map_editor: read rgb macros instead of binary data for palettes

also fix tileset graphics handling

pokemontools/map_editor.py

@@ -445,7 +445,7 @@ class Tileset:
     def get_tiles(self):
         filename = self.get_tileset_gfx_filename()
         if not os.path.exists(filename):
-            gfx.to_png(filename.replace('.png','.2bpp'), filename)
+            gfx.export_lz_to_png(filename.replace('.png','.lz'))
         self.img = Image.open(filename)
         self.img.width, self.img.height = self.img.size
         self.tiles = []
@@ -505,30 +505,9 @@ class Tileset:
         self.palettes = get_palettes(filename)
 
 def get_palettes(filename):
-    pals = bytearray(open(filename, 'rb').read())
-
-    num_colors = 4
-    color_length = 2
-
-    palette_length = num_colors * color_length
-
-    num_pals = len(pals) / palette_length
-
-    palettes = []
-    for pal in xrange(num_pals):
-        palettes += [[]]
-
-        for color in xrange(num_colors):
-            i = pal * palette_length
-            i += color * color_length
-            word = pals[i] + pals[i+1] * 0x100
-            palettes[pal] += [[
-                c & 0x1f for c in [
-                    word >> 0,
-                    word >> 5,
-                    word >> 10,
-                ]
-            ]]
+    lines = open(filename, 'r').readlines()
+    colors = gfx.read_rgb_macros(lines)
+    palettes = [colors[i:i+4] for i in xrange(0, len(colors), 4)]
     return palettes
 
 def get_available_maps(config=config):