- map 3 system -

{map}
	format				3  (ID number for this type of map file format)
	isCompressed	false		(whether or not this data is in compressed form)
	tileSize				(size of a tile, in pixels)
	width					(map's width, in tiles)
	height					(map's height, in tiles)
	[chipsets]				(array of chipsets)
		[0]						(filename.png)
		[1]						(filename.png)
	[collision]				(2D array of collision ID numbers)
		[x]						(horz position)
			[y]		= 0		(vert position)
			[y]		= 1
			[y]		= 2
	[layers]					(array containing 2D arrays of tile indexes & chipset indexes)
		[L]						(layer index)
			[x]					(horz position)
				[y]				(vert position)
				[y]		= {chipset,x,y}		(chipset index, horz pos on chipset, vert pos on chipset)
				[y]		= {chipset,x,y}
				[y]		= {chipset,x,y}