Timed spawners (#1196)

* "Spawner" is a word.

* Timed Spawners.

* Default interval is now 60s

Content.Server/GameObjects/Components/Markers/ConditionalSpawnerComponent.cs

@@ -2,18 +2,15 @@ using System;
 using System.Collections.Generic;
 using Content.Server.GameTicking;
 using Content.Server.Interfaces.GameTicking;
-using NFluidsynth;
 using Robust.Server.Interfaces.GameObjects;
 using Robust.Shared.GameObjects;
 using Robust.Shared.Interfaces.GameObjects;
 using Robust.Shared.Interfaces.Random;
 using Robust.Shared.Interfaces.Reflection;
 using Robust.Shared.IoC;
-using Robust.Shared.Prototypes;
 using Robust.Shared.Random;
 using Robust.Shared.Serialization;
 using Robust.Shared.ViewVariables;
-using SQLitePCL;
 using Logger = Robust.Shared.Log.Logger;
 
 namespace Content.Server.GameObjects.Components.Markers

Content.Server/GameObjects/Components/Markers/TimedSpawnerComponent.cs

@@ -0,0 +1,89 @@
+using System;
+using System.Collections.Generic;
+using System.Threading;
+using Robust.Shared.GameObjects;
+using Robust.Shared.Interfaces.GameObjects;
+using Robust.Shared.Interfaces.Random;
+using Robust.Shared.IoC;
+using Robust.Shared.Random;
+using Robust.Shared.Serialization;
+using Robust.Shared.ViewVariables;
+using Timer = Robust.Shared.Timers.Timer;
+
+namespace Content.Server.GameObjects.Components.Markers
+{
+    [RegisterComponent]
+    public class TimedSpawnerComponent : Component
+    {
+#pragma warning disable 649
+        [Dependency] private IEntityManager _entityManager;
+        [Dependency] private IRobustRandom _robustRandom;
+#pragma warning restore 649
+
+        public override string Name => "TimedSpawner";
+
+        [ViewVariables(VVAccess.ReadWrite)]
+        public List<string> Prototypes { get; set; } = new List<string>();
+
+        [ViewVariables(VVAccess.ReadWrite)]
+        public float Chance { get; set; } = 1.0f;
+
+        [ViewVariables(VVAccess.ReadWrite)]
+        public int IntervalSeconds { get; set; } = 60;
+
+        [ViewVariables(VVAccess.ReadWrite)]
+        public int MinimumEntitiesSpawned { get; set; } = 1;
+
+        [ViewVariables(VVAccess.ReadWrite)]
+        public int MaximumEntitiesSpawned { get; set; } = 1;
+
+        private CancellationTokenSource TokenSource;
+
+        public override void Initialize()
+        {
+            base.Initialize();
+            SetupTimer();
+        }
+
+        protected override void Shutdown()
+        {
+            base.Shutdown();
+            TokenSource.Cancel();
+        }
+
+        public override void ExposeData(ObjectSerializer serializer)
+        {
+            base.ExposeData(serializer);
+
+            serializer.DataField(this, x => Prototypes, "prototypes", new List<string>());
+            serializer.DataField(this, x => Chance, "chance", 1.0f);
+            serializer.DataField(this, x => IntervalSeconds, "intervalSeconds", 60);
+            serializer.DataField(this, x => MinimumEntitiesSpawned, "minimumEntitiesSpawned", 1);
+            serializer.DataField(this, x => MaximumEntitiesSpawned, "maximumEntitiesSpawned", 1);
+
+            if(MinimumEntitiesSpawned > MaximumEntitiesSpawned)
+                throw new ArgumentException("MaximumEntitiesSpawned can't be lower than MinimumEntitiesSpawned!");
+        }
+
+        private void SetupTimer()
+        {
+            TokenSource?.Cancel();
+            TokenSource = new CancellationTokenSource();
+            Timer.SpawnRepeating(TimeSpan.FromSeconds(IntervalSeconds), OnTimerFired, TokenSource.Token);
+        }
+
+        private void OnTimerFired()
+        {
+            if (!_robustRandom.Prob(Chance))
+                return;
+
+            var number = _robustRandom.Next(MinimumEntitiesSpawned, MaximumEntitiesSpawned);
+
+            for (int i = 0; i < number; i++)
+            {
+                var entity = _robustRandom.Pick(Prototypes);
+                _entityManager.SpawnEntity(entity, Owner.Transform.GridPosition);
+            }
+        }
+    }
+}

Resources/Prototypes/Entities/Markers/timed_spawners.yml

@@ -0,0 +1,42 @@
+- type: entity
+  name: base timed spawner
+  id: BaseTimedSpawner
+  abstract: true
+  components:
+    - type: Sprite
+      netsync: false
+      visible: false
+      sprite: Objects/markers.rsi
+      state: cross_blue
+    - type: Icon
+      sprite: Objects/markers.rsi
+      state: cross_blue
+    - type: Marker
+    - type: Clickable
+    - type: InteractionOutline
+    - type: Collidable
+    - type: TimedSpawner
+  placement:
+    mode: AlignTileAny
+
+- type: entity
+  name: AI Timed Spawner
+  id: AITimedSpawner
+  parent: BaseTimedSpawner
+  components:
+    - type: Sprite
+      netsync: false
+      visible: false
+      sprite: Objects/markers.rsi
+      state: spawner_rifle
+    - type: Icon
+      sprite: Objects/markers.rsi
+      state: spawner_rifle
+    - type: TimedSpawner
+      prototypes:
+        - HumanMob_Spirate
+        - HumanMob_Civilian
+      chance: 0.75
+      intervalSeconds: 60
+      minimumEntitiesSpawned: 1
+      maximumEntitiesSpawned: 5

SpaceStation14.sln.DotSettings

@@ -57,9 +57,9 @@
     <s:Boolean x:Key="/Default/UserDictionary/Words/=prefs/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=Soundfont/@EntryIndexedValue">True</s:Boolean>
     <s:Boolean x:Key="/Default/UserDictionary/Words/=soundfonts/@EntryIndexedValue">True</s:Boolean>
+	<s:Boolean x:Key="/Default/UserDictionary/Words/=Spawner/@EntryIndexedValue">True</s:Boolean>
     <s:Boolean x:Key="/Default/UserDictionary/Words/=swsl/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=underplating/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=uplink/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=Wirecutter/@EntryIndexedValue">True</s:Boolean></wpf:ResourceDictionary>
-	<s:Boolean x:Key="/Default/UserDictionary/Words/=Stunnable/@EntryIndexedValue">True</s:Boolean>
+	
-    <s:Boolean x:Key="/Default/UserDictionary/Words/=swsl/@EntryIndexedValue">True</s:Boolean></wpf:ResourceDictionary>