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 static Texture GetTextureFromBoundImage(int imageNum = 0)
{
IL.ActiveImage(imageNum);
bool success = IL.ConvertImage(DevIL.DataFormat.RGBA, DevIL.DataType.UnsignedByte);
if (!success)
{
return(null);
}
int width = IL.GetImageInfo().Width;
int height = IL.GetImageInfo().Height;
Texture texture = new Texture((uint)width, (uint)height);
Texture.Bind(texture);
{
Gl.glTexParameteri(Gl.GL_TEXTURE_2D, Gl.GL_TEXTURE_MAG_FILTER, Gl.GL_LINEAR);
Gl.glTexParameteri(Gl.GL_TEXTURE_2D, Gl.GL_TEXTURE_MIN_FILTER, Gl.GL_LINEAR);
Gl.glTexImage2D(
Gl.GL_TEXTURE_2D, 0, IL.GetInteger(ILIntegerMode.ImageBytesPerPixel),
width, height, 0,
IL.GetInteger(ILIntegerMode.ImageFormat), ILDefines.IL_UNSIGNED_BYTE,
IL.GetData()
);
}
Texture.Bind(null);
return(texture);
}
public bool Activate()
{
if (m_rootImage <= 0)
{
return(false);
}
IL.BindImage(m_rootImage);
//Don't bother to activate if any subimages are zero, as it corresponds to the root image
if (m_imageIndex > 0 && !IL.ActiveImage(m_imageIndex))
{
return(false);
}
if (m_faceIndex > 0 && !IL.ActiveFace(m_faceIndex))
{
return(false);
}
if (m_layerIndex > 0 && !IL.ActiveLayer(m_layerIndex))
{
return(false);
}
if (m_mipMapIndex > 0 && !IL.ActiveMipMap(m_mipMapIndex))
{
return(false);
}
return(true);
}
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);
}
public bool Activate()
{
if ((int)this.m_rootImage <= 0)
{
return(false);
}
IL.BindImage(this.m_rootImage);
return((this.m_imageIndex <= 0 || IL.ActiveImage(this.m_imageIndex)) && (this.m_faceIndex <= 0 || IL.ActiveFace(this.m_faceIndex)) && ((this.m_layerIndex <= 0 || IL.ActiveLayer(this.m_layerIndex)) && (this.m_mipMapIndex <= 0 || IL.ActiveMipMap(this.m_mipMapIndex))));
}
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);
}
}
