Multitexturing & 3D textures...

	GLubyte TGAheader[12] = {0,0,2,0,0,0,0,0,0,0,0,0};
	GLubyte TGAcompare[12];				
	GLubyte header[6];				
	GLuint bytesPerPixel;				
	GLuint imageSize;				
	GLuint temp;						
	GLuint type = GL_RGBA;

	TextureImage texture;


	int HEIGHT;
	int WIDTH;
	int BPP;

	FILE *file1 = fopen(filename1, "rb");	

	fread(TGAcompare,1,sizeof(TGAcompare),file1);
	fread(header,1,sizeof(header),file1);

	texture.width  = header[1] * 256 + header[0];	
	texture.height = header[3] * 256 + header[2];	

	texture.bpp = header[4];			        	
	bytesPerPixel = texture.bpp/8;			                
	imageSize = texture.width*texture.height*bytesPerPixel;	

	texture.imageData=(GLubyte *)malloc(imageSize);

	fread(texture.imageData, 1, imageSize, file1);

	for(GLuint i=0; i<int(imageSize); i+=bytesPerPixel)		
	{								
		temp=texture.imageData;				
		texture.imageData = texture.imageData[i + 2];	
		texture.imageData[i + 2] = temp;			
	}

	fclose (file1);	

	HEIGHT = texture.height;
	WIDTH = texture.width;
	BPP = texture.bpp;

	unsigned char *tex3D = (GLubyte *)malloc(WIDTH * HEIGHT * 4 * BPP);

	for(int i = 0 ; i < HEIGHT*WIDTH ; i++)
		tex3D[i + WIDTH * HEIGHT * LAYER * BPP] = texture.imageData;

	
	///CUT!
        ///Here I do just about the same thing, with different files, and
        ///incrementing the LAYER.
        ///END CUT!



	glGenTextures(1, &Tex);	
	glBindTexture(GL_TEXTURE_3D, Tex);
	glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
	glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
	glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_S, GL_REPEAT);
	glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_T, GL_REPEAT);
	glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_R, GL_REPEAT);
	glTexImage3D(GL_TEXTURE_3D, 0, GL_RGB8, WIDTH, HEIGHT, 4, 0, type, GL_UNSIGNED_BYTE, tex3D);