private MipMapChain CreateMipMapChain(ImageID imageID, int imageNum, int faceNum)
{
IL.BindImage(imageID);
if (!IL.ActiveImage(imageNum))
{
return(null);
}
if (!IL.ActiveFace(faceNum))
{
return(null);
}
//Get total number of mipmaps (including base face)
int mipMapCount = IL.ilGetInteger(ILDefines.IL_NUM_MIPMAPS) + 1;
MipMapChain mipMapChain = new MipMapChain();
//Get the first mipmap and every other, when we hit a null, we break
for (int i = 0; i < mipMapCount; i++)
{
ImageData data = ImageData.Load(new Subimage(imageID, imageNum, faceNum, 0, i));
if (data == null)
{
break;
}
mipMapChain.Add(data);
}
mipMapChain.TrimExcess();
return(mipMapChain);
}
private MipMapChain CreateMipMapChain(ImageID imageID, int imageNum, int faceNum)
{
IL.BindImage(imageID);
if (!IL.ActiveImage(imageNum))
{
return((MipMapChain)null);
}
if (!IL.ActiveFace(faceNum))
{
return((MipMapChain)null);
}
int num = IL.ilGetInteger(3570U) + 1;
MipMapChain mipMapChain = new MipMapChain();
for (int mipMapIndex = 0; mipMapIndex < num; ++mipMapIndex)
{
ImageData imageData = ImageData.Load(new Subimage(imageID, imageNum, faceNum, 0, mipMapIndex));
if (imageData != null)
{
mipMapChain.Add(imageData);
}
else
{
break;
}
}
mipMapChain.TrimExcess();
return(mipMapChain);
}
private Texture1D CreateTexture1D(MipMapChain mipMapChain)
{
ImageData mip0 = mipMapChain[0];
Texture1D tex = new Texture1D(mip0.Width, (mipMapChain.Count > 1), GetSurfaceFormat(mip0));
for (int i = 0; i < mipMapChain.Count; i++)
{
ImageData mip = mipMapChain[i];
byte[] data = (mip.HasCompressedData) ? mip.CompressedData : mip.Data;
tex.SetData <byte>(data, i, 0, mip.Width, 0, data.Length);
}
return(tex);
}
private void LoadFaces(ImageID imageID, int imageNum)
{
IL.BindImage(imageID);
if (!IL.ActiveImage(imageNum))
{
return;
}
int num = IL.ilGetInteger(3553U) + 1;
for (int faceNum = 0; faceNum < num; ++faceNum)
{
MipMapChain mipMapChain = this.CreateMipMapChain(imageID, imageNum, faceNum);
if (mipMapChain == null)
{
break;
}
this.m_faces.Add(mipMapChain);
}
}
private void LoadFaces(ImageID imageID, int imageNum)
{
IL.BindImage(imageID);
if (!IL.ActiveImage(imageNum))
{
return;
}
//Get total number of faces (including base face)
int faceCount = IL.ilGetInteger(ILDefines.IL_NUM_FACES) + 1;
//Get the first face and every other as a mip map chain, when we hit a null, we break
for (int i = 0; i < faceCount; i++)
{
MipMapChain mipMapChain = CreateMipMapChain(imageID, imageNum, i);
if (mipMapChain == null)
{
break;
}
m_faces.Add(mipMapChain);
}
}
private Texture CreateTexture(ManagedImage image)
{
MipMapChainCollection mipMapChainCollection = image.Faces;
int faceCount = mipMapChainCollection.Count;
if (faceCount == 1)
{
MipMapChain face = mipMapChainCollection[0];
if (face.Count > 0)
{
ImageData mip0 = face[0];
int width = mip0.Width;
int height = mip0.Height;
int depth = mip0.Depth;
//Only create 1D/3D textures if we have width/depth greater than zero. So an image that is 1x1x1
//will become a texture2d
if (width > 1 && height == 1 && depth == 1)
{
return(CreateTexture1D(face));
}
else if (depth > 1)
{
return(CreateTexture3D(face));
}
else
{
return(CreateTexture2D(face));
}
}
}
else if (faceCount > 1 && faceCount <= 6)
{
return(CreateTextureCube(mipMapChainCollection));
}
throw new ArgumentException("Invalid texture type");
}
private MipMapChain CreateMipMapChain(ImageID imageID, int imageNum, int faceNum) {
IL.BindImage(imageID);
if(!IL.ActiveImage(imageNum))
return null;
if(!IL.ActiveFace(faceNum))
return null;
//Get total number of mipmaps (including base face)
int mipMapCount = IL.ilGetInteger(ILDefines.IL_NUM_MIPMAPS) + 1;
MipMapChain mipMapChain = new MipMapChain();
//Get the first mipmap and every other, when we hit a null, we break
for(int i = 0; i < mipMapCount; i++) {
ImageData data = ImageData.Load(new Subimage(imageID, imageNum, faceNum, 0, i));
if(data == null)
break;
mipMapChain.Add(data);
}
mipMapChain.TrimExcess();
return mipMapChain;
}
