metal foam grenades (space-wizards#29428)

* metal foam grenades

* wow okay

* meh

* bruh

* test

* push

Content.Server/EntityEffects/Effects/AreaReactionEffect.cs

@@ -1,4 +1,5 @@
 using Content.Server.Fluids.EntitySystems;
+using Content.Server.Spreader;
 using Content.Shared.Audio;
 using Content.Shared.Coordinates.Helpers;
 using Content.Shared.Database;
@@ -64,16 +65,19 @@ public override void Effect(EntityEffectBaseArgs args)
             var transform = reagentArgs.EntityManager.GetComponent<TransformComponent>(reagentArgs.TargetEntity);
             var mapManager = IoCManager.Resolve<IMapManager>();
             var mapSys = reagentArgs.EntityManager.System<MapSystem>();
-            var sys = reagentArgs.EntityManager.System<TransformSystem>();
+            var spreaderSys = args.EntityManager.System<SpreaderSystem>();
+            var sys = args.EntityManager.System<TransformSystem>();
             var mapCoords = sys.GetMapCoordinates(reagentArgs.TargetEntity, xform: transform);
 
             if (!mapManager.TryFindGridAt(mapCoords, out var gridUid, out var grid) ||
-                !mapSys.TryGetTileRef(gridUid, grid, transform.Coordinates, out var tileRef) ||
-                tileRef.Tile.IsSpace())
+                !mapSys.TryGetTileRef(gridUid, grid, transform.Coordinates, out var tileRef))
             {
                 return;
             }
 
+            if (spreaderSys.RequiresFloorToSpread(_prototypeId) && tileRef.Tile.IsSpace())
+                return;
+
             var coords = mapSys.MapToGrid(gridUid, mapCoords);
             var ent = reagentArgs.EntityManager.SpawnEntity(_prototypeId, coords.SnapToGrid());
 

Content.Server/Explosion/EntitySystems/SmokeOnTriggerSystem.cs

@@ -1,6 +1,7 @@
 using Content.Shared.Explosion.Components;
 using Content.Shared.Explosion.EntitySystems;
 using Content.Server.Fluids.EntitySystems;
+using Content.Server.Spreader;
 using Content.Shared.Chemistry.Components;
 using Content.Shared.Coordinates.Helpers;
 using Content.Shared.Maps;
@@ -17,6 +18,7 @@ public sealed class SmokeOnTriggerSystem : SharedSmokeOnTriggerSystem
     [Dependency] private readonly IMapManager _mapMan = default!;
     [Dependency] private readonly SmokeSystem _smoke = default!;
     [Dependency] private readonly TransformSystem _transform = default!;
+    [Dependency] private readonly SpreaderSystem _spreader = default!;
 
     public override void Initialize()
     {
@@ -31,11 +33,14 @@ private void OnTrigger(EntityUid uid, SmokeOnTriggerComponent comp, TriggerEvent
         var mapCoords = _transform.GetMapCoordinates(uid, xform);
         if (!_mapMan.TryFindGridAt(mapCoords, out _, out var grid) ||
             !grid.TryGetTileRef(xform.Coordinates, out var tileRef) ||
-            tileRef.Tile.IsSpace())
+            tileRef.Tile.IsEmpty)
         {
             return;
         }
 
+        if (_spreader.RequiresFloorToSpread(comp.SmokePrototype.ToString()) && tileRef.Tile.IsSpace())
+            return;
+
         var coords = grid.MapToGrid(mapCoords);
         var ent = Spawn(comp.SmokePrototype, coords.SnapToGrid());
         if (!TryComp<SmokeComponent>(ent, out var smoke))

Content.Server/Spreader/SpreaderSystem.cs

@@ -2,6 +2,7 @@
 using Content.Server.Atmos.EntitySystems;
 using Content.Server.Shuttles.Components;
 using Content.Shared.Atmos;
+using Content.Shared.Maps;
 using Content.Shared.Spreader;
 using Content.Shared.Tag;
 using Robust.Shared.Collections;
@@ -175,11 +176,12 @@ private void Spread(EntityUid uid, TransformComponent xform, ProtoId<EdgeSpreade
     /// </summary>
     public void GetNeighbors(EntityUid uid, TransformComponent comp, ProtoId<EdgeSpreaderPrototype> prototype, out ValueList<(MapGridComponent, TileRef)> freeTiles, out ValueList<Vector2i> occupiedTiles, out ValueList<EntityUid> neighbors)
     {
-        // TODO remove occupiedTiles -- its currently unused and just slows this method down.
-        DebugTools.Assert(_prototype.HasIndex(prototype));
         freeTiles = [];
         occupiedTiles = [];
         neighbors = [];
+        // TODO remove occupiedTiles -- its currently unused and just slows this method down.
+        if (!_prototype.TryIndex(prototype, out var spreaderPrototype))
+            return;
 
         if (!TryComp<MapGridComponent>(comp.GridUid, out var grid))
             return;
@@ -244,6 +246,9 @@ public void GetNeighbors(EntityUid uid, TransformComponent comp, ProtoId<EdgeSpr
             if (!_map.TryGetTileRef(neighborEnt, neighborGrid, neighborPos, out var tileRef) || tileRef.Tile.IsEmpty)
                 continue;
 
+            if (spreaderPrototype.PreventSpreadOnSpaced && tileRef.Tile.IsSpace())
+                continue;
+
             var directionEnumerator = _map.GetAnchoredEntitiesEnumerator(neighborEnt, neighborGrid, neighborPos);
             var occupied = false;
 
@@ -335,4 +340,12 @@ public void ActivateSpreadableNeighbors(EntityUid uid, (EntityUid Grid, Vector2i
             }
         }
     }
+
+    public bool RequiresFloorToSpread(EntProtoId<EdgeSpreaderComponent> spreader)
+    {
+        if (!_prototype.Index(spreader).TryGetComponent<EdgeSpreaderComponent>(out var spreaderComp, EntityManager.ComponentFactory))
+            return false;
+
+        return _prototype.Index(spreaderComp.Id).PreventSpreadOnSpaced;
+    }
 }

Content.Shared/Spreader/EdgeSpreaderPrototype.cs

@@ -10,4 +10,10 @@ public sealed partial class EdgeSpreaderPrototype : IPrototype
 {
     [IdDataField] public string ID { get; } = string.Empty;
     [DataField(required:true)] public int UpdatesPerSecond;
+
+    /// <summary>
+    /// If true, this spreader can't spread onto spaced tiles like lattice.
+    /// </summary>
+    [DataField]
+    public bool PreventSpreadOnSpaced = true;
 }

Content.Shared/Tiles/ReplaceFloorOnSpawnComponent.cs

@@ -0,0 +1,36 @@
+using Content.Shared.Maps;
+using Robust.Shared.GameStates;
+using Robust.Shared.Prototypes;
+
+namespace Content.Shared.Tiles;
+
+/// <summary>
+/// Replaces floor tiles around this entity when it spawns
+/// </summary>
+[RegisterComponent, NetworkedComponent, Access(typeof(ReplaceFloorOnSpawnSystem))]
+public sealed partial class ReplaceFloorOnSpawnComponent : Component
+{
+    /// <summary>
+    /// The floor tiles that will be replaced. If null, will replace all.
+    /// </summary>
+    [DataField]
+    public List<ProtoId<ContentTileDefinition>>? ReplaceableTiles = new();
+
+    /// <summary>
+    /// The tiles that it will replace. Randomly picked from the list.
+    /// </summary>
+    [DataField]
+    public List<ProtoId<ContentTileDefinition>> ReplacementTiles = new();
+
+    /// <summary>
+    /// Whether or not there has to be a tile in the location to be replaced.
+    /// </summary>
+    [DataField]
+    public bool ReplaceSpace = true;
+
+    /// <summary>
+    /// List of offsets from the base tile, used to determine which tiles will be replaced.
+    /// </summary>
+    [DataField]
+    public List<Vector2i> Offsets = new() { Vector2i.Up, Vector2i.Down, Vector2i.Left, Vector2i.Right, Vector2i.Zero };
+}

Content.Shared/Tiles/ReplaceFloorOnSpawnSystem.cs

@@ -0,0 +1,48 @@
+using Robust.Shared.Map;
+using Robust.Shared.Map.Components;
+using Robust.Shared.Prototypes;
+using Robust.Shared.Random;
+
+namespace Content.Shared.Tiles;
+
+public sealed class ReplaceFloorOnSpawnSystem : EntitySystem
+{
+    [Dependency] private readonly ITileDefinitionManager _tile = default!;
+    [Dependency] private readonly IPrototypeManager _prototype = default!;
+    [Dependency] private readonly IRobustRandom _random = default!;
+    [Dependency] private readonly SharedMapSystem _map = default!;
+
+    /// <inheritdoc/>
+    public override void Initialize()
+    {
+        SubscribeLocalEvent<ReplaceFloorOnSpawnComponent, MapInitEvent>(OnMapInit);
+    }
+
+    private void OnMapInit(Entity<ReplaceFloorOnSpawnComponent> ent, ref MapInitEvent args)
+    {
+        var xform = Transform(ent);
+        if (xform.GridUid is not { } grid || !TryComp<MapGridComponent>(grid, out var gridComp))
+            return;
+
+        if (ent.Comp.ReplaceableTiles != null && ent.Comp.ReplaceableTiles.Count == 0)
+            return;
+
+        var tileIndices = _map.LocalToTile(grid, gridComp, xform.Coordinates);
+
+        foreach (var offset in ent.Comp.Offsets)
+        {
+            var actualIndices = tileIndices + offset;
+
+            if (!_map.TryGetTileRef(grid, gridComp, actualIndices, out var tile))
+                continue;
+
+            if (ent.Comp.ReplaceableTiles != null &&
+                !tile.Tile.IsEmpty &&
+                !ent.Comp.ReplaceableTiles.Contains(_tile[tile.Tile.TypeId].ID))
+                continue;
+
+            var tileToSet = _random.Pick(ent.Comp.ReplacementTiles);
+            _map.SetTile(grid, gridComp, tile.GridIndices, new Tile(_prototype.Index(tileToSet).TileId));
+        }
+    }
+}

Resources/Locale/en-US/tiles/tiles.ftl

@@ -87,6 +87,7 @@ tiles-gold-tile = gold tile
 tiles-silver-tile = silver tile
 tiles-glass-floor = glass floor
 tiles-reinforced-glass-floor = reinforced glass floor
+tiles-metal-foam = metal foam floor
 tiles-green-circuit-floor = green circuit floor
 tiles-blue-circuit-floor = blue circuit floor
 tiles-snow = snow
@@ -126,4 +127,4 @@ tiles-mowed-astro-grass = mowed astro-grass
 tiles-jungle-astro-grass = jungle astro-grass
 tiles-astro-ice = astro-ice
 tiles-astro-snow = astro-snow
-tiles-wood-large = large wood
+tiles-wood-large = large wood

Resources/Prototypes/Catalog/Cargo/cargo_engineering.yml

@@ -28,6 +28,16 @@
   category: cargoproduct-category-name-engineering
   group: market
 
+- type: cargoProduct
+  id: EngineeringFoamGrenade
+  icon:
+    sprite: Objects/Weapons/Grenades/metalfoam.rsi
+    state: icon
+  product: CrateEngineeringFoamGrenade
+  cost: 2500
+  category: cargoproduct-category-name-engineering
+  group: market
+
 - type: cargoProduct
   id: EngineeringCableBulk
   icon:

Resources/Prototypes/Catalog/Fills/Crates/engineering.yml

@@ -76,6 +76,17 @@
       - id: CableHVStack
         amount: 3
 
+- type: entity
+  id: CrateEngineeringFoamGrenade
+  parent: CrateEngineeringSecure
+  name: sealant grenade crate
+  description: 5 metal foam sealant grenades.
+  components:
+  - type: StorageFill
+    contents:
+    - id: MetalFoamGrenade
+      amount: 5
+
 - type: entity
   id: CrateEngineeringCableBulk
   parent: CrateElectrical

Resources/Prototypes/Entities/Effects/chemistry_effects.yml

@@ -101,6 +101,8 @@
       state: m_foam-north
     - map: [ "enum.EdgeLayer.West" ]
       state: m_foam-west
+  - type: EdgeSpreader
+    id: MetalFoam
   - type: FoamVisuals
     animationTime: 0.6
     animationState: m_foam-dissolve
@@ -135,7 +137,7 @@
   - type: RCDDeconstructable
     cost: 2
     delay: 2
-    fx: EffectRCDDeconstruct2  
+    fx: EffectRCDDeconstruct2
   - type: Clickable
   - type: InteractionOutline
   - type: Sprite
@@ -159,6 +161,13 @@
   - type: Transform
     anchored: true
   - type: Airtight
+  - type: ReplaceFloorOnSpawn
+    replaceableTiles:
+    - Plating
+    - Lattice
+    - TrainLattice
+    replacementTiles:
+    - FloorMetalFoam
   - type: Damageable
     damageContainer: Inorganic
     damageModifierSet: Metallic

Resources/Prototypes/Entities/Objects/Weapons/Throwable/grenades.yml

@@ -422,6 +422,21 @@
       - ReagentId: TearGas
         Quantity: 50
 
+- type: entity
+  parent: SmokeGrenade
+  id: MetalFoamGrenade
+  name: metal foam grenade
+  description: An emergency tool used for patching up holes. Almost as good as real walls.
+  components:
+  - type: Sprite
+    sprite: Objects/Weapons/Grenades/metalfoam.rsi
+  - type: SmokeOnTrigger
+    duration: 10
+    spreadAmount: 13
+    smokePrototype: AluminiumMetalFoam
+  - type: StaticPrice
+    price: 350
+
 # Non-explosive "dummy" grenades to use as a distraction.
 
 - type: entity

Resources/Prototypes/Tiles/floors.yml

@@ -201,7 +201,7 @@
     collection: FootstepHull
   itemDrop: FloorTileItemBrassFilled
   heatCapacity: 10000
-  
+
 - type: tile
   id: FloorBrassReebe
   name: tiles-brass-floor-reebe
@@ -1391,6 +1391,21 @@
   itemDrop: SheetRGlass1
   heatCapacity: 10000
 
+- type: tile
+  id: FloorMetalFoam
+  name: tiles-metal-foam
+  sprite: /Textures/Tiles/foammetal.png
+  variants: 1
+  placementVariants:
+  - 1.0
+  baseTurf: Plating
+  isSubfloor: false
+  deconstructTools: [ Prying ]
+  footstepSounds:
+    collection: FootstepHull
+  itemDrop: SheetSteel1
+  heatCapacity: 10000
+
 # Circuits
 - type: tile
   id: FloorGreenCircuit

Resources/Prototypes/edge_spreaders.yml

@@ -9,3 +9,8 @@
 - type: edgeSpreader
   id: Smoke
   updatesPerSecond: 8
+
+- type: edgeSpreader
+  id: MetalFoam
+  updatesPerSecond: 16
+  preventSpreadOnSpaced: false

Resources/Textures/Objects/Weapons/Grenades/metalfoam.rsi/meta.json

@@ -0,0 +1,27 @@
+{
+  "version": 1,
+  "license": "CC-BY-SA-3.0",
+  "copyright": "Created by EmoGarbage404",
+  "size": {
+    "x": 32,
+    "y": 32
+  },
+  "states": [
+    {
+      "name": "icon"
+    },
+    {
+      "name": "primed",
+      "delays": [
+        [
+          0.2,
+          0.1
+        ]
+      ]
+    },
+    {
+      "name": "equipped-BELT",
+      "directions": 4
+    }
+  ]
+}