Start hooking up editor functions

[erdslangetjie.git] / erdslangetjie / level.py

diff --git a/erdslangetjie/level.py b/erdslangetjie/level.py
index 4dffd6deb759fa075e29eda28b3867226fef2634..925974cf5dcdd6bdff124027a0ac10a0a582310b 100644 (file)
--- a/erdslangetjie/level.py
+++ b/erdslangetjie/level.py
@@ -1,20 +1,25 @@
 # The level object
 
-from data import load_image
+import os
+from data import load_image, load, filepath
+
+WALL = '.'
+FLOOR = ' '
+ENTRY = 'E'
+EXIT = 'X'
 
 
 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):
@@ -25,26 +30,80 @@ class Level(object):
         for j, line in enumerate(self.data):
             tile_line = []
             for i, c in enumerate(line):
-                if c == ' ':
-                    tile_line.append(load_image('tiles/floor.bmp'))
-                elif c == '.':
-                    tile_line.append(load_image('tiles/wall.bmp'))
-                elif c == 'E' or c == 'X':
-                    if c == 'E':
+                if c == FLOOR:
+                    tile_line.append(load_image('tiles/floor.png'))
+                elif c == WALL:
+                    tile_line.append(self.get_wall_tile(i, j))
+                elif c == ENTRY or c == EXIT:
+                    if c == ENTRY:
                         if self.enter_pos:
                             raise RuntimeError('Multiple entry points')
                         self.enter_pos = (i, j)
                     else:
                         self.exit_pos.append((i, j))
-                    tile_line.append(load_image('tiles/door.bmp'))
+                    tile_line.append(load_image('tiles/door.png'))
             self.tiles.append(tile_line)
 
     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 get_wall_tile(self, x, y):
+        # Is the neighbour in this direction also a wall?
+        left = right = top = bottom = False
+        if x == 0:
+            left = True
+        elif self.data[y][x - 1] == WALL:
+            left = True
+        if x == len(self.data[0]) - 1:
+            right = True
+        elif self.data[y][x + 1] == WALL:
+            right = True
+        if y == 0:
+            top = True
+        elif self.data[y - 1][x] == WALL:
+            top = True
+        if y == len(self.data) - 1:
+            bottom = True
+        elif self.data[y + 1][x] == WALL:
+            bottom = True
+        if top and bottom and left and right:
+            return load_image('tiles/cwall.png')
+        elif bottom and left and right:
+            return load_image('tiles/bottom_wall.png')
+        elif top and left and right:
+            return load_image('tiles/top_wall.png')
+        elif top and bottom and right:
+            return load_image('tiles/left_wall.png')
+        elif top and bottom and left:
+            return load_image('tiles/right_wall.png')
+        elif top and bottom:
+            return load_image('tiles/vert_wall.png')
+        elif left and right:
+            return load_image('tiles/horiz_wall.png')
+        elif left and top:
+            return load_image('tiles/corner_lt.png')
+        elif left and bottom:
+            return load_image('tiles/corner_lb.png')
+        elif right and top:
+            return load_image('tiles/corner_rt.png')
+        elif right and bottom:
+            return load_image('tiles/corner_rb.png')
+        elif top:
+            return load_image('tiles/end_top.png')
+        elif bottom:
+            return load_image('tiles/end_bottom.png')
+        elif left:
+            return load_image('tiles/end_right.png')
+        elif right:
+            return load_image('tiles/end_left.png')
+        return load_image('tiles/pillar.png')
+
     def blocked(self, pos):
         if pos[0] < 0:
             return True
@@ -57,3 +116,35 @@ 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()
+
+    def reset(self):
+        self._cur_level = 0