from common import *

class KPObjectDefinition(object):
	def __init__(self):
		self.rows = []
	
	def render(self, size):
		buf = []

		beforeRepeat = []
		inRepeat = []
		afterRepeat = []

		foundRepeat = False
		for row in self.rows:
			if (row[0][0] & 2) != 0:
				inRepeat.append(row)
				foundRepeat = True
			else:
				if foundRepeat:
					afterRepeat.append(row)
				else:
					beforeRepeat.append(row)

		bC, iC, aC = len(beforeRepeat), len(inRepeat), len(afterRepeat)

		if iC == 0:
			for y in xrange(size[1]):
				buf.append(self._renderRow(beforeRepeat[y % bC], size[0]))
		else:
			middleUntil = size[1] - aC

			for y in xrange(size[1]):
				if y < bC:
					buf.append(self._renderRow(beforeRepeat[y], size[0]))
				elif y < middleUntil:
					buf.append(self._renderRow(inRepeat[(y - bC) % iC], size[0]))
				else:
					buf.append(self._renderRow(afterRepeat[y - bC - iC], size[0]))

		return buf

	def _renderRow(self, row, width):
		buf = [-1 for i in xrange(width)]

		beforeRepeat = []
		inRepeat = []
		afterRepeat = []

		foundRepeat = False
		for tile in row:
			if (tile[0] & 1) != 0:
				inRepeat.append(tile[1])
				foundRepeat = True
			else:
				if foundRepeat:
					afterRepeat.append(tile[1])
				else:
					beforeRepeat.append(tile[1])

		bC, iC, aC = len(beforeRepeat), len(inRepeat), len(afterRepeat)

		if iC == 0:
			for x in xrange(width):
				buf[x] = beforeRepeat[x % bC]
		else:
			middleUntil = width - aC

			for x in xrange(width):
				if x < bC:
					buf[x] = beforeRepeat[y]
				elif x < middleUntil:
					buf[x] = inRepeat[(y - bC) % iC]
				else:
					buf[x] = afterRepeat[y - bC - iC]

		return buf






class KPTileset(object):
	def __init__(self):
		self.texture = None
		self.objects = []