public static VertexArray FromType(VertexArrayType type)
{
var array = new VertexArray {
Type = type
};
switch (type)
{
case VertexArrayType.TexCoord:
array.Size = 2;
array.Format = VertexArrayFormat.Single;
break;
case VertexArrayType.Position:
case VertexArrayType.Normal:
array.Size = 3;
array.Format = VertexArrayFormat.Single;
break;
case VertexArrayType.Tangent:
array.Size = 4;
array.Format = VertexArrayFormat.Single;
break;
case VertexArrayType.Color:
case VertexArrayType.BlendIndexes:
case VertexArrayType.BlendWeights:
array.Size = 4;
array.Format = VertexArrayFormat.Byte;
break;
}
return(array);
}
private ShaderAttributeIds ArrayTypeToShader(VertexArrayType type)
{
switch (type)
{
case VertexArrayType.Position:
return(ShaderAttributeIds.Position);
case VertexArrayType.Normal:
return(ShaderAttributeIds.Normal);
case VertexArrayType.Color0:
return(ShaderAttributeIds.Color0);
case VertexArrayType.Color1:
return(ShaderAttributeIds.Color1);
case VertexArrayType.Tex0:
return(ShaderAttributeIds.Tex0);
case VertexArrayType.Tex1:
return(ShaderAttributeIds.Tex1);
case VertexArrayType.Tex2:
return(ShaderAttributeIds.Tex2);
case VertexArrayType.Tex3:
return(ShaderAttributeIds.Tex3);
case VertexArrayType.Tex4:
return(ShaderAttributeIds.Tex4);
case VertexArrayType.Tex5:
return(ShaderAttributeIds.Tex5);
case VertexArrayType.Tex6:
return(ShaderAttributeIds.Tex6);
case VertexArrayType.Tex7:
return(ShaderAttributeIds.Tex7);
default:
return(ShaderAttributeIds.Position);
}
}
public ShapeVertexAttribute(VertexArrayType arrayType, VertexDataType dataType)
{
ArrayType = arrayType;
DataType = dataType;
}
private static List <T> LoadVertexAttribute <T>(EndianBinaryReader reader, int totalAttributeDataLength, byte decimalPoint, VertexArrayType arrayType, VertexDataType dataType, VertexColorType colorType) where T : new()
{
int componentCount = 0;
switch (arrayType)
{
case VertexArrayType.Position:
case VertexArrayType.Normal:
componentCount = 3;
break;
case VertexArrayType.Color0:
case VertexArrayType.Color1:
componentCount = 4;
break;
case VertexArrayType.Tex0:
case VertexArrayType.Tex1:
case VertexArrayType.Tex2:
case VertexArrayType.Tex3:
case VertexArrayType.Tex4:
case VertexArrayType.Tex5:
case VertexArrayType.Tex6:
case VertexArrayType.Tex7:
componentCount = 2;
break;
default:
WLog.Warning(LogCategory.ModelLoading, null, "Unsupported ArrayType \"{0}\" found while loading VTX1!", arrayType);
break;
}
// We need to know the length of each 'vertex' (which can vary based on how many attributes and what types there are)
int vertexSize = 0;
switch (dataType)
{
case VertexDataType.Float32:
vertexSize = componentCount * 4;
break;
case VertexDataType.Unsigned16:
case VertexDataType.Signed16:
vertexSize = componentCount * 2;
break;
case VertexDataType.Signed8:
case VertexDataType.Unsigned8:
vertexSize = componentCount * 1;
break;
case VertexDataType.None:
break;
default:
WLog.Warning(LogCategory.ModelLoading, null, "Unsupported DataType \"{0}\" found while loading VTX1!", dataType);
break;
}
switch (colorType)
{
case VertexColorType.RGB8:
vertexSize = 3;
break;
case VertexColorType.RGBX8:
case VertexColorType.RGBA8:
vertexSize = 4;
break;
case VertexColorType.None:
break;
case VertexColorType.RGB565:
case VertexColorType.RGBA4:
case VertexColorType.RGBA6:
default:
WLog.Warning(LogCategory.ModelLoading, null, "Unsupported Color Data Type: {0}!", colorType);
break;
}
int sectionSize = totalAttributeDataLength / vertexSize;
List <T> values = new List <T>(sectionSize);
float scaleFactor = (float)Math.Pow(0.5, decimalPoint);
for (int v = 0; v < sectionSize; v++)
{
// Create a default version of the object and then fill it up depending on our component count and its data type...
dynamic value = new T();
for (int i = 0; i < componentCount; i++)
{
switch (dataType)
{
case VertexDataType.Float32:
value[i] = reader.ReadSingle() * scaleFactor;
break;
case VertexDataType.Unsigned16:
value[i] = (float)reader.ReadUInt16() * scaleFactor;
break;
case VertexDataType.Signed16:
value[i] = (float)reader.ReadInt16() * scaleFactor;
break;
case VertexDataType.Unsigned8:
value[i] = (float)reader.ReadByte() * scaleFactor;
break;
case VertexDataType.Signed8:
value[i] = (float)reader.ReadSByte() * scaleFactor;
break;
case VertexDataType.None:
// Let the next switch statement get it.
break;
default:
WLog.Warning(LogCategory.ModelLoading, null, "Unsupported Data Type: {0}!", dataType);
break;
}
switch (colorType)
{
case VertexColorType.RGBX8:
case VertexColorType.RGB8:
case VertexColorType.RGBA8:
value[i] = reader.ReadByte() / 255f;
break;
case VertexColorType.None:
break;
case VertexColorType.RGB565:
case VertexColorType.RGBA4:
case VertexColorType.RGBA6:
default:
WLog.Warning(LogCategory.ModelLoading, null, "Unsupported Color Data Type: {0}!", colorType);
break;
}
}
values.Add(value);
}
return(values);
}
public VertexArray(VertexArrayType _type)
{
this.Type = _type;
}
