Reworked native-to-managed interface to particle effects, to group together similar types of effects and distinguish them using an enum. This reduces the need for a ton of similar-looking overloads and all of the callback delegate boilerplate that comes along with it.

Assets/Scripts/Modules/GameModule.Interop.cs

@@ -19,8 +19,7 @@ public partial class GameModule : CallbackHandler<GameModule>
             SetEntitySkin = CreateCallback<GameSetEntitySkinCallback>(Callback_GameSetEntitySkin),
             
             RunParticleEffect = CreateCallback<RunParticleEffectCallback>(Callback_RunParticleEffect),
-            ParticleExplosion = CreateCallback<ParticleExplosionCallback>(Callback_ParticleExplosion),
-            TeleportSplash = CreateCallback<TeleportSplashCallback>(Callback_TeleportSplash),
+            CreateParticleEffect = CreateCallback<CreateParticleEffectCallback>(Callback_CreateParticleEffect),
         };
         
         RegisterCallbacks(callbacks);
@@ -39,8 +38,7 @@ public partial class GameModule : CallbackHandler<GameModule>
         public IntPtr SetEntitySkin;
         
         public IntPtr RunParticleEffect;
-        public IntPtr ParticleExplosion;
-        public IntPtr TeleportSplash;
+        public IntPtr CreateParticleEffect;
     }
 
     [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
@@ -110,24 +108,18 @@ public partial class GameModule : CallbackHandler<GameModule>
     }
 
     [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
-    private delegate void ParticleExplosionCallback(IntPtr context, ref QVec3 origin);
+    private delegate void CreateParticleEffectCallback(IntPtr context, ParticleEffect type, ref QVec3 origin, uint colorMin, uint colorMax);
 
-    [MonoPInvokeCallback(typeof(ParticleExplosionCallback))]
-    private static void Callback_ParticleExplosion(IntPtr context, ref QVec3 origin)
+    [MonoPInvokeCallback(typeof(CreateParticleEffectCallback))]
+    private static void Callback_CreateParticleEffect(IntPtr context, ParticleEffect type, ref QVec3 origin, uint colorMin, uint colorMax)
     {
-        Profiler.BeginSample("ParticleExplosion");
-        GetSelf(context).ParticleExplosion(origin.ToUnityPosition());
-        Profiler.EndSample();
-    }
+        Profiler.BeginSample("CreateParticleEffect");
         
-    [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
-    private delegate void TeleportSplashCallback(IntPtr context, ref QVec3 origin);
+        if (type == ParticleEffect.Explosion2)
+            GetSelf(context).CreateParticleExplosion(origin.ToUnityPosition(), colorMin.ToColor(), colorMax.ToColor());
+        else
+            GetSelf(context).CreateParticleEffect(type, origin.ToUnityPosition());
         
-    [MonoPInvokeCallback(typeof(TeleportSplashCallback))]
-    private static void Callback_TeleportSplash(IntPtr context, ref QVec3 origin)
-    {
-        Profiler.BeginSample("TeleportSplash");
-        GetSelf(context).TeleportSplash(origin.ToUnityPosition());
         Profiler.EndSample();
     }
 }

Assets/Scripts/Modules/GameModule.cs

@@ -73,13 +73,43 @@ public partial class GameModule
         uq.CurrentStyle.Particles.RunParticleEffect(position, direction, colorMin,colorMax, count, uq.GameLayer);
     }
     
-    private void ParticleExplosion(Vector3 position)
+    private void CreateParticleEffect(ParticleEffect type, Vector3 position)
     {
+        switch (type)
+        {
+            case ParticleEffect.Explosion:
                 uq.CurrentStyle.Particles.CreateExplosion(position, uq.GameLayer);
+                break;
+            case ParticleEffect.TeleportSplash:
+                uq.CurrentStyle.Particles.CreateTeleportSplash(position, uq.GameLayer);
+                break;
+        }
     }
     
-    private void TeleportSplash(Vector3 position)
+    private void CreateParticleExplosion(Vector3 position, Color colorMin, Color colorMax)
     {
-        uq.CurrentStyle.Particles.CreateTeleportSplash(position, uq.GameLayer);
+        
+    }
+
+    // Should correspond to particle_effect_t in game_uniquake.c
+    private enum ParticleEffect
+    {
+        Explosion = 0,
+        Explosion2,
+        BlobExplosion,
+        LavaSplash,
+        TeleportSplash,
+    }
+
+    // Should correspond to `int type` argument in R_RocketTrail
+    private enum ParticleTrail
+    {
+        Rocket = 0,
+        Smoke = 1,
+        Blood = 2,
+        Tracer = 3,
+        SlightBlood = 4,
+        Tracer2 = 5,
+        VoreBall = 6,
     }
 }

Assets/Styles/GLQuake/Particles/Particle.mat

@@ -26,7 +26,7 @@ Material:
   m_LightmapFlags: 4
   m_EnableInstancingVariants: 0
   m_DoubleSidedGI: 0
-  m_CustomRenderQueue: 3000
+  m_CustomRenderQueue: 3001
   stringTagMap:
     RenderType: Transparent
   disabledShaderPasses:
@@ -120,7 +120,7 @@ Material:
     - _Mode: 0
     - _OcclusionStrength: 1
     - _Parallax: 0.005
-    - _QueueOffset: 0
+    - _QueueOffset: 1
     - _ReceiveShadows: 1
     - _Smoothness: 0.5
     - _SmoothnessTextureChannel: 0

engine/UniQuake/game_uniquake.c

@@ -11,8 +11,7 @@ typedef struct unity_gamecalls_s
 	void(*SetEntitySkin)(void *context, int entityNum, int skinNum);
 
 	void(*RunParticleEffect)(void *context, vec3_t origin, vec3_t direction, unsigned int colorMin, unsigned int colorMax, int count);
-	void(*ParticleExplosion)(void *context, vec3_t origin);
-	void(*TeleportSplash)(void *context, vec3_t origin);
+	void(*CreateParticleEffect)(void *context, int type, vec3_t origin, unsigned int colorMin, unsigned int colorMax);
 } unity_gamecalls_t;
 
 static void *unity_context;
@@ -57,12 +56,21 @@ void UQ_Game_RunParticleEffect(vec3_t origin, vec3_t direction, int color, int c
 	unity_gamecalls->RunParticleEffect(unity_context, origin, direction, colorMin, colorMax, count);
 }
 
+typedef enum
+{
+	PARTFX_EXPLOSION = 0,
+	PARTFX_EXPLOSION2,
+	PARTFX_BLOB_EXPLOSION,
+	PARTFX_LAVA_SPLASH,
+	PARTFX_TELEPORT_SPLASH,
+} particle_effect_t;
+
 void UQ_Game_ParticleExplosion(vec3_t origin)
 {
-	unity_gamecalls->ParticleExplosion(unity_context, origin);
+	unity_gamecalls->CreateParticleEffect(unity_context, PARTFX_EXPLOSION, origin, 0, 0);
 }
 
 void UQ_Game_TeleportSplash(vec3_t origin)
 {
-	unity_gamecalls->TeleportSplash(unity_context, origin);
+	unity_gamecalls->CreateParticleEffect(unity_context, PARTFX_TELEPORT_SPLASH, origin, 0, 0);
 }