Add basic save file mechanism.

[plomrogue2-experiments] / new2 / plomrogue / mapping.py

diff --git a/new2/plomrogue/mapping.py b/new2/plomrogue/mapping.py
index 585000a1d0f471dfd8b4b5d2c0a3f6ecccb39445..39aff658bee8682fa738244879166fe6f0c250fe 100644 (file)
--- a/new2/plomrogue/mapping.py
+++ b/new2/plomrogue/mapping.py
@@ -54,3 +54,44 @@ class MapGeometrySquare(MapGeometryWithLeftRightMoves):
 
     def move_DOWN(self, start_pos):
         return YX(start_pos.y + 1, start_pos.x)
+
+
+
+class Map():
+
+    def __init__(self, map_size):
+        self.size = map_size
+        self.terrain = '.' * self.size_i
+
+    def __getitem__(self, yx):
+        return self.terrain[self.get_position_index(yx)]
+
+    def __setitem__(self, yx, c):
+        pos_i = self.get_position_index(yx)
+        if type(c) == str:
+            self.terrain = self.terrain[:pos_i] + c + self.terrain[pos_i + 1:]
+        else:
+            self.terrain[pos_i] = c
+
+    @property
+    def size_i(self):
+        return self.size.y * self.size.x
+
+    def set_line(self, y, line):
+        height_map = self.size.y
+        width_map = self.size.x
+        if y >= height_map:
+            raise ArgError('too large row number %s' % y)
+        width_line = len(line)
+        if width_line > width_map:
+            raise ArgError('too large map line width %s' % width_line)
+        self.terrain = self.terrain[:y * width_map] + line +\
+                       self.terrain[(y + 1) * width_map:]
+
+    def get_position_index(self, yx):
+        return yx.y * self.size.x + yx.x
+
+    def lines(self):
+        width = self.size.x
+        for y in range(self.size.y):
+            yield (y, self.terrain[y * width:(y + 1) * width])