
+            if (_playerManager?.LocalPlayer.ControlledEntity == null)
+            {
+                return;
+            }
+
+            IEntity entity = _playerManager.LocalPlayer.ControlledEntity;
+            if (!entity.TryGetComponent<IHandsComponent>(out var hands))
+            {
+                return;
+            }
+
+            var left = hands.GetEntity("left");
+            var right = hands.GetEntity("right");
+
+            if (left != null)
+            {
+                if (left != LeftHand.Entity)
+                {
+                    LeftHand.Entity = left;
+                    LeftHand.HeldSprite = GetIconSprite(left);
+                }
+            }
+            else
+            {
+                LeftHand.Entity = null;
+                LeftHand.HeldSprite = null;
+            }
+
+            if (right != null)
+            {
+                if (right != RightHand.Entity)
+                {
+                    RightHand.Entity = right;
+                    RightHand.HeldSprite = GetIconSprite(right);
+                }
+            }
+            else
+            {
+                RightHand.Entity = null;
+                RightHand.HeldSprite = null;
+            }
+        }
+
+        private void SendSwitchHandTo(string index)
+        {
+            IEntity entity = _playerManager.LocalPlayer.ControlledEntity;
+            if (!entity.TryGetComponent<IHandsComponent>(out var hands))
+            {
+                return;
+            }
+            hands.SendChangeHand(index);
+        }
+
+        public override bool MouseDown(MouseButtonEventArgs e)
+        {
+            if (e.Button != Mouse.Button.Right)
+            {
+                return false;
+            }
+            if (handL.Contains(e.X, e.Y))
+            {
+                SendSwitchHandTo("left");
+                return true;
+            }
+            if (handR.Contains(e.X, e.Y))
+            {
+                SendSwitchHandTo("right");
+                return true;
+            }
+            return false;
+        }
+
+        private static Sprite GetIconSprite(IEntity entity)
+        {
+            Sprite icon = null;
+            if (entity.TryGetComponent<IconComponent>(out var component))
+            {
+                icon = component.Icon;
+            }
+            return icon ?? IoCManager.Resolve<IResourceCache>().DefaultSprite();
+        }
+
+        private struct UiHandInfo
+        {
+            public IEntity Entity { get; set; }
+            public Sprite HeldSprite { get; set; }
+        }
+    }
+}

Content.Client/app.config

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<configuration>
+  <runtime>
+    <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
+      <dependentAssembly>
+        <assemblyIdentity name="ICSharpCode.SharpZipLib" publicKeyToken="1b03e6acf1164f73" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-0.86.0.518" newVersion="0.86.0.518" />
+      </dependentAssembly>
+    </assemblyBinding>
+  </runtime>
+</configuration>

Content.Client/packages.config

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="OpenTK" version="3.0.0-pre" targetFramework="net451" />
+  <package id="System.ValueTuple" version="4.3.1" targetFramework="net451" />
+  <package id="YamlDotNet" version="4.3.0" targetFramework="net451" />
+</packages>

Content.Server/AI/AimShootLifeProcessor.cs

@@ -0,0 +1,170 @@
+using System;
+using System.Collections.Generic;
+using SS14.Server.AI;
+using SS14.Server.GameObjects;
+using SS14.Server.Interfaces.GameObjects;
+using SS14.Shared.Interfaces.GameObjects;
+using SS14.Shared.Interfaces.GameObjects.Components;
+using SS14.Shared.Interfaces.Physics;
+using SS14.Shared.Interfaces.Timing;
+using SS14.Shared.IoC;
+using SS14.Shared.Maths;
+
+namespace Content.Server.AI
+{
+    /// <summary>
+    ///     The object stays stationary. The object will periodically scan for *any* life forms in its radius, and engage them.
+    ///     The object will rotate itself to point at the locked entity, and if it has a weapon will shoot at the entity.
+    /// </summary>
+    [AiLogicProcessor("AimShootLife")]
+    class AimShootLifeProcessor : AiLogicProcessor
+    {
+        private readonly ICollisionManager _physMan;
+        private readonly IServerEntityManager _entMan;
+        private readonly IGameTiming _timeMan;
+
+        private readonly List<IEntity> _workList = new List<IEntity>();
+
+        private const float MaxAngSpeed = (float) (Math.PI / 2); // how fast our turret can rotate
+        private const float ScanPeriod = 1.0f; // tweak this for performance and gameplay experience
+        private float _lastScan;
+
+        private IEntity _curTarget;
+
+        /// <summary>
+        ///     Creates an instance of this LogicProcessor.
+        /// </summary>
+        public AimShootLifeProcessor()
+        {
+            _physMan = IoCManager.Resolve<ICollisionManager>();
+            _entMan = IoCManager.Resolve<IServerEntityManager>();
+            _timeMan = IoCManager.Resolve<IGameTiming>();
+        }
+
+        /// <inheritdoc />
+        public override void Update(float frameTime)
+        {
+            if (SelfEntity == null)
+                return;
+
+            DoScanning();
+            DoTracking(frameTime);
+        }
+
+        private void DoScanning()
+        {
+            var curTime = _timeMan.CurTime.TotalSeconds;
+            if (curTime - _lastScan > ScanPeriod)
+            {
+                _lastScan = (float) curTime;
+                _curTarget = FindBestTarget();
+            }
+        }
+
+        private void DoTracking(float frameTime)
+        {
+            // not valid entity to target.
+            if (_curTarget == null || !_curTarget.IsValid())
+            {
+                _curTarget = null;
+                return;
+            }
+
+            // point me at the target
+            var tarPos = _curTarget.GetComponent<ITransformComponent>().WorldPosition;
+            var myPos = SelfEntity.GetComponent<ITransformComponent>().WorldPosition;
+
+            var curDir = SelfEntity.GetComponent<IServerTransformComponent>().LocalRotation.ToVec();
+            var tarDir = (tarPos - myPos).Normalized;
+
+            var fwdAng = Vector2.Dot(curDir, tarDir);
+
+            Vector2 newDir;
+            if (fwdAng < 0) // target behind turret, just rotate in a direction to get target in front
+            {
+                var curRight = new Vector2(-curDir.Y, curDir.X); // right handed coord system
+                var rightAngle = Vector2.Dot(curDir, new Vector2(-tarDir.Y, tarDir.X)); // right handed coord system
+                var rotateSign = -Math.Sign(rightAngle);
+                newDir = curDir + curRight * rotateSign * MaxAngSpeed * frameTime;
+            }
+            else // target in front, adjust to aim at him
+            {
+                newDir = MoveTowards(curDir, tarDir, MaxAngSpeed, frameTime);
+            }
+
+            SelfEntity.GetComponent<IServerTransformComponent>().LocalRotation = new Angle(newDir);
+
+            if (fwdAng > -0.9999)
+            {
+                // TODO: shoot gun, prob need aimbot because entity rotation lags behind moving target
+            }
+        }
+
+        private IEntity FindBestTarget()
+        {
+            // "best" target is the closest one with LOS
+
+            var ents = _entMan.GetEntitiesInRange(SelfEntity, VisionRadius);
+            var myTransform = SelfEntity.GetComponent<IServerTransformComponent>();
+            var maxRayLen = VisionRadius * 2.5f; // circle inscribed in square, square diagonal = 2*r*sqrt(2)
+
+            _workList.Clear();
+            foreach (var entity in ents)
+            {
+                // filter to "people" entities (entities with controllers)
+                if (!entity.HasComponent<IMoverComponent>())
+                    continue;
+
+                // build the ray
+                var dir = entity.GetComponent<TransformComponent>().WorldPosition - myTransform.WorldPosition;
+                var ray = new Ray(myTransform.WorldPosition, dir.Normalized);
+
+                // cast the ray
+                var result = _physMan.IntersectRay(ray, maxRayLen);
+
+                // add to visible list
+                if (result.HitEntity == entity)
+                    _workList.Add(entity);
+            }
+
+            // get closest entity in list
+            var closestEnt = GetClosest(myTransform.WorldPosition, _workList);
+
+            // return closest
+            return closestEnt;
+        }
+
+        private static IEntity GetClosest(Vector2 origin, IEnumerable<IEntity> list)
+        {
+            IEntity closest = null;
+            var minDistSqrd = float.PositiveInfinity;
+
+            foreach (var ent in list)
+            {
+                var pos = ent.GetComponent<ITransformComponent>().WorldPosition;
+                var distSqrd = (pos - origin).LengthSquared;
+
+                if (distSqrd > minDistSqrd)
+                    continue;
+
+                closest = ent;
+                minDistSqrd = distSqrd;
+            }
+
+            return closest;
+        }
+
+        private static Vector2 MoveTowards(Vector2 current, Vector2 target, float speed, float delta)
+        {
+            var maxDeltaDist = speed * delta;
+            var a = target - current;
+            var magnitude = a.Length;
+            if (magnitude <= maxDeltaDist)
+            {
+                return target;
+            }
+
+            return current + a / magnitude * maxDeltaDist;
+        }
+    }
+}

Content.Server/Content.Server.csproj

@@ -11,24 +11,32 @@
     <AssemblyName>Content.Server</AssemblyName>
     <TargetFrameworkVersion>v4.5.1</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
-    <ContentAssemblyTarget>..\bin\Server\Assemblies\</ContentAssemblyTarget>
+    <ContentAssemblyTarget>..\bin\Server\Resources\Assemblies\</ContentAssemblyTarget>
+    <OutputPath>..\bin\Content.Server\</OutputPath>
+    <ErrorReport>prompt</ErrorReport>
+    <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|x86'">
     <DebugSymbols>true</DebugSymbols>
-    <OutputPath>..\bin\Content.Server\</OutputPath>
     <DefineConstants>DEBUG;TRACE</DefineConstants>
     <DebugType>full</DebugType>
     <PlatformTarget>x86</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
-    <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|x86'">
-    <OutputPath>..\bin\Content.Server\</OutputPath>
     <DefineConstants>TRACE</DefineConstants>
     <Optimize>true</Optimize>
     <PlatformTarget>x86</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
-    <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|x64'">
+    <DebugSymbols>true</DebugSymbols>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <DebugType>full</DebugType>
+    <PlatformTarget>x64</PlatformTarget>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|x64'">
+    <DefineConstants>TRACE</DefineConstants>
+    <Optimize>true</Optimize>
+    <PlatformTarget>x64</PlatformTarget>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="System" />
@@ -39,10 +47,53 @@
     <Reference Include="System.Data" />
     <Reference Include="System.Net.Http" />
     <Reference Include="System.Xml" />
+    <Reference Include="OpenTK, Version=3.0.0.0, Culture=neutral, PublicKeyToken=bad199fe84eb3df4, processorArchitecture=MSIL">
+      <HintPath>$(SolutionDir)packages\OpenTK.3.0.0-pre\lib\net20\OpenTK.dll</HintPath>
+    </Reference>
+    <Reference Include="YamlDotNet, Version=4.3.0.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>$(SolutionDir)packages\YamlDotNet.4.3.0\lib\net45\YamlDotNet.dll</HintPath>
+    </Reference>
   </ItemGroup>
   <ItemGroup>
+    <Compile Include="AI\AimShootLifeProcessor.cs" />
     <Compile Include="EntryPoint.cs" />
+    <Compile Include="GameObjects\Components\Doors\ServerDoorComponent.cs" />
+    <Compile Include="GameObjects\Components\Interactable\Tools\BaseTool.cs" />
+    <Compile Include="GameObjects\Components\Interactable\Tools\CrowbarComponent.cs" />
+    <Compile Include="GameObjects\Components\Interactable\Tools\MultitoolComponent.cs" />
+    <Compile Include="GameObjects\Components\Interactable\Tools\ScrewdriverComponent.cs" />
+    <Compile Include="GameObjects\Components\Interactable\Tools\WelderComponent.cs" />
+    <Compile Include="GameObjects\Components\Interactable\Tools\WirecutterComponent.cs" />
+    <Compile Include="GameObjects\Components\Interactable\Tools\WrenchComponent.cs" />
+    <Compile Include="GameObjects\Components\Power\PowerStorageComponent.cs" />
+    <Compile Include="GameObjects\Components\Power\PowerGeneratorComponent.cs" />
+    <Compile Include="GameObjects\Components\Power\PowerDevice.cs" />
+    <Compile Include="GameObjects\Components\Power\Powernet.cs" />
+    <Compile Include="GameObjects\Components\Power\PowerNodeComponent.cs" />
+    <Compile Include="GameObjects\Components\Power\PowerProviderComponent.cs" />
+    <Compile Include="GameObjects\Components\Power\PowerTransferComponent.cs" />
+    <Compile Include="GameObjects\Components\Projectiles\ProjectileComponent.cs" />
+    <Compile Include="GameObjects\Components\Weapon\Melee\MeleeWeaponComponent.cs" />
+    <Compile Include="GameObjects\Components\Weapon\Ranged\Hitscan\HitscanWeaponComponent.cs" />
+    <Compile Include="GameObjects\Components\Weapon\Ranged\Projectile\ProjectileWeapon.cs" />
+    <Compile Include="GameObjects\Components\Weapon\Ranged\RangedWeapon.cs" />
+    <Compile Include="GameObjects\EntitySystems\InteractionSystem.cs" />
+    <Compile Include="GameObjects\EntitySystems\PowerSystem.cs" />
+    <Compile Include="Interfaces\GameObjects\Components\Items\IHandsComponent.cs" />
+    <Compile Include="Interfaces\GameObjects\Components\Items\IInventoryComponent.cs" />
+    <Compile Include="Interfaces\GameObjects\Components\Items\IItemComponent.cs" />
+    <Compile Include="GameObjects\Components\Items\ServerHandsComponent.cs" />
+    <Compile Include="GameObjects\Components\Items\InventoryComponent.cs" />
+    <Compile Include="GameObjects\Components\Items\ItemComponent.cs" />
+    <Compile Include="GameObjects\Components\Damage\DamageableComponent.cs" />
+    <Compile Include="GameObjects\Components\Damage\DestructibleComponent.cs" />
+    <Compile Include="GameObjects\Components\Damage\ResistanceSet.cs" />
+    <Compile Include="GameObjects\Components\Temperature\TemperatureComponent.cs" />
+    <Compile Include="Interfaces\GameObjects\IOnDamageBehavior.cs" />
+    <Compile Include="Placement\SpawnHelpers.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="Interfaces\GameObjects\Components\Temperature\ITemperatureComponent.cs" />
+    <Compile Include="Interfaces\GameObjects\Components\Damage\IDamageableComponent.cs" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\Content.Shared\Content.Shared.csproj">
@@ -71,4 +122,9 @@
     <ContentAssemblies Include="$(OutputPath)Content.Server.pdb" Condition="'$(Configuration)' == 'Debug'" />
     <ContentAssemblies Include="$(OutputPath)Content.Shared.pdb" Condition="'$(Configuration)' == 'Debug'" />
   </ItemGroup>
+  <ItemGroup>
+    <None Include="app.config" />
+    <None Include="packages.config" />
+  </ItemGroup>
+  <ItemGroup />
 </Project>

Content.Server/EntryPoint.cs

@@ -1,12 +1,182 @@
-using SS14.Shared.ContentPack;
+using Content.Server.GameObjects;
+using Content.Server.GameObjects.Components.Power;
+using Content.Server.GameObjects.Components.Interactable.Tools;
+using Content.Server.Interfaces.GameObjects;
+using Content.Server.Placement;
+using SS14.Server;
+using SS14.Server.Interfaces;
+using SS14.Server.Interfaces.Chat;
+using SS14.Server.Interfaces.Maps;
+using SS14.Server.Interfaces.Player;
+using SS14.Server.Player;
+using SS14.Shared.Console;
+using SS14.Shared.ContentPack;
+using SS14.Shared.Enums;
+using SS14.Shared.Interfaces.GameObjects;
+using SS14.Shared.Interfaces.Map;
+using SS14.Shared.Interfaces.Timers;
+using SS14.Shared.IoC;
+using SS14.Shared.Log;
+using SS14.Shared.Map;
+using SS14.Shared.Timers;
+using SS14.Shared.Interfaces.Timing;
+using SS14.Shared.Maths;
+using Content.Server.GameObjects.Components.Weapon.Ranged.Hitscan;
+using Content.Server.GameObjects.Components.Weapon.Ranged.Projectile;
+using Content.Server.GameObjects.Components.Projectiles;
+using Content.Server.GameObjects.Components.Weapon.Melee;
 
 namespace Content.Server
 {
     public class EntryPoint : GameServer
     {
+        private IBaseServer _server;
+        private IPlayerManager _players;
+
+        private bool _countdownStarted;
+
+        /// <inheritdoc />
         public override void Init()
         {
-            // TODO: Anything at all.
+            base.Init();
+
+            _server = IoCManager.Resolve<IBaseServer>();
+            _players = IoCManager.Resolve<IPlayerManager>();
+
+            _server.RunLevelChanged += HandleRunLevelChanged;
+            _players.PlayerStatusChanged += HandlePlayerStatusChanged;
+            _players.PlayerPrototypeName = "HumanMob_Content";
+
+            var factory = IoCManager.Resolve<IComponentFactory>();
+
+            factory.Register<HandsComponent>();
+            factory.RegisterReference<HandsComponent, IHandsComponent>();
+
+            factory.Register<InventoryComponent>();
+            factory.RegisterReference<InventoryComponent, IInventoryComponent>();
+
+            factory.Register<ItemComponent>();
+            factory.RegisterReference<ItemComponent, IItemComponent>();
+            
+            factory.Register<DamageableComponent>();
+            factory.Register<DestructibleComponent>();
+            factory.Register<TemperatureComponent>();
+            factory.Register<ServerDoorComponent>();
+
+            //Power Components
+            factory.Register<PowerTransferComponent>();
+            factory.Register<PowerProviderComponent>();
+            factory.Register<PowerNodeComponent>();
+            factory.Register<PowerStorageComponent>();
+            factory.Register<PowerDeviceComponent>();
+            factory.Register<PowerGeneratorComponent>();
+
+            //Tools
+            factory.Register<MultitoolComponent>();
+            factory.Register<WirecutterComponent>();
+            factory.Register<WrenchComponent>();
+            factory.Register<WelderComponent>();
+            factory.Register<ScrewdriverComponent>();
+            factory.Register<CrowbarComponent>();
+
+            factory.Register<HitscanWeaponComponent>();
+            factory.Register<ProjectileWeaponComponent>();
+            factory.Register<ProjectileComponent>();
+            factory.Register<MeleeWeaponComponent>();
+        }
+
+        /// <inheritdoc />
+        public override void Dispose()
+        {
+            _server.RunLevelChanged -= HandleRunLevelChanged;
+            _players.PlayerStatusChanged -= HandlePlayerStatusChanged;
+
+            base.Dispose();
+        }
+
+        private static void HandleRunLevelChanged(object sender, RunLevelChangedEventArgs args)
+        {
+            switch (args.NewLevel)
+            {
+                case ServerRunLevel.PreGame:
+                    var timing = IoCManager.Resolve<IGameTiming>();
+
+                    IoCManager.Resolve<IPlayerManager>().FallbackSpawnPoint = new LocalCoordinates(0, 0, GridId.DefaultGrid, new MapId(2));
+
+                    var mapLoader = IoCManager.Resolve<IMapLoader>();
+                    var mapMan = IoCManager.Resolve<IMapManager>();
+                    
+                    var startTime = timing.RealTime;
+                    {
+                        var newMap = mapMan.CreateMap(new MapId(2));
+
+                        mapLoader.LoadBlueprint(newMap, new GridId(4), "Maps/Demo/DemoGrid.yaml");
+
+                        var grid = newMap.GetGrid(new GridId(4));
+                        SpawnHelpers.SpawnLightTurret(grid, new Vector2(-15, 15));
+                    }
+                    var timeSpan = timing.RealTime - startTime;
+                    Logger.Info($"Loaded map in {timeSpan.TotalMilliseconds:N2}ms.");
+
+                    IoCManager.Resolve<IChatManager>().DispatchMessage(ChatChannel.Server, "Gamemode: Round loaded!");
+                    break;
+                case ServerRunLevel.Game:
+                    IoCManager.Resolve<IPlayerManager>().SendJoinGameToAll();
+                    IoCManager.Resolve<IChatManager>().DispatchMessage(ChatChannel.Server, "Gamemode: Round started!");
+                    break;
+                case ServerRunLevel.PostGame:
+                    IoCManager.Resolve<IChatManager>().DispatchMessage(ChatChannel.Server, "Gamemode: Round over!");
+                    break;
+            }
+        }
+
+        private void HandlePlayerStatusChanged(object sender, SessionStatusEventArgs args)
+        {
+            switch (args.NewStatus)
+            {
+                case SessionStatus.Connected:
+                    {
+                        // timer time must be > tick length
+                        IoCManager.Resolve<ITimerManager>().AddTimer(new Timer(250, false, () =>
+                        {
+                            args.Session.JoinLobby();
+                        }));
+                        IoCManager.Resolve<IChatManager>().DispatchMessage(ChatChannel.Server, "Gamemode: Player joined server!", args.Session.Index);
+                    }
+                    break;
+
+                case SessionStatus.InLobby:
+                    {
+                        // auto start game when first player joins
+                        if (_server.RunLevel == ServerRunLevel.PreGame && !_countdownStarted)
+                        {
+                            _countdownStarted = true;
+                            IoCManager.Resolve<ITimerManager>().AddTimer(new Timer(2000, false, () =>
+                            {
+                                _server.RunLevel = ServerRunLevel.Game;
+                                _countdownStarted = false;
+                            }));
+                        }
+
+                        IoCManager.Resolve<IChatManager>().DispatchMessage(ChatChannel.Server, "Gamemode: Player joined Lobby!", args.Session.Index);
+                    }
+                    break;
+
+                case SessionStatus.InGame:
+                    {
+                        //TODO: Check for existing mob and re-attach
+                        IoCManager.Resolve<IPlayerManager>().SpawnPlayerMob(args.Session);
+
+                        IoCManager.Resolve<IChatManager>().DispatchMessage(ChatChannel.Server, "Gamemode: Player joined Game!", args.Session.Index);
+                    }
+                    break;
+
+                case SessionStatus.Disconnected:
+                    {
+                        IoCManager.Resolve<IChatManager>().DispatchMessage(ChatChannel.Server, "Gamemode: Player left!", args.Session.Index);
+                    }
+                    break;
+            }
         }
     }
 }

Content.Server/GameObjects/Components/Damage/DamageableComponent.cs

@@ -0,0 +1,197 @@
+using Content.Server.Interfaces.GameObjects;
+using System;
+using System.Collections.Generic;
+using OpenTK;
+using SS14.Shared.GameObjects;
+using SS14.Shared.Utility;
+using YamlDotNet.RepresentationModel;
+using Content.Server.Interfaces;
+using Content.Shared.GameObjects;
+
+namespace Content.Server.GameObjects
+{
+    //TODO: add support for component add/remove
+
+    /// <summary>
+    /// A component that handles receiving damage and healing,
+    /// as well as informing other components of it.
+    /// </summary>
+    public class DamageableComponent : Component, IDamageableComponent
+    {
+        /// <inheritdoc />
+        public override string Name => "Damageable";
+
+        /// <inheritdoc />
+        public override uint? NetID => ContentNetIDs.DAMAGEABLE;
+
+        /// <summary>
+        /// The resistance set of this object.
+        /// Affects receiving damage of various types.
+        /// </summary>
+        public ResistanceSet Resistances { get; private set; }
+
+        Dictionary<DamageType, int> CurrentDamage = new Dictionary<DamageType, int>();
+        Dictionary<DamageType, List<int>> Thresholds = new Dictionary<DamageType, List<int>>();
+
+        public event EventHandler<DamageThresholdPassedEventArgs> DamageThresholdPassed;
+
+        /// <inheritdoc />
+        public override void LoadParameters(YamlMappingNode mapping)
+        {
+            if (mapping.TryGetNode("resistanceset", out YamlNode node))
+            {
+                Resistances = ResistanceSet.GetResistanceSet(node.AsString());
+            }
+        }
+
+        /// <inheritdoc />
+        public override void Initialize()
+        {
+            base.Initialize();
+            InitializeDamageType(DamageType.Total);
+            if (Owner is IOnDamageBehavior damageBehavior)
+            {
+                AddThresholdsFrom(damageBehavior);
+            }
+
+            RecalculateComponentThresholds();
+        }
+
+        /// <inheritdoc />
+        public void TakeDamage(DamageType damageType, int amount)
+        {
+            if (damageType == DamageType.Total)
+            {
+                throw new ArgumentException("Cannot take damage for DamageType.Total");
+            }
+            InitializeDamageType(damageType);
+
+            int oldValue = CurrentDamage[damageType];
+            int oldTotalValue = -1;
+
+            if (amount == 0)
+            {
+                return;
+            }
+
+            amount = Resistances.CalculateDamage(damageType, amount);
+            CurrentDamage[damageType] = Math.Max(0, CurrentDamage[damageType] + amount);
+            UpdateForDamageType(damageType, oldValue);
+
+            if (Resistances.AppliesToTotal(damageType))
+            {
+                oldTotalValue = CurrentDamage[DamageType.Total];
+                CurrentDamage[DamageType.Total] = Math.Max(0, CurrentDamage[DamageType.Total] + amount);
+                UpdateForDamageType(DamageType.Total, oldTotalValue);
+            }
+        }
+
+        /// <inheritdoc />
+        public void TakeHealing(DamageType damageType, int amount)
+        {
+            if (damageType == DamageType.Total)
+            {
+                throw new ArgumentException("Cannot heal for DamageType.Total");
+            }
+            TakeDamage(damageType, -amount);
+        }
+
+        void UpdateForDamageType(DamageType damageType, int oldValue)
+        {
+            int change = CurrentDamage[damageType] - oldValue;
+
+            if (change == 0)
+            {
+                return;
+            }
+
+            int changeSign = Math.Sign(change);
+
+            foreach (int value in Thresholds[damageType])
+            {
+                if (((value * changeSign) > (oldValue * changeSign)) && ((value * changeSign) <= (CurrentDamage[damageType] * changeSign)))
+                {
+                    var args = new DamageThresholdPassedEventArgs(new DamageThreshold(damageType, value), (changeSign > 0));
+                    DamageThresholdPassed?.Invoke(this, args);
+                }
+            }
+        }
+
+        void RecalculateComponentThresholds()
+        {
+            foreach (IOnDamageBehavior onDamageBehaviorComponent in Owner.GetComponents<IOnDamageBehavior>())
+            {
+                AddThresholdsFrom(onDamageBehaviorComponent);
+            }
+        }
+
+        void AddThresholdsFrom(IOnDamageBehavior onDamageBehavior)
+        {
+            if (onDamageBehavior == null)
+            {
+                throw new ArgumentNullException(nameof(onDamageBehavior));
+            }
+
+            List<DamageThreshold> thresholds = onDamageBehavior.GetAllDamageThresholds();
+
+            foreach (DamageThreshold threshold in thresholds)
+            {
+                if (!Thresholds[threshold.DamageType].Contains(threshold.Value))
+                {
+                    Thresholds[threshold.DamageType].Add(threshold.Value);
+                }
+            }
+        }
+
+        void InitializeDamageType(DamageType damageType)
+        {
+            if (!CurrentDamage.ContainsKey(damageType))
+            {
+                CurrentDamage.Add(damageType, 0);
+                Thresholds.Add(damageType, new List<int>());
+            }
+        }
+    }
+
+    public struct DamageThreshold
+    {
+        public DamageType DamageType { get; }
+        public int Value { get; }
+
+        public DamageThreshold(DamageType damageType, int value)
+        {
+            DamageType = damageType;
+            Value = value;
+        }
+
+        public override bool Equals(Object obj)
+        {
+            return obj is DamageThreshold && this == (DamageThreshold)obj;
+        }
+        public override int GetHashCode()
+        {
+            return DamageType.GetHashCode() ^ Value.GetHashCode();
+        }
+        public static bool operator ==(DamageThreshold x, DamageThreshold y)
+        {
+            return x.DamageType == y.DamageType && x.Value == y.Value;
+        }
+        public static bool operator !=(DamageThreshold x, DamageThreshold y)
+        {
+            return !(x == y);
+        }
+    }
+
+    public class DamageThresholdPassedEventArgs : EventArgs
+    {
+        public DamageThreshold DamageThreshold { get; }
+        public bool Passed { get; }
+
+        public DamageThresholdPassedEventArgs(DamageThreshold threshold, bool passed)
+        {
+            DamageThreshold = threshold;
+            Passed = passed;
+        }
+    }
+}
+

Content.Server/GameObjects/Components/Damage/DestructibleComponent.cs

@@ -0,0 +1,78 @@
+using System;
+using System.Collections.Generic;
+using SS14.Shared.GameObjects;
+using SS14.Shared.Log;
+using SS14.Shared.Utility;
+using YamlDotNet.RepresentationModel;
+using Content.Server.Interfaces;
+using Content.Shared.GameObjects;
+
+
+namespace Content.Server.GameObjects
+{
+    /// <summary>
+    /// Deletes the entity once a certain damage threshold has been reached.
+    /// </summary>
+    public class DestructibleComponent : Component, IOnDamageBehavior
+    {
+        /// <inheritdoc />
+        public override string Name => "Destructible";
+
+        /// <inheritdoc />
+        public override uint? NetID => ContentNetIDs.DESTRUCTIBLE;
+
+        /// <summary>
+        /// Damage threshold calculated from the values
+        /// given in the prototype declaration.
+        /// </summary>
+        public DamageThreshold Threshold { get; private set; }
+
+        /// <inheritdoc />
+        public override void LoadParameters(YamlMappingNode mapping)
+        {
+            //TODO currently only supports one threshold pair; gotta figure out YAML better
+
+            YamlNode node;
+
+            DamageType damageType = DamageType.Total;
+            int damageValue = 0;
+
+            if (mapping.TryGetNode("thresholdtype", out node))
+            {
+                damageType = node.AsEnum<DamageType>();
+            }
+            if (mapping.TryGetNode("thresholdvalue", out node))
+            {
+                damageValue = node.AsInt();
+            }
+
+            Threshold = new DamageThreshold(damageType, damageValue);
+        }
+
+        /// <inheritdoc />
+        public override void Initialize()
+        {
+            base.Initialize();
+
+            if (Owner.TryGetComponent<DamageableComponent>(out DamageableComponent damageable))
+            {
+                damageable.DamageThresholdPassed += OnDamageThresholdPassed;
+            }
+        }
+
+        /// <inheritdoc />
+        public List<DamageThreshold> GetAllDamageThresholds()
+        {
+            return new List<DamageThreshold>() { Threshold };
+        }
+
+        /// <inheritdoc />
+        public void OnDamageThresholdPassed(object obj, DamageThresholdPassedEventArgs e)
+        {
+            if (e.Passed && e.DamageThreshold == Threshold)
+            {
+                Owner.EntityManager.DeleteEntity(Owner);
+            }
+        }
+    }
+}

Content.Server/GameObjects/Components/Damage/ResistanceSet.cs

@@ -0,0 +1,115 @@
+using System;
+using System.Collections.Generic;
+
+namespace Content.Server.GameObjects
+{
+    /// <summary>
+    /// Damage types used in-game.
+    /// Total should never be used directly - it's a derived value.
+    /// </summary>
+    public enum DamageType
+    {
+        Total,
+        Brute,
+        Heat,
+        Cold,
+        Acid,
+        Toxic,
+        Electric
+    }
+
+    /// <summary>
+    /// Resistance set used by damageable objects.
+    /// For each damage type, has a coefficient, damage reduction and "included in total" value.
+    /// </summary>
+    public class ResistanceSet
+    {
+        Dictionary<DamageType, ResistanceSetSettings> _resistances = new Dictionary<DamageType, ResistanceSetSettings>();
+        static Dictionary<string, ResistanceSet> _resistanceSets = new Dictionary<string, ResistanceSet>();
+
+        //TODO: make it load from YAML instead of hardcoded like this
+        public ResistanceSet()
+        {
+            _resistances.Add(DamageType.Total, new ResistanceSetSettings(1f, 0, true));
+            _resistances.Add(DamageType.Acid, new ResistanceSetSettings(1f, 0, true));
+            _resistances.Add(DamageType.Brute, new ResistanceSetSettings(1f, 0, true));
+            _resistances.Add(DamageType.Heat, new ResistanceSetSettings(1f, 0, true));
+            _resistances.Add(DamageType.Cold, new ResistanceSetSettings(1f, 0, true));
+            _resistances.Add(DamageType.Toxic, new ResistanceSetSettings(1f, 0, true));
+            _resistances.Add(DamageType.Electric, new ResistanceSetSettings(1f, 0, true));
+        }
+
+        /// <summary>
+        /// Loads a resistance set with the given name.
+        /// </summary>
+        /// <param name="setName">Name of the resistance set.</param>
+        /// <returns>Resistance set by given name</returns>
+        public static ResistanceSet GetResistanceSet(string setName)
+        {
+            ResistanceSet resistanceSet = null;
+
+            if (!_resistanceSets.TryGetValue(setName, out resistanceSet))
+            {
+                resistanceSet = Load(setName);
+            }
+
+            return resistanceSet;
+        }
+
+        static ResistanceSet Load(string setName)
+        {
+            //TODO: only creates a standard set RN, should be YAMLed
+
+            ResistanceSet resistanceSet = new ResistanceSet();
+
+            _resistanceSets.Add(setName, resistanceSet);
+
+            return resistanceSet;
+        }
+
+        /// <summary>
+        /// Adjusts input damage with the resistance set values.
+        /// </summary>
+        /// <param name="damageType">Type of the damage.</param>
+        /// <param name="amount">Incoming amount of the damage.</param>
+        /// <returns>Damage adjusted by the resistance set.</returns>
+        public int CalculateDamage(DamageType damageType, int amount)
+        {
+            if (amount > 0) //if it's damage, reduction applies
+            {
+                amount -= _resistances[damageType].DamageReduction;
+
+                if (amount <= 0)
+                    return 0;
+            }
+
+            amount = (int)Math.Floor(amount * _resistances[damageType].Coefficient);
+
+            return amount;
+        }
+
+        public bool AppliesToTotal(DamageType damageType)
+        {
+            //Damage that goes straight to total (for whatever reason) never applies twice
+
+            return damageType == DamageType.Total ? false : _resistances[damageType].AppliesToTotal;
+        }
+
+        /// <summary>
+        /// Settings for a specific damage type in a resistance set.
+        /// </summary>
+        struct ResistanceSetSettings
+        {
+            public float Coefficient { get; private set; }
+            public int DamageReduction { get; private set; }
+            public bool AppliesToTotal { get; private set; }
+
+            public ResistanceSetSettings(float coefficient, int damageReduction, bool appliesInTotal)
+            {
+                Coefficient = coefficient;
+                DamageReduction = damageReduction;
+                AppliesToTotal = appliesInTotal;
+            }
+        }
+    }
+}

Content.Server/GameObjects/Components/Doors/ServerDoorComponent.cs

@@ -0,0 +1,104 @@
+using System;
+using Content.Server.Interfaces.GameObjects;
+using Content.Shared.GameObjects;
+using SS14.Server.GameObjects;
+using SS14.Shared.GameObjects;
+using SS14.Shared.Interfaces.GameObjects;
+using SS14.Shared.Interfaces.GameObjects.Components;
+using SS14.Shared.Log;
+using SS14.Shared.Maths;
+using SS14.Shared.IoC;
+using Content.Server.GameObjects.EntitySystems;
+
+namespace Content.Server.GameObjects
+{
+    public class ServerDoorComponent : SharedDoorComponent, IAttackHand
+    {
+        public bool Opened { get; private set; }
+
+        private float OpenTimeCounter;
+        
+        private CollidableComponent collidableComponent;
+
+        public override void Initialize()
+        {
+            base.Initialize();
+
+            collidableComponent = Owner.GetComponent<CollidableComponent>();
+            collidableComponent.OnBump += OnBump;
+        }
+
+        public override void OnRemove()
+        {
+            collidableComponent.OnBump -= OnBump;
+            collidableComponent = null;
+        }
+
+        public bool Attackhand(IEntity user)
+        {
+            if (Opened)
+            {
+                Close();
+            }
+            else
+            {
+                Open();
+            }
+            return true;
+        }
+
+        private void OnBump(object sender, BumpEventArgs args)
+        {
+            Logger.Info("Bump!");
+            if (Opened)
+            {
+                return;
+            }
+
+            Open();
+        }
+
+        public void Open()
+        {
+            Opened = true;
+            collidableComponent.IsHardCollidable = false;
+        }
+
+        public bool Close()
+        {
+            if (collidableComponent.TryCollision(Vector2.Zero))
+            {
+                // Do nothing, somebody's in the door.
+                return false;
+            }
+            Opened = false;
+            OpenTimeCounter = 0;
+            collidableComponent.IsHardCollidable = true;
+            return true;
+        }
+
+        public override ComponentState GetComponentState()
+        {
+            return new DoorComponentState(Opened);
+        }
+
+        private const float AUTO_CLOSE_DELAY = 5;
+        public override void Update(float frameTime)
+        {
+            if (!Opened)
+            {
+                return;
+            }
+
+            OpenTimeCounter += frameTime;
+            if (OpenTimeCounter > AUTO_CLOSE_DELAY)
+            {
+                if (!Close())
+                {
+                    // Try again in 2 seconds if it's jammed or something.
+                    OpenTimeCounter -= 2;
+                }
+            }
+        }
+    }
+}

Content.Server/GameObjects/Components/Interactable/Tools/BaseTool.cs

@@ -0,0 +1,31 @@
+using SS14.Shared.GameObjects;
+using SS14.Shared.Utility;
+using YamlDotNet.RepresentationModel;
+
+namespace Content.Server.GameObjects.Components.Interactable.Tools
+{
+    public abstract class ToolComponent : Component
+    {
+        /// <summary>
+        /// For tool interactions that have a delay before action this will modify the rate, time to wait is divided by this value
+        /// </summary>
+        public float SpeedModifier { get; set; } = 1;
+
+        public override void LoadParameters(YamlMappingNode mapping)
+        {
+            if (mapping.TryGetNode("Speed", out YamlNode node))
+            {
+                SpeedModifier = node.AsFloat();
+            }
+        }
+        
+        /// <summary>
+        /// Status modifier which determines whether or not we can act as a tool at this time
+        /// </summary>
+        /// <returns></returns>
+        public virtual bool CanUse()
+        {
+            return true;
+        }
+    }
+}

Content.Server/GameObjects/Components/Interactable/Tools/CrowbarComponent.cs

@@ -0,0 +1,10 @@
+namespace Content.Server.GameObjects.Components.Interactable.Tools
+{
+    public class CrowbarComponent : ToolComponent
+    {
+        /// <summary>
+        /// Tool that can be used to crowbar things apart, such as deconstructing
+        /// </summary>
+        public override string Name => "Crowbar";
+    }
+}

Content.Server/GameObjects/Components/Interactable/Tools/MultitoolComponent.cs

@@ -0,0 +1,10 @@
+namespace Content.Server.GameObjects.Components.Interactable.Tools
+{
+    /// <summary>
+    /// Tool used for interfacing/hacking into configurable computers
+    /// </summary>
+    public class MultitoolComponent : ToolComponent
+    {
+        public override string Name => "Multitool";
+    }
+}

Content.Server/GameObjects/Components/Interactable/Tools/ScrewdriverComponent.cs

@@ -0,0 +1,10 @@
+namespace Content.Server.GameObjects.Components.Interactable.Tools
+{
+    public class ScrewdriverComponent : ToolComponent
+    {
+        /// <summary>
+        /// Tool that interacts with technical components that need to be screwed in
+        /// </summary>
+        public override string Name => "Screwdriver";
+    }
+}

Content.Server/GameObjects/Components/Interactable/Tools/WelderComponent.cs

@@ -0,0 +1,129 @@
+using System;
+using SS14.Shared.Interfaces.GameObjects;
+using SS14.Shared.Utility;
+using YamlDotNet.RepresentationModel;
+using SS14.Server.GameObjects;
+
+namespace Content.Server.GameObjects.Components.Interactable.Tools
+{
+    /// <summary>
+    /// Tool used to weld metal together, light things on fire, or melt into constituent parts
+    /// </summary>
+    class WelderComponent : ToolComponent, EntitySystems.IUse
+    {
+        public override string Name => "Welder";
+
+        /// <summary>
+        /// Maximum fuel capacity the welder can hold
+        /// </summary>
+        public float FuelCapacity { get; set; } = 50;
+
+        /// <summary>
+        /// Fuel the welder has to do tasks
+        /// </summary>
+        public float Fuel { get; set; } = 0;
+
+        /// <summary>
+        /// Default Cost of using the welder fuel for an action
+        /// </summary>
+        public const float DefaultFuelCost = 5;
+
+        /// <summary>
+        /// Rate at which we expunge fuel from ourselves when activated
+        /// </summary>
+        public const float FuelLossRate = 0.2f;
+
+        /// <summary>
+        /// Status of welder, whether it is ignited
+        /// </summary>
+        public bool Activated { get; private set; } = false;
+
+        //private string OnSprite { get; set; }
+        //private string OffSprite { get; set; }
+
+        public override void LoadParameters(YamlMappingNode mapping)
+        {
+            base.LoadParameters(mapping);
+
+            if (mapping.TryGetNode("Capacity", out YamlNode node))
+            {
+                FuelCapacity = node.AsFloat();
+            }
+
+            //if (mapping.TryGetNode("On", out node))
+            //{
+            //    OnSprite = node.AsString();
+            //}
+
+            //if (mapping.TryGetNode("Off", out node))
+            //{
+            //    OffSprite = node.AsString();
+            //}
+
+            if (mapping.TryGetNode("Fuel", out node))
+            {
+                Fuel = node.AsFloat();
+            }
+            else
+            {
+                Fuel = FuelCapacity;
+            }
+        }
+
+        public override void Update(float frameTime)
+        {
+            Fuel = Math.Min(Fuel - FuelLossRate, 0);
+
+            if(Activated && Fuel == 0)
+            {
+                ToggleStatus();
+            }
+        }
+
+        public bool CanUse(float value)
+        {
+            return Fuel > value;
+        }
+
+        public override bool CanUse()
+        {
+            return CanUse(DefaultFuelCost);
+        }
+
+        public bool CanActivate()
+        {
+            return Fuel > 0;
+        }
+
+        public bool UseEntity(IEntity user)
+        {
+            return ToggleStatus();
+        }
+
+        /// <summary>
+        /// Deactivates welding tool if active, activates welding tool if possible
+        /// </summary>
+        /// <returns></returns>
+        public bool ToggleStatus()
+        {
+            if(Activated)
+            {
+                Activated = false;
+
+                //TODO : Change sprite on deactivation
+                return true;
+            }
+            else if(CanActivate())
+            {
+                Activated = true;
+
+                //TODO : Change sprite on activation
+                return true;
+            }
+            else
+            {
+                return false;
+            }
+        }
+    }
+}

Content.Server/GameObjects/Components/Interactable/Tools/WirecutterComponent.cs

@@ -0,0 +1,10 @@
+namespace Content.Server.GameObjects.Components.Interactable.Tools
+{
+    /// <summary>
+    /// Tool that can be used for some cutting interactions such as wires or hacking
+    /// </summary>
+    public class WirecutterComponent : ToolComponent
+    {
+        public override string Name => "Wirecutter";
+    }
+}

Content.Server/GameObjects/Components/Interactable/Tools/WrenchComponent.cs

@@ -0,0 +1,10 @@
+namespace Content.Server.GameObjects.Components.Interactable.Tools
+{
+    /// <summary>
+    /// Wrenches bolts, and interacts with things that have been bolted
+    /// </summary>
+    public class WrenchComponent : ToolComponent
+    {
+        public override string Name => "Wrench";
+    }
+}

Content.Server/GameObjects/Components/Items/InventoryComponent.cs

@@ -0,0 +1,167 @@
+using Content.Server.Interfaces.GameObjects;
+using SS14.Server.GameObjects;
+using SS14.Server.GameObjects.Components.Container;
+using SS14.Server.Interfaces.GameObjects;
+using SS14.Shared.Utility;
+using SS14.Shared.GameObjects;
+using SS14.Shared.Interfaces.GameObjects;
+using System;
+using System.Collections.Generic;
+using YamlDotNet.RepresentationModel;
+
+namespace Content.Server.GameObjects
+{
+    public class InventoryComponent : Component, IInventoryComponent
+    {
+        public override string Name => "Inventory";
+
+        private Dictionary<string, InventorySlot> slots = new Dictionary<string, InventorySlot>();
+        private TransformComponent transform;
+        // TODO: Make this container unique per-slot.
+        private IContainer container;
+
+        public override void Initialize()
+        {
+            transform = Owner.GetComponent<TransformComponent>();
+            container = Container.Create("inventory", Owner);
+            base.Initialize();
+        }
+
+        public override void OnRemove()
+        {
+            foreach (var slot in slots.Keys)
+            {
+                RemoveSlot(slot);
+            }
+            transform = null;
+            container = null;
+            base.OnRemove();
+        }
+
+        public override void LoadParameters(YamlMappingNode mapping)
+        {
+            if (mapping.TryGetNode<YamlSequenceNode>("slots", out var slotsNode))
+            {
+                foreach (var node in slotsNode)
+                {
+                    AddSlot(node.AsString());
+                }
+            }
+            base.LoadParameters(mapping);
+        }
+
+        public IItemComponent Get(string slot)
+        {
+            return _GetSlot(slot).Item;
+        }
+
+        public IInventorySlot GetSlot(string slot)
+        {
+            return slots[slot];
+        }
+
+        // Private version that returns our concrete implementation.
+        private InventorySlot _GetSlot(string slot)
+        {
+            return slots[slot];
+        }
+
+        public bool Insert(string slot, IItemComponent item)
+        {
+            if (item == null)
+            {
+                throw new ArgumentNullException(nameof(item), "An item must be passed. To remove an item from a slot, use Drop()");
+            }
+
+            var inventorySlot = _GetSlot(slot);
+            if (!CanInsert(slot, item) || !container.Insert(item.Owner))
+            {
+                return false;
+            }
+
+            inventorySlot.Item = item;
+            item.EquippedToSlot(inventorySlot);
+            return true;
+        }
+
+        public bool CanInsert(string slot, IItemComponent item)
+        {
+            var inventorySlot = _GetSlot(slot);
+            return inventorySlot.Item == null && container.CanInsert(item.Owner);
+        }
+
+        public bool Drop(string slot)
+        {
+            if (!CanDrop(slot))
+            {
+                return false;
+            }
+
+            var inventorySlot = _GetSlot(slot);
+            var item = inventorySlot.Item;
+            if (!container.Remove(item.Owner))
+            {
+                return false;
+            }
+
+            item.RemovedFromSlot();
+            inventorySlot.Item = null;
+
+            // TODO: The item should be dropped to the container our owner is in, if any.
+            var itemTransform = item.Owner.GetComponent<TransformComponent>();
+            itemTransform.LocalPosition = transform.LocalPosition;
+            return true;
+        }
+
+        public bool CanDrop(string slot)
+        {
+            var inventorySlot = _GetSlot(slot);
+            var item = inventorySlot.Item;
+            return item != null && container.CanRemove(item.Owner);
+        }
+
+        public IInventorySlot AddSlot(string slot)
+        {
+            if (HasSlot(slot))
+            {
+                throw new InvalidOperationException($"Slot '{slot}' already exists.");
+            }
+
+            return slots[slot] = new InventorySlot(slot, this);
+        }
+
+        public void RemoveSlot(string slot)
+        {
+            if (!HasSlot(slot))
+            {
+                throw new InvalidOperationException($"Slow '{slot}' does not exist.");
+            }
+
+            if (Get(slot) != null && !Drop(slot))
+            {
+                // TODO: Handle this potential failiure better.
+                throw new InvalidOperationException("Unable to remove slot as the contained item could not be dropped");
+            }
+
+            slots.Remove(slot);
+        }
+
+        public bool HasSlot(string slot)
+        {
+            return slots.ContainsKey(slot);
+        }
+
+        private class InventorySlot : IInventorySlot
+        {
+            public IItemComponent Item { get; set; }
+            public string Name { get; }
+            public IInventoryComponent Owner { get; }
+
+            public InventorySlot(string name, IInventoryComponent owner)
+            {
+                Name = name;
+                Owner = owner;
+            }
+        }
+    }
+}

Content.Server/GameObjects/Components/Items/ItemComponent.cs

@@ -0,0 +1,57 @@
+using Content.Server.Interfaces.GameObjects;
+using SS14.Server.Interfaces.GameObjects;
+using SS14.Shared.GameObjects;
+using System;
+using SS14.Shared.Interfaces.GameObjects;
+
+namespace Content.Server.GameObjects
+{
+    public class ItemComponent : Component, IItemComponent, EntitySystems.IAttackHand
+    {
+        public override string Name => "Item";
+
+        /// <inheritdoc />
+        public IInventorySlot ContainingSlot { get; private set; }
+
+        public void RemovedFromSlot()
+        {
+            if (ContainingSlot == null)
+            {
+                throw new InvalidOperationException("Item is not in a slot.");
+            }
+
+            ContainingSlot = null;
+
+            foreach (var component in Owner.GetComponents<ISpriteRenderableComponent>())
+            {
+                component.Visible = true;
+            }
+        }
+
+        public void EquippedToSlot(IInventorySlot slot)
+        {
+            if (ContainingSlot != null)
+            {
+                throw new InvalidOperationException("Item is already in a slot.");
+            }
+
+            ContainingSlot = slot;
+
+            foreach (var component in Owner.GetComponents<ISpriteRenderableComponent>())
+            {
+                component.Visible = false;
+            }
+        }
+
+        public bool Attackhand(IEntity user)
+        {
+            if (ContainingSlot != null)
+            {
+                return false;
+            }
+            var hands = user.GetComponent<IHandsComponent>();
+            hands.PutInHand(this, hands.ActiveIndex, fallback: false);
+            return true;
+        }
+    }
+}

Content.Server/GameObjects/Components/Items/ServerHandsComponent.cs

@@ -0,0 +1,263 @@
+using System;
+using System.Collections.Generic;
+using Content.Server.Interfaces.GameObjects;
+using Content.Shared.GameObjects;
+using SS14.Server.Interfaces.GameObjects;
+using SS14.Shared.GameObjects;
+using SS14.Shared.Input;
+using SS14.Shared.Utility;
+using YamlDotNet.RepresentationModel;
+
+namespace Content.Server.GameObjects
+{
+    public class HandsComponent : SharedHandsComponent, IHandsComponent
+    {
+        private string activeIndex;
+
+        public string ActiveIndex
+        {
+            get => activeIndex;
+            set
+            {
+                if (!hands.ContainsKey(value))
+                {
+                    throw new ArgumentException($"No hand '{value}'");
+                }
+
+                activeIndex = value;
+            }
+        }
+
+        private Dictionary<string, IInventorySlot> hands = new Dictionary<string, IInventorySlot>();
+        private List<string> orderedHands = new List<string>();
+        private IInventoryComponent inventory;
+        private IServerTransformComponent transform;
+        private YamlMappingNode tempParametersMapping;
+
+        // Mostly arbitrary.
+        public const float PICKUP_RANGE = 2;
+
+        public override void Initialize()
+        {
+            inventory = Owner.GetComponent<IInventoryComponent>();
+            transform = Owner.GetComponent<IServerTransformComponent>();
+            if (tempParametersMapping != null)
+            {
+                foreach (var node in tempParametersMapping.GetNode<YamlSequenceNode>("hands"))
+                {
+                    AddHand(node.AsString());
+                }
+            }
+            
+            base.Initialize();
+        }
+
+        public override void OnRemove()
+        {
+            inventory = null;
+            base.OnRemove();
+        }
+
+        public override void LoadParameters(YamlMappingNode mapping)
+        {
+            tempParametersMapping = mapping;
+            base.LoadParameters(mapping);
+        }
+
+        public IEnumerable<IItemComponent> GetAllHeldItems()
+        {
+            foreach (var slot in hands.Values)
+            {
+                if (slot.Item != null)
+                {
+                    yield return slot.Item;
+                }
+            }
+        }
+
+        public IItemComponent GetHand(string index)
+        {
+            var slot = hands[index];
+            return slot.Item;
+        }
+
+        /// <summary>
+        ///     Enumerates over the hand keys, returning the active hand first.
+        /// </summary>
+        private IEnumerable<string> ActivePriorityEnumerable()
+        {
+            yield return ActiveIndex;
+            foreach (var hand in hands.Keys)
+            {
+                if (hand == ActiveIndex)
+                {
+                    continue;
+                }
+
+                yield return hand;
+            }
+        }
+
+        public bool PutInHand(IItemComponent item)
+        {
+            foreach (var hand in ActivePriorityEnumerable())
+            {
+                if (PutInHand(item, hand, fallback: false))
+                {
+                    return true;
+                }
+            }
+
+            return false;
+        }
+
+        public bool PutInHand(IItemComponent item, string index, bool fallback = true)
+        {
+            if (!CanPutInHand(item, index))
+            {
+                return fallback && PutInHand(item);
+            }
+
+            var slot = hands[index];
+            return slot.Owner.Insert(slot.Name, item);
+        }
+
+        public bool CanPutInHand(IItemComponent item)
+        {
+            foreach (var hand in ActivePriorityEnumerable())
+            {
+                if (CanPutInHand(item, hand))
+                {
+                    return true;
+                }
+            }
+
+            return false;
+        }
+
+        public bool CanPutInHand(IItemComponent item, string index)
+        {
+            var slot = hands[index];
+            return slot.Owner.CanInsert(slot.Name, item);
+        }
+
+        public bool Drop(string index)
+        {
+            if (!CanDrop(index))
+            {
+                return false;
+            }
+
+            var slot = hands[index];
+            return slot.Owner.Drop(slot.Name);
+        }
+
+        public bool CanDrop(string index)
+        {
+            var slot = hands[index];
+            return slot.Item != null && slot.Owner.CanDrop(slot.Name);
+        }
+
+        public void AddHand(string index)
+        {
+            if (HasHand(index))
+            {
+                throw new InvalidOperationException($"Hand '{index}' already exists.");
+            }
+
+            var slot = inventory.AddSlot(HandSlotName(index));
+            hands[index] = slot;
+            orderedHands.Add(index);
+            if (ActiveIndex == null)
+            {
+                ActiveIndex = index;
+            }
+        }
+
+        public void RemoveHand(string index)
+        {
+            if (!HasHand(index))
+            {
+                throw new InvalidOperationException($"Hand '{index}' does not exist.");
+            }
+
+            inventory.RemoveSlot(HandSlotName(index));
+            hands.Remove(index);
+            orderedHands.Remove(index);
+
+            if (index == ActiveIndex)
+            {
+                if (orderedHands.Count == 0)
+                {
+                    activeIndex = null;
+                }
+                else
+                {
+                    activeIndex = orderedHands[0];
+                }
+            }
+        }
+
+        public bool HasHand(string index)
+        {
+            return hands.ContainsKey(index);
+        }
+
+        /// <summary>
+        ///     Get the name of the slot passed to the inventory component.
+        /// </summary>
+        private string HandSlotName(string index) => $"_hand_{index}";
+
+        public override ComponentState GetComponentState()
+        {
+            var dict = new Dictionary<string, EntityUid>(hands.Count);
+            foreach (var hand in hands)
+            {
+                if (hand.Value.Item != null)
+                {
+                    dict[hand.Key] = hand.Value.Item.Owner.Uid;
+                }
+            }
+            return new HandsComponentState(dict, ActiveIndex);
+        }
+        
+        private void SwapHands()
+        {
+            var index = orderedHands.FindIndex(x => x == ActiveIndex);
+            index++;
+            if (index >= orderedHands.Count)
+            {
+                index = 0;
+            }
+
+            ActiveIndex = orderedHands[index];
+        }
+
+        public override void HandleMessage(object owner, ComponentMessage message)
+        {
+            base.HandleMessage(owner, message);
+
+            switch (message)
+            {
+                case ClientChangedHandMsg msg:
+                    if (HasHand(msg.Index))
+                        ActiveIndex = msg.Index;
+                    break;
+
+                case BoundKeyChangedMsg msg:
+                    if(msg.State != BoundKeyState.Down)
+                        return;
+                    switch (msg.Function)
+                    {
+                        case BoundKeyFunctions.SwitchHands:
+                            SwapHands();
+                            break;
+                        case BoundKeyFunctions.Drop:
+                            Drop(ActiveIndex);
+                            break;
+                    }
+                    break;
+            }
+        }
+    }
+}

Content.Server/GameObjects/Components/Power/PowerDevice.cs

@@ -0,0 +1,293 @@
+using SS14.Server.GameObjects;
+using SS14.Shared.GameObjects;
+using SS14.Shared.Interfaces.GameObjects;
+using SS14.Shared.IoC;
+using SS14.Shared.Utility;
+using System.Collections.Generic;
+using System.Linq;
+using YamlDotNet.RepresentationModel;
+
+namespace Content.Server.GameObjects.Components.Power
+{
+    /// <summary>
+    /// Component that requires power to function
+    /// </summary>
+    public class PowerDeviceComponent : Component
+    {
+        public override string Name => "PowerDevice";
+
+        /// <summary>
+        /// The method of draw we will try to use to place our load set via component parameter, defaults to using power providers
+        /// </summary>
+        public virtual DrawTypes Drawtype { get; protected set; } = DrawTypes.Provider;
+
+        /// <summary>
+        /// The power draw method we are currently connected to and using
+        /// </summary>
+        public DrawTypes Connected { get; protected set; } = DrawTypes.None;
+
+        public bool _powered = false;
+        /// <summary>
+        /// Status indicator variable for powered
+        /// </summary>
+        public virtual bool Powered
+        {
+            get => _powered;
+            set => SetPowered(value);
+        }
+
+        /// <summary>
+        /// Priority for powernet draw, lower will draw first, defined in powernet.cs
+        /// </summary>
+        public virtual Powernet.Priority Priority { get; protected set; } = Powernet.Priority.Medium;
+
+
+        private float _load = 100; //arbitrary magic number to start
+        /// <summary>
+        /// Power load from this entity
+        /// </summary>
+        public float Load
+        {
+            get => _load;
+            set { UpdateLoad(value); }
+        }
+
+        /// <summary>
+        /// All the power providers that we are within range of
+        /// </summary>
+        public List<PowerProviderComponent> AvailableProviders = new List<PowerProviderComponent>();
+
+
+        private PowerProviderComponent _provider;
+        /// <summary>
+        /// A power provider that will handle our load, if we are linked to any
+        /// </summary>
+        public PowerProviderComponent Provider
+        {
+            get => _provider;
+            set {
+                Connected = DrawTypes.Provider;
+                if (_provider != null)
+                {
+                    _provider.RemoveDevice(this);
+                }
+
+                if(value != null)
+                {
+                    _provider = value;
+                    _provider.AddDevice(this);
+                }
+                else
+                {
+                    Connected = DrawTypes.None;
+                }
+            }
+        }
+
+        public override void OnAdd()
+        {
+            base.OnAdd();
+
+            if (Drawtype == DrawTypes.Both || Drawtype == DrawTypes.Node)
+            {
+                if (!Owner.TryGetComponent(out PowerNodeComponent node))
+                {
+                    Owner.AddComponent<PowerNodeComponent>();
+                    node = Owner.GetComponent<PowerNodeComponent>();
+                }
+                node.OnPowernetConnect += PowernetConnect;
+                node.OnPowernetDisconnect += PowernetDisconnect;
+                node.OnPowernetRegenerate += PowernetRegenerate;
+            }
+        }
+
+        public override void OnRemove()
+        {
+            if (Owner.TryGetComponent(out PowerNodeComponent node))
+            {
+                if(node.Parent != null)
+                {
+                    node.Parent.RemoveDevice(this);
+                }
+
+                node.OnPowernetConnect -= PowernetConnect;
+                node.OnPowernetDisconnect -= PowernetDisconnect;
+                node.OnPowernetRegenerate -= PowernetRegenerate;
+            }
+
+            base.OnRemove();
+        }
+
+        public override void LoadParameters(YamlMappingNode mapping)
+        {
+            if (mapping.TryGetNode("Drawtype", out YamlNode node))
+            {
+                Drawtype = node.AsEnum<DrawTypes>();
+            }
+            if (mapping.TryGetNode("Load", out node))
+            {
+                Load = node.AsFloat();
+            }
+            if (mapping.TryGetNode("Priority", out node))
+            {
+                Priority = node.AsEnum<Powernet.Priority>();
+            }
+        }
+
+        private void UpdateLoad(float value)
+        {
+            var oldLoad = _load;
+            _load = value;
+            if(Connected == DrawTypes.Node)
+            {
+                var node = Owner.GetComponent<PowerNodeComponent>();
+                node.Parent.UpdateDevice(this, oldLoad);
+            }
+            else if(Connected == DrawTypes.Provider)
+            {
+                Provider.UpdateDevice(this, oldLoad);
+            }
+        }
+
+        /// <summary>
+        /// Changes behavior when receiving a command to become powered or depowered
+        /// </summary>
+        /// <param name="value"></param>
+        public virtual void SetPowered(bool value)
+        {
+            //Let them set us to true
+            if (value == true)
+            {
+                _powered = true;
+                return;
+            }
+
+            //A powernet has decided we will not be powered this tick, lets try to power ourselves
+            if (value == false && Owner.TryGetComponent(out PowerStorageComponent storage))
+            {
+                if (storage.CanDeductCharge(Load))
+                {
+                    storage.DeductCharge(Load);
+                    _powered = true;
+                    return;
+                }
+            }
+
+            //For some reason above we could not power ourselves, we depower
+            _powered = false;
+            return;
+        }
+
+        /// <summary>
+        /// Register a new power provider as a possible connection to this device
+        /// </summary>
+        /// <param name="provider"></param>
+        public void AddProvider(PowerProviderComponent provider)
+        {
+            AvailableProviders.Add(provider);
+
+            if(Connected != DrawTypes.Node)
+            {
+                ConnectToBestProvider();
+            }
+        }
+
+        /// <summary>
+        /// Find the nearest registered power provider and connect to it
+        /// </summary>
+        private void ConnectToBestProvider()
+        {
+            //Any values we can connect to or are we already connected to a node, cancel!
+            if (!AvailableProviders.Any() || Connected == DrawTypes.Node)
+                return;
+
+            //Get the starting value for our loop
+            var position = Owner.GetComponent<TransformComponent>().WorldPosition;
+            var bestprovider = AvailableProviders[0];
+
+            //If we are already connected to a power provider we need to do a loop to find the nearest one, otherwise skip it and use first entry
+            if (Connected == DrawTypes.Provider)
+            {
+                var bestdistance = (bestprovider.Owner.GetComponent<TransformComponent>().WorldPosition - position).LengthSquared;
+
+                foreach (var availprovider in AvailableProviders)
+                {
+                    //Find distance to new provider
+                    var distance = (availprovider.Owner.GetComponent<TransformComponent>().WorldPosition - position).LengthSquared;
+
+                    //If new provider distance is shorter it becomes new best possible provider
+                    if (distance < bestdistance)
+                    {
+                        bestdistance = distance;
+                        bestprovider = availprovider;
+                    }
+                }
+            }
+
+            if(Provider != bestprovider)
+                Provider = bestprovider;
+        }
+
+        /// <summary>
+        /// Remove a power provider from being a possible connection to this device
+        /// </summary>
+        /// <param name="provider"></param>
+        public void RemoveProvider(PowerProviderComponent provider)
+        {
+            if (!AvailableProviders.Contains(provider))
+                return;
+            
+            AvailableProviders.Remove(provider);
+
+            if (Connected != DrawTypes.Node)
+            {
+                ConnectToBestProvider();
+            }
+        }
+
+        /// <summary>
+        /// Node has become anchored to a powernet
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="eventarg"></param>
+        private void PowernetConnect(object sender, PowernetEventArgs eventarg)
+        {
+            //This sets connected = none so it must be first
+            Provider = null;
+
+            eventarg.Powernet.AddDevice(this);
+            Connected = DrawTypes.Node;
+        }
+
+        /// <summary>
+        /// Powernet wire was remove so we need to regenerate the powernet
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="eventarg"></param>
+        private void PowernetRegenerate(object sender, PowernetEventArgs eventarg)
+        {
+            eventarg.Powernet.AddDevice(this);
+        }
+
+        /// <summary>
+        /// Node has become unanchored from a powernet
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="eventarg"></param>
+        private void PowernetDisconnect(object sender, PowernetEventArgs eventarg)
+        {
+            eventarg.Powernet.RemoveDevice(this);
+            Connected = DrawTypes.None;
+
+            ConnectToBestProvider();
+        }
+    }
+
+    public enum DrawTypes
+    {
+        None = 0,
+        Node = 1,
+        Provider = 2,
+        Both = 3
+    }
+}

Content.Server/GameObjects/Components/Power/PowerGeneratorComponent.cs

@@ -0,0 +1,104 @@
+using SS14.Shared.GameObjects;
+using SS14.Shared.Interfaces.GameObjects;
+using SS14.Shared.IoC;
+using SS14.Shared.Log;
+using SS14.Shared.Utility;
+using System;
+using YamlDotNet.RepresentationModel;
+
+namespace Content.Server.GameObjects.Components.Power
+{
+    /// <summary>
+    /// Component that creates power and supplies it to the powernet
+    /// </summary>
+    public class PowerGeneratorComponent : Component
+    {
+        public override string Name => "PowerGenerator";
+
+        /// <summary>
+        /// Power supply from this entity
+        /// </summary>
+        private float _supply = 1000; //arbitrary initial magic number to start
+        public float Supply
+        {
+            get => _supply;
+            set { UpdateSupply(value); }
+        }
+
+        public override void LoadParameters(YamlMappingNode mapping)
+        {
+            if (mapping.TryGetNode("Supply", out YamlNode node))
+            {
+                Supply = node.AsFloat();
+            }
+        }
+
+        public override void OnAdd()
+        {
+            base.OnAdd();
+
+            if (!Owner.TryGetComponent(out PowerNodeComponent node))
+            {
+                Owner.AddComponent<PowerNodeComponent>();
+                node = Owner.GetComponent<PowerNodeComponent>();
+            }
+            node.OnPowernetConnect += PowernetConnect;
+            node.OnPowernetDisconnect += PowernetDisconnect;
+            node.OnPowernetRegenerate += PowernetRegenerate;
+        }
+
+        public override void OnRemove()
+        {
+            if (Owner.TryGetComponent(out PowerNodeComponent node))
+            {
+                if (node.Parent != null)
+                {
+                    node.Parent.RemoveGenerator(this);
+                }
+
+                node.OnPowernetConnect -= PowernetConnect;
+                node.OnPowernetDisconnect -= PowernetDisconnect;
+                node.OnPowernetRegenerate -= PowernetRegenerate;
+            }
+
+            base.OnRemove();
+        }
+
+        private void UpdateSupply(float value)
+        {
+            _supply = value;
+            var node = Owner.GetComponent<PowerNodeComponent>();
+            node.Parent.UpdateGenerator(this);
+        }
+
+        /// <summary>
+        /// Node has become anchored to a powernet
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="eventarg"></param>
+        private void PowernetConnect(object sender, PowernetEventArgs eventarg)
+        {
+            eventarg.Powernet.AddGenerator(this);
+        }
+
+        /// <summary>
+        /// Node has had its powernet regenerated
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="eventarg"></param>
+        private void PowernetRegenerate(object sender, PowernetEventArgs eventarg)
+        {
+            eventarg.Powernet.AddGenerator(this);
+        }
+
+        /// <summary>
+        /// Node has become unanchored from a powernet
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="eventarg"></param>
+        private void PowernetDisconnect(object sender, PowernetEventArgs eventarg)
+        {
+            eventarg.Powernet.RemoveGenerator(this);
+        }
+    }
+}

Content.Server/GameObjects/Components/Power/PowerNodeComponent.cs

@@ -0,0 +1,109 @@
+using SS14.Server.GameObjects;
+using SS14.Server.Interfaces.GameObjects;
+using SS14.Shared.GameObjects;
+using SS14.Shared.IoC;
+using System;
+using System.Linq;
+
+namespace Content.Server.GameObjects.Components.Power
+{
+    /// <summary>
+    /// Component that connects to the powernet
+    /// </summary>
+    public class PowerNodeComponent : Component
+    {
+        public override string Name => "PowerNode";
+        
+        /// <summary>
+        /// The powernet this node is connected to
+        /// </summary>
+        public Powernet Parent;
+
+        /// <summary>
+        /// An event handling when this node connects to a powernet
+        /// </summary>
+        public event EventHandler<PowernetEventArgs> OnPowernetConnect;
+
+        /// <summary>
+        /// An event handling when this node disconnects from a powernet
+        /// </summary>
+        public event EventHandler<PowernetEventArgs> OnPowernetDisconnect;
+
+        /// <summary>
+        /// An event that registers us to a regenerating powernet
+        /// </summary>
+        public event EventHandler<PowernetEventArgs> OnPowernetRegenerate;
+
+        public override void Initialize()
+        {
+            TryCreatePowernetConnection();
+        }
+
+        public override void OnRemove()
+        {
+            DisconnectFromPowernet();
+
+            base.OnRemove();
+        }
+
+        /// <summary>
+        /// Find a nearby wire which will have a powernet and connect ourselves to its powernet
+        /// </summary>
+        public void TryCreatePowernetConnection()
+        {
+            var _emanager = IoCManager.Resolve<IServerEntityManager>();
+            var position = Owner.GetComponent<TransformComponent>().WorldPosition;
+            var wires = _emanager.GetEntitiesIntersecting(Owner)
+                        .Where(x => x.HasComponent<PowerTransferComponent>())
+                        .OrderByDescending(x => (x.GetComponent<TransformComponent>().WorldPosition - position).Length);
+            var choose = wires.FirstOrDefault();
+            if(choose != null)
+                ConnectToPowernet(choose.GetComponent<PowerTransferComponent>().Parent);
+        }
+
+        /// <summary>
+        /// Triggers event telling power components that we connected to a powernet
+        /// </summary>
+        /// <param name="toconnect"></param>
+        public void ConnectToPowernet(Powernet toconnect)
+        {
+            Parent = toconnect;
+            Parent.Nodelist.Add(this);
+            OnPowernetConnect?.Invoke(this, new PowernetEventArgs(Parent));
+        }
+
+        /// <summary>
+        /// Triggers event telling power components that we haven't disconnected but have readded ourselves to a regenerated powernet
+        /// </summary>
+        /// <param name="toconnect"></param>
+        public void RegeneratePowernet(Powernet toconnect)
+        {
+            //This removes the device from things that will be powernet disconnected when dirty powernet is killed
+            Parent.Nodelist.Remove(this);
+
+            Parent = toconnect;
+            Parent.Nodelist.Add(this);
+            OnPowernetRegenerate?.Invoke(this, new PowernetEventArgs(Parent));
+        }
+
+        /// <summary>
+        /// Triggers event telling power components we have exited any powernets
+        /// </summary>
+        public void DisconnectFromPowernet()
+        {
+            Parent.Nodelist.Remove(this);
+            OnPowernetDisconnect?.Invoke(this, new PowernetEventArgs(Parent));
+            Parent = null;
+        }
+    }
+
+    public class PowernetEventArgs : EventArgs
+    {
+        public PowernetEventArgs(Powernet powernet)
+        {
+            Powernet = powernet;
+        }
+
+        public Powernet Powernet { get; }
+    }
+}

Content.Server/GameObjects/Components/Power/PowerProviderComponent.cs

@@ -0,0 +1,201 @@
+using SS14.Server.GameObjects;
+using SS14.Server.Interfaces.GameObjects;
+using SS14.Shared.Interfaces.GameObjects;
+using SS14.Shared.IoC;
+using SS14.Shared.Log;
+using SS14.Shared.Utility;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using YamlDotNet.RepresentationModel;
+
+namespace Content.Server.GameObjects.Components.Power
+{
+    /// <summary>
+    /// Component that wirelessly connects and powers devices, connects to powernet via node and can be combined with internal storage component
+    /// </summary>
+    public class PowerProviderComponent : PowerDeviceComponent
+    {
+        public override string Name => "PowerProvider";
+
+        /// <inheritdoc />
+        public override DrawTypes Drawtype { get; protected set; } = DrawTypes.Node;
+
+        /// <summary>
+        /// Variable that determines the range that the power provider will try to supply power to
+        /// </summary>
+        public int PowerRange { get; private set; } = 0;
+
+        /// <summary>
+        /// List storing all the power devices that we are currently providing power to
+        /// </summary>
+        public SortedSet<PowerDeviceComponent> Deviceloadlist = new SortedSet<PowerDeviceComponent>(new Powernet.DevicePriorityCompare());
+
+        public List<PowerDeviceComponent> DepoweredDevices = new List<PowerDeviceComponent>();
+
+        public override Powernet.Priority Priority { get; protected set; } = Powernet.Priority.Provider;
+
+        public override void LoadParameters(YamlMappingNode mapping)
+        {
+            if (mapping.TryGetNode("Range", out YamlNode node))
+            {
+                PowerRange = node.AsInt();
+            }
+            if (mapping.TryGetNode("Priority", out node))
+            {
+                Priority = node.AsEnum<Powernet.Priority>();
+            }
+        }
+
+        /// <inheritdoc />
+        public override void SetPowered(bool value)
+        {
+            //Let them set us true, we must now power all the devices that rely on us for energy
+            if (value == true)
+            {
+                PowerAllDevices();
+                return;
+            }
+
+            //A powernet has decided we will not be powered this tick, lets try to power ourselves
+            if (value == false && Owner.TryGetComponent(out PowerStorageComponent storage))
+            {
+                //Can the storage cover powering all our devices and us? If so power all
+                if (storage.CanDeductCharge(Load))
+                {
+                    storage.DeductCharge(Load);
+                    _powered = true;
+                    return;
+                }
+                //Does the storage even have any power to give us? If so power as much as we can
+                else if (storage.RequestAllCharge() != 0)
+                {
+                    var depowervalue = storage.RequestAllCharge() - Load;
+                    _powered = true;
+                    //See code in powernet for same functionality
+                    foreach (var device in Deviceloadlist)
+                    {
+                        device.Powered = false;
+                        DepoweredDevices.Add(device);
+                        depowervalue -= device.Load;
+                        if (depowervalue < 0)
+                            break;
+                    }
+                    return;
+                }
+                //Storage doesn't have anything, depower everything
+                else if(storage.RequestAllCharge() == 0)
+                {
+                    DepowerAllDevices();
+                    return;
+                }
+            }
+
+            //For some reason above we could not power ourselves, we depower ourselves and all devices
+            DepowerAllDevices();
+            return;
+        }
+
+        private void PowerAllDevices()
+        {
+            _powered = true;
+            foreach (var device in DepoweredDevices)
+            {
+                device.Powered = true;
+            }
+            DepoweredDevices.Clear();
+        }
+
+        private void DepowerAllDevices()
+        {
+            _powered = false;
+            foreach (var device in DepoweredDevices)
+            {
+                device.Powered = false;
+            }
+        }
+
+        private void PowernetConnect(object sender, PowernetEventArgs eventarg)
+        {
+            eventarg.Powernet.AddDevice(this);
+            Connected = DrawTypes.Node;
+
+            //Find devices within range to take under our control
+            var _emanager = IoCManager.Resolve<IServerEntityManager>();
+            var position = Owner.GetComponent<TransformComponent>().WorldPosition;
+            var entities = _emanager.GetEntitiesInRange(Owner, PowerRange)
+                        .Where(x => x.HasComponent<PowerDeviceComponent>());
+
+
+            foreach (var entity in entities)
+            {
+                var device = entity.GetComponent<PowerDeviceComponent>();
+                
+                //Make sure the device can accept power providers to give it power
+                if (device.Drawtype == DrawTypes.Provider || device.Drawtype == DrawTypes.Both)
+                {
+                    device.AddProvider(this);
+                }
+            }
+        }
+
+        private void PowernetRegenerate(object sender, PowernetEventArgs eventarg)
+        {
+            eventarg.Powernet.AddDevice(this);
+        }
+
+        private void PowernetDisconnect(object sender, PowernetEventArgs eventarg)
+        {
+            eventarg.Powernet.RemoveDevice(this);
+            Connected = DrawTypes.None;
+
+            //We don't want to make the devices under us think we're still a valid provider if we have no powernet to connect to
+            foreach (var device in Deviceloadlist)
+            {
+                device.RemoveProvider(this);
+            }
+        }
+
+        /// <summary>
+        /// Register a continuous load from a device connected to the powernet
+        /// </summary>
+        public void AddDevice(PowerDeviceComponent device)
+        {
+            Deviceloadlist.Add(device);
+            Load += device.Load;
+            if (!device.Powered)
+                DepoweredDevices.Add(device);
+        }
+
+        /// <summary>
+        /// Update one of the loads from a deviceconnected to the powernet
+        /// </summary>
+        public void UpdateDevice(PowerDeviceComponent device, float oldLoad)
+        {
+            if (Deviceloadlist.Contains(device))
+            {
+                Load -= oldLoad;
+                Load += device.Load;
+            }
+        }
+
+        /// <summary>
+        /// Remove a continuous load from a device connected to the powernet
+        /// </summary>
+        public void RemoveDevice(PowerDeviceComponent device)
+        {
+            if (Deviceloadlist.Contains(device))
+            {
+                Load -= device.Load;
+                Deviceloadlist.Remove(device);
+                if (DepoweredDevices.Contains(device))
+                    DepoweredDevices.Remove(device);
+            }
+            else
+            {
+                var name = device.Owner.Prototype.Name;
+                Logger.Log(String.Format("We tried to remove a device twice from the same {0} somehow, prototype {1}", Name, name));
+            }
+        }
+    }
+}

Content.Server/GameObjects/Components/Power/PowerStorageComponent.cs

@@ -0,0 +1,200 @@
+using SS14.Shared.GameObjects;
+using SS14.Shared.Interfaces.GameObjects;
+using SS14.Shared.IoC;
+using SS14.Shared.Utility;
+using System;
+using YamlDotNet.RepresentationModel;
+
+namespace Content.Server.GameObjects.Components.Power
+{
+    /// <summary>
+    /// Feeds energy from the powernet and may have the ability to supply back into it
+    /// </summary>
+    public class PowerStorageComponent : Component
+    {
+        public override string Name => "PowerStorage";
+
+        /// <summary>
+        /// Maximum amount of energy the internal battery can store
+        /// </summary>
+        public float Capacity { get; private set; } = 10000; //arbitrary value replace
+
+        /// <summary>
+        /// Energy the battery is currently storing
+        /// </summary>
+        public float Charge { get; private set; } = 0;
+
+        /// <summary>
+        /// Rate at which energy will be taken to charge internal battery
+        /// </summary>
+        public float ChargeRate { get; private set; } = 1000;
+
+        /// <summary>
+        /// Rate at which energy will be distributed to the powernet if needed
+        /// </summary>
+        public float DistributionRate { get; private set; } = 1000;
+        
+        private bool _chargepowernet = false;
+
+        /// <summary>
+        /// Do we distribute power into the powernet from our stores if the powernet requires it?
+        /// </summary>
+        public bool ChargePowernet
+        {
+            get => _chargepowernet;
+            set
+            {
+                _chargepowernet = value;
+                if (Owner.TryGetComponent(out PowerNodeComponent node))
+                {
+                    if (node.Parent != null)
+                        node.Parent.UpdateStorageType(this);
+                }
+            }
+        }
+
+
+        public override void LoadParameters(YamlMappingNode mapping)
+        {
+            if (mapping.TryGetNode("Capacity", out YamlNode node))
+            {
+                Capacity = node.AsFloat();
+            }
+            if (mapping.TryGetNode("Charge", out node))
+            {
+                Charge = node.AsFloat();
+            }
+            if (mapping.TryGetNode("ChargeRate", out node))
+            {
+                ChargeRate = node.AsFloat();
+            }
+            if (mapping.TryGetNode("DistributionRate", out node))
+            {
+                DistributionRate = node.AsFloat();
+            }
+            if (mapping.TryGetNode("ChargePowernet", out node))
+            {
+                _chargepowernet = node.AsBool();
+            }
+        }
+
+        public override void OnAdd()
+        {
+            base.OnAdd();
+
+            if (!Owner.TryGetComponent(out PowerNodeComponent node))
+            {
+                Owner.AddComponent<PowerNodeComponent>();
+                node = Owner.GetComponent<PowerNodeComponent>();
+            }
+            node.OnPowernetConnect += PowernetConnect;
+            node.OnPowernetDisconnect += PowernetDisconnect;
+            node.OnPowernetRegenerate += PowernetRegenerate;
+        }
+
+        public override void OnRemove()
+        {
+            if (Owner.TryGetComponent(out PowerNodeComponent node))
+            {
+                if (node.Parent != null)
+                {
+                    node.Parent.RemovePowerStorage(this);
+                }
+
+                node.OnPowernetConnect -= PowernetConnect;
+                node.OnPowernetDisconnect -= PowernetDisconnect;
+                node.OnPowernetRegenerate -= PowernetRegenerate;
+            }
+
+            base.OnRemove();
+        }
+
+        /// <summary>
+        /// Checks if the storage can supply the amount of charge directly requested
+        /// </summary>
+        public bool CanDeductCharge(float todeduct)
+        {
+            if (Charge > todeduct)
+                return true;
+            return false;
+        }
+
+        /// <summary>
+        /// Deducts the requested charge from the energy storage
+        /// </summary>
+        public void DeductCharge(float todeduct)
+        {
+            Charge = Math.Min(0, Charge - todeduct);
+        }
+
+        /// <summary>
+        /// Returns all possible charge available from the energy storage
+        /// </summary>
+        public float RequestAllCharge()
+        {
+            return Math.Min(ChargeRate, Capacity - Charge);
+        }
+
+        /// <summary>
+        /// Returns the charge available from the energy storage
+        /// </summary>
+        public float RequestCharge()
+        {
+            return Math.Min(ChargeRate, Capacity - Charge);
+        }
+
+        /// <summary>
+        /// Returns the charge available from the energy storage
+        /// </summary>
+        public float AvailableCharge()
+        {
+            return Math.Min(DistributionRate, Charge);
+        }
+
+        /// <summary>
+        /// Gives the storage one full tick of charging its energy storage
+        /// </summary>
+        public void ChargePowerTick()
+        {
+            Charge = Math.Max(Charge + ChargeRate, Capacity);
+        }
+
+        /// <summary>
+        /// Takes from the storage one full tick of energy
+        /// </summary>
+        public void RetrievePassiveStorage()
+        {
+            Charge = Math.Min(Charge - DistributionRate, 0);
+        }
+
+        /// <summary>
+        /// Node has become anchored to a powernet
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="eventarg"></param>
+        private void PowernetConnect(object sender, PowernetEventArgs eventarg)
+        {
+            eventarg.Powernet.AddPowerStorage(this);
+        }
+
+        /// <summary>
+        /// Node has had its powernet regenerated
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="eventarg"></param>
+        private void PowernetRegenerate(object sender, PowernetEventArgs eventarg)
+        {
+            eventarg.Powernet.AddPowerStorage(this);
+        }
+
+        /// <summary>
+        /// Node has become unanchored from a powernet
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="eventarg"></param>
+        private void PowernetDisconnect(object sender, PowernetEventArgs eventarg)
+        {
+            eventarg.Powernet.RemovePowerStorage(this);
+        }
+    }
+}

Content.Server/GameObjects/Components/Power/PowerTransferComponent.cs

@@ -0,0 +1,142 @@
+using Content.Server.GameObjects.EntitySystems;
+using SS14.Server.GameObjects;
+using SS14.Server.Interfaces.GameObjects;
+using SS14.Shared.GameObjects;
+using SS14.Shared.IoC;
+using System.Linq;
+using SS14.Shared.Interfaces.GameObjects;
+using Content.Server.GameObjects.Components.Interactable.Tools;
+
+namespace Content.Server.GameObjects.Components.Power
+{
+    /// <summary>
+    /// Component to transfer power to nearby components, can create powernets and connect to nodes
+    /// </summary>
+    public class PowerTransferComponent : Component, IAttackby
+    {
+        public override string Name => "PowerTransfer";
+
+        /// <summary>
+        /// The powernet this component is connected to
+        /// </summary>
+        public Powernet Parent;
+
+        public bool Regenerating { get; set; } = false;
+
+        public override void Initialize()
+        {
+            if(Parent == null)
+            {
+                SpreadPowernet();
+            }
+        }
+
+        public override void OnRemove()
+        {
+            DisconnectFromPowernet();
+
+            base.OnRemove();
+        }
+
+        /// <summary>
+        /// Searches for local powernets to connect to, otherwise creates its own, and spreads powernet to nearby entities
+        /// </summary>
+        public void SpreadPowernet()
+        {
+            var _emanager = IoCManager.Resolve<IServerEntityManager>();
+            var position = Owner.GetComponent<TransformComponent>().WorldPosition;
+            var wires = _emanager.GetEntitiesInRange(Owner, 0.1f) //arbitrarily low, just scrape things //wip
+                        .Where(x => x.HasComponent<PowerTransferComponent>());
+
+            //we have no parent so lets find a partner we can join his powernet
+            if(Parent == null || Regenerating)
+            {
+                foreach (var wire in wires)
+                {
+                    var ptc = wire.GetComponent<PowerTransferComponent>();
+                    if (ptc.CanConnectTo())
+                    {
+                        ConnectToPowernet(ptc.Parent);
+                        break;
+                    }
+                }
+
+                //we couldn't find a partner so none must have spread yet, lets make our own powernet to spread
+                if (Parent == null || Regenerating)
+                {
+                    var powernew = new Powernet();
+                    ConnectToPowernet(powernew);
+                }
+            }
+
+            //Find nodes intersecting us and if not already assigned to a powernet assign them to us
+            var nodes = _emanager.GetEntitiesIntersecting(Owner)
+                        .Where(x => x.HasComponent<PowerNodeComponent>())
+                        .Select(x => x.GetComponent<PowerNodeComponent>());
+
+            foreach(var node in nodes)
+            {
+                if(node.Parent == null)
+                {
+                    node.ConnectToPowernet(Parent);
+                }
+                else if(node.Parent.Dirty)
+                {
+                    node.RegeneratePowernet(Parent);
+                }
+            }
+
+            //spread powernet to nearby wires which haven't got one yet, and tell them to spread as well
+            foreach (var wire in wires)
+            {
+                var ptc = wire.GetComponent<PowerTransferComponent>();
+                if (ptc.Parent == null || Regenerating)
+                {
+                    ptc.ConnectToPowernet(Parent);
+                    SpreadPowernet();
+                }
+                else if(ptc.Parent != Parent && !ptc.Parent.Dirty)
+                {
+                    Parent.MergePowernets(ptc.Parent);
+                }
+            }
+        }
+
+        /// <summary>
+        /// Called when connecting to a new powernet, either on creation or on regeneration
+        /// </summary>
+        /// <param name="toconnect"></param>
+        public void ConnectToPowernet(Powernet toconnect)
+        {
+            Parent = toconnect;
+            Parent.Wirelist.Add(this);
+            Regenerating = false;
+        }
+
+        /// <summary>
+        /// Called when we are removed and telling the powernet that it is now dirty and must regenerate
+        /// </summary>
+        public void DisconnectFromPowernet()
+        {
+            Parent.Wirelist.Remove(this);
+            Parent.Dirty = true;
+            Parent = null;
+        }
+
+
+        public bool CanConnectTo()
+        {
+            return Parent != null && Parent.Dirty == false && !Regenerating;
+        }
+
+        public bool Attackby(IEntity user, IEntity attackwith)
+        {
+            if(attackwith.TryGetComponent(out WirecutterComponent wirecutter))
+            {
+                Owner.Delete();
+                return true;
+            }
+            return false;
+        }
+    }
+}

Content.Server/GameObjects/Components/Power/Powernet.cs

@@ -0,0 +1,402 @@
+using Content.Shared.GameObjects.EntitySystems;
+using SS14.Shared.Interfaces.GameObjects;
+using SS14.Shared.IoC;
+using SS14.Shared.Log;
+using System;
+using System.Collections.Generic;
+
+namespace Content.Server.GameObjects.Components.Power
+{
+    /// <summary>
+    /// Master class for group of powertransfercomponents, takes in and distributes power via nodes
+    /// </summary>
+    public class Powernet
+    {
+        public Powernet()
+        {
+            var EntitySystemManager = IoCManager.Resolve<IEntitySystemManager>();
+            EntitySystemManager.GetEntitySystem<PowerSystem>().Powernets.Add(this);
+        }
+
+        /// <summary>
+        /// The entities that make up the powernet's physical location and allow powernet connection
+        /// </summary>
+        public List<PowerTransferComponent> Wirelist { get; set; } = new List<PowerTransferComponent>();
+
+        /// <summary>
+        /// Entities that connect directly to the powernet through PTC above to add power or add power load
+        /// </summary>
+        public List<PowerNodeComponent> Nodelist { get; set; } = new List<PowerNodeComponent>();
+
+        /// <summary>
+        /// Subset of nodelist that adds a continuous power supply to the network
+        /// </summary>
+        public Dictionary<PowerGeneratorComponent, float> Generatorlist { get; set; } = new Dictionary<PowerGeneratorComponent, float>();
+
+        /// <summary>
+        /// Subset of nodelist that draw power, stores information on current continuous powernet load
+        /// </summary>
+        public SortedSet<PowerDeviceComponent> Deviceloadlist { get; set; } = new SortedSet<PowerDeviceComponent>(new DevicePriorityCompare());
+
+        /// <summary>
+        /// Comparer that keeps the device dictionary sorted by powernet priority
+        /// </summary>
+        public class DevicePriorityCompare : IComparer<PowerDeviceComponent>
+        {
+            public int Compare(PowerDeviceComponent x, PowerDeviceComponent y)
+            {
+                int compare = y.Priority.CompareTo(x.Priority);
+
+                //If the comparer returns 0 sortedset will believe it is a duplicate and return 0, so return 1 instead
+                if (compare == 0 && !x.Equals(y))
+                {
+                    return 1;
+                }
+                return compare;
+            }
+        }
+
+        /// <summary>
+        /// Priority that a device will receive power if powernet cannot supply every device
+        /// </summary>
+        public enum Priority
+        {
+            Necessary,
+            High,
+            Medium,
+            Low,
+            Provider,
+            Unnecessary
+        }
+
+        /// <summary>
+        /// All the devices that have been depowered by this powernet or depowered prior to being absorted into this powernet
+        /// </summary>
+        public List<PowerDeviceComponent> DepoweredDevices { get; set; } = new List<PowerDeviceComponent>();
+
+        /// <summary>
+        /// A list of the energy storage components that will feed the powernet if necessary, and if there is enough power feed itself
+        /// </summary>
+        public List<PowerStorageComponent> PowerStorageSupplierlist { get; set; } = new List<PowerStorageComponent>();
+
+        /// <summary>
+        /// A list of energy storage components that will never feed the powernet, will try to draw energy to feed themselves if possible
+        /// </summary>
+        public List<PowerStorageComponent> PowerStorageConsumerlist { get; set; } = new List<PowerStorageComponent>();
+
+        /// <summary>
+        /// Static counter of all continuous load placed from devices on this power network
+        /// </summary>
+        public float Load { get; private set; } = 0;
+
+        /// <summary>
+        /// Static counter of all continiuous supply from generators on this power network
+        /// </summary>
+        public float Supply { get; private set; } = 0;
+
+        /// <summary>
+        /// Variable that causes powernet to be regenerated from its wires during the next update cycle
+        /// </summary>
+        public bool Dirty { get; set; } = false;
+
+        public void Update(float frametime)
+        {
+            float activesupply = Supply;
+            float activeload = Load;
+
+            float storagedemand = 0;
+
+            foreach (var supply in PowerStorageConsumerlist)
+            {
+                storagedemand += supply.RequestCharge();
+            }
+
+            float passivesupply = 0;
+            float passivedemand = 0;
+
+            foreach (var supply in PowerStorageSupplierlist)
+            {
+                passivesupply += supply.AvailableCharge();
+                passivedemand += supply.RequestCharge();
+            }
+
+
+            //If we have enough power to feed all load and storage demand, then feed everything
+            if (activesupply > activeload + storagedemand + passivedemand)
+            {
+                PowerAllDevices();
+                ChargeActiveStorage();
+                ChargePassiveStorage();
+            }
+            //We don't have enough power for the storage powernet suppliers, ignore powering them
+            else if (activesupply > activeload + storagedemand)
+            {
+                PowerAllDevices();
+                ChargeActiveStorage();
+            }
+            //We require the storage powernet suppliers to power the remaining storage components and device load
+            else if (activesupply + passivesupply > activeload + storagedemand)
+            {
+                PowerAllDevices();
+                ChargeActiveStorage();
+                RetrievePassiveStorage();
+            }
+            //We cant afford to fund the storage components, so lets try to power the basic load using our supply and storage supply
+            else if (activesupply + passivesupply > activeload)
+            {
+                PowerAllDevices();
+                RetrievePassiveStorage();
+            }
+            //We cant even cover the basic device load, start disabling devices in order of priority until the remaining load is lowered enough to be met
+            else if (activesupply + passivesupply < activeload)
+            {
+                PowerAllDevices(); //This merely makes our inevitable betrayal all the sweeter
+                RetrievePassiveStorage();
+                
+                var depowervalue = activeload - (activesupply + passivesupply);
+
+                //Providers use same method to recreate functionality
+                foreach(var device in Deviceloadlist)
+                {
+                    device.Powered = false;
+                    DepoweredDevices.Add(device);
+                    depowervalue -= device.Load;
+                    if (depowervalue < 0)
+                        break;
+                }
+            }
+        }
+
+        private void PowerAllDevices()
+        {
+            foreach(var device in DepoweredDevices)
+            {
+                device.Powered = true;
+            }
+            DepoweredDevices.Clear();
+        }
+
+        private void ChargeActiveStorage()
+        {
+            foreach (var storage in PowerStorageConsumerlist)
+            {
+                storage.ChargePowerTick();
+            }
+        }
+
+        private void ChargePassiveStorage()
+        {
+            foreach (var storage in PowerStorageSupplierlist)
+            {
+                storage.ChargePowerTick();
+            }
+        }
+
+        private void RetrievePassiveStorage()
+        {
+            foreach (var storage in PowerStorageSupplierlist)
+            {
+                storage.ChargePowerTick();
+            }
+        }
+
+        /// <summary>
+        /// Kills a powernet after it is marked dirty and its component have already been regenerated by the powernet system
+        /// </summary>
+        public void DirtyKill()
+        {
+            Wirelist.Clear();
+            while(Nodelist.Count != 0)
+            {
+                Nodelist[0].DisconnectFromPowernet();
+            }
+            Generatorlist.Clear();
+            Deviceloadlist.Clear();
+            DepoweredDevices.Clear();
+            PowerStorageSupplierlist.Clear();
+            PowerStorageConsumerlist.Clear();
+
+            RemoveFromSystem();
+        }
+
+        /// <summary>
+        /// Combines two powernets when they connect via powertransfer components
+        /// </summary>
+        public void MergePowernets(Powernet toMerge)
+        {
+            //TODO: load balance reconciliation between powernets on merge tick here
+
+            foreach (var wire in toMerge.Wirelist)
+            {
+                wire.Parent = this;
+            }
+            Wirelist.AddRange(toMerge.Wirelist);
+            toMerge.Wirelist.Clear();
+
+            foreach (var node in toMerge.Nodelist)
+            {
+                node.Parent = this;
+            }
+            Nodelist.AddRange(toMerge.Nodelist);
+            toMerge.Nodelist.Clear();
+
+            foreach (var generator in toMerge.Generatorlist)
+            {
+                Generatorlist.Add(generator.Key, generator.Value);
+            }
+            toMerge.Generatorlist.Clear();
+
+            foreach (var device in toMerge.Deviceloadlist)
+            {
+                Deviceloadlist.Add(device);
+            }
+            toMerge.Deviceloadlist.Clear();
+
+            DepoweredDevices.AddRange(toMerge.DepoweredDevices);
+            toMerge.DepoweredDevices.Clear();
+
+            PowerStorageSupplierlist.AddRange(toMerge.PowerStorageSupplierlist);
+            toMerge.PowerStorageSupplierlist.Clear();
+
+            PowerStorageConsumerlist.AddRange(toMerge.PowerStorageConsumerlist);
+            toMerge.PowerStorageConsumerlist.Clear();
+
+            toMerge.RemoveFromSystem();
+        }
+
+        /// <summary>
+        /// Removes reference from the powernets list on the powernet system
+        /// </summary>
+        private void RemoveFromSystem()
+        {
+            var EntitySystemManager = IoCManager.Resolve<IEntitySystemManager>();
+            EntitySystemManager.GetEntitySystem<PowerSystem>().Powernets.Remove(this);
+        }
+
+        #region Registration
+
+        /// <summary>
+        /// Register a continuous load from a device connected to the powernet
+        /// </summary>
+        public void AddDevice(PowerDeviceComponent device)
+        {
+            Deviceloadlist.Add(device);
+            Load += device.Load;
+            if (!device.Powered)
+                DepoweredDevices.Add(device);
+        }
+
+        /// <summary>
+        /// Update one of the loads from a deviceconnected to the powernet
+        /// </summary>
+        public void UpdateDevice(PowerDeviceComponent device, float oldLoad)
+        {
+            if(Deviceloadlist.Contains(device))
+            {
+                Load -= oldLoad;
+                Load += device.Load;
+            }
+        }
+
+        /// <summary>
+        /// Remove a continuous load from a device connected to the powernet
+        /// </summary>
+        public void RemoveDevice(PowerDeviceComponent device)
+        {
+            if(Deviceloadlist.Contains(device))
+            {
+                Load -= device.Load;
+                Deviceloadlist.Remove(device);
+                if (DepoweredDevices.Contains(device))
+                    DepoweredDevices.Remove(device);
+            }
+            else
+            {
+                var name = device.Owner.Prototype.Name;
+                Logger.Log(String.Format("We tried to remove a device twice from the same powernet somehow, prototype {0}", name));
+            }
+        }
+
+        /// <summary>
+        /// Register a power supply from a generator connected to the powernet
+        /// </summary>
+        public void AddGenerator(PowerGeneratorComponent generator)
+        {
+            Generatorlist.Add(generator, generator.Supply);
+            Supply += generator.Supply;
+        }
+
+        /// <summary>
+        /// Update the value supplied from a generator connected to the powernet
+        /// </summary>
+        public void UpdateGenerator(PowerGeneratorComponent generator)
+        {
+            if (Generatorlist.ContainsKey(generator))
+            {
+                Supply -= Generatorlist[generator];
+                Generatorlist[generator] = generator.Supply;
+                Supply += generator.Supply;
+            }
+        }
+
+        /// <summary>
+        /// Remove a power supply from a generator connected to the powernet
+        /// </summary>
+        public void RemoveGenerator(PowerGeneratorComponent generator)
+        {
+            if (Generatorlist.ContainsKey(generator))
+            {
+                Supply -= Generatorlist[generator];
+                Generatorlist.Remove(generator);
+            }
+            else
+            {
+                var name = generator.Owner.Prototype.Name;
+                Logger.Log(String.Format("We tried to remove a device twice from the same power somehow, prototype {1}", name));
+            }
+        }
+
+        /// <summary>
+        /// Register a power supply from a generator connected to the powernet
+        /// </summary>
+        public void AddPowerStorage(PowerStorageComponent storage)
+        {
+            if(storage.ChargePowernet)
+                PowerStorageSupplierlist.Add(storage);
+            else
+                PowerStorageConsumerlist.Add(storage);
+        }
+        
+        //How do I even call this? TODO: fix
+        public void UpdateStorageType(PowerStorageComponent storage)
+        {
+            //If our chargepowernet settings change we need to tell the powernet of this new setting and remove traces of our old setting
+            if (PowerStorageSupplierlist.Contains(storage))
+                PowerStorageSupplierlist.Remove(storage);
+            if (PowerStorageConsumerlist.Contains(storage))
+                PowerStorageConsumerlist.Remove(storage);
+
+            //Apply new setting
+            if (storage.ChargePowernet)
+                PowerStorageSupplierlist.Add(storage);
+            else
+                PowerStorageConsumerlist.Add(storage);
+        }
+
+        /// <summary>
+        /// Remove a power supply from a generator connected to the powernet
+        /// </summary>
+        public void RemovePowerStorage(PowerStorageComponent storage)
+        {
+            if (PowerStorageSupplierlist.Contains(storage))
+            {
+                PowerStorageSupplierlist.Remove(storage);
+            }
+            if (PowerStorageConsumerlist.Contains(storage))
+            {
+                PowerStorageSupplierlist.Remove(storage);
+            }
+        }
+        #endregion Registration
+    }
+}

Content.Server/GameObjects/Components/Projectiles/ProjectileComponent.cs

@@ -0,0 +1,61 @@
+using SS14.Shared.GameObjects;
+using SS14.Shared.Interfaces.GameObjects;
+using SS14.Shared.Interfaces.Physics;
+using SS14.Shared.Interfaces.GameObjects.Components;
+using System;
+using System.Collections.Generic;
+using YamlDotNet.RepresentationModel;
+using SS14.Shared.Utility;
+
+namespace Content.Server.GameObjects.Components.Projectiles
+{
+    public class ProjectileComponent : Component, ICollideSpecial, ICollideBehavior
+    {
+        public override string Name => "Projectile";
+
+        public bool IgnoreShooter = true;
+
+        private EntityUid Shooter = EntityUid.Invalid;
+
+        public Dictionary<DamageType, int> damages = new Dictionary<DamageType, int>();
+
+        /// <summary>
+        /// Function that makes the collision of this object ignore a specific entity so we don't collide with ourselves
+        /// </summary>
+        /// <param name="shooter"></param>
+        public void IgnoreEntity(IEntity shooter)
+        {
+            Shooter = shooter.Uid;
+        }
+
+        /// <summary>
+        /// Special collision override, can be used to give custom behaviors deciding when to collide
+        /// </summary>
+        /// <param name="collidedwith"></param>
+        /// <returns></returns>
+        bool ICollideSpecial.PreventCollide(ICollidable collidedwith)
+        {
+            if (IgnoreShooter && collidedwith.Owner.Uid == Shooter)
+                return true;
+            return false;
+        }
+
+        /// <summary>
+        /// Applys the damage when our projectile collides with its victim
+        /// </summary>
+        /// <param name="collidedwith"></param>
+        void ICollideBehavior.CollideWith(List<IEntity> collidedwith)
+        {
+            foreach(var entity in collidedwith)
+            {
+                if(entity.TryGetComponent(out DamageableComponent damage))
+                {
+                    damage.TakeDamage(DamageType.Brute, 10);
+                }
+            }
+
+            if (collidedwith.Count > 0)
+                Owner.Delete();
+        }
+    }
+}

Content.Server/GameObjects/Components/Temperature/TemperatureComponent.cs

@@ -0,0 +1,65 @@
+using Content.Server.Interfaces.GameObjects;
+using Content.Shared.Maths;
+using System;
+using SS14.Shared.GameObjects;
+using SS14.Shared.Utility;
+using YamlDotNet.RepresentationModel;
+using Content.Shared.GameObjects;
+
+namespace Content.Server.GameObjects
+{
+    /// <summary>
+    /// Handles changing temperature,
+    /// informing others of the current temperature,
+    /// and taking fire damage from high temperature.
+    /// </summary>
+    public class TemperatureComponent : Component, ITemperatureComponent
+    {
+        /// <inheritdoc />
+        public override string Name => "Temperature";
+
+        /// <inheritdoc />
+        public override uint? NetID => ContentNetIDs.TEMPERATURE;
+
+        //TODO: should be programmatic instead of how it currently is
+        public float CurrentTemperature { get; private set; } = PhysicalConstants.ZERO_CELCIUS;
+
+        float _fireDamageThreshold = 0;
+        float _fireDamageCoefficient = 1;
+
+        float _secondsSinceLastDamageUpdate = 0;
+
+        /// <inheritdoc />
+        public override void LoadParameters(YamlMappingNode mapping)
+        {
+            YamlNode node;
+
+            if (mapping.TryGetNode("firedamagethreshold", out node))
+            {
+                _fireDamageThreshold = node.AsFloat();
+            }
+            if (mapping.TryGetNode("firedamagecoefficient", out node))
+            {
+                _fireDamageCoefficient = node.AsFloat();
+            }
+        }
+
+        /// <inheritdoc />
+        public override void Update(float frameTime)
+        {
+            base.Update(frameTime);
+
+            int fireDamage = (int)Math.Floor(Math.Max(0, CurrentTemperature - _fireDamageThreshold) / _fireDamageCoefficient);
+
+            _secondsSinceLastDamageUpdate += frameTime;
+
+            Owner.TryGetComponent<DamageableComponent>(out DamageableComponent component);
+
+            while (_secondsSinceLastDamageUpdate >= 1)
+            {
+                component?.TakeDamage(DamageType.Heat, fireDamage);
+                _secondsSinceLastDamageUpdate -= 1;
+            }
+        }
+    }
+}

Content.Server/GameObjects/Components/Weapon/Melee/MeleeWeaponComponent.cs

@@ -0,0 +1,52 @@
+using System;
+using SS14.Shared.GameObjects;
+using SS14.Shared.GameObjects.Serialization;
+using Content.Server.GameObjects.EntitySystems;
+using SS14.Shared.Interfaces.GameObjects;
+using SS14.Shared.Map;
+using SS14.Shared.IoC;
+using SS14.Server.GameObjects;
+using SS14.Shared.Maths;
+using SS14.Server.Interfaces.GameObjects;
+using SS14.Shared.Interfaces.Timing;
+using SS14.Shared.GameObjects.EntitySystemMessages;
+
+namespace Content.Server.GameObjects.Components.Weapon.Melee
+{
+    public class MeleeWeaponComponent : Component, IAfterAttack
+    {
+        public override string Name => "MeleeWeapon";
+
+        public int Damage = 1;
+        public float Range = 1;
+        public float ArcWidth = 90;
+
+        public override void ExposeData(EntitySerializer serializer)
+        {
+            base.ExposeData(serializer);
+
+            serializer.DataField(ref Damage, "damage", 5);
+            serializer.DataField(ref Range, "damage", 1);
+            serializer.DataField(ref ArcWidth, "damage", 90);
+
+        }
+
+        void IAfterAttack.Afterattack(IEntity user, LocalCoordinates clicklocation)
+        {
+            var location = user.GetComponent<TransformComponent>().LocalPosition;
+            var angle = new Angle(clicklocation.ToWorld().Position - location.ToWorld().Position);
+            var entities = IoCManager.Resolve<IServerEntityManager>().GetEntitiesInArc(user.GetComponent<TransformComponent>().LocalPosition, Range, angle, ArcWidth);
+
+            foreach(var entity in entities)
+            {
+                if (!entity.GetComponent<TransformComponent>().IsMapTransform || entity == user)
+                    continue;
+                
+                if(entity.TryGetComponent(out DamageableComponent damagecomponent))
+                {
+                    damagecomponent.TakeDamage(DamageType.Brute, Damage);
+                }
+            }
+        }
+    }
+}

Content.Server/GameObjects/Components/Weapon/Ranged/Hitscan/HitscanWeaponComponent.cs

@@ -0,0 +1,61 @@
+using SS14.Server.GameObjects;
+using SS14.Server.GameObjects.EntitySystems;
+using SS14.Shared.GameObjects;
+using SS14.Shared.GameObjects.EntitySystemMessages;
+using SS14.Shared.Interfaces.GameObjects;
+using SS14.Shared.Interfaces.Physics;
+using SS14.Shared.Interfaces.Timing;
+using SS14.Shared.IoC;
+using SS14.Shared.Map;
+using SS14.Shared.Maths;
+using SS14.Shared.Physics;
+using System;
+
+namespace Content.Server.GameObjects.Components.Weapon.Ranged.Hitscan
+{
+    public class HitscanWeaponComponent : RangedWeaponComponent
+    {
+        public override string Name => "HitscanWeapon";
+
+        string spritename = "laser";
+        
+        protected override void Fire(IEntity user, LocalCoordinates clicklocation)
+        {
+            var userposition = user.GetComponent<TransformComponent>().WorldPosition; //Remember world positions are ephemeral and can only be used instantaneously
+            var angle = new Angle(clicklocation.Position - userposition);
+            var theta = angle.Theta;
+            
+            var ray = new Ray(userposition, angle.ToVec());
+            var raycastresults = IoCManager.Resolve<ICollisionManager>().IntersectRay(ray, 20, Owner.GetComponent<TransformComponent>().GetMapTransform().Owner);
+
+            Hit(raycastresults);
+            AfterEffects(user, raycastresults, theta);
+        }
+
+        protected virtual void Hit(RayCastResults ray)
+        {
+            if(ray.HitEntity != null && ray.HitEntity.TryGetComponent(out DamageableComponent damage))
+            {
+                damage.TakeDamage(DamageType.Heat, 10);
+            }
+        }
+        
+        protected virtual void AfterEffects(IEntity user, RayCastResults ray, double theta)
+        {
+            var time = IoCManager.Resolve<IGameTiming>().CurTime;
+            EffectSystemMessage message = new EffectSystemMessage
+            {
+                EffectSprite = spritename,
+                Born = time,
+                DeathTime = time + TimeSpan.FromSeconds(1),
+                Size = new Vector2(ray.Distance, 1f),
+                Coordinates = user.GetComponent<TransformComponent>().LocalPosition,
+                //Rotated from east facing
+                Rotation = (float)theta,
+                ColorDelta = new Vector4(0, 0, 0, -1500f),
+                Color = new Vector4(255,255,255,750)
+            };
+            IoCManager.Resolve<IEntitySystemManager>().GetEntitySystem<EffectSystem>().CreateParticle(message);
+        }
+    }
+}

Content.Server/GameObjects/Components/Weapon/Ranged/Projectile/ProjectileWeapon.cs

@@ -0,0 +1,40 @@
+using Content.Server.GameObjects.Components.Projectiles;
+using SS14.Server.GameObjects;
+using SS14.Server.Interfaces.GameObjects;
+using SS14.Shared.Interfaces.GameObjects;
+using SS14.Shared.IoC;
+using SS14.Shared.Map;
+using SS14.Shared.Maths;
+
+namespace Content.Server.GameObjects.Components.Weapon.Ranged.Projectile
+{
+    public class ProjectileWeaponComponent : RangedWeaponComponent
+    {
+        public override string Name => "ProjectileWeapon";
+
+        private string _ProjectilePrototype = "ProjectileBullet";
+
+        private float _velocity = 20f;
+
+        protected override void Fire(IEntity user, LocalCoordinates clicklocation)
+        {
+            var userposition = user.GetComponent<TransformComponent>().LocalPosition; //Remember world positions are ephemeral and can only be used instantaneously
+            var angle = new Angle(clicklocation.Position - userposition.Position);
+
+            var theta = angle.Theta;
+
+
+            //Spawn the projectileprototype
+            IEntity projectile = IoCManager.Resolve<IServerEntityManager>().ForceSpawnEntityAt(_ProjectilePrototype, userposition);
+
+            //Give it the velocity we fire from this weapon, and make sure it doesn't shoot our character
+            projectile.GetComponent<ProjectileComponent>().IgnoreEntity(user);
+
+            //Give it the velocity this weapon gives to things it fires from itself
+            projectile.GetComponent<PhysicsComponent>().LinearVelocity = angle.ToVec() * _velocity;
+
+            //Rotate the bullets sprite to the correct direction, from north facing I guess
+            projectile.GetComponent<TransformComponent>().LocalRotation = angle.Theta;
+        }
+    }
+}

Content.Server/GameObjects/Components/Weapon/Ranged/RangedWeapon.cs

@@ -0,0 +1,35 @@
+using SS14.Shared.GameObjects;
+using Content.Server.GameObjects.EntitySystems;
+using SS14.Shared.Interfaces.GameObjects;
+using SS14.Shared.Map;
+
+namespace Content.Server.GameObjects.Components.Weapon.Ranged
+{
+    public class RangedWeaponComponent : Component, IAfterAttack
+    {
+        public override string Name => "RangedWeapon";
+
+        void IAfterAttack.Afterattack(IEntity user, LocalCoordinates clicklocation)
+        {
+            if(UserCanFire(user) && WeaponCanFire())
+            {
+                Fire(user, clicklocation);
+            }
+        }
+
+        protected virtual bool WeaponCanFire()
+        {
+            return true;
+        }
+
+        protected virtual bool UserCanFire(IEntity user)
+        {
+            return true;
+        }
+
+        protected virtual void Fire(IEntity user, LocalCoordinates clicklocation)
+        {
+            return;
+        }
+    }
+}

Content.Server/GameObjects/EntitySystems/InteractionSystem.cs

@@ -0,0 +1,331 @@
+using Content.Server.Interfaces.GameObjects;
+using SS14.Server.Interfaces.GameObjects;
+using SS14.Shared.GameObjects;
+using SS14.Shared.GameObjects.System;
+using SS14.Shared.Interfaces.GameObjects;
+using System.Collections.Generic;
+using System.Linq;
+using SS14.Shared.Input;
+using SS14.Shared.Interfaces.Network;
+using SS14.Shared.IoC;
+using SS14.Server.Interfaces.Player;
+using SS14.Shared.Log;
+using SS14.Shared.Map;
+using SS14.Server.GameObjects;
+
+namespace Content.Server.GameObjects.EntitySystems
+{
+    /// <summary>
+    /// This interface gives components behavior when being clicked on or "attacked" by a user with an object in their hand
+    /// </summary>
+    public interface IAttackby
+    {
+        /// <summary>
+        /// Called when using one object on another
+        /// </summary>
+        /// <param name="user"></param>
+        /// <param name="attackwith"></param>
+        /// <returns></returns>
+        bool Attackby(IEntity user, IEntity attackwith);
+    }
+
+    /// <summary>
+    /// This interface gives components behavior when being clicked on or "attacked" by a user with an empty hand
+    /// </summary>
+    public interface IAttackHand
+    {
+        /// <summary>
+        /// Called when a player directly interacts with an empty hand
+        /// </summary>
+        /// <param name="user"></param>
+        /// <returns></returns>
+        bool Attackhand(IEntity user);
+    }
+
+    /// <summary>
+    /// This interface gives components behavior when being clicked by objects outside the range of direct use
+    /// </summary>
+    public interface IRangedAttackby
+    {
+        /// <summary>
+        /// Called when we try to interact with an entity out of range
+        /// </summary>
+        /// <param name="user"></param>
+        /// <param name="attackwith"></param>
+        /// <param name="clicklocation"></param>
+        /// <returns></returns>
+        bool RangedAttackby(IEntity user, IEntity attackwith, LocalCoordinates clicklocation);
+    }
+
+    /// <summary>
+    /// This interface gives components a behavior when clicking on another object and no interaction occurs
+    /// Doesn't pass what you clicked on as an argument, but if it becomes necessary we can add it later
+    /// </summary>
+    public interface IAfterAttack
+    {
+        /// <summary>
+        /// Called when we interact with nothing, or when we interact with an entity out of range that has no behavior
+        /// </summary>
+        /// <param name="user"></param>
+        /// <param name="clicklocation"></param>
+        void Afterattack(IEntity user, LocalCoordinates clicklocation);
+    }
+
+    /// <summary>
+    /// This interface gives components behavior when using the entity in your hands
+    /// </summary>
+    public interface IUse
+    {
+        /// <summary>
+        /// Called when we activate an object we are holding to use it
+        /// </summary>
+        /// <param name="user"></param>
+        /// <returns></returns>
+        bool UseEntity(IEntity user);
+    }
+
+    /// <summary>
+    /// Governs interactions during clicking on entities
+    /// </summary>
+    public class InteractionSystem : EntitySystem
+    {
+        private const float INTERACTION_RANGE = 2;
+        private const float INTERACTION_RANGE_SQUARED = INTERACTION_RANGE * INTERACTION_RANGE;
+
+        /// <inheritdoc />
+        public override void RegisterMessageTypes()
+        {
+            base.RegisterMessageTypes();
+
+            RegisterMessageType<ClickEventMessage>();
+        }
+
+        //Grab click events sent from the client input system
+        public override void HandleNetMessage(INetChannel channel, EntitySystemMessage message)
+        {
+            base.HandleNetMessage(channel, message);
+
+            var playerMan = IoCManager.Resolve<IPlayerManager>();
+            var session = playerMan.GetSessionByChannel(channel);
+            var playerentity = session.AttachedEntity;
+
+            if (playerentity == null)
+                return;
+
+            switch (message)
+            {
+                case ClickEventMessage msg:
+                    UserInteraction(msg, playerentity);
+                    break;
+            }
+        }
+
+        private void UserInteraction(ClickEventMessage msg, IEntity player)
+        {
+            //Verify click type
+            if (msg.Click != ClickType.Left)
+                return;
+
+            //Get entity clicked upon from UID if valid UID, if not assume no entity clicked upon and null
+            IEntity attacked = null;
+            if (msg.Uid.IsValid())
+                attacked = EntityManager.GetEntity(msg.Uid);
+            
+            //Verify player has a transform component
+            if (!player.TryGetComponent<IServerTransformComponent>(out var playerTransform))
+            {
+                return;
+            }
+            //Verify player is on the same map as the entity he clicked on
+            else if (msg.Coordinates.MapID != playerTransform.MapID)
+            {
+                Logger.Warning(string.Format("Player named {0} clicked on a map he isn't located on", player.Name));
+                return;
+            }
+
+            //Verify player has a hand, and find what object he is currently holding in his active hand
+            if (!player.TryGetComponent<IHandsComponent>(out var hands))
+            {
+                return;
+            }
+            var item = hands.GetHand(hands.ActiveIndex)?.Owner;
+
+
+            //TODO: Mob status code that allows or rejects interactions based on current mob status
+            //Check if client should be able to see that object to click on it in the first place, prevent using locaters by firing a laser or something
+
+            //Off entity click handling
+            if (attacked == null)
+            {
+                if(item != null)
+                {
+                    //AFTERATTACK: Check if we clicked on an empty location, if so the only interaction we can do is afterattack
+                    InteractAfterattack(player, item, msg.Coordinates);
+                    return;
+                }
+                return;
+            }
+            //USE: Check if we clicked on the item we are holding in our active hand to use it
+            else if(attacked == item && item != null)
+            {
+                UseInteraction(player, item);
+                return;
+            }
+
+            //Check if ClickLocation is in object bounds here, if not lets log as warning and see why
+            if(attacked != null && attacked.TryGetComponent(out BoundingBoxComponent boundingbox))
+            {
+                if (!boundingbox.WorldAABB.Contains(msg.Coordinates.Position))
+                {
+                    Logger.Warning(string.Format("Player {0} clicked {1} outside of its bounding box component somehow", player.Name, attacked.Name));
+                    return;
+                }
+            }
+
+            //RANGEDATTACK/AFTERATTACK: Check distance between user and clicked item, if too large parse it in the ranged function
+            //TODO: have range based upon the item being used? or base it upon some variables of the player himself?
+            var distance = (playerTransform.WorldPosition - attacked.GetComponent<IServerTransformComponent>().WorldPosition).LengthSquared;
+            if (distance > INTERACTION_RANGE_SQUARED)
+            {
+                if(item != null)
+                {
+                    RangedInteraction(player, item, attacked, msg.Coordinates);
+                    return;
+                }
+                return; //Add some form of ranged attackhand here if you need it someday, or perhaps just ways to modify the range of attackhand
+            }
+            
+            //We are close to the nearby object and the object isn't contained in our active hand
+            //ATTACKBY/AFTERATTACK: We will either use the item on the nearby object
+            if (item != null)
+            {
+                Interaction(player, item, attacked, msg.Coordinates);
+            }
+            //ATTACKHAND: Since our hand is empty we will use attackhand
+            else
+            {
+                Interaction(player, attacked);
+            }
+        }
+
+        /// <summary>
+        /// We didn't click on any entity, try doing an afterattack on the click location
+        /// </summary>
+        /// <param name="user"></param>
+        /// <param name="weapon"></param>
+        /// <param name="clicklocation"></param>
+        private void InteractAfterattack(IEntity user, IEntity weapon, LocalCoordinates clicklocation)
+        {
+            List<IAfterAttack> afterattacks = weapon.GetComponents<IAfterAttack>().ToList();
+
+            for (var i = 0; i < afterattacks.Count; i++)
+            {
+                afterattacks[i].Afterattack(user, clicklocation);
+            }
+        }
+
+        /// <summary>
+        /// Uses a weapon/object on an entity
+        /// Finds interactable components with the Attackby interface and calls their function
+        /// </summary>
+        /// <param name="user"></param>
+        /// <param name="weapon"></param>
+        /// <param name="attacked"></param>
+        public static void Interaction(IEntity user, IEntity weapon, IEntity attacked, LocalCoordinates clicklocation)
+        {
+            List<IAttackby> interactables = attacked.GetComponents<IAttackby>().ToList();
+
+            for(var i = 0; i < interactables.Count; i++)
+            {
+                if (interactables[i].Attackby(user, weapon)) //If an attackby returns a status completion we finish our attack
+                {
+                    return;
+                }
+            }
+
+            //Else check damage component to see if we damage if not attackby, and if so can we attack object
+
+
+            //If we aren't directly attacking the nearby object, lets see if our item has an after attack we can do
+            List<IAfterAttack> afterattacks = weapon.GetComponents<IAfterAttack>().ToList();
+
+            for (var i = 0; i < afterattacks.Count; i++)
+            {
+                afterattacks[i].Afterattack(user, clicklocation);
+            }
+        }
+
+        /// <summary>
+        /// Uses an empty hand on an entity
+        /// Finds interactable components with the Attackhand interface and calls their function
+        /// </summary>
+        /// <param name="user"></param>
+        /// <param name="attacked"></param>
+        public static void Interaction(IEntity user, IEntity attacked)
+        {
+            List<IAttackHand> interactables = attacked.GetComponents<IAttackHand>().ToList();
+
+            for (var i = 0; i < interactables.Count; i++)
+            {
+                if (interactables[i].Attackhand(user)) //If an attackby returns a status completion we finish our attack
+                {
+                    return;
+                }
+            }
+
+            //Else check damage component to see if we damage if not attackby, and if so can we attack object
+        }
+
+        /// <summary>
+        /// Activates/Uses an object in control/possession of a user
+        /// If the item has the IUse interface on one of its components we use the object in our hand
+        /// </summary>
+        /// <param name="user"></param>
+        /// <param name="attacked"></param>
+        public static void UseInteraction(IEntity user, IEntity used)
+        {
+            List<IUse> usables = used.GetComponents<IUse>().ToList();
+
+            //Try to use item on any components which have the interface
+            for (var i = 0; i < usables.Count; i++)
+            {
+                if (usables[i].UseEntity(user)) //If an attackby returns a status completion we finish our attack
+                {
+                    return;
+                }
+            }
+        }
+
+        /// <summary>
+        /// Will have two behaviors, either "uses" the weapon at range on the entity if it is capable of accepting that action
+        /// Or it will use the weapon itself on the position clicked, regardless of what was there
+        /// </summary>
+        /// <param name="user"></param>
+        /// <param name="weapon"></param>
+        /// <param name="attacked"></param>
+        public static void RangedInteraction(IEntity user, IEntity weapon, IEntity attacked, LocalCoordinates clicklocation)
+        {
+            List<IRangedAttackby> rangedusables = attacked.GetComponents<IRangedAttackby>().ToList();
+
+            //See if we have a ranged attack interaction
+            for (var i = 0; i < rangedusables.Count; i++)
+            {
+                if (rangedusables[i].RangedAttackby(user, weapon, clicklocation)) //If an attackby returns a status completion we finish our attack
+                {
+                    return;
+                }
+            }
+
+            if(weapon != null)
+            {
+                List<IAfterAttack> afterattacks = weapon.GetComponents<IAfterAttack>().ToList();
+
+                //See if we have a ranged attack interaction
+                for (var i = 0; i < afterattacks.Count; i++)
+                {
+                    afterattacks[i].Afterattack(user, clicklocation);
+                }
+            }
+        }
+    }
+}

Content.Server/GameObjects/EntitySystems/PowerSystem.cs

@@ -0,0 +1,47 @@
+using Content.Server.GameObjects.Components.Power;
+using SS14.Shared.GameObjects.System;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Content.Shared.GameObjects.EntitySystems
+{
+    public class PowerSystem : EntitySystem
+    {
+        public List<Powernet> Powernets = new List<Powernet>();
+
+        public override void Update(float frametime)
+        {
+            for (int i = 0; i < Powernets.Count; i++)
+            {
+                var powernet = Powernets[i];
+                if (powernet.Dirty)
+                {
+                    //Tell all the wires of this net to be prepared to create/join new powernets
+                    foreach (var wire in powernet.Wirelist)
+                    {
+                        wire.Regenerating = true;
+                    }
+
+                    foreach (var wire in powernet.Wirelist)
+                    {
+                        //Only a few wires should pass this if check since each will create and take all the others into its powernet
+                        if (wire.Regenerating)
+                            wire.SpreadPowernet();
+                    }
+
+                    //At this point all wires will have found/joined new powernet, all capable nodes will have joined them as well and removed themselves from nodelist
+                    powernet.DirtyKill();
+                    i--;
+                }
+            }
+
+            foreach(var powernet in Powernets)
+            {
+                powernet.Update(frametime);
+            }
+        }
+    }
+}

Content.Server/Interfaces/GameObjects/Components/Damage/IDamageableComponent.cs

@@ -0,0 +1,30 @@
+using Content.Server.GameObjects;
+using SS14.Shared.Interfaces.GameObjects;
+using System;
+
+namespace Content.Server.Interfaces.GameObjects
+{
+    public interface IDamageableComponent : IComponent
+    {
+        event EventHandler<DamageThresholdPassedEventArgs> DamageThresholdPassed;
+        ResistanceSet Resistances { get; }
+
+        /// <summary>
+        /// The function that handles receiving damage.
+        /// Converts damage via the resistance set then applies it
+        /// and informs components of thresholds passed as necessary.
+        /// </summary>
+        /// <param name="damageType">Type of damage being received.</param>
+        /// <param name="amount">Amount of damage being received.</param>
+        void TakeDamage(DamageType damageType, int amount);
+
+        /// <summary>
+        /// Handles receiving healing.
+        /// Converts healing via the resistance set then applies it
+        /// and informs components of thresholds passed as necessary.
+        /// </summary>
+        /// <param name="damageType">Type of damage being received.</param>
+        /// <param name="amount">Amount of damage being received.</param>
+        void TakeHealing(DamageType damageType, int amount);
+    }
+}

Content.Server/Interfaces/GameObjects/Components/Items/IHandsComponent.cs

@@ -0,0 +1,99 @@
+using SS14.Shared.Interfaces.GameObjects;
+using System.Collections.Generic;
+
+namespace Content.Server.Interfaces.GameObjects
+{
+    public interface IHandsComponent : IComponent
+    {
+        /// <summary>
+        ///     The hand index of the currently active hand.
+        /// </summary>
+        string ActiveIndex { get; set; }
+
+        /// <summary>
+        ///     Enumerates over every held item.
+        /// </summary>
+        IEnumerable<IItemComponent> GetAllHeldItems();
+
+        /// <summary>
+        ///     Gets the item held by a hand.
+        /// </summary>
+        /// <param name="index">The index of the hand to get.</param>
+        /// <returns>The item in the held, null if no item is held</returns>
+        IItemComponent GetHand(string index);
+
+        /// <summary>
+        ///     Puts an item into any empty hand, preferring the active hand.
+        /// </summary>
+        /// <param name="item">The item to put in a hand.</param>
+        /// <returns>True if the item was inserted, false otherwise.</returns>
+        bool PutInHand(IItemComponent item);
+
+        /// <summary>
+        ///     Puts an item into a specific hand.
+        /// </summary>
+        /// <param name="item">The item to put in the hand.</param>
+        /// <param name="index">The index of the hand to put the item into.</param>
+        /// <param name="fallback">
+        ///     If true and the provided hand is full, the method will fall back to <see cref="PutInHand(IItemComponent)" />
+        /// </param>
+        /// <returns>True if the item was inserted into a hand, false otherwise.</returns>
+        bool PutInHand(IItemComponent item, string index, bool fallback=true);
+
+        /// <summary>
+        ///     Checks to see if an item can be put in any hand.
+        /// </summary>
+        /// <param name="item">The item to check for.</param>
+        /// <returns>True if the item can be inserted, false otherwise.</returns>
+        bool CanPutInHand(IItemComponent item);
+
+        /// <summary>
+        ///     Checks to see if an item can be put in the specified hand.
+        /// </summary>
+        /// <param name="item">The item to check for.</param>
+        /// <param name="index">The index for the hand to check for.</param>
+        /// <returns>True if the item can be inserted, false otherwise.</returns>
+        bool CanPutInHand(IItemComponent item, string index);
+
+        /// <summary>
+        ///     Drops an item on the ground, removing it from the hand.
+        /// </summary>
+        /// <param name="index">The hand to drop from.</param>
+        /// <returns>True if an item was successfully dropped, false otherwise.</returns>
+        bool Drop(string index);
+
+        /// <summary>
+        ///     Checks whether the item in the specified hand can be dropped.
+        /// </summary>
+        /// <param name="index">The hand to check for.</param>
+        /// <returns>
+        ///     True if the item can be dropped, false if the hand is empty or the item in the hand cannot be dropped.
+        /// </returns>
+        bool CanDrop(string index);
+
+        /// <summary>
+        ///     Adds a new hand to this hands component.
+        /// </summary>
+        /// <param name="index">The name of the hand to add.</param>
+        /// <exception cref="InvalidOperationException">
+        ///     Thrown if a hand with specified name already exists.
+        /// </exception>
+        void AddHand(string index);
+
+        /// <summary>
+        ///     Removes a hand from this hands component.
+        /// </summary>
+        /// <remarks>
+        ///     If the hand contains an item, the item is dropped.
+        /// </remarks>
+        /// <param name="index">The name of the hand to remove.</param>
+        void RemoveHand(string index);
+
+        /// <summary>
+        ///     Checks whether a hand with the specified name exists.
+        /// </summary>
+        /// <param name="index">The hand name to check.</param>
+        /// <returns>True if the hand exists, false otherwise.</returns>
+        bool HasHand(string index);
+    }
+}

Content.Server/Interfaces/GameObjects/Components/Items/IInventoryComponent.cs

@@ -0,0 +1,101 @@
+using SS14.Server.Interfaces.GameObjects;
+using SS14.Shared.Interfaces.GameObjects;
+using System;
+
+namespace Content.Server.Interfaces.GameObjects
+{
+    public interface IInventoryComponent : IComponent
+    {
+        /// <summary>
+        ///     Gets the item in the specified slot.
+        /// </summary>
+        /// <param name="slot">The slot to get the item for.</param>
+        /// <returns>Null if the slot is empty, otherwise the item.</returns>
+        IItemComponent Get(string slot);
+
+        /// <summary>
+        ///     Gets the slot with specified name.
+        ///     This gets the slot, NOT the item contained therein.
+        /// </summary>
+        /// <param name="slot">The name of the slot to get.</param>
+        IInventorySlot GetSlot(string slot);
+
+        /// <summary>
+        ///     Puts an item in a slot.
+        /// </summary>
+        /// <remarks>
+        ///     This will fail if there is already an item in the specified slot.
+        /// </remarks>
+        /// <param name="slot">The slot to put the item in.</param>
+        /// <param name="item">The item to insert into the slot.</param>
+        /// <returns>True if the item was successfully inserted, false otherwise.</returns>
+        bool Insert(string slot, IItemComponent item);
+
+        /// <summary>
+        ///     Checks whether an item can be put in the specified slot.
+        /// </summary>
+        /// <param name="slot">The slot to check for.</param>
+        /// <param name="item">The item to check for.</param>
+        /// <returns>True if the item can be inserted into the specified slot.</returns>
+        bool CanInsert(string slot, IItemComponent item);
+
+        /// <summary>
+        ///     Drops the item in a slot.
+        /// </summary>
+        /// <param name="slot">The slot to drop the item from.</param>
+        /// <returns>True if an item was dropped, false otherwise.</returns>
+        bool Drop(string slot);
+
+        /// <summary>
+        ///     Checks whether an item can be dropped from the specified slot.
+        /// </summary>
+        /// <param name="slot">The slot to check for.</param>
+        /// <returns>
+        ///     True if there is an item in the slot and it can be dropped, false otherwise.
+        /// </returns>
+        bool CanDrop(string slot);
+
+        /// <summary>
+        ///     Adds a new slot to this inventory component.
+        /// </summary>
+        /// <param name="slot">The name of the slot to add.</param>
+        /// <exception cref="InvalidOperationException">
+        ///     Thrown if the slot with specified name already exists.
+        /// </exception>
+        IInventorySlot AddSlot(string slot);
+
+        /// <summary>
+        ///     Removes a slot from this inventory component.
+        /// </summary>
+        /// <remarks>
+        ///     If the slot contains an item, the item is dropped.
+        /// </remarks>
+        /// <param name="slot">The name of the slot to remove.</param>
+        void RemoveSlot(string slot);
+
+        /// <summary>
+        ///     Checks whether a slot with the specified name exists.
+        /// </summary>
+        /// <param name="slot">The slot name to check.</param>
+        /// <returns>True if the slot exists, false otherwise.</returns>
+        bool HasSlot(string slot);
+    }
+
+    public interface IInventorySlot
+    {
+        /// <summary>
+        /// The name of the slot.
+        /// </summary>
+        string Name { get; }
+
+        /// <summary>
+        /// The item contained in the slot, can be null.
+        /// </summary>
+        IItemComponent Item { get; }
+
+        /// <summary>
+        /// The component owning us.
+        /// </summary>
+        IInventoryComponent Owner { get; }
+    }
+}

Content.Server/Interfaces/GameObjects/Components/Items/IItemComponent.cs

@@ -0,0 +1,22 @@
+using SS14.Shared.Interfaces.GameObjects;
+
+namespace Content.Server.Interfaces.GameObjects
+{
+    public interface IItemComponent : IComponent
+    {
+        /// <summary>
+        ///     The inventory slot this item is stored in, if any.
+        /// </summary>
+        IInventorySlot ContainingSlot { get; }
+
+        /// <summary>
+        ///     Called when the item is removed from its inventory slot.
+        /// </summary>
+        void RemovedFromSlot();
+
+        /// <summary>
+        ///     Called when the item is inserted into a new inventory slot.
+        /// </summary>
+        void EquippedToSlot(IInventorySlot slot);
+    }
+}

Content.Server/Interfaces/GameObjects/Components/Temperature/ITemperatureComponent.cs

@@ -0,0 +1,9 @@
+using SS14.Shared.Interfaces.GameObjects;
+
+namespace Content.Server.Interfaces.GameObjects
+{
+    public interface ITemperatureComponent : IComponent
+    {
+        float CurrentTemperature { get; }
+    }
+}

Content.Server/Interfaces/GameObjects/IOnDamageBehavior.cs

@@ -0,0 +1,27 @@
+using System.Collections.Generic;
+using Content.Server.GameObjects;
+
+namespace Content.Server.Interfaces
+{
+    /// <summary>
+    /// Any component/entity that has behaviour linked to taking damage should implement this interface.
+    /// TODO: Don't know how to work around this currently, but due to how events work
+    /// you need to hook it up to the DamageableComponent via Initialize().
+    /// See DestructibleComponent.Initialize() for an example.
+    /// </summary>
+    interface IOnDamageBehavior
+    {
+        /// <summary>
+        /// Gets a list of all DamageThresholds this component/entity are interested in.
+        /// </summary>
+        /// <returns>List of DamageThresholds to be added to DamageableComponent for watching.</returns>
+        List<DamageThreshold> GetAllDamageThresholds();
+
+        /// <summary>
+        /// Damage threshold passed event hookup.
+        /// </summary>
+        /// <param name="obj">Damageable component.</param>
+        /// <param name="e">Damage threshold and whether it's passed in one way or another.</param>
+        void OnDamageThresholdPassed(object obj, DamageThresholdPassedEventArgs e);
+    }
+}

Content.Server/Placement/SpawnHelpers.cs

@@ -0,0 +1,30 @@
+using SS14.Server.Interfaces.GameObjects;
+using SS14.Shared.Interfaces.Map;
+using SS14.Shared.IoC;
+using SS14.Shared.Map;
+using SS14.Shared.Maths;
+
+namespace Content.Server.Placement
+{
+    /// <summary>
+    ///     Helper function for spawning more complex multi-entity structures
+    /// </summary>
+    public static class SpawnHelpers
+    {
+        /// <summary>
+        ///     Spawns a spotlight ground turret that will track any living entities in range.
+        /// </summary>
+        /// <param name="grid"></param>
+        /// <param name="localPosition"></param>
+        public static void SpawnLightTurret(IMapGrid grid, Vector2 localPosition)
+        {
+            var entMan = IoCManager.Resolve<IServerEntityManager>();
+            var tBase = entMan.SpawnEntity("TurretBase");
+            tBase.GetComponent<IServerTransformComponent>().LocalPosition = new LocalCoordinates(localPosition, grid);
+
+            var tTop = entMan.SpawnEntity("TurretTopLight");
+            tTop.GetComponent<IServerTransformComponent>().LocalPosition = new LocalCoordinates(localPosition, grid);
+            tTop.GetComponent<IServerTransformComponent>().AttachParent(tBase);
+        }
+    }
+}

Content.Server/app.config

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<configuration>
+  <runtime>
+    <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
+      <dependentAssembly>
+        <assemblyIdentity name="ICSharpCode.SharpZipLib" publicKeyToken="1b03e6acf1164f73" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-0.86.0.518" newVersion="0.86.0.518" />
+      </dependentAssembly>
+    </assemblyBinding>
+  </runtime>
+</configuration>

Content.Server/packages.config

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="OpenTK" version="3.0.0-pre" targetFramework="net451" />
+  <package id="System.ValueTuple" version="4.3.1" targetFramework="net451" />
+  <package id="YamlDotNet" version="4.3.0" targetFramework="net451" />
+</packages>

Content.Shared/Content.Shared.csproj

@@ -11,23 +11,31 @@
     <AssemblyName>Content.Shared</AssemblyName>
     <TargetFrameworkVersion>v4.5.1</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
+    <OutputPath>bin\x86\Debug\</OutputPath>
+    <ErrorReport>prompt</ErrorReport>
+    <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|x86'">
     <DebugSymbols>true</DebugSymbols>
-    <OutputPath>bin\x86\Debug\</OutputPath>
     <DefineConstants>DEBUG;TRACE</DefineConstants>
     <DebugType>full</DebugType>
     <PlatformTarget>x86</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
-    <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|x86'">
-    <OutputPath>bin\x86\Release\</OutputPath>
     <DefineConstants>TRACE</DefineConstants>
     <Optimize>true</Optimize>
     <PlatformTarget>x86</PlatformTarget>
-    <ErrorReport>prompt</ErrorReport>
-    <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|x64'">
+    <DebugSymbols>true</DebugSymbols>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <DebugType>full</DebugType>
+    <PlatformTarget>x64</PlatformTarget>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|x64'">
+    <DefineConstants>TRACE</DefineConstants>
+    <Optimize>true</Optimize>
+    <PlatformTarget>x64</PlatformTarget>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="System" />
@@ -38,10 +46,21 @@
     <Reference Include="System.Data" />
     <Reference Include="System.Net.Http" />
     <Reference Include="System.Xml" />
+    <Reference Include="OpenTK, Version=3.0.0.0, Culture=neutral, PublicKeyToken=bad199fe84eb3df4, processorArchitecture=MSIL">
+      <HintPath>$(SolutionDir)packages\OpenTK.3.0.0-pre\lib\net20\OpenTK.dll</HintPath>
+    </Reference>
+    <Reference Include="YamlDotNet, Version=4.3.0.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>$(SolutionDir)packages\YamlDotNet.4.3.0\lib\net45\YamlDotNet.dll</HintPath>
+    </Reference>
   </ItemGroup>
   <ItemGroup>
     <Compile Include="EntryPoint.cs" />
+    <Compile Include="GameObjects\Components\Doors\SharedDoorComponent.cs" />
+    <Compile Include="GameObjects\ContentNetIDs.cs" />
+    <Compile Include="GameObjects\PhysicalConstants.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="GameObjects\Components\Items\SharedHandsComponent.cs" />
+    <Compile Include="Maths\PhysicalConstants.cs" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\engine\Lidgren.Network\Lidgren.Network.csproj">
@@ -65,7 +84,8 @@
   <ItemDefinitionGroup>
     <Resource>
       <Visible>False</Visible>
-        <Prefix></Prefix>
+      <Prefix>
+      </Prefix>
     </Resource>
   </ItemDefinitionGroup>
   <ItemGroup>
@@ -74,6 +94,10 @@
       <Prefix>Prototypes\Content\</Prefix>
     </Resource>
   </ItemGroup>
+  <ItemGroup>
+    <None Include="app.config" />
+    <None Include="packages.config" />
+  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <Target Name="CopyResources">
     <Copy SourceFiles="@(Resource)" DestinationFiles="..\bin\Client\Resources\%(Prefix)%(RecursiveDir)%(Filename)%(Extension)" />

Content.Shared/GameObjects/Components/Doors/SharedDoorComponent.cs

@@ -0,0 +1,23 @@
+using System;
+using SS14.Shared.GameObjects;
+
+namespace Content.Shared.GameObjects
+{
+    public abstract class SharedDoorComponent : Component
+    {
+        public override string Name => "Door";
+        public override uint? NetID => ContentNetIDs.DOOR;
+        public override Type StateType => typeof(DoorComponentState);
+    }
+
+    [Serializable]
+    public class DoorComponentState : ComponentState
+    {
+        public readonly bool Opened;
+
+        public DoorComponentState(bool opened) : base(ContentNetIDs.DOOR)
+        {
+            Opened = opened;
+        }
+    }
+}

Content.Shared/GameObjects/Components/Items/SharedHandsComponent.cs

@@ -0,0 +1,27 @@
+using SS14.Shared.GameObjects;
+using System;
+using System.Collections.Generic;
+
+namespace Content.Shared.GameObjects
+{
+    public abstract class SharedHandsComponent : Component
+    {
+        public sealed override string Name => "Hands";
+        public sealed override uint? NetID => ContentNetIDs.HANDS;
+        public sealed override Type StateType => typeof(HandsComponentState);
+    }
+
+    // The IDs of the items get synced over the network.
+    [Serializable]
+    public class HandsComponentState : ComponentState
+    {
+        public readonly Dictionary<string, EntityUid> Hands;
+        public readonly string ActiveIndex;
+
+        public HandsComponentState(Dictionary<string, EntityUid> hands, string activeIndex) : base(ContentNetIDs.HANDS)
+        {
+            Hands = hands;
+            ActiveIndex = activeIndex;
+        }
+    }
+}

Content.Shared/GameObjects/ContentNetIDs.cs

@@ -0,0 +1,12 @@
+namespace Content.Shared.GameObjects
+{
+    // Starting from 1000 to avoid crossover with engine.
+    public static class ContentNetIDs
+    {
+        public const uint DAMAGEABLE = 1000;
+        public const uint DESTRUCTIBLE = 1001;
+        public const uint TEMPERATURE = 1002;
+        public const uint HANDS = 1003;
+        public const uint DOOR = 1004;
+    }
+}

Content.Shared/GameObjects/PhysicalConstants.cs

@@ -0,0 +1,10 @@
+namespace Content.Shared.GameObjects
+{
+    /// <summary>
+    /// Contains physical constants used in calculations.
+    /// </summary>
+    class PhysicalConstants
+    {
+        public const float ZERO_CELCIUS = 273.15f;
+    }
+}

Content.Shared/Maths/PhysicalConstants.cs

@@ -0,0 +1,10 @@
+namespace Content.Shared.Maths
+{
+    /// <summary>
+    ///     Contains physical constants used in calculations.
+    /// </summary>
+    public static class PhysicalConstants
+    {
+        public const float ZERO_CELCIUS = 273.15f;
+    }
+}

Content.Shared/app.config

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<configuration>
+  <runtime>
+    <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
+      <dependentAssembly>
+        <assemblyIdentity name="ICSharpCode.SharpZipLib" publicKeyToken="1b03e6acf1164f73" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-0.86.0.518" newVersion="0.86.0.518" />
+      </dependentAssembly>
+    </assemblyBinding>
+  </runtime>
+</configuration>

Content.Shared/packages.config

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="OpenTK" version="3.0.0-pre" targetFramework="net451" />
+  <package id="System.ValueTuple" version="4.3.1" targetFramework="net451" />
+  <package id="YamlDotNet" version="4.3.0" targetFramework="net451" />
+</packages>

Jenkinsfile

@@ -0,0 +1,19 @@
+pipeline {
+    agent any
+
+    stages {
+        stage('Setup') {
+            steps {
+                sh './RUN_THIS.py'
+                sh 'TMP=~/.cache/NuGet/ nuget restore'
+            }
+        }
+        stage('Build') {
+            steps {
+                sh './package_release_build.py'
+                archiveArtifacts artifacts: 'release/*.zip'
+                archiveArtifacts artifacts: 'engine/Resources/ResourcePack.zip'
+            }
+        }
+    }
+}

RUN_THIS.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python3
+#!/usr/bin/env python3
 
 # Import future so people on py2 still get the clear error that they need to upgrade.
 from __future__ import print_function

Resources/Prototypes/1_Temperature.yml

@@ -0,0 +1,23 @@
+- type: entity
+  id: thing_that_heats_up_on_its_own_and_dies
+  name: Thing that heats up on its own and dies
+  components:
+  - type: Transform
+  - type: Clickable
+  - type: Sprite
+    sprites:
+    - shoes
+
+  - type: Icon
+    icon: shoes
+
+  - type: Damageable
+    resistanceset: Standard
+
+  - type: Destructible
+    thresholdtype: Total
+    thresholdvalue: 100
+
+  - type: Temperature
+    firedamagethreshold: 200
+    firedamagecoefficient: 20

Resources/Prototypes/Entities/Clothing.yml

@@ -0,0 +1,23 @@
+- type: entity
+  parent: BaseItem
+  id: ShoesItem
+  name: Shoes
+  components:
+  - type: WearableAnimatedSprite
+    sprite: player_shoes
+    notWornSprite: shoes
+
+  - type: Icon
+    icon: shoes
+
+- type: entity
+  parent: BaseItem
+  id: JanitorUniformItem
+  name: Janitor Jumpsuit
+  components:
+  - type: WearableAnimatedSprite
+    sprite: player_jumpsuit_gray
+    notWornSprite: janitorsuit
+
+  - type: Icon
+    icon: janitorsuit

Resources/Prototypes/Entities/Door.yml

@@ -0,0 +1,24 @@
+- type: entity
+  id: DoorContent
+  name: Actual door
+  components:
+  - type: Transform
+  - type: Clickable
+  - type: Sprite
+    drawdepth: FloorPlaceable
+    sprites:
+    - door_ew
+    - door_ewo
+
+  - type: Icon
+    icon: door_ew
+
+  - type: BoundingBox
+    sizeX: 1.9
+    offsetY: 1.5
+  - type: Collidable
+  - type: Door
+
+  placement:
+    snap:
+    - Wall

Resources/Prototypes/Entities/HitscanWeapons.yml

@@ -0,0 +1,23 @@
+- type: entity
+  name: "LASER"
+  parent: BaseItem
+  id: LaserItem
+  components:
+  - type: WearableAnimatedSprite
+    notWornSprite: gun
+    sprite: gun
+  - type: Icon
+    icon: gun
+  - type: HitscanWeapon
+  
+- type: entity
+  name: GUN
+  parent: BaseItem
+  id: GUNITEM
+  components:
+  - type: WearableAnimatedSprite
+    notWornSprite: projectileweapon
+    sprite: projectileweapon
+  - type: Icon
+    icon: gun
+  - type: ProjectileWeapon

Resources/Prototypes/Entities/Items.yml

@@ -0,0 +1,67 @@
+- type: entity
+  name: "Item"
+  id: BaseItem
+  components:
+  - type: Transform
+  - type: Item
+  - type: Clickable
+  - type: BoundingBox
+  - type: Physics
+    mass: 5
+
+- type: entity
+  name: "Emergency Toolbox With Handle"
+  parent: BaseItem
+  id: RedToolboxItem
+  components:
+  - type: WearableAnimatedSprite
+    notWornSprite: toolbox_r
+    sprite: player_toolbox
+  - type: Icon
+    icon: toolbox_r
+
+- type: entity
+  name: "Mechanical Toolbox With Handle"
+  parent: BaseItem
+  id: BlueToolboxItem
+  components:
+  - type: WearableAnimatedSprite
+    notWornSprite: toolbox_b
+    sprite: player_toolbox
+  - type: Icon
+    icon: toolbox_b
+
+- type: entity
+  name: "Electrical Toolbox With Handle"
+  parent: BaseItem
+  id: YellowToolboxItem
+  components:
+  - type: WearableAnimatedSprite
+    notWornSprite: toolbox_y
+    sprite: player_toolbox
+  - type: Icon
+    icon: toolbox_y
+
+- type: entity
+  name: "Extra-Grip™ Mop"
+  parent: BaseItem
+  id: MopItem
+  components:
+  - type: WearableAnimatedSprite
+    notWornSprite: mop
+    sprite: player_mop
+  - type: Icon
+    sprite: mop
+
+#handheld lights
+- type: entity
+  name: "Lantern"
+  parent: BaseItem
+  id: FlashlightLantern
+  components:
+  - type: WearableAnimatedSprite
+    notWornSprite: Flashlight
+    sprite: player_Flashlight
+  - type: Icon
+    icon: Flashlight
+  - type: PointLight

Resources/Prototypes/Entities/Mobs.yml

@@ -0,0 +1,10 @@
+- type: entity
+  name: Urist McHands
+  id: HumanMob_Content
+  parent: __engine_human
+  components:
+  - type: Hands
+    hands:
+    - left
+    - right
+  - type: Inventory

Resources/Prototypes/Entities/Power.yml

@@ -0,0 +1,126 @@
+- type: entity
+  id: Wire
+  name: Wire
+  components:
+  - type: Transform
+  - type: Clickable
+  - type: BoundingBox
+  - type: Sprite
+    drawdepth: FloorPlaceable
+    color: Red
+    sprites:
+    - eightdirwire
+  - type: Icon
+    icon: eightdirwire
+  - type: PowerTransfer
+
+  snap:
+  - Wire
+
+- type: entity
+  parent: Wire
+  id: BlueWire
+  name: BlueWire
+  components:
+  - type: Sprite
+    color: Blue
+
+- type: entity
+  id: Generator
+  name: Generator
+  components:
+  - type: Transform
+  - type: Clickable
+  - type: BoundingBox
+  - type: Sprite
+    drawdepth: FloorPlaceable
+    sprites:
+    - generator
+  - type: Icon
+    icon: generator
+  - type: PowerGenerator
+  
+- type: entity
+  id: WPPnobattery
+  name: WPPnobattery
+  components:
+  - type: Transform
+  - type: Clickable
+  - type: BoundingBox
+  - type: Sprite
+    drawdepth: FloorPlaceable
+    sprites:
+    - provider
+  - type: Icon
+    icon: provider
+  - type: PowerProvider
+    Range: 5
+    Priority: Provider
+
+- type: entity
+  parent: WPPnobattery
+  id: WPP
+  name: WPP
+  components:
+  - type: PowerStorage
+    Capacity: 1000
+    Charge: 1000
+    ChargeRate: 200
+    ChargePowernet: false
+  
+  
+- type: entity
+  id: SMES
+  name: SMES
+  components:
+  - type: Transform
+  - type: Clickable
+  - type: BoundingBox
+  - type: Sprite
+    drawdepth: FloorPlaceable
+    sprites:
+    - storage
+  - type: Icon
+    icon: storage
+  - type: PowerStorage
+    Capacity: 3000
+    Charge: 1000
+    ChargeRate: 200
+    DistributionRate: 400
+    ChargePowernet: true
+
+- type: entity
+  id: WiredMachine
+  name: WiredMachine
+  components:
+  - type: Transform
+  - type: Clickable
+  - type: BoundingBox
+  - type: Sprite
+    drawdepth: FloorPlaceable
+    sprites:
+    - wiredmachine
+  - type: Icon
+    icon: wiredmachine
+  - type: PowerDevice
+    Drawtype: Node
+    Load: 100
+    Priority: High
+
+- type: entity
+  id: WirelessMachine
+  name: WirelessMachine
+  components:
+  - type: Transform
+  - type: Clickable
+  - type: BoundingBox
+  - type: Sprite
+    drawdepth: FloorPlaceable
+    sprites:
+    - wirelessmachine
+  - type: Icon
+    icon: wirelessmachine
+  - type: PowerDevice
+    Drawtype: Both
+    Load: 200
+    Priority: Low

Resources/Prototypes/Entities/Projectiles.yml

@@ -0,0 +1,17 @@
+- type: entity
+  id: ProjectileBullet
+  name: ProjectileBullet
+  components:
+  - type: Transform
+  - type: Sprite
+    drawdepth: FloorPlaceable
+    sprites:
+    - projectilebullet
+  - type: Icon
+    icon: projectilebullet
+  - type: BoundingBox
+  - type: Physics
+    edgeslide: false
+  - type: Projectile
+  - type: Collidable
+    hard: false

Resources/Prototypes/Entities/Tools.yml

@@ -0,0 +1,76 @@
+- type: entity
+  name: Wirecutter
+  parent: BaseItem
+  id: Wirecutter
+  components:
+  - type: Wirecutter
+  - type: WearableAnimatedSprite
+    notWornSprite: wirecutter
+    sprite: wirecutter
+  - type: Icon
+    icon: wirecutter
+  - type: MeleeWeapon
+    
+- type: entity
+  name: Screwdriver
+  parent: BaseItem
+  id: Screwdriver
+  components:
+  - type: Screwdriver
+  - type: WearableAnimatedSprite
+    notWornSprite: screwdriver
+    sprite: screwdriver
+  - type: Icon
+    icon: screwdriver
+  - type: MeleeWeapon
+
+- type: entity
+  name: Welder
+  parent: BaseItem
+  id: Welder
+  components:
+  - type: Welder
+  - type: WearableAnimatedSprite
+    notWornSprite: welder
+    sprite: welder
+  - type: Icon
+    icon: welder
+  - type: MeleeWeapon
+
+- type: entity
+  name: Wrench
+  parent: BaseItem
+  id: Wrench
+  components:
+  - type: Wrench
+  - type: WearableAnimatedSprite
+    notWornSprite: wrench
+    sprite: wrench
+  - type: Icon
+    icon: wrench
+  - type: MeleeWeapon
+    
+- type: entity
+  name: Crowbar
+  parent: BaseItem
+  id: Crowbar
+  components:
+  - type: Crowbar
+  - type: WearableAnimatedSprite
+    notWornSprite: crowbar
+    sprite: crowbar
+  - type: Icon
+    icon: crowbar
+  - type: MeleeWeapon
+    
+- type: entity
+  name: Multitool
+  parent: BaseItem
+  id: Multitool
+  components:
+  - type: Multitool
+  - type: WearableAnimatedSprite
+    notWornSprite: multitool
+    sprite: multitool
+  - type: Icon
+    icon: multitool

Resources/Prototypes/Entities/Turret.yml

@@ -0,0 +1,46 @@
+- type: entity
+  id: TurretBase
+  name: Turret Base
+  components:
+  - type: Transform
+  - type: Clickable
+  - type: BoundingBox
+  - type: Sprite
+    drawdepth: FloorPlaceable
+    sprites:
+    - TurrBase
+    
+- type: entity
+  id: TurretTopGun
+  name: Turret (Gun)
+  components:
+  - type: Transform
+  - type: Clickable
+  - type: BoundingBox
+  - type: Sprite
+    drawdepth: WallMountedItems
+    sprites:
+    - TurrTop
+  - type: AiController
+    logic: AimShootLife
+    vision: 6.0
+    
+- type: entity
+  id: TurretTopLight
+  name: Turret (Light)
+  components:
+  - type: Transform
+  - type: Clickable
+  - type: BoundingBox
+  - type: Sprite
+    drawdepth: WallMountedItems
+    sprites:
+    - TurrLamp
+  - type: AiController
+    logic: AimShootLife
+    vision: 6.0
+  - type: PointLight
+    radius: 512
+    mask: flashlight_mask
+    autoRot: true
+    

Resources/Prototypes/Entities/prototype_test.yml

@@ -0,0 +1,13 @@
+- type: entity
+  id: medkit_r
+  name: Medkit
+  components:
+  - type: Transform
+  - type: Clickable
+  - type: Sprite
+    sprites:
+    - medkit_r
+
+  - type: Icon
+    icon: medkit_r
+

Resources/SavedEntities.xml

@@ -0,0 +1,304 @@
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+  <SavedEntity X="23" Y="32" template="__engine_wall" direction="East" />
+  <SavedEntity X="24" Y="32" template="__engine_wall" direction="East" />
+  <SavedEntity X="25" Y="32" template="__engine_wall" direction="East" />
+  <SavedEntity X="26" Y="32" template="__engine_wall" direction="East" />
+  <SavedEntity X="27" Y="32" template="__engine_wall" direction="East" />
+  <SavedEntity X="28" Y="32" template="__engine_wall" direction="East" />
+  <SavedEntity X="29" Y="32" template="__engine_wall" direction="East" />
+  <SavedEntity X="30" Y="32" template="__engine_wall" direction="East" />
+  <SavedEntity X="31" Y="32" template="__engine_wall" direction="East" />
+  <SavedEntity X="32" Y="32" template="__engine_wall" direction="East" />
+  <SavedEntity X="10.3125" Y="9.375" template="BlueToolboxItem" />
+  <SavedEntity X="0" Y="0" template="__engine_wall_light" name="FuckingLight" />
+  <SavedEntity X="13.49975" Y="9.267462" template="__engine_janitor_suit" name="Janitor_Suit" />
+  <SavedEntity X="13.49975" Y="9.267462" template="__engine_shoes" />
+  <SavedEntity X="78.9826" Y="73.99996" template="__engine_door" />
+  <SavedEntity X="79.01385" Y="67.99996" template="__engine_door" />
+  <SavedEntity X="4" Y="4" template="__engine_wall_light" name="WallLight" />
+  <SavedEntity X="8" Y="8" template="__engine_wall_light" name="WallLight" />
+  <SavedEntity X="12" Y="12" template="__engine_wall_light" name="WallLight" />
+  <SavedEntity X="16" Y="16" template="__engine_wall_light" name="WallLight" />
+  <SavedEntity X="20" Y="20" template="__engine_wall_light" name="WallLight" />
+  <SavedEntity X="24" Y="24" template="__engine_wall_light" name="WallLight" />
+  <SavedEntity X="18.84556" Y="4.915811" template="__engine_worktop" />
+  <SavedEntity X="13.49975" Y="9.267462" template="__engine_mop" />
+  <SavedEntity X="8.914371" Y="2.878233" template="__engine_extinguisher" name="Extinguisher" />
+  <SavedEntity X="17.00254" Y="3.034483" template="__engine_fire_alarm" name="FireAlarm" />
+  <SavedEntity X="21.36345" Y="7.079962" template="__engine_med_cabinet" name="MedCabinet" />
+</SavedEntities>

SS14.Content.targets

@@ -3,4 +3,9 @@
   <Target Name="CopyContentAssemblies">
     <Copy SourceFiles="@(ContentAssemblies)" DestinationFolder="$(ContentAssemblyTarget)" />
   </Target>
+  <ItemDefinitionGroup>
+    <ContentAssemblies>
+      <Visible>False</Visible>
+    </ContentAssemblies>
+  </ItemDefinitionGroup>
 </Project>

Setup.bat

@@ -0,0 +1,6 @@
+cd %CD%
+python RUN_THIS.py
+pause
+cd %CD%\engine\Resources
+python buildResourcePack.py
+pause