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Diffstat (limited to 'apps/plugins/reversi/reversi-gui.c')
-rw-r--r-- | apps/plugins/reversi/reversi-gui.c | 669 |
1 files changed, 669 insertions, 0 deletions
diff --git a/apps/plugins/reversi/reversi-gui.c b/apps/plugins/reversi/reversi-gui.c new file mode 100644 index 0000000000..e543563729 --- /dev/null +++ b/apps/plugins/reversi/reversi-gui.c | |||
@@ -0,0 +1,669 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id$ | ||
9 | * | ||
10 | * Copyright (c) 2006 Alexander Levin | ||
11 | * | ||
12 | * All files in this archive are subject to the GNU General Public License. | ||
13 | * See the file COPYING in the source tree root for full license agreement. | ||
14 | * | ||
15 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY | ||
16 | * KIND, either express or implied. | ||
17 | * | ||
18 | ****************************************************************************/ | ||
19 | |||
20 | /* | ||
21 | GUI part of reversi. Code is inspired by sudoku code by Dave Chapman | ||
22 | which is copyright (c) 2005 Dave Chapman and is released under the | ||
23 | GNU General Public License. | ||
24 | |||
25 | |||
26 | User instructions | ||
27 | ----------------- | ||
28 | |||
29 | Use the arrow keys to move cursor, and press TOGGLE to place a stone. | ||
30 | |||
31 | At any time during the game, press MENU to bring up the game menu with | ||
32 | further options: | ||
33 | |||
34 | - Save | ||
35 | - Reload | ||
36 | - Clear | ||
37 | |||
38 | */ | ||
39 | |||
40 | #include "plugin.h" | ||
41 | |||
42 | #ifdef HAVE_LCD_BITMAP | ||
43 | |||
44 | #include "reversi-game.h" | ||
45 | #include "reversi-strategy.h" | ||
46 | #include "reversi-gui.h" | ||
47 | |||
48 | #include "../lib/oldmenuapi.h" | ||
49 | |||
50 | PLUGIN_HEADER | ||
51 | |||
52 | /* The global api struct pointer. While not strictly necessary, | ||
53 | it's nice not to have to pass the api pointer in all function | ||
54 | calls in the plugin */ | ||
55 | static struct plugin_api* rb; | ||
56 | |||
57 | /* Thickness of the grid lines */ | ||
58 | #define LINE_THCK 1 | ||
59 | |||
60 | #if LCD_HEIGHT <= LCD_WIDTH /* Horizontal layout */ | ||
61 | |||
62 | #if (LCD_HEIGHT==64) && (LCD_WIDTH==112) | ||
63 | /* Archos Recorders and Ondios - 112x64, 8 cells @ 8x6 with 9 border lines */ | ||
64 | |||
65 | /* Internal dimensions of a cell */ | ||
66 | #define CELL_WIDTH 8 | ||
67 | #define CELL_HEIGHT 6 | ||
68 | #define SMALL_BOARD | ||
69 | |||
70 | #elif (LCD_HEIGHT==110) && (LCD_WIDTH==138) | ||
71 | /* iPod Mini - 138x110, 8 cells @ 10x10 with 9 border lines */ | ||
72 | |||
73 | /* Internal dimensions of a cell */ | ||
74 | #define CELL_WIDTH 10 | ||
75 | #define CELL_HEIGHT 10 | ||
76 | |||
77 | #elif (LCD_HEIGHT==128) && (LCD_WIDTH==128) | ||
78 | /* iriver H10 5-6GB - 128x128, 8 cells @ 10x10 with 9 border lines */ | ||
79 | |||
80 | /* Internal dimensions of a cell */ | ||
81 | #define CELL_WIDTH 10 | ||
82 | #define CELL_HEIGHT 10 | ||
83 | |||
84 | #elif ((LCD_HEIGHT==128) && (LCD_WIDTH==160)) || \ | ||
85 | ((LCD_HEIGHT==132) && (LCD_WIDTH==176)) | ||
86 | /* iAudio X5, Iriver H1x0, iPod G3, G4 - 160x128; */ | ||
87 | /* iPod Nano - 176x132, 8 cells @ 12x12 with 9 border lines */ | ||
88 | |||
89 | /* Internal dimensions of a cell */ | ||
90 | #define CELL_WIDTH 12 | ||
91 | #define CELL_HEIGHT 12 | ||
92 | |||
93 | #elif ((LCD_HEIGHT==176) && (LCD_WIDTH==220)) || \ | ||
94 | ((LCD_HEIGHT==220) && (LCD_WIDTH==176)) | ||
95 | /* Iriver h300, iPod Color/Photo - 220x176, 8 cells @ 16x16 with 9 border lines */ | ||
96 | |||
97 | /* Internal dimensions of a cell */ | ||
98 | #define CELL_WIDTH 16 | ||
99 | #define CELL_HEIGHT 16 | ||
100 | |||
101 | #elif (LCD_HEIGHT>=240) && (LCD_WIDTH>=320) | ||
102 | /* iPod Video - 320x240, 8 cells @ 24x24 with 9 border lines */ | ||
103 | |||
104 | /* Internal dimensions of a cell */ | ||
105 | #define CELL_WIDTH 24 | ||
106 | #define CELL_HEIGHT 24 | ||
107 | |||
108 | #else | ||
109 | #error REVERSI: Unsupported LCD size | ||
110 | #endif | ||
111 | |||
112 | #else /* Vertical layout */ | ||
113 | #define VERTICAL_LAYOUT | ||
114 | |||
115 | #if (LCD_HEIGHT>=320) && (LCD_WIDTH>=240) | ||
116 | /* Gigabeat - 240x320, 8 cells @ 24x24 with 9 border lines */ | ||
117 | |||
118 | /* Internal dimensions of a cell */ | ||
119 | #define CELL_WIDTH 24 | ||
120 | #define CELL_HEIGHT 24 | ||
121 | |||
122 | #elif (LCD_HEIGHT>=220) && (LCD_WIDTH>=176) | ||
123 | /* e200 - 176x220, 8 cells @ 12x12 with 9 border lines */ | ||
124 | |||
125 | /* Internal dimensions of a cell */ | ||
126 | #define CELL_WIDTH 18 | ||
127 | #define CELL_HEIGHT 18 | ||
128 | |||
129 | #else | ||
130 | #error REVERSI: Unsupported LCD size | ||
131 | #endif | ||
132 | |||
133 | #endif /* Layout */ | ||
134 | |||
135 | |||
136 | /* Where the board begins */ | ||
137 | #define XOFS 4 | ||
138 | #define YOFS 4 | ||
139 | |||
140 | /* Total width and height of the board without enclosing box */ | ||
141 | #define BOARD_WIDTH (CELL_WIDTH*BOARD_SIZE + LINE_THCK*(BOARD_SIZE+1)) | ||
142 | #define BOARD_HEIGHT (CELL_HEIGHT*BOARD_SIZE + LINE_THCK*(BOARD_SIZE+1)) | ||
143 | |||
144 | /* Thickness of the white cells' lines */ | ||
145 | #if (CELL_WIDTH >= 15) && (CELL_HEIGHT >= 15) | ||
146 | #define CELL_LINE_THICKNESS 2 | ||
147 | #else | ||
148 | #define CELL_LINE_THICKNESS 1 | ||
149 | #endif | ||
150 | |||
151 | /* Margins within a cell */ | ||
152 | #if (CELL_WIDTH >= 10) && (CELL_HEIGHT >= 10) | ||
153 | #define STONE_MARGIN 2 | ||
154 | #else | ||
155 | #define STONE_MARGIN 1 | ||
156 | #endif | ||
157 | |||
158 | #define CURSOR_MARGIN (STONE_MARGIN + CELL_LINE_THICKNESS) | ||
159 | |||
160 | /* Upper left corner of a cell */ | ||
161 | #define CELL_X(c) (XOFS + (c)*CELL_WIDTH + ((c)+1)*LINE_THCK) | ||
162 | #define CELL_Y(r) (YOFS + (r)*CELL_HEIGHT + ((r)+1)*LINE_THCK) | ||
163 | |||
164 | |||
165 | #ifdef VERTICAL_LAYOUT | ||
166 | #define LEGEND_X(lc) (CELL_X(lc)) | ||
167 | #define LEGEND_Y(lr) (CELL_Y(BOARD_SIZE+(lr)) + CELL_HEIGHT/2) | ||
168 | #else | ||
169 | #define LEGEND_X(lc) (CELL_X(BOARD_SIZE+(lc)) + CELL_WIDTH/2) | ||
170 | #define LEGEND_Y(lr) (CELL_Y(lr)) | ||
171 | #endif | ||
172 | |||
173 | |||
174 | /* Board state */ | ||
175 | static reversi_board_t game; | ||
176 | |||
177 | /* --- Setting values --- */ | ||
178 | |||
179 | /* Playing strategies used by white and black players */ | ||
180 | const game_strategy_t *white_strategy; | ||
181 | const game_strategy_t *black_strategy; | ||
182 | |||
183 | /* Cursor position */ | ||
184 | static int cur_row, cur_col; | ||
185 | |||
186 | /* Color for the next move (BLACK/WHITE) */ | ||
187 | static int cur_player; | ||
188 | |||
189 | /* Active cursor wrapping mode */ | ||
190 | static cursor_wrap_mode_t cursor_wrap_mode; | ||
191 | |||
192 | static bool quit_plugin; | ||
193 | |||
194 | |||
195 | /* Initialises the state of the game (starts a new game) */ | ||
196 | static void reversi_gui_init(void) { | ||
197 | reversi_init_game(&game); | ||
198 | white_strategy = &strategy_human; | ||
199 | black_strategy = &strategy_human; | ||
200 | cur_player = BLACK; | ||
201 | |||
202 | /* Place the cursor so that WHITE can make a move */ | ||
203 | cur_row = 2; | ||
204 | cur_col = 3; | ||
205 | } | ||
206 | |||
207 | |||
208 | /* Draws the cursor in the specified cell. Cursor is drawn in the complement | ||
209 | * mode, i.e. drawing it twice will result in no changes on the screen. | ||
210 | */ | ||
211 | static void reversi_gui_display_cursor(int row, int col) { | ||
212 | int old_mode, x, y; | ||
213 | old_mode = rb->lcd_get_drawmode(); | ||
214 | x = CELL_X(col); | ||
215 | y = CELL_Y(row); | ||
216 | |||
217 | rb->lcd_set_drawmode(DRMODE_COMPLEMENT); | ||
218 | rb->lcd_drawline(x+CURSOR_MARGIN, y+CURSOR_MARGIN, | ||
219 | x+CELL_WIDTH-CURSOR_MARGIN-1, y+CELL_HEIGHT-CURSOR_MARGIN-1); | ||
220 | rb->lcd_drawline(x+CURSOR_MARGIN, y+CELL_HEIGHT-CURSOR_MARGIN-1, | ||
221 | x+CELL_WIDTH-CURSOR_MARGIN-1, y+CURSOR_MARGIN); | ||
222 | |||
223 | /* Draw the shadows */ | ||
224 | rb->lcd_hline(x, x+CELL_WIDTH-1, YOFS-3); | ||
225 | rb->lcd_hline(x, x+CELL_WIDTH-1, YOFS+BOARD_HEIGHT+2); | ||
226 | rb->lcd_vline(XOFS-3, y, y+CELL_HEIGHT-1); | ||
227 | rb->lcd_vline(XOFS+BOARD_WIDTH+2, y, y+CELL_HEIGHT-1); | ||
228 | |||
229 | rb->lcd_set_drawmode(old_mode); | ||
230 | rb->lcd_update(); | ||
231 | } | ||
232 | |||
233 | |||
234 | /* Draws the cell of the specified color (WHITE/BLACK) assuming that | ||
235 | * the upper left corner of the cell is at (x, y) */ | ||
236 | static void reversi_gui_draw_cell(int x, int y, int color) { | ||
237 | int i; | ||
238 | if (color == WHITE) { | ||
239 | for (i = 0; i < CELL_LINE_THICKNESS; i++) { | ||
240 | rb->lcd_drawrect(x+STONE_MARGIN+i, y+STONE_MARGIN+i, | ||
241 | CELL_WIDTH-2*(STONE_MARGIN+i), CELL_HEIGHT-2*(STONE_MARGIN+i)); | ||
242 | } | ||
243 | } else if (color == BLACK) { | ||
244 | rb->lcd_fillrect(x+STONE_MARGIN, y+STONE_MARGIN, | ||
245 | CELL_WIDTH-2*STONE_MARGIN, CELL_HEIGHT-2*STONE_MARGIN); | ||
246 | } else { | ||
247 | /* Cell is free -> nothing to do */ | ||
248 | } | ||
249 | } | ||
250 | |||
251 | |||
252 | /* Draws the complete screen */ | ||
253 | static void reversi_gui_display_board(void) { | ||
254 | int x, y, r, c, x_width, x_height; | ||
255 | char buf[8]; | ||
256 | |||
257 | /* Clear the display buffer */ | ||
258 | rb->lcd_clear_display(); | ||
259 | rb->lcd_set_drawmode(DRMODE_FG); | ||
260 | |||
261 | /* Thicker board box */ | ||
262 | rb->lcd_drawrect(XOFS-1, YOFS-1, BOARD_WIDTH+2, BOARD_HEIGHT+2); | ||
263 | |||
264 | /* Draw the gridlines */ | ||
265 | for (r=0, x=XOFS, y=YOFS; r<=BOARD_SIZE; | ||
266 | r++, x+=CELL_WIDTH+LINE_THCK, y+=CELL_HEIGHT+LINE_THCK) { | ||
267 | rb->lcd_hline(XOFS, XOFS+BOARD_WIDTH-1, y); | ||
268 | rb->lcd_vline(x, YOFS, YOFS+BOARD_HEIGHT-1); | ||
269 | } | ||
270 | |||
271 | /* Draw the stones. This is not the most efficient way but more readable */ | ||
272 | for (r=0; r<BOARD_SIZE; r++) { | ||
273 | y = CELL_Y(r); | ||
274 | for (c=0; c<BOARD_SIZE; c++) { | ||
275 | x = CELL_X(c); | ||
276 | reversi_gui_draw_cell(x, y, game.board[r][c]); | ||
277 | } | ||
278 | } | ||
279 | |||
280 | /* Draw the cursor */ | ||
281 | reversi_gui_display_cursor(cur_row, cur_col); | ||
282 | |||
283 | /* Draw the current score */ | ||
284 | reversi_count_occupied_cells(&game, &r, &c); | ||
285 | rb->lcd_getstringsize("x", &x_width, &x_height); | ||
286 | |||
287 | x = LEGEND_X(0); | ||
288 | y = LEGEND_Y(0); | ||
289 | reversi_gui_draw_cell(x, y, BLACK); | ||
290 | rb->snprintf(buf, sizeof(buf), "%d", c); | ||
291 | y += (CELL_HEIGHT-x_height) / 2; | ||
292 | rb->lcd_putsxy(x + CELL_WIDTH + CELL_WIDTH/2, y, buf); | ||
293 | |||
294 | y = LEGEND_Y(1); | ||
295 | reversi_gui_draw_cell(x, y, WHITE); | ||
296 | rb->snprintf(buf, sizeof(buf), "%d", r); | ||
297 | y += (CELL_HEIGHT-x_height) / 2; | ||
298 | rb->lcd_putsxy(x + CELL_WIDTH + CELL_WIDTH/2, y, buf); | ||
299 | |||
300 | /* Draw the box around the current player */ | ||
301 | r = (cur_player == BLACK ? 0 : 1); | ||
302 | y = LEGEND_Y(r); | ||
303 | rb->lcd_drawrect(x-1, y-1, CELL_WIDTH+2, CELL_HEIGHT+2); | ||
304 | |||
305 | /* Update the screen */ | ||
306 | rb->lcd_update(); | ||
307 | } | ||
308 | |||
309 | |||
310 | /* | ||
311 | * Menu related stuff | ||
312 | */ | ||
313 | |||
314 | /* Menu entries and the corresponding values for cursor wrap mode */ | ||
315 | #define MENU_TEXT_WRAP_MODE "Cursor wrap mode" | ||
316 | static const struct opt_items cursor_wrap_mode_settings[] = { | ||
317 | { "Flat board", NULL }, | ||
318 | { "Sphere", NULL }, | ||
319 | { "Torus", NULL }, | ||
320 | }; | ||
321 | static const cursor_wrap_mode_t cursor_wrap_mode_values[3] = { | ||
322 | WRAP_FLAT, WRAP_SPHERE, WRAP_TORUS }; | ||
323 | |||
324 | |||
325 | /* Menu entries and the corresponding values for available strategies */ | ||
326 | #define MENU_TEXT_STRAT_WHITE "Strategy for white" | ||
327 | #define MENU_TEXT_STRAT_BLACK "Strategy for black" | ||
328 | |||
329 | static struct opt_items strategy_settings[] = { | ||
330 | { "Human", NULL }, | ||
331 | { "Silly robot", NULL }, | ||
332 | { "Smart robot", NULL }, | ||
333 | }; | ||
334 | static const game_strategy_t * const strategy_values[] = { | ||
335 | &strategy_human, &strategy_novice, &strategy_expert }; | ||
336 | |||
337 | |||
338 | /* Sets the strategy for the specified player. 'player' is the | ||
339 | pointer to the player to set the strategy for (actually, | ||
340 | either white_strategy or black_strategy). propmpt is the | ||
341 | text to show as the prompt in the menu */ | ||
342 | static bool reversi_gui_choose_strategy( | ||
343 | const game_strategy_t **player, const char *prompt) { | ||
344 | int index = 0, i; | ||
345 | int num_items = sizeof(strategy_settings)/sizeof(strategy_settings[0]); | ||
346 | bool result; | ||
347 | |||
348 | for (i = 0; i < num_items; i++) { | ||
349 | if ((*player) == strategy_values[i]) { | ||
350 | index = i; | ||
351 | break; | ||
352 | } | ||
353 | } | ||
354 | result = rb->set_option(prompt, &index, INT, strategy_settings, num_items, NULL); | ||
355 | (*player) = strategy_values[index]; | ||
356 | |||
357 | return result; | ||
358 | } | ||
359 | |||
360 | |||
361 | /* Returns true iff USB ws connected while in the menu */ | ||
362 | static bool reversi_gui_menu(void) { | ||
363 | int m, index, num_items, i; | ||
364 | int result; | ||
365 | |||
366 | static const struct menu_item items[] = { | ||
367 | { "Start new game", NULL }, | ||
368 | { "Pass the move", NULL }, | ||
369 | { MENU_TEXT_STRAT_BLACK, NULL }, | ||
370 | { MENU_TEXT_STRAT_WHITE, NULL }, | ||
371 | { MENU_TEXT_WRAP_MODE, NULL }, | ||
372 | { "Quit", NULL }, | ||
373 | }; | ||
374 | |||
375 | m = menu_init(rb, items, sizeof(items) / sizeof(*items), | ||
376 | NULL, NULL, NULL, NULL); | ||
377 | |||
378 | result = menu_show(m); | ||
379 | |||
380 | switch (result) { | ||
381 | case 0: /* Start a new game */ | ||
382 | reversi_gui_init(); | ||
383 | break; | ||
384 | |||
385 | case 1: /* Pass the move to the partner */ | ||
386 | cur_player = reversi_flipped_color(cur_player); | ||
387 | break; | ||
388 | |||
389 | case 2: /* Strategy for black */ | ||
390 | reversi_gui_choose_strategy(&black_strategy, MENU_TEXT_STRAT_BLACK); | ||
391 | break; | ||
392 | |||
393 | case 3: /* Strategy for white */ | ||
394 | reversi_gui_choose_strategy(&white_strategy, MENU_TEXT_STRAT_WHITE); | ||
395 | break; | ||
396 | |||
397 | case 4: /* Cursor wrap mode */ | ||
398 | num_items = sizeof(cursor_wrap_mode_values)/sizeof(cursor_wrap_mode_values[0]); | ||
399 | index = 0; | ||
400 | for (i = 0; i < num_items; i++) { | ||
401 | if (cursor_wrap_mode == cursor_wrap_mode_values[i]) { | ||
402 | index = i; | ||
403 | break; | ||
404 | } | ||
405 | } | ||
406 | rb->set_option(MENU_TEXT_WRAP_MODE, &index, INT, | ||
407 | cursor_wrap_mode_settings, 3, NULL); | ||
408 | cursor_wrap_mode = cursor_wrap_mode_values[index]; | ||
409 | break; | ||
410 | |||
411 | case 5: /* Quit */ | ||
412 | quit_plugin = true; | ||
413 | break; | ||
414 | } | ||
415 | |||
416 | menu_exit(m); | ||
417 | |||
418 | return (result == MENU_ATTACHED_USB); | ||
419 | } | ||
420 | |||
421 | |||
422 | /* Calculates the new cursor position if the user wants to move it | ||
423 | * vertically as specified by delta. Current wrap mode is respected. | ||
424 | * The cursor is not actually moved. | ||
425 | * | ||
426 | * Returns true iff the cursor would be really moved. In any case, the | ||
427 | * new cursor position is stored in (new_row, new_col). | ||
428 | */ | ||
429 | static bool reversi_gui_cursor_pos_vmove(int row_delta, int *new_row, int *new_col) { | ||
430 | *new_row = cur_row + row_delta; | ||
431 | *new_col = cur_col; | ||
432 | |||
433 | if (*new_row < 0) { | ||
434 | switch (cursor_wrap_mode) { | ||
435 | case WRAP_FLAT: | ||
436 | *new_row = cur_row; | ||
437 | break; | ||
438 | case WRAP_SPHERE: | ||
439 | *new_row = BOARD_SIZE - 1; | ||
440 | break; | ||
441 | case WRAP_TORUS: | ||
442 | *new_row = BOARD_SIZE - 1; | ||
443 | (*new_col)--; | ||
444 | if (*new_col < 0) { | ||
445 | *new_col = BOARD_SIZE - 1; | ||
446 | } | ||
447 | break; | ||
448 | } | ||
449 | } else if (*new_row >= BOARD_SIZE) { | ||
450 | switch (cursor_wrap_mode) { | ||
451 | case WRAP_FLAT: | ||
452 | *new_row = cur_row; | ||
453 | break; | ||
454 | case WRAP_SPHERE: | ||
455 | *new_row = 0; | ||
456 | break; | ||
457 | case WRAP_TORUS: | ||
458 | *new_row = 0; | ||
459 | (*new_col)++; | ||
460 | if (*new_col >= BOARD_SIZE) { | ||
461 | *new_col = 0; | ||
462 | } | ||
463 | break; | ||
464 | } | ||
465 | } | ||
466 | |||
467 | return (cur_row != (*new_row)) || (cur_col != (*new_col)); | ||
468 | } | ||
469 | |||
470 | |||
471 | /* Calculates the new cursor position if the user wants to move it | ||
472 | * horisontally as specified by delta. Current wrap mode is respected. | ||
473 | * The cursor is not actually moved. | ||
474 | * | ||
475 | * Returns true iff the cursor would be really moved. In any case, the | ||
476 | * new cursor position is stored in (new_row, new_col). | ||
477 | */ | ||
478 | static bool reversi_gui_cursor_pos_hmove(int col_delta, int *new_row, int *new_col) { | ||
479 | *new_row = cur_row; | ||
480 | *new_col = cur_col + col_delta; | ||
481 | |||
482 | if (*new_col < 0) { | ||
483 | switch (cursor_wrap_mode) { | ||
484 | case WRAP_FLAT: | ||
485 | *new_col = cur_col; | ||
486 | break; | ||
487 | case WRAP_SPHERE: | ||
488 | *new_col = BOARD_SIZE - 1; | ||
489 | break; | ||
490 | case WRAP_TORUS: | ||
491 | *new_col = BOARD_SIZE - 1; | ||
492 | (*new_row)--; | ||
493 | if (*new_row < 0) { | ||
494 | *new_row = BOARD_SIZE - 1; | ||
495 | } | ||
496 | break; | ||
497 | } | ||
498 | } else if (*new_col >= BOARD_SIZE) { | ||
499 | switch (cursor_wrap_mode) { | ||
500 | case WRAP_FLAT: | ||
501 | *new_col = cur_col; | ||
502 | break; | ||
503 | case WRAP_SPHERE: | ||
504 | *new_col = 0; | ||
505 | break; | ||
506 | case WRAP_TORUS: | ||
507 | *new_col = 0; | ||
508 | (*new_row)++; | ||
509 | if (*new_row >= BOARD_SIZE) { | ||
510 | *new_row = 0; | ||
511 | } | ||
512 | break; | ||
513 | } | ||
514 | } | ||
515 | |||
516 | return (cur_row != (*new_row)) || (cur_col != (*new_col)); | ||
517 | } | ||
518 | |||
519 | |||
520 | /* Actually moves the cursor to the new position and updates the screen */ | ||
521 | static void reversi_gui_move_cursor(int new_row, int new_col) { | ||
522 | int old_row, old_col; | ||
523 | |||
524 | old_row = cur_row; | ||
525 | old_col = cur_col; | ||
526 | |||
527 | cur_row = new_row; | ||
528 | cur_col = new_col; | ||
529 | |||
530 | /* Only update the changed cells since there are no global changes */ | ||
531 | reversi_gui_display_cursor(old_row, old_col); | ||
532 | reversi_gui_display_cursor(new_row, new_col); | ||
533 | } | ||
534 | |||
535 | |||
536 | /* plugin entry point */ | ||
537 | enum plugin_status plugin_start(struct plugin_api *api, void *parameter) { | ||
538 | bool exit, draw_screen; | ||
539 | int button; | ||
540 | int lastbutton = BUTTON_NONE; | ||
541 | int row, col; | ||
542 | int w_cnt, b_cnt; | ||
543 | char msg_buf[30]; | ||
544 | |||
545 | /* plugin init */ | ||
546 | rb = api; | ||
547 | /* end of plugin init */ | ||
548 | |||
549 | #if LCD_DEPTH > 1 | ||
550 | rb->lcd_set_backdrop(NULL); | ||
551 | rb->lcd_set_foreground(LCD_BLACK); | ||
552 | rb->lcd_set_background(LCD_WHITE); | ||
553 | #endif | ||
554 | |||
555 | /* Avoid compiler warnings */ | ||
556 | (void)parameter; | ||
557 | |||
558 | reversi_gui_init(); | ||
559 | cursor_wrap_mode = WRAP_FLAT; | ||
560 | |||
561 | /* The main game loop */ | ||
562 | exit = false; | ||
563 | quit_plugin = false; | ||
564 | draw_screen = true; | ||
565 | while (!exit && !quit_plugin) { | ||
566 | if (draw_screen) { | ||
567 | reversi_gui_display_board(); | ||
568 | draw_screen = false; | ||
569 | } | ||
570 | button = rb->button_get(true); | ||
571 | |||
572 | switch (button) { | ||
573 | #ifdef REVERSI_BUTTON_QUIT | ||
574 | /* Exit game */ | ||
575 | case REVERSI_BUTTON_QUIT: | ||
576 | exit = true; | ||
577 | break; | ||
578 | #endif | ||
579 | |||
580 | #ifdef REVERSI_BUTTON_ALT_MAKE_MOVE | ||
581 | case REVERSI_BUTTON_ALT_MAKE_MOVE: | ||
582 | #endif | ||
583 | case REVERSI_BUTTON_MAKE_MOVE: | ||
584 | #ifdef REVERSI_BUTTON_MAKE_MOVE_PRE | ||
585 | if ((button == REVERSI_BUTTON_MAKE_MOVE) | ||
586 | && (lastbutton != REVERSI_BUTTON_MAKE_MOVE_PRE)) | ||
587 | break; | ||
588 | #endif | ||
589 | if (reversi_make_move(&game, cur_row, cur_col, cur_player) > 0) { | ||
590 | /* Move was made. Global changes on the board are possible */ | ||
591 | draw_screen = true; /* Redraw the screen next time */ | ||
592 | cur_player = reversi_flipped_color(cur_player); | ||
593 | if (reversi_game_is_finished(&game)) { | ||
594 | reversi_count_occupied_cells(&game, &w_cnt, &b_cnt); | ||
595 | rb->snprintf(msg_buf, sizeof(msg_buf), | ||
596 | "Game over. %s have won.", | ||
597 | (w_cnt>b_cnt?"WHITE":"BLACK")); | ||
598 | rb->splash(HZ*2, msg_buf); | ||
599 | draw_screen = true; /* Must update screen after splash */ | ||
600 | } | ||
601 | } else { | ||
602 | /* An attempt to make an invalid move */ | ||
603 | rb->splash(HZ/2, "Illegal move!"); | ||
604 | draw_screen = true; | ||
605 | /* Ignore any button presses during the splash */ | ||
606 | rb->button_clear_queue(); | ||
607 | } | ||
608 | break; | ||
609 | |||
610 | /* Move cursor left */ | ||
611 | case REVERSI_BUTTON_LEFT: | ||
612 | case (REVERSI_BUTTON_LEFT | BUTTON_REPEAT): | ||
613 | if (reversi_gui_cursor_pos_hmove(-1, &row, &col)) { | ||
614 | reversi_gui_move_cursor(row, col); | ||
615 | } | ||
616 | break; | ||
617 | |||
618 | /* Move cursor right */ | ||
619 | case REVERSI_BUTTON_RIGHT: | ||
620 | case (REVERSI_BUTTON_RIGHT | BUTTON_REPEAT): | ||
621 | if (reversi_gui_cursor_pos_hmove(1, &row, &col)) { | ||
622 | reversi_gui_move_cursor(row, col); | ||
623 | } | ||
624 | break; | ||
625 | |||
626 | /* Move cursor up */ | ||
627 | case REVERSI_BUTTON_UP: | ||
628 | case (REVERSI_BUTTON_UP | BUTTON_REPEAT): | ||
629 | if (reversi_gui_cursor_pos_vmove(-1, &row, &col)) { | ||
630 | reversi_gui_move_cursor(row, col); | ||
631 | } | ||
632 | break; | ||
633 | |||
634 | /* Move cursor down */ | ||
635 | case REVERSI_BUTTON_DOWN: | ||
636 | case (REVERSI_BUTTON_DOWN | BUTTON_REPEAT): | ||
637 | if (reversi_gui_cursor_pos_vmove(1, &row, &col)) { | ||
638 | reversi_gui_move_cursor(row, col); | ||
639 | } | ||
640 | break; | ||
641 | |||
642 | case REVERSI_BUTTON_MENU: | ||
643 | #ifdef REVERSI_BUTTON_MENU_PRE | ||
644 | if (lastbutton != REVERSI_BUTTON_MENU_PRE) { | ||
645 | break; | ||
646 | } | ||
647 | #endif | ||
648 | if (reversi_gui_menu()) { | ||
649 | return PLUGIN_USB_CONNECTED; | ||
650 | } | ||
651 | draw_screen = true; | ||
652 | break; | ||
653 | |||
654 | default: | ||
655 | if (rb->default_event_handler(button) == SYS_USB_CONNECTED) { | ||
656 | /* Quit if USB has been connected */ | ||
657 | return PLUGIN_USB_CONNECTED; | ||
658 | } | ||
659 | break; | ||
660 | } | ||
661 | if (button != BUTTON_NONE) { | ||
662 | lastbutton = button; | ||
663 | } | ||
664 | } | ||
665 | |||
666 | return PLUGIN_OK; | ||
667 | } | ||
668 | |||
669 | #endif | ||