def tileGetClipData(self, tileIndex, tl=None, t=None):
		if tileIndex == None:
			topleft = tl
			type = t
		else:
			topleft = self.tiles[tileIndex][0]
			type = self.tiles[tileIndex][1]
		locale = 0
		ABOVE = 1
		LEFT = 2
		RIGHT = 4
		baseIndex = self.tileGetBaseIndex(type)
		for tile in self.tiles:
			if not type & 4:
				# Check for tiles above
				if tile[1] & 1: aboveHeight = 12
				else: aboveHeight = 4
				xRange = range(topleft[0], topleft[0] + TILE_WIDTH)
				yRange = range(topleft[1] - 1, topleft[1] + 1)
				if (tile[0][1] + aboveHeight in yRange) and ((tile[0][0] in xRange) or (tile[0][0] + TILE_WIDTH - 1 in xRange)):
					if not locale & ABOVE:
						locale += ABOVE
			if not type & 8:
				# Check for tiles of the same type to the left and right
				if type & COMBINE_FLAG:
					if tile[1] == type:
						if tile[0] == (topleft[0] - TILE_WIDTH, topleft[1]):
							locale += LEFT
						elif tile[0] == (topleft[0] + TILE_WIDTH, topleft[1]):
							locale += RIGHT
		index = baseIndex
		if locale & ABOVE:
			if (locale & LEFT) and (locale & RIGHT): index += 6
			elif locale & LEFT: index += 7
			elif locale & RIGHT: index += 5
			else: index += 1
		else:
			if type & 4:
				if (locale & LEFT) and (locale & RIGHT): index += 2
				elif locale & LEFT: index += 3
				elif locale & RIGHT: index += 1
			else:
				if (locale & LEFT) and (locale & RIGHT): index += 3
				elif locale & LEFT: index += 4
				elif locale & RIGHT: index += 2
		if (locale & ABOVE) or (type & 4) or (type & 8): addPip = False
		else: addPip = True
		return index, addPip