public static void GenerateGradientStruct(ref string body)
{
body = string.Empty;
IOUtils.AddFunctionHeader(ref body, "struct Gradient");
IOUtils.AddFunctionLine(ref body, "int type;");
IOUtils.AddFunctionLine(ref body, "int colorsLength;");
IOUtils.AddFunctionLine(ref body, "int alphasLength;");
IOUtils.AddFunctionLine(ref body, "float4 colors[8];");
IOUtils.AddFunctionLine(ref body, "float2 alphas[8];");
IOUtils.AddSingleLineFunction(ref body, "};\n");
}
public override string GenerateShaderForOutput(int outputId, ref MasterNodeDataCollector dataCollector, bool ignoreLocalvar)
{
if (m_outputPorts[0].IsLocalValue)
{
return(m_outputPorts[0].LocalValue);
}
switch (m_type)
{
case NoiseGeneratorType.Simplex2D:
{
string float3Mod289Func = string.Empty;
IOUtils.AddSingleLineFunction(ref float3Mod289Func, Simplex2DFloat3Mod289Func);
dataCollector.AddFunction(Simplex2DFloat3Mod289Func, float3Mod289Func);
string float2Mod289Func = string.Empty;
IOUtils.AddSingleLineFunction(ref float2Mod289Func, Simplex2DFloat2Mod289Func);
dataCollector.AddFunction(Simplex2DFloat2Mod289Func, float2Mod289Func);
string permuteFunc = string.Empty;
IOUtils.AddSingleLineFunction(ref permuteFunc, Simplex2DPermuteFunc);
dataCollector.AddFunction(Simplex2DPermuteFunc, permuteFunc);
string snoiseFunc = string.Empty;
IOUtils.AddFunctionHeader(ref snoiseFunc, SimplexNoise2DHeader);
for (int i = 0; i < SimplexNoise2DBody.Length; i++)
{
IOUtils.AddFunctionLine(ref snoiseFunc, SimplexNoise2DBody[i]);
}
IOUtils.CloseFunctionBody(ref snoiseFunc);
dataCollector.AddFunction(SimplexNoise2DHeader, snoiseFunc);
string size = m_inputPorts[0].GeneratePortInstructions(ref dataCollector);
RegisterLocalVariable(0, string.Format(SimplexNoise2DFunc, size), ref dataCollector, ("simplePerlin2D" + m_uniqueId));
} break;
case NoiseGeneratorType.Simplex3D:
{
string float3Mod289Func = string.Empty;
IOUtils.AddSingleLineFunction(ref float3Mod289Func, Simplex3DFloat3Mod289);
dataCollector.AddFunction(Simplex3DFloat3Mod289, float3Mod289Func);
string float4Mod289Func = string.Empty;
IOUtils.AddSingleLineFunction(ref float4Mod289Func, Simplex3DFloat4Mod289);
dataCollector.AddFunction(Simplex3DFloat4Mod289, float4Mod289Func);
string permuteFunc = string.Empty;
IOUtils.AddSingleLineFunction(ref permuteFunc, Simplex3DFloat4Permute);
dataCollector.AddFunction(Simplex3DFloat4Permute, permuteFunc);
string taylorInvSqrtFunc = string.Empty;
IOUtils.AddSingleLineFunction(ref taylorInvSqrtFunc, TaylorInvSqrtFunc);
dataCollector.AddFunction(TaylorInvSqrtFunc, taylorInvSqrtFunc);
string snoiseFunc = string.Empty;
IOUtils.AddFunctionHeader(ref snoiseFunc, SimplexNoise3DHeader);
for (int i = 0; i < SimplexNoise3DBody.Length; i++)
{
IOUtils.AddFunctionLine(ref snoiseFunc, SimplexNoise3DBody[i]);
}
IOUtils.CloseFunctionBody(ref snoiseFunc);
dataCollector.AddFunction(SimplexNoise3DHeader, snoiseFunc);
string size = m_inputPorts[0].GeneratePortInstructions(ref dataCollector);
RegisterLocalVariable(0, string.Format(SimplexNoise3DFunc, size), ref dataCollector, ("simplePerlin3D" + m_uniqueId));
}
break;
}
return(m_outputPorts[0].LocalValue);
}
