Multiple glyphs in a word.
[naja.git] / naja / actions.py
index 5a3e6e4b271787b5f166de37197c0d9fcad5606f..88f539f256dc98e2184c92ebbca62e8cc4f714bf 100644 (file)
@@ -1,4 +1,4 @@
-from naja.constants import BITS
+from naja.constants import BITS, CHESS_PIECES
 
 
 class LocationAction(object):
@@ -7,16 +7,34 @@ class LocationAction(object):
     """
 
     TEXT = None
+    USES_MSB = False
 
     def __init__(self, required_bits, **data):
-        self.required_bits = frozenset(required_bits)
+        self.required_bits = required_bits
         self.data = data
 
+    def get_text(self):
+        substitutions = self.data.copy()
+
+        if 'direction' in self.data:
+            substitutions['rowcol'] = {
+                'NORTH': 'column',
+                'SOUTH': 'column',
+                'EAST': 'row',
+                'WEST': 'row',
+            }[self.data['direction']]
+
+        if 'chesspiece' in self.data:
+            substitutions['chesspiece_name'] = self.data['chesspiece'].lower()
+
+        return self.TEXT % substitutions
+
     def check_available(self, player):
         return player.bits.check_bits(self.required_bits)
 
     def perform_action(self, board, location):
-        raise NotImplementedError("TODO")
+        raise NotImplementedError(
+            "%s does not implement perform_action()." % (type(self).__name__,))
 
     def check_and_clear_MSB(self, player):
         if player.bits.check_bit(BITS.MSB):
@@ -26,7 +44,9 @@ class LocationAction(object):
             return False
 
     def export(self):
-        raise NotImplementedError("TODO")
+        return {'required_bits': list(self.required_bits),
+                'data': self.data,
+                'action_class': self.__class__.__name__}
 
 
 class DoNothing(LocationAction):
@@ -35,13 +55,10 @@ class DoNothing(LocationAction):
     def perform_action(self, board, location):
         pass
 
-    def export(self):
-        return {'required_bits': list(self.required_bits),
-                'action_class': 'DoNothing'}
-
 
 class LoseHealthOrMSB(LocationAction):
-    TEXT = "Lose health. If MSB is set, it will be cleared instead."
+    TEXT = "Lose HEALTH or MSB."
+    USES_MSB = True
 
     def perform_action(self, board, location):
         if not self.check_and_clear_MSB(board.player):
@@ -60,3 +77,49 @@ class ToggleBits(LocationAction):
 
     def perform_action(self, board, location):
         board.player.bits.toggle_bits(location.bitwise_operand)
+
+
+class LoseHealthOrMSBAndSetBits(LocationAction):
+    TEXT = "Lose HEALTH or MSB, then set bits specified by this location."
+    USES_MSB = True
+
+    def perform_action(self, board, location):
+        if not self.check_and_clear_MSB(board.player):
+            board.lose_health()
+        board.player.bits.set_bits(location.bitwise_operand)
+
+
+class AcquireWinToken(LocationAction):
+    TEXT = "Gain WINTOKEN, then clear {REDKEY,GREENKEY,BLUEKEY}."
+
+    def perform_action(self, board, location):
+        board.acquire_win_token()
+        board.player.bits.clear_bits(set([
+            BITS.RED, BITS.GREEN, BITS.BLUE,
+        ]))
+
+
+class GainHealthAndClearBitsOrMSB(LocationAction):
+    TEXT = "Gain HEALTH, then clear bits specified by this location or MSB."
+    USES_MSB = True
+
+    def perform_action(self, board, location):
+        board.gain_health()
+        if not self.check_and_clear_MSB(board.player):
+            board.player.bits.clear_bits(location.bitwise_operand)
+
+
+class ShiftLocations(LocationAction):
+    TEXT = "Shift current %(rowcol)s %(direction)s."
+
+    def perform_action(self, board, location):
+        board.shift_locations(self.data['direction'])
+
+
+class AllowChessMove(LocationAction):
+    TEXT = "Move like a %(chesspiece_name)s for one turn."
+
+    def perform_action(self, board, location):
+        if self.data['chesspiece'] in CHESS_PIECES:
+            chesspiece = CHESS_PIECES[self.data['chesspiece']]
+            board.allow_chess_move(chesspiece)