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rockbox/apps/plugins/snake2.c
Daniel Stenberg 2acc0ac542 Updated our source code header to explicitly mention that we are GPL v2 or 
later. We still need to hunt down snippets used that are not. 1324 modified
files...
http://www.rockbox.org/mail/archive/rockbox-dev-archive-2008-06/0060.shtml


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17847 a1c6a512-1295-4272-9138-f99709370657
2008-06-28 18:10:04 +00:00

1446 lines
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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2003 Mat Holton
*
* 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.
*
****************************************************************************/
/*
Snake2!
Board consists of a WIDTHxHEIGHT grid. If board element is 0 then nothing is
there otherwise it is part of the snake or a wall.
Head and Tail are stored
*/
#include "plugin.h"
#ifdef HAVE_LCD_BITMAP
PLUGIN_HEADER
#define WIDTH 28
#define HEIGHT 16
#if (LCD_WIDTH >= 160) && (LCD_HEIGHT >= 128) && (LCD_DEPTH >= 1)
#include "snake2_header1.h"
#include "snake2_header2.h"
#include "snake2_left.h"
#include "snake2_right.h"
#include "snake2_bottom.h"
#define BMPHEIGHT_snake2_header BMPHEIGHT_snake2_header1
#define BMPWIDTH_snake2_header BMPWIDTH_snake2_header1
#endif
#if (LCD_WIDTH >= 320) && (LCD_HEIGHT >= 240)
#define MULTIPLIER 10 /*Modifier for porting on other screens*/
#define MODIFIER_1 10
#define MODIFIER_2 8
#define CENTER_X 20
#define CENTER_Y 55
#define TOP_X1 34 /* x-coord of the upperleft item (game type) */
#define TOP_X2 281 /* x-coord of the upperright item (maze type) */
#define TOP_X3 42 /* x-coord of the lowerleft item (speed) */
#define TOP_X4 274 /* x-coord of the lowerright item (hi-score) */
#define TOP_Y1 4 /* y-coord of the top row of items */
#define TOP_Y2 25 /* y-coord of the bottom row of items */
#elif (LCD_WIDTH >= 240) && (LCD_HEIGHT >= 168)
#define MULTIPLIER 8
#define MODIFIER_1 8
#define MODIFIER_2 6
#define CENTER_X 8
#define CENTER_Y 34
#define TOP_X1 34
#define TOP_X2 201
#define TOP_X3 42
#define TOP_X4 194
#define TOP_Y1 4
#define TOP_Y2 25
#elif (LCD_WIDTH >= 220) && (LCD_HEIGHT >= 176)
#define MULTIPLIER 7
#define MODIFIER_1 7
#define MODIFIER_2 5
#define CENTER_X 12
#define CENTER_Y 46
#define TOP_X1 34
#define TOP_X2 181
#define TOP_X3 42
#define TOP_X4 174
#define TOP_Y1 4
#define TOP_Y2 25
#elif (LCD_WIDTH >= 176) && (LCD_HEIGHT >= 132)
#define MULTIPLIER 5
#define MODIFIER_1 5
#define MODIFIER_2 3
#define CENTER_X 18
#define CENTER_Y 40
#define TOP_X1 34
#define TOP_X2 137
#define TOP_X3 42
#define TOP_X4 130
#define TOP_Y1 4
#define TOP_Y2 25
#elif (LCD_WIDTH >= 160) && (LCD_HEIGHT >= 128)
#define MULTIPLIER 5
#define MODIFIER_1 5
#define MODIFIER_2 3
#define CENTER_X 10
#define CENTER_Y 38
#define TOP_X1 34
#define TOP_X2 121
#define TOP_X3 42
#define TOP_X4 114
#define TOP_Y1 4
#define TOP_Y2 25
#else
#define MULTIPLIER 4
#define MODIFIER_1 4
#define MODIFIER_2 2
#define CENTER_X 0
#define CENTER_Y 0
#endif
/* variable button definitions */
#if CONFIG_KEYPAD == RECORDER_PAD
#define SNAKE2_LEFT BUTTON_LEFT
#define SNAKE2_RIGHT BUTTON_RIGHT
#define SNAKE2_UP BUTTON_UP
#define SNAKE2_DOWN BUTTON_DOWN
#define SNAKE2_QUIT BUTTON_OFF
#define SNAKE2_LEVEL_UP BUTTON_UP
#define SNAKE2_LEVEL_DOWN BUTTON_DOWN
#define SNAKE2_MAZE_NEXT BUTTON_RIGHT
#define SNAKE2_MAZE_LAST BUTTON_LEFT
#define SNAKE2_SELECT_TYPE BUTTON_F3
#define SNAKE2_PLAYPAUSE BUTTON_PLAY
#define SNAKE2_PLAYPAUSE_TEXT "Play"
#elif CONFIG_KEYPAD == ARCHOS_AV300_PAD
#define SNAKE2_LEFT BUTTON_LEFT
#define SNAKE2_RIGHT BUTTON_RIGHT
#define SNAKE2_UP BUTTON_UP
#define SNAKE2_DOWN BUTTON_DOWN
#define SNAKE2_QUIT BUTTON_OFF
#define SNAKE2_LEVEL_UP BUTTON_UP
#define SNAKE2_LEVEL_DOWN BUTTON_DOWN
#define SNAKE2_MAZE_NEXT BUTTON_RIGHT
#define SNAKE2_MAZE_LAST BUTTON_LEFT
#define SNAKE2_SELECT_TYPE BUTTON_F3
#define SNAKE2_PLAYPAUSE BUTTON_SELECT
#define SNAKE2_PLAYPAUSE_TEXT "Select"
#elif CONFIG_KEYPAD == ONDIO_PAD
#define SNAKE2_LEFT BUTTON_LEFT
#define SNAKE2_RIGHT BUTTON_RIGHT
#define SNAKE2_UP BUTTON_UP
#define SNAKE2_DOWN BUTTON_DOWN
#define SNAKE2_QUIT BUTTON_OFF
#define SNAKE2_LEVEL_UP BUTTON_UP
#define SNAKE2_LEVEL_DOWN BUTTON_DOWN
#define SNAKE2_MAZE_NEXT BUTTON_RIGHT
#define SNAKE2_SELECT_TYPE BUTTON_LEFT
#define SNAKE2_PLAYPAUSE BUTTON_MENU
#define SNAKE2_PLAYPAUSE_TEXT "Menu"
#elif (CONFIG_KEYPAD == IRIVER_H100_PAD) || \
(CONFIG_KEYPAD == IRIVER_H300_PAD)
#define SNAKE2_LEFT BUTTON_LEFT
#define SNAKE2_RIGHT BUTTON_RIGHT
#define SNAKE2_UP BUTTON_UP
#define SNAKE2_DOWN BUTTON_DOWN
#define SNAKE2_QUIT BUTTON_OFF
#define SNAKE2_LEVEL_UP BUTTON_UP
#define SNAKE2_LEVEL_DOWN BUTTON_DOWN
#define SNAKE2_MAZE_NEXT BUTTON_RIGHT
#define SNAKE2_MAZE_LAST BUTTON_LEFT
#define SNAKE2_SELECT_TYPE BUTTON_MODE
#define SNAKE2_PLAYPAUSE BUTTON_ON
#define SNAKE2_PLAYPAUSE_TEXT "Play"
#define SNAKE2_RC_QUIT BUTTON_RC_STOP
#elif (CONFIG_KEYPAD == IPOD_4G_PAD) || \
(CONFIG_KEYPAD == IPOD_3G_PAD) || \
(CONFIG_KEYPAD == IPOD_1G2G_PAD)
#define SNAKE2_LEFT BUTTON_LEFT
#define SNAKE2_RIGHT BUTTON_RIGHT
#define SNAKE2_UP BUTTON_MENU
#define SNAKE2_DOWN BUTTON_PLAY
#define SNAKE2_QUIT (BUTTON_SELECT | BUTTON_MENU)
#define SNAKE2_LEVEL_UP BUTTON_SCROLL_FWD
#define SNAKE2_LEVEL_DOWN BUTTON_SCROLL_BACK
#define SNAKE2_MAZE_NEXT BUTTON_RIGHT
#define SNAKE2_MAZE_LAST BUTTON_LEFT
#define SNAKE2_SELECT_TYPE BUTTON_PLAY
#define SNAKE2_PLAYPAUSE BUTTON_SELECT
#define SNAKE2_PLAYPAUSE_TEXT "Select"
#elif (CONFIG_KEYPAD == IAUDIO_X5M5_PAD)
#define SNAKE2_LEFT BUTTON_LEFT
#define SNAKE2_RIGHT BUTTON_RIGHT
#define SNAKE2_UP BUTTON_UP
#define SNAKE2_DOWN BUTTON_DOWN
#define SNAKE2_QUIT BUTTON_POWER
#define SNAKE2_LEVEL_UP BUTTON_UP
#define SNAKE2_LEVEL_DOWN BUTTON_DOWN
#define SNAKE2_MAZE_NEXT BUTTON_RIGHT
#define SNAKE2_MAZE_LAST BUTTON_LEFT
#define SNAKE2_SELECT_TYPE BUTTON_PLAY
#define SNAKE2_PLAYPAUSE BUTTON_SELECT
#define SNAKE2_PLAYPAUSE_TEXT "Select"
#elif (CONFIG_KEYPAD == GIGABEAT_PAD)
#define SNAKE2_LEFT BUTTON_LEFT
#define SNAKE2_RIGHT BUTTON_RIGHT
#define SNAKE2_UP BUTTON_UP
#define SNAKE2_DOWN BUTTON_DOWN
#define SNAKE2_QUIT BUTTON_POWER
#define SNAKE2_LEVEL_UP BUTTON_UP
#define SNAKE2_LEVEL_DOWN BUTTON_DOWN
#define SNAKE2_MAZE_NEXT BUTTON_RIGHT
#define SNAKE2_MAZE_LAST BUTTON_LEFT
#define SNAKE2_SELECT_TYPE BUTTON_MENU
#define SNAKE2_PLAYPAUSE BUTTON_SELECT
#define SNAKE2_PLAYPAUSE_TEXT "Select"
#elif (CONFIG_KEYPAD == SANSA_E200_PAD) || \
(CONFIG_KEYPAD == SANSA_C200_PAD)
#define SNAKE2_LEFT BUTTON_LEFT
#define SNAKE2_RIGHT BUTTON_RIGHT
#define SNAKE2_UP BUTTON_UP
#define SNAKE2_DOWN BUTTON_DOWN
#define SNAKE2_QUIT BUTTON_POWER
#define SNAKE2_LEVEL_UP BUTTON_UP
#define SNAKE2_LEVEL_DOWN BUTTON_DOWN
#define SNAKE2_MAZE_NEXT BUTTON_RIGHT
#define SNAKE2_MAZE_LAST BUTTON_LEFT
#define SNAKE2_SELECT_TYPE BUTTON_REC
#define SNAKE2_PLAYPAUSE BUTTON_SELECT
#define SNAKE2_PLAYPAUSE_TEXT "Select"
#elif (CONFIG_KEYPAD == IRIVER_H10_PAD)
#define SNAKE2_LEFT BUTTON_LEFT
#define SNAKE2_RIGHT BUTTON_RIGHT
#define SNAKE2_UP BUTTON_SCROLL_UP
#define SNAKE2_DOWN BUTTON_SCROLL_DOWN
#define SNAKE2_QUIT BUTTON_POWER
#define SNAKE2_LEVEL_UP BUTTON_SCROLL_UP
#define SNAKE2_LEVEL_DOWN BUTTON_SCROLL_DOWN
#define SNAKE2_MAZE_NEXT BUTTON_RIGHT
#define SNAKE2_MAZE_LAST BUTTON_LEFT
#define SNAKE2_SELECT_TYPE BUTTON_PLAY
#define SNAKE2_PLAYPAUSE BUTTON_FF
#define SNAKE2_PLAYPAUSE_TEXT "FF"
#elif (CONFIG_KEYPAD == GIGABEAT_S_PAD)
#define SNAKE2_LEFT BUTTON_LEFT
#define SNAKE2_RIGHT BUTTON_RIGHT
#define SNAKE2_UP BUTTON_UP
#define SNAKE2_DOWN BUTTON_DOWN
#define SNAKE2_QUIT BUTTON_BACK
#define SNAKE2_LEVEL_UP BUTTON_UP
#define SNAKE2_LEVEL_DOWN BUTTON_DOWN
#define SNAKE2_MAZE_NEXT BUTTON_RIGHT
#define SNAKE2_MAZE_LAST BUTTON_LEFT
#define SNAKE2_SELECT_TYPE BUTTON_MENU
#define SNAKE2_PLAYPAUSE BUTTON_SELECT
#define SNAKE2_PLAYPAUSE_TEXT "Select"
#elif (CONFIG_KEYPAD == MROBE100_PAD)
#define SNAKE2_LEFT BUTTON_LEFT
#define SNAKE2_RIGHT BUTTON_RIGHT
#define SNAKE2_UP BUTTON_UP
#define SNAKE2_DOWN BUTTON_DOWN
#define SNAKE2_QUIT BUTTON_POWER
#define SNAKE2_LEVEL_UP BUTTON_UP
#define SNAKE2_LEVEL_DOWN BUTTON_DOWN
#define SNAKE2_MAZE_NEXT BUTTON_RIGHT
#define SNAKE2_MAZE_LAST BUTTON_LEFT
#define SNAKE2_SELECT_TYPE BUTTON_MENU
#define SNAKE2_PLAYPAUSE BUTTON_SELECT
#define SNAKE2_PLAYPAUSE_TEXT "Select"
#elif CONFIG_KEYPAD == IAUDIO_M3_PAD
#define SNAKE2_LEFT BUTTON_RC_REW
#define SNAKE2_RIGHT BUTTON_RC_FF
#define SNAKE2_UP BUTTON_RC_VOL_UP
#define SNAKE2_DOWN BUTTON_RC_VOL_DOWN
#define SNAKE2_QUIT BUTTON_RC_REC
#define SNAKE2_LEVEL_UP BUTTON_RC_VOL_UP
#define SNAKE2_LEVEL_DOWN BUTTON_RC_VOL_DOWN
#define SNAKE2_MAZE_NEXT BUTTON_RC_FF
#define SNAKE2_MAZE_LAST BUTTON_RC_REW
#define SNAKE2_SELECT_TYPE BUTTON_RC_MODE
#define SNAKE2_PLAYPAUSE BUTTON_RC_PLAY
#define SNAKE2_PLAYPAUSE_TEXT "Play"
#elif (CONFIG_KEYPAD == COWOND2_PAD)
#define SNAKE2_QUIT BUTTON_POWER
#else
#error No keymap defined!
#endif
#ifdef HAVE_TOUCHPAD
#ifndef SNAKE2_LEFT
#define SNAKE2_LEFT BUTTON_MIDLEFT
#endif
#ifndef SNAKE2_RIGHT
#define SNAKE2_RIGHT BUTTON_MIDRIGHT
#endif
#ifndef SNAKE2_UP
#define SNAKE2_UP BUTTON_TOPMIDDLE
#endif
#ifndef SNAKE2_DOWN
#define SNAKE2_DOWN BUTTON_BOTTOMMIDDLE
#endif
#ifndef SNAKE2_QUIT
#define SNAKE2_QUIT BUTTON_TOPLEFT
#endif
#ifndef SNAKE2_LEVEL_UP
#define SNAKE2_LEVEL_UP BUTTON_TOPRIGHT
#endif
#ifndef SNAKE2_LEVEL_DOWN
#define SNAKE2_LEVEL_DOWN BUTTON_TOPLEFT
#endif
#ifndef SNAKE2_MAZE_NEXT
#define SNAKE2_MAZE_NEXT BUTTON_TOPMIDDLE
#endif
#ifndef SNAKE2_MAZE_LAST
#define SNAKE2_MAZE_LAST BUTTON_BOTTOMMIDDLE
#endif
#ifndef SNAKE2_SELECT_TYPE
#define SNAKE2_SELECT_TYPE BUTTON_BOTTOMLEFT
#endif
#ifndef SNAKE2_PLAYPAUSE
#define SNAKE2_PLAYPAUSE BUTTON_CENTER
#endif
#ifndef SNAKE2_PLAYPAUSE_TEXT
#define SNAKE2_PLAYPAUSE_TEXT "CENTER"
#endif
#endif
static int max_levels = 0;
static char (*level_cache)[HEIGHT][WIDTH];
/*Board itself - 2D int array*/
static int board[WIDTH][HEIGHT];
/*
Buffer for sorting movement (in case user presses two movements during a
single frame
*/
static int ardirectionbuffer[2];
static unsigned int score, hiscore = 0;
static int applex;
static int appley;
static int strwdt,strhgt; /*used for string width, height for orientation purposes*/
static int dir;
static int frames;
static int apple;
static int level = 4, speed = 5,dead = 0, quit = 0;
static int sillydir = 0, num_levels = 0;
static int level_from_file = 0;
static const struct plugin_api* rb;
static int headx, heady, tailx, taily, applecountdown = 5;
static int game_type = 0;
static int num_apples_to_get=1;
static int num_apples_to_got=0;
static int game_b_level=0;
static int applecount=0;
static char phscore[30];
#define NORTH 1
#define EAST 2
#define SOUTH 4
#define WEST 8
#define HEAD 16
#define EAST_NORTH 32
#define EAST_SOUTH 64
#define WEST_NORTH 128
#define WEST_SOUTH 256
#define NORTH_EAST 512
#define NORTH_WEST 1024
#define SOUTH_EAST 2048
#define SOUTH_WEST 4096
#define LEVELS_FILE PLUGIN_GAMES_DIR "/snake2.levels"
#define HISCORE_FILE PLUGIN_GAMES_DIR "/snake2.hs"
int load_all_levels(void)
{
int linecnt = 0;
int fd;
ssize_t size;
char buf[64]; /* Larger than WIDTH, to allow for whitespace after the
lines */
/* Init the level_cache pointer and
calculate how many levels that will fit */
level_cache = rb->plugin_get_buffer((size_t *)&size);
max_levels = size / (HEIGHT*WIDTH);
num_levels = 0;
/* open file */
if ((fd = rb->open(LEVELS_FILE, O_RDONLY)) < 0)
{
return -1;
}
while(rb->read_line(fd, buf, 64))
{
if(rb->strlen(buf) == 0) /* Separator? */
{
num_levels++;
if(num_levels > max_levels)
{
rb->splash(HZ, "Too many levels in file");
break;
}
continue;
}
rb->memcpy(level_cache[num_levels][linecnt], buf, WIDTH);
linecnt++;
if(linecnt == HEIGHT)
{
linecnt = 0;
}
}
rb->close(fd);
return 0;
}
/*Hi-Score reading and writing to file "/.rockbox/rocks/games/snake2.levels" function */
void iohiscore(void)
{
int fd;
unsigned int compare;
/* clear the buffer we're about to load the highscore data into */
rb->memset(phscore, 0, sizeof(phscore));
fd = rb->open(HISCORE_FILE,O_RDWR | O_CREAT);
/* highscore used to %d, is now %d\n
Deal with no file or bad file */
rb->read(fd,phscore, sizeof(phscore));
compare = rb->atoi(phscore);
if(hiscore > compare){
rb->lseek(fd,0,SEEK_SET);
rb->fdprintf(fd, "%d\n", hiscore);
}
else
hiscore = compare;
rb->close(fd);
}
/*
** Completely clear the board of walls and/or snake */
void clear_board( void)
{
int x,y;
for (x = 0; x < WIDTH; x++)
{
for (y = 0; y < HEIGHT; y++)
{
board[x][y] = 0;
}
}
}
int load_level( int level_number )
{
int x,y;
clear_board();
for(y = 0;y < HEIGHT;y++)
{
for(x = 0;x < WIDTH;x++)
{
switch(level_cache[level_number][y][x])
{
case '|':
board[x][y] = NORTH;
break;
case '-':
board[x][y] = EAST;
break;
case '+':
board[x][y] = HEAD;
break;
}
}
}
return 1;
}
/*
** Gets the currently chosen direction from the first place
** in the direction buffer. If there is something in the
** next part of the buffer then that is moved to the first place
*/
void get_direction( void )
{
/*if 1st place is empty*/
if(ardirectionbuffer[0] != -1)
{
/*return this direction*/
dir = ardirectionbuffer[0];
ardirectionbuffer[0]=-1;
/*now see if one needs moving:*/
if(ardirectionbuffer[1] != -1)
{
/*there's a move waiting to be done
so move it into the space:*/
ardirectionbuffer[0] = ardirectionbuffer[1];
ardirectionbuffer[1] = -1;
}
}
}
/*
** Sets the direction
*/
void set_direction(int newdir)
{
if(ardirectionbuffer[0] != newdir)
{
/*if 1st place is empty*/
if(ardirectionbuffer[0] == -1)
{
/*use 1st space:*/
ardirectionbuffer[0] = newdir;
}
else
{
/*use 2nd space:*/
if(ardirectionbuffer[0] != newdir) ardirectionbuffer[1] = newdir;
}
if(frames < 0) ardirectionbuffer[0] = newdir;
}
}
void new_level(int level)
{
load_level(level);
ardirectionbuffer[0] = -1;
ardirectionbuffer[1] = -1;
dir = EAST;
headx = WIDTH/2;
heady = HEIGHT/2;
tailx = headx - 4;
taily = heady;
applecountdown = 0;
/*Create a small snake to start off with*/
board[headx][heady] = dir;
board[headx-1][heady] = dir;
board[headx-2][heady] = dir;
board[headx-3][heady] = dir;
board[headx-4][heady] = dir;
num_apples_to_got=0;
}
void init_snake(void)
{
num_apples_to_get=1;
if(game_type == 1)
level_from_file = 1;
game_b_level=1;
new_level(level_from_file);
}
/*
** Draws the apple. If it doesn't exist then
** a new one get's created.
*/
void draw_apple( void )
{
int x,y;
#if LCD_WIDTH >= 160 && LCD_HEIGHT >= 128
char pscore[5], counter[4];
rb->lcd_bitmap(snake2_header2,0,0,BMPWIDTH_snake2_header, BMPHEIGHT_snake2_header);
rb->lcd_bitmap(snake2_left,0,BMPHEIGHT_snake2_header,BMPWIDTH_snake2_left, BMPHEIGHT_snake2_left);
rb->lcd_bitmap(snake2_right,LCD_WIDTH-BMPWIDTH_snake2_right,BMPHEIGHT_snake2_header,BMPWIDTH_snake2_right, BMPHEIGHT_snake2_right);
rb->lcd_bitmap(snake2_bottom,0,BMPHEIGHT_snake2_header+BMPHEIGHT_snake2_left,BMPWIDTH_snake2_bottom, BMPHEIGHT_snake2_bottom);
rb->snprintf(counter,sizeof(counter),"%d",applecount);
rb->lcd_getstringsize(counter,&strwdt,&strhgt);
rb->lcd_putsxy(TOP_X3-strwdt/2,TOP_Y2,counter);
rb->snprintf(pscore,sizeof(pscore),"%d",score);
rb->lcd_getstringsize(pscore,&strwdt,&strhgt);
rb->lcd_putsxy(TOP_X4-strwdt/2,TOP_Y2,pscore);
#endif
if (!apple)
{
do
{
x = (rb->rand() % (WIDTH-1))+1;
y = (rb->rand() % (HEIGHT-1))+1;
} while (board[x][y]);
apple=1;
board[x][y]=-1;
applex = x;appley = y;
}
rb->lcd_fillrect((CENTER_X+applex*MULTIPLIER)+1,CENTER_Y+appley*MULTIPLIER,MODIFIER_2,MODIFIER_1);
rb->lcd_fillrect(CENTER_X+applex*MULTIPLIER,(CENTER_Y+appley*MULTIPLIER)+1,MODIFIER_1,MODIFIER_2);
}
/*
* x x *
* x x *
* x x *
* x x *
*/
void draw_vertical_bit(int x, int y)
{
rb->lcd_fillrect(CENTER_X+x*MULTIPLIER+1,CENTER_Y+y*MULTIPLIER,MODIFIER_2,MODIFIER_1);
}
/*
* * * *
X X X X
X X X X
* * * *
*/
void draw_horizontal_bit(int x, int y)
{
rb->lcd_fillrect(CENTER_X+x*MULTIPLIER,CENTER_Y+y*MULTIPLIER+1,MODIFIER_1,MODIFIER_2);
}
/*
* * * *
* * X X
* X X X
* X X *
*/
void draw_n_to_e_bit(int x, int y)
{
rb->lcd_fillrect(CENTER_X+x*MULTIPLIER+1,CENTER_Y+y*MULTIPLIER+2,MODIFIER_2,MODIFIER_2);
rb->lcd_fillrect(CENTER_X+x*MULTIPLIER+2,CENTER_Y+y*MULTIPLIER+1,MODIFIER_2,MODIFIER_2);
}
/*
* * * *
* * X X
* X X X
* X X *
*/
void draw_w_to_s_bit(int x, int y)
{
draw_n_to_e_bit(x,y);
}
/*
* * * *
X X * *
X X X *
* X X *
*/
void draw_n_to_w_bit(int x, int y)
{
rb->lcd_fillrect(CENTER_X+x*MULTIPLIER,CENTER_Y+y*MULTIPLIER+1,MODIFIER_2,MODIFIER_2);
rb->lcd_fillrect(CENTER_X+x*MULTIPLIER+1,CENTER_Y+y*MULTIPLIER+2,MODIFIER_2,MODIFIER_2);
}
/*
* * * *
X X * *
X X X *
* X X *
*/
void draw_e_to_s_bit(int x, int y)
{
draw_n_to_w_bit(x, y);
}
/*
* X X *
* X X X
* * X X
* * * *
*/
void draw_s_to_e_bit(int x, int y)
{
rb->lcd_fillrect(CENTER_X+x*MULTIPLIER+1,CENTER_Y+y*MULTIPLIER,MODIFIER_2,MODIFIER_2);
rb->lcd_fillrect(CENTER_X+x*MULTIPLIER+2,CENTER_Y+y*MULTIPLIER+1,MODIFIER_2,MODIFIER_2);
}
/*
* X X *
* X X X
* * X X
* * * *
*/
void draw_w_to_n_bit(int x, int y)
{
draw_s_to_e_bit(x,y);
}
/*
* X X *
X X X *
X X * *
* * * *
*/
void draw_e_to_n_bit(int x, int y)
{
rb->lcd_fillrect(CENTER_X+x*MULTIPLIER+1,CENTER_Y+y*MULTIPLIER,MODIFIER_2,MODIFIER_2);
rb->lcd_fillrect(CENTER_X+x*MULTIPLIER,CENTER_Y+y*MULTIPLIER+1,MODIFIER_2,MODIFIER_2);
}
/*
* X X *
X X X *
X X * *
* * * *
*/
void draw_s_to_w_bit(int x, int y)
{
draw_e_to_n_bit(x, y);
}
/*
** Draws a wall/obsticals
*/
void draw_boundary ( void )
{
int x, y;
/*TODO: Load levels from file!*/
/*top and bottom line*/
for(x=0; x < WIDTH; x++)
{
board[x][0] = EAST;
board[x][HEIGHT-1] = WEST;
}
/*left and right lines*/
for(y=0; y < HEIGHT; y++)
{
board[0][y] = NORTH;
board[WIDTH-1][y] = SOUTH;
}
/*corners:*/
board[0][0] = NORTH_EAST;
board[WIDTH-1][0] = EAST_SOUTH;
board[0][HEIGHT-1] = SOUTH_EAST;
board[WIDTH-1][HEIGHT-1] = EAST_NORTH;
}
/*
** Redraw the entire board
*/
void redraw (void)
{
int x,y;
for (x = 0; x < WIDTH; x++)
{
for (y = 0; y < HEIGHT; y++)
{
switch (board[x][y])
{
case -1:
rb->lcd_fillrect((CENTER_X+x*MULTIPLIER)+1,CENTER_Y+y*MULTIPLIER,MODIFIER_2,MODIFIER_1);
rb->lcd_fillrect(CENTER_X+x*MULTIPLIER,(CENTER_Y+y*MULTIPLIER)+1,MODIFIER_1,MODIFIER_2);
break;
case 0:
break;
case NORTH:
case SOUTH:
draw_vertical_bit(x,y);
break;
case EAST:
case WEST:
draw_horizontal_bit(x,y);
break;
default:
rb->lcd_fillrect(CENTER_X+x*MULTIPLIER,CENTER_Y+y*MULTIPLIER,MODIFIER_1,MODIFIER_1);
break;
}
}
}
}
/*
** Draws the snake bit described by nCurrentBit at position x/y
** deciding whether it's a corner bit by examing the nPrevious bit
*/
void draw_snake_bit(int currentbit, int previousbit, int x, int y)
{
rb->lcd_set_drawmode(DRMODE_SOLID|DRMODE_INVERSEVID);
rb->lcd_fillrect(CENTER_X+x*MULTIPLIER,CENTER_Y+y*MULTIPLIER,MODIFIER_1,MODIFIER_1);
rb->lcd_set_drawmode(DRMODE_SOLID);
switch(currentbit)
{
case(NORTH):
switch(previousbit)
{
case(SOUTH):
case(NORTH):
draw_vertical_bit(x,y);
break;
case(EAST):
draw_e_to_n_bit(x,y);
break;
case(WEST):
draw_w_to_n_bit(x,y);
break;
}
break;
case(EAST):
switch(previousbit)
{
case(WEST):
case(EAST):
draw_horizontal_bit(x,y);
break;
case(NORTH):
draw_n_to_e_bit(x,y);
break;
case(SOUTH):
draw_s_to_e_bit(x,y);
break;
}
break;
case(SOUTH):
switch(previousbit)
{
case(SOUTH):
case(NORTH):
draw_vertical_bit(x,y);
break;
case(EAST):
draw_e_to_s_bit(x,y);
break;
case(WEST):
draw_w_to_s_bit(x,y);
break;
}
break;
case(WEST):
switch(previousbit)
{
case(EAST):
case(WEST):
draw_horizontal_bit(x,y);
break;
case(SOUTH):
draw_s_to_w_bit(x,y);
break;
case(NORTH):
draw_n_to_w_bit(x,y);
break;
}
break;
}
}
/*
** Death 'sequence' and end game stuff.
*/
void die (void)
{
int button;
bool done=false;
char pscore[20];
rb->splash(HZ*2, "Oops!");
rb->lcd_clear_display();
applecount=0;
rb->lcd_getstringsize("You died!",&strwdt,&strhgt);
rb->lcd_putsxy((LCD_WIDTH - strwdt)/2,strhgt,"You died!");
rb->snprintf(pscore,sizeof(pscore),"Your score: %d",score);
rb->lcd_getstringsize(pscore,&strwdt,&strhgt);
rb->lcd_putsxy((LCD_WIDTH - strwdt)/2,strhgt * 2 + 2,pscore);
if (score>hiscore)
{
hiscore=score;
rb->lcd_getstringsize("New high score!",&strwdt,&strhgt);
rb->lcd_putsxy((LCD_WIDTH - strwdt)/2,strhgt * 4 + 2,"New high score!");
}
else
{
rb->snprintf(phscore,sizeof(phscore),"High score: %d",hiscore);
rb->lcd_getstringsize(phscore,&strwdt,&strhgt);
rb->lcd_putsxy((LCD_WIDTH - strwdt)/2,strhgt * 5,phscore);
}
rb->snprintf(phscore,sizeof(phscore),"Press %s...",SNAKE2_PLAYPAUSE_TEXT);
rb->lcd_getstringsize(phscore,&strwdt,&strhgt);
rb->lcd_putsxy((LCD_WIDTH - strwdt)/2,strhgt * 7,phscore);
rb->lcd_update();
while(!done)
{
button=rb->button_get(true);
switch(button)
{
case SNAKE2_PLAYPAUSE:
done = true;
break;
}
}
dead=1;
}
/*
** Check for collision. TODO: Currently this
** sets of the death sequence. What we want is it to only return a true/false
** depending on whether a collision occured.
*/
void collision ( int x, int y )
{
int bdeath=0;
switch (board[x][y])
{
case 0:
break;
case -1:
score = score + (1 * level);
apple=0;
applecountdown=2;
applecount++;
if(game_type==1)
{
if(num_apples_to_get == num_apples_to_got)
{
level_from_file++;
if(level_from_file >= num_levels)
{
level_from_file = 1;
/*and increase the number of apples to pick up
before level changes*/
num_apples_to_get+=2;
game_b_level++;
}
rb->splash(HZ, "Level Completed!");
rb->lcd_clear_display();
new_level(level_from_file);
rb->lcd_clear_display();
redraw();
rb->lcd_update();
}
else
num_apples_to_got++;
}
break;
default:
bdeath=1;
break;
}
if(bdeath==1)
{
die();
sillydir = dir;
frames = -110;
}
}
void move( void )
{
int taildir;
/*this actually sets the dir variable.*/
get_direction();
/*draw head*/
switch (dir)
{
case (NORTH):
board[headx][heady]=NORTH;
heady--;
break;
case (EAST):
board[headx][heady]=EAST;
headx++;
break;
case (SOUTH):
board[headx][heady]=SOUTH;
heady++;
break;
case (WEST):
board[headx][heady]=WEST;
headx--;
break;
}
if(headx == WIDTH)
headx = 0;
else if(headx < 0)
headx = WIDTH-1;
if(heady == HEIGHT)
heady = 0;
else if(heady < 0)
heady = HEIGHT-1;
rb->lcd_fillrect(CENTER_X+headx*MULTIPLIER,CENTER_Y+heady*MULTIPLIER,MODIFIER_1,MODIFIER_1);
/*clear tail*/
if(applecountdown <= 0)
{
rb->lcd_set_drawmode(DRMODE_SOLID|DRMODE_INVERSEVID);
rb->lcd_fillrect(CENTER_X+tailx*MULTIPLIER,CENTER_Y+taily*MULTIPLIER,MODIFIER_1,MODIFIER_1);
rb->lcd_set_drawmode(DRMODE_SOLID);
taildir = board[tailx][taily];
board[tailx][taily] = 0;
switch (taildir)
{
case(NORTH):
taily--;
break;
case(EAST):
tailx++;
break;
case(SOUTH):
taily++;
break;
case(WEST):
tailx--;
break;
}
if(tailx == WIDTH)
tailx = 0;
else if(tailx < 0)
tailx = WIDTH-1;
if(taily == HEIGHT)
taily = 0;
else if(taily < 0)
taily = HEIGHT-1;
}
else
applecountdown--;
}
void frame (void)
{
int olddir, noldx, noldy, temp;
noldx = headx;
noldy = heady;
olddir = 0;
switch(dir)
{
case(NORTH):
if(heady == HEIGHT-1)
temp = 0;
else
temp = heady + 1;
olddir = board[headx][temp];
break;
case(EAST):
if(headx == 0)
temp = WIDTH-1;
else
temp = headx - 1;
olddir = board[temp][heady];
break;
case(SOUTH):
if(heady == 0)
temp = HEIGHT-1;
else
temp = heady - 1;
olddir = board[headx][temp];
break;
case(WEST):
if(headx == WIDTH-1)
temp = 0;
else
temp = headx + 1;
olddir = board[temp][heady];
break;
}
move();
/*
now redraw the bit that was
the tail, to something snake-like:
*/
draw_snake_bit(dir, olddir, noldx, noldy);
collision(headx, heady);
rb->lcd_update();
}
void game_pause (void)
{
int button;
rb->lcd_clear_display();
rb->lcd_getstringsize("Paused",&strwdt,&strhgt);
rb->lcd_putsxy((LCD_WIDTH - strwdt)/2,LCD_HEIGHT/2,"Paused");
rb->lcd_update();
while (1)
{
button = rb->button_get(true);
switch (button)
{
case SNAKE2_PLAYPAUSE:
rb->lcd_clear_display();
redraw();
rb->lcd_update();
rb->sleep(HZ/2);
return;
#ifdef SNAKE2_RC_QUIT
case SNAKE2_RC_QUIT:
#endif
case SNAKE2_QUIT:
dead = 1;
quit = 1;
return;
default:
if (rb->default_event_handler(button)==SYS_USB_CONNECTED) {
dead = 1;
quit = 2;
return;
}
break;
}
}
}
void game (void)
{
int button;
rb->lcd_clear_display();
redraw();
rb->lcd_update();
/*main loop:*/
while (1)
{
if(frames==5)
{
frame();
if(frames>0) frames=0;
}
frames++;
if(frames == 0)
{
die();
}
else
{
if(frames < 0)
{
if(sillydir != dir)
{
/*it has, great set frames to a positive value again:*/
frames = 1;
}
}
}
if (dead) return;
draw_apple();
rb->sleep(HZ/speed);
button = rb->button_get(false);
#ifdef HAS_BUTTON_HOLD
if (rb->button_hold())
button = SNAKE2_PLAYPAUSE;
#endif
switch (button)
{
case SNAKE2_UP:
case SNAKE2_UP | BUTTON_REPEAT:
if (dir != SOUTH) set_direction(NORTH);
break;
case SNAKE2_RIGHT:
case SNAKE2_RIGHT | BUTTON_REPEAT:
if (dir != WEST) set_direction(EAST);
break;
case SNAKE2_DOWN:
case SNAKE2_DOWN | BUTTON_REPEAT:
if (dir != NORTH) set_direction(SOUTH);
break;
case SNAKE2_LEFT:
case SNAKE2_LEFT | BUTTON_REPEAT:
if (dir != EAST) set_direction(WEST);
break;
#ifdef SNAKE2_RC_QUIT
case SNAKE2_RC_QUIT:
#endif
case SNAKE2_QUIT:
dead=1;
return;
case SNAKE2_PLAYPAUSE:
game_pause();
break;
default:
if (rb->default_event_handler(button)==SYS_USB_CONNECTED) {
quit = 2;
return;
}
break;
}
}
}
void game_init(void)
{
int button;
char plevel[30];
dead=0;
apple=0;
score=0;
applecount=0;
clear_board();
load_level( level_from_file );
rb->lcd_clear_display();
redraw();
rb->lcd_update();
while (1)
{
#if LCD_WIDTH >= 160 && LCD_HEIGHT >= 128
rb->lcd_bitmap(snake2_header1,0,0,BMPWIDTH_snake2_header, BMPHEIGHT_snake2_header);
rb->lcd_bitmap(snake2_left,0,BMPHEIGHT_snake2_header,BMPWIDTH_snake2_left, BMPHEIGHT_snake2_left);
rb->lcd_bitmap(snake2_right,LCD_WIDTH-BMPWIDTH_snake2_right,BMPHEIGHT_snake2_header,BMPWIDTH_snake2_right, BMPHEIGHT_snake2_right);
rb->lcd_bitmap(snake2_bottom,0,BMPHEIGHT_snake2_header+BMPHEIGHT_snake2_left,BMPWIDTH_snake2_bottom, BMPHEIGHT_snake2_bottom);
rb->snprintf(plevel,sizeof(plevel),"%d",level);
rb->lcd_getstringsize(plevel,&strwdt,&strhgt);
rb->lcd_putsxy(TOP_X3-strwdt/2,TOP_Y2, plevel);
rb->snprintf(plevel,sizeof(plevel),"%d",level_from_file);
rb->lcd_getstringsize(plevel,&strwdt,&strhgt);
rb->lcd_putsxy(TOP_X2-strwdt/2,TOP_Y1, plevel);
if(game_type==0){
rb->lcd_getstringsize("A",&strwdt,&strhgt);
rb->lcd_putsxy(TOP_X1,TOP_Y1,"A");
}
else{
rb->lcd_getstringsize("B",&strwdt,&strhgt);
rb->lcd_putsxy(TOP_X1,TOP_Y1,"B");
}
rb->snprintf(phscore,sizeof(phscore),"%d",hiscore);
rb->lcd_getstringsize(phscore,&strwdt,&strhgt);
rb->lcd_putsxy(TOP_X4-strwdt/2,TOP_Y2, phscore);
#else
rb->snprintf(plevel,sizeof(plevel),"Speed: %02d",level);
rb->lcd_getstringsize("Speed: 00",&strwdt,&strhgt);
rb->lcd_putsxy((LCD_WIDTH - strwdt)/2,strhgt+4, plevel);
rb->snprintf(plevel,sizeof(plevel),"Maze: %d",level_from_file);
rb->lcd_getstringsize(plevel,&strwdt,&strhgt);
rb->lcd_putsxy((LCD_WIDTH - strwdt)/2,strhgt*2+4, plevel);
if(game_type==0){
rb->lcd_getstringsize("Game Type: A ",&strwdt,&strhgt);
rb->lcd_putsxy((LCD_WIDTH - strwdt)/2,strhgt*3+4,"Game Type: A");
}
else{
rb->lcd_getstringsize("Game Type: B ",&strwdt,&strhgt);
rb->lcd_putsxy((LCD_WIDTH - strwdt)/2,strhgt*3+4,"Game Type: B");
}
rb->snprintf(phscore,sizeof(phscore),"Hi Score: %d",hiscore);
rb->lcd_getstringsize(phscore,&strwdt,&strhgt);
rb->lcd_putsxy((LCD_WIDTH - strwdt)/2,strhgt*4+4, phscore);
#endif
rb->lcd_update();
button=rb->button_get(true);
switch (button)
{
case SNAKE2_LEVEL_UP:
case SNAKE2_LEVEL_UP|BUTTON_REPEAT:
if (level<10)
level+=1;
break;
case SNAKE2_LEVEL_DOWN:
case SNAKE2_LEVEL_DOWN|BUTTON_REPEAT:
if (level>1)
level-=1;
break;
case SNAKE2_QUIT:
quit=1;
return;
break;
case SNAKE2_PLAYPAUSE:
speed = level*20;
return;
break;
case SNAKE2_SELECT_TYPE:
if(game_type==0)game_type=1; else game_type=0;
break;
case SNAKE2_MAZE_NEXT:
rb->lcd_set_drawmode(DRMODE_BG|DRMODE_INVERSEVID);
rb->lcd_fillrect(CENTER_X, CENTER_Y, CENTER_X+WIDTH*MULTIPLIER,
CENTER_Y+HEIGHT*MULTIPLIER);
rb->lcd_set_drawmode(DRMODE_SOLID);
if(level_from_file < num_levels)
level_from_file++;
else
level_from_file = 0;
load_level( level_from_file );
redraw();
break;
#ifdef SNAKE2_MAZE_LAST
case SNAKE2_MAZE_LAST:
rb->lcd_set_drawmode(DRMODE_BG|DRMODE_INVERSEVID);
rb->lcd_fillrect(CENTER_X, CENTER_Y, CENTER_X+WIDTH*MULTIPLIER,
CENTER_Y+HEIGHT*MULTIPLIER);
rb->lcd_set_drawmode(DRMODE_SOLID);
if(level_from_file > 0)
level_from_file--;
else
level_from_file = num_levels;
load_level( level_from_file );
redraw();
break;
#endif
default:
if (rb->default_event_handler(button)==SYS_USB_CONNECTED) {
quit = 2;
return;
}
break;
}
}
}
enum plugin_status plugin_start(const struct plugin_api* api, const void* parameter)
{
(void)(parameter);
rb = api;
/* Lets use the default font */
rb->lcd_setfont(FONT_SYSFIXED);
#if LCD_DEPTH > 1
rb->lcd_set_backdrop(NULL);
#endif
#ifdef HAVE_LCD_COLOR
rb->lcd_set_foreground(LCD_BLACK);
rb->lcd_set_background(LCD_WHITE);
#endif
load_all_levels();
if (num_levels == 0) {
rb->splash(HZ*2, "Failed loading levels!");
return PLUGIN_OK;
}
iohiscore();
while(quit==0)
{
game_init();
rb->lcd_clear_display();
frames=1;
if(quit==0)
{
init_snake();
/*Start Game:*/
game();
}
}
iohiscore();
return (quit==1) ? PLUGIN_OK : PLUGIN_USB_CONNECTED;
}
#endif
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