X-Git-Url: https://git.ctpug.org.za/?a=blobdiff_plain;f=erdslangetjie%2Flevel.py;h=283588c087f53a69d05e232c0e393e6822f54e62;hb=a0b18a395627a951fe26fc6a3bf6acabdb23c41b;hp=4dffd6deb759fa075e29eda28b3867226fef2634;hpb=49aebbc4ef4ba436f5a8fc3f72e1982b4c79b51b;p=erdslangetjie.git

diff --git a/erdslangetjie/level.py b/erdslangetjie/level.py
index 4dffd6d..283588c 100644
--- a/erdslangetjie/level.py
+++ b/erdslangetjie/level.py
@@ -1,20 +1,20 @@
 # 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():
+        # 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):
@@ -57,3 +57,32 @@ class Level(object):
         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()