private void Init()
{
_shaderSettings = CreateInstance <ShaderSettings>();
_showProperties = true;
_showSubshaders = true;
_showFallbackSettings = true;
_showCommentSettings = true;
}
public static string Generate(ShaderSettings shader, string tabString)
{
var writer = new IndentedTextWriter(new StringWriter(), tabString);
// Shader name
writer.WriteLine("Shader \"{0}\" {{", shader.Name);
writer.Indent++;
// Shader properties
if (shader.GetProperties().Count != 0)
{
writer.WriteLine("Properties {");
writer.Indent++;
foreach (ShaderProperty property in shader.GetProperties())
{
switch (property.PropertyType)
{
case PropertyType.Range:
var range = (RangeProperty)property;
writer.WriteLine("{0} (\"{1}\", Range ({2}, {3})) = {4}", range.Name, range.DisplayName,
range.MinValue, range.MaxValue, range.DefaultValue);
break;
case PropertyType.Color:
var color = (ColorProperty)property;
writer.WriteLine("{0} (\"{1}\", Color) = ({2},{3},{4},{5})", color.Name, color.DisplayName,
color.DefaultValue.r, color.DefaultValue.g, color.DefaultValue.b, color.DefaultValue.a);
break;
case PropertyType.Texture:
// todo texgen, textype
var tex = (TextureProperty)property;
writer.WriteLine("{0} (\"{1}\", {2}) = \"{3}\" {{{4}}}", tex.Name, tex.DisplayName,
tex.TextureType.ToString().Replace("Two", "2"), tex.DefaultValue.ToString().ToLower(),
tex.TexGenMode == TexGenMode.None ? "" : "TexGen " + tex.TexGenMode);
break;
case PropertyType.Float:
var num = (FloatProperty)property;
writer.WriteLine("{0} (\"{1}\", Float) = {2}", num.Name, num.DisplayName, num.DefaultValue);
break;
case PropertyType.Vector:
var vector = (VectorProperty)property;
writer.WriteLine("{0} (\"{1}\", Vector) = ({2},{3},{4},{5})", vector.Name,
vector.DisplayName, vector.DefaultValue.x, vector.DefaultValue.y, vector.DefaultValue.z,
vector.DefaultValue.w);
break;
default:
throw new ArgumentOutOfRangeException();
}
}
writer.Indent--;
writer.WriteLine("}");
writer.WriteLine();
}
// Subshaders
foreach (Subshader subshader in shader.GetSubshaders())
{
writer.WriteLine("Subshader {");
writer.Indent++;
// Tags
if (subshader.RenderPosition != RenderPosition.Geometry || subshader.ForceNoShadowCasting ||
subshader.IgnoreProjector)
{
writer.Write("Tags { ");
if (subshader.RenderPosition != RenderPosition.Geometry)
{
writer.Write("\"Queue\" = \"{0}\" ", subshader.RenderPosition);
}
if (subshader.ForceNoShadowCasting)
{
writer.Write("\"ForceNoShadowCasting\" = \"True\" ");
}
if (subshader.IgnoreProjector)
{
writer.Write("\"IgnoreProjector\" = \"True\" ");
}
writer.WriteLine("}");
writer.WriteLine();
}
// Surface shader
if (subshader.SubshaderType == SubshaderType.Surface)
{
var surface = (SurfaceShader)subshader;
// HLSL begin
writer.WriteLine("CGPROGRAM");
// Pragmas
writer.Write("#pragma ");
writer.Write("surface {0} ", "surf");
if (surface.UseBuiltinLighting)
{
writer.Write(surface.LightingModel + " ");
}
else
{
writer.Write("Lighting{0} ", "Custom");
}
if (surface.UseVertexModifier)
{
writer.Write("vertex:{0} ", "vert");
}
if (surface.UseFinalColorModifier)
{
writer.Write("finalcolor:{0} ", "color");
}
if (surface.UseTessellation)
{
writer.Write("tessellate:{0} ", "tess");
}
if (surface.AlphaBlended)
{
writer.Write("alpha ");
}
if (surface.AddShadowPasses)
{
writer.Write("addshadow ");
}
if (surface.DualForward)
{
writer.Write("dualforward ");
}
if (surface.SupportAllShadowTypes)
{
writer.Write("fullforwardshadows ");
}
if (surface.DisableWhenSoftVegIsOff)
{
writer.Write("softvegetation ");
}
if (!surface.ApplyAmbient)
{
writer.Write("noambient ");
}
if (!surface.ApplyVertexLights)
{
writer.Write("novertexlights ");
}
if (!surface.SupportLightmaps)
{
writer.Write("nolightmap ");
}
if (!surface.SupportDirectionalLightmaps)
{
writer.Write("nodirlightmap ");
}
if (!surface.EnableAdditivePass)
{
writer.Write("noforwardadd ");
}
if (surface.ViewDirPerVert)
{
writer.Write("approxview ");
}
if (surface.PassHalfDirInLighting)
{
writer.Write("halfasview ");
}
writer.WriteLine();
// #pragma debug on separate line
if (surface.CommentFinal)
{
writer.WriteLine("#pragma debug");
}
// Includes
if (surface.CgincTerrainEngine)
{
writer.WriteLine("#include {0}", "\"TerrainEngine.cginc\"");
}
if (surface.CgincTessellation)
{
writer.WriteLine("#include {0}", "\"Tessellation.cginc\"");
}
writer.WriteLine();
if (shader.CommentShader)
{
writer.WriteLine(
"// If you want to access a property, declare it here with the same name and a matching type.");
writer.WriteLine();
}
// Input
if (shader.CommentShader)
{
writer.WriteLine("// To use a uv set, declare uv<TextureName> inside Input.");
writer.WriteLine("// To use second uv set, declare uv2<TextureName> inside Input.");
}
writer.WriteLine("struct Input {");
writer.Indent++;
if (surface.ViewDirInInput)
{
writer.WriteLine("float3 viewDir;");
}
if (surface.VertColorInInput)
{
writer.WriteLine("float4 vertColor : COLOR;");
}
if (surface.SsPositionInInput)
{
writer.WriteLine("float4 screenPos;");
}
if (surface.WsPositionInInput)
{
writer.WriteLine("float3 worldPos;");
}
if (surface.WorldReflectionVectorInInput)
{
writer.WriteLine("float3 worldRefl;");
}
if (surface.WorldNormalInInput)
{
writer.WriteLine("float3 worldNormal;");
}
if (surface.OutNormalSpecified &&
(surface.WorldReflectionVectorInInput || surface.WorldNormalInInput))
{
writer.WriteLine("INTERNAL_DATA");
}
if (shader.CommentShader && surface.CustomDataPerVertex)
{
writer.WriteLine();
writer.WriteLine("// Declare custom input members here. Name cannot begin with 'uv'.");
}
writer.Indent--;
writer.WriteLine("};");
writer.WriteLine();
// Vertex function
if (surface.UseVertexModifier)
{
writer.Write("void {0} (inout {1} v", "vert", "appdata_full"); // Always takes appdata_full!
writer.WriteLine(surface.CustomDataPerVertex ? ", out Input o) {" : ") {");
writer.Indent++;
if (surface.CustomDataPerVertex)
{
writer.WriteLine("UNITY_INITIALIZE_OUTPUT(Input,o);");
}
writer.WriteLine(shader.CommentShader ? "// Modify vertices here" : "");
if (surface.CustomDataPerVertex && shader.CommentShader)
{
writer.WriteLine("// To pass custom data to surface function, write to o.");
}
if (shader.CommentShader)
{
writer.WriteLine("// Help: http://docs.unity3d.com/Manual/SL-SurfaceShaderExamples.html");
}
writer.Indent--;
writer.WriteLine("}");
writer.WriteLine();
}
// Color function
if (surface.UseFinalColorModifier)
{
writer.WriteLine("void {0} (Input IN, SurfaceOutput o, inout fixed4 color) {{", "color");
writer.Indent++;
writer.WriteLine(shader.CommentShader ? "// Modify final color here." : "");
if (shader.CommentShader)
{
writer.WriteLine("// Help: http://docs.unity3d.com/Manual/SL-SurfaceShaderExamples.html");
}
writer.Indent--;
writer.WriteLine("}");
writer.WriteLine();
}
// Tessellation function
if (surface.UseTessellation)
{
writer.WriteLine("float4 {0} (appdata v0, appdata v1, appdata v2) {{", "tess");
writer.Indent++;
if (shader.CommentShader)
{
writer.WriteLine("// Implement tessellation here.");
}
writer.WriteLine(shader.CommentShader
? "// Help: http://docs.unity3d.com/Manual/SL-SurfaceShaderTessellation.html"
: "");
writer.Indent--;
writer.WriteLine("}");
writer.WriteLine();
}
// Custom lighting
if (!surface.UseBuiltinLighting)
{
writer.Write("half4 Lighting{0} (SurfaceOutput s, half3 lightDir, ", "Custom");
writer.WriteLine(surface.ViewDirInLighting ? "half3 viewDir, half atten) {" : "half atten) {");
writer.Indent++;
if (shader.CommentShader)
{
writer.WriteLine("// Implement custom lighting here.");
}
writer.WriteLine(shader.CommentShader
? "// Help: http://docs.unity3d.com/Manual/SL-SurfaceShaderLighting.html"
: "");
writer.Indent--;
writer.WriteLine("}");
writer.WriteLine();
if (surface.UsePrePass)
{
writer.WriteLine("half4 Lighting{0}_PrePass (SurfaceOutput s, half4 light) {{", "Custom");
writer.Indent++;
if (shader.CommentShader)
{
writer.WriteLine("// Implement prepass function for deferred lighting here");
}
writer.WriteLine(shader.CommentShader
? "// Help: http://docs.unity3d.com/Manual/SL-SurfaceShaderLighting.html"
: "");
writer.Indent--;
writer.WriteLine("}");
writer.WriteLine();
}
}
// Lightmap decoder
// Single
if (surface.UseSingleLightMap)
{
writer.Write("half4 Lighting{0}_SingleLightmap (SurfaceOutput s, fixed4 color", "Custom");
writer.WriteLine(surface.ViewDirInSingle ? ", half3 viewDir) {" : ") {");
writer.Indent++;
if (shader.CommentShader)
{
writer.WriteLine("// Implement single lightmap decoder here.");
}
writer.WriteLine(shader.CommentShader
? "// Help: http://docs.unity3d.com/Manual/SL-SurfaceShaderLighting.html"
: "");
writer.Indent--;
writer.WriteLine("}");
writer.WriteLine();
}
// Dual
if (surface.UseDualLightMap)
{
writer.Write(
"half4 Lighting{0}_DualLightmap (SurfaceOutput s, fixed4 totalColor, fixed4 indirectOnlyColor, half indirectFade",
"Custom");
writer.WriteLine(surface.ViewDirInDual ? ", half3 viewDir) {" : ") {");
writer.Indent++;
if (shader.CommentShader)
{
writer.WriteLine("// Implement dual lightmap decoder here.");
}
writer.WriteLine(shader.CommentShader
? "// Help: http://docs.unity3d.com/Manual/SL-SurfaceShaderLighting.html"
: "");
writer.Indent--;
writer.WriteLine("}");
writer.WriteLine();
}
// Directional
if (surface.UseDirectionalLightMap)
{
writer.Write("half4 Lighting{0}_DirLightmap (SurfaceOutput s, fixed4 color, fixed4 scale",
"Custom");
writer.WriteLine(surface.ViewDirInDirectional
? ", half3 viewDir, bool surfFuncWritesNormal, out half3 specColor) {"
: ", bool surfFuncWritesNormal) {");
writer.Indent++;
if (shader.CommentShader)
{
writer.WriteLine("// Implement directional lightmap decoder here.");
}
writer.WriteLine(shader.CommentShader
? "// Help: http://docs.unity3d.com/Manual/SL-SurfaceShaderLighting.html"
: "");
writer.Indent--;
writer.WriteLine("}");
writer.WriteLine();
}
// Surface function
writer.WriteLine("void surf (Input IN, inout SurfaceOutput o) {");
writer.Indent++;
writer.WriteLine(shader.CommentShader ? "// To complete the shader, fill in the fields in o." : "");
if (shader.CommentShader)
{
writer.WriteLine("// Help: http://docs.unity3d.com/Manual/SL-SurfaceShaderExamples.html");
}
writer.Indent--;
writer.WriteLine("}");
writer.WriteLine("ENDCG");
}
else
{
var custom = (CustomShader)subshader;
foreach (Pass pass in custom.GetPasses())
{
if (pass.PassType == PassType.VertFrag)
{
var vfPass = (VertFragPass)pass;
writer.WriteLine("Pass {");
writer.Indent++;
// Name
if (vfPass.AllowExternalReference)
{
writer.WriteLine("Name \"{0}\"", vfPass.name);
}
// Tags
if (vfPass.LightMode != LightMode.Always || vfPass.RequireSoftVegatation)
{
writer.Write("Tags { ");
if (vfPass.LightMode != LightMode.Always)
{
writer.Write("\"LightMode\" = \"{0}\" ", vfPass.LightMode);
}
if (vfPass.RequireSoftVegatation)
{
writer.Write("\"RequireOptions\" = \"SoftVegetation\" ");
writer.WriteLine("}");
}
}
// Cull
if (vfPass.FaceCullMode != CullMode.Back)
{
writer.WriteLine("Cull {0}", vfPass.FaceCullMode);
}
// ZTest
if (vfPass.ZTestFunc != CompareFunction.LessEqual)
{
writer.WriteLine("ZTest {0}", vfPass.ZTestFunc);
}
// ZWrite
if (!vfPass.WriteToDepthBuffer)
{
writer.WriteLine("ZWrite Off");
}
// Fog
if (!vfPass.ApplyFog)
{
writer.WriteLine("Fog { Mode Off }");
}
// AlphaTest (to be moved to fixed function)
// if (vfPass.UseAlphaTest) {
// writer.WriteLine("AlphaTest {0} {1}", vfPass.AlphaTestFunc, vfPass.AlphaTestValue);
// }
// Blend
if (vfPass.ApplyBlending)
{
writer.Write("Blend {0} {1}", vfPass.SourceBlendFactor, vfPass.DestBlendFactor);
if (vfPass.BlendAlphaSeparately)
{
writer.WriteLine(", {0} {1}", vfPass.AlphaSourceBlendFactor, vfPass.AlphaDestBlendFactor);
}
else
{
writer.WriteLine();
}
}
// BlendOp
if (vfPass.BlendOp != BlendOp.Add)
{
writer.WriteLine("BlendOp {0}", vfPass.BlendOp);
}
// Offset
if (vfPass.UseDepthOffset)
{
writer.WriteLine("Offset {0} {1}", vfPass.DepthFactor, vfPass.DepthUnit);
}
writer.WriteLine("CGPROGRAM");
writer.WriteLine();
writer.WriteLine("#pragma vertex {0}", "vertex");
writer.WriteLine("#pragma fragment {0}", "fragment");
if (vfPass.UseGeometryShader)
{
writer.WriteLine("#pragma geometry {0}", "geometry");
}
switch (vfPass.ShaderTarget)
{
case ShaderTarget.ShaderModel2:
writer.WriteLine("#pragma target 2.0");
break;
case ShaderTarget.ShaderModel3:
writer.WriteLine("#pragma target 3.0");
break;
case ShaderTarget.ShaderModel4:
writer.WriteLine("#pragma target 4.0");
break;
case ShaderTarget.ShaderModel5:
writer.WriteLine("#pragma target 5.0");
break;
default:
throw new ArgumentOutOfRangeException();
}
if (vfPass.CompileToGlsl)
{
writer.WriteLine("#pragma glsl");
}
if (!vfPass.AutoNormalizeVectors)
{
writer.WriteLine("#pragma glsl_no_auto_normalization");
}
if (vfPass.GenerateDebugInfo)
{
writer.WriteLine("#pragma enable_d3d11_debug_symbols");
}
writer.WriteLine();
if (vfPass.CgincUnityCg)
{
writer.WriteLine("#include \"UnityCG.cginc\"");
}
if (vfPass.CgincTerrainEngine)
{
writer.WriteLine("#include \"TerrainEngine.cginc\"");
}
if (vfPass.CgincTessellation)
{
writer.WriteLine("#include \"Tessellation.cginc\"");
}
if (vfPass.CgincAutoLight)
{
writer.WriteLine("#include \"AutoLight.cginc\"");
}
if (vfPass.CgincLighting)
{
writer.WriteLine("#include \"Lighting.cginc\"");
}
if (vfPass.CgincUnityCg || vfPass.CgincTerrainEngine || vfPass.CgincTessellation || vfPass.CgincAutoLight || vfPass.CgincLighting)
{
writer.WriteLine();
}
//Input
if (!vfPass.UsePresetInput)
{
writer.WriteLine("struct {0} {{", "appdata");
writer.Indent++;
if (vfPass.UsePosition)
{
writer.WriteLine("float4 vertex : POSITION;");
}
if (vfPass.UseNormal)
{
writer.WriteLine("float3 normal : NORMAL;");
}
if (vfPass.UseTexcoord)
{
writer.WriteLine("float4 texcoord0 : TEXCOORD0;");
}
if (vfPass.UseTexcoord1)
{
writer.WriteLine("float4 texcoord1 : TEXCOORD1;");
}
if (vfPass.UseTangent)
{
writer.WriteLine("float4 tangent : TANGENT;");
}
if (vfPass.UseColor)
{
writer.WriteLine("float4 color : COLOR;");
}
writer.Indent--;
writer.WriteLine("};");
writer.WriteLine();
}
if (shader.CommentShader)
{
writer.WriteLine(
"// If you want to access a property, declare it here with the same name and a matching type.");
writer.WriteLine();
}
// Vert out
writer.WriteLine("struct {0} {{", vfPass.UseGeometryShader ? "v2g" : "v2f");
writer.Indent++;
if (shader.CommentShader)
{
writer.Write("// Define vertex output struct here.");
}
writer.WriteLine();
writer.Indent--;
writer.WriteLine("};");
writer.WriteLine();
// Geo out
if (vfPass.UseGeometryShader)
{
writer.WriteLine("struct {0} {{", "g2f");
writer.Indent++;
if (shader.CommentShader)
{
writer.Write("// Define geometry output struct here.");
}
writer.WriteLine();
writer.Indent--;
writer.WriteLine("};");
writer.WriteLine();
}
// Vertex shader
string vertInput;
if (vfPass.UsePresetInput)
{
switch (vfPass.InputPreset)
{
case VertexInputPreset.AppdataBase:
vertInput = "appdata_base";
break;
case VertexInputPreset.AppdataTan:
vertInput = "appdata_tan";
break;
case VertexInputPreset.AppdataFull:
vertInput = "appdata_full";
break;
default:
throw new ArgumentOutOfRangeException();
}
}
else
{
vertInput = "appdata";
}
writer.WriteLine("{0} {1} ({2} v) {{", vfPass.UseGeometryShader ? "v2g" : "v2f", "vertex", vertInput);
writer.Indent++;
if (shader.CommentShader)
{
writer.Write("// Implement vertex shader here.");
}
writer.WriteLine();
writer.Indent--;
writer.WriteLine("}");
writer.WriteLine();
// Geometry shader
if (vfPass.UseGeometryShader)
{
writer.WriteLine("[maxvertexcount({0})]", vfPass.MaxVertCount);
writer.WriteLine("void {0} ({1} {2} input[{3}], inout {4}<{5}> output) {{", "geometry", vfPass.InputTopology.ToString().ToLower(), "v2g", (int)vfPass.InputTopology, vfPass.OutputTopology, "g2f");
writer.Indent++;
if (shader.CommentShader)
{
writer.Write("// Implement geometry shader here.");
}
writer.WriteLine();
writer.Indent--;
writer.WriteLine("}");
writer.WriteLine();
}
// Fragment shader
writer.WriteLine("half4 {0} ({1} i) : COLOR {{", "fragment", vfPass.UseGeometryShader ? "g2f" : "v2f");
writer.Indent++;
if (shader.CommentShader)
{
writer.Write("// Implement fragment shader here.");
}
writer.WriteLine();
writer.Indent--;
writer.WriteLine("}");
writer.WriteLine();
writer.WriteLine("ENDCG");
writer.Indent--;
writer.WriteLine("}");
writer.WriteLine();
}
else
{
// TODO fixed function pass
}
}
}
writer.Indent--;
writer.WriteLine("}");
writer.WriteLine();
}
// Fallback shader
if (shader.UseFallback)
{
writer.WriteLine("Fallback \"{0}\"", shader.Fallback);
}
else
{
writer.WriteLine("Fallback Off");
}
writer.Indent--;
writer.Write("}");
return(writer.InnerWriter.ToString());
}
