private void ApplyNiAVObject(NiAVObject niAVObject, GameObject obj)
{
obj.transform.position = NifUtils.NifPointToUnityPoint(niAVObject.Translation);
obj.transform.rotation = NifUtils.NifRotationMatrixToUnityQuaternion(niAVObject.Rotation);
obj.transform.localScale = niAVObject.Scale * Vector3.one;
}
private MaterialProps NiAVObjectPropertiesToMaterialProperties(NiAVObject obj)
{
// Find relevant properties.
NiTexturingProperty texturingProperty = null;
//NiMaterialProperty materialProperty = null;
NiAlphaProperty alphaProperty = null;
foreach (var propRef in obj.Properties)
{
var prop = _file.Blocks[propRef.Value];
if (prop is NiTexturingProperty)
{
texturingProperty = (NiTexturingProperty)prop;
}
//else if (prop is NiMaterialProperty) materialProperty = (NiMaterialProperty)prop;
else if (prop is NiAlphaProperty)
{
alphaProperty = (NiAlphaProperty)prop;
}
}
// Create the material properties.
var mp = new MaterialProps();
if (alphaProperty != null)
{
#region AlphaProperty Cheat Sheet
/*
* 14 bits used:
*
* 1 bit for alpha blend bool
* 4 bits for src blend mode
* 4 bits for dest blend mode
* 1 bit for alpha test bool
* 3 bits for alpha test mode
* 1 bit for zwrite bool ( opposite value )
*
* Bit 0 : alpha blending enable
* Bits 1-4 : source blend mode
* Bits 5-8 : destination blend mode
* Bit 9 : alpha test enable
* Bit 10-12 : alpha test mode
* Bit 13 : no sorter flag ( disables triangle sorting ) ( Unity ZWrite )
*
* blend modes (glBlendFunc):
* 0000 GL_ONE
* 0001 GL_ZERO
* 0010 GL_SRC_COLOR
* 0011 GL_ONE_MINUS_SRC_COLOR
* 0100 GL_DST_COLOR
* 0101 GL_ONE_MINUS_DST_COLOR
* 0110 GL_SRC_ALPHA
* 0111 GL_ONE_MINUS_SRC_ALPHA
* 1000 GL_DST_ALPHA
* 1001 GL_ONE_MINUS_DST_ALPHA
* 1010 GL_SRC_ALPHA_SATURATE
*
* test modes (glAlphaFunc):
* 000 GL_ALWAYS
* 001 GL_LESS
* 010 GL_EQUAL
* 011 GL_LEQUAL
* 100 GL_GREATER
* 101 GL_NOTEQUAL
* 110 GL_GEQUAL
* 111 GL_NEVER
*/
#endregion
var flags = alphaProperty.Flags;
var oldflags = flags;
var srcbm = (byte)(BitConverter.GetBytes(flags >> 1)[0] & 15);
var dstbm = (byte)(BitConverter.GetBytes(flags >> 5)[0] & 15);
mp.ZWrite = BitConverter.GetBytes(flags >> 15)[0] == 1; // smush
if (Utils.ContainsBitFlags(flags, 0x01)) // if flags contain the alpha blend flag at bit 0 in byte 0
{
mp.AlphaBlended = true;
mp.SrcBlendMode = FigureBlendMode(srcbm);
mp.DstBlendMode = FigureBlendMode(dstbm);
}
else if (Utils.ContainsBitFlags(flags, 0x100)) // if flags contain the alpha test flag
{
mp.AlphaTest = true;
mp.AlphaCutoff = (float)alphaProperty.Threshold / 255;
}
}
else
{
mp.AlphaBlended = false;
mp.AlphaTest = false;
}
// Apply textures.
if (texturingProperty != null)
{
mp.Textures = ConfigureTextureProperties(texturingProperty);
}
return(mp);
}
void ApplyNiAVObject(NiAVObject niAVObject, GameObject obj)
{
obj.transform.position = niAVObject.Translation.ToUnityVector(ConvertUtils.MeterInUnits);
obj.transform.rotation = niAVObject.Rotation.ToUnityQuaternionAsRotationMatrix();
obj.transform.localScale = niAVObject.Scale * Vector3.one;
}
