public string GetFunc(NoiseTypes type, int nDimensions, bool wraps)
{
switch (type)
{
case NoiseTypes.White: return("hashTo1");
case NoiseTypes.Blocky: return("GridNoise");
case NoiseTypes.Linear: return("LinearNoise");
case NoiseTypes.Smooth: return("SmoothNoise");
case NoiseTypes.Smoother: return("SmootherNoise");
case NoiseTypes.Perlin: return("PerlinNoise");
case NoiseTypes.Worley:
if (IsWorleyDefault)
{
return("WorleyNoise");
}
else
{
return("Worley_" + UID);
}
default: throw new NotImplementedException(type.ToString());
}
}
private static List <string> GetInputNames(NoiseTypes t, int nDimensions)
{
List <string> n = new List <string>();
//Seeds.
n.Add("x");
if (nDimensions > 1)
{
n.Add("y");
}
if (nDimensions > 2)
{
n.Add("z");
}
if (nDimensions > 3)
{
n.Add("w");
}
//Scale and weight.
n.Add("Scale");
n.Add("Weight");
//Noise-specific extras.
switch (t)
{
case NoiseTypes.White:
case NoiseTypes.Blocky:
case NoiseTypes.Linear:
case NoiseTypes.Smooth:
case NoiseTypes.Smoother:
case NoiseTypes.Perlin:
break;
case NoiseTypes.Worley:
n.Add("Cell Variance X");
if (nDimensions > 1)
{
n.Add("Cell Variance Y");
}
if (nDimensions > 2)
{
n.Add("Cell Variance Z");
}
if (nDimensions > 3)
{
n.Add("Cell Variance W");
}
break;
default: throw new NotImplementedException(t.ToString());
}
return(n);
}
public override void EmitCode(StringBuilder outCode)
{
outCode.Append("float ");
outCode.Append(OutputName);
outCode.Append(" = ");
outCode.Append(Inputs[NDimensions + 1].GetExpression(Owner));
outCode.Append(" * ");
outCode.Append(GetFunc(NoiseType, NDimensions));
outCode.Append("(");
outCode.Append(Inputs[NDimensions].GetExpression(Owner));
outCode.Append(" * float");
outCode.Append(NDimensions);
outCode.Append("(");
for (int i = 0; i < NDimensions; ++i)
{
outCode.Append(Inputs[i].GetExpression(Owner));
if (i < NDimensions - 1)
{
outCode.Append(", ");
}
}
outCode.Append(")");
switch (NoiseType)
{
case NoiseTypes.White:
case NoiseTypes.Blocky:
case NoiseTypes.Linear:
case NoiseTypes.Smooth:
case NoiseTypes.Smoother:
case NoiseTypes.Perlin:
break;
case NoiseTypes.Worley:
outCode.Append(", float");
outCode.Append(NDimensions);
outCode.Append("(");
for (int i = 0; i < NDimensions; ++i)
{
if (i > 0)
{
outCode.Append(", ");
}
int index = NDimensions + 2 + i;
outCode.Append(Inputs[index].GetExpression(Owner));
}
outCode.Append(")");
break;
default: throw new NotImplementedException(NoiseType.ToString());
}
outCode.AppendLine(");");
}
private static List <float> GetInputDefaultVals(NoiseTypes t, int nDimensions)
{
List <float> n = new List <float>();
//Seeds.
for (int i = 0; i < nDimensions; ++i)
{
n.Add(0.0f);
}
//Scale and weight.
n.Add(1.0f);
n.Add(1.0f);
//Noise-specific extras.
switch (t)
{
case NoiseTypes.White:
case NoiseTypes.Blocky:
case NoiseTypes.Linear:
case NoiseTypes.Smooth:
case NoiseTypes.Smoother:
case NoiseTypes.Perlin:
break;
case NoiseTypes.Worley:
n.Add(0.5f);
if (nDimensions > 1)
{
n.Add(0.5f);
}
if (nDimensions > 2)
{
n.Add(0.5f);
}
if (nDimensions > 3)
{
n.Add(0.5f);
}
break;
default: throw new NotImplementedException(t.ToString());
}
return(n);
}
private static List<string> GetInputNames(NoiseTypes t, int nDimensions)
{
List<string> n = new List<string>();
//Seeds.
n.Add("x");
if (nDimensions > 1)
n.Add("y");
if (nDimensions > 2)
n.Add("z");
//Scale and weight.
n.Add("Scale");
n.Add("Weight");
//Noise-specific extras.
switch (t)
{
case NoiseTypes.White:
case NoiseTypes.Blocky:
case NoiseTypes.Linear:
case NoiseTypes.Smooth:
case NoiseTypes.Smoother:
case NoiseTypes.Perlin:
break;
case NoiseTypes.Worley:
n.Add("Cell Variance X");
if (nDimensions > 1)
n.Add("Cell Variance Y");
if (nDimensions > 2)
n.Add("Cell Variance Z");
break;
default: throw new NotImplementedException(t.ToString());
}
return n;
}
private static List<float> GetInputDefaultVals(NoiseTypes t, int nDimensions)
{
List<float> n = new List<float>();
//Seeds.
for (int i = 0; i < nDimensions; ++i)
n.Add(0.0f);
//Scale and weight.
n.Add(1.0f);
n.Add(1.0f);
//Noise-specific extras.
switch (t)
{
case NoiseTypes.White:
case NoiseTypes.Blocky:
case NoiseTypes.Linear:
case NoiseTypes.Smooth:
case NoiseTypes.Smoother:
case NoiseTypes.Perlin:
break;
case NoiseTypes.Worley:
n.Add(0.5f);
if (nDimensions > 1)
n.Add(0.5f);
if (nDimensions > 2)
n.Add(0.5f);
break;
default: throw new NotImplementedException(t.ToString());
}
return n;
}
private static List<NodeInput> GenerateInputs(NoiseTypes t, int nDimensions,
List<NodeInput> currentInputs = null)
{
List<NodeInput> ni = new List<NodeInput>();
//Seed.
for (int i = 0; i < nDimensions; ++i)
{
if (currentInputs != null && currentInputs.Count > i)
ni.Add(currentInputs[i]);
else
ni.Add(new NodeInput(0.0f));
}
//Scale.
if (currentInputs != null && currentInputs.Count > nDimensions)
ni.Add(currentInputs[nDimensions]);
else
ni.Add(new NodeInput(1.0f));
//Weight.
if (currentInputs != null && currentInputs.Count > nDimensions + 1)
ni.Add(currentInputs[nDimensions + 1]);
else
ni.Add(new NodeInput(1.0f));
//Noise-specific extras.
switch (t)
{
case NoiseTypes.White:
case NoiseTypes.Blocky:
case NoiseTypes.Linear:
case NoiseTypes.Smooth:
case NoiseTypes.Smoother:
case NoiseTypes.Perlin:
break;
case NoiseTypes.Worley:
for (int i = 0; i < nDimensions; ++i)
{
int index = nDimensions + 2 + i;
if (currentInputs == null || currentInputs.Count <= index)
ni.Add(new NodeInput(0.5f));
else
ni.Add(currentInputs[index]);
}
break;
default: throw new NotImplementedException(t.ToString());
}
return ni;
}
public string GetFunc(NoiseTypes type, int nDimensions)
{
switch (type)
{
case NoiseTypes.White: return "hashValue" + nDimensions;
case NoiseTypes.Blocky: return "GridNoise" + nDimensions;
case NoiseTypes.Linear: return "LinearNoise" + nDimensions;
case NoiseTypes.Smooth: return "SmoothNoise" + nDimensions;
case NoiseTypes.Smoother: return "SmootherNoise" + nDimensions;
case NoiseTypes.Perlin: return "PerlinNoise" + nDimensions;
case NoiseTypes.Worley:
if (IsWorleyDefault)
return "WorleyNoise" + NDimensions;
else
return "Worley_" + UID;
default: throw new NotImplementedException(type.ToString());
}
}
private static List <NodeInput> GenerateInputs(NoiseTypes t, int nDimensions,
List <NodeInput> currentInputs = null)
{
List <NodeInput> ni = new List <NodeInput>();
//Seed.
for (int i = 0; i < nDimensions; ++i)
{
if (currentInputs != null && currentInputs.Count > i)
{
ni.Add(currentInputs[i]);
}
else
{
ni.Add(new NodeInput(0.0f));
}
}
//Scale.
if (currentInputs != null && currentInputs.Count > nDimensions)
{
ni.Add(currentInputs[nDimensions]);
}
else
{
ni.Add(new NodeInput(1.0f));
}
//Weight.
if (currentInputs != null && currentInputs.Count > nDimensions + 1)
{
ni.Add(currentInputs[nDimensions + 1]);
}
else
{
ni.Add(new NodeInput(1.0f));
}
//Noise-specific extras.
switch (t)
{
case NoiseTypes.White:
case NoiseTypes.Blocky:
case NoiseTypes.Linear:
case NoiseTypes.Smooth:
case NoiseTypes.Smoother:
case NoiseTypes.Perlin:
break;
case NoiseTypes.Worley:
for (int i = 0; i < nDimensions; ++i)
{
int index = nDimensions + 2 + i;
if (currentInputs == null || currentInputs.Count <= index)
{
ni.Add(new NodeInput(0.5f));
}
else
{
ni.Add(currentInputs[index]);
}
}
break;
default: throw new NotImplementedException(t.ToString());
}
return(ni);
}