AOE Spells (#758)

* AoE gameplay

* Update T1_fire_rune.yml

* test

* add cool AoE visual

Content.Server/_CP14/MagicSpell/CP14AreaEntityEffectComponent.cs

@@ -0,0 +1,27 @@
+using Content.Shared._CP14.MagicSpell.Spells;
+using Content.Shared.Whitelist;
+using Robust.Shared.Prototypes;
+
+namespace Content.Server._CP14.MagicSpell;
+
+/// <summary>
+///
+/// </summary>
+[RegisterComponent]
+public sealed partial class CP14AreaEntityEffectComponent : Component
+{
+    [DataField(required: true)]
+    public float Range = 1f;
+
+    /// <summary>
+    /// How many entities can be subject to EntityEffect? Leave 0 to remove the restriction.
+    /// </summary>
+    [DataField]
+    public int MaxTargets = 0;
+
+    [DataField(required: true, serverOnly: true)]
+    public List<CP14SpellEffect> Effects = new();
+
+    [DataField]
+    public EntityWhitelist? Whitelist;
+}

Content.Server/_CP14/MagicSpell/CP14MagicSystem.cs

@@ -4,6 +4,9 @@ using Content.Shared._CP14.MagicEnergy.Components;
 using Content.Shared._CP14.MagicSpell;
 using Content.Shared._CP14.MagicSpell.Components;
 using Content.Shared._CP14.MagicSpell.Events;
+using Content.Shared._CP14.MagicSpell.Spells;
+using Content.Shared.EntityEffects;
+using Content.Shared.Whitelist;
 using Robust.Server.GameObjects;
 
 namespace Content.Server._CP14.MagicSpell;
@@ -13,11 +16,14 @@ public sealed partial class CP14MagicSystem : CP14SharedMagicSystem
     [Dependency] private readonly ChatSystem _chat = default!;
     [Dependency] private readonly TransformSystem _transform = default!;
     [Dependency] private readonly CP14MagicEnergySystem _magicEnergy = default!;
+    [Dependency] private readonly EntityLookupSystem _lookup = default!;
+    [Dependency] private readonly EntityWhitelistSystem _whitelist = default!;
 
     public override void Initialize()
     {
         base.Initialize();
 
+        SubscribeLocalEvent<CP14AreaEntityEffectComponent, MapInitEvent>(OnAoEMapInit);
         SubscribeLocalEvent<CP14MagicEffectVerbalAspectComponent, CP14VerbalAspectSpeechEvent>(OnSpellSpoken);
 
         SubscribeLocalEvent<CP14MagicEffectCastingVisualComponent, CP14StartCastMagicEffectEvent>(OnSpawnMagicVisualEffect);
@@ -26,6 +32,28 @@ public sealed partial class CP14MagicSystem : CP14SharedMagicSystem
         SubscribeLocalEvent<CP14MagicEffectManaCostComponent, CP14MagicEffectConsumeResourceEvent>(OnManaConsume);
     }
 
+    private void OnAoEMapInit(Entity<CP14AreaEntityEffectComponent> ent, ref MapInitEvent args)
+    {
+        var entitiesAround = _lookup.GetEntitiesInRange(ent, ent.Comp.Range, LookupFlags.Uncontained);
+
+        var count = 0;
+        foreach (var entity in entitiesAround)
+        {
+            if (ent.Comp.Whitelist is not null && !_whitelist.IsValid(ent.Comp.Whitelist, entity))
+                continue;
+
+            foreach (var effect in ent.Comp.Effects)
+            {
+                effect.Effect(EntityManager, new CP14SpellEffectBaseArgs(ent, null, entity, Transform(entity).Coordinates));
+            }
+
+            count++;
+
+            if (ent.Comp.MaxTargets > 0 && count >= ent.Comp.MaxTargets)
+                break;
+        }
+    }
+
     private void OnSpellSpoken(Entity<CP14MagicEffectVerbalAspectComponent> ent, ref CP14VerbalAspectSpeechEvent args)
     {
         if (args.Performer is not null && args.Speech is not null)

Content.Shared/_CP14/MagicSpell/CP14SharedMagicSystem.DelayedActions.cs

@@ -56,7 +56,7 @@ public abstract partial class CP14SharedMagicSystem
             _action.CP14StartCustomDelay(action, TimeSpan.FromSeconds(cooldown.Value));
     }
 
-    private void UseDelayedAction(ICP14DelayedMagicEffect delayedEffect, Entity<CP14MagicEffectComponent> action, DoAfterEvent doAfter, EntityUid performer)
+    private void UseDelayedAction(ICP14DelayedMagicEffect delayedEffect, Entity<CP14MagicEffectComponent> action, DoAfterEvent doAfter, EntityUid performer, EntityUid? target = null, EntityCoordinates? worldTarget = null)
     {
         if (!CanCastSpell(action, performer))
             return;
@@ -71,7 +71,7 @@ public abstract partial class CP14SharedMagicSystem
                 RaiseLocalEvent(action, ref evStart);
 
                 var spellArgs =
-                    new CP14SpellEffectBaseArgs(performer, action.Comp.SpellStorage, performer, Transform(performer).Coordinates);
+                    new CP14SpellEffectBaseArgs(performer, action.Comp.SpellStorage, target, worldTarget);
 
                 CastTelegraphy(action, spellArgs);
             }
@@ -93,7 +93,7 @@ public abstract partial class CP14SharedMagicSystem
             return;
 
         var doAfter = new CP14DelayedInstantActionDoAfterEvent(args.Cooldown);
-        UseDelayedAction(delayedEffect, (args.Action, magicEffect), doAfter, args.Performer);
+        UseDelayedAction(delayedEffect, (args.Action, magicEffect), doAfter, args.Performer, args.Performer);
 
         args.Handled = true;
     }
@@ -116,7 +116,7 @@ public abstract partial class CP14SharedMagicSystem
             EntityManager.GetNetCoordinates(args.Coords),
             EntityManager.GetNetEntity(args.Entity),
             args.Cooldown);
-        UseDelayedAction(delayedEffect, (args.Action, magicEffect), doAfter, args.Performer);
+        UseDelayedAction(delayedEffect, (args.Action, magicEffect), doAfter, args.Performer, args.Entity, args.Coords);
 
         args.Handled = true;
     }
@@ -136,7 +136,7 @@ public abstract partial class CP14SharedMagicSystem
             return;
 
         var doAfter = new CP14DelayedEntityTargetActionDoAfterEvent(EntityManager.GetNetEntity(args.Target), args.Cooldown);
-        UseDelayedAction(delayedEffect, (args.Action, magicEffect), doAfter, args.Performer);
+        UseDelayedAction(delayedEffect, (args.Action, magicEffect), doAfter, args.Performer, args.Target);
 
         args.Handled = true;
     }

Resources/Prototypes/_CP14/Entities/Actions/Spells/Fire/T1_fire_rune.yml

@@ -0,0 +1,94 @@
+- type: entity
+  id: CP14ActionSpellFireRune
+  name: Fire rune
+  description: You create an area where a scalding stream of fire occurs with little delay.
+  components: 
+  - type: Sprite
+    sprite: _CP14/Effects/Magic/spells_icons.rsi
+    state: earth_wall
+  - type: CP14MagicEffectCastSlowdown
+    speedMultiplier: 0.5
+  - type: CP14MagicEffectManaCost
+    manaCost: 15
+  - type: CP14MagicEffect
+    magicType: Fire
+    telegraphyEffects:
+    - !type:CP14SpellSpawnEntityOnTarget
+      spawns:
+      - CP14TelegraphyFireRune
+    effects:
+    - !type:CP14SpellSpawnEntityOnTarget
+      spawns:
+      - CP14AreaEntityEffectFireRune
+  - type: CP14MagicEffectCastingVisual
+    proto: CP14RuneEarthWall
+  - type: EntityWorldTargetAction
+    range: 10
+    itemIconStyle: BigAction
+    sound: !type:SoundPathSpecifier
+      path: /Audio/Magic/rumble.ogg
+    icon:
+      sprite: _CP14/Effects/Magic/spells_icons.rsi
+      state: earth_wall
+    event: !type:CP14DelayedEntityWorldTargetActionEvent
+      cooldown: 10
+
+- type: entity
+  id: CP14TelegraphyFireRune
+  parent: CP14BaseMagicImpact
+  components:
+  - type: PointLight
+    color: "#eea911"
+  - type: TimedDespawn
+    lifetime: 0.8
+  - type: Sprite
+    noRot: true
+    drawdepth: BelowFloor
+    sprite: _CP14/Effects/Magic/area_impact.rsi
+    layers:
+    - state: area_impact_in
+      color: "#eea911"
+      scale: 2, 2
+      shader: unshaded
+
+- type: entity
+  id: CP14AreaEntityEffectFireRune
+  parent: CP14BaseMagicImpact
+  components:
+  - type: PointLight
+    color: "#eea911"
+  - type: Sprite
+    noRot: true
+    drawdepth: BelowFloor
+    sprite: _CP14/Effects/Magic/area_impact.rsi
+    layers:
+    - state: area_impact_out
+      color: "#eea911"
+      scale: 2, 2
+      shader: unshaded
+  - type: TimedDespawn
+    lifetime: 0.8
+  - type: CP14AreaEntityEffect
+    range: 1
+    whitelist:
+      components:
+      - Damageable
+    effects:
+    - !type:CP14SpellSpawnEntityOnTarget
+      spawns:
+      - CP14ImpactEffectTieflingRevenge
+    - !type:CP14SpellApplyEntityEffect
+      effects:
+      - !type:HealthChange
+        damage:
+          types:
+            Heat: 10
+
+- type: entity
+  parent: CP14BaseSpellScrollFire
+  id: CP14SpellScrollFireRune
+  name: fire rune spell scroll
+  components:
+  - type: CP14SpellStorage
+    spells:
+    - CP14ActionSpellFireRune

Resources/Textures/_CP14/Effects/Magic/area_impact.rsi/meta.json

@@ -0,0 +1,37 @@
+{
+  "version": 1,
+  "size": {
+    "x": 64,
+    "y": 64
+  },
+  "license": "CLA",
+  "copyright": "Created by TheShuEd",
+  "states": [
+    {
+      "name": "area_impact_in",
+      "delays": [
+        [
+          0.15,
+          0.15,
+          0.15,
+          0.15,
+          0.15,
+          1.1
+        ]
+      ]
+    },
+    {
+      "name": "area_impact_out",
+      "delays": [
+        [
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          1.1
+        ]
+      ]
+    }
+  ]
+}