Better location shifting.
[naja.git] / naja / gameboard.py
index 8d4106cc931011dea15725842abf188a0b51f999..edda43c702c146211ec0fca2f016e44c89f5c626 100644 (file)
@@ -2,7 +2,7 @@ from random import choice
 
 from naja.constants import(
     BITS, DIRECTION_BITS, CONDITION_BITS, PLAYER_DEFAULTS,
-    MOVE, ACT)
+    ACT, EXAMINE)
 from naja.player import Player
 from naja import actions
 
@@ -20,7 +20,7 @@ class GameBoard(object):
         self.locations = [item.copy() for item in state['locations']]
         self.player = player
         self.board_locations = board_locations
-        self.player_mode = MOVE
+        self.player_mode = EXAMINE
 
     @classmethod
     def new_game(cls, locations_definition,
@@ -88,21 +88,68 @@ class GameBoard(object):
 
     def lose_health(self):
         self.health -= 1
-        # TODO: Check win/lose
+        if self.health <= 0:
+            self.end_game(win=False)
+
+    def gain_health(self):
+        if self.health < self.max_health:
+            self.health += 1
+
+    def acquire_win_token(self):
+        self.wins += 1
+        if self.wins >= self.wins_required:
+            self.end_game(win=True)
 
     def replace_card(self, position):
         location = LocationCard.new_location(choice(self.locations).copy())
         self.board_locations[position] = location
 
-    def change_mode(self):
+    def shift_location_row(self, change, is_vertical):
+        px, py = self.player.position
+        shifted_locations = {}
+        mkpos = lambda i: (px, i) if is_vertical else (i, py)
+
+        for i in range(5):
+            if (px, py) == mkpos(i):
+                continue
+            new_i = (i + change) % 5
+            if (px, py) == mkpos(new_i):
+                new_i = (new_i + change) % 5
+            shifted_locations[mkpos(new_i)] = self.board_locations[mkpos(i)]
+
+        print change, is_vertical, shifted_locations
+        self.board_locations.update(shifted_locations)
+
+    def shift_locations(self, direction):
+        if BITS[direction] == BITS.NORTH:
+            self.shift_location_row(-1, is_vertical=True)
+        elif BITS[direction] == BITS.SOUTH:
+            self.shift_location_row(1, is_vertical=True)
+        elif BITS[direction] == BITS.EAST:
+            self.shift_location_row(1, is_vertical=False)
+        elif BITS[direction] == BITS.WEST:
+            self.shift_location_row(-1, is_vertical=False)
+
+    def change_mode(self, new_mode):
         """Advance to the next mode"""
-        if self.player_mode == MOVE:
-            self.player_mode = ACT
-        elif self.player_mode == ACT:
-            self.player_mode = MOVE
+        if new_mode == self.player_mode:
+            raise RuntimeError("Inconsistent state. Setting mode %s to itself"
+                               % self.player_mode)
+        elif new_mode in (ACT, EXAMINE):
+            self.player_mode = new_mode
         else:
             raise RuntimeError("Illegal player mode %s" % self.player_mode)
 
+    def end_game(self, win):
+        # TODO: Find a way to not have UI stuff in game logic stuff.
+        from naja.events import SceneChangeEvent
+        from naja.scenes.lose import LoseScene
+        from naja.scenes.win import WinScene
+        if win:
+            SceneChangeEvent.post(WinScene)
+        else:
+            SceneChangeEvent.post(LoseScene)
+
 
 class LocationCard(object):
     """