Projectile spells + fireball spell (#9058)

* Projectile spells + fireball spell

* say it with some gumption

Content.Server/Magic/Events/ProjectileSpellEvent.cs

@@ -0,0 +1,20 @@
+using Content.Shared.Actions;
+using Content.Shared.Sound;
+using Robust.Shared.Prototypes;
+using Robust.Shared.Serialization.TypeSerializers.Implementations.Custom.Prototype;
+
+namespace Content.Server.Magic.Events;
+
+public sealed class ProjectileSpellEvent : WorldTargetActionEvent
+{
+    /// <summary>
+    /// What entity should be spawned.
+    /// </summary>
+    [DataField("prototype", required: true, customTypeSerializer: typeof(PrototypeIdSerializer<EntityPrototype>))]
+    public string Prototype = default!;
+
+    /// <summary>
+    /// Gets the targeted spawn positions; may lead to multiple entities being spawned.
+    /// </summary>
+    [DataField("posData")] public MagicSpawnData Pos = new TargetCasterPos();
+}

Content.Server/Magic/MagicSystem.cs

@@ -4,7 +4,9 @@ using Content.Server.Decals;
 using Content.Server.DoAfter;
 using Content.Server.Doors.Components;
 using Content.Server.Magic.Events;
+using Content.Server.Popups;
 using Content.Server.Spawners.Components;
+using Content.Server.Weapon.Ranged.Systems;
 using Content.Shared.Actions;
 using Content.Shared.Actions.ActionTypes;
 using Content.Shared.Doors.Components;
@@ -33,6 +35,7 @@ public sealed class MagicSystem : EntitySystem
     [Dependency] private readonly SharedDoorSystem _doorSystem = default!;
     [Dependency] private readonly SharedActionsSystem _actionsSystem = default!;
     [Dependency] private readonly DoAfterSystem _doAfter = default!;
+    [Dependency] private readonly GunSystem _gunSystem = default!;
 
     public override void Initialize()
     {
@@ -47,7 +50,7 @@ public sealed class MagicSystem : EntitySystem
         SubscribeLocalEvent<TeleportSpellEvent>(OnTeleportSpell);
         SubscribeLocalEvent<KnockSpellEvent>(OnKnockSpell);
         SubscribeLocalEvent<WorldSpawnSpellEvent>(OnWorldSpawn);
-
+        SubscribeLocalEvent<ProjectileSpellEvent>(OnProjectileSpell);
     }
 
     private void OnInit(EntityUid uid, SpellbookComponent component, ComponentInit args)
@@ -142,6 +145,20 @@ public sealed class MagicSystem : EntitySystem
         args.Handled = true;
     }
 
+    private void OnProjectileSpell(ProjectileSpellEvent ev)
+    {
+        if (ev.Handled)
+            return;
+
+        var xform = Transform(ev.Performer);
+
+        foreach (var pos in GetSpawnPositions(xform, ev.Pos))
+        {
+            var ent = Spawn(ev.Prototype, pos.SnapToGrid(EntityManager, _mapManager));
+            _gunSystem.ShootProjectile(ent,ev.Target.Position - Transform(ent).MapPosition.Position, ev.Performer);
+        }
+    }
+
     private List<EntityCoordinates> GetSpawnPositions(TransformComponent casterXform, MagicSpawnData data)
     {
         switch (data)

Content.Server/Weapon/Ranged/Systems/GunSystem.cs

@@ -154,7 +154,7 @@ public sealed partial class GunSystem : SharedGunSystem
         }, false);
     }
 
-    private void ShootProjectile(EntityUid uid, Vector2 direction, EntityUid? user = null)
+    public void ShootProjectile(EntityUid uid, Vector2 direction, EntityUid? user = null)
     {
         var physics = EnsureComp<PhysicsComponent>(uid);
         physics.BodyStatus = BodyStatus.InAir;

Resources/Audio/Magic/licenses.txt

@@ -2,4 +2,6 @@ https://github.com/Citadel-Station-13/Citadel-Station-13/blob/master/sound/magic
 https://github.com/Citadel-Station-13/Citadel-Station-13/blob/master/sound/magic/blink.ogg
 https://github.com/Citadel-Station-13/Citadel-Station-13/blob/master/sound/magic/Knock.ogg
 
+fireball.ogg taken from /tg/station at https://github.com/tgstation/tgstation/commit/906fb0682bab6a0975b45036001c54f021f58ae7
+
 copyright: CC BY-SA 3.0

Resources/Locale/en-US/magic/spells-actions.ftl

@@ -15,3 +15,7 @@ action-description-spell-blink = Teleport to the clicked location.
 action-name-spell-summon-magicarp = Summon Magicarp
 action-description-spell-summon-magicarp = This spell summons three Magi-Carp to your aid! May or may not turn on user.
 action-speech-spell-summon-magicarp = AIE KHUSE EU
+
+action-name-spell-fireball = Fireball
+action-description-spell-fireball = Fires an explosive fireball towards the clicked location.
+action-speech-spell-fireball = ONI'SOMA!

Resources/Prototypes/Entities/Objects/Magic/books.yml

@@ -63,3 +63,17 @@
     - type: Spellbook
       instantSpells:
         Knock: -1
+
+- type: entity
+  id: FireballSpellbook
+  name: fireball spellbook
+  parent: BaseSpellbook
+  components:
+  - type: Sprite
+    netsync: false
+    sprite: Objects/Magic/spellbooks.rsi
+    layers:
+    - state: bookfireball
+  - type: Spellbook
+    worldSpells:
+      Fireball: -1

Resources/Prototypes/Entities/Objects/Weapons/Guns/Projectiles/magic.yml

@@ -0,0 +1,17 @@
+- type: entity
+  id: ProjectileFireball
+  name: fireball
+  description: You better GITTAH WEIGH.
+  parent: BulletRocket
+  noSpawn: true
+  components:
+  - type: Sprite
+    sprite: Objects/Weapons/Guns/Projectiles/magic.rsi
+    layers:
+    - state: fireball
+  - type: Explosive
+    explosionType: Default
+    maxIntensity: 40
+    intensitySlope: 6
+    totalIntensity: 200
+    maxTileBreak: 0

Resources/Prototypes/Magic/projectile_spells.yml

@@ -0,0 +1,17 @@
+- type: worldTargetAction
+  id: Fireball
+  name: action-name-spell-fireball
+  description: action-description-spell-fireball
+  useDelay: 30
+  speech: action-speech-spell-fireball
+  itemIconStyle: BigAction
+  checkCanAccess: false
+  range: 60
+  sound: !type:SoundPathSpecifier
+    path: /Audio/Magic/fireball.ogg
+  icon:
+    sprite: Objects/Magic/magicactions.rsi
+    state: fireball
+  serverEvent: !type:ProjectileSpellEvent
+    prototype: ProjectileFireball
+    posData: !type:TargetCasterPos

Resources/Textures/Objects/Magic/magicactions.rsi/meta.json

@@ -1,7 +1,7 @@
 {
   "version": 1,
   "license": "CC-BY-SA-3.0",
-  "copyright": "https://github.com/Citadel-Station-13/Citadel-Station-13/commit/78db6bd5c2b2b3d1f5cd8fd75be3a39d5d929943",
+  "copyright": "https://github.com/Citadel-Station-13/Citadel-Station-13/commit/78db6bd5c2b2b3d1f5cd8fd75be3a39d5d929943 andhttps://github.com/tgstation/tgstation/commit/906fb0682bab6a0975b45036001c54f021f58ae7 ",
   "size": {
     "x": 32,
     "y": 32
@@ -18,6 +18,15 @@
     },
     {
       "name": "blink"
+    },
+    {
+      "name": "fireball"
+    },
+    {
+      "name": "magicmissile"
+    },
+    {
+      "name": "gib"
     }
   ]
 }

Resources/Textures/Objects/Weapons/Guns/Projectiles/magic.rsi/meta.json

@@ -0,0 +1,128 @@
+{
+  "version": 1,
+  "license": "CC-BY-SA-3.0",
+  "copyright": "Tgstation at https://github.com/tgstation/tgstation/commit/906fb0682bab6a0975b45036001c54f021f58ae7",
+  "size": {
+    "x": 32,
+    "y": 32
+  },
+  "states": [
+    {
+      "name": "energy",
+      "delays": [
+        [
+          0.1,
+          0.1,
+          0.1
+        ]
+      ]
+    },
+    {
+      "name": "magicm",
+      "delays": [
+        [
+          0.1,
+          0.1,
+          0.1,
+          0.1
+        ]
+      ]
+    },
+    {
+      "name": "spell",
+      "delays": [
+        [
+          0.1,
+          0.1,
+          0.1
+        ]
+      ]
+    },
+    {
+      "name": "ice"
+    },
+    {
+      "name": "declone"
+    },
+    {
+      "name": "bluespace",
+      "delays": [
+        [
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1,
+          0.1
+        ]
+      ]
+    },
+    {
+      "name": "energy2",
+      "delays": [
+        [
+          0.1,
+          0.1,
+          0.1
+        ]
+      ]
+    },
+    {
+      "name": "energy3",
+      "delays": [
+        [
+          0.1,
+          0.1,
+          0.1
+        ]
+      ]
+    },
+    {
+      "name": "chronobolt"
+    },
+    {
+      "name": "arcane_barrage"
+    },
+    {
+      "name": "fireball",
+      "delays": [
+        [
+          0.095,
+          0.095,
+          0.095,
+          0.095,
+          0.095
+        ]
+      ]
+    },
+    {
+      "name": "spellcard"
+    },
+    {
+      "name": "blastwave",
+      "delays": [
+        [
+          0.1,
+          0.1,
+          0.1,
+          0.1
+        ]
+      ]
+    },
+    {
+      "name": "infernoshot",
+      "delays": [
+        [
+          0.1,
+          0.1,
+          0.1
+        ]
+      ]
+    },
+    {
+      "name": "cryoshot"
+    }
+  ]
+}