/*==========================================================================================
*
* Load Source
*
* ==========================================================================================*/
private static string[] LoadNoiseSource(INoiseType[] noiseTypes)
{
// load noise source
List <string> noiseSource = new List <string>();
foreach (INoiseType noise in noiseTypes)
{
NoiseTypeDescriptor desc = noise.GetDescription();
string path = desc.sourcePath;
string source = null;
if (!File.Exists(path))
{
Debug.LogError("NoiseLib: Noise Include File could not be found! Skipping generation of: " + desc.name);
}
else
{
using (StreamReader sr = new StreamReader(path))
{
source = sr.ReadToEnd();
}
}
noiseSource.Add(source);
}
return(noiseSource.ToArray());
}
private static void GatherNoiseTypes()
{
List <INoiseType> instances = new List <INoiseType>();
List <string> names = new List <string>();
List <Type> types = new List <Type>();
foreach (Assembly asm in AppDomain.CurrentDomain.GetAssemblies())
{
Type[] assemblyTypes = null;
try
{
assemblyTypes = asm.GetTypes();
}
catch (Exception)
{
Debug.Log("NoiseLib::GatherNoiseTypes: Failed to get types from assembly: " + asm);
assemblyTypes = null;
}
if (assemblyTypes != null)
{
types.AddRange(GetSubclassesOfGenericType(assemblyTypes, typeof(NoiseType <>)));
}
}
foreach (Type t in types)
{
PropertyInfo propertyInfo = t.GetProperty("instance", s_bindingFlags);
MethodInfo methodInfo = propertyInfo.GetGetMethod();
INoiseType instance = (INoiseType)methodInfo.Invoke(null, null);
NoiseTypeDescriptor desc = instance.GetDescription();
if (string.IsNullOrEmpty(desc.name))
{
Debug.LogError("NoiseType name cannot be null or empty! Skipping noise type: " + t);
continue;
}
instances.Add(instance);
names.Add(desc.name);
}
s_noiseTypes = instances.ToArray();
s_noiseNames = names.ToArray();
}
/// <summary>
/// Returns the global index for the specified NoiseType
/// </summary>
/// <param name="noiseName"> The name of the NoiseType </param>
public static int GetNoiseIndex(string noiseName)
{
int index = -1;
INoiseType[] instances = s_noiseTypes;
for (int i = 0; i < instances.Length; ++i)
{
NoiseTypeDescriptor desc = instances[i].GetDescription();
if (noiseName.CompareTo(desc.name) == 0)
{
index = i;
break;
}
}
return(index);
}
public GeneratedShaderInfo(IFractalType fractalType, INoiseType noiseType)
{
this.fractalDesc = fractalType.GetDescription();
this.noiseDesc = noiseType.GetDescription();
this.noiseIncludeStr = string.Format("#include \"{0}\"", noiseDesc.sourcePath);
if (!string.IsNullOrEmpty(fractalDesc.name))
{
this.variantName = string.Format("{0}{1}", fractalDesc.name, noiseDesc.name);
}
else
{
this.variantName = noiseDesc.name;
}
// set the path of the generated file. this will be used when writing the file
// to disk and when adding the include in any generated shaders that use this
// fractal and noise type variant
this.generatedIncludePath = string.Format("{0}/{1}/{2}.hlsl", noiseDesc.outputDir,
fractalDesc.name,
noiseDesc.name);
this.outputDir = string.Format("{0}/{1}", noiseDesc.outputDir, fractalDesc.name);
fractalStructName = string.Format("{0}FractalInput", fractalDesc.name);
noiseStructName = string.Format("{0}NoiseInput", noiseDesc.name);
numFractalInputs = fractalDesc.inputStructDefinition == null ? 0 : fractalDesc.inputStructDefinition.Count;
numNoiseInputs = noiseDesc.inputStructDefinition == null ? 0 : noiseDesc.inputStructDefinition.Count;
fractalParamStr = null;
noiseParamStr = null;
functionInputStr = "";
// construct include paths string
additionalIncludePaths = "\n";
for (int i = 0; i < fractalDesc.additionalIncludePaths.Count; ++i)
{
additionalIncludePaths += $"#include \"{ fractalDesc.additionalIncludePaths[ i ] }\"\n";
}
additionalIncludePaths += "\n";
// generate the string for the fractal type structure as it would appear as a parameter
// in an HLSL function declaration
if (numFractalInputs > 0)
{
fractalParamStr = string.Format("{0} {1}", fractalStructName, "fractalInput");
}
// generate the string for the noise type structure as it would appear as a parameter
// in an HLSL function declaration
if (numNoiseInputs > 0)
{
noiseParamStr = string.Format("{0} {1}", noiseStructName, "noiseInput");
}
// generate the argument string for an HLSL function declaration that would be
// using this combination of noise and fractal type structure definitions
functionParamStr = "";
if (fractalParamStr != null)
{
functionParamStr += fractalParamStr;
functionInputStr += "fractalInput";
}
if (fractalParamStr != null && noiseParamStr != null)
{
functionParamStr += ", ";
functionInputStr += ", ";
}
if (noiseParamStr != null)
{
functionParamStr += noiseParamStr;
functionInputStr += "noiseInput";
}
fractalStructDef = "";
if (numFractalInputs > 0)
{
fractalStructDef = NoiseLib.BuildStructString(fractalStructName, fractalDesc.inputStructDefinition);
string getDefaultFuncStr = NoiseLib.GetDefaultFunctionString(fractalStructName, fractalDesc.inputStructDefinition);
fractalStructDef += $"\n\n{ getDefaultFuncStr }\n\n";
}
noiseStructDef = "";
if (numNoiseInputs > 0)
{
noiseStructDef = NoiseLib.BuildStructString(noiseStructName, noiseDesc.inputStructDefinition);
}
// get input str construction
getInputsStr = "";
getFractalInputStr = NoiseLib.GetInputFunctionCallString(fractalStructName);
getNoiseInputStr = NoiseLib.GetInputFunctionCallString(fractalStructName);
if (numFractalInputs > 0)
{
getInputsStr += getFractalInputStr;
}
if (numFractalInputs > 0 && numNoiseInputs > 0)
{
getInputsStr += ", ";
}
if (numNoiseInputs > 0)
{
getInputsStr += getNoiseInputStr;
}
// get default input str construction
getDefaultInputsStr = "";
getDefaultFractalInputStr = NoiseLib.GetDefaultInputFunctionCallString(fractalStructName);
getDefaultNoiseInputStr = NoiseLib.GetDefaultInputFunctionCallString(noiseStructName);
if (numFractalInputs > 0)
{
getDefaultInputsStr += getDefaultFractalInputStr;
}
if (numFractalInputs > 0 && numNoiseInputs > 0)
{
getDefaultInputsStr += ", ";
}
if (numNoiseInputs > 0)
{
getDefaultInputsStr += getDefaultNoiseInputStr;
}
fractalPropertyDefStr = "";
if (fractalDesc.inputStructDefinition != null &&
fractalDesc.inputStructDefinition.Count > 0)
{
fractalPropertyDefStr = NoiseLib.GetPropertyDefinitionStr(fractalDesc.name, fractalDesc.inputStructDefinition);
fractalPropertyDefStr += "\n" + NoiseLib.GetPropertyFunctionStr(fractalStructName, fractalDesc.name, fractalDesc.inputStructDefinition);
}
}
