Make map display empty squares

maps.py

@@ -1,10 +1,93 @@
+import curses
+import math
+from utils import CHUNK_HEIGHT, CHUNK_WIDTH, chunkx, chunky, inchunkx, inchunky, Position
+
+import sys
+
 class Map():
 	"""
 	A map which displays chunks and a cursor on the screen.
 	Allows for user to modify chunks in an intuitive way.
 	"""
 	
-	pass
+	def __init__(self, width, height, chunkpool):
+		self.worldx = 0
+		self.worldy = 0
+		self.cursorx = 0
+		self.cursory = 0
+		self.chunkpreload = 0
+		
+		self.chunkpool = chunkpool
+		
+		self._pad = curses.newpad(5, 5)
+		self.resize(width, height)
+	
+	def draw(self):
+		with self.chunkpool as pool:
+			for x in range(chunkx(self.width) + 1):
+				for y in range(chunky(self.height) + 1):
+					chunk = pool.get(x+chunkx(self.worldx), y+chunky(self.worldy))
+					if chunk:
+						chunk.draw_to(x*CHUNK_WIDTH, y*CHUNK_HEIGHT, self._pad)
+					else:
+						self.draw_empty_to(x*CHUNK_WIDTH, y*CHUNK_HEIGHT)
+		
+		# set cursor position in world
+		self._pad.move(
+			self.cursory - chunky(self.worldy)*CHUNK_HEIGHT,
+			self.cursorx - chunkx(self.worldx)*CHUNK_WIDTH
+		)
+		
+		#sys.stderr.write("{} {} 0 0 {} {} | {} {}\n".format(inchunky(self.worldy), inchunkx(self.worldx), self.height, self.width, self.py, self.px))
+		self._pad.noutrefresh(inchunky(self.worldy), inchunkx(self.worldx), 0, 0, self.height-1, self.width-1)
+		#self._pad.noutrefresh(0, 0, 0, 0, 10, 10)
+	
+	def draw_empty_to(self, x, y):
+		if False and curses.has_colors():
+			curses.init_pair(1, curses.COLOR_BLACK, curses.COLOR_WHITE)
+			for dy in range(CHUNK_HEIGHT):
+				self._pad.addstr(y+dy, x, " "*CHUNK_WIDTH, curses.color_pair(1))
+		else:
+			for dy in range(CHUNK_HEIGHT):
+				s = "."*(CHUNK_WIDTH)
+				#sys.stderr.write("Writing {!r} at {} {} ownsize {} {}\n".format(s, x, y+dy, self.px, self.py))
+				self._pad.addstr(y+dy, x, s)
+	
+	def resize(self, width, height):
+		self.width = width
+		self.height = height
+		
+		self._pad.resize(
+			(chunky(height) + 1)*CHUNK_HEIGHT,
+			(chunkx(width) + 1)*CHUNK_WIDTH + 1 # workaround for addwstr issue when drawing
+		)
+		
+		with self.chunkpool as pool:
+			pool.load_list(self.visible_chunk_coords())
+	
+	def visible_chunk_coords(self):
+		coords = []
+		
+		xstart = chunkx(self.worldx) - self.chunkpreload
+		ystart = chunky(self.worldy) - self.chunkpreload
+		xend = xstart + chunkx(self.width) + 1 + 2*self.chunkpreload
+		yend = ystart + chunky(self.height) + 1 + 2*self.chunkpreload
+		
+		for x in range(xstart, xend):
+			for y in range(ystart, yend):
+				coords.append(Position(x, y))
+		
+		return coords
+	
+	def write(self, char):
+		pass
+	
+	def move_cursor(self, dx, dy):
+		pass
+	
+	def scroll(self, dx, dy):
+		pass
+	
 
 class ChunkMap():
 	"""
@@ -12,4 +95,17 @@ class ChunkMap():
 	Might show additional details too (i.e. if a chunk has been modified).
 	"""
 	
-	pass
+	def __init__(self, chunkpool):
+		self.cpool = chunkpool
+#	
+#	def draw(self):
+#		pass
+#	
+#	def resize(self, size):
+#		pass
+#	
+	def move(self, x, y, corner):
+		pass
+	
+	def toggle(self):
+		pass