X-Git-Url: https://git.ctpug.org.za/?a=blobdiff_plain;f=naja%2Factions.py;h=34c84f6660e7ac343e0dc94de2c200c609198fed;hb=0c5003d45e57223eca4a995952517648a9baa465;hp=333d174b75302f72e323a01b44c19a19cea38556;hpb=da7b5b8cfedca73f510a85275a5c9155b07c2cf9;p=naja.git

diff --git a/naja/actions.py b/naja/actions.py
index 333d174..34c84f6 100644
--- a/naja/actions.py
+++ b/naja/actions.py
@@ -1,16 +1,132 @@
-from naja.gameboard import LocationAction
+from naja.constants import BITS, CHESS_PIECES
+from naja.utils import bit_glyphs
+
+
+class LocationAction(object):
+    """
+    An action that may be performed on a location.
+    """
+
+    TEXT = None
+    USES_MSB = False
+
+    def __init__(self, required_bits, **data):
+        self.required_bits = required_bits
+        self.data = data
+
+    def get_text(self, location=None):
+        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()
+
+        if location is None:
+            substitutions['location_bits'] = 'bits specified by this location'
+        else:
+            substitutions['location_bits'] = bit_glyphs(
+                location.bitwise_operand)
+
+        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(
+            "%s does not implement perform_action()." % (type(self).__name__,))
+
+    def check_and_clear_MSB(self, player):
+        if player.bits.check_bit(BITS.MSB):
+            player.bits.clear_bit(BITS.MSB)
+            return True
+        else:
+            return False
+
+    def export(self):
+        return {'required_bits': list(self.required_bits),
+                'data': self.data,
+                'action_class': self.__class__.__name__}
 
 
 class DoNothing(LocationAction):
     TEXT = "No effect."
 
-    def perform_action(self, player, board):
+    def perform_action(self, board, location):
         pass
 
 
-class LoseHeathOrMSB(LocationAction):
-    TEXT = "Lose health. If MSB is set, it will be cleared instead."
+class LoseHealthOrMSB(LocationAction):
+    TEXT = "Lose HEALTH or MSB."
+    USES_MSB = True
 
-    def perform_action(self, player, board):
-        if not self.check_and_clear_MSB(player):
+    def perform_action(self, board, location):
+        if not self.check_and_clear_MSB(board.player):
             board.lose_health()
+
+
+class SetBits(LocationAction):
+    TEXT = "Set %(location_bits)s."
+
+    def perform_action(self, board, location):
+        board.player.bits.set_bits(location.bitwise_operand)
+
+
+class ToggleBits(LocationAction):
+    TEXT = "Toggle %(location_bits)s."
+
+    def perform_action(self, board, location):
+        board.player.bits.toggle_bits(location.bitwise_operand)
+
+
+class LoseHealthOrMSBAndSetBits(LocationAction):
+    TEXT = "Lose HEALTH or MSB, then set %(location_bits)s."
+    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 {RED,GREEN,BLUE}."
+
+    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 %(location_bits)s 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)