Index: tetris.c =================================================================== RCS file: /cvsroot/rockbox/apps/plugins/tetris.c,v retrieving revision 1.1 diff -u -r1.1 tetris.c --- tetris.c 29 Jun 2003 16:33:04 -0000 1.1 +++ tetris.c 25 Aug 2003 22:34:33 -0000 @@ -1,423 +1,423 @@ -/*************************************************************************** - * __________ __ ___. - * Open \______ \ ____ ____ | | _\_ |__ _______ ___ - * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / - * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < - * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ - * \/ \/ \/ \/ \/ - * $Id: tetris.c,v 1.1 2003/06/29 16:33:04 zagor Exp $ - * - * Copyright (C) 1999 Mattis Wadman (nappe@sudac.org) - * - * Heavily modified for embedded use by Björn Stenberg (bjorn@haxx.se) - * - * 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 - -#define TETRIS_TITLE "Tetris!" -#define TETRIS_TITLE_FONT 1 -#define TETRIS_TITLE_XLOC 43 -#define TETRIS_TITLE_YLOC 15 - -static const int start_x = 5; -static const int start_y = 5; -static const int max_x = 4 * 17; -static const int max_y = 3 * 10; -static const short level_speeds[10] = { - 1000, 900, 800, 700, 600, 500, 400, 300, 250, 200 -}; -static const int blocks = 7; -static const int block_frames[7] = {1,2,2,2,4,4,4}; - -static int current_x, current_y, current_f, current_b; -static int level, score; -static int next_b, next_f; -static short lines; -static char virtual[LCD_WIDTH * LCD_HEIGHT]; -static struct plugin_api* rb; - -/* - block_data is built up the following way - - first array index specifies the block number - second array index specifies the rotation of the block - third array index specifies: - 0: x-coordinates of pixels - 1: y-coordinates of pixels - fourth array index specifies the coordinate of a pixel - - each block consists of four pixels whose relative coordinates are given - with block_data -*/ - -static const char block_data[7][4][2][4] = -{ - { - {{0,1,0,1},{0,0,1,1}} - }, - { - {{0,1,1,2},{1,1,0,0}}, - {{0,0,1,1},{0,1,1,2}} - }, - { - {{0,1,1,2},{0,0,1,1}}, - {{1,1,0,0},{0,1,1,2}} - }, - { - {{1,1,1,1},{0,1,2,3}}, - {{0,1,2,3},{2,2,2,2}} - }, - { - {{1,1,1,2},{2,1,0,0}}, - {{0,1,2,2},{1,1,1,2}}, - {{0,1,1,1},{2,2,1,0}}, - {{0,0,1,2},{0,1,1,1}} - }, - { - {{0,1,1,1},{0,0,1,2}}, - {{0,1,2,2},{1,1,1,0}}, - {{1,1,1,2},{0,1,2,2}}, - {{0,0,1,2},{2,1,1,1}} - }, - { - {{1,0,1,2},{0,1,1,1}}, - {{2,1,1,1},{1,0,1,2}}, - {{1,0,1,2},{2,1,1,1}}, - {{0,1,1,1},{1,0,1,2}} - } -}; - -static int t_rand(int range) -{ - return *rb->current_tick % range; -} - -static void draw_frame(int fstart_x,int fstop_x,int fstart_y,int fstop_y) -{ - rb->lcd_drawline(fstart_x, fstart_y, fstop_x, fstart_y); - rb->lcd_drawline(fstart_x, fstop_y, fstop_x, fstop_y); - - rb->lcd_drawline(fstart_x, fstart_y, fstart_x, fstop_y); - rb->lcd_drawline(fstop_x, fstart_y, fstop_x, fstop_y); - - rb->lcd_drawline(fstart_x - 1, fstart_y + 1, fstart_x - 1, fstop_y + 1); - rb->lcd_drawline(fstart_x - 1, fstop_y + 1, fstop_x - 1, fstop_y + 1); -} - -static void draw_block(int x, int y, int block, int frame, bool clear) -{ - int i, a, b; - for(i=0;i < 4;i++) { - if (clear) - { - for (a = 0; a < 3; a++) - for (b = 0; b < 4; b++) - rb->lcd_clearpixel(start_x + x + block_data[block][frame][1][i] * 4 - b, - start_y + y + block_data[block][frame][0][i] * 3 + a); - } - else - { - for (a = 0; a < 3; a++) - for (b = 0; b < 4; b++) - rb->lcd_drawpixel(start_x+x+block_data[block][frame][1][i] * 4 - b, - start_y+y+block_data[block][frame][0][i] * 3 + a); - } - } -} - -static void to_virtual(void) -{ - int i, a, b; - - for(i = 0; i < 4; i++) - for (a = 0; a < 3; a++) - for (b = 0; b < 4; b++) - *(virtual + - (current_y + block_data[current_b][current_f][0][i] * 3 + a) * - max_x + current_x + block_data[current_b][current_f][1][i] * - 4 - b) = current_b + 1; -} - -static bool block_touch (int x, int y) -{ - int a,b; - for (a = 0; a < 4; a++) - for (b = 0; b < 3; b++) - if (*(virtual + (y + b) * max_x + (x - a)) != 0) - return true; - return false; -} - -static bool gameover(void) -{ - int i; - int frame, block, y, x; - - x = current_x; - y = current_y; - block = current_b; - frame = current_f; - - for(i = 0; i < 4; i++){ - /* Do we have blocks touching? */ - if(block_touch(x + block_data[block][frame][1][i] * 4, - y + block_data[block][frame][0][i] * 3)) - { - /* Are we at the top of the frame? */ - if(x + block_data[block][frame][1][i] * 4 >= max_x - 16) - { - /* Game over ;) */ - return true; - } - } - } - return false; -} - -static bool valid_position(int x, int y, int block, int frame) -{ - int i; - for(i=0;i < 4;i++) - if ((y + block_data[block][frame][0][i] * 3 > max_y - 3) || - (x + block_data[block][frame][1][i] * 4 > max_x - 4) || - (y + block_data[block][frame][0][i] * 3 < 0) || - (x + block_data[block][frame][1][i] * 4 < 4) || - block_touch (x + block_data[block][frame][1][i] * 4, - y + block_data[block][frame][0][i] * 3)) - { - return false; - } - return true; -} - -static void from_virtual(void) -{ - int x,y; - for(y = 0; y < max_y; y++) - for(x = 1; x < max_x - 1; x++) - if(*(virtual + (y * max_x) + x) != 0) - rb->lcd_drawpixel(start_x + x, start_y + y); - else - rb->lcd_clearpixel(start_x + x, start_y + y); -} - -static void move_block(int x,int y,int f) -{ - int last_frame = current_f; - if(f != 0) - { - current_f += f; - if(current_f > block_frames[current_b]-1) - current_f = 0; - if(current_f < 0) - current_f = block_frames[current_b]-1; - } - - if(valid_position(current_x + x, current_y + y, current_b, current_f)) - { - draw_block(current_x,current_y,current_b,last_frame,true); - current_x += x; - current_y += y; - draw_block(current_x,current_y,current_b,current_f,false); - rb->lcd_update(); - } - else - current_f = last_frame; -} - -static void new_block(void) -{ - current_b = next_b; - current_f = next_f; - current_x = max_x - 16; - current_y = (int)12; - next_b = t_rand(blocks); - next_f = t_rand(block_frames[next_b]); - - rb->lcd_drawline (max_x + 7, start_y - 1, max_x + 29, start_y - 1); - rb->lcd_drawline (max_x + 29, start_y, max_x + 29, start_y + 14); - rb->lcd_drawline (max_x + 29, start_y + 14, max_x + 7, start_y + 14); - rb->lcd_drawline (max_x + 7, start_y + 14, max_x + 7, start_y - 1); - rb->lcd_drawline (max_x + 6, start_y + 15, max_x + 6, start_y); - rb->lcd_drawline (max_x + 6, start_y + 15, max_x + 28, start_y + 15); - - draw_block(max_x + 9, start_y - 4, current_b, current_f, true); - draw_block(max_x + 9, start_y - 4, next_b, next_f, false); - if(!valid_position(current_x, current_y, current_b, current_f)) - { - draw_block(current_x, current_y, current_b, current_f, false); - rb->lcd_update(); - } - else - draw_block(current_x, current_y, current_b, current_f, false); -} - -static int check_lines(void) -{ - int x,y,i,j; - bool line; - int lines = 0; - for(x = 0; x < max_x; x++) - { - line = true; - for(y = 0; y < max_y; y++) - { - if(*(virtual + y * max_x + x) == 0) - { - line = false; - break; - } - } - - if(line) - { - lines++; - /* move rows down */ - for(i = x; i < max_x - 1; i++) - for (j = 0; j < max_y; j++) - *(virtual + j * max_x + i)=*(virtual + j * max_x + (i + 1)); - - x--; /* re-check this line */ - } - } - - return lines / 4; -} - -static void move_down(void) -{ - int l; - char s[25]; - - if(!valid_position(current_x - 4, current_y, current_b, current_f)) - { - to_virtual(); - l = check_lines(); - if(l) - { - lines += l; - level = (int)lines/10; - if(level > 9) - level = 9; - from_virtual(); - score += l*l; - } - - rb->snprintf(s, sizeof(s), "%d Rows - Level %d", lines, level); - rb->lcd_putsxy(2, 42, s); - - new_block(); - move_block(0,0,0); - } - else - move_block(-4,0,0); -} - -static int game_loop(void) -{ - while(1) - { - int count = 0; - while(count * 300 < level_speeds[level]) - { - switch(rb->button_get_w_tmo(HZ/10)) - { - case BUTTON_OFF: - return PLUGIN_OK; - - case BUTTON_UP: - case BUTTON_UP | BUTTON_REPEAT: - move_block(0,-3,0); - break; - - case BUTTON_DOWN: - case BUTTON_DOWN | BUTTON_REPEAT: - move_block(0,3,0); - break; - - case BUTTON_RIGHT: - case BUTTON_RIGHT | BUTTON_REPEAT: - move_block(0,0,1); - break; - - case BUTTON_LEFT: - case BUTTON_LEFT | BUTTON_REPEAT: - move_down(); - break; - - case SYS_USB_CONNECTED: - rb->usb_screen(); - return PLUGIN_USB_CONNECTED; - } - - count++; - } - - if(gameover()) - { - rb->lcd_clearrect(0, 52, LCD_WIDTH, LCD_HEIGHT - 52); - rb->lcd_putsxy(2, 52, "You lose!"); - rb->lcd_update(); - rb->sleep(HZ * 3); - return false; - } - - move_down(); - } - - return false; -} - -static void init_tetris(void) -{ - rb->memset(&virtual, 0, sizeof(virtual)); - - current_x = 0; - current_y = 0; - current_f = 0; - current_b = 0; - level = 0; - lines = 0; - score = 0; - next_b = 0; - next_f = 0; -} - -enum plugin_status plugin_start(struct plugin_api* api, void* parameter) -{ - int ret; - - TEST_PLUGIN_API(api); - - (void)parameter; - rb = api; - - /* Lets use the default font */ - rb->lcd_setfont(FONT_SYSFIXED); - - init_tetris(); - - draw_frame(start_x, start_x + max_x - 1, start_y - 1, start_y + max_y); - rb->lcd_putsxy(2, 42, "0 Rows - Level 0"); - rb->lcd_update(); - - next_b = t_rand(blocks); - next_f = t_rand(block_frames[next_b]); - new_block(); - ret = game_loop(); - - rb->lcd_setfont(FONT_UI); - - return ret; -} - -#endif - +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id: tetris.c,v 1.1 2003/06/29 16:33:04 zagor Exp $ + * + * Copyright (C) 1999 Mattis Wadman (nappe@sudac.org) + * + * Heavily modified for embedded use by Björn Stenberg (bjorn@haxx.se) + * + * 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 + +#define TETRIS_TITLE "Tetris!" +#define TETRIS_TITLE_FONT 1 +#define TETRIS_TITLE_XLOC 43 +#define TETRIS_TITLE_YLOC 15 + +static const int start_x = 5; +static const int start_y = 5; +static const int max_x = 4 * 17; +static const int max_y = 3 * 10; +static const short level_speeds[10] = { + 2500, 2000, 1500, 1000, 900, 800, 700, 600, 500, 400 +}; +static const int blocks = 7; +static const int block_frames[7] = {1,2,2,2,4,4,4}; + +static int current_x, current_y, current_f, current_b; +static int level, score; +static int next_b, next_f; +static short lines; +static char virtual[LCD_WIDTH * LCD_HEIGHT]; +static struct plugin_api* rb; + +/* + block_data is built up the following way + + first array index specifies the block number + second array index specifies the rotation of the block + third array index specifies: + 0: x-coordinates of pixels + 1: y-coordinates of pixels + fourth array index specifies the coordinate of a pixel + + each block consists of four pixels whose relative coordinates are given + with block_data +*/ + +static const char block_data[7][4][2][4] = +{ + { + {{0,1,0,1},{0,0,1,1}} + }, + { + {{0,1,1,2},{1,1,0,0}}, + {{0,0,1,1},{0,1,1,2}} + }, + { + {{0,1,1,2},{0,0,1,1}}, + {{1,1,0,0},{0,1,1,2}} + }, + { + {{1,1,1,1},{0,1,2,3}}, + {{0,1,2,3},{2,2,2,2}} + }, + { + {{1,1,1,2},{2,1,0,0}}, + {{0,1,2,2},{1,1,1,2}}, + {{0,1,1,1},{2,2,1,0}}, + {{0,0,1,2},{0,1,1,1}} + }, + { + {{0,1,1,1},{0,0,1,2}}, + {{0,1,2,2},{1,1,1,0}}, + {{1,1,1,2},{0,1,2,2}}, + {{0,0,1,2},{2,1,1,1}} + }, + { + {{1,0,1,2},{0,1,1,1}}, + {{2,1,1,1},{1,0,1,2}}, + {{1,0,1,2},{2,1,1,1}}, + {{0,1,1,1},{1,0,1,2}} + } +}; + +static int t_rand(int range) +{ + return *rb->current_tick % range; +} + +static void draw_frame(int fstart_x,int fstop_x,int fstart_y,int fstop_y) +{ + rb->lcd_drawline(fstart_x, fstart_y, fstop_x, fstart_y); + rb->lcd_drawline(fstart_x, fstop_y, fstop_x, fstop_y); + + rb->lcd_drawline(fstart_x, fstart_y, fstart_x, fstop_y); + rb->lcd_drawline(fstop_x, fstart_y, fstop_x, fstop_y); + + rb->lcd_drawline(fstart_x - 1, fstart_y + 1, fstart_x - 1, fstop_y + 1); + rb->lcd_drawline(fstart_x - 1, fstop_y + 1, fstop_x - 1, fstop_y + 1); +} + +static void draw_block(int x, int y, int block, int frame, bool clear) +{ + int i, a, b; + for(i=0;i < 4;i++) { + if (clear) + { + for (a = 0; a < 3; a++) + for (b = 0; b < 4; b++) + rb->lcd_clearpixel(start_x + x + block_data[block][frame][1][i] * 4 - b, + start_y + y + block_data[block][frame][0][i] * 3 + a); + } + else + { + for (a = 0; a < 3; a++) + for (b = 0; b < 4; b++) + rb->lcd_drawpixel(start_x+x+block_data[block][frame][1][i] * 4 - b, + start_y+y+block_data[block][frame][0][i] * 3 + a); + } + } +} + +static void to_virtual(void) +{ + int i, a, b; + + for(i = 0; i < 4; i++) + for (a = 0; a < 3; a++) + for (b = 0; b < 4; b++) + *(virtual + + (current_y + block_data[current_b][current_f][0][i] * 3 + a) * + max_x + current_x + block_data[current_b][current_f][1][i] * + 4 - b) = current_b + 1; +} + +static bool block_touch (int x, int y) +{ + int a,b; + for (a = 0; a < 4; a++) + for (b = 0; b < 3; b++) + if (*(virtual + (y + b) * max_x + (x - a)) != 0) + return true; + return false; +} + +static bool gameover(void) +{ + int i; + int frame, block, y, x; + + x = current_x; + y = current_y; + block = current_b; + frame = current_f; + + for(i = 0; i < 4; i++){ + /* Do we have blocks touching? */ + if(block_touch(x + block_data[block][frame][1][i] * 4, + y + block_data[block][frame][0][i] * 3)) + { + /* Are we at the top of the frame? */ + if(x + block_data[block][frame][1][i] * 4 >= max_x - 16) + { + /* Game over ;) */ + return true; + } + } + } + return false; +} + +static bool valid_position(int x, int y, int block, int frame) +{ + int i; + for(i=0;i < 4;i++) + if ((y + block_data[block][frame][0][i] * 3 > max_y - 3) || + (x + block_data[block][frame][1][i] * 4 > max_x - 4) || + (y + block_data[block][frame][0][i] * 3 < 0) || + (x + block_data[block][frame][1][i] * 4 < 4) || + block_touch (x + block_data[block][frame][1][i] * 4, + y + block_data[block][frame][0][i] * 3)) + { + return false; + } + return true; +} + +static void from_virtual(void) +{ + int x,y; + for(y = 0; y < max_y; y++) + for(x = 1; x < max_x - 1; x++) + if(*(virtual + (y * max_x) + x) != 0) + rb->lcd_drawpixel(start_x + x, start_y + y); + else + rb->lcd_clearpixel(start_x + x, start_y + y); +} + +static void move_block(int x,int y,int f) +{ + int last_frame = current_f; + if(f != 0) + { + current_f += f; + if(current_f > block_frames[current_b]-1) + current_f = 0; + if(current_f < 0) + current_f = block_frames[current_b]-1; + } + + if(valid_position(current_x + x, current_y + y, current_b, current_f)) + { + draw_block(current_x,current_y,current_b,last_frame,true); + current_x += x; + current_y += y; + draw_block(current_x,current_y,current_b,current_f,false); + rb->lcd_update(); + } + else + current_f = last_frame; +} + +static void new_block(void) +{ + current_b = next_b; + current_f = next_f; + current_x = max_x - 16; + current_y = (int)12; + next_b = t_rand(blocks); + next_f = t_rand(block_frames[next_b]); + + rb->lcd_drawline (max_x + 7, start_y - 1, max_x + 29, start_y - 1); + rb->lcd_drawline (max_x + 29, start_y, max_x + 29, start_y + 14); + rb->lcd_drawline (max_x + 29, start_y + 14, max_x + 7, start_y + 14); + rb->lcd_drawline (max_x + 7, start_y + 14, max_x + 7, start_y - 1); + rb->lcd_drawline (max_x + 6, start_y + 15, max_x + 6, start_y); + rb->lcd_drawline (max_x + 6, start_y + 15, max_x + 28, start_y + 15); + + draw_block(max_x + 9, start_y - 4, current_b, current_f, true); + draw_block(max_x + 9, start_y - 4, next_b, next_f, false); + if(!valid_position(current_x, current_y, current_b, current_f)) + { + draw_block(current_x, current_y, current_b, current_f, false); + rb->lcd_update(); + } + else + draw_block(current_x, current_y, current_b, current_f, false); +} + +static int check_lines(void) +{ + int x,y,i,j; + bool line; + int lines = 0; + for(x = 0; x < max_x; x++) + { + line = true; + for(y = 0; y < max_y; y++) + { + if(*(virtual + y * max_x + x) == 0) + { + line = false; + break; + } + } + + if(line) + { + lines++; + /* move rows down */ + for(i = x; i < max_x - 1; i++) + for (j = 0; j < max_y; j++) + *(virtual + j * max_x + i)=*(virtual + j * max_x + (i + 1)); + + x--; /* re-check this line */ + } + } + + return lines / 4; +} + +static void move_down(void) +{ + int l; + char s[25]; + + if(!valid_position(current_x - 4, current_y, current_b, current_f)) + { + to_virtual(); + l = check_lines(); + if(l) + { + lines += l; + level = (int)lines/10; + if(level > 9) + level = 9; + from_virtual(); + score += l*l; + } + + rb->snprintf(s, sizeof(s), "%d Rows - Level %d", lines, level); + rb->lcd_putsxy(2, 42, s); + + new_block(); + move_block(0,0,0); + } + else + move_block(-4,0,0); +} + +static int game_loop(void) +{ + while(1) + { + int count = 0; + while(count * 300 < level_speeds[level]) + { + switch(rb->button_get_w_tmo(HZ/10)) + { + case BUTTON_OFF: + return PLUGIN_OK; + + case BUTTON_UP: + case BUTTON_UP | BUTTON_REPEAT: + move_block(0,-3,0); + break; + + case BUTTON_DOWN: + case BUTTON_DOWN | BUTTON_REPEAT: + move_block(0,3,0); + break; + + case BUTTON_RIGHT: + case BUTTON_RIGHT | BUTTON_REPEAT: + move_block(0,0,1); + break; + + case BUTTON_LEFT: + case BUTTON_LEFT | BUTTON_REPEAT: + move_down(); + break; + + case SYS_USB_CONNECTED: + rb->usb_screen(); + return PLUGIN_USB_CONNECTED; + } + + count++; + } + + if(gameover()) + { + rb->lcd_clearrect(0, 52, LCD_WIDTH, LCD_HEIGHT - 52); + rb->lcd_putsxy(2, 52, "You lose!"); + rb->lcd_update(); + rb->sleep(HZ * 3); + return false; + } + + move_down(); + } + + return false; +} + +static void init_tetris(void) +{ + rb->memset(&virtual, 0, sizeof(virtual)); + + current_x = 0; + current_y = 0; + current_f = 0; + current_b = 0; + level = 0; + lines = 0; + score = 0; + next_b = 0; + next_f = 0; +} + +enum plugin_status plugin_start(struct plugin_api* api, void* parameter) +{ + int ret; + + TEST_PLUGIN_API(api); + + (void)parameter; + rb = api; + + /* Lets use the default font */ + rb->lcd_setfont(FONT_SYSFIXED); + + init_tetris(); + + draw_frame(start_x, start_x + max_x - 1, start_y - 1, start_y + max_y); + rb->lcd_putsxy(2, 42, "0 Rows - Level 0"); + rb->lcd_update(); + + next_b = t_rand(blocks); + next_f = t_rand(block_frames[next_b]); + new_block(); + ret = game_loop(); + + rb->lcd_setfont(FONT_UI); + + return ret; +} + +#endif +