1 /***************************************************************************
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
10 * Pacbox - a Pacman Emulator for Rockbox
12 * Based on PIE - Pacman Instructional Emulator
14 * Copyright (c) 1997-2003,2004 Alessandro Scotti
15 * http://www.ascotti.org/
17 * This program is free software; you can redistribute it and/or
18 * modify it under the terms of the GNU General Public License
19 * as published by the Free Software Foundation; either version 2
20 * of the License, or (at your option) any later version.
22 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
23 * KIND, either express or implied.
25 ****************************************************************************/
30 #include "pacbox_lcd.h"
31 #include "lib/configfile.h"
32 #include "lib/playback_control.h"
37 struct pacman_settings
{
45 static struct pacman_settings settings
;
46 static struct pacman_settings old_settings
;
48 #define SETTINGS_VERSION 1
49 #define SETTINGS_MIN_VERSION 1
50 #define SETTINGS_FILENAME "pacbox.cfg"
52 static char* difficulty_options
[] = { "Normal", "Hard" };
53 static char* numlives_options
[] = { "1", "2", "3", "5" };
54 static char* bonus_options
[] = {"10000", "15000", "20000", "No Bonus"};
55 static char* ghostnames_options
[] = {"Normal", "Alternate"};
56 static char* showfps_options
[] = {"No", "Yes"};
58 static struct configdata config
[] =
60 {TYPE_ENUM
, 0, 2, { .int_p
= &settings
.difficulty
}, "Difficulty",
62 {TYPE_ENUM
, 0, 4, { .int_p
= &settings
.numlives
}, "Pacmen Per Game",
64 {TYPE_ENUM
, 0, 4, { .int_p
= &settings
.bonus
}, "Bonus", bonus_options
},
65 {TYPE_ENUM
, 0, 2, { .int_p
= &settings
.ghostnames
}, "Ghost Names",
67 {TYPE_ENUM
, 0, 2, { .int_p
= &settings
.showfps
}, "Show FPS",
71 static bool loadFile( const char * name
, unsigned char * buf
, int len
)
73 char filename
[MAX_PATH
];
75 rb
->snprintf(filename
,sizeof(filename
), ROCKBOX_DIR
"/pacman/%s",name
);
77 int fd
= rb
->open( filename
, O_RDONLY
);
83 int n
= rb
->read( fd
, buf
, len
);
94 static bool loadROMS( void )
96 bool romsLoaded
= false;
98 romsLoaded
= loadFile( "pacman.6e", ram_
, 0x1000) &&
99 loadFile( "pacman.6f", ram_
+0x1000, 0x1000) &&
100 loadFile( "pacman.6h", ram_
+0x2000, 0x1000) &&
101 loadFile( "pacman.6j", ram_
+0x3000, 0x1000) &&
102 loadFile( "pacman.5e", charset_rom_
, 0x1000) &&
103 loadFile( "pacman.5f", spriteset_rom_
, 0x1000);
107 reset_PacmanMachine();
113 /* A buffer to render Pacman's 244x288 screen into */
114 static unsigned char video_buffer
[ScreenWidth
*ScreenHeight
] __attribute__ ((aligned (16)));
116 static long start_time
;
117 static long video_frames
= 0;
119 static int dipDifficulty
[] = { DipDifficulty_Normal
, DipDifficulty_Hard
};
120 static int dipLives
[] = { DipLives_1
, DipLives_2
, DipLives_3
, DipLives_5
};
121 static int dipBonus
[] = { DipBonus_10000
, DipBonus_15000
, DipBonus_20000
,
123 static int dipGhostNames
[] = { DipGhostNames_Normal
, DipGhostNames_Alternate
};
125 static int settings_to_dip(struct pacman_settings settings
)
127 return ( DipPlay_OneCoinOneGame
|
132 dipDifficulty
[settings
.difficulty
] |
133 dipLives
[settings
.numlives
] |
134 dipBonus
[settings
.bonus
] |
135 dipGhostNames
[settings
.ghostnames
]
139 static bool pacbox_menu(void)
145 bool need_restart
= false;
147 static const struct opt_items noyes
[2] = {
152 static const struct opt_items difficulty_options
[2] = {
157 static const struct opt_items numlives_options
[4] = {
164 static const struct opt_items bonus_options
[4] = {
165 { "10000 points", -1 },
166 { "15000 points", -1 },
167 { "20000 points", -1 },
171 static const struct opt_items ghostname_options
[2] = {
176 MENUITEM_STRINGLIST(menu
, "Pacbox Menu", NULL
,
177 "Difficulty", "Pacmen Per Game", "Bonus Life",
178 "Ghost Names", "Display FPS",
179 "Playback Control", "Restart", "Quit");
181 rb
->button_clear_queue();
183 #if defined(HAVE_LCD_MODES) && (HAVE_LCD_MODES & LCD_MODE_PAL256)
184 rb
->lcd_set_mode(LCD_MODE_RGB565
);
188 result
=rb
->do_menu(&menu
, &selected
, NULL
, false);
193 new_setting
=settings
.difficulty
;
194 rb
->set_option("Difficulty", &new_setting
, INT
,
195 difficulty_options
, 2, NULL
);
196 if (new_setting
!= settings
.difficulty
) {
197 settings
.difficulty
=new_setting
;
202 new_setting
=settings
.numlives
;
203 rb
->set_option("Pacmen Per Game", &new_setting
, INT
,
204 numlives_options
, 4, NULL
);
205 if (new_setting
!= settings
.numlives
) {
206 settings
.numlives
=new_setting
;
211 new_setting
=settings
.bonus
;
212 rb
->set_option("Bonus Life", &new_setting
, INT
,
213 bonus_options
, 4, NULL
);
214 if (new_setting
!= settings
.bonus
) {
215 settings
.bonus
=new_setting
;
220 new_setting
=settings
.ghostnames
;
221 rb
->set_option("Ghost Names", &new_setting
, INT
,
222 ghostname_options
, 2, NULL
);
223 if (new_setting
!= settings
.ghostnames
) {
224 settings
.ghostnames
=new_setting
;
228 case 4: /* Show FPS */
229 rb
->set_option("Display FPS",&settings
.showfps
,INT
,
232 case 5: /* playback control */
233 playback_control(NULL
);
235 case 6: /* Restart */
245 #if defined(HAVE_LCD_MODES) && (HAVE_LCD_MODES & LCD_MODE_PAL256)
246 rb
->lcd_set_mode(LCD_MODE_PAL256
);
250 init_PacmanMachine(settings_to_dip(settings
));
263 Runs the game engine for one frame.
265 static int gameProc( void )
272 int frame_counter
= 0;
273 int yield_counter
= 0;
277 /* Run the machine for one frame (1/60th second) */
282 /* Check the button status */
283 status
= rb
->button_status();
285 #ifdef HAS_BUTTON_HOLD
286 if (rb
->button_hold())
287 status
= PACMAN_MENU
;
290 if ((status
& PACMAN_MENU
) == PACMAN_MENU
291 #ifdef PACMAN_RC_MENU
292 || status
== PACMAN_RC_MENU
295 end_time
= *rb
->current_tick
;
297 rb
->lcd_clear_display();
298 #ifdef HAVE_REMOTE_LCD
299 rb
->lcd_remote_clear_display();
300 rb
->lcd_remote_update();
302 if (x
== 1) { return 1; }
303 start_time
+= *rb
->current_tick
-end_time
;
306 #ifdef PACMAN_HAS_REMOTE
307 setDeviceMode( Joy1_Left
, (status
& PACMAN_LEFT
|| status
== PACMAN_RC_LEFT
) ? DeviceOn
: DeviceOff
);
308 setDeviceMode( Joy1_Right
, (status
& PACMAN_RIGHT
|| status
== PACMAN_RC_RIGHT
) ? DeviceOn
: DeviceOff
);
309 setDeviceMode( Joy1_Up
, (status
& PACMAN_UP
|| status
== PACMAN_RC_UP
) ? DeviceOn
: DeviceOff
);
310 setDeviceMode( Joy1_Down
, (status
& PACMAN_DOWN
|| status
== PACMAN_RC_DOWN
) ? DeviceOn
: DeviceOff
);
311 setDeviceMode( CoinSlot_1
, (status
& PACMAN_COIN
|| status
== PACMAN_RC_COIN
) ? DeviceOn
: DeviceOff
);
312 setDeviceMode( Key_OnePlayer
, (status
& PACMAN_1UP
|| status
== PACMAN_RC_1UP
) ? DeviceOn
: DeviceOff
);
313 setDeviceMode( Key_TwoPlayers
, (status
& PACMAN_2UP
|| status
== PACMAN_RC_2UP
) ? DeviceOn
: DeviceOff
);
315 setDeviceMode( Joy1_Left
, (status
& PACMAN_LEFT
) ? DeviceOn
: DeviceOff
);
316 setDeviceMode( Joy1_Right
, (status
& PACMAN_RIGHT
) ? DeviceOn
: DeviceOff
);
317 setDeviceMode( Joy1_Up
, (status
& PACMAN_UP
) ? DeviceOn
: DeviceOff
);
318 setDeviceMode( Joy1_Down
, (status
& PACMAN_DOWN
) ? DeviceOn
: DeviceOff
);
319 setDeviceMode( CoinSlot_1
, (status
& PACMAN_COIN
) ? DeviceOn
: DeviceOff
);
320 setDeviceMode( Key_OnePlayer
, (status
& PACMAN_1UP
) ? DeviceOn
: DeviceOff
);
322 setDeviceMode( Key_TwoPlayers
, (status
& PACMAN_2UP
) ? DeviceOn
: DeviceOff
);
326 /* We only update the screen every third frame - Pacman's native
327 framerate is 60fps, so we are attempting to display 20fps */
328 if (frame_counter
== 60 / FPS
) {
335 if (yield_counter
== FPS
) {
340 /* The following functions render the Pacman screen from the
341 contents of the video and color ram. We first update the
342 background, and then draw the Sprites on top.
345 renderBackground( video_buffer
);
346 renderSprites( video_buffer
);
348 #if defined(HAVE_LCD_MODES) && (HAVE_LCD_MODES & LCD_MODE_PAL256)
349 rb
->lcd_blit_pal256( video_buffer
, 0, 0, XOFS
, YOFS
,
350 ScreenWidth
, ScreenHeight
);
352 blit_display(rb
->lcd_framebuffer
,video_buffer
);
355 if (settings
.showfps
) {
356 fps
= (video_frames
*HZ
*100) / (*rb
->current_tick
-start_time
);
357 rb
->snprintf(str
,sizeof(str
),"%d.%02d / %d fps ",
358 fps
/100,fps
%100,FPS
);
359 rb
->lcd_putsxy(0,0,str
);
362 #if !defined(HAVE_LCD_MODES) || \
363 defined(HAVE_LCD_MODES) && !(HAVE_LCD_MODES & LCD_MODE_PAL256)
367 /* Keep the framerate at Pacman's 60fps */
368 end_time
= start_time
+ (video_frames
*HZ
)/FPS
;
369 while (TIME_BEFORE(*rb
->current_tick
,end_time
)) {
377 enum plugin_status
plugin_start(const void* parameter
)
383 #ifdef HAVE_ADJUSTABLE_CPU_FREQ
386 rb
->lcd_set_backdrop(NULL
);
387 rb
->lcd_set_foreground(LCD_WHITE
);
388 rb
->lcd_set_background(LCD_BLACK
);
389 rb
->lcd_clear_display();
392 /* Set the default settings */
393 settings
.difficulty
= 0; /* Normal */
394 settings
.numlives
= 2; /* 3 lives */
395 settings
.bonus
= 0; /* 10000 points */
396 settings
.ghostnames
= 0; /* Normal names */
397 settings
.showfps
= 0; /* Do not show FPS */
399 if (configfile_load(SETTINGS_FILENAME
, config
,
400 sizeof(config
)/sizeof(*config
),
404 /* If the loading failed, save a new config file (as the disk is
406 configfile_save(SETTINGS_FILENAME
, config
,
407 sizeof(config
)/sizeof(*config
),
411 /* Keep a copy of the saved version of the settings - so we can check if
412 the settings have changed when we quit */
413 old_settings
= settings
;
415 /* Initialise the hardware */
416 init_PacmanMachine(settings_to_dip(settings
));
418 #if defined(HAVE_LCD_MODES) && (HAVE_LCD_MODES & LCD_MODE_PAL256)
419 rb
->lcd_set_mode(LCD_MODE_PAL256
);
422 /* Load the romset */
424 start_time
= *rb
->current_tick
-1;
428 /* Save the user settings if they have changed */
429 if (rb
->memcmp(&settings
,&old_settings
,sizeof(settings
))!=0) {
430 rb
->splash(0, "Saving settings...");
431 configfile_save(SETTINGS_FILENAME
, config
,
432 sizeof(config
)/sizeof(*config
),
436 rb
->splashf(HZ
*2, "No ROMs in %s/pacman/", ROCKBOX_DIR
);
439 #if defined(HAVE_LCD_MODES) && (HAVE_LCD_MODES & LCD_MODE_PAL256)
440 rb
->lcd_set_mode(LCD_MODE_RGB565
);
443 #ifdef HAVE_ADJUSTABLE_CPU_FREQ
444 rb
->cpu_boost(false);