Function Sprites_LoadCPSFile

src/sprites.c:294–333

* Loads a CPS file. * * @param filename The name of the file to load. * @param screenID The index of a memory block where to store loaded data. * @param palette Where to store the palette, if any. * @return The size of the loaded image. */

 * @return The size of the loaded image.
 */
static uint32 Sprites_LoadCPSFile(const char *filename, Screen screenID, uint8 *palette)
{
	uint8 index;
	uint16 size;
	uint8 *buffer;
	uint8 *buffer2;
	uint16 paletteSize;

	buffer = GFX_Screen_Get_ByIndex(screenID);

	index = File_Open(filename, FILE_MODE_READ);

	size = File_Read_LE16(index);

	File_Read(index, buffer, 8);

	size -= 8;

	paletteSize = READ_LE_UINT16(buffer + 6);

	if (palette != NULL && paletteSize != 0) {
		File_Read(index, palette, paletteSize);
	} else {
		File_Seek(index, paletteSize, 1);
	}

	buffer[6] = 0;	/* dont read palette next time */
	buffer[7] = 0;
	size -= paletteSize;

	buffer2 = GFX_Screen_Get_ByIndex(screenID);
	buffer2 += GFX_Screen_GetSize_ByIndex(screenID) - size - 8;

	memmove(buffer2, buffer, 8);
	File_Read(index, buffer2 + 8, size);

	File_Close(index);

	return Sprites_Decode(buffer2, buffer);
}

/**
 * Loads an image.