/*************************************************************************** * __________ __ ___. * Open \______ \ ____ ____ | | _\_ |__ _______ ___ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ * \/ \/ \/ \/ \/ * * Pacbox - a Pacman Emulator for Rockbox * * Based on PIE - Pacman Instructional Emulator * * Copyright (c) 1997-2003,2004 Alessandro Scotti * http://www.ascotti.org/ * AI code (c) 2017 Moshe Piekarski * * ToDo convert all score to pinky location * * 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY * KIND, either express or implied. * ****************************************************************************/ #include "plugin.h" #include "arcade.h" #include "pacbox.h" #include "pacbox_lcd.h" #include "wsg3.h" #include "lib/configfile.h" #include "lib/playback_control.h" #include "lib/helper.h" static fb_data *lcd_fb; /*Allows split screen jump and makes pacman invincible if you start at 18 credits (for testing purposes)*/ //#define CHEATS 1 /* Enable AI on all targets */ #define AI 1 struct pacman_settings { int difficulty; int numlives; int bonus; int ghostnames; int showfps; int sound; int ai; }; static struct pacman_settings settings; static struct pacman_settings old_settings; static bool sound_playing = false; #define SETTINGS_VERSION 2 #define SETTINGS_MIN_VERSION 2 #define SETTINGS_FILENAME "pacbox.cfg" static char* difficulty_options[] = { "Normal", "Hard" }; static char* numlives_options[] = { "1", "2", "3", "5" }; static char* bonus_options[] = {"10000", "15000", "20000", "No Bonus"}; static char* ghostnames_options[] = {"Normal", "Alternate"}; static char* yesno_options[] = {"No", "Yes"}; #ifdef AI static unsigned char ai_direction[15][205] = /* level turn directions */ { {2,1,3,1,2,0,3,0,3,1,2,1,3,1,3,0,3,0,2,0,3,0,2,1,3,1,2,0,2,1,3,1,3,0,3,1,3,1,2,0,3,0,3,0,3,0,2,0,3,1,2,0,2,0,3,1,2,1,2,1,2,0,2,0,2,0,3,1,3,1,2,1,2,1,3,0,2,0,2,0,2,1,2,0,3,0,2,1,3,0,3,2,1,3,0,3,1,2,1,2,0,2,3,1,3,0,3,0,2,4}, /* first level */ {2,0,3,1,3,1,2,0,2,0,2,0,3,1,3,1,2,1,2,0,3,0,3,0,3,1,3,1,2,1,2,0,2,0,3,0,2,0,3,1,2,0,3,1,2,0,2,1,2,1,2,0,2,0,3,1,0,3,0,3,2,0,2,0,2,0,3,1,0,3,2,0,2,1,2,1,3,0,3,1,3,1,3,0,3,0,1,2,1,3,1,3,1,2},/* second level*/ {2,1,3,1,2,0,2,0,3,0,2,1,3,1,2,1,2,0,3,0,3,0,3,1,3,1,2,1,2,0,2,0,2,3,0,3,0,3,0,2,0,3,1,2,0,2,0,3,1,2,1,2,1,3,1,3,1,2,0,2,1,3,1,3,0,3,0,2,0,3,1,2,1,2,0,3,1,3,1,2,1,2,0,2,0,2,0,3,1,2,0,2,1,3,0,1,2,1,2,0},/*third level*/ {2,1,3,1,2,0,2,0,3,0,2,1,3,1,2,1,2,0,3,0,3,0,3,1,3,1,2,1,2,0,2,0,2,3,0,3,0,3,0,2,0,3,1,2,0,2,0,3,1,2,1,2,1,3,1,3,1,2,0,2,0,3,1,3,1,2,1,2,0,2,0,3,0,2,0,3,0,2,1,2,1,3,0,3,0,2,1,0,3,1,3,1,2,1,2,1,3,1,3,0,3,0,2,0,2,1,2,1,3,1,3,0,3,1,3,2,0,2,0,2,0,2},/*level four*/ {2,2,1,2,1,3,0,3,0,2,0,2,0,3,0,2,0,2,0,3,1,2,1,3,1,2,1,3,1,2,1,2,1,3,1,3,0,2,0,3,1,2,1,2,0,2,0,3,0,2,0,3,1,3,0,2,1,2,1,2,0,2,0,2,0,3,0,3,1,3,1,2,1,3,1,3,0,3,0,2,0,2,1,3,1,3,0,2,1,2,0,3,1,3,1,3,1,2,1,2,0,2,1,2,0,2,0,3,1,3,0,2,0,2},/*levels 5,7,8,11*/ {2,2,1,2,1,3,0,3,0,2,0,2,0,3,0,2,0,2,0,3,1,2,1,3,1,2,1,3,1,2,1,2,1,3,1,3,0,2,0,3,1,2,1,2,0,2,0,3,0,2,0,3,1,3,0,2,1,2,1,2,0,3,0,2,0,3,1,3,0,2,1,2,1,2,0,2,0,3,0,2,1,2,0,3,0,2,1,3,0,2,1,3,1,3,0,3,1,2,1,2,1,2,0,2,0,3,1,3,0,1,0,3,1},/*level six*/ {2,1,3,1,2,0,2,0,3,0,2,0,3,0,3,1,2,0,2,0,2,1,3,0,3,1,3,0,2,1,2,0,3,1,3,1,2,1,3,1,3,0,2,0,3,1,2,1,3,1,2,0,3,0,2,0,3,1,2,0,3,1,2,1,2,1,2,0,2,0,2,0,3,0,3,1,3,1,3,0,3,1,2,1,3,1,3,1,2,0,3,0,2,1,3,1,2,0,3,0,2,1,3,1,3,2,1,3,0,2,0,2,0,2,1,3,1,2,1,3,1,2,0,3,0,2,0,3,1,3,1,2,0,2,0,3,1,2,0,3,0,2,1,3,0,3,1,2,1,3,1,2,1,2,1,2,0,2,1,3,0,2,1,2,1,2,0,2,1,2,0,2,1,2,0,2,0,3,0,2,0,3,1,2,0,2,1,3,1,2,1,3,1,3,0,2},/*level nine*/ {2,2,1,2,1,3,0,3,0,2,0,2,0,3,0,2,0,2,0,3,1,2,1,3,1,2,1,3,1,2,1,2,1,3,1,3,0,2,0,3,1,2,1,2,0,2,0,3,0,2,0,3,1,3,0,2,1,2,1,2,0,3,0,2,0,3,1,2,0,2,1,2,1,2,1,2,0,2,0,3,0,2,1,3,0,3,0,1,2,1,3,1,2,1,0,3,0,2,0,2,1,2,0,2,0,3,1,3,0,2,1,2,1,2,0,3,0,2,0,3,1,2,0,2,1,2,1,2,1,2,0,2,0,3,0,2,1,3,0,3,0,1,2,1,3,1,2,1,0,3,0,2,0,2,1,2,0,2,0,3,1,3,0,2,1,2,1,2,},/*level ten*/ {2,1,3,1,2,0,2,0,3,0,2,0,3,0,3,1,2,0,2,0,2,1,3,0,3,1,3,0,2,1,2,0,3,1,3,1,2,1,3,1,3,0,2,0,3,1,2,1,3,1,2,0,3,0,2,0,3,1,2,0,3,1,2,1,2,1,2,0,2,0,2,0,3,0,3,1,3,1,3,0,3,1,2,1,3,1,3,1,2,0,3,0,2,1,3,1,2,0,3,0,2,1,3,1,3,2,1,3,0,2,0,2,0,2,1,3,1,2,1,3,1,2,0,3,0,2,0,3,1,3,1,2,0,2,0,3,1,2,0,3,0,2,1,3,0,1,3,0,3,1,3,0,2,1,3,1,3,1,2,1,2,1,3,0,2,1,2,1,2,0,2,0,2,0,3,1,2,1,2,1,2,0,2,0,2,0,3,1,3,1,2,0,2},/*level twelve*/ {2,2,1,2,1,3,0,3,0,2,0,2,0,3,0,2,0,2,0,3,1,2,1,3,1,2,1,3,1,2,1,2,1,3,1,3,0,2,0,3,1,2,1,2,0,2,0,3,0,2,0,3,1,2,0,3,1,2,0,2,3,1,2,1,2,1,3,1,2,0,2,0,2,0,3,1,2,1,2,1,2,0,2,1,2,1,3,1,3,0,3,0,3,0,3,0,2,1,3,1,3,1,3,0,3,0,2,0,3,0,2,1,3,0,3,1,3,2,1},/*level fourteen*/ {2,1,3,1,2,0,2,0,3,0,2,0,3,0,3,1,2,0,2,0,2,1,3,0,3,1,3,0,2,1,2,0,3,1,3,1,2,1,3,1,3,0,2,0,3,1,2,1,3,1,2,0,3,0,2,0,3,1,2,0,3,1,2,1,2,1,2,0,2,0,2,0,3,0,3,1,3,1,3,0,3,1,2,1,3,1,3,1,2,0,3,0,2,1,3,1,2,0,3,0,2,1,3,1,3,2,1,3,0,2,0,2,0,2,1,3,1,2,1,3,1,2,0,3,0,2,0,3,1,3,1,2,0,3,0,3,1,2,1,3,1,3,0,2,0,3,0,2,0,3,0,2,1,3,1,3,0,3,0,3,0,2,1,3,1,2,1,3,0,3,1,2,0,3,0,2,0,2,0,3,1,0,1,2,1,3,0,2,0,2,1,2,0,2,1,3,2}, {2,2,1,2,1,3,0,3,0,2,0,3,0,2,0,2,0,3,0,2,1,3,1,2,1,3,1,3,1,3,1,2,0,2,0,2,0,3,1,2,0,2,0,2,0,3,0,3,1,3,0,3,1,2,1,2,0,2,0,3,0,2,1,3,1,2,0,2,0,2,1,3,1,2,1,3,1,2,1,3,0,2,0,3,0,2}, {2,2,1,2,1,3,0,3,0,2,0,3,0,2,0,2,0,3,0,2,1,3,1,2,1,3,1,3,1,3,1,2,0,2,0,2,0,3,1,2,0,2,0,2,0,3,0,3,1,3,1,2,1,3,1,2,1,2,1,3,1,3,0,2,0,3,1,3,0,2,1,3,1,2,0,2,1,3,1,2,1,3,1,3,1,3,1,2,1}, {2,1,3,1,2,0,3,0,3,1,2,1,3,1,3,0,3,0,3,0,2,1,3,1,3,0,3,0,2,0,2,1,2,1,3,1,2,1,2,0,2,0,3,0,2,0,3,0,3,1,2,0,2,1,3,1,3,1,3,0,3,0,2,1,3,1,2,1,2,0,2,0,3,0,3,1,2,1,3,0}, {2,1,3,1,2,0,3,0,2,0,3,1,2,0,3,1,2,1,2,0,2,0,2,0,3,0,3,0,2,1,3,0,2,1,3,1,2,1,2,1,2,0,2,1,2,1,2,1,3,0,1,3,0,1,2,1,2,1,2,0,3,1,2} }; static unsigned char ai_location[15][205] = /* level turn locations */ { {0,52,58,57,61,34,60,37,54,43,55,42,58,43,61,46,60,49,57,48,54,49,51,42,52,43,55,39,54,34,55,34,58,37,26,52,58,57,61,48,60,49,57,52,42,57,39,48,35,57,40,54,39,48,35,52,37,51,40,48,43,45,42,42,39,39,35,43,37,49,40,48,43,42,49,49,45,45,42,42,39,39,40,34,39,43,35,34,40,37,39,3,39,55,52,54,57,55,57,58,54,57,3,52,58,55,57,57,54,53}, /* first level */ {0,47,54,52,58,57,61,45,60,42,57,39,54,43,55,49,58,48,61,34,60,37,54,40,51,49,52,57,55,57,58,54,54,51,48,52,39,48,35,57,40,54,39,57,40,54,35,48,37,40,56,37,57,33,54,37,2,54,40,51,4,42,48,39,39,34,35,37,1,39,4,45,35,39,37,34,40,37,39,40,40,43,43,46,42,49,16,40,48,42,48,45,52,55}, /*second level */ {0,52,58,57,61,45,60,42,57,43,54,39,55,49,58,48,61,34,60,37,54,40,51,49,52,57,55,57,58,54,54,51,51,4,49,48,52,42,57,39,48,35,57,40,54,39,48,35,52,37,51,40,48,43,49,46,52,55,39,54,34,55,34,58,37,57,43,54,42,51,49,52,48,55,39,35,43,37,49,40,48,43,45,42,42,39,39,35,43,37,39,35,34,37,43,3,37,39,40,34}, /*third level */ {0,52,58,57,61,45,60,42,57,43,54,39,55,49,58,48,61,34,60,37,54,40,51,49,52,57,55,57,58,54,54,51,51,4,49,48,52,42,57,39,48,35,57,40,54,39,48,35,52,37,51,40,48,43,49,46,52,55,45,54,39,48,40,49,49,52,48,55,45,54,42,45,43,42,42,39,43,35,39,37,34,40,37,39,43,35,34,1,35,37,37,49,40,48,43,42,52,43,55,46,54,49,51,42,48,39,52,34,55,34,58,37,54,43,55,4,45,54,42,48,39,1}, /*fourth level */ {0,14,39,58,34,61,46,60,49,57,45,54,42,45,43,42,42,39,39,35,43,37,42,40,43,43,42,49,49,52,48,55,42,58,43,61,57,60,54,54,57,55,57,58,54,57,48,54,52,39,48,35,52,37,57,35,54,46,51,49,42,48,39,42,34,39,37,35,43,37,49,40,48,43,49,46,52,42,57,39,39,35,34,37,40,3,43,35,39,40,34,39,40,40,43,43,49,52,48,55,45,54,39,58,36,57,34,54,37,55,43,54,39,51}, /*fifth level */ {0,14,39,58,34,61,46,60,49,57,45,54,42,45,43,42,42,39,39,35,43,37,42,40,43,43,42,49,49,52,48,55,42,58,43,61,57,60,54,54,57,55,57,58,54,57,48,54,52,39,48,35,52,37,57,35,54,46,51,49,42,45,43,42,42,39,52,40,57,39,51,40,48,43,45,42,42,39,43,35,39,40,34,39,37,35,34,37,37,35,34,3,37,46,40,45,49,49,42,52,39,58,36,57,34,54,37,55,52,4,54,48,37,},/*sixth level*/ {0,52,58,57,61,45,60,42,57,43,54,42,51,49,48,52,55,45,54,42,48,39,52,40,45,49,52,52,48,51,49,42,45,49,52,52,55,42,58,43,61,57,60,54,54,57,55,57,58,57,61,48,60,49,57,48,54,52,55,48,54,52,55,51,58,48,61,45,60,42,57,39,48,40,45,49,46,40,49,49,48,52,52,48,55,52,58,57,61,48,60,49,57,42,58,43,61,34,60,37,54,34,55,34,58,1,34,61,43,60,42,57,39,48,54,52,57,55,57,58,57,61,48,60,49,57,39,48,40,52,43,55,39,42,34,39,37,40,34,39,37,35,34,37,37,35,43,37,42,40,43,43,42,46,51,49,42,48,39,55,52,48,51,49,42,52,39,48,54,52,51,51,42,52,39,48,54,42,57,39,54,35,57,37,4,35,48,37,49,40,48,43,49,46,52,39},/*ninth level*/ {0,14,39,58,34,61,46,60,49,57,45,54,42,45,43,42,42,39,39,35,43,37,42,40,43,43,42,49,49,52,48,55,42,58,43,61,57,60,54,54,57,55,57,58,54,57,48,54,52,39,48,35,52,37,57,35,54,46,51,49,42,45,43,42,42,39,57,40,54,39,51,40,48,43,42,46,39,42,34,39,37,35,34,40,37,39,43,3,37,42,40,43,43,42,4,45,43,42,42,39,39,58,36,57,34,54,37,55,52,48,51,49,42,52,45,60,},/*tenth level*/ {0,52,58,57,61,45,60,42,57,43,54,42,51,49,48,52,55,45,54,42,48,39,52,40,45,49,52,52,48,51,49,42,45,49,52,52,55,42,58,43,61,57,60,54,54,57,55,57,58,57,61,48,60,49,57,48,54,52,55,48,54,52,55,51,58,48,61,45,60,42,57,39,48,40,45,49,46,40,49,49,48,52,52,48,55,52,58,57,61,48,60,49,57,42,58,43,61,34,60,37,54,34,55,34,58,1,34,61,43,60,42,57,39,48,54,52,57,55,57,58,57,61,48,60,49,57,39,48,40,52,43,55,39,42,34,39,37,40,34,39,37,35,34,37,37,4,46,40,45,49,46,52,39,42,40,43,43,49,49,42,52,39,55,52,48,51,49,42,52,39,48,54,39,48,35,57,37,51,40,48,43,45,42,42,39,39,35,43,37,57,40,54,35},/*twelfth level*/ {0,14,39,58,34,61,46,60,49,57,45,54,42,45,43,42,42,39,39,35,43,37,42,40,43,43,42,49,49,52,48,55,42,58,43,61,57,60,54,54,57,55,57,58,54,57,48,54,52,39,48,35,52,37,48,35,57,37,54,35,4,52,37,51,40,48,43,49,49,42,48,39,42,34,39,57,40,54,46,51,49,42,48,39,52,34,55,34,58,37,54,40,51,49,48,52,39,42,40,43,43,49,52,52,48,37,42,34,39,37,35,34,37,37,35,43,37,4,39},/*fourteenth level*/ {0,52,58,57,61,45,60,42,57,43,54,42,51,49,48,52,55,45,54,42,48,39,52,40,45,45,52,52,48,51,49,42,45,49,52,52,55,42,58,43,61,57,60,54,54,57,55,57,58,57,61,48,60,49,57,48,54,52,55,48,54,52,55,51,58,48,61,45,60,42,57,39,48,40,45,49,46,40,49,49,48,52,52,48,55,52,58,57,61,48,60,49,57,42,58,43,61,34,60,37,54,34,55,34,58,1,34,61,43,60,42,57,39,48,54,52,57,55,57,58,57,61,48,60,49,57,39,48,40,52,43,55,39,54,40,45,49,49,42,52,43,55,52,54,51,48,37,41,34,39,37,35,34,37,37,46,40,45,46,42,49,39,42,40,43,43,42,49,49,48,52,55,39,54,40,48,54,39,48,35,57,2,3,37,54,40,57,39,54,35,48,37,45,35,39,37,40}, {0,14,39,58,34,61,46,60,49,57,48,54,52,48,51,45,48,42,49,39,42,40,43,43,42,49,49,52,52,58,57,61,45,60,42,57,39,39,52,55,45,54,39,42,34,39,37,35,43,37,46,35,52,46,51,49,42,48,54,42,57,35,54,37,57,40,54,39,45,35,34,40,37,52,34,55,34,58,34,61,57,60,57,57,57,53}, {0,14,39,58,34,61,46,60,49,57,48,54,52,48,51,45,48,42,49,39,42,40,43,43,42,49,49,52,52,58,57,61,45,60,42,57,39,39,52,55,45,54,39,42,34,39,37,35,43,37,49,40,48,43,49,49,42,52,34,55,34,58,37,42,34,35,43,37,57,35,54,37,57,40,54,35,48,37,49,40,48,43,49,46,52,52,57,55,57}, {0,52,58,57,61,34,60,37,54,43,55,42,58,43,61,46,60,49,57,52,54,48,55,52,58,55,57,57,54,54,48,51,49,42,52,43,55,39,58,36,57,34,54,37,42,34,39,37,35,43,37,39,35,34,37,37,46,40,49,49,48,52,35,48,37,49,40,48,43,45,42,42,39,52,35,57,37,54,40,57}, {0,52,58,57,61,48,60,49,57,48,54,52,55,48,54,57,55,57,58,54,48,51,45,48,42,49,39,52,35,48,37,52,34,48,37,52,46,51,49,45,37,39,33,38,35,35,49,34,60,37,53,60,42,55,60,38,35,58,40,54,35,57,37} }; #endif static struct configdata config[] = { {TYPE_ENUM, 0, 2, { .int_p = &settings.difficulty }, "Difficulty", difficulty_options}, {TYPE_ENUM, 0, 4, { .int_p = &settings.numlives }, "Pacmen Per Game", numlives_options}, {TYPE_ENUM, 0, 4, { .int_p = &settings.bonus }, "Bonus", bonus_options}, {TYPE_ENUM, 0, 2, { .int_p = &settings.ghostnames }, "Ghost Names", ghostnames_options}, {TYPE_ENUM, 0, 2, { .int_p = &settings.showfps }, "Show FPS", yesno_options}, {TYPE_ENUM, 0, 2, { .int_p = &settings.sound }, "Sound", yesno_options}, #ifdef AI {TYPE_ENUM, 0, 2, { .int_p = &settings.ai }, "AI", yesno_options}, #endif }; static bool loadFile( const char * name, unsigned char * buf, int len ) { char filename[MAX_PATH]; rb->snprintf(filename,sizeof(filename), ROCKBOX_DIR "/pacman/%s",name); int fd = rb->open( filename, O_RDONLY); if( fd < 0 ) { return false; } int n = rb->read( fd, buf, len); rb->close( fd ); if( n != len ) { return false; } return true; } static bool loadROMS( void ) { bool romsLoaded = false; romsLoaded = loadFile( "pacman.6e", ram_, 0x1000) && loadFile( "pacman.6f", ram_+0x1000, 0x1000) && loadFile( "pacman.6h", ram_+0x2000, 0x1000) && loadFile( "pacman.6j", ram_+0x3000, 0x1000) && loadFile( "pacman.5e", charset_rom_, 0x1000) && loadFile( "pacman.5f", spriteset_rom_, 0x1000); if( romsLoaded ) { decodeROMs(); reset_PacmanMachine(); } return romsLoaded; } /* A buffer to render Pacman's 244x288 screen into */ static unsigned char video_buffer[ScreenWidth*ScreenHeight] __attribute__ ((aligned (16))); static long start_time; static long video_frames = 0; static int dipDifficulty[] = { DipDifficulty_Normal, DipDifficulty_Hard }; static int dipLives[] = { DipLives_1, DipLives_2, DipLives_3, DipLives_5 }; static int dipBonus[] = { DipBonus_10000, DipBonus_15000, DipBonus_20000, DipBonus_None }; static int dipGhostNames[] = { DipGhostNames_Normal, DipGhostNames_Alternate }; static int settings_to_dip(struct pacman_settings settings) { return ( DipPlay_OneCoinOneGame | DipCabinet_Upright | DipMode_Play | DipRackAdvance_Off | dipDifficulty[settings.difficulty] | dipLives[settings.numlives] | dipBonus[settings.bonus] | dipGhostNames[settings.ghostnames] ); } static bool pacbox_menu(void) { int selected=0; int result; int menu_quit=0; int new_setting; bool need_restart = false; static const struct opt_items noyes[2] = { { "No", -1 }, { "Yes", -1 }, }; static const struct opt_items difficulty_options[2] = { { "Normal", -1 }, { "Harder", -1 }, }; static const struct opt_items numlives_options[4] = { { "1", -1 }, { "2", -1 }, { "3", -1 }, { "5", -1 }, }; static const struct opt_items bonus_options[4] = { { "10000 points", -1 }, { "15000 points", -1 }, { "20000 points", -1 }, { "No bonus", -1 }, }; static const struct opt_items ghostname_options[2] = { { "Normal", -1 }, { "Alternate", -1 }, }; enum { PBMI_DIFFICULTY = 0, PBMI_PACMEN_PER_GAME, PBMI_BONUS_LIFE, PBMI_GHOST_NAMES, PBMI_DISPLAY_FPS, PBMI_SOUND, #ifdef AI PBMI_AI, #endif PBMI_RESTART, PBMI_QUIT, }; MENUITEM_STRINGLIST(menu, "Pacbox", NULL, "Difficulty", "Pacmen Per Game", "Bonus Life", "Ghost Names", "Display FPS", "Sound", #ifdef AI "AI", #endif "Restart", "Quit"); rb->button_clear_queue(); #if defined(HAVE_LCD_MODES) && (HAVE_LCD_MODES & LCD_MODE_PAL256) rb->lcd_set_mode(LCD_MODE_RGB565); #endif while (!menu_quit) { result=rb->do_menu(&menu, &selected, NULL, false); switch(result) { case PBMI_DIFFICULTY: new_setting=settings.difficulty; rb->set_option("Difficulty", &new_setting, RB_INT, difficulty_options , 2, NULL); if (new_setting != settings.difficulty) { settings.difficulty=new_setting; need_restart=true; } break; case PBMI_PACMEN_PER_GAME: new_setting=settings.numlives; rb->set_option("Pacmen Per Game", &new_setting, RB_INT, numlives_options , 4, NULL); if (new_setting != settings.numlives) { settings.numlives=new_setting; need_restart=true; } break; case PBMI_BONUS_LIFE: new_setting=settings.bonus; rb->set_option("Bonus Life", &new_setting, RB_INT, bonus_options , 4, NULL); if (new_setting != settings.bonus) { settings.bonus=new_setting; need_restart=true; } break; case PBMI_GHOST_NAMES: new_setting=settings.ghostnames; rb->set_option("Ghost Names", &new_setting, RB_INT, ghostname_options , 2, NULL); if (new_setting != settings.ghostnames) { settings.ghostnames=new_setting; need_restart=true; } break; case PBMI_DISPLAY_FPS: rb->set_option("Display FPS",&settings.showfps, RB_INT, noyes, 2, NULL); break; case PBMI_SOUND: rb->set_option("Sound",&settings.sound, RB_INT, noyes, 2, NULL); break; #ifdef AI case PBMI_AI: rb->set_option("AI",&settings.ai, RB_INT, noyes, 2, NULL); break; #endif case PBMI_RESTART: need_restart=true; menu_quit=1; break; default: menu_quit=1; break; } } #if defined(HAVE_LCD_MODES) && (HAVE_LCD_MODES & LCD_MODE_PAL256) rb->lcd_set_mode(LCD_MODE_PAL256); #endif if (need_restart) { init_PacmanMachine(settings_to_dip(settings)); } /* Possible results: exit game restart game usb connected */ return (result==PBMI_QUIT); } /* Sound is emulated in ISR context, so not much is done per sound frame */ #define NBSAMPLES 128 static uint32_t sound_buf[NBSAMPLES]; #if CONFIG_CPU == MCF5249 /* Not enough to put this in IRAM */ static int16_t raw_buf[NBSAMPLES]; #else static int16_t raw_buf[NBSAMPLES] IBSS_ATTR; #endif /* Audio callback */ static void get_more(const void **start, size_t *size) { int32_t *out, *outend; int16_t *raw; /* Emulate the audio for the current register settings */ playSound(raw_buf, NBSAMPLES); out = sound_buf; outend = out + NBSAMPLES; raw = raw_buf; /* Convert to stereo */ do { uint32_t sample = (uint16_t)*raw++; *out++ = sample | (sample << 16); } while (out < outend); *start = sound_buf; *size = NBSAMPLES*sizeof(sound_buf[0]); } /* Start the sound emulation */ static void start_sound(void) { int sr_index; if (sound_playing) return; rb->audio_stop(); #ifndef USE_IRAM /* Ensure control of PCM - stopping music itn't obligatory */ rb->plugin_get_audio_buffer(NULL); #endif /* Get the closest rate >= to what is preferred */ const struct pcm_sink_caps* caps = rb->pcm_current_sink_caps(); sr_index = rb->round_value_to_list32(PREFERRED_SAMPLING_RATE, caps->samprs, caps->num_samprs, false); if (caps->samprs[sr_index] < PREFERRED_SAMPLING_RATE && sr_index > 0) { /* Round up */ sr_index--; } wsg3_set_sampling_rate(caps->samprs[sr_index]); static const struct mixer_play_cbs cbs = { .get_more = get_more, }; rb->mixer_set_frequency(caps->samprs[sr_index]); rb->pcmbuf_fade(false, true); /* Be sure channel is audible */ rb->mixer_channel_play_data(PCM_MIXER_CHAN_PLAYBACK, &cbs, NULL, 0); sound_playing = true; } /* Stop the sound emulation */ static void stop_sound(void) { if (!sound_playing) return; rb->pcmbuf_fade(false, false); /* Mute channel */ rb->mixer_channel_stop(PCM_MIXER_CHAN_PLAYBACK); rb->mixer_set_frequency(HW_SAMPR_DEFAULT); sound_playing = false; } /* use buttons for joystick */ void joystick(void) { int status; /* Check the button status */ status = rb->button_status(); rb->button_clear_queue(); /*handle buttons if AI is off */ #ifdef PACMAN_HAS_REMOTE setDeviceMode( Joy1_Left, (status & PACMAN_LEFT || status == PACMAN_RC_LEFT) ? DeviceOn : DeviceOff); setDeviceMode( Joy1_Right, (status & PACMAN_RIGHT || status == PACMAN_RC_RIGHT) ? DeviceOn : DeviceOff); setDeviceMode( Joy1_Up, (status & PACMAN_UP || status == PACMAN_RC_UP) ? DeviceOn : DeviceOff); setDeviceMode( Joy1_Down, (status & PACMAN_DOWN || status == PACMAN_RC_DOWN) ? DeviceOn : DeviceOff); setDeviceMode( CoinSlot_1, (status & PACMAN_COIN || status == PACMAN_RC_COIN) ? DeviceOn : DeviceOff); setDeviceMode( Key_OnePlayer, (status & PACMAN_1UP || status == PACMAN_RC_1UP) ? DeviceOn : DeviceOff); setDeviceMode( Key_TwoPlayers, (status & PACMAN_2UP || status == PACMAN_RC_2UP) ? DeviceOn : DeviceOff); #else setDeviceMode( Joy1_Left, (status & PACMAN_LEFT) ? DeviceOn : DeviceOff); setDeviceMode( Joy1_Right, (status & PACMAN_RIGHT) ? DeviceOn : DeviceOff); setDeviceMode( Joy1_Up, (status & PACMAN_UP) ? DeviceOn : DeviceOff); setDeviceMode( Joy1_Down, (status & PACMAN_DOWN) ? DeviceOn : DeviceOff); setDeviceMode( CoinSlot_1, (status & PACMAN_COIN) ? DeviceOn : DeviceOff); setDeviceMode( Key_OnePlayer, (status & PACMAN_1UP) ? DeviceOn : DeviceOff); #ifdef PACMAN_2UP setDeviceMode( Key_TwoPlayers, (status & PACMAN_2UP) ? DeviceOn : DeviceOff); #endif #endif #ifdef CHEATS // skip level for testing purposes if(status == SKIP_LEVEL) { //dots ram_[0x4E0E] = 242; //level ram_[0x4E13] = 254; } #endif } #ifdef AI /* blank controls */ void clear_joystick(void) { setDeviceMode( Joy1_Left, DeviceOff); setDeviceMode( Joy1_Right, DeviceOff); setDeviceMode( Joy1_Up, DeviceOff); setDeviceMode( Joy1_Down, DeviceOff); } /* Make turns */ void ai_turn( unsigned char level, unsigned char turn) { switch(ai_direction[level][turn]) { case 0: clear_joystick(); setDeviceMode( Joy1_Up, DeviceOn); break; case 1: clear_joystick(); setDeviceMode( Joy1_Down, DeviceOn); break; case 2: clear_joystick(); setDeviceMode( Joy1_Right, DeviceOn); break; case 3: clear_joystick(); setDeviceMode( Joy1_Left, DeviceOn); break; case 4: clear_joystick(); break; } } /* Decide turns automatically */ unsigned char ai( unsigned char turn ) { unsigned char position; /* pac-mans current position */ unsigned char level; /* current game level */ unsigned char map[20] = {0,1,2,3,4,5,4,4,6,7,4,8,8,9,10,10,11,10,12,12}; /*Select level map*/ if(ram_[0x4E13] < 20) level=map[ram_[0x4E13]]; else if(ram_[0x4E13] != 255) level=13; else level=14; /* AI can't start in middle of a level */ if( turn > 210) { rb->splash(HZ/2, "AI will engage at next level start"); return 0; } /* reset joystick direction on level start */ if(!(ram_[0x4E0E] || turn)) { /*levels that start facing right */ if((level != 4) && (level != 11) && (level != 7) && (level != 5) && (level != 9) && (level !=12)) clear_joystick(); else { clear_joystick(); setDeviceMode( Joy1_Right, DeviceOn); } return 1; } if( turn == 0) { if( (ram_[0x4E0E] == 1) && (ram_[0x4D3A] == 47)) { turn=1; } joystick(); return turn; } if((turn != 0) && (turn !=209)) { /* set which axis to look for pac-man along */ position = ram_[0x4D3A]; if( ai_direction[level][turn-1] < 2) { position = ram_[0x4D39]; } /*move joystick if necessary */ if(ai_location[level][turn] < 30) { if((ai_location[level][turn] < 10) && (ai_location[level][turn] > 0)) /* handle turns using ghosts eaten as basis for turn timing */ { if( ram_[0x4DD0] == ai_location[level][turn]) { ai_turn(level,turn); turn++; } } if( ram_[0x4D31] == (ai_location[level][turn] + 30)) /* handle turns using pinky's location as basis for turn timing */ { ai_turn(level,turn); turn++; } }else if( position == ai_location[level][turn] ) /* handle turns using pacman's location as basis for turn timing */ { ai_turn(level,turn); turn++; } } /* reset turn counter and joystick direction on level start */ if(ram_[0x4E0E] == 0 ) { /*levels that start facing right */ if((level != 4) && (level != 11) && (level != 7) && (level != 5) && (level != 9) && (level !=12)) clear_joystick(); else { clear_joystick(); setDeviceMode( Joy1_Right, DeviceOn); } return 1; } return turn; } #endif /* Runs the game engine for one frame. */ static int gameProc( void ) { int fps; int status; long end_time; int frame_counter = 0; int yield_counter = 0; #ifdef AI unsigned char turn = 250; #endif if (settings.sound) start_sound(); while (1) { /* Run the machine for one frame (1/60th second) */ run(); /*Make Pac-man invincible*/ #ifdef CHEATS if(ram_[0x4E6E]== 23) ram_[0x4DA5]=00; #endif frame_counter++; /* Check the button status */ status = rb->button_status(); rb->button_clear_queue(); #ifdef HAS_BUTTON_HOLD if (rb->button_hold()) status = PACMAN_MENU; #endif if ((status & PACMAN_MENU) == PACMAN_MENU #ifdef PACMAN_RC_MENU || status == PACMAN_RC_MENU #endif ) { bool menu_res; end_time = *rb->current_tick; stop_sound(); menu_res = pacbox_menu(); rb->lcd_clear_display(); #ifdef HAVE_REMOTE_LCD rb->lcd_remote_clear_display(); rb->lcd_remote_update(); #endif if (menu_res) return 1; if (settings.sound) start_sound(); start_time += *rb->current_tick-end_time; } #ifdef AI if(!settings.ai) { joystick(); turn = 250; } /* run ai */ if (settings.ai && !ram_[0x4E02]) turn = ai(turn); else joystick(); #else joystick(); #endif /* We only update the screen every third frame - Pacman's native framerate is 60fps, so we are attempting to display 20fps */ if (frame_counter == 60 / FPS) { frame_counter = 0; video_frames++; yield_counter ++; if (yield_counter == FPS) { yield_counter = 0; rb->yield (); } /* The following functions render the Pacman screen from the contents of the video and color ram. We first update the background, and then draw the Sprites on top. */ renderBackground( video_buffer ); renderSprites( video_buffer ); #if defined(HAVE_LCD_MODES) && (HAVE_LCD_MODES & LCD_MODE_PAL256) rb->lcd_blit_pal256( video_buffer, 0, 0, XOFS, YOFS, ScreenWidth, ScreenHeight); #else blit_display(lcd_fb ,video_buffer); #endif if (settings.showfps) { fps = (video_frames*HZ*100) / (*rb->current_tick-start_time); rb->lcd_putsxyf(0,0,"%d.%02d / %d fps ",fps/100,fps%100,FPS); } #if !defined(HAVE_LCD_MODES) || \ defined(HAVE_LCD_MODES) && !(HAVE_LCD_MODES & LCD_MODE_PAL256) rb->lcd_update(); #endif /* Keep the framerate at Pacman's 60fps */ end_time = start_time + (video_frames*HZ)/FPS; while (TIME_BEFORE(*rb->current_tick,end_time)) { rb->sleep(1); } } } stop_sound(); return 0; } enum plugin_status plugin_start(const void* parameter) { (void)parameter; #ifdef HAVE_ADJUSTABLE_CPU_FREQ rb->cpu_boost(true); #endif rb->lcd_set_backdrop(NULL); rb->lcd_set_foreground(LCD_WHITE); rb->lcd_set_background(LCD_BLACK); rb->lcd_clear_display(); rb->lcd_update(); struct viewport *vp_main = rb->lcd_set_viewport(NULL); lcd_fb = vp_main->buffer->fb_ptr; /* Set the default settings */ settings.difficulty = 0; /* Normal */ settings.numlives = 2; /* 3 lives */ settings.bonus = 0; /* 10000 points */ settings.ghostnames = 0; /* Normal names */ settings.showfps = 0; /* Do not show FPS */ settings.sound = 0; /* Sound off by default */ settings.ai = 0; /* AI off by default */ if (configfile_load(SETTINGS_FILENAME, config, sizeof(config)/sizeof(*config), SETTINGS_MIN_VERSION ) < 0) { /* If the loading failed, save a new config file (as the disk is already spinning) */ configfile_save(SETTINGS_FILENAME, config, sizeof(config)/sizeof(*config), SETTINGS_VERSION); } /* Keep a copy of the saved version of the settings - so we can check if the settings have changed when we quit */ old_settings = settings; #ifdef HAVE_BACKLIGHT /*Turn off backlight for ai*/ if(settings.ai) backlight_ignore_timeout(); #endif /* Initialise the hardware */ init_PacmanMachine(settings_to_dip(settings)); #if defined(HAVE_LCD_MODES) && (HAVE_LCD_MODES & LCD_MODE_PAL256) rb->lcd_set_mode(LCD_MODE_PAL256); #endif /* Load the romset */ if (loadROMS()) { start_time = *rb->current_tick-1; gameProc(); /* Save the user settings if they have changed */ if (rb->memcmp(&settings,&old_settings,sizeof(settings))!=0) { rb->splash(0, "Saving settings..."); configfile_save(SETTINGS_FILENAME, config, sizeof(config)/sizeof(*config), SETTINGS_VERSION); } } else { rb->splashf(HZ*2, "No ROMs in %s/pacman/", ROCKBOX_DIR); } #if defined(HAVE_LCD_MODES) && (HAVE_LCD_MODES & LCD_MODE_PAL256) rb->lcd_set_mode(LCD_MODE_RGB565); #endif #ifdef HAVE_ADJUSTABLE_CPU_FREQ rb->cpu_boost(false); #endif backlight_use_settings(); return PLUGIN_OK; }