5 ;;; (c) 2007 Mark Wooding
8 ;;;----- Licensing notice ---------------------------------------------------
10 ;;; This program is free software; you can redistribute it and/or modify
11 ;;; it under the terms of the GNU General Public License as published by
12 ;;; the Free Software Foundation; either version 2 of the License, or
13 ;;; (at your option) any later version.
15 ;;; This program is distributed in the hope that it will be useful,
16 ;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 ;;; GNU General Public License for more details.
20 ;;; You should have received a copy of the GNU General Public License
21 ;;; along with this program; if not, write to the Free Software Foundation,
22 ;;; Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
24 (cl:defpackage #:atoms
29 #+clisp (:shadow #:map-dependents #:add-dependent #:remove-dependent))
30 (cl:in-package #:atoms)
32 (eval-when (:compile-toplevel :load-toplevel :execute)
33 (asdf:operate 'asdf:load-op :gtk))
37 ;;; Before we start, I should probably point out that the first version of
38 ;;; this program was written in Smalltalk, which may explain its slight
39 ;;; object-ravioli nature.
41 ;;;--------------------------------------------------------------------------
42 ;;; Dependent management.
46 (defgeneric notify (dependent model aspect &key &allow-other-keys)
47 (:method-combination progn)
48 (:method progn (dependent model aspect &rest arguments)
49 (declare (ignore arguments))
52 (defgeneric map-dependents (model function))
53 (defgeneric add-dependent (model dependent))
54 (defgeneric remove-dependent (model dependent))
56 (defgeneric changed (model &optional aspect &key &allow-other-keys)
57 (:method (model &optional aspect &rest arguments)
60 (apply #'notify dependent model aspect arguments)))))
62 ;; Generic implementation.
65 ((dependents :type list :initform nil)))
67 (defun clean-up-danglies (model)
68 (with-slots (dependents) model
70 (delete-if-not (lambda (weak)
71 (nth-value 1 (weak-pointer-value weak)))
74 (defmethod map-dependents ((model model) function)
75 (with-slots (dependents) model
77 (dolist (dependent dependents)
78 (multiple-value-bind (object foundp)
79 (weak-pointer-value dependent)
81 (funcall function object)
83 (when danglies (clean-up-danglies model))
86 (defmethod add-dependent ((model model) dependent)
87 (let ((foundp (block nil
90 (when (eql dependent dep)
93 (push (make-weak-pointer dependent)
94 (slot-value model 'dependents)))))
96 (defmethod remove-dependent ((model model) dependent)
97 (with-slots (dependents) model
98 (setf dependents (delete dependent dependents
99 :key #'weak-pointer-value))
100 (clean-up-danglies model)))
102 ;;;--------------------------------------------------------------------------
105 (defclass undoable ()
106 ((undo-list :type list :reader undo-list :initform nil)
107 (redo-list :type list :reader redo-list :initform nil)))
109 (defgeneric snapshot (object))
110 (defgeneric restore (object snapshot))
111 (defgeneric store-undo-snapshot (object snapshot))
112 (defgeneric undo (object))
113 (defgeneric redo (object))
114 (defgeneric reset-undo-state (object))
116 (defmethod store-undo-snapshot ((object undoable) snapshot)
117 (push snapshot (slot-value object 'undo-list))
118 (setf (slot-value object 'redo-list) nil))
120 (defmacro with-undo-snapshot ((object) &body body)
121 (let ((snap (gensym "SNAPSHOT"))
122 (obj (gensym "OBJECT")))
123 `(let* ((,obj ,object)
124 (,snap (snapshot ,obj)))
125 (multiple-value-prog1 (progn ,@body)
126 (store-undo-snapshot ,obj ,snap)))))
128 (defun undo-redo (object from to)
129 (let ((from-list (slot-value object from)))
131 (let ((undo-snap (car from-list))
132 (here-snap (snapshot object)))
133 (restore object undo-snap)
134 (push here-snap (slot-value object to))
135 (pop (slot-value object from)))))
137 (defmethod undo ((object undoable))
138 (undo-redo object 'undo-list 'redo-list))
140 (defmethod redo ((object undoable))
141 (undo-redo object 'redo-list 'undo-list))
143 (defmethod reset-undo-state ((object undoable))
144 (setf (slot-value object 'undo-list) nil
145 (slot-value object 'redo-list) nil))
147 (defclass undoable-model (undoable model)
150 (defmethod undo :after ((object undoable-model))
151 (changed object :undo))
153 (defmethod redo :after ((object undoable-model))
154 (changed object :redo))
156 ;;;--------------------------------------------------------------------------
161 (defclass atom-cell ()
162 ((owner :reader cell-owner :initform nil :type (or fixnum null))
163 (count :reader cell-count :initform 0 :type fixnum)
164 (pending :initform 0 :type fixnum)
165 (neighbours :reader cell-neighbours :type list :initform nil)
166 (x :reader cell-x :initarg :x :type fixnum)
167 (y :reader cell-y :initarg :y :type fixnum)))
169 (defgeneric cell-played (cell player))
170 (defgeneric cell-critical-p (cell))
171 (defgeneric cell-explode (cell))
172 (defgeneric cell-apply-pending-updates (cell))
173 (defun cell-position (cell) (vector (cell-x cell) (cell-y cell)))
175 (defun make-atoms-grid (width height)
176 (let ((grid (make-array (list height width) :element-type 'atom-cell)))
179 (setf (aref grid j i) (make-instance 'atom-cell :x i :y j))))
182 (setf (slot-value (aref grid j i) 'neighbours)
183 (nconc (and (> j 0) (list (aref grid (1- j) i)))
184 (and (> i 0) (list (aref grid j (1- i))))
185 (and (< i (1- width)) (list (aref grid j (1+ i))))
186 (and (< j (1- height)) (list (aref grid (1+ j) i)))))))
190 ((name :accessor player-name :initarg :name :type string)
191 (score :accessor player-score :initform 0 :type fixnum)
192 (state :accessor player-state :initform :starting
193 :type (member :starting :playing :ready :losing :winning))
194 (colour :accessor player-colour :initarg :colour :type gdk:color)))
196 (defclass human-player (player) ())
198 (defgeneric player-cell-selected (game player i j)
199 (:method (game player i j) nil))
200 (defgeneric player-turn-begin (game player)
201 (:method (game player) nil))
203 (defclass atom-game (undoable-model)
204 ((grid :accessor game-grid :initarg :grid :type (array atom-cell (* *)))
205 (players :accessor game-players :initarg :players :type vector)
206 (player-index :accessor game-player-index :initform 0 :type fixnum)
207 (timeout-id :initform nil)))
209 (defgeneric game-cell-selected (game i j))
210 (defgeneric play-cell (game player i j))
214 (defmethod cell-played ((cell atom-cell) player)
215 (with-slots (owner count) cell
216 (cond ((zerop count) (setf owner player count 1) t)
217 ((eql owner player) (incf count) t)
220 (defmethod cell-critical-p ((cell atom-cell))
221 (with-slots (count neighbours) cell
222 (>= count (length neighbours))))
224 (defmethod cell-explode ((cell atom-cell))
225 (with-slots (count neighbours owner pending) cell
226 (multiple-value-bind (spill left) (floor count (length neighbours))
229 (dolist (neighbour neighbours)
230 (incf (slot-value neighbour 'pending) spill)
231 (setf (slot-value neighbour 'owner) owner))
235 (cons cell (copy-list neighbours)))))))
237 (defmethod cell-apply-pending-updates ((cell atom-cell))
238 (with-slots (count pending) cell
242 (deftype cell-snapshot () '(unsigned-byte 16))
244 (defmethod snapshot ((cell atom-cell))
245 (with-slots (count owner) cell
246 (cond ((null owner) 0)
247 (t (assert (and (<= 0 count 255)
249 (logior (ash owner 8)
252 (defmethod restore ((cell atom-cell) (snapshot integer))
253 (declare (type cell-snapshot snapshot))
254 (with-slots (count owner) cell
255 (setf (values count owner)
258 (values (ldb (byte 8 0) snapshot)
259 (ldb (byte 8 8) snapshot))))))
261 (defmethod player-cell-selected (game (player human-player) i j)
262 (and (eql (player-state player) :ready)
263 (play-cell game player i j)))
265 (defmethod snapshot ((player player))
266 (list (player-score player) (player-state player)))
268 (defmethod restore ((player player) (list list))
269 (destructuring-bind (score state) list
270 (setf (player-score player) score
271 (player-state player) state)))
273 (defmethod game-update-scores (game)
274 (let ((players (game-players game))
275 (grid (game-grid game)))
276 (dotimes (i (length players))
277 (setf (player-score (aref players i)) 0))
278 (dotimes (i (array-total-size grid))
279 (let* ((cell (row-major-aref grid i))
280 (owner (cell-owner cell))
281 (player (and owner (aref players owner)))
282 (count (cell-count cell)))
283 (when (and player (plusp count))
284 (incf (player-score player) count))))
285 (let ((remaining 0) (found nil))
286 (dotimes (i (length players))
287 (let* ((player (aref players i))
288 (score (player-score player))
289 (state (player-state player)))
290 (cond ((and (zerop score) (eql state :playing))
291 (setf (player-state player) :losing))
292 ((member state '(:playing :starting :ready))
294 (setf found player)))))
295 (changed game :scores :players players)
296 (when (and (= remaining 1) (>= (length players) 2))
297 (setf (player-state found) :winning)
298 (changed game :finished :victor found)))))
300 (defmethod game-next-player (game)
301 (let ((players (game-players game))
302 (player-index (game-player-index game)))
303 (dotimes (i (length players))
304 (let* ((j (mod (+ player-index i 1) (length players)))
305 (player (aref players j)))
306 (when (member (player-state player) '(:starting :playing))
307 (setf (game-player-index game) j
308 (player-state player) :ready)
309 (player-turn-begin game player)
310 (changed game :start-turn :player player)
313 (defvar *cells-remaining* nil)
315 (defun perform-pending-explosions (game cells)
316 (let ((affected (delete-duplicates
317 (mapcan #'cell-explode cells))))
318 (mapc #'cell-apply-pending-updates affected)
319 (perform-explosions game affected)))
321 (defvar *explosion-time* 100)
323 (defun perform-explosions (game cells)
324 (game-update-scores game)
325 (changed game :cell-update :cells cells)
326 (let ((critical (delete-if-not #'cell-critical-p cells)))
327 (setf *cells-remaining* critical)
328 (cond ((null critical) (game-next-player game) t)
329 (t (with-slots (timeout-id) game
330 (setf timeout-id (glib:timeout-add
333 (setf timeout-id nil)
334 (perform-pending-explosions game critical)
338 (defun game-cancel-timeout (game)
339 (with-slots (timeout-id) game
341 (glib:source-remove timeout-id)
342 (setf timeout-id nil))))
344 (defmethod game-player ((game atom-game))
345 (aref (game-players game) (game-player-index game)))
347 (defmethod game-cell-selected ((game atom-game) i j)
348 (player-cell-selected game (game-player game) i j))
350 (defmethod initialize-instance :after ((game atom-game) &key)
351 (setf (player-state (game-player game)) :ready))
353 (defmethod play-cell ((game atom-game) player i j)
354 (with-slots (grid players player-index) game
355 (assert (and (<= 0 i) (< i (array-dimension grid 1))
356 (<= 0 j) (< j (array-dimension grid 0))))
357 (let ((cell (aref grid j i))
358 (player (aref players player-index)))
360 (with-undo-snapshot (game)
361 (unless (cell-played cell player-index)
362 (return-from escape))
363 (setf (player-state player) :playing)
364 (changed game :processing-move))
365 (perform-explosions game (list cell))))))
367 (defmethod restart-game ((game atom-game) &key grid players)
368 (game-cancel-timeout game)
369 (setf (game-grid game)
371 (let ((old (game-grid game)))
372 (make-atoms-grid (array-dimension old 1)
373 (array-dimension old 0)))))
375 (setf (game-players game) players)
376 (setf players (game-players game)))
377 (reset-undo-state game)
378 (dotimes (i (length players))
379 (let ((player (aref players i)))
380 (setf (player-score player) 0
381 (player-state player) (if (zerop i) :ready :starting))))
382 (setf (game-player-index game) 0)
383 (changed game :refresh))
385 ;;;--------------------------------------------------------------------------
386 ;;; Snapshots and undo.
388 (defclass atom-game-snapshot ()
389 ((grid :type (array cell-snapshot (* *)) :initarg :grid)
390 (players :type list :initarg :players)
391 (player-index :type fixnum :initarg :player-index)))
393 (defmethod snapshot ((game atom-game))
394 (let* ((grid (game-grid game))
395 (grid-snapshot (make-array (array-dimensions grid)
396 :element-type 'cell-snapshot
397 :initial-element 0)))
398 (dotimes (i (array-total-size grid))
399 (setf (row-major-aref grid-snapshot i)
400 (snapshot (row-major-aref grid i))))
401 (make-instance 'atom-game-snapshot
402 :players (map 'list #'snapshot (game-players game))
403 :player-index (game-player-index game)
404 :grid grid-snapshot)))
406 (defmethod restore ((game atom-game) (snapshot atom-game-snapshot))
407 (let ((snap-grid (slot-value snapshot 'grid))
408 (snap-players (slot-value snapshot 'players))
409 (grid (game-grid game))
410 (players (game-players game)))
411 (dotimes (i (array-total-size grid))
412 (restore (row-major-aref grid i)
413 (row-major-aref snap-grid i)))
414 (loop for player across players
415 for snap-player in snap-players
416 do (restore player snap-player))
417 (setf (game-player-index game) (slot-value snapshot 'player-index))
418 (game-cancel-timeout game)
419 (changed game :refresh)
420 (let ((critical-cells (loop for i below (array-total-size grid)
421 for cell = (row-major-aref grid i)
422 if (cell-critical-p cell)
424 (when critical-cells (perform-explosions game critical-cells)))))
426 ;;;--------------------------------------------------------------------------
427 ;;; The interactive board.
429 (defclass atoms-board (gtk:drawing-area)
430 ((game :accessor board-game :initarg :game :type atom-game)
431 (cache :initform nil :accessor board-cache))
432 (:metaclass glib:gobject-class))
434 (defmethod board-grid ((board atoms-board))
435 (game-grid (board-game board)))
437 (defgeneric paint (widget event))
439 (defun paint-atoms (cr count colour)
440 (let* ((centrep (and (oddp count) (/= count 3)))
441 (surround (if centrep (1- count) count))
442 (angle (and (plusp surround) (/ (* 2 pi) surround)))
445 (t (/ (- pi angle) 2))))
447 (sep (cond ((and centrep (<= surround 6)) (* 2 radius))
448 ((<= surround 2) radius)
449 (t (/ radius (sin (/ angle 2)))))))
451 (cairo:new-sub-path cr)
452 (cairo:arc cr 0 0 radius 0 (* 2 pi)))
453 (dotimes (i surround)
454 (cairo:new-sub-path cr)
457 (- (* sep (sin theta)))
462 (gdk:cairo-set-source-color cr (gdk:ensure-color colour))
464 (setf (cairo:line-width cr)
465 (max 0.02 (cairo:device-to-user-distance cr 1)))
466 (cairo:set-source-color cr 0 0 0)
467 (cairo:stroke cr nil)))
469 (defparameter cache-limit 8)
471 (defun make-cached-atom-surfaces (board colour)
472 (multiple-value-bind (width height) (gtk:widget-get-size-allocation board)
473 (let* ((vector (make-array cache-limit))
474 (grid (board-grid board))
475 (surface-width (floor width (array-dimension grid 1)))
476 (surface-height (floor height (array-dimension grid 0))))
477 (dotimes (i (length vector))
478 (let* ((surface (make-instance 'cairo:image-surface
480 :height surface-height
482 (cr (make-instance 'cairo:context :target surface)))
483 (cairo:scale cr surface-width surface-height)
484 (cairo:translate cr 0.5 0.5)
485 (paint-atoms cr (1+ i) colour)
486 (setf (aref vector i) surface)))
489 (defun cached-atom-surface (board count colour)
490 (let ((cache (board-cache board)))
492 (setf cache (make-hash-table)
493 (board-cache board) cache))
494 (let ((vector (gethash colour cache)))
496 (setf vector (make-cached-atom-surfaces board colour)
497 (gethash colour cache) vector))
498 (and (< 0 count) (<= count (length vector))
499 (aref vector (1- count))))))
501 (defmethod paint ((widget atoms-board) event)
502 (multiple-value-bind (width height) (gtk:widget-get-size-allocation widget)
503 (let* ((style (gtk:widget-style widget))
504 (grid (board-grid widget))
505 (vsq (array-dimension grid 0))
506 (hsq (array-dimension grid 1))
507 (game (board-game widget))
508 (players (game-players game))
509 lo-hsq hi-hsq lo-vsq hi-vsq
510 (display (gtk:widget-get-display widget))
511 (region (make-instance 'gdk:region))
512 (redraw-map (make-array (list vsq hsq)
514 :initial-element 0)))
516 (loop (let* ((loh (floor (* (gdk:event-x event) hsq) width))
517 (hih (ceiling (* (+ (gdk:event-x event)
518 (gdk:event-width event))
521 (lov (floor (* (gdk:event-y event) vsq) height))
522 (hiv (ceiling (* (+ (gdk:event-y event)
523 (gdk:event-height event))
526 (gdk:region-union region
527 (vector (gdk:event-x event)
529 (gdk:event-width event)
530 (gdk:event-height event)))
531 (when (or (null lo-hsq) (< loh lo-hsq)) (setf lo-hsq loh))
532 (when (or (null hi-hsq) (< hih hi-vsq)) (setf hi-hsq hih))
533 (when (or (null lo-vsq) (< lov lo-hsq)) (setf lo-vsq lov))
534 (when (or (null hi-vsq) (< hiv hi-vsq)) (setf hi-vsq hiv))
535 (do ((j lov (1+ j))) ((>= j hiv))
536 (do ((i loh (1+ i))) ((>= i hih))
537 (setf (bit redraw-map j i) 1)))
538 (when (zerop (gdk:event-count event))
540 (setf event (gdk:display-get-event display))))
542 (gdk:with-cairo-context (cr (gtk:widget-window widget))
543 (cairo:reset-clip cr)
544 (gdk:cairo-region cr region)
546 (cairo:with-context (cr)
547 (gdk:cairo-set-source-color cr (gtk:style-fg style :normal))
548 (cairo:translate cr 1/2 1/2)
549 (setf (cairo:line-width cr) 1
550 (cairo:antialias cr) :none)
551 (let ((h (1- height)) (w (1- width)))
552 (do ((j lo-vsq (1+ j))) ((> j hi-vsq))
553 (let ((y (round (* j h) vsq)))
554 (cairo:move-to cr 0 y)
555 (cairo:line-to cr w y)))
556 (do ((i lo-hsq (1+ i))) ((> i hi-hsq))
557 (let ((x (round (* i w) hsq)))
558 (cairo:move-to cr x 0)
559 (cairo:line-to cr x h))))
561 (do ((j lo-vsq (1+ j))) ((>= j hi-vsq))
562 (do ((i lo-hsq (1+ i))) ((>= i hi-hsq))
563 (when (plusp (bit redraw-map j i))
564 (let* ((cell (aref grid j i))
565 (count (cell-count cell))
566 (colour (and (plusp count) (cell-owner cell)
569 (cell-owner cell)))))
571 (cached-atom-surface widget
573 (cond ((or (zerop count) (null (cell-owner cell)))
576 (cairo:with-context (cr)
577 (cairo:scale cr (/ width hsq) (/ height vsq))
578 (cairo:translate cr (+ i 0.5) (+ j 0.5))
579 (paint-atoms cr count colour)))
581 (cairo:set-source-surface cr surface
582 (round (* i width) hsq)
583 (round (* j height) vsq))
584 (cairo:paint cr)))))))))))
586 (defun board-set-size-request (board)
587 (when (slot-boundp board 'game)
588 (let ((grid (board-grid board)))
589 (gtk:widget-set-size-request board
590 (* 50 (array-dimension grid 1))
591 (* 50 (array-dimension grid 0))))))
593 (defmethod (setf board-game) :before (game (board atoms-board))
594 (when (slot-boundp board 'game)
595 (remove-dependent (board-game board) board)))
597 (defmethod (setf board-game) :after (game (board atoms-board))
598 (board-set-size-request board)
599 (add-dependent game board))
601 (defmethod resized ((board atoms-board) allocation)
602 (setf (board-cache board) nil)
605 (defmethod notify progn
606 ((board atoms-board) (game atom-game) (aspect (eql :cell-update))
608 (unless (slot-boundp board 'gtk:window) (return-from notify))
609 (multiple-value-bind (width height) (gtk:widget-get-size-allocation board)
610 (let* ((region (make-instance 'gdk:region))
611 (grid (board-grid board))
612 (hsq (array-dimension grid 1))
613 (vsq (array-dimension grid 0)))
615 (gdk:region-union region
616 (vector (floor (* (cell-x cell) width) hsq)
617 (floor (* (cell-y cell) height) vsq)
619 (ceiling height vsq))))
620 (gdk:window-invalidate-region (gtk:widget-window board) region nil))))
622 (defmethod notify progn
623 ((board atoms-board) (game atom-game) (aspect (eql :refresh)) &key)
624 (board-set-size-request board)
625 (setf (board-cache board) nil)
626 (gtk:widget-queue-draw board))
628 (defmethod button-press ((widget atoms-board) event)
629 (case (gdk:event-class-type (class-of event))
631 (case (gdk:event-button event)
632 (1 (multiple-value-bind (width height)
633 (gtk:widget-get-size-allocation widget)
634 (let* ((grid (board-grid widget))
635 (x (floor (* (gdk:event-x event) (array-dimension grid 1))
637 (y (floor (* (gdk:event-y event) (array-dimension grid 0))
639 (game-cell-selected (board-game widget) x y)
642 (defmethod initialize-instance :after ((board atoms-board) &key)
643 (gtk:signal-connect board :expose-event #'paint :object t)
644 (setf (gtk:widget-events board) (list :button-press))
645 (gtk:signal-connect board :button-press-event #'button-press :object t)
646 (gtk:signal-connect board :size-allocate #'resized :object t)
647 (when (slot-boundp board 'game) (add-dependent (board-game board) board))
648 (board-set-size-request board))
650 ;;;--------------------------------------------------------------------------
651 ;;; Tree view utilities.
653 (defun add-tree-view-column (view title &rest args)
654 (let ((column (apply #'make-instance
655 'gtk:tree-view-column
658 (gtk:tree-view-append-column view column)
661 (defun add-cell-renderer
663 &key (type 'gtk:cell-renderer-text) pack-args renderer-args)
664 (let ((renderer (apply #'make-instance type renderer-args))
665 (store (gtk:tree-view-model view)))
666 (apply #'gtk:cell-layout-pack column renderer pack-args)
667 (loop for (attribute col-name) on attrs by #'cddr
668 do (gtk:cell-layout-add-attribute
669 column renderer attribute
670 (gtk:tree-model-column-index store col-name)))
673 ;;;--------------------------------------------------------------------------
676 (defvar *player-list*)
677 (defvar *player-list-view*)
679 (defclass player-list (gtk:tree-view)
680 ((store :initform (make-instance
682 :column-names '(colour name score state)
683 :column-types '(gdk:color string integer string))
684 :type gtk:list-store)
685 (game :initarg :game :type atom-game))
686 (:metaclass glib:gobject-class))
688 (defun update-player-list (list game)
689 (let ((store (slot-value list 'store))
690 (players (game-players game)))
691 (gtk:list-store-clear store)
692 (loop for player across players
694 do (gtk:list-store-append store
695 (vector (player-colour player)
697 (player-score player)
698 (case (player-state player)
704 (defmethod initialize-instance :after ((list player-list) &key)
705 (let ((store (slot-value list 'store)))
706 (setf (gtk:tree-view-model list) store)
707 (flet ((add-column (&rest args)
708 (apply #'add-tree-view-column list args))
709 (add-renderer (&rest args)
710 (apply #'add-cell-renderer list args)))
711 (add-renderer (add-column ""
715 '(:cell-background-gdk colour)
716 :renderer-args '(:cell-background-set t))
717 (add-renderer (add-column "Name" :resizable t :expand t) '(:text name))
718 (add-renderer (add-column "Score" :resizable t) '(:text score))
719 (add-renderer (add-column "State" :resizable t) '(:text state)))
720 (setf (gtk:tree-selection-mode (gtk:tree-view-selection list)) :none)
721 (when (slot-boundp list 'game)
722 (with-slots (game) list
723 (add-dependent game list)
724 (update-player-list list game)))))
726 (defmethod notify progn ((list player-list) (game atom-game) aspect &key)
728 ((:cell-update :start-turn :refresh)
729 (update-player-list list game))))
731 ;;;--------------------------------------------------------------------------
732 ;;; New game dialogue.
734 (defparameter *player-colours*
735 (vector "red" "blue" "green" "orange" "magenta" "white" "black"))
737 (defclass new-game-dialogue (gtk:dialog)
738 ((game :initarg :game :type atom-game)
739 (width-adjustment :type gtk:adjustment
740 :initform (make-instance 'gtk:adjustment
743 (height-adjustment :type gtk:adjustment
744 :initform (make-instance 'gtk:adjustment
747 (count-adjustment :type gtk:adjustment
748 :initform (make-instance 'gtk:adjustment
751 (players :type gtk:list-store
752 :initform (make-instance 'gtk:list-store
753 :column-types '(gdk:color string)
754 :column-names '(colour name))))
759 (:metaclass glib:gobject-class))
761 (defun choose-player-colour (window path)
762 (let* ((players (slot-value window 'players))
763 (colour-dialogue (make-instance 'gtk:color-selection-dialog))
764 (coloursel (gtk:color-selection-dialog-colorsel colour-dialogue))
765 (colour (gtk:tree-model-value players path 'colour)))
768 (setf (gtk:color-selection-current-color coloursel) colour
769 (gtk:color-selection-previous-color coloursel) colour)
770 (case (gtk:dialog-run colour-dialogue)
771 (:ok (setf (gtk:tree-model-value players path 'colour)
772 (gtk:color-selection-current-color coloursel)))))
773 (gtk:widget-destroy colour-dialogue))))
775 (defun insert-or-remove-players (window)
776 (let* ((players (slot-value window 'players))
777 (current-count (gtk:tree-model-iter-n-children players))
778 (new-count (floor (gtk:adjustment-value
779 (slot-value window 'count-adjustment)))))
780 (if (> current-count new-count)
781 (let ((iter (make-instance 'gtk:tree-iter)))
782 (gtk:tree-model-get-iter players (vector new-count) iter)
783 (dotimes (i (- current-count new-count))
784 (gtk:list-store-remove players iter)))
785 (loop with iter = (make-instance 'gtk:tree-iter)
786 for i from current-count below new-count
787 for colour = (if (< i (length *player-colours*))
788 (gdk:color-parse (aref *player-colours* i))
789 (make-instance 'gdk:color
793 for name = (format nil "Player ~A" (1+ i))
794 do (gtk:list-store-append players
798 (defun start-new-game (window)
799 (with-slots (game width-adjustment height-adjustment players) window
800 (let ((grid (make-atoms-grid
801 (floor (gtk:adjustment-value width-adjustment))
802 (floor (gtk:adjustment-value height-adjustment))))
803 (new-players (let ((iter (make-instance 'gtk:tree-iter)))
804 (gtk:tree-model-get-iter players #(0) iter)
805 (loop for row = (gtk:tree-model-row-data players
807 collect (make-instance 'human-player
810 while (gtk:tree-model-iter-next players
812 (restart-game game :grid grid :players (coerce new-players 'vector))
813 (gtk:widget-destroy window))))
815 (defmethod initialize-instance :after ((window new-game-dialogue) &key)
816 (with-slots (width-adjustment height-adjustment count-adjustment players)
818 (let* ((game (slot-value window 'game))
819 (grid (game-grid game)))
821 (setf (gtk:container-border-width window) 4)
822 (gtk:dialog-add-button window "gtk-cancel"
823 #'gtk:widget-destroy :object t)
824 (gtk:dialog-add-button window "gtk-ok"
825 (lambda () (start-new-game window))
828 (setf (gtk:adjustment-value width-adjustment)
829 (array-dimension grid 1)
830 (gtk:adjustment-value height-adjustment)
831 (array-dimension grid 0)
832 (gtk:adjustment-value count-adjustment)
833 (length (game-players game)))
835 (let* ((frame (make-instance 'gtk:frame :label "Board size"))
836 (table (make-instance 'gtk:table
839 :n-columns 2 :n-rows 2
840 :row-spacing 4 :column-spacing 4)))
842 for (adj-slot label) on '(width-adjustment "Width"
843 height-adjustment "Height") by #'cddr
844 do (make-instance 'gtk:label
849 :bottom-attach (1+ row)
852 :x-options '(:fill)))
853 do (make-instance 'gtk:spin-button
856 :adjustment (slot-value window adj-slot)
861 :bottom-attach (1+ row)
864 :x-options '(:expand :fill))))
865 (gtk:container-add window frame :fill nil :expand nil)
866 (gtk:widget-show-all frame))
868 (let* ((frame (make-instance 'gtk:frame :label "Players"))
869 (vbox (make-instance 'gtk:v-box
870 :parent frame :spacing 4
872 (view (make-instance 'gtk:tree-view
874 (make-instance 'gtk:h-box
876 :parent (list vbox :expand nil :fill nil)
877 :child (list (make-instance 'gtk:label
878 :label "Number of players"
880 :expand nil :fill nil)
881 :child (list (make-instance 'gtk:spin-button
889 (make-instance 'gtk:scrolled-window
890 :hscrollbar-policy :automatic
891 :vscrollbar-policy :automatic
895 (add-cell-renderer view
896 (add-tree-view-column view ""
899 (list :cell-background-gdk 'colour)
900 :renderer-args '(:cell-background-set t))
901 (let ((renderer (add-cell-renderer view
902 (add-tree-view-column view "Name")
904 :renderer-args '(:editable t))))
905 (gtk:signal-connect renderer :edited
906 (lambda (path new-text)
907 (setf (gtk:tree-model-value
912 (gtk:signal-connect view :row-activated
913 (lambda (path column)
914 (when (eql (position column
915 (gtk:tree-view-columns
918 (choose-player-colour window path))))
919 (loop for player across (game-players game)
920 do (gtk:list-store-append players
921 (vector (player-colour player)
922 (player-name player))))
923 (gtk:signal-connect count-adjustment
925 #'insert-or-remove-players :args (list window))
926 (gtk:container-add window frame :fill t :expand t)
927 (gtk:widget-show-all frame)))))
929 ;;;--------------------------------------------------------------------------
930 ;;; About this program.
932 (defparameter atoms-logo-pixbuf
933 (gdk:pixbuf-load #p"/home/mdw/src/atoms/atoms.png"))
935 (defparameter licence-text
937 "This program is free software; you can redistribute it and/or modify ~
938 it under the terms of the GNU General Public License as published by ~
939 the Free Software Foundation; either version 2 of the License, or ~
940 (at your option) any later version.~2%~
942 This program is distributed in the hope that it will be useful, ~
943 but WITHOUT ANY WARRANTY; without even the implied warranty of ~
944 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ~
945 GNU General Public License for more details.~2%~
947 You should have received a copy of the GNU General Public License ~
948 along with this program; if not, write to the Free Software Foundation, ~
949 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA."))
952 (defun action-about (window)
953 (declare (ignore window))
955 (setf about (make-instance
959 :copyright "Copyright (c) 2007 Mark Wooding"
960 :website "http://www.distorted.org.uk/"
961 :website-label "Homepage"
962 :authors (list "Mark Wooding <mdw@distorted.org.uk>")
963 :comments "May contain trace quantities of Lisp."
964 :license licence-text
966 :logo atoms-logo-pixbuf
967 :signal (list :destroy (lambda () (setf about nil)))
968 :signal (list :cancel (lambda ()
969 (gtk:widget-destroy about))))))
970 (gtk:window-present about)))
972 ;;;--------------------------------------------------------------------------
973 ;;; Application window.
975 (defclass atom-game-window (gtk:window)
976 ((game :type atom-game)
977 (board :type atoms-board)
978 (player-list :type player-list)
979 (actions :type gtk:action-group)
980 (ui :type gtk:ui-manager)
981 (new-game :type (or new-game-dialogue null) :initform nil))
982 (:default-initargs :title "Atoms game" :allow-shrink t :show-children t)
983 (:metaclass glib:gobject-class))
985 (defun action-quit (window)
986 (gtk:widget-destroy window))
988 (defun action-new-game (window)
989 (with-slots (new-game game) window
991 (gtk:window-present new-game)
993 (setf new-game (make-instance 'new-game-dialogue
995 :transient-for window))
996 (gtk:widget-show-all new-game)
997 (gtk:signal-connect new-game :destroy
998 (lambda () (setf new-game nil)))))))
1000 (defun update-undo-redo-sensitivity (window)
1001 (with-slots (actions game) window
1002 (flet ((set-sensitive (act-name sensitivep)
1003 (let ((act (gtk:action-group-get-action actions act-name)))
1004 (setf (gtk:action-sensitive-p act) sensitivep))))
1005 (set-sensitive "undo" (undo-list game))
1006 (set-sensitive "redo" (redo-list game)))))
1008 (defmethod notify progn
1009 ((window atom-game-window) (game atom-game) aspect &key)
1011 ((:undo :redo :refresh :start-turn)
1012 (update-undo-redo-sensitivity window))))
1014 (defun action-undo (window)
1015 (undo (slot-value window 'game)))
1017 (defun action-redo (window)
1018 (redo (slot-value window 'game)))
1020 (defmethod destroyed ((window atom-game-window))
1021 (with-slots (new-game) window
1022 (when new-game (gtk:widget-destroy new-game))))
1024 (defun build-player-vector (player-spec)
1025 (flet ((make-player (spec i)
1031 (if (listp spec) spec (list spec))
1033 ((< i (length *player-colours*))
1034 (setf colour (aref *player-colours* i)))
1036 (make-instance 'gdk:color
1039 :blue (random 1.0)))))
1040 (make-instance 'human-player
1042 :colour (gdk:ensure-color colour)))))))
1046 (make-player spec (prog1 i (incf i))))
1047 (etypecase player-spec
1048 (sequence player-spec)
1050 (loop for i from 1 upto (or player-spec 4)
1051 collect (format nil "Player ~A" i))))))))
1053 (defmethod shared-initialize :after
1054 ((window atom-game-window) slot-names
1056 (width 7) (height width) players)
1057 (declare (ignore slot-names))
1058 (let* ((vbox (make-instance 'gtk:v-box :parent window))
1059 (paned (make-instance 'gtk:h-paned
1060 :parent (list vbox :pack-type :end)))
1061 (aspect (make-instance 'gtk:aspect-frame
1062 :parent (list paned :resize t :shrink t)
1065 :shadow-type :none))
1066 (scrolled (make-instance 'gtk:scrolled-window
1067 :parent (list paned :resize nil :shrink t)
1069 :hscrollbar-policy :automatic
1070 :vscrollbar-policy :automatic))
1071 (action-list (mapcar (lambda (item)
1073 (name callback &rest args) item
1074 (apply #'make-instance 'gtk:action
1079 :args (list window)))
1081 `(("file" nil :label "_File")
1082 ("edit" nil :label "_Edit")
1083 ("help" nil :label "_Help")
1084 ("quit" ,#'action-quit
1085 :stock-id "gtk-close"
1086 :tooltip "Close this window."
1087 :accelerator "<control>W")
1088 ("undo" ,#'action-undo
1089 :stock-id "gtk-undo"
1090 :tooltip "Take back the most recent move."
1092 :accelerator "<Control>Z")
1093 ("redo" ,#'action-redo
1094 :stock-id "gtk-redo"
1096 :tooltip "Revert an undone move."
1097 :accelerator "<Shift><Control>Z")
1098 ("about" ,#'action-about
1099 :tooltip "Show information about this game."
1100 :stock-id "gtk-about")
1101 ("new-game" ,#'action-new-game
1102 :label "_New game..."
1104 :tooltip "Start a new game."
1105 :accelerator "<control>N")))))
1107 (with-slots (game board player-list ui actions) window
1108 (setf actions (make-instance 'gtk:action-group
1110 :actions action-list)
1111 ui (make-instance 'gtk:ui-manager
1113 :action-group actions
1114 :ui '((:menubar "menu-bar"
1116 (:menuitem "new-game")
1122 (:menuitem "about")))
1124 (:toolitem "new-game")
1127 (:toolitem "redo")))))
1128 (gtk:window-add-accel-group window (gtk:ui-manager-accel-group ui))
1129 (setf (gtk:toolbar-show-arrow-p
1130 (gtk:ui-manager-get-widget ui "/toolbar")) nil)
1131 (dolist (name '("/menu-bar" "/toolbar"))
1132 (make-instance 'gtk:handle-box
1133 :child (gtk:ui-manager-get-widget ui name)
1134 :parent (list vbox :expand nil)))
1135 (gtk:signal-connect window :destroy #'destroyed :object t)
1136 (setf game (make-instance 'atom-game
1137 :grid (make-atoms-grid width height)
1138 :players (build-player-vector players))
1139 board (make-instance 'atoms-board :game game :parent aspect)
1140 player-list (make-instance 'player-list
1145 (add-dependent game window))))
1147 ;;;--------------------------------------------------------------------------
1150 (defvar *window* nil)
1152 (export 'start-atom-game)
1153 (defun start-atom-game (&rest initargs)
1155 (gtk:widget-destroy *window*)
1156 (setf *window* nil))
1157 (setf *window* (apply #'make-instance 'atom-game-window initargs))
1158 (gtk:widget-show-all *window*))
1161 (start-atom-game :width 7
1162 :players '("Alice" "Bob"))
1164 ;;;----- That's all, folks --------------------------------------------------