Highlight illegal actions in a different colour

[naja.git] / naja / widgets / info_area.py

diff --git a/naja/widgets/info_area.py b/naja/widgets/info_area.py
index 3e9152a34cf3630f6b49ef214d52e533e9ddee64..83998822bb054794766de2d0bdd24ba96aa2b568 100644 (file)
--- a/naja/widgets/info_area.py
+++ b/naja/widgets/info_area.py
@@ -4,7 +4,8 @@ Widget for the game board information area.
 import pygame
 import pygame.locals as pgl
 
-from naja.constants import INFO_SIZE, EIGHT_BIT_SCALE, MOVE, ACT, KEYS
+from naja.constants import (INFO_SIZE, EIGHT_BIT_SCALE, MOVE, ACT, KEYS,
+                            EXAMINE)
 from naja.events import finish_event
 from naja.resources import resources
 from naja.resources.mutators import EIGHT_BIT
@@ -15,14 +16,18 @@ from naja.widgets.text import TextBoxWidget, TextWidget
 
 
 HINTS = {
-        MOVE: "Move using the arrow keys.\nPress SPACE to stay in place",
+        MOVE: "Move using the arrow keys.\nPress SPACE to stay in place\n"
+              "Press TAB to change to Examine mode",
         ACT: "Choose an action using the Up/Down keys.\n"
              "Press Return to execute the action.",
+        EXAMINE: "Select a card to examine using the arrow keys.\n"
+                 "Press TAB to change to Move mode",
         }
 
 TITLES = {
         MOVE: "Move the Robot",
         ACT: "Choose an Action",
+        EXAMINE: "Select a Card",
         }
 
 
@@ -36,7 +41,8 @@ class InfoAreaWidget(Widget):
         self.set_position(state.player.position)
 
     def prepare(self):
-        self.set_position(self.state.player.position)
+        if self.state.gameboard.player_mode in (ACT, MOVE):
+            self.set_position(self.state.player.position)
         self.surface = pygame.surface.Surface(INFO_SIZE)
         self.surface.fill((0, 0, 0))
         # Extract actions and such from the card
@@ -44,6 +50,14 @@ class InfoAreaWidget(Widget):
                            colour=(255, 255, 255))
         title.render(self.surface)
         y_offset = title.surface.get_rect().height + 8
+
+        # TODO: Make this better.
+        bits_text = ''.join('1' if bit in self.card.bitwise_operand else '0'
+                            for bit in reversed(range(8)))
+        card_bits = TextWidget((0, y_offset), bits_text, colour=(255, 255, 0))
+        card_bits.render(self.surface)
+        y_offset += card_bits.surface.get_rect().height + 8
+
         for choice, action in enumerate(self.card.actions):
             y_offset = self.prepare_action(choice, action, y_offset)
         # We cheat horribly for layout reasons
@@ -69,7 +83,10 @@ class InfoAreaWidget(Widget):
 
         # self.chosen may be None, in which case we don't draw the border.
         if choice == self.chosen:
-            colour = (255, 255, 0, 128)
+            if not action.check_available(self.state.player):
+                colour = (255, 0, 0, 255)
+            else:
+                colour = (255, 255, 0, 128)
             bottom = y_offset + text.surface.get_rect().height
             right = text.surface.get_rect().width + 12
             pygame.draw.lines(self.surface, colour, True,
@@ -89,7 +106,7 @@ class InfoAreaWidget(Widget):
         surface.blit(self.surface, self.pos)
 
     def handle_event(self, ev):
-        if self.state.gameboard.player_mode == MOVE:
+        if self.state.gameboard.player_mode in (MOVE, EXAMINE):
             return super(InfoAreaWidget, self).handle_event(ev)
         if ev.type == pgl.KEYDOWN:
             if ev.key in KEYS.SELECT:
@@ -100,7 +117,7 @@ class InfoAreaWidget(Widget):
                 else:
                     action.perform_action(self.state.gameboard, self.card)
                     self.state.gameboard.replace_card(player.position)
-                    self.state.gameboard.change_mode()
+                    self.state.gameboard.change_mode(MOVE)
                 return finish_event()
             if ev.key in KEYS.UP:
                 if self.chosen > 0: