Effects/DeferredPBR_GBufferEffect.cs

@@ -17,6 +17,7 @@ namespace Kav
         EffectParameter roughnessParam;
 
         EffectParameter uvOffsetAndDimensionsParam;
+        EffectParameter isSpriteParam;
 
         EffectParameter numTextureRowsParam;
         EffectParameter numTextureColumnsParam;
@@ -35,6 +36,8 @@ namespace Kav
         Vector2 uvOffset;
         Vector2 subTextureDimensions;
 
+        bool isSprite = false;
+
         int numTextureRows = 1;
         int numTextureColumns = 1;
 
@@ -178,6 +181,16 @@ namespace Kav
             }
         }
 
+        public bool IsSprite
+        {
+            get { return isSprite; }
+            set
+            {
+                isSprite = value;
+                isSpriteParam.SetValue(isSprite ? 1f : 0f);
+            }
+        }
+
         public bool HardwareInstancingEnabled
         {
             get { return hardwareInstancingEnabled; }
@@ -313,6 +326,7 @@ namespace Kav
             numTextureColumnsParam = Parameters["NumTextureColumns"];
 
             uvOffsetAndDimensionsParam = Parameters["UVOffsetAndDimensions"];
+            isSpriteParam = Parameters["IsSprite"];
 
             shaderIndexParam = Parameters["PixelShaderIndex"];
             vertexShaderIndexParam = Parameters["VertexShaderIndex"];

Effects/HLSL/DeferredPBR_GBufferEffect.fx

@@ -5,6 +5,7 @@ DECLARE_TEXTURE(NormalTexture, 1);
 DECLARE_TEXTURE(MetallicRoughnessTexture, 2);
 
 float4 UVOffsetAndDimensions;
+float IsSprite;
 
 BEGIN_CONSTANTS
 
@@ -119,7 +120,7 @@ PixelOutput NonePS(PixelInput input)
     PixelOutput output;
 
     output.gPosition = float4(input.PositionWorld, 1.0);
-    output.gNormal = float4(normalize(input.NormalWorld), 1.0);
+    output.gNormal = float4(normalize(input.NormalWorld), IsSprite);
     output.gAlbedo = float4(AlbedoValue, 1.0);
     output.gMetallicRoughness = float4(MetallicValue, RoughnessValue, 0.0, 1.0);
 
@@ -131,7 +132,7 @@ PixelOutput AlbedoPS(PixelInput input)
     PixelOutput output;
 
     output.gPosition = float4(input.PositionWorld, 1.0);
-    output.gNormal = float4(normalize(input.NormalWorld), 1.0);
+    output.gNormal = float4(normalize(input.NormalWorld), IsSprite);
     output.gAlbedo = SAMPLE_TEXTURE(AlbedoTexture, input.TexCoord);
     output.gMetallicRoughness = float4(MetallicValue, RoughnessValue, 0.0, 1.0);
 
@@ -145,7 +146,7 @@ PixelOutput MetallicRoughnessPS(PixelInput input)
     PixelOutput output;
 
     output.gPosition = float4(input.PositionWorld, 1.0);
-    output.gNormal = float4(normalize(input.NormalWorld), 1.0);
+    output.gNormal = float4(normalize(input.NormalWorld), IsSprite);
     output.gAlbedo = float4(AlbedoValue, 1.0);
     output.gMetallicRoughness = SAMPLE_TEXTURE(MetallicRoughnessTexture, input.TexCoord);
 
@@ -157,7 +158,7 @@ PixelOutput NormalPS(PixelInput input)
     PixelOutput output;
 
     output.gPosition = float4(input.PositionWorld, 1.0);
-    output.gNormal = float4(GetNormalFromMap(input.PositionWorld, input.TexCoord, input.NormalWorld), 1.0);
+    output.gNormal = float4(GetNormalFromMap(input.PositionWorld, input.TexCoord, input.NormalWorld), IsSprite);
     output.gAlbedo = float4(AlbedoValue, 1.0);
     output.gMetallicRoughness = float4(MetallicValue, RoughnessValue, 0.0, 1.0);
 
@@ -169,7 +170,7 @@ PixelOutput AlbedoMetallicRoughnessPS(PixelInput input)
     PixelOutput output;
 
     output.gPosition = float4(input.PositionWorld, 1.0);
-    output.gNormal = float4(normalize(input.NormalWorld), 1.0);
+    output.gNormal = float4(normalize(input.NormalWorld), IsSprite);
     output.gAlbedo = SAMPLE_TEXTURE(AlbedoTexture, input.TexCoord);
     output.gMetallicRoughness = SAMPLE_TEXTURE(MetallicRoughnessTexture, input.TexCoord);
 
@@ -183,7 +184,7 @@ PixelOutput AlbedoNormalPS(PixelInput input)
     PixelOutput output;
 
     output.gPosition = float4(input.PositionWorld, 1.0);
-    output.gNormal = float4(GetNormalFromMap(input.PositionWorld, input.TexCoord, input.NormalWorld), 1.0);
+    output.gNormal = float4(GetNormalFromMap(input.PositionWorld, input.TexCoord, input.NormalWorld), IsSprite);
     output.gAlbedo = SAMPLE_TEXTURE(AlbedoTexture, input.TexCoord);
     output.gMetallicRoughness = float4(MetallicValue, RoughnessValue, 0.0, 1.0);
 
@@ -197,7 +198,7 @@ PixelOutput MetallicRoughnessNormalPS(PixelInput input)
     PixelOutput output;
 
     output.gPosition = float4(input.PositionWorld, 1.0);
-    output.gNormal = float4(GetNormalFromMap(input.PositionWorld, input.TexCoord, input.NormalWorld), 1.0);
+    output.gNormal = float4(GetNormalFromMap(input.PositionWorld, input.TexCoord, input.NormalWorld), IsSprite);
     output.gAlbedo = float4(AlbedoValue, 1.0);
     output.gMetallicRoughness = SAMPLE_TEXTURE(MetallicRoughnessTexture, input.TexCoord);
 
@@ -209,7 +210,7 @@ PixelOutput AlbedoMetallicRoughnessNormalMapPS(PixelInput input)
     PixelOutput output;
 
     output.gPosition = float4(input.PositionWorld, 1.0);
-    output.gNormal = float4(GetNormalFromMap(input.PositionWorld, input.TexCoord, input.NormalWorld), 1.0);
+    output.gNormal = float4(GetNormalFromMap(input.PositionWorld, input.TexCoord, input.NormalWorld), IsSprite);
     output.gAlbedo = SAMPLE_TEXTURE(AlbedoTexture, input.TexCoord);
     output.gMetallicRoughness = SAMPLE_TEXTURE(MetallicRoughnessTexture, input.TexCoord);
 

Effects/HLSL/DeferredPBR_PointLightEffect.fx

@@ -80,17 +80,32 @@ float4 main_ps(PixelInput input) : SV_TARGET0
     float2 texCoord = 0.5f * float2(input.ScreenPosition.x,-input.ScreenPosition.y) + 0.5f;
 
     float3 worldPosition = SAMPLE_TEXTURE(gPosition, texCoord).rgb;
-    float3 normal = SAMPLE_TEXTURE(gNormal, texCoord).xyz;
+    float4 normalSample = SAMPLE_TEXTURE(gNormal, texCoord);
+    float3 normal = normalSample.xyz;
+    float isSprite = normalSample.a;
     float3 albedo = SAMPLE_TEXTURE(gAlbedo, texCoord).rgb;
     float2 metallicRoughness = SAMPLE_TEXTURE(gMetallicRoughness, texCoord).rg;
 
-    return ComputeColor(
-        worldPosition,
-        normal,
-        albedo,
-        metallicRoughness.r,
-        metallicRoughness.g
-    );
+    if (isSprite == 1.0)
+    {
+        float3 lightDir = PointLightPosition - worldPosition;
+        float3 L = normalize(lightDir);
+        float distance = length(lightDir);
+        float attenuation = 1.0 / (distance * distance);
+        float3 radiance = PointLightColor * attenuation;
+
+        return float4(albedo * radiance * 0.1, 1.0);
+    }
+    else
+    {
+        return ComputeColor(
+            worldPosition,
+            normal,
+            albedo,
+            metallicRoughness.r,
+            metallicRoughness.g
+        );
+    }
 }
 
 Technique DeferredPBR_Point

Effects/HLSL/DiffuseLitSpriteEffect.fx

@@ -98,6 +98,9 @@ float4 LightColor(float3 worldPosition, float3 worldNormal)
 float4 WithoutNormalMap(PixelShaderInput input) : COLOR0
 {
     float4 tex = SAMPLE_TEXTURE(Texture, input.TexCoord);
+
+    if (tex.a == 0.0) { discard; }
+
     float3 normalWS = normalize(input.NormalWS);
 
     return tex * LightColor(input.PositionWS, normalWS);
@@ -106,6 +109,9 @@ float4 WithoutNormalMap(PixelShaderInput input) : COLOR0
 float4 WithNormalMap(PixelShaderInput input) : COLOR0
 {
     float4 tex = SAMPLE_TEXTURE(Texture, input.TexCoord);
+
+    if (tex.a == 0.0) { discard; }
+
     float3 normalWS = GetNormalFromMap(input.PositionWS, input.TexCoord, input.NormalWS);
 
     return tex * LightColor(input.PositionWS, normalWS);

Effects/HLSL/PaletteCrushEffect.fx

@@ -1,7 +1,5 @@
 #include "Macros.fxh"
 
-#define FLT_MAX 3.402823466e+38
-
 DECLARE_TEXTURE(Texture, 0);
 DECLARE_TEXTURE(Palette, 1);
 
@@ -40,11 +38,12 @@ float4 main_ps(PixelInput input) : SV_TARGET0
 	float3 sampled_color = sampled.rgb;
 	
 	float3 closest_color = float3(0, 0, 0);
-	float closest_dist = FLT_MAX;
+	float closest_dist = 100000;
 
 	for (int i = 0; i < PaletteWidth; i++)
 	{
-		float3 palette_color = SAMPLE_TEXTURE(Palette, float2(i / (float)PaletteWidth, 0));
+		float texX = (i / (float)PaletteWidth);
+		float3 palette_color = SAMPLE_TEXTURE(Palette, float2(texX, 0));
 		float dist = distance(palette_color, sampled_color);
 		if (dist < closest_dist)
 		{

Renderer.cs

@@ -199,14 +199,17 @@ namespace Kav
         public void RenderMeshSpriteGBuffer(
             RenderTargetBinding[] gBuffer,
             PerspectiveCamera camera,
-            IEnumerable<MeshSpriteDrawData> meshSpriteDrawDatas
+            IEnumerable<MeshSpriteDrawData> meshSpriteDrawDatas,
+            DepthStencilState depthStencilState
         ) {
             GraphicsDevice.SetRenderTargets(gBuffer);
             GraphicsDevice.RasterizerState = RasterizerState.CullNone;
-            GraphicsDevice.DepthStencilState = DepthStencilState.Default;
+            GraphicsDevice.DepthStencilState = depthStencilState;
             GraphicsDevice.BlendState = BlendState.AlphaBlend;
 
             Deferred_GBufferEffect.HardwareInstancingEnabled = false;
+            Deferred_GBufferEffect.IsSprite = true;
+
             Deferred_GBufferEffect.View = camera.View;
             Deferred_GBufferEffect.Projection = camera.Projection;
 
@@ -375,6 +378,21 @@ namespace Kav
             );
         }
 
+        public void RenderDepthIndexed<T>(
+            RenderTarget2D renderTarget,
+            PerspectiveCamera camera,
+            T drawable,
+            DepthStencilState depthStencilState
+        ) where T : IIndexDrawable {
+            GraphicsDevice.SetRenderTarget(renderTarget);
+            GraphicsDevice.DepthStencilState = depthStencilState;
+
+            SimpleDepthEffect.View = camera.View;
+            SimpleDepthEffect.Projection = camera.Projection;
+
+            RenderIndexed(GraphicsDevice, drawable, SimpleDepthEffect);
+        }
+
         public void RenderSkybox(
             RenderTarget2D renderTarget,
             PerspectiveCamera camera,
@@ -418,6 +436,7 @@ namespace Kav
             GraphicsDevice.BlendState = BlendState.Opaque;
 
             Deferred_GBufferEffect.HardwareInstancingEnabled = true;
+            Deferred_GBufferEffect.IsSprite = false;
 
             Deferred_GBufferEffect.Albedo = drawable.Albedo;
             Deferred_GBufferEffect.Metallic = drawable.Metallic;
@@ -465,6 +484,7 @@ namespace Kav
             GraphicsDevice.DepthStencilState = DepthStencilState.Default;
             GraphicsDevice.BlendState = BlendState.Opaque;
 
+            Deferred_GBufferEffect.IsSprite = false;
             Deferred_GBufferEffect.HardwareInstancingEnabled = false;
             Deferred_GBufferEffect.View = camera.View;
             Deferred_GBufferEffect.Projection = camera.Projection;