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-Title: Map File Format
-
-Group: Structure
-(start code)
-int ID // should be "DATA"
-int version // should be 2
-int size
-int swaplen
-	
-int num_item_types
-int num_items
-int num_raw_data
-	
-int item_size
-int data_size
-
-types {
-	int typeid
-	int start
-	int num
-} * (num_item_types)
-
-item_offsets {
-	int offset
-} * (num_items)
-	
-raw_data_offsets {
-	int offset
-} * (num_raw_data)
-
-item {
-	int type_and_id
-	int size
-	datai {
-		int data
-	} * (size/4)
-} * (num_items)
-
-raw_data {
-	byte d
-} * X
-(end)
-
-Notes:
-	* swaplen tells how much of the data that should be swapped
-	* types.start is an index into offsets
-	* item.size must be a multiple of 4
-	* the types must be sorted by type id
-	* special typeid of 0xffff means raw data, and there fore should always come last
-
-Could change:
-	* item.size could be removed
-
-Section: Registered Item Types
-
-Group: Image (0x8010)
-(start code)
-image {
-	int width
-	int height
-	int raw_data_index
-}
-
-pixel_data {
-	byte r
-	byte g
-	byte b
-	byte a
-} * (width * height)
-(end)
-
-Group: Tilemap (0x8020)
-(start code)
-tilemap {
-	int image
-	int width
-	int height
-	int x
-	int y
-	int scale
-	int raw_data_index
-}
-
-data {
-	byte data
-} * (width * height)
-(end)
-
-Group: Collision (0x8030)
-(start code)
-collision {
-	int width
-	int height
-	int raw_data_index
-}
-
-data {
-	byte data
-} * (width * height)
-(end)