Better location shift action text.
[naja.git] / naja / actions.py
index 2b4d2128d4b8ecba5dd7a230524e75300305160d..ff8a431d0369fe0fa6f1ed1a52cbda87126fd538 100644 (file)
@@ -7,11 +7,27 @@ class LocationAction(object):
     """
 
     TEXT = None
+    USES_MSB = False
 
     def __init__(self, required_bits, **data):
-        self.required_bits = frozenset(required_bits)
+        bits = set()
+        for bit in required_bits:
+            # Convert names to numbers if applicable.
+            bits.add(BITS.get(bit, bit))
+        self.required_bits = frozenset(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']]
+        return self.TEXT % substitutions
+
     def check_available(self, player):
         return player.bits.check_bits(self.required_bits)
 
@@ -39,7 +55,8 @@ class DoNothing(LocationAction):
 
 
 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):
@@ -58,3 +75,40 @@ 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 = "Acquire a win token, then clear all key bits."
+
+    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'])