1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
|
#
# Ceibal Chess - A chess activity for Sugar.
# Copyright (C) 2008, 2009 Alejandro Segovia <asegovi@gmail.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
#
import pygame
import os
import gettext
from gettext import gettext as _
from resourcemanager import image_manager
class StatePanel:
'''Shows the current game state in a panel. The displayed game state
usually implies displaying the current turn (white or black), and
indicating a Checkmate.'''
def __init__(self, x, y, w, h):
'''Create a new instance of State Panel.
x,y are the position where the panel will be rendered.
w,h are the panel's desired size.'''
self.state = "move_white"
self.x, self.y, self.w, self.h = x, y, w, h
self.loaded = False
def set_state(self, state):
'''Set the state to the given parameter.
Valid states are: move_white, move_black, check_white, check_black,
checkmate_white and checkmate_black .'''
if not state in ["move_white", "move_black", "check_white", \
"check_black", "checkmate_white", "checkmate_black"]:
raise Exception("Invalid State: " + state)
self.state = state
def initialize(self):
'''Initialize Fonts, Images, etc.'''
self.bg = pygame.transform.scale( \
image_manager.get_image("menu_back.png"), (self.w, self.h))
pawn_white = image_manager.get_image("pawnwhite.png")
pawn_black = image_manager.get_image("pawnblack.png")
king_white = image_manager.get_image("kingwhite.png")
king_black = image_manager.get_image("kingblack.png")
self.turn_imgs = { "move_white" : pawn_white, \
"move_black" : pawn_black, \
"check_white" : king_white, \
"check_black" : king_black, \
"checkmate_white" : king_white, \
"checkmate_black" : king_black }
font = pygame.font.Font(None, 25)
self.turn_text = font.render(_("Current Turn:"), 1, (255, 255, 255))
self.check_text = font.render(_("Check:"), 1, (255, 255, 0))
self.mate_text = font.render(_("Checkmate:"), 1, (255, 20, 20))
self.loaded = True
def render(self, surface):
'''Render this panel on the given surface.'''
if not self.loaded:
self.initialize()
x,y,w,h = self.x, self.y, self.w, self.h
surface.blit(self.bg, pygame.Rect(x,y,w,h))
if self.state in ["move_white", "move_black"]:
surface.blit(self.turn_text, (x+(w-self.turn_text.get_width())/2.0, w/5.5))
elif self.state in ["check_white", "check_black"]:
surface.blit(self.check_text, (x+(w-self.check_text.get_width())/2.0, w/5.5))
else:
surface.blit(self.mate_text, (x+(w-self.mate_text.get_width())/2.0, w/5.5))
img = self.turn_imgs[self.state]
iw, ih = img.get_width(), img.get_height()
surface.blit(img, pygame.Rect(x + (w-iw)/2, y + (h-ih)/2, iw, ih))
class BoardRenderer(object):
def __init__(self, w, h):
self.background = None
self.w = w
self.h = h
self.cell_renderer = CellRenderer(PieceRenderer())
def render_moves_for_piece_in_cell(self, board, surface, cell):
'''Highlight possible moves for the piece in the given cell'''
if cell.piece is None:
raise Exception("cell does not contain a piece!")
#select hightlight colors:
if cell.piece.owner == board.current_turn:
color = (0, 255, 0)
color2 = (0, 180, 0)
else:
color = (255, 0, 0)
color2 = (180, 0, 0)
dests = cell.piece.get_moves(cell.pos, board, filter_check=True)
for dest in dests:
self.cell_renderer.render_as_highlight(board[dest.to], surface, color)
self.cell_renderer.render_as_highlight(cell, surface, color2)
def render_background(self, board, surface):
'''Render the checkboard background'''
if self.background is None:
#Create alternating background
self.background = pygame.Surface((self.w, self.h))
for i in range(0, 8):
for j in range(0, 8):
self.cell_renderer.render_background(board[i, j], self.background)
#Load texture and blit it
texture = image_manager.get_image("wood.png")
texture = pygame.transform.scale(texture, (self.w, self.h))
self.background.blit(texture, texture.get_rect())
surface.blit(self.background, self.background.get_rect())
def render_foreground(self, board, surface):
'''Render cell contents. Call render_foreground on each cell.'''
for i in range(0, 8):
for j in range(0, 8):
self.cell_renderer.render_foreground(board[i, j], surface)
class CellRenderer(object):
def __init__(self, piece_renderer):
self.piece_renderer = piece_renderer
def render_background(self, cell, surface):
'''Render the cell's background onto the given surface'''
tx = cell[0] * cell.size
ty = cell[1] * cell.size
surface.fill(cell.color, pygame.Rect(tx, ty, cell.size, cell.size))
def render_foreground(self, cell, surface):
'''Render the cell's foreground. Currently, this just forwards the
rendering call to the contained piece, if any. Rendering is performed
on the given surface.'''
if cell.piece:
self.piece_renderer.render(cell.pos, cell.size, cell.piece, surface)
def render_as_highlight(self, cell, surface, color = (0, 255, 0)):
'''Render the cell highlighted with a given color onto the given
surface. Used to highlight possible piece movements.'''
tx = cell[0] * cell.size
ty = cell[1] * cell.size
surface.fill(color, pygame.Rect(tx+5, ty+5, cell.size-10, cell.size-10))
class PieceRenderer(object):
def render(self, pos, size, piece, surface):
'''
Render the piece. x,y are the top left corner of the
container cell; cell_size is its size
'''
img = image_manager.get_image('%s%s.png' % (piece.type, piece.owner.name))
w,h = img.get_width(), img.get_height()
tx = pos[0]*size + (size - w) / 2
ty = pos[1]*size + (size - h) / 2
surface.blit(img, pygame.Rect(tx, ty, w, h))
|
