crashtest-r0ket/firmware/applications/life.c

247 lines
4.9 KiB
C
Raw Normal View History

2011-07-19 10:28:21 +00:00
#include <sysinit.h>
#include "basic/basic.h"
#include "lcd/render.h"
#include "lcd/display.h"
#include "lcd/allfonts.h"
void ReinvokeISP(void);
void EnableWatchdog(uint32_t ms);
void delayms(uint32_t ms);
/**************************************************************************/
#define POS_PLAYER_Y 60
#define ENEMY_ROWS 3
#define ENEMY_COLUMNS 6
#define DISABLED 255
unsigned char rnd1();
struct gamestate {
char player;
char shot_x, shot_y;
char alive;
char move, direction, lastcol;
bool killed;
char enemy_x[ENEMY_ROWS][ENEMY_COLUMNS];
char enemy_row_y[ENEMY_ROWS];
} game = {RESX/2-4, DISABLED, 0,ENEMY_ROWS*ENEMY_COLUMNS, 0, -1, ENEMY_COLUMNS-1, false};
char key;
void checkISP(void) {
if(gpioGetValue(RB_BTN2)==0){
gpioSetValue (RB_LED1, CFG_LED_ON);
delayms(200);
gpioSetValue (RB_LED1, CFG_LED_OFF);
while(gpioGetValue(RB_BTN0)==0);
EnableWatchdog(1000*5);
ReinvokeISP();
}
}
void draw_rect(char x0, char y0, char x1, char y1) {
for(char x=x0; x<=x1; ++x) {
lcdSetPixel(x,y0,true);
lcdSetPixel(x,y1,true);
}
for(char y=y0+1; y<y1; ++y) {
lcdSetPixel(x0,y,true);
lcdSetPixel(x1,y,true);
}
}
void fill_rect(char x0, char y0, char x1, char y1) {
for(char x=x0; x<=x1; ++x) {
for(char y=y0; y<=y1; ++y) {
lcdSetPixel(x,y,true);
}
}
}
#define STARTVALUE 10
typedef unsigned char uchar;
typedef uchar row_t[RESY+2];
uchar buf1[RESX+2][RESY+2];
uchar buf2[RESX+2][RESY+2];
row_t *life =buf1;
row_t *new =buf2;
void swap_areas() {
row_t *tmp=life;
life=new;
new=tmp;
}
void fill_area(uchar area[RESX+2][RESY+2], uchar x0, uchar y0, uchar x1, uchar y1,uchar value) {
for(uchar x=x0; x<=x1; ++x) {
for(uchar y=y0; y<=y1; ++y) {
area[x][y]=value;
}
}
}
bool find_area(uchar area[RESX+2][RESY+2], uchar x0, uchar y0, uchar x1, uchar y1,uchar value) {
for(uchar x=x0; x<=x1; ++x) {
for(uchar y=y0; y<=y1; ++y) {
if(area[x][y]==value) return true;
}
}
return false;
}
uint32_t sum_area(uchar area[RESX+2][RESY+2], uchar x0, uchar y0, uchar x1, uchar y1) {
uint32_t sum=0;
for(uchar x=x0; x<=x1; ++x) {
for(uchar y=y0; y<=y1; ++y) {
sum+=area[x][y];
}
}
return sum;
}
void draw_area() {
for(uchar x=1; x<=RESX; ++x) {
for(uchar y=1; y<=RESY; ++y) {
lcdSetPixel(x,y,life[x+1][y+1]&1);
}
}
}
void calc_waldbrand() {
fprintf(stderr,"calc area...\n");
// swap_areas();
// return;
for(uchar x=1; x<=RESX; ++x) {
for(uchar y=1; y<=RESY; ++y) {
if(life[x][y]==0) {
new[x][y]=rnd1()<20?0:(find_area(life,x-1,y-1,x+1,y+1,STARTVALUE)?STARTVALUE:0);
} else {
new[x][y]=life[x][y]-1;
}
// new[x][y]=sum_area(life,x-1,y-1,x+1,y+1)%2;
}
}
swap_areas();
}
void calc_area() {
static unsigned long iter=0;
fprintf(stderr,"Iteration %d \n",++iter);
for(uchar x=1; x<=RESX; ++x) {
for(uchar y=1; y<=RESY; ++y) {
uchar sum=sum_area(life,x-1,y-1,x+1,y+1)-life[x][y];
new[x][y]=sum==3||sum==2&&life[x][y];
}
}
swap_areas();
}
int pattern=0;
#define PATTERNCOUNT 3
void reset_area() {
fill_area(life,0,0,RESX+1,RESY+1,0);
switch(pattern) {
case 0:
for(uchar x=STARTVALUE; x>0; --x) {
for(uchar y=1; y<RESY/2; ++y) {
life[RESX/2+x][y]=x;
}
}
life[7][7]=1;
life[17][7]=1;
life[7][17]=1;
new[55][15]=1;
new[45][25]=1;
new[35][35]=1;
new[25][45]=1;
new[15][55]=1;
break;
case 1:
for(int i=0; i<RESX/3; ++i) life[i][0]=1;
break;
case 2:
life[RESX/2][RESY/2]=1;
break;
}
}
void random_area(uchar area[RESX+2][RESY+2], uchar x0, uchar y0, uchar x1, uchar y1,uchar value) {
for(uchar x=x0; x<=x1; ++x) {
for(uchar y=y0; y<=y1; ++y) {
area[x][y]=rnd1()<value;
}
}
}
uchar stepmode=0;
uchar randdensity=0;
void main_life(void) {
gpioSetValue (RB_LED1, CFG_LED_OFF);
backlightInit();
reset_area();
while (1) {
// checkISP();
lcdFill(0);
uint32_t button=(stepmode?getInputWait():getInput());
if(button!=BTN_ENTER) randdensity=0;
switch(button) {
case BTN_DOWN:
stepmode=1;
break;
case BTN_RIGHT:
stepmode=0;
break;
case BTN_LEFT:
reset_area();
break;
case BTN_ENTER:
randdensity+=8;
random_area(life,1,1,RESX,RESY,randdensity);
stepmode=1;
break;
case BTN_UP:
pattern=(pattern+1)%PATTERNCOUNT;
reset_area();
stepmode=1;
break;
}
draw_area();
lcdDisplay();
delayms(10);
calc_area();
}
return;
}
// random code from ecc
static int xrandm=100000000;
static int xrandm1=10000;
static int xrandb1=51723621;
int xmult(int p,int q)
{
int p1,p0,q1,q0;
p1=p/xrandm1; p0=p%xrandm1;
q1=q/xrandm1; q0=q%xrandm1;
return (((p0*q1+p1*q0)%xrandm1)*xrandm1+p0*q0)%xrandm;
}
unsigned char rnd1()
{
static int a=123456789;
a = (xmult(a,xrandb1)+1)%xrandm;
return a & 0xff;
}