Add new/better snake.c from git://github.com/MascHman/r0ket.git

This commit is contained in:
Stefan `Sec` Zehl 2012-01-28 18:47:53 +01:00
parent 44f09ef804
commit 63f5536ccf
3 changed files with 328 additions and 194 deletions

View File

@ -186,6 +186,9 @@ void m_choose(){
case('r'): case('r'):
strcpy(p,"r0type"); strcpy(p,"r0type");
break; break;
case('s'):
strcpy(p,"Snake");
break;
#endif #endif
default: default:
p[0]=*mm; p[0]=*mm;
@ -233,6 +236,9 @@ void m_choose(){
case('r'): case('r'):
strcpy(p,"r0type"); strcpy(p,"r0type");
break; break;
case('s'):
strcpy(p,"Snake");
break;
#endif #endif
}; };
if(tmm[i]>='a' && tmm[i]<='z'){ if(tmm[i]>='a' && tmm[i]<='z'){

322
firmware/l0dable/snake.c Normal file
View File

@ -0,0 +1,322 @@
/*
* snake
********
* a snake clone for the r0ket
* created by Flori4n (DrivenHoliday) & MascH (CCCHB tent)
***************************************/
#include <sysinit.h>
#include <string.h>
#include "basic/basic.h"
#include "basic/config.h"
#include "basic/random.h"
#include "lcd/render.h"
#include "lcd/display.h"
#include "lcd/fonts.h"
#include "lcd/fonts/invaders.h"
//#Include "lcd/lcd.h"
//#include "lcd/print.h"
#include "funk/mesh.h"
#include "usetable.h"
#define MAX_SNAKE_LEN (40)
#define SNAKE_DIM (3)
#define MIN_SPEED (25)
#define MAX_SPEED (3)
#define MIN_X 2
#define MAX_X (RESX-3)
#define MIN_Y 8
#define MAX_Y (RESY-2)
#define SIZE_X ((MAX_X-MIN_X)/SNAKE_DIM)
#define SIZE_Y ((MAX_Y-MIN_Y)/SNAKE_DIM)
#define RIGHT 0
#define LEFT 2
#define UP 3
#define DOWN 1
struct pos_s {
int x,y;
};
struct snake_s {
struct pos_s *tail;
int len, dir, speed, t_start;
};
static void reset();
static void next_level();
static void draw_block();
static void handle_input();
static void death_anim();
static struct pos_s getFood(void);
static int hitWall();
static int hitFood();
static int hitSelf();
static int showHighscore();
int points = 0;
struct snake_s snake = { NULL, 3, 0, MIN_SPEED, 2};
struct pos_s food;
void ram(void)
{
int c=0, pos=0,del=0;
struct pos_s tail[MAX_SNAKE_LEN];
snake.tail = tail;
// initially reset everything
reset();
while (1)
{
if(!(++c % snake.speed)) {
handle_input();
pos = (snake.t_start+1) % MAX_SNAKE_LEN;
snake.tail[pos].x = snake.tail[snake.t_start].x;
snake.tail[pos].y = snake.tail[snake.t_start].y;
if(snake.dir == 0)
snake.tail[pos].x++;
else if(snake.dir == 1)
snake.tail[pos].y++;
else if(snake.dir == 2)
snake.tail[pos].x--;
else if(snake.dir == 3)
snake.tail[pos].y--;
snake.t_start = pos;
if (pos < snake.len) {
del = MAX_SNAKE_LEN - (snake.len - pos);
} else
del = pos - snake.len;
// remove last, add first line
draw_block(snake.tail[del].x, snake.tail[del].y, 0);
draw_block(snake.tail[pos].x, snake.tail[pos].y, 1);
// check for obstacle hit..
if (hitWall() || hitSelf()) {
death_anim();
if (showHighscore())
break;
reset();
}
else if (hitFood())
next_level();
lcdDisplay();
}
#ifdef SIMULATOR
delayms(50);
#else
delayms(3);
#endif
}
}
static struct pos_s getFood(void)
{
int i,pos;
struct pos_s res;
tryagain:
res.x = (getRandom() % (SIZE_X-1)) + 1;
res.y = (getRandom() % (SIZE_Y-3)) + 3;
for(i=0; i<snake.len; i++) {
pos = (snake.t_start < i) ? (MAX_SNAKE_LEN - (i-snake.t_start)) : (snake.t_start-i);
if (snake.tail[pos].x == res.x && snake.tail[pos].y == res.y) // no food to be spawn in snake plz
goto tryagain;
}
return res;
}
static void reset()
{
int i;
// setup the screen
lcdClear();
for (i=MIN_X; i<MAX_X; i++) {
lcdSetPixel(i,MIN_Y,1);
lcdSetPixel(i,MAX_Y,1);
}
for (i=MIN_Y; i<MAX_Y; i++) {
lcdSetPixel(MIN_X,i,1);
lcdSetPixel(MAX_X,i,1);
}
snake.speed = MIN_SPEED;
snake.len = 3;
snake.dir = 0;
snake.t_start = 2;
points = 0;
// create snake in the middle of the field
snake.tail[0].x = SIZE_X/2;
snake.tail[0].y = SIZE_Y/2;
snake.tail[1].x = SIZE_X/2 +1;
snake.tail[1].y = SIZE_Y/2;
snake.tail[2].x = SIZE_X/2 +2;
snake.tail[2].y = SIZE_Y/2;
// print initail tail
draw_block(snake.tail[0].x, snake.tail[0].y, 1);
draw_block(snake.tail[1].x, snake.tail[1].y, 1);
draw_block(snake.tail[2].x, snake.tail[2].y, 1);
// switch to level one
next_level();
}
static void draw_block(int x, int y, int set)
{
x *= SNAKE_DIM;
y *= SNAKE_DIM;
lcdSetPixel(x , y, set);
lcdSetPixel(x+1, y, set);
lcdSetPixel(x+2, y, set);
lcdSetPixel(x, y+1, set);
lcdSetPixel(x+1, y+1, set);
lcdSetPixel(x+2, y+1, set);
lcdSetPixel(x, y+2, set);
lcdSetPixel(x+1, y+2, set);
lcdSetPixel(x+2, y+2, set);
}
static void next_level()
{
food = getFood();
draw_block( food.x, food.y, 1);
snake.len++;
snake.speed--;
DoInt(0,0,++points);
}
static void handle_input()
{
int key = getInputRaw(), dir_old = snake.dir;
if (key&BTN_UP && dir_old != 1)
snake.dir = 3;
else if (key&BTN_DOWN && dir_old != 3)
snake.dir = 1;
else if (key&BTN_LEFT && dir_old != 0)
snake.dir = 2;
else if (key&BTN_RIGHT && dir_old !=2)
snake.dir = 0;
}
static int hitWall()
{
return ( (snake.tail[snake.t_start].x*3 <= MIN_X)
|| (snake.tail[snake.t_start].x*3 >= MAX_X)
|| (snake.tail[snake.t_start].y*3 <= MIN_Y)
|| (snake.tail[snake.t_start].y*3 >= MAX_Y) ) ?
1 : 0;
}
static int hitSelf()
{
int i, pos;
for (i=1; i<snake.len; i++) {
pos = (snake.t_start < i) ? (MAX_SNAKE_LEN - (i-snake.t_start)) : (snake.t_start-i);
if (snake.tail[pos].x == snake.tail[snake.t_start].x && snake.tail[pos].y == snake.tail[snake.t_start].y)
return 1;
}
return 0;
}
static void death_anim()
{
int i,j, a=4;
while(a--) {
// lcdToggleFlag(LCD_INVERTED);
for (i=0; i<RESY; i++) {
for (j=0; j<RESX; j++) {
lcdSetPixel(j,i,!lcdGetPixel(j,i));
}
}
lcdDisplay();
#ifdef SIMULATOR
delayms(5000);
#else
delayms(250);
#endif
}
;// this is a stub
}
static bool highscore_set(uint32_t score, char nick[]) {
MPKT * mpkt= meshGetMessage('s');
if(MO_TIME(mpkt->pkt)>score)
return false;
MO_TIME_set(mpkt->pkt,score);
strcpy((char*)MO_BODY(mpkt->pkt),nick);
if(GLOBAL(privacy)==0){
uint32touint8p(GetUUID32(),mpkt->pkt+26);
mpkt->pkt[25]=0;
};
return true;
}
static uint32_t highscore_get(char nick[]){
MPKT * mpkt= meshGetMessage('s');
char * packet_nick = (char*)MO_BODY(mpkt->pkt);
// the packet crc end is already zeroed
if(MAXNICK<MESHPKTSIZE-2-6-1)
packet_nick[MAXNICK-1] = 0;
strcpy(nick, packet_nick);
return MO_TIME(mpkt->pkt);
}
static int showHighscore()
{
int key = getInputRaw(); //throw away pending keypress
char nick[20];
uint32_t score = 0;
highscore_set(points,GLOBAL(nickname));
score = highscore_get(nick);
lcdClear();
DoString(0,RESY/2-33, " Your Score");
DoInt(RESX/2-4, RESY/2-25, points);
DoString(0,RESY/2-10, " Highscore");
DoInt(RESX/2-4, RESY/2-2, score);
DoString(0, RESY/2+18, " UP to play ");
DoString(0, RESY/2+26, "DOWN to quit ");
lcdDisplay();
while(1) {
key = getInputRaw();
if (key&BTN_DOWN) {
return 1;
} else if (key&BTN_UP) {
return 0;
}
}
}
static int hitFood()
{
return ((snake.tail[snake.t_start].x == food.x) && (snake.tail[snake.t_start].y == food.y)) ? 1 : 0;
}

View File

@ -1,194 +0,0 @@
#include <sysinit.h>
#include "basic/basic.h"
#include "basic/config.h"
#include "lcd/lcd.h"
#include "lcd/print.h"
#include "usetable.h"
struct elem
{
int x,y;
};
void reset(struct elem snake[],size_t *snake_size,int *dirc,
int*speed, int*points,int*point_s);
void o_rectangle (int x0, int y0, int width, int height);
struct elem rnd(void);
#define MAX_SNAKE_LEN (40)
#define SNAKE_DEM (3)
#define MIN_SPEED (25)
#define MAX_SPEED (3)
#define SIZE_X (RESX)
#define SIZE_Y (RESY)
void ram(void)
{
int inpt,dirc,c,grows = 0,dx,dy,points,point_s=1;
size_t n = 0, snake_size = 5, speed=MIN_SPEED;
struct elem snake[MAX_SNAKE_LEN], food;
char test[512]; /* scratch space */
o_init (test, sizeof(test));
reset(snake,&snake_size,&dirc,&speed,&points,&point_s);
food = rnd();
while (1)
{
head:
if(!(++c % speed))
{
inpt = getInputRaw();
dx=DoString(0,0,IntToStrX(points,2));
dx=(SIZE_X-dx)/2;
if(dx<0)
dx=0;
dy=(SIZE_Y-getFontHeight())/2;
lcdFill(255);
o_rectangle(1,0,SIZE_X-2,SIZE_Y-2);
o_set_gray (0);
o_fill ();
//o_identity (); /* reset tranforms */
o_set_gray (50);
setExtFont("UBUNTU29");
lcdSetPixel(1,1,1);
DoString(dx,dy,IntToStrX(points,2));
o_set_gray (255);
for(n=0;n<snake_size;++n)
{
o_rectangle
(snake[n].x*SNAKE_DEM,snake[n].y*SNAKE_DEM,SNAKE_DEM,SNAKE_DEM); /*
fill background with black */
o_fill (); /* fill with 50% {
reset(snake,&snake_size);
goto head;
}gray */
}
o_rectangle
(food.x*SNAKE_DEM,food.y*SNAKE_DEM,SNAKE_DEM,SNAKE_DEM); /* fill
background with black */
o_fill ();
lcdDisplay();
if (inpt == BTN_UP && dirc != 1)
{
dirc = 3;
}
else if (inpt == BTN_DOWN && dirc != 3)
{
dirc = 1;
}
else if (inpt == BTN_LEFT && dirc != 0)
{
dirc = 2;
}
else if (inpt == BTN_RIGHT && dirc !=2)
{
dirc = 0;
}
//
struct elem t = snake[snake_size-1];
if(dirc == 0)
++t.x;
else if(dirc == 1)
++t.y;
else if(dirc == 2)
--t.x;
else if(dirc == 3)
--t.y;
if(t.x < 0 || t.y < 0 || t.y > SIZE_Y/SNAKE_DEM-1 ||
t.x > SIZE_X/SNAKE_DEM)
{
reset(snake,&snake_size,&dirc,&speed,&points,&point_s);
goto head;
}
for(n=0;n<snake_size-1;++n)
{
if(snake[n].x == t.x && snake[n].y == t.y)
{
reset(snake,&snake_size,&dirc,&speed,&points,&point_s);
goto head;
}
else if(snake[n].x == food.x && snake[n].y == food.y)
{
grows = 1;
++snake_size;
++points;
if(speed > MAX_SPEED) --speed;
food = rnd();
}
}
if(!grows)
{
for(n=0;n<snake_size-1;++n)
{
snake[n] = snake[n+1];
}
}
else
grows = 0;
snake[snake_size-1] = t;
}
else
delayms(3);
}
}
struct elem rnd(void)
{
struct elem res;
res.x = getRandom() % (SIZE_X/SNAKE_DEM-1) +1;
res.y = getRandom() % (SIZE_Y/SNAKE_DEM-1) + 1;
return res;
}
void reset(struct elem snake[],size_t *snake_size,int *dirc,
int*speed, int*points,int* point_s)
{
size_t n = 0;
for(n=0;n<MAX_SNAKE_LEN;++n)
{ snake[n].x=5;snake[n].y=5; }
*snake_size = 5;
*dirc = 0;
*speed = MIN_SPEED;
*points=0;
*point_s=1;
}
void o_rectangle (int x0, int y0, int width, int height)
{
o_path_new ();
o_move_to (x0, y0);
o_line_to (x0 + width, y0);
o_line_to (x0 + width, y0+height+1);
o_line_to (x0, y0+height+1);
o_close ();
}