private static Block GetLitTextureShaderBlock(Shader shader)
{
var w = new BlockWriter();
w.WriteString(shader.Name); // shader name
w.WriteU32(1); // Lit texture shader attributes: 1 = Lights enabled
w.WriteF32(0f); // Alpha Test Reference
w.WriteU32(0x00000617); // Alpha Test Function: ALWAYS
w.WriteU32(0x00000605); // Color Blend Function: FB_MULTIPLY
w.WriteU32(1); // Render pass enabled flags
w.WriteU32(string.IsNullOrEmpty(shader.Texture) ? 0u : 1u); // Shader channels (active texture count)
w.WriteU32(0); // Alpha texture channels
w.WriteString(shader.Material); // Material name
// Texture information.
if (!string.IsNullOrEmpty(shader.Texture))
{
w.WriteString(shader.Texture); // Texture name
w.WriteF32(1f); // Texture Intensity
w.WriteU8(0); // Blend function: 0 - Multiply
w.WriteU8(1); // Blend Source, 1 - blending constant
w.WriteF32(1f); // Blend Constant
w.WriteU8(0x00); // Texture Mod; 0x00: TM_NONE; shader should use texture coordinates of the model
w.WriteArray(Matrix4.GetIdentityMatrix().ToArray()); // Texture Transform Matrix Element
w.WriteArray(Matrix4.GetIdentityMatrix().ToArray()); // Texture Wrap Transform Matrix Element
w.WriteU8(0x03); // Texture Repeat
}
return(w.GetBlock(BlockType.LitTextureShader));
}
private static Block GetTextureDeclarationBlock(Texture texture)
{
var w = new BlockWriter();
w.WriteString(texture.Name); // texture name
// Texture image format.
w.WriteU32(0); // texture height
w.WriteU32(0); // texture width
w.WriteU8(0x0F); // texture image type, 0x0F - color RGBA
w.WriteU32(1); // continuation image count
// Continuation image format.
w.WriteU8((byte)texture.ImageFormat); // compression type, 0x01 - JPEG-24, 0x02 - PNG, 0x03 - JPEG-8, 0x04 - TIFF
w.WriteU8(0x0F); // texture image channels, 0x0F: alpha, red, green, blue
w.WriteU16(0x0000); // continuation image attributes, 0x0000 - default attributes
w.WriteU32((uint)texture.Image.Length); // image data byte count
return(w.GetBlock(BlockType.TextureDeclaration));
}
private static Block GetTextureContinuationBlock(Texture texture)
{
var w = new BlockWriter();
w.WriteString(texture.Name); // texture name
w.WriteU32(0); // continuation image index
// Image data.
foreach (byte b in texture.Image)
{
w.WriteU8(b);
}
return(w.GetBlock(BlockType.TextureContinuation));
}
