"better" auto-scrolling support

[erdslangetjie.git] / erdslangetjie / level.py

diff --git a/erdslangetjie/level.py b/erdslangetjie/level.py
index 3214cf665fb7ec3f7e718015de74cbf887297f96..450ce8c6152b4e2f9932b3eac0c3d8667b8ce632 100644 (file)
--- a/erdslangetjie/level.py
+++ b/erdslangetjie/level.py
@@ -1,21 +1,21 @@
 # The level object
 
-from data import load_image
+import os
+from data import load_image, load, filepath
 
 
 class Level(object):
 
-    def __init__(self):
+    def __init__(self, levelfile):
         self.data = []
         self.exit_pos = []
         self.enter_pos = None
         self.tiles = []
-
-    def load(self, levelfile):
-        """Load the level"""
-        self.data = []
-        for line in levelfile.readlines():
-            self.data.append(list(line))
+        # Because of how kivy's coordinate system works,
+        # we reverse the lines so things match up between
+        # the file and the display (top of file == top of display)
+        for line in reversed(levelfile.readlines()):
+            self.data.append(list(line.strip('\n')))
 
     def load_tiles(self):
         """Load the list of tiles for the level"""
@@ -42,5 +42,50 @@ class Level(object):
     def get_tiles(self):
         return self.tiles
 
+    def get_size(self):
+        return len(self.tiles[0]), len(self.tiles)
+
     def at_exit(self, pos):
         return pos in self.exit_pos
+
+    def blocked(self, pos):
+        if pos[0] < 0:
+            return True
+        if pos[1] < 0:
+            return True
+        try:
+            tile = self.data[pos[1]][pos[0]]
+        except IndexError:
+            return True
+        if tile == '.':
+            return True
+        return False
+
+
+class LevelList(object):
+
+    LEVELS = 'level_list'
+
+    def __init__(self):
+        self.levels = []
+        level_list = load(self.LEVELS)
+        for line in level_list:
+            line = line.strip()
+            if os.path.exists(filepath(line)):
+                level_file = load(line)
+                self.levels.append(Level(level_file))
+                level_file.close()
+            else:
+                print 'Level list includes non-existant level %s' % line
+        level_list.close()
+        self._cur_level = 0
+
+    def get_current_level(self):
+        if self._cur_level < len(self.levels):
+            return self.levels[self._cur_level]
+        else:
+            return None
+
+    def advance_to_next_level(self):
+        self._cur_level += 1
+        return self.get_current_level()