bool Texture::loadTGA(char *fileName)
{
	FILE				*filePtr;				// the file pointer
	TgaFile				tgaFile;				// 4 for RGBA or 3 for RGB
	unsigned char		ucharBad;				// garbage unsigned char data
	short int			sintBad;				// garbage short int data
	long				imageSize;				// size of the TGA image
	int					colorMode;				// 4
	unsigned int		imageIdx = 0;			// image index counter
	unsigned char		colorSwap;				// swap variable
	// open filename in "read binary" mode
	filePtr = fopen(fileName, "rb");
	if (filePtr == NULL)
		return false;

	// read the first two bytes of data we don't need
	fread(&ucharBad, sizeof(unsigned char), 1, filePtr);
	fread(&ucharBad, sizeof(unsigned char), 1, filePtr);

	// read in the image type
	fread(&tgaFile.imageTypeCode, sizeof(unsigned char), 1, filePtr);

	// for our purposes, the image type should be either 2 or 3 (meaning they are uncompressed
	// RGB or uncompressed black and white images respectivly)
	if( (tgaFile.imageTypeCode != 2) && (tgaFile.imageTypeCode != 3) )
	{
		fclose(filePtr);
		return false;
	}

	// read 13 bytes of data we don't need
	fread(&sintBad, sizeof(short int), 1, filePtr);
	fread(&sintBad, sizeof(short int), 1, filePtr);
	fread(&ucharBad, sizeof(unsigned char), 1, filePtr);
	fread(&sintBad, sizeof(short int), 1, filePtr);
	fread(&sintBad, sizeof(short int), 1, filePtr);

	// read image dimensions
	fread(&tgaFile.imageWidth, sizeof(short int), 1, filePtr);
	fread(&tgaFile.imageHeight, sizeof(short int), 1, filePtr);

	// read image bit depth
	fread(&tgaFile.bitCount, sizeof(unsigned char), 1, filePtr);

	// read 1 byte of data we don't need
	fread(&ucharBad, sizeof(unsigned char), 1, filePtr);

	// colorMode -> 3 = BRG, 4 = BGRA
	colorMode = tgaFile.bitCount / 8;
	imageSize = tgaFile.imageWidth * tgaFile.imageHeight * colorMode;

	// allocate memory for image data
	tgaFile.imageData = (unsigned char*)malloc(sizeof(unsigned char)*imageSize);

	// read in image data
	fread(&tgaFile.imageData, sizeof(unsigned char), imageSize, filePtr);

	// change BGR to RGB so OpenGL can read the image data
	for(imageIdx = 0; imageIdx < imageSize; imageIdx += colorMode)
	{
		colorSwap = tgaFile.imageData[imageIdx];
		tgaFile.imageData[imageIdx] = tgaFile.imageData[imageIdx + 2];
		tgaFile.imageData[imageIdx + 2] = colorSwap;
	}

	// close the file
	fclose(filePtr);

	glGenTextures(1, &_myTexture);
	glBindTexture(GL_TEXTURE_2D, _myTexture);

	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR_MIPMAP_LINEAR);
	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);

	// load the texture image
	//glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, bitmapInfoHeader.biWidth,
	//				bitmapInfoHeader.biHeight, 0, GL_RGB, GL_UNSIGNED_BYTE, bitmapData);
	gluBuild2DMipmaps(GL_TEXTURE_2D, GL_RGBA, tgaFile.imageWidth, tgaFile.imageHeight,
					GL_RGBA, GL_UNSIGNED_BYTE, tgaFile.imageData);

	return true;
}