public void FormatToString()
{
var elements = new[] {
new VertexElement(VertexElementType.Position3D),
new VertexElement(VertexElementType.TextureUV) };
var format = new VertexFormat(elements);
Assert.AreEqual("VertexFormat: Position3D*3, TextureUV*2, Stride=20", format.ToString());
}
public void FormatToString()
{
var elements = new[] {
new VertexElement(VertexElementType.Position3D),
new VertexElement(VertexElementType.TextureUV)
};
var format = new VertexFormat(elements);
Assert.AreEqual("VertexFormat: Position3D*3, TextureUV*2, Stride=20", format.ToString());
}
public static VertexChannelFormat ToVertexChannelFormat(this VertexFormat _this)
{
switch (_this)
{
case VertexFormat.Float:
return(VertexChannelFormat.Float);
case VertexFormat.Float16:
return(VertexChannelFormat.Float16);
case VertexFormat.Color:
return(VertexChannelFormat.Color);
default:
throw new Exception(_this.ToString());
}
}
public static VertexFormatV2017 ToVertexFormatV2017(this VertexFormat _this)
{
switch (_this)
{
case VertexFormat.Float:
return(VertexFormatV2017.Float);
case VertexFormat.Float16:
return(VertexFormatV2017.Float16);
case VertexFormat.Byte:
return(VertexFormatV2017.UNorm8);
case VertexFormat.Int:
return(VertexFormatV2017.UInt32);
default:
throw new Exception(_this.ToString());
}
}
public void Read(BinaryReader data, VertexFormat format)
{
if (format == VertexFormat.Pixlit1UvNmap)
{
Pos = data.ReadVector3f();
Normal = data.ReadCompressedVector4f();
Tangent = data.ReadCompressedVector4f();
Uvs = new vector4f(data.ReadInt16(), data.ReadInt16(), 0.0f, 0.0f);
}
else if (format == VertexFormat.Pixlit3UvNmap)
{
Pos = data.ReadVector3f();
Normal = data.ReadCompressedVector4f();
Tangent = data.ReadCompressedVector4f();
Uvs = new vector4f(data.ReadInt16(), data.ReadInt16(), 0.0f, 0.0f);
data.Skip(8); //Skip other UVs, .obj files only support 1 uv per object so for now need to ignore these. These are usually just 0,0 anyway
}
else
{
throw new Exception($"{format.ToString()} is an unsupported vertex format! Please show the maintainer of this tool this error and the related mesh file.");
}
}
public static int GetSize(this VertexFormat _this, Version version)
{
switch (_this)
{
case VertexFormat.Float:
return(4);
case VertexFormat.Float16:
return(2);
case VertexFormat.Color:
return(ShaderChannelExtensions.ShaderChannel5Relevant(version) ? 1 : 4);
case VertexFormat.Byte:
return(1);
case VertexFormat.Int:
return(4);
default:
throw new Exception(_this.ToString());
}
}
public static int GetSize(this VertexFormat _this)
{
switch (_this)
{
case VertexFormat.Float:
return(4);
case VertexFormat.Float16:
return(2);
case VertexFormat.Color:
return(4);
case VertexFormat.Byte:
return(1);
case VertexFormat.Int:
return(4);
default:
throw new Exception(_this.ToString());
}
}