/*************************************************************************** * __________ __ ___. * Open \______ \ ____ ____ | | _\_ |__ _______ ___ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ * \/ \/ \/ \/ \/ * $Id$ * * Copyright (C) 2005 Adam Boot * * Color graphics from Gweled (http://sebdelestaing.free.fr/gweled/) * * All files in this archive are subject to the GNU General Public License. * See the file COPYING in the source tree root for full license agreement. * * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY * KIND, either express or implied. * ****************************************************************************/ #include "plugin.h" #ifdef HAVE_LCD_BITMAP PLUGIN_HEADER /* button definitions, every keypad must only have directions & select */ #if CONFIG_KEYPAD == RECORDER_PAD #define JEWELS_UP BUTTON_UP #define JEWELS_DOWN BUTTON_DOWN #define JEWELS_LEFT BUTTON_LEFT #define JEWELS_RIGHT BUTTON_RIGHT #define JEWELS_SELECT BUTTON_PLAY #define JEWELS_CANCEL BUTTON_OFF #elif CONFIG_KEYPAD == ONDIO_PAD #define JEWELS_UP BUTTON_UP #define JEWELS_DOWN BUTTON_DOWN #define JEWELS_LEFT BUTTON_LEFT #define JEWELS_RIGHT BUTTON_RIGHT #define JEWELS_SELECT BUTTON_MENU #define JEWELS_CANCEL BUTTON_OFF #elif (CONFIG_KEYPAD == IRIVER_H100_PAD) || (CONFIG_KEYPAD == IRIVER_H300_PAD) #define JEWELS_UP BUTTON_UP #define JEWELS_DOWN BUTTON_DOWN #define JEWELS_LEFT BUTTON_LEFT #define JEWELS_RIGHT BUTTON_RIGHT #define JEWELS_SELECT BUTTON_SELECT #define JEWELS_CANCEL BUTTON_OFF #elif (CONFIG_KEYPAD == IPOD_3G_PAD) || (CONFIG_KEYPAD == IPOD_4G_PAD) #define JEWELS_SCROLLWHEEL #define JEWELS_UP BUTTON_MENU #define JEWELS_DOWN BUTTON_PLAY #define JEWELS_LEFT BUTTON_LEFT #define JEWELS_RIGHT BUTTON_RIGHT #define JEWELS_PREV BUTTON_SCROLL_BACK #define JEWELS_NEXT BUTTON_SCROLL_FWD #define JEWELS_SELECT BUTTON_SELECT #elif CONFIG_KEYPAD == IRIVER_IFP7XX_PAD #define JEWELS_UP BUTTON_UP #define JEWELS_DOWN BUTTON_DOWN #define JEWELS_LEFT BUTTON_LEFT #define JEWELS_RIGHT BUTTON_RIGHT #define JEWELS_SELECT BUTTON_SELECT #define JEWELS_CANCEL BUTTON_PLAY #elif CONFIG_KEYPAD == IAUDIO_X5_PAD #define JEWELS_UP BUTTON_UP #define JEWELS_DOWN BUTTON_DOWN #define JEWELS_LEFT BUTTON_LEFT #define JEWELS_RIGHT BUTTON_RIGHT #define JEWELS_SELECT BUTTON_SELECT #define JEWELS_CANCEL BUTTON_PLAY #elif CONFIG_KEYPAD == GIGABEAT_PAD #define JEWELS_UP BUTTON_UP #define JEWELS_DOWN BUTTON_DOWN #define JEWELS_LEFT BUTTON_LEFT #define JEWELS_RIGHT BUTTON_RIGHT #define JEWELS_SELECT BUTTON_SELECT #define JEWELS_CANCEL BUTTON_A #else #error JEWELS: Unsupported keypad #endif /* use 30x30 tiles (iPod Video) */ #if (LCD_HEIGHT == 240) && (LCD_WIDTH == 320) #define TILE_WIDTH 30 #define TILE_HEIGHT 30 #define YOFS 0 #define NUM_SCORES 10 /* use 22x22 tiles (H300, iPod Color) */ #elif ((LCD_HEIGHT == 176) && (LCD_WIDTH == 220)) || ((LCD_HEIGHT == 320) && (LCD_WIDTH == 240)) #define TILE_WIDTH 22 #define TILE_HEIGHT 22 #define YOFS 0 #define NUM_SCORES 10 /* use 16x16 tiles (iPod Nano) */ #elif (LCD_HEIGHT == 132) && (LCD_WIDTH == 176) #define TILE_WIDTH 16 #define TILE_HEIGHT 16 #define YOFS 4 #define NUM_SCORES 10 /* use 16x16 tiles (H100, iAudio X5, iPod 3G, iPod 4G grayscale) */ #elif (LCD_HEIGHT == 128) && (LCD_WIDTH == 160) #define TILE_WIDTH 16 #define TILE_HEIGHT 16 #define YOFS 0 #define NUM_SCORES 10 /* use 13x13 tiles (iPod Mini) */ #elif (LCD_HEIGHT == 110) && (LCD_WIDTH == 138) #define TILE_WIDTH 13 #define TILE_HEIGHT 13 #define YOFS 6 #define NUM_SCORES 10 /* use 10x8 tiles (iFP 700) */ #elif (LCD_HEIGHT == 64) && (LCD_WIDTH == 128) #define TILE_WIDTH 10 #define TILE_HEIGHT 8 #define YOFS 0 #define NUM_SCORES 8 /* use 10x8 tiles (Recorder, Ondio) */ #elif (LCD_HEIGHT == 64) && (LCD_WIDTH == 112) #define TILE_WIDTH 10 #define TILE_HEIGHT 8 #define YOFS 0 #define NUM_SCORES 8 #else #error JEWELS: Unsupported LCD #endif /* save files */ #define SCORE_FILE PLUGIN_DIR "/jewels.score" #define SAVE_FILE PLUGIN_DIR "/jewels.save" /* final game return status */ #define BJ_END 3 #define BJ_USB 2 #define BJ_QUIT 1 #define BJ_LOSE 0 /* swap directions */ #define SWAP_UP 0 #define SWAP_RIGHT 1 #define SWAP_DOWN 2 #define SWAP_LEFT 3 /* play board dimension */ #define BJ_HEIGHT 9 #define BJ_WIDTH 8 /* next level threshold */ #define LEVEL_PTS 100 /* animation frame rate */ #define MAX_FPS 20 /* menu values */ #define FONT_HEIGHT 8 #define MAX_MITEMS 5 #define MENU_WIDTH 100 /* menu results */ enum menu_result { MRES_NONE, MRES_NEW, MRES_SAVE, MRES_RESUME, MRES_SCORES, MRES_HELP, MRES_QUIT }; /* menu commands */ enum menu_cmd { MCMD_NONE, MCMD_NEXT, MCMD_PREV, MCMD_SELECT }; /* menus */ struct jewels_menu { char *title; bool hasframe; int selected; int itemcnt; struct jewels_menuitem { char *text; enum menu_result res; } items[MAX_MITEMS]; } bjmenu[] = { {"Jewels", false, 0, 5, {{"New Game", MRES_NEW}, {"Resume Game", MRES_RESUME}, {"High Scores", MRES_SCORES}, {"Help", MRES_HELP}, {"Quit", MRES_QUIT}}}, {"Menu", true, 0, 3, {{"Resume Game", MRES_RESUME}, {"Save Game", MRES_SAVE}, {"End Game", MRES_QUIT}}} }; /* global rockbox api */ static struct plugin_api* rb; /* external bitmaps */ extern const fb_data jewels[]; /* tile background colors */ #ifdef HAVE_LCD_COLOR static const unsigned jewels_bkgd[2] = { LCD_RGBPACK(104, 63, 63), LCD_RGBPACK(83, 44, 44) }; #endif /* the tile struct * type is the jewel number 0-7 * falling if the jewel is falling * delete marks the jewel for deletion */ struct tile { int type; bool falling; bool delete; }; /* the game context struct * score is the current level score * segments is the number of cleared segments in the current run * level is the current level * highscores is the list of high scores * resume denotes whether to resume the currently loaded game * dirty denotes whether the high scores are out of sync with the saved file * playboard is the game playing board (first row is hidden) */ struct game_context { unsigned int score; unsigned int segments; unsigned int level; unsigned int highscores[NUM_SCORES]; bool resume; bool dirty; struct tile playboard[BJ_HEIGHT][BJ_WIDTH]; }; /***************************************************************************** * jewels_init() initializes jewels data structures. ******************************************************************************/ static void jewels_init(struct game_context* bj) { /* seed the rand generator */ rb->srand(*rb->current_tick); /* check for resumed game */ if(bj->resume) { bj->resume = false; return; } /* reset scoring */ bj->level = 1; bj->score = 0; bj->segments = 0; /* clear playing board */ rb->memset(bj->playboard, 0, sizeof(bj->playboard)); } /***************************************************************************** * jewels_setcolors() set the foreground and background colors. ******************************************************************************/ static inline void jewels_setcolors(void) { #ifdef HAVE_LCD_COLOR rb->lcd_set_background(LCD_RGBPACK(49, 26, 26)); rb->lcd_set_foreground(LCD_RGBPACK(210, 181, 181)); #endif } /***************************************************************************** * jewels_drawboard() redraws the entire game board. ******************************************************************************/ static void jewels_drawboard(struct game_context* bj) { int i, j; int w, h; unsigned int tempscore; char *title = "Level"; char str[6]; tempscore = (bj->score>LEVEL_PTS ? LEVEL_PTS : bj->score); /* clear screen */ rb->lcd_clear_display(); /* draw separator lines */ rb->lcd_vline(BJ_WIDTH*TILE_WIDTH, 0, LCD_HEIGHT); rb->lcd_hline(BJ_WIDTH*TILE_WIDTH, LCD_WIDTH, 18); rb->lcd_hline(BJ_WIDTH*TILE_WIDTH, LCD_WIDTH, LCD_HEIGHT-10); /* dispay playing board */ for(i=0; ilcd_set_foreground(jewels_bkgd[(i+j)%2]); rb->lcd_fillrect(j*TILE_WIDTH, i*TILE_HEIGHT+YOFS, TILE_WIDTH, TILE_HEIGHT); rb->lcd_bitmap_transparent_part(jewels, 0, TILE_HEIGHT*(bj->playboard[i+1][j].type), TILE_WIDTH, j*TILE_WIDTH, i*TILE_HEIGHT+YOFS, TILE_WIDTH, TILE_HEIGHT); #else rb->lcd_bitmap_part(jewels, 0, TILE_HEIGHT*(bj->playboard[i+1][j].type), TILE_WIDTH, j*TILE_WIDTH, i*TILE_HEIGHT+YOFS, TILE_WIDTH, TILE_HEIGHT); #endif } } /* draw progress bar */ #ifdef HAVE_LCD_COLOR rb->lcd_set_foreground(LCD_RGBPACK(104, 63, 63)); #endif rb->lcd_fillrect(BJ_WIDTH*TILE_WIDTH+(LCD_WIDTH-BJ_WIDTH*TILE_WIDTH)/4, (LCD_HEIGHT-10)-(((LCD_HEIGHT-10)-18)* tempscore/LEVEL_PTS), (LCD_WIDTH-BJ_WIDTH*TILE_WIDTH)/2, ((LCD_HEIGHT-10)-18)*tempscore/LEVEL_PTS); #ifdef HAVE_LCD_COLOR rb->lcd_set_foreground(LCD_RGBPACK(83, 44, 44)); rb->lcd_drawrect(BJ_WIDTH*TILE_WIDTH+(LCD_WIDTH-BJ_WIDTH*TILE_WIDTH)/4+1, (LCD_HEIGHT-10)-(((LCD_HEIGHT-10)-18)* tempscore/LEVEL_PTS)+1, (LCD_WIDTH-BJ_WIDTH*TILE_WIDTH)/2-2, ((LCD_HEIGHT-10)-18)*tempscore/LEVEL_PTS-1); jewels_setcolors(); rb->lcd_drawrect(BJ_WIDTH*TILE_WIDTH+(LCD_WIDTH-BJ_WIDTH*TILE_WIDTH)/4, (LCD_HEIGHT-10)-(((LCD_HEIGHT-10)-18)* tempscore/LEVEL_PTS), (LCD_WIDTH-BJ_WIDTH*TILE_WIDTH)/2, ((LCD_HEIGHT-10)-18)*tempscore/LEVEL_PTS+1); #endif /* print text */ rb->lcd_getstringsize(title, &w, &h); rb->lcd_putsxy(LCD_WIDTH-(LCD_WIDTH-BJ_WIDTH*TILE_WIDTH)/2-w/2, 1, title); rb->snprintf(str, 4, "%d", bj->level); rb->lcd_getstringsize(str, &w, &h); rb->lcd_putsxy(LCD_WIDTH-(LCD_WIDTH-BJ_WIDTH*TILE_WIDTH)/2-w/2, 10, str); rb->snprintf(str, 6, "%d", (bj->level-1)*LEVEL_PTS+bj->score); rb->lcd_getstringsize(str, &w, &h); rb->lcd_putsxy(LCD_WIDTH-(LCD_WIDTH-BJ_WIDTH*TILE_WIDTH)/2-w/2, LCD_HEIGHT-8, str); rb->lcd_update(); } /***************************************************************************** * jewels_showmenu() displays the chosen menu after performing the chosen * menu command. ******************************************************************************/ static enum menu_result jewels_showmenu(struct jewels_menu* menu, enum menu_cmd cmd) { int i; int w, h; int firstline; int adj; /* handle menu command */ switch(cmd) { case MCMD_NEXT: menu->selected = (menu->selected+1)%menu->itemcnt; break; case MCMD_PREV: menu->selected = (menu->selected-1+menu->itemcnt)%menu->itemcnt; break; case MCMD_SELECT: return menu->items[menu->selected].res; default: break; } /* clear menu area */ firstline = (LCD_HEIGHT/FONT_HEIGHT-(menu->itemcnt+3))/2; rb->lcd_set_drawmode(DRMODE_SOLID|DRMODE_INVERSEVID); rb->lcd_fillrect((LCD_WIDTH-MENU_WIDTH)/2, firstline*FONT_HEIGHT, MENU_WIDTH, (menu->itemcnt+3)*FONT_HEIGHT); rb->lcd_set_drawmode(DRMODE_SOLID); if(menu->hasframe) { rb->lcd_drawrect((LCD_WIDTH-MENU_WIDTH)/2-1, firstline*FONT_HEIGHT-1, MENU_WIDTH+2, (menu->itemcnt+3)*FONT_HEIGHT+2); rb->lcd_hline((LCD_WIDTH-MENU_WIDTH)/2-1, (LCD_WIDTH-MENU_WIDTH)/2-1+MENU_WIDTH+2, (firstline+1)*FONT_HEIGHT); } /* draw menu items */ rb->lcd_getstringsize(menu->title, &w, &h); rb->lcd_putsxy((LCD_WIDTH-w)/2, firstline*FONT_HEIGHT, menu->title); for(i=0; iitemcnt; i++) { if(i == menu->selected) { rb->lcd_set_drawmode(DRMODE_SOLID|DRMODE_INVERSEVID); } rb->lcd_putsxy((LCD_WIDTH-MENU_WIDTH)/2, (firstline+i+2)*FONT_HEIGHT, menu->items[i].text); if(i == menu->selected) { rb->lcd_set_drawmode(DRMODE_SOLID); } } adj = (firstline == 0 ? 0 : 1); rb->lcd_update_rect((LCD_WIDTH-MENU_WIDTH)/2-1, firstline*FONT_HEIGHT-adj, MENU_WIDTH+2, (menu->itemcnt+3)*FONT_HEIGHT+2*adj); return MRES_NONE; } /***************************************************************************** * jewels_putjewels() makes the jewels fall to fill empty spots and adds * new random jewels at the empty spots at the top of each row. ******************************************************************************/ static void jewels_putjewels(struct game_context* bj){ int i, j, k; bool mark, done; long lasttick, currenttick; /* loop to make all the jewels fall */ while(true) { /* mark falling jewels and add new jewels to hidden top row*/ mark = false; done = true; for(j=0; jplayboard[1][j].type == 0) { bj->playboard[0][j].type = rb->rand()%7+1; } for(i=BJ_HEIGHT-2; i>=0; i--) { if(!mark && bj->playboard[i+1][j].type == 0) { mark = true; done = false; } if(mark) bj->playboard[i][j].falling = true; } /*if(bj->playboard[1][j].falling) { bj->playboard[0][j].type = rb->rand()%7+1; bj->playboard[0][j].falling = true; }*/ mark = false; } /* break if there are no falling jewels */ if(done) break; /* animate falling jewels */ lasttick = *rb->current_tick; for(k=1; k<=8; k++) { for(i=BJ_HEIGHT-2; i>=0; i--) { for(j=0; jplayboard[i][j].falling && bj->playboard[i][j].type != 0) { /* clear old position */ #ifdef HAVE_LCD_COLOR if(i == 0 && YOFS) { rb->lcd_set_foreground(rb->lcd_get_background()); } else { rb->lcd_set_foreground(jewels_bkgd[(i-1+j)%2]); } rb->lcd_fillrect(j*TILE_WIDTH, (i-1)*TILE_HEIGHT+YOFS, TILE_WIDTH, TILE_HEIGHT); if(bj->playboard[i+1][j].type == 0) { rb->lcd_set_foreground(jewels_bkgd[(i+j)%2]); rb->lcd_fillrect(j*TILE_WIDTH, i*TILE_HEIGHT+YOFS, TILE_WIDTH, TILE_HEIGHT); } #else rb->lcd_set_drawmode(DRMODE_SOLID|DRMODE_INVERSEVID); rb->lcd_fillrect(j*TILE_WIDTH, (i-1)*TILE_HEIGHT+YOFS, TILE_WIDTH, TILE_HEIGHT); if(bj->playboard[i+1][j].type == 0) { rb->lcd_fillrect(j*TILE_WIDTH, i*TILE_HEIGHT+YOFS, TILE_WIDTH, TILE_HEIGHT); } rb->lcd_set_drawmode(DRMODE_SOLID); #endif /* draw new position */ #ifdef HAVE_LCD_COLOR rb->lcd_bitmap_transparent_part(jewels, 0, TILE_HEIGHT*(bj->playboard[i][j].type), TILE_WIDTH, j*TILE_WIDTH, (i-1)*TILE_HEIGHT+YOFS+ ((((TILE_HEIGHT<<10)*k)/8)>>10), TILE_WIDTH, TILE_HEIGHT); #else rb->lcd_bitmap_part(jewels, 0, TILE_HEIGHT*(bj->playboard[i][j].type), TILE_WIDTH, j*TILE_WIDTH, (i-1)*TILE_HEIGHT+YOFS+ ((((TILE_HEIGHT<<10)*k)/8)>>10), TILE_WIDTH, TILE_HEIGHT); #endif } } } rb->lcd_update_rect(0, 0, TILE_WIDTH*8, LCD_HEIGHT); jewels_setcolors(); /* framerate limiting */ currenttick = *rb->current_tick; if(currenttick-lasttick < HZ/MAX_FPS) { rb->sleep((HZ/MAX_FPS)-(currenttick-lasttick)); } else { rb->yield(); } lasttick = currenttick; } /* shift jewels down */ for(j=0; j=1; i--) { if(bj->playboard[i-1][j].falling) { bj->playboard[i][j].type = bj->playboard[i-1][j].type; } } } /* clear out top row */ for(j=0; jplayboard[0][j].type = 0; } /* mark everything not falling */ for(i=0; iplayboard[i][j].falling = false; } } } } /***************************************************************************** * jewels_clearjewels() finds all the connected rows and columns and * calculates and returns the points earned. ******************************************************************************/ static unsigned int jewels_clearjewels(struct game_context* bj) { int i, j; int last, run; unsigned int points = 0; /* check for connected rows */ for(i=1; iplayboard[i][j].type == last && bj->playboard[i][j].type != 0) { run++; if(run == 3) { bj->segments++; points += bj->segments; bj->playboard[i][j].delete = true; bj->playboard[i][j-1].delete = true; bj->playboard[i][j-2].delete = true; } else if(run > 3) { points++; bj->playboard[i][j].delete = true; } } else { run = 1; last = bj->playboard[i][j].type; } } } /* check for connected columns */ for(j=0; jplayboard[i][j].type != 0 && bj->playboard[i][j].type == last) { run++; if(run == 3) { bj->segments++; points += bj->segments; bj->playboard[i][j].delete = true; bj->playboard[i-1][j].delete = true; bj->playboard[i-2][j].delete = true; } else if(run > 3) { points++; bj->playboard[i][j].delete = true; } } else { run = 1; last = bj->playboard[i][j].type; } } } /* clear deleted jewels */ for(i=1; iplayboard[i][j].delete) { bj->playboard[i][j].delete = false; bj->playboard[i][j].type = 0; } } } return points; } /***************************************************************************** * jewels_runboard() runs the board until it settles in a fixed state and * returns points earned. ******************************************************************************/ static unsigned int jewels_runboard(struct game_context* bj) { unsigned int points = 0; unsigned int ret; bj->segments = 0; while((ret = jewels_clearjewels(bj)) > 0) { points += ret; jewels_drawboard(bj); jewels_putjewels(bj); } return points; } /***************************************************************************** * jewels_swapjewels() swaps two jewels as long as it results in points and * returns points earned. ******************************************************************************/ static unsigned int jewels_swapjewels(struct game_context* bj, int x, int y, int direc) { int k; int horzmod, vertmod; int movelen = 0; bool undo = false; unsigned int points = 0; long lasttick, currenttick; /* check for invalid parameters */ if(x < 0 || x >= BJ_WIDTH || y < 0 || y >= BJ_HEIGHT-1 || direc < SWAP_UP || direc > SWAP_LEFT) { return 0; } /* check for invalid directions */ if((x == 0 && direc == SWAP_LEFT) || (x == BJ_WIDTH-1 && direc == SWAP_RIGHT) || (y == 0 && direc == SWAP_UP) || (y == BJ_HEIGHT-2 && direc == SWAP_DOWN)) { return 0; } /* set direction variables */ horzmod = 0; vertmod = 0; switch(direc) { case SWAP_UP: vertmod = -1; movelen = TILE_HEIGHT; break; case SWAP_RIGHT: horzmod = 1; movelen = TILE_WIDTH; break; case SWAP_DOWN: vertmod = 1; movelen = TILE_HEIGHT; break; case SWAP_LEFT: horzmod = -1; movelen = TILE_WIDTH; break; } while(true) { lasttick = *rb->current_tick; /* animate swapping jewels */ for(k=0; k<=8; k++) { /* clear old position */ #ifdef HAVE_LCD_COLOR rb->lcd_set_foreground(jewels_bkgd[(x+y)%2]); rb->lcd_fillrect(x*TILE_WIDTH, y*TILE_HEIGHT+YOFS, TILE_WIDTH, TILE_HEIGHT); rb->lcd_set_foreground(jewels_bkgd[(x+horzmod+y+vertmod)%2]); rb->lcd_fillrect((x+horzmod)*TILE_WIDTH, (y+vertmod)*TILE_HEIGHT+YOFS, TILE_WIDTH, TILE_HEIGHT); #else rb->lcd_set_drawmode(DRMODE_SOLID|DRMODE_INVERSEVID); rb->lcd_fillrect(x*TILE_WIDTH, y*TILE_HEIGHT+YOFS, TILE_WIDTH, TILE_HEIGHT); rb->lcd_fillrect((x+horzmod)*TILE_WIDTH, (y+vertmod)*TILE_HEIGHT+YOFS, TILE_WIDTH, TILE_HEIGHT); rb->lcd_set_drawmode(DRMODE_SOLID); #endif /* draw new position */ #ifdef HAVE_LCD_COLOR rb->lcd_bitmap_transparent_part(jewels, 0, TILE_HEIGHT*(bj->playboard [y+1+vertmod][x+horzmod].type), TILE_WIDTH, (x+horzmod)*TILE_WIDTH-horzmod* ((((movelen<<10)*k)/8)>>10), (y+vertmod)*TILE_HEIGHT-vertmod* ((((movelen<<10)*k)/8)>>10)+YOFS, TILE_WIDTH, TILE_HEIGHT); rb->lcd_bitmap_transparent_part(jewels, 0, TILE_HEIGHT*(bj->playboard[y+1][x].type), TILE_WIDTH, x*TILE_WIDTH+horzmod* ((((movelen<<10)*k)/8)>>10), y*TILE_HEIGHT+vertmod* ((((movelen<<10)*k)/8)>>10)+YOFS, TILE_WIDTH, TILE_HEIGHT); #else rb->lcd_bitmap_part(jewels, 0, TILE_HEIGHT*(bj->playboard [y+1+vertmod][x+horzmod].type), TILE_WIDTH, (x+horzmod)*TILE_WIDTH-horzmod* ((((movelen<<10)*k)/8)>>10), (y+vertmod)*TILE_HEIGHT-vertmod* ((((movelen<<10)*k)/8)>>10)+YOFS, TILE_WIDTH, TILE_HEIGHT); rb->lcd_set_drawmode(DRMODE_FG); rb->lcd_bitmap_part(jewels, 0, TILE_HEIGHT*(bj->playboard[y+1][x].type), TILE_WIDTH, x*TILE_WIDTH+horzmod* ((((movelen<<10)*k)/8)>>10), y*TILE_HEIGHT+vertmod* ((((movelen<<10)*k)/8)>>10)+YOFS, TILE_WIDTH, TILE_HEIGHT); rb->lcd_set_drawmode(DRMODE_SOLID); #endif rb->lcd_update_rect(0, 0, TILE_WIDTH*8, LCD_HEIGHT); jewels_setcolors(); /* framerate limiting */ currenttick = *rb->current_tick; if(currenttick-lasttick < HZ/MAX_FPS) { rb->sleep((HZ/MAX_FPS)-(currenttick-lasttick)); } else { rb->yield(); } lasttick = currenttick; } /* swap jewels */ int temp = bj->playboard[y+1][x].type; bj->playboard[y+1][x].type = bj->playboard[y+1+vertmod][x+horzmod].type; bj->playboard[y+1+vertmod][x+horzmod].type = temp; if(undo) break; points = jewels_runboard(bj); if(points == 0) { undo = true; } else { break; } } return points; } /***************************************************************************** * jewels_movesavail() uses pattern matching to see if there are any * available move left. ******************************************************************************/ static bool jewels_movesavail(struct game_context* bj) { int i, j; bool moves = false; int mytype; for(i=1; iplayboard[i][j].type; /* check horizontal patterns */ if(j <= BJ_WIDTH-3) { if(i > 1) { if(bj->playboard[i-1][j+1].type == mytype) { if(bj->playboard[i-1][j+2].type == mytype) {moves = true; break;} if(bj->playboard[i][j+2].type == mytype) {moves = true; break;} } if(bj->playboard[i][j+1].type == mytype) { if(bj->playboard[i-1][j+2].type == mytype) {moves = true; break;} } } if(j <= BJ_WIDTH-4) { if(bj->playboard[i][j+3].type == mytype) { if(bj->playboard[i][j+1].type == mytype) {moves = true; break;} if(bj->playboard[i][j+2].type == mytype) {moves = true; break;} } } if(i < BJ_HEIGHT-1) { if(bj->playboard[i][j+1].type == mytype) { if(bj->playboard[i+1][j+2].type == mytype) {moves = true; break;} } if(bj->playboard[i+1][j+1].type == mytype) { if(bj->playboard[i][j+2].type == mytype) {moves = true; break;} if(bj->playboard[i+1][j+2].type == mytype) {moves = true; break;} } } } /* check vertical patterns */ if(i <= BJ_HEIGHT-3) { if(j > 0) { if(bj->playboard[i+1][j-1].type == mytype) { if(bj->playboard[i+2][j-1].type == mytype) {moves = true; break;} if(bj->playboard[i+2][j].type == mytype) {moves = true; break;} } if(bj->playboard[i+1][j].type == mytype) { if(bj->playboard[i+2][j-1].type == mytype) {moves = true; break;} } } if(i <= BJ_HEIGHT-4) { if(bj->playboard[i+3][j].type == mytype) { if(bj->playboard[i+1][j].type == mytype) {moves = true; break;} if(bj->playboard[i+2][j].type == mytype) {moves = true; break;} } } if(j < BJ_WIDTH-1) { if(bj->playboard[i+1][j].type == mytype) { if(bj->playboard[i+2][j+1].type == mytype) {moves = true; break;} } if(bj->playboard[i+1][j+1].type == mytype) { if(bj->playboard[i+2][j].type == mytype) {moves = true; break;} if (bj->playboard[i+2][j+1].type == mytype) {moves = true; break;} } } } } if(moves) break; } return moves; } /***************************************************************************** * jewels_nextlevel() advances the game to the next level and returns * points earned. ******************************************************************************/ static unsigned int jewels_nextlevel(struct game_context* bj) { int i, x, y; unsigned int points = 0; /* roll over score, change and display level */ while(bj->score >= LEVEL_PTS) { bj->score -= LEVEL_PTS; bj->level++; rb->splash(HZ*2, true, "Level %d", bj->level); jewels_drawboard(bj); } /* randomly clear some jewels */ for(i=0; i<16; i++) { x = rb->rand()%8; y = rb->rand()%8; if(bj->playboard[y][x].type != 0) { points++; bj->playboard[y][x].type = 0; } } jewels_drawboard(bj); /* run the play board */ jewels_putjewels(bj); points += jewels_runboard(bj); return points; } /***************************************************************************** * jewels_recordscore() inserts a high score into the high scores list and * returns the high score position. ******************************************************************************/ static int jewels_recordscore(struct game_context* bj) { int i; int position = 0; unsigned int current, temp; /* calculate total score */ current = (bj->level-1)*LEVEL_PTS+bj->score; if(current <= 0) return 0; /* insert the current score into the high scores */ for(i=0; i= bj->highscores[i]) { if(!position) { position = i+1; bj->dirty = true; } temp = bj->highscores[i]; bj->highscores[i] = current; current = temp; } } return position; } /***************************************************************************** * jewels_loadscores() loads the high scores saved file. ******************************************************************************/ static void jewels_loadscores(struct game_context* bj) { int fd; bj->dirty = false; /* clear high scores */ rb->memset(bj->highscores, 0, sizeof(bj->highscores)); /* open scores file */ fd = rb->open(SCORE_FILE, O_RDONLY); if(fd < 0) return; /* read in high scores */ if(rb->read(fd, bj->highscores, sizeof(bj->highscores)) <= 0) { /* scores are bad, reset */ rb->memset(bj->highscores, 0, sizeof(bj->highscores)); } rb->close(fd); } /***************************************************************************** * jewels_savescores() saves the high scores saved file. ******************************************************************************/ static void jewels_savescores(struct game_context* bj) { int fd; /* write out the high scores to the save file */ fd = rb->open(SCORE_FILE, O_WRONLY|O_CREAT); rb->write(fd, bj->highscores, sizeof(bj->highscores)); rb->close(fd); bj->dirty = false; } /***************************************************************************** * jewels_loadgame() loads the saved game and returns load success. ******************************************************************************/ static bool jewels_loadgame(struct game_context* bj) { int fd; bool loaded = false; /* open game file */ fd = rb->open(SAVE_FILE, O_RDONLY); if(fd < 0) return loaded; /* read in saved game */ while(true) { if(rb->read(fd, &bj->score, sizeof(bj->score)) <= 0) break; if(rb->read(fd, &bj->level, sizeof(bj->level)) <= 0) break; if(rb->read(fd, bj->playboard, sizeof(bj->playboard)) <= 0) break; bj->resume = true; loaded = true; break; } rb->close(fd); /* delete saved file */ rb->remove(SAVE_FILE); return loaded; } /***************************************************************************** * jewels_savegame() saves the current game state. ******************************************************************************/ static void jewels_savegame(struct game_context* bj) { int fd; /* write out the game state to the save file */ fd = rb->open(SAVE_FILE, O_WRONLY|O_CREAT); rb->write(fd, &bj->score, sizeof(bj->score)); rb->write(fd, &bj->level, sizeof(bj->level)); rb->write(fd, bj->playboard, sizeof(bj->playboard)); rb->close(fd); bj->resume = true; } /***************************************************************************** * jewels_callback() is the default event handler callback which is called * on usb connect and shutdown. ******************************************************************************/ static void jewels_callback(void* param) { struct game_context* bj = (struct game_context*) param; if(bj->dirty) { rb->splash(HZ, true, "Saving high scores..."); jewels_savescores(bj); } } /***************************************************************************** * jewels_main() is the main game subroutine, it returns the final game status. ******************************************************************************/ static int jewels_main(struct game_context* bj) { int i, j; int w, h; int button; char str[18]; bool startgame = false; bool inmenu = false; bool selected = false; enum menu_cmd cmd = MCMD_NONE; enum menu_result res; /* the cursor coordinates */ int x=0, y=0; /* don't resume by default */ bj->resume = false; /******************** * menu * ********************/ rb->lcd_clear_display(); while(!startgame) { res = jewels_showmenu(&bjmenu[0], cmd); cmd = MCMD_NONE; rb->snprintf(str, 18, "High Score: %d", bj->highscores[0]); rb->lcd_getstringsize(str, &w, &h); rb->lcd_putsxy((LCD_WIDTH-w)/2, LCD_HEIGHT-8, str); rb->lcd_update(); switch(res) { case MRES_NEW: startgame = true; continue; case MRES_RESUME: if(!jewels_loadgame(bj)) { rb->splash(HZ*2, true, "Nothing to resume"); rb->lcd_clear_display(); } else { startgame = true; } continue; case MRES_SCORES: rb->lcd_clear_display(); /* room for a title? */ j = 0; if(LCD_HEIGHT-NUM_SCORES*8 >= 8) { rb->snprintf(str, 12, "%s", "High Scores"); rb->lcd_getstringsize(str, &w, &h); rb->lcd_putsxy((LCD_WIDTH-w)/2, 0, str); j = 2; } /* print high scores */ for(i=0; isnprintf(str, 11, "#%02d: %d", i+1, bj->highscores[i]); rb->lcd_puts(0, i+j, str); } rb->lcd_update(); while(true) { button = rb->button_get(true); if(button != BUTTON_NONE && !(button&BUTTON_REL)) break; } rb->lcd_clear_display(); continue; case MRES_HELP: /* welcome screen to display key bindings */ rb->lcd_clear_display(); rb->snprintf(str, 5, "%s", "Help"); rb->lcd_getstringsize(str, &w, &h); rb->lcd_putsxy((LCD_WIDTH-w)/2, 0, str); #if CONFIG_KEYPAD == RECORDER_PAD rb->lcd_puts(0, 2, "Controls:"); rb->lcd_puts(0, 3, "Directions = move"); rb->lcd_puts(0, 4, "PLAY = select"); rb->lcd_puts(0, 5, "Long PLAY = menu"); rb->lcd_puts(0, 6, "OFF = cancel"); #elif CONFIG_KEYPAD == ONDIO_PAD rb->lcd_puts(0, 2, "Controls:"); rb->lcd_puts(0, 3, "Directions = move"); rb->lcd_puts(0, 4, "MENU = select"); rb->lcd_puts(0, 5, "Long MENU = menu"); rb->lcd_puts(0, 6, "OFF = cancel"); #elif CONFIG_KEYPAD == IRIVER_IFP7XX_PAD rb->lcd_puts(0, 2, "Controls:"); rb->lcd_puts(0, 3, "Directions = move"); rb->lcd_puts(0, 4, "SELECT = select"); rb->lcd_puts(0, 5, "Long SELECT = menu"); rb->lcd_puts(0, 6, "PLAY = cancel"); #elif (CONFIG_KEYPAD == IRIVER_H100_PAD) || (CONFIG_KEYPAD == IRIVER_H300_PAD) rb->lcd_puts(0, 2, "Swap pairs of jewels to"); rb->lcd_puts(0, 3, "form connected segments"); rb->lcd_puts(0, 4, "of three or more of the"); rb->lcd_puts(0, 5, "same type."); rb->lcd_puts(0, 7, "Controls:"); rb->lcd_puts(0, 8, "Directions to move"); rb->lcd_puts(0, 9, "SELECT to select"); rb->lcd_puts(0, 10, "Long SELECT to show menu"); rb->lcd_puts(0, 11, "OFF to cancel"); #elif (CONFIG_KEYPAD == IPOD_3G_PAD) || (CONFIG_KEYPAD == IPOD_4G_PAD) rb->lcd_puts(0, 2, "Swap pairs of jewels to"); rb->lcd_puts(0, 3, "form connected segments"); rb->lcd_puts(0, 4, "of three or more of the"); rb->lcd_puts(0, 5, "same type."); rb->lcd_puts(0, 7, "Controls:"); rb->lcd_puts(0, 8, "Directions or scroll to move"); rb->lcd_puts(0, 9, "SELECT to select"); rb->lcd_puts(0, 10, "Long SELECT to show menu"); #elif CONFIG_KEYPAD == IAUDIO_X5_PAD rb->lcd_puts(0, 2, "Swap pairs of jewels to"); rb->lcd_puts(0, 3, "form connected segments"); rb->lcd_puts(0, 4, "of three or more of the"); rb->lcd_puts(0, 5, "same type."); rb->lcd_puts(0, 7, "Controls:"); rb->lcd_puts(0, 8, "Directions to move"); rb->lcd_puts(0, 9, "SELECT to select"); rb->lcd_puts(0, 10, "Long SELECT to show menu"); rb->lcd_puts(0, 11, "PLAY to cancel"); #elif CONFIG_KEYPAD == GIGABEAT_PAD rb->lcd_puts(0, 2, "Swap pairs of jewels to"); rb->lcd_puts(0, 3, "form connected segments"); rb->lcd_puts(0, 4, "of three or more of the"); rb->lcd_puts(0, 5, "same type."); rb->lcd_puts(0, 7, "Controls:"); rb->lcd_puts(0, 8, "Directions to move"); rb->lcd_puts(0, 9, "SELECT to select"); rb->lcd_puts(0, 10, "Long SELECT to show menu"); rb->lcd_puts(0, 11, "A to cancel"); #endif rb->lcd_update(); while(true) { button = rb->button_get(true); if(button != BUTTON_NONE && !(button&BUTTON_REL)) break; } rb->lcd_clear_display(); continue; case MRES_QUIT: return BJ_QUIT; default: break; } /* handle menu button presses */ button = rb->button_get(true); switch(button){ #ifdef JEWELS_SCROLLWHEEL case JEWELS_PREV: #endif case JEWELS_UP: case (JEWELS_UP|BUTTON_REPEAT): cmd = MCMD_PREV; break; #ifdef JEWELS_SCROLLWHEEL case JEWELS_NEXT: #endif case JEWELS_DOWN: case (JEWELS_DOWN|BUTTON_REPEAT): cmd = MCMD_NEXT; break; case JEWELS_SELECT: case JEWELS_RIGHT: cmd = MCMD_SELECT; break; #ifdef JEWELS_CANCEL case JEWELS_CANCEL: return BJ_QUIT; #endif default: if(rb->default_event_handler_ex(button, jewels_callback, (void*) bj) == SYS_USB_CONNECTED) return BJ_USB; break; } } /******************** * init * ********************/ jewels_init(bj); /******************** * setup the board * ********************/ jewels_drawboard(bj); jewels_putjewels(bj); bj->score += jewels_runboard(bj); if (!jewels_movesavail(bj)) return BJ_LOSE; /********************** * play * **********************/ while(true) { if(!inmenu) { /* refresh the board */ jewels_drawboard(bj); /* display the cursor */ if(selected) { rb->lcd_set_drawmode(DRMODE_COMPLEMENT); rb->lcd_fillrect(x*TILE_WIDTH, y*TILE_HEIGHT+YOFS, TILE_WIDTH, TILE_HEIGHT); rb->lcd_set_drawmode(DRMODE_SOLID); } else { rb->lcd_drawrect(x*TILE_WIDTH, y*TILE_HEIGHT+YOFS, TILE_WIDTH, TILE_HEIGHT); } rb->lcd_update_rect(x*TILE_WIDTH, y*TILE_HEIGHT+YOFS, TILE_WIDTH, TILE_HEIGHT); } else { res = jewels_showmenu(&bjmenu[1], cmd); cmd = MCMD_NONE; switch(res) { case MRES_RESUME: inmenu = false; selected = false; continue; case MRES_SAVE: rb->splash(HZ, true, "Saving game..."); jewels_savegame(bj); return BJ_END; case MRES_QUIT: return BJ_END; default: break; } } /* handle game button presses */ button = rb->button_get(true); switch(button){ case JEWELS_LEFT: /* move cursor left */ case (JEWELS_LEFT|BUTTON_REPEAT): if(selected) { bj->score += jewels_swapjewels(bj, x, y, SWAP_LEFT); selected = false; if (!jewels_movesavail(bj)) return BJ_LOSE; } else { x = (x+BJ_WIDTH-1)%BJ_WIDTH; } break; case JEWELS_RIGHT: /* move cursor right */ case (JEWELS_RIGHT|BUTTON_REPEAT): if(!inmenu) { if(selected) { bj->score += jewels_swapjewels(bj, x, y, SWAP_RIGHT); selected = false; if (!jewels_movesavail(bj)) return BJ_LOSE; } else { x = (x+1)%BJ_WIDTH; } } else { cmd = MCMD_SELECT; } break; case JEWELS_DOWN: /* move cursor down */ case (JEWELS_DOWN|BUTTON_REPEAT): if(!inmenu) { if(selected) { bj->score += jewels_swapjewels(bj, x, y, SWAP_DOWN); selected = false; if (!jewels_movesavail(bj)) return BJ_LOSE; } else { y = (y+1)%(BJ_HEIGHT-1); } } else { cmd = MCMD_NEXT; } break; case JEWELS_UP: /* move cursor up */ case (JEWELS_UP|BUTTON_REPEAT): if(!inmenu) { if(selected) { bj->score += jewels_swapjewels(bj, x, y, SWAP_UP); selected = false; if (!jewels_movesavail(bj)) return BJ_LOSE; } else { y = (y+(BJ_HEIGHT-1)-1)%(BJ_HEIGHT-1); } } else { cmd = MCMD_PREV; } break; #ifdef JEWELS_SCROLLWHEEL case JEWELS_PREV: /* scroll backwards */ case (JEWELS_PREV|BUTTON_REPEAT): if(!inmenu) { if(!selected) { if(x == 0) { y = (y+(BJ_HEIGHT-1)-1)%(BJ_HEIGHT-1); } x = (x+BJ_WIDTH-1)%BJ_WIDTH; } } else { cmd = MCMD_PREV; } break; case JEWELS_NEXT: /* scroll forwards */ case (JEWELS_NEXT|BUTTON_REPEAT): if(!inmenu) { if(!selected) { if(x == BJ_WIDTH-1) { y = (y+1)%(BJ_HEIGHT-1); } x = (x+1)%BJ_WIDTH; } } else { cmd = MCMD_NEXT; } break; #endif case JEWELS_SELECT: /* toggle selected */ if(!inmenu) { selected = !selected; } else { cmd = MCMD_SELECT; } break; case (JEWELS_SELECT|BUTTON_REPEAT): /* show menu */ if(!inmenu) inmenu = true; break; #ifdef JEWELS_CANCEL case JEWELS_CANCEL: /* toggle menu */ inmenu = !inmenu; selected = false; break; #endif default: if(rb->default_event_handler_ex(button, jewels_callback, (void*) bj) == SYS_USB_CONNECTED) return BJ_USB; break; } if(bj->score >= LEVEL_PTS) bj->score = jewels_nextlevel(bj); } } /***************************************************************************** * plugin entry point. ******************************************************************************/ enum plugin_status plugin_start(struct plugin_api* api, void* parameter) { struct game_context bj; bool exit = false; int position; char str[19]; /* plugin init */ (void)parameter; rb = api; /* end of plugin init */ /* load high scores */ jewels_loadscores(&bj); rb->lcd_setfont(FONT_SYSFIXED); jewels_setcolors(); while(!exit) { switch(jewels_main(&bj)){ case BJ_LOSE: rb->splash(HZ*2, true, "No more moves!"); /* fall through to BJ_END */ case BJ_END: if(!bj.resume) { if((position = jewels_recordscore(&bj))) { rb->snprintf(str, 19, "New high score #%d!", position); rb->splash(HZ*2, true, str); } } break; case BJ_USB: rb->lcd_setfont(FONT_UI); return PLUGIN_USB_CONNECTED; case BJ_QUIT: if(bj.dirty) { rb->splash(HZ, true, "Saving high scores..."); jewels_savescores(&bj); } exit = true; break; default: break; } } rb->lcd_setfont(FONT_UI); return PLUGIN_OK; } #endif /* HAVE_LCD_BITMAP */