Port mod from MCP to Forge!

The only known regression is the sides of LOD=1 chunks look darker for some
reason

4 files changed, 104 insertions, 2 deletions

diff --git a/src/main/resources/META-INF/LODMod_at.cfg b/src/main/resources/META-INF/LODMod_at.cfg
new file mode 100644
index 0000000..ff15140
--- /dev/null
+++ b/src/main/resources/META-INF/LODMod_at.cfg
@@ -0,0 +1,2 @@
+public net.minecraft.client.renderer.texture.TextureMap field_94252_e #mapUploadedSprites
+public net.minecraft.client.renderer.Tessellator func_78379_d()V #reset
\ No newline at end of file
diff --git a/src/main/resources/lodmod.mixin.json b/src/main/resources/lodmod.mixin.json
index 8ded54d..d8bfed1 100644
--- a/src/main/resources/lodmod.mixin.json
+++ b/src/main/resources/lodmod.mixin.json
@@ -5,8 +5,13 @@
     "refmap": "lodmod.mixin.refmap.json",
     "compatibilityLevel": "JAVA_8",
     "mixins": [
-        "MixinSoundManager",
+        "MixinChunkCache",
         "MixinEntityRenderer",
-        "IRenderGlobal"
+        "MixinMinecraftServer",
+        "MixinRenderGlobal",
+        "MixinSoundManager",
+        "MixinSoundManager",
+        "MixinTessellator",
+        "MixinWorldRenderer"
     ]
 }
diff --git a/src/main/resources/shaders/chunk.frag b/src/main/resources/shaders/chunk.frag
new file mode 100644
index 0000000..ae187cb
--- /dev/null
+++ b/src/main/resources/shaders/chunk.frag
@@ -0,0 +1,61 @@
+#version 330 core
+out vec4 FragColor;
+
+in vec2 TexCoord;
+in vec2 BTexCoord;
+in vec4 DaColor;
+in vec4 Viewport;
+in mat4 ProjInv;
+in vec4 FogColor;
+in vec2 FogStartEnd;
+
+uniform sampler2D atlas;
+uniform sampler2D lightTex;
+
+void main()
+{
+	//FragColor = texture(lightTex, TexCoord);
+	//FragColor = texture(lightTex, vec2(8.0/256.0,8.0/256.0));
+	//FragColor = texture(lightTex, vec2(0, 0));
+	//FragColor = vec4(texture(lightTex, vec2(0, 0)).xyz,1);
+	//FragColor = vec4(BTexCoord.xy / 256, 0, 1);
+	//FragColor = texture(lightTex, (BTexCoord + 8.0) / 256.0);
+	//FragColor = texture(light, vec2(16,16));
+	//FragColor = vec4(1,0,0,1);
+	//FragColor = DaColor/256.0;
+	
+	vec4 texColor = texture(atlas, TexCoord);
+	vec4 colorMult = DaColor/256.0;
+	
+	vec4 lightyColor = texture(lightTex, (BTexCoord + 8.0) / 256.0);
+	//vec4 lightyMultColor = vec4(lightyColor.x * colorMult.x, lightyColor.y * colorMult.y, lightyColor.z * colorMult.z, lightyColor.w * colorMult.w);
+	
+	//FragColor = vec4(texColor.x * colorMult.x, texColor.y * colorMult.y, texColor.z * colorMult.z, texColor.w * colorMult.w);
+	//vec4 texMultColor = texColor * colorMult;
+	
+	//FragColor = texMultColor;// + (lightyColor - vec4(0.5,0.5,0.5,0.0));
+	//FragColor = vec4(lightyColor.xyz, 1);
+	//FragColor = ((texColor * colorMult) * lightyColor);
+	vec4 rasterColor = ((texColor * colorMult) * lightyColor);
+	float s = FogStartEnd.x;
+	float e = FogStartEnd.y;
+	
+	vec4 ndcPos;
+	ndcPos.xy = ((2.0 * gl_FragCoord.xy) - (2.0 * Viewport.xy)) / (Viewport.zw) - 1;
+	ndcPos.z = (2.0 * gl_FragCoord.z - gl_DepthRange.near - gl_DepthRange.far) /
+		(gl_DepthRange.far - gl_DepthRange.near);
+	ndcPos.w = 1.0;
+
+	vec4 clipPos = ndcPos / gl_FragCoord.w;
+	vec4 eyePos = ProjInv * clipPos;
+	
+	float z = length(eyePos);
+	/*
+	if(z < 200){
+		discard;
+	}
+	*/
+	float f = (e - z) / (e - s);
+	f = clamp(f, 0, 1);
+	FragColor = mix(FogColor, rasterColor, f);
+}
\ No newline at end of file
diff --git a/src/main/resources/shaders/chunk.vert b/src/main/resources/shaders/chunk.vert
new file mode 100644
index 0000000..3f2ad1c
--- /dev/null
+++ b/src/main/resources/shaders/chunk.vert
@@ -0,0 +1,34 @@
+#version 330 core
+layout (location = 0) in vec3 aPos;
+layout (location = 1) in vec2 aTexCoord;
+layout (location = 2) in vec2 aBTexCoord;
+layout (location = 3) in vec4 aDaColor;
+
+uniform mat4 modelView;
+uniform mat4 proj;
+uniform mat4 projInv;
+uniform vec4 viewport;
+uniform vec4 fogColor;
+uniform vec2 fogStartEnd;
+
+uniform vec3 playerPos;
+
+out vec2 TexCoord;
+out vec2 BTexCoord;
+out vec4 DaColor;
+out vec4 Viewport;
+out mat4 ProjInv;
+out vec4 FogColor;
+out vec2 FogStartEnd;
+
+void main()
+{
+    gl_Position = proj * modelView * vec4(aPos - playerPos, 1.0);
+	TexCoord = aTexCoord;
+	BTexCoord = aBTexCoord;
+	DaColor = aDaColor;
+	Viewport = viewport;
+	ProjInv = projInv;
+	FogColor = fogColor;
+	FogStartEnd = fogStartEnd;
+}
\ No newline at end of file