[unity] Pass ceramic blending params onto unity shader as separate pa…

…rameters 👍
ceramic-engine · Nov 15, 2020 · ef1a915 · ef1a915
1 parent 2f3f79f
commit ef1a915
Show file tree

Hide file tree

Showing 5 changed files with 51 additions and 5 deletions.
diff --git a/plugins/unity/assets/msdf.shader b/plugins/unity/assets/msdf.shader
@@ -4,6 +4,10 @@ Shader "msdf"
 	{
 		[PerRendererData] _MainTex ("Main Texture", 2D) = "white" {}
 		_Color ("Tint", Color) = (1,1,1,1)
+		_SrcBlendRgb ("Src Rgb", Int) = 0
+     	_DstBlendRgb ("Dst Rgb", Int) = 0
+		_SrcBlendAlpha ("Src Alpha", Int) = 0
+     	_DstBlendAlpha ("Dst Alpha", Int) = 0
 		texSize ("texSize", Vector) = (0,0,0,0)
 		pxRange ("pxRange", Float) = 0.0
 	}
@@ -22,7 +26,7 @@ Shader "msdf"
 		Cull Off
 		Lighting Off
 		ZWrite Off
-		Blend One OneMinusSrcAlpha
+		Blend [_SrcBlendRgb] [_DstBlendRgb], [_SrcBlendAlpha] [_DstBlendAlpha]
 
 		Pass
 		{

diff --git a/plugins/unity/assets/pixelArt.shader b/plugins/unity/assets/pixelArt.shader
@@ -4,6 +4,10 @@ Shader "pixelArt"
 	{
 		[PerRendererData] _MainTex ("Main Texture", 2D) = "white" {}
 		_Color ("Tint", Color) = (1,1,1,1)
+		_SrcBlendRgb ("Src Rgb", Int) = 0
+     	_DstBlendRgb ("Dst Rgb", Int) = 0
+		_SrcBlendAlpha ("Src Alpha", Int) = 0
+     	_DstBlendAlpha ("Dst Alpha", Int) = 0
 	}
 
 	SubShader
@@ -20,7 +24,7 @@ Shader "pixelArt"
 		Cull Off
 		Lighting Off
 		ZWrite Off
-		Blend One OneMinusSrcAlpha
+		Blend [_SrcBlendRgb] [_DstBlendRgb], [_SrcBlendAlpha] [_DstBlendAlpha]
 
 		Pass
 		{

diff --git a/plugins/unity/assets/textured.shader b/plugins/unity/assets/textured.shader
@@ -4,6 +4,10 @@ Shader "textured"
 	{
 		[PerRendererData] _MainTex ("Main Texture", 2D) = "white" {}
 		_Color ("Tint", Color) = (1,1,1,1)
+		_SrcBlendRgb ("Src Rgb", Int) = 0
+     	_DstBlendRgb ("Dst Rgb", Int) = 0
+		_SrcBlendAlpha ("Src Alpha", Int) = 0
+     	_DstBlendAlpha ("Dst Alpha", Int) = 0
 	}
 
 	SubShader
@@ -20,7 +24,7 @@ Shader "textured"
 		Cull Off
 		Lighting Off
 		ZWrite Off
-		Blend One OneMinusSrcAlpha
+		Blend [_SrcBlendRgb] [_DstBlendRgb], [_SrcBlendAlpha] [_DstBlendAlpha]
 
 		Pass
 		{

diff --git a/plugins/unity/runtime/src/backend/MaterialData.hx b/plugins/unity/runtime/src/backend/MaterialData.hx
@@ -104,4 +104,33 @@ class MaterialData {
 
     }
 
+    public static function blendingToUnityBlending(blending:backend.BlendMode):unityengine.rendering.BlendMode {
+
+        return switch blending {
+            case ZERO:
+                unityengine.rendering.BlendMode.Zero;
+            case ONE:
+                unityengine.rendering.BlendMode.One;
+            case SRC_COLOR:
+                unityengine.rendering.BlendMode.SrcColor;
+            case ONE_MINUS_SRC_COLOR:
+                unityengine.rendering.BlendMode.OneMinusSrcColor;
+            case SRC_ALPHA:
+                unityengine.rendering.BlendMode.SrcAlpha;
+            case ONE_MINUS_SRC_ALPHA:
+                unityengine.rendering.BlendMode.OneMinusSrcAlpha;
+            case DST_ALPHA:
+                unityengine.rendering.BlendMode.DstAlpha;
+            case ONE_MINUS_DST_ALPHA:
+                unityengine.rendering.BlendMode.OneMinusDstAlpha;
+            case DST_COLOR:
+                unityengine.rendering.BlendMode.DstColor;
+            case ONE_MINUS_DST_COLOR:
+                unityengine.rendering.BlendMode.OneMinusDstColor;
+            case SRC_ALPHA_SATURATE:
+                unityengine.rendering.BlendMode.SrcAlphaSaturate;
+        }
+
+    }
+
 }
diff --git a/plugins/unity/runtime/src/backend/Materials.hx b/plugins/unity/runtime/src/backend/Materials.hx
@@ -51,14 +51,19 @@ class Materials {
         repository.push(materialData);
 
         if (texture != null) {
-            untyped __cs__('material.mainTexture = {1}', material, texture.unityTexture);
+            untyped __cs__('material.mainTexture = {0}', texture.unityTexture);
         }
         else {
-            untyped __cs__('material.mainTexture = {1}', material, null);
+            untyped __cs__('material.mainTexture = {0}', null);
         }
 
         materialData.syncShaderParams();
 
+        untyped __cs__('material.SetInt("_SrcBlendRgb", (int){0})', MaterialData.blendingToUnityBlending(materialData.srcRgb));
+        untyped __cs__('material.SetInt("_DstBlendRgb", (int){0})', MaterialData.blendingToUnityBlending(materialData.dstRgb));
+        untyped __cs__('material.SetInt("_SrcBlendAlpha", (int){0})', MaterialData.blendingToUnityBlending(materialData.srcAlpha));
+        untyped __cs__('material.SetInt("_DstBlendAlpha", (int){0})', MaterialData.blendingToUnityBlending(materialData.dstAlpha));
+
         return materialData;
 
     }