New Experimental Science T3: Desynchronizer (#35752)

* desynchronizer real

* yaml stuff from slarti branch

* C# stuff

* oops

* review

* improve

---------

Co-authored-by: slarticodefast <161409025+slarticodefast@users.noreply.github.com>

Content.Server/Polymorph/Systems/PolymorphSystem.cs

@@ -5,6 +5,7 @@ using Content.Server.Mind.Commands;
 using Content.Server.Polymorph.Components;
 using Content.Shared.Actions;
 using Content.Shared.Buckle;
+using Content.Shared.Coordinates;
 using Content.Shared.Damage;
 using Content.Shared.Destructible;
 using Content.Shared.Hands.EntitySystems;
@@ -277,6 +278,10 @@ public sealed partial class PolymorphSystem : EntitySystem
         var ev = new PolymorphedEvent(uid, child, false);
         RaiseLocalEvent(uid, ref ev);
 
+        // visual effect spawn
+        if (configuration.EffectProto != null)
+            SpawnAttachedTo(configuration.EffectProto, child.ToCoordinates());
+
         return child;
     }
 
@@ -353,6 +358,10 @@ public sealed partial class PolymorphSystem : EntitySystem
         var ev = new PolymorphedEvent(uid, parent, true);
         RaiseLocalEvent(uid, ref ev);
 
+        // visual effect spawn
+        if (component.Configuration.EffectProto != null)
+            SpawnAttachedTo(component.Configuration.EffectProto, parent.ToCoordinates());
+
         if (component.Configuration.ExitPolymorphPopup != null)
             _popup.PopupEntity(Loc.GetString(component.Configuration.ExitPolymorphPopup,
                 ("parent", Identity.Entity(uid, EntityManager)),

Content.Shared/Polymorph/PolymorphPrototype.cs

@@ -40,6 +40,14 @@ public sealed partial record PolymorphConfiguration
     [DataField(required: true, serverOnly: true)]
     public EntProtoId Entity;
 
+    /// <summary>
+    /// Additional entity to spawn when polymorphing/reverting.
+    /// Gets parented to the entity polymorphed into.
+    /// Useful for visual effects.
+    /// </summary>
+    [DataField(serverOnly: true)]
+    public EntProtoId? EffectProto;
+
     /// <summary>
     /// The delay between the polymorph's uses in seconds
     /// Slightly weird as of right now.

Resources/Locale/en-US/research/technologies.ftl

@@ -48,6 +48,7 @@ research-technology-anomaly-harnessing = Anomaly Core Harnessing
 research-technology-abnormal-artifact-manipulation = Artifact Recycling
 research-technology-gravity-manipulation = Gravity Manipulation
 research-technology-quantum-leaping = Quantum Leaping
+research-technology-bluespace-time-manipulation = Bluespace Time Manipulation
 research-technology-advanced-anomaly-research = Advanced Anomaly Research
 research-technology-rped = Rapid Part Exchange
 research-technology-super-parts = Super Parts

Resources/Prototypes/Entities/Effects/desynchronizer_effecs.yml

@@ -0,0 +1,19 @@
+- type: entity
+  id: EffectDesynchronizer
+  categories: [ HideSpawnMenu ]
+  components:
+  - type: Sprite
+    drawdepth: Effects
+    noRot: true
+    layers:
+    - shader: unshaded
+      map: ["enum.EffectLayers.Unshaded"]
+      sprite: Effects/chronofield.rsi
+      state: chronofield
+  - type: AnimationPlayer
+  - type: EffectVisuals
+  - type: TimedDespawn
+    lifetime: 0.8
+  - type: Tag
+    tags:
+    - HideContextMenu

Resources/Prototypes/Entities/Mobs/Player/jaunt_mobs.yml

@@ -38,3 +38,14 @@
   - type: MovementSpeedModifier
     baseSprintSpeed: 6
     baseWalkSpeed: 4
+
+- type: entity
+  parent: [Incorporeal, BaseMob]
+  id: DesynchronizedPocket
+  name: desynchronized pocket
+  description: A pocket in spacetime, keeping the user a fraction of a second in the future.
+  components:
+  - type: Spectral
+  - type: MovementSpeedModifier
+    baseSprintSpeed: 0
+    baseWalkSpeed: 0

Resources/Prototypes/Entities/Objects/Devices/desynchronizer.yml

@@ -0,0 +1,14 @@
+- type: entity
+  id: DeviceDesynchronizer
+  parent: BaseItem
+  name: desynchronizer
+  description: An experimental device that can temporarily desynchronize the user from spacetime, effectively making them disappear while it's active.
+  components:
+  - type: Sprite
+    sprite: Objects/Devices/desynchronizer.rsi
+    state: icon
+  - type: TriggerOnUse
+  - type: PolymorphOnTrigger
+    polymorph: VoidPocket
+  - type: UseDelay
+    delay: 220 # long delay to ensure it can't be spammed, use it wisely

Resources/Prototypes/Polymorphs/polymorph.yml

@@ -222,3 +222,18 @@
     polymorphSound: /Audio/Magic/ethereal_enter.ogg
     exitPolymorphSound: /Audio/Magic/ethereal_exit.ogg
     duration: 3
+
+# Desynchronized / Void Pocket status
+- type: polymorph
+  id: VoidPocket
+  configuration:
+    entity: DesynchronizedPocket
+    transferName: false
+    inventory: None
+    forced: false
+    revertOnDeath: true
+    allowRepeatedMorphs: false
+    polymorphSound: /Audio/Magic/ethereal_enter.ogg
+    exitPolymorphSound: /Audio/Magic/ethereal_exit.ogg
+    duration: 120
+    effectProto: EffectDesynchronizer

Resources/Prototypes/Recipes/Lathes/Packs/science.yml

@@ -29,6 +29,7 @@
   - HoloprojectorField
   - SignallerAdvanced
   - DeviceQuantumSpinInverter
+  - DeviceDesynchronizer
 
 - type: latheRecipePack
   id: ScienceClothing

Resources/Prototypes/Recipes/Lathes/devices.yml

@@ -175,6 +175,15 @@
     Glass: 100
     Uranium: 100
 
+- type: latheRecipe
+  id: DeviceDesynchronizer
+  result: DeviceDesynchronizer
+  completetime: 5
+  materials:
+    Steel: 700
+    Glass: 100
+    Uranium: 200
+
 - type: latheRecipe
   id: WeaponProtoKineticAccelerator
   result: WeaponProtoKineticAccelerator

Resources/Prototypes/Research/experimental.yml

@@ -124,8 +124,6 @@
   - WeaponParticleDecelerator
   - HoloprojectorField
 
-# Tier 3
-
 - type: technology
   id: GravityManipulation
   name: research-technology-gravity-manipulation
@@ -133,12 +131,14 @@
     sprite: Objects/Weapons/Guns/Launchers/tether_gun.rsi
     state: base
   discipline: Experimental
-  tier: 3
+  tier: 2
   cost: 10000
   recipeUnlocks:
     - WeaponForceGun
     - WeaponTetherGun
 
+# Tier 3
+
 - type: technology
   id: QuantumLeaping
   name: research-technology-quantum-leaping
@@ -150,3 +150,15 @@
   cost: 10000
   recipeUnlocks:
   - DeviceQuantumSpinInverter
+
+- type: technology
+  id: BluespaceTimeManipulation
+  name: research-technology-bluespace-time-manipulation
+  icon:
+    sprite: Objects/Devices/desynchronizer.rsi
+    state: icon
+  discipline: Experimental
+  tier: 3
+  cost: 10000
+  recipeUnlocks:
+  - DeviceDesynchronizer

Resources/Textures/Effects/chronofield.rsi/meta.json

@@ -0,0 +1,21 @@
+{
+  "version": 1,
+  "license": "CC-BY-SA-3.0",
+  "copyright": "Taken from https://github.com/tgstation/tgstation at commit 6665eec76c98a4f3f89bebcd10b34b47dcc0b8ae",
+  "size": {
+    "x": 32,
+    "y": 32
+  },
+  "states": [
+    {
+      "name": "chronofield",
+      "delays": [
+        [
+          0.1,
+          0.1,
+          0.1
+        ]
+      ]
+    }
+  ]
+}

Resources/Textures/Objects/Devices/desynchronizer.rsi/meta.json

@@ -0,0 +1,40 @@
+{
+    "version": 1,
+    "license": "CC-BY-SA-3.0",
+    "copyright": "Taken from tgstation at https://github.com/tgstation/tgstation/blob/2712e62ee56d46e6ae11fcb3b16d401a01179ec1/icons/obj/device.dmi, inhands sprited by Flareguy for Space Station 14",
+    "size": {
+        "x": 32,
+        "y": 32
+    },
+        "states": [
+        {
+          "name": "icon-on",
+          "delays": [
+            [
+              0.1,
+              0.1,
+              0.1,
+              0.1,
+              0.1
+            ]
+          ]
+        },
+        {
+          "name": "icon",
+          "delays": [
+            [
+              0.5,
+              0.5
+            ]
+          ]
+        },
+        {
+            "name": "inhand-left",
+            "directions": 4
+        },
+        {
+            "name": "inhand-right",
+            "directions": 4
+        }
+    ]
+}