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Resized the graphics slightly. The walls are thinner, the padding is smaller, and
[grrobot] / src / grrobot.c
1 /* grrobot - Ricochet Robot using GTK+ and Xr
2  *
3  * Copyright © 2003 Carl Worth
4  *
5  * Permission to use, copy, modify, distribute, and sell this software
6  * and its documentation for any purpose is hereby granted without
7  * fee, provided that the above copyright notice appear in all copies
8  * and that both that copyright notice and this permission notice
9  * appear in supporting documentation, and that the name of Carl Worth
10  * not be used in advertising or publicity pertaining to distribution
11  * of the software without specific, written prior permission.
12  * Carl Worth makes no representations about the suitability of this
13  * software for any purpose.  It is provided "as is" without express
14  * or implied warranty.
15  * 
16  * CARL WORTH DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
17  * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
18  * NO EVENT SHALL CARL WORTH BE LIABLE FOR ANY SPECIAL, INDIRECT OR
19  * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
20  * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
21  * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
22  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
23  *
24  * Author: Carl Worth <carl@theworths.org>
25  */
26
27 #ifdef HAVE_CONFIG_H
28 #include "config.h"
29 #endif
30
31 #include <stdio.h>
32 #include <stdlib.h>
33 #include <string.h>
34
35 #include <gtk/gtk.h>
36
37 #include "grr_board_view.h"
38 #include "grr_util.h"
39 #include "args.h"
40
41 typedef struct grr_game {
42     rr_client_t *client;
43     rr_board_t *board;
44
45     GtkWidget *window;
46     GtkWidget *board_view;
47     GtkWidget *command_entry;
48
49     GtkTextBuffer *message_buffer;
50     GtkWidget *message_view;
51     int msg_id;
52     int last_move_msg_id;
53     rr_robot_t last_move_robot;    
54 } grr_game_t;
55
56 static int
57 grr_game_printf (grr_game_t *game, const char *fmt, ...);
58
59 static int
60 grr_game_vprintf (grr_game_t *game, const char *fmt, va_list ap);
61
62 static int
63 grr_game_print (grr_game_t *game, const char *msg);
64
65 static int
66 grr_game_start_gui (grr_game_t *game);
67
68 static void
69 grr_game_read_notices (grr_game_t *game);
70
71 static GSource *
72 grr_game_notices_source_new (grr_game_t *game);
73
74 int 
75 main (int argc, char **argv)
76 {
77     args_t args;
78     rr_status_t status;
79     grr_game_t game;
80     GSource *source;
81
82     char *diagram;
83
84     gtk_init (&argc, &argv);
85     
86     args_parse (&args, argc, argv);
87
88     game.client = rr_client_create (args.host, args.port, args.user);
89     if (game.client == NULL) {
90         fprintf (stderr, "Failed connecting to %s:%s as %s\n",
91                  args.host, args.port, args.user);
92         return 1;
93     }
94
95     status = rr_client_join (game.client, args.game);
96     if (status == RR_STATUS_NO_GAME) {
97         status = rr_client_new (game.client, args.game);
98     }
99
100     game.board = rr_board_create (16, 16);
101     game.msg_id = 0;
102     game.last_move_msg_id = 0;
103     game.last_move_robot = RR_ROBOT_NONE;
104
105     source = grr_game_notices_source_new (&game);
106     g_source_set_priority (source, GDK_PRIORITY_EVENTS);
107     g_source_attach (source, NULL);
108     g_source_unref (source);
109
110     rr_client_show (game.client, &diagram);
111     rr_board_parse (game.board, diagram);
112     free (diagram);
113
114     return grr_game_start_gui (&game);
115 }
116
117 typedef struct _GrrNoticeSource {
118     GSource source;
119     grr_game_t *game;
120 } GrrNoticeSource;
121
122 static gboolean
123 grr_game_notices_prepare (GSource   *source,
124                           gint      *timeout)
125 {
126     GrrNoticeSource *src = (GrrNoticeSource*)source;
127     grr_game_t *game = src->game;
128     gboolean retval;
129
130     GDK_THREADS_ENTER ();
131     *timeout = -1;
132     retval = rr_client_notice_pending (game->client);
133     GDK_THREADS_LEAVE ();
134
135     return retval;
136 }
137
138 static gboolean
139 grr_game_notices_check (GSource     *source)
140 {
141     GrrNoticeSource *src = (GrrNoticeSource*)source;
142     grr_game_t *game = src->game;
143     gboolean retval;
144
145     GDK_THREADS_ENTER ();
146     retval = rr_client_notice_pending (game->client);
147     GDK_THREADS_LEAVE ();
148
149     return retval;
150 }
151
152 static gboolean
153 grr_game_notices_dispatch (GSource      *source,
154                            GSourceFunc  callback,
155                            gpointer     user_data)
156 {
157     GrrNoticeSource *src = (GrrNoticeSource*)source;
158     grr_game_t *game = src->game;
159     
160     grr_game_read_notices (game);
161
162     return TRUE;
163 }
164
165 static GSourceFuncs game_notices_funcs = {
166   grr_game_notices_prepare,
167   grr_game_notices_check,
168   grr_game_notices_dispatch,
169   NULL
170 };
171
172 static GSource *
173 grr_game_notices_source_new (grr_game_t *game)
174 {
175     GSource *source = g_source_new (&game_notices_funcs, sizeof (GrrNoticeSource));
176     GrrNoticeSource *src = (GrrNoticeSource*)source;
177     src->game = game;
178     return source;
179 }
180
181 static void
182 grr_game_read_notices (grr_game_t *game)
183 {
184     rr_board_t *board = game->board;
185     rr_status_t status;
186     rr_notice_t *notice;
187
188     while (rr_client_notice_pending (game->client)) {
189         status = rr_client_next_notice (game->client, &notice);
190         if (status) {
191             if (status == RR_STATUS_EOF)
192                 fprintf (stderr, "The server has disconnected, exiting.\n");
193             else
194                 fprintf (stderr, "Error during rr_client_next_notice: %s\n",
195                          rr_status_str (status));
196             gtk_exit (1);
197         }
198         if (!notice) {
199             fprintf (stderr, "Missing notice\n");
200             continue;
201         }
202
203         switch (notice->type) {
204         case RR_NOTICE_USER:
205             grr_game_printf (game,
206                              "\nGLOBAL: %s has connected.", notice->u.string);
207             break;
208         case RR_NOTICE_QUIT:
209             grr_game_printf (game,
210                              "\nGLOBAL: %s has disconnected.", notice->u.string);
211             break;
212         case RR_NOTICE_GAME:
213             grr_game_printf (game,
214                              "\nGLOBAL: New game available: %s.", notice->u.string);
215             break;
216         case RR_NOTICE_DISPOSE:
217             grr_game_printf (game,
218                              "\nGLOBAL: Game %s has been disposed.", notice->u.string);
219             break;
220         case RR_NOTICE_MESSAGE:
221             grr_game_printf (game, "\n%s> %s",
222                              notice->u.message.username,
223                              notice->u.message.text);
224             break;
225         case RR_NOTICE_GAMESTATE:
226             grr_game_printf (game, "\nGame state changed to: %s.",
227                              rr_gamestate_str (notice->u.gamestate));
228             break;
229         case RR_NOTICE_TURN:
230             grr_game_print (game, "\nNew round!");
231             rr_board_set_goal_target (board, notice->u.target);
232             gtk_widget_queue_draw (GTK_WIDGET (game->window));
233             break;
234         case RR_NOTICE_GAMEOVER:
235         {
236             char *diagram;
237             grr_game_printf (game, "\nGame over. New game will begin now.");
238             /* XXX: Can drop this when the BOARD NOTICE is added in the server */
239             rr_client_show (game->client, &diagram);
240             rr_board_parse (board, diagram);
241             free (diagram);
242             gtk_widget_queue_draw (GTK_WIDGET (game->window));
243         }
244         break;
245         case RR_NOTICE_JOIN:
246             grr_game_printf (game, "\nUser %s has joined the game.",
247                              notice->u.string);
248             break;
249         case RR_NOTICE_WATCH:
250             grr_game_printf (game, "\nUser %s has started watching the game.",
251                              notice->u.string);
252             break;
253         case RR_NOTICE_PART:
254             grr_game_printf (game, "\nUser %s has left the game.",
255                              notice->u.string);
256             break;
257         case RR_NOTICE_BID:
258             grr_game_printf (game, "\nUser %s bids %d.",
259                              notice->u.bid.username,
260                              notice->u.bid.number);
261             break;
262         case RR_NOTICE_REVOKE:
263             grr_game_printf (game, "\nUser %s revokes previous bid.",
264                              notice->u.string);
265             break;
266         case RR_NOTICE_ABANDON:
267             grr_game_printf (game, "\nUser %s is willing to abandon this turn.",
268                              notice->u.string);
269             break;
270         case RR_NOTICE_NOBID:
271             grr_game_printf (game, "\nUser %s sees no point in bidding further this round",
272                              notice->u.string);
273             break;
274         case RR_NOTICE_MOVE:
275             if (game->msg_id == game->last_move_msg_id
276                 && game->last_move_robot == notice->u.move.robot) {
277                 game->last_move_msg_id = grr_game_printf (game, " %s",
278                                  rr_direction_str (notice->u.move.direction));
279             } else {
280                 game->last_move_msg_id = grr_game_printf (game, "\nMove #%d: %s %s",
281                                  notice->u.move.count,
282                                  rr_robot_str (notice->u.move.robot),
283                                  rr_direction_str (notice->u.move.direction));
284                 game->last_move_robot = notice->u.move.robot;
285             }
286             break;
287         case RR_NOTICE_UNDO:
288             grr_game_print (game, "\nUNDO");
289             break;
290         case RR_NOTICE_RESET:
291             grr_game_print (game, "\nRESET");
292             break;
293         case RR_NOTICE_SCORE:
294             grr_game_printf (game, "\nScore for %s: %d.",
295                              notice->u.bid.username,
296                              notice->u.bid.number);
297             break;
298         case RR_NOTICE_ACTIVATE:
299             grr_game_printf (game, "\nYour turn.",
300                              notice->u.number);
301             break;
302         case RR_NOTICE_ACTIVE:
303             grr_game_printf (game, "\nUser %s now active to demonstrate solution in %d moves.",
304                                notice->u.bid.username,
305                              notice->u.bid.number);
306             break;
307         case RR_NOTICE_TIMER:
308             grr_game_printf (game, "\nTime remaining: %d seconds.",
309                              notice->u.number);
310             break;
311         case RR_NOTICE_POSITION:
312             rr_board_position_robot (board, notice->u.position.robot,
313                                      notice->u.position.x, notice->u.position.y);
314             gtk_widget_queue_draw (GTK_WIDGET (game->window));
315             break;
316         }
317         free (notice);
318     }
319 }
320
321 static void
322 grr_game_entry_callback (GtkWidget *widget,
323                          grr_game_t *game)
324 {
325     rr_status_t status;
326     const gchar *entry_text;
327     char **response;
328     int i;
329
330     entry_text = gtk_entry_get_text (GTK_ENTRY (game->command_entry));
331
332     status = rr_client_request (game->client, entry_text, &response);
333     if (status) {
334         grr_game_printf (game, "\nERROR: %s.", rr_status_str (status));
335     } else {
336         if (response[0]) {
337             grr_game_print (game, "\n");
338             for (i=0; response[i]; i++)
339                 grr_game_printf (game, "%s ", response[i]);
340         }
341     }
342
343     gtk_entry_set_text (GTK_ENTRY (game->command_entry), "");
344
345 /* XXX: Huh? Why is this triggering valgrind?
346     free (response);
347 */
348
349 }
350
351 static int
352 grr_game_printf (grr_game_t *game, const char *fmt, ...)
353 {
354     int msg_id;
355
356     va_list ap;
357
358     va_start (ap, fmt);
359     msg_id = grr_game_vprintf (game, fmt, ap);
360     va_end (ap);
361
362     return msg_id;
363 }
364
365 static int
366 grr_game_vprintf (grr_game_t *game, const char *fmt, va_list ap)
367 {
368     char *msg;
369     int msg_id;
370
371     grr_sprintf_alloc_va (&msg, fmt, ap);
372     if (msg == NULL)
373         return 0;
374
375     msg_id = grr_game_print (game, msg);
376
377     free (msg);
378
379     return msg_id;
380 }
381
382 static int
383 grr_game_print (grr_game_t *game, const char *msg)
384 {
385     GtkTextIter iter;
386     GtkTextMark *mark;
387
388     /* There might be a lighter way to do this, but this seems to
389        work. */
390
391     gtk_text_buffer_get_end_iter (game->message_buffer, &iter);
392
393     mark = gtk_text_buffer_get_mark (game->message_buffer, "end");
394
395     gtk_text_buffer_move_mark (game->message_buffer, mark, &iter);
396
397     gtk_text_buffer_insert (game->message_buffer, &iter, msg, -1);
398
399     gtk_text_view_scroll_to_mark (GTK_TEXT_VIEW (game->message_view),
400                                   mark, 0.0, TRUE, 0.0, 1.0);
401
402     return ++game->msg_id;
403 }
404
405 static int
406 grr_game_start_gui (grr_game_t *game)
407 {
408     GtkWidget *board_frame;
409     GtkWidget *vpaned;
410     GtkWidget *sw;
411     GtkWidget *vbox;
412     GtkWidget *window;
413     GtkWidget *message_view;
414     GtkWidget *command_entry;
415
416     game->window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
417     window = game->window;
418
419     gtk_window_set_title (GTK_WINDOW (window), "Ricochet Robot");
420     gtk_window_set_default_size (GTK_WINDOW (window), 512, 512);
421     
422     g_signal_connect (G_OBJECT (window), "destroy",
423                       G_CALLBACK (exit), NULL);
424     gtk_container_set_border_width (GTK_CONTAINER (window), 0);
425
426     vbox = gtk_vbox_new (FALSE, 1);
427     gtk_container_add (GTK_CONTAINER (window), vbox);
428     {
429         GtkTextIter iter;
430         game->board_view = grr_board_view_new (game->board);
431         grr_board_view_set_client (GRR_BOARD_VIEW (game->board_view), game->client);
432         game->message_buffer = gtk_text_buffer_new (NULL);
433         gtk_text_buffer_get_iter_at_offset (game->message_buffer,
434                                             &iter, -1);
435         gtk_text_buffer_create_mark (game->message_buffer,
436                                      "end", &iter, FALSE);
437         game->message_view = gtk_text_view_new_with_buffer (game->message_buffer);
438         game->command_entry = gtk_entry_new ();
439
440         vpaned = gtk_vpaned_new ();
441         gtk_container_set_border_width (GTK_CONTAINER (vpaned), 0);
442         gtk_box_pack_start (GTK_BOX (vbox), vpaned,
443                             TRUE, TRUE, 0);
444         {
445             board_frame = gtk_aspect_frame_new (NULL, 0.5, 0.5, 1.0, FALSE);
446             gtk_paned_pack1 (GTK_PANED (vpaned), board_frame, TRUE, TRUE);
447             {
448                 gtk_container_add (GTK_CONTAINER (board_frame), game->board_view);
449                 gtk_widget_show (game->board_view);
450             }
451             gtk_widget_show (board_frame);
452
453             sw = gtk_scrolled_window_new (NULL, NULL);
454             gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
455                                             GTK_POLICY_NEVER,
456                                             GTK_POLICY_AUTOMATIC);
457             gtk_paned_pack2 (GTK_PANED (vpaned), sw, FALSE, TRUE);
458             {
459                 message_view = game->message_view;
460                 gtk_text_view_set_editable (GTK_TEXT_VIEW (message_view), FALSE);
461                 gtk_text_view_set_cursor_visible (GTK_TEXT_VIEW (message_view), FALSE);
462                 gtk_container_add (GTK_CONTAINER (sw), message_view);
463                 gtk_widget_show (message_view);
464             }
465             gtk_widget_show (sw);
466         }
467         gtk_widget_show (vpaned);
468
469         command_entry = game->command_entry;
470         gtk_box_pack_end (GTK_BOX (vbox), command_entry,
471                           FALSE, FALSE, 0);
472         gtk_widget_show (command_entry);
473         g_signal_connect (G_OBJECT (command_entry), "activate",
474                           G_CALLBACK (grr_game_entry_callback),
475                           (gpointer) game);
476     }
477     gtk_widget_show (vbox);
478
479     gtk_widget_show (window);
480     
481     gtk_main ();
482     
483     return 0;
484 }