private void LoadSkins(BinaryReader reader)
{
mSkin = new M2SkinFile(ModelRoot, mModelName, 0);
if (mSkin.Load() == false)
{
throw new InvalidOperationException("Unable to load skin file");
}
Indices = mSkin.Indices;
mSubMeshes = mSkin.SubMeshes.Select(sm => new M2SubMeshInfo
{
BoundingSphere =
new BoundingSphere(sm.centerBoundingBox, sm.radius),
NumIndices = sm.nTriangles,
StartIndex = sm.startTriangle + (((sm.unk1 & 1) != 0) ? (ushort.MaxValue + 1) : 0)
}).ToArray();
var texLookup = ReadArrayOf <ushort>(reader, mHeader.OfsTexLookup, mHeader.NTexLookup);
var renderFlags = ReadArrayOf <uint>(reader, mHeader.OfsRenderFlags, mHeader.NRenderFlags);
var uvAnimLookup = ReadArrayOf <short>(reader, mHeader.OfsUvAnimLookup, mHeader.NUvAnimLookup);
foreach (var texUnit in mSkin.TexUnits)
{
var mesh = mSkin.SubMeshes[texUnit.submeshIndex];
int uvIndex;
if (texUnit.textureAnimIndex >= uvAnimLookup.Length || uvAnimLookup[texUnit.textureAnimIndex] < 0)
{
uvIndex = -1;
}
else
{
uvIndex = uvAnimLookup[texUnit.textureAnimIndex];
}
var startTriangle = (int)mesh.startTriangle;
if ((mesh.unk1 & 1) != 0)
{
startTriangle += ushort.MaxValue + 1;
}
var textures = new List <Graphics.Texture>();
var texIndices = new List <int>();
switch (texUnit.op_count)
{
case 2:
textures.Add(mTextures[texLookup[texUnit.texture]]);
textures.Add(mTextures[texLookup[texUnit.texture + 1]]);
texIndices.Add(texLookup[texUnit.texture]);
texIndices.Add(texLookup[texUnit.texture + 1]);
break;
case 3:
textures.Add(mTextures[texLookup[texUnit.texture]]);
textures.Add(mTextures[texLookup[texUnit.texture + 1]]);
textures.Add(mTextures[texLookup[texUnit.texture + 2]]);
texIndices.Add(texLookup[texUnit.texture]);
texIndices.Add(texLookup[texUnit.texture + 1]);
texIndices.Add(texLookup[texUnit.texture + 2]);
break;
default:
textures.Add(mTextures[texLookup[texUnit.texture]]);
texIndices.Add(texLookup[texUnit.texture]);
break;
}
var flags = renderFlags[texUnit.renderFlags];
var blendMode = flags >> 16;
var flag = flags & 0xFFFF;
if (mRemapBlend && texUnit.shaderId < mBlendMap.Length)
{
blendMode = mBlendMap[texUnit.shaderId];
}
blendMode %= 7;
if (blendMode != 0 && blendMode != 1)
{
HasBlendPass = true;
}
else
{
HasOpaquePass = true;
}
Passes.Add(new M2RenderPass
{
TextureIndices = texIndices,
Textures = textures,
AlphaAnimIndex = texUnit.transparencyIndex,
ColorAnimIndex = texUnit.colorIndex,
IndexCount = mesh.nTriangles,
RenderFlag = flag,
BlendMode = blendMode,
StartIndex = startTriangle,
TexAnimIndex = uvIndex,
TexUnitNumber = texUnit.texUnitNumber,
OpCount = texUnit.op_count,
VertexShaderType = M2ShadersClass.GetVertexShaderType(texUnit.shaderId, texUnit.op_count),
PixelShaderType = M2ShadersClass.GetPixelShaderType(texUnit.shaderId, texUnit.op_count),
});
}
SortPasses();
}
public void InitShaders()
{
// TODO: should they all go here?
mM2Shaders = new M2ShadersClass();
mM2Shaders.Initialize(Context);
}