86 lines
2.0 KiB
HLSL
86 lines
2.0 KiB
HLSL
mat4x4 View;
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mat4x4 TransformMatrix;
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float2 PaletteRows;
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float4 LightDirection;
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float3 AmbientLight, DiffuseLight;
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sampler2D DiffuseTexture = sampler_state {
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MinFilter = Nearest;
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MagFilter = Nearest;
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WrapS = Repeat;
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WrapT = Repeat;
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};
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sampler2D Palette = sampler_state {
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MinFilter = Nearest;
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MagFilter = Nearest;
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WrapS = Repeat;
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WrapT = Repeat;
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};
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struct VertexIn {
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float4 Position: POSITION;
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float4 Tex0: TEXCOORD0;
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};
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struct VertexOut {
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float4 Position: POSITION;
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float2 Tex0: TEXCOORD0;
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float4 ColorChannel: TEXCOORD1;
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float4 NormalsChannel: TEXCOORD2;
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};
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float4 DecodeChannelMask(float x)
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{
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if (x > 0)
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return (x > 0.5f) ? float4(1,0,0,0) : float4(0,1,0,0);
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else
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return (x <-0.5f) ? float4(0,0,0,1) : float4(0,0,1,0);
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}
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VertexOut Simple_vp(VertexIn v) {
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VertexOut o;
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o.Position = mul(mul(v.Position, TransformMatrix), View);
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o.Tex0 = v.Tex0.xy;
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o.ColorChannel = DecodeChannelMask(v.Tex0.z);
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o.NormalsChannel = DecodeChannelMask(v.Tex0.w);
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return o;
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}
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float4 Simple_fp(VertexOut f) : COLOR0 {
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float4 x = tex2D(DiffuseTexture, f.Tex0.xy);
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vec4 color = tex2D(Palette, float2(dot(x, f.ColorChannel), PaletteRows.x));
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if (color.a < 0.01)
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discard;
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float4 normal = (2.0*tex2D(Palette, vec2(dot(x, f.NormalsChannel), PaletteRows.y)) - 1.0);
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float3 intensity = AmbientLight + DiffuseLight*max(dot(normal, LightDirection), 0.0);
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return float4(intensity*color.rgb, color.a);
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}
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technique high_quality {
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pass p0 {
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BlendEnable = true;
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DepthTestEnable = true;
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CullFaceEnable = false;
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VertexProgram = compile latest Simple_vp();
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FragmentProgram = compile latest Simple_fp();
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BlendEquation = FuncAdd;
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BlendFunc = int2(SrcAlpha, OneMinusSrcAlpha);
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}
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}
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technique high_quality_cg21 {
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pass p0 {
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BlendEnable = true;
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DepthTestEnable = true;
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CullFaceEnable = false;
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VertexProgram = compile arbvp1 Simple_vp();
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FragmentProgram = compile arbfp1 Simple_fp();
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BlendEquation = FuncAdd;
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BlendFunc = int2(SrcAlpha, OneMinusSrcAlpha);
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}
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} |