247 lines
6.1 KiB
C
247 lines
6.1 KiB
C
#include <sysinit.h>
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#include "basic/basic.h"
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#include "lcd/render.h"
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#include "lcd/display.h"
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#include "basic/config.h"
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#include "usetable.h"
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#define BITSET_X (RESX+2)
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#define BITSET_Y (RESY+2)
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#define BITSET_SIZE (BITSET_X*BITSET_Y)
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#define BITSETCHUNKSIZE 32
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#define one ((uint32_t)1)
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struct bitset {
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uint16_t size;
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uint32_t bits[BITSET_SIZE/BITSETCHUNKSIZE+1];
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};
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typedef uint8_t uchar;
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int pattern=0;
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#define PATTERNCOUNT 3
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uchar stepmode=0;
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uchar randdensity=0;
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//uint8_t bl=0;
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struct bitset _buf1,*buf1=&_buf1;
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struct bitset _buf2,*buf2=&_buf2;
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struct bitset *life =&_buf1;
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struct bitset *new =&_buf2;
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static void draw_area();
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static void calc_area();
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static void random_area(struct bitset *area, uchar x0, uchar y0, uchar x1, uchar y1,uchar value);
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static void reset_area();
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static void nextledcycle();
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void ram(void) {
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getInputWaitRelease();
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reset_area();
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random_area(life,1,1,RESX,RESY,40);
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lcdClear();
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setExtFont(GLOBAL(nickfont));
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DoString(20,20,GLOBAL(nickname));
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#if 0
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gpioSetValue (RB_LED0, CFG_LED_ON);
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gpioSetValue (RB_LED1, CFG_LED_ON);
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gpioSetValue (RB_LED2, CFG_LED_ON);
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gpioSetValue (RB_LED3, CFG_LED_ON);
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#endif
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while (1) {
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draw_area(); // xor life pattern over display content
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lcdDisplay();
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draw_area(); // xor life pattern again to restore original display content
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lcdShift(1,-2,1);
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if(getInputRaw())
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return;
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delayms_queue(10);
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calc_area();
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}
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return;
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}
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static inline void bitset_set(struct bitset *bs,uint16_t index, uint8_t value) {
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uint16_t base=index/BITSETCHUNKSIZE;
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uint16_t offset=index%BITSETCHUNKSIZE;
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if(value) {
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bs->bits[base]|=(one<<offset);
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} else {
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bs->bits[base]&=~(one<<offset);
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}
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}
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static inline void bitset_xor(struct bitset *bs,uint16_t index, uint8_t value) {
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uint16_t base=index/BITSETCHUNKSIZE;
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uint16_t offset=index%BITSETCHUNKSIZE;
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if(value) {
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bs->bits[base]^=(one<<offset);
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}
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}
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static inline uint8_t bitset_get(struct bitset *bs,uint16_t index) {
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uint16_t base=index/BITSETCHUNKSIZE;
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uint16_t offset=index%BITSETCHUNKSIZE;
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return (bs->bits[base]&(one<<offset))==(one<<offset);;
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}
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static inline uint16_t bitset_offset2(uint8_t x, uint8_t y) {
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return ((uint16_t)x)+((uint16_t)y)*BITSET_X;
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}
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static inline void bitset_set2(struct bitset *bs, uint8_t x, uint8_t y, uint8_t value) {
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bitset_set(bs,bitset_offset2(x,y),value);
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}
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static inline void bitset_xor2(struct bitset *bs, uint8_t x, uint8_t y, uint8_t value) {
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bitset_xor(bs,bitset_offset2(x,y),value);
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}
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static inline uint8_t bitset_get2(struct bitset *bs,uint8_t x,uint8_t y) {
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return bitset_get(bs,bitset_offset2(x,y));
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}
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static void draw_rect(char x0, char y0, char x1, char y1) {
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for(char x=x0; x<=x1; ++x) {
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lcdSetPixel(x,y0,true);
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lcdSetPixel(x,y1,true);
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}
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for(char y=y0+1; y<y1; ++y) {
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lcdSetPixel(x0,y,true);
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lcdSetPixel(x1,y,true);
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}
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}
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static void fill_rect(char x0, char y0, char x1, char y1) {
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for(char x=x0; x<=x1; ++x) {
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for(char y=y0; y<=y1; ++y) {
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lcdSetPixel(x,y,true);
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}
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}
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}
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#define STARTVALUE 10
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static void swap_areas() {
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struct bitset *tmp=life;
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life=new;
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new=tmp;
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}
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static void fill_area(struct bitset *area, uchar x0, uchar y0, uchar x1, uchar y1,uchar value) {
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for(uchar x=x0; x<=x1; ++x) {
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for(uchar y=y0; y<=y1; ++y) {
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bitset_set2(area,x,y,value);
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}
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}
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}
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static bool find_area(struct bitset *area, uchar x0, uchar y0, uchar x1, uchar y1,uchar value) {
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for(uchar x=x0; x<=x1; ++x) {
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for(uchar y=y0; y<=y1; ++y) {
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if(bitset_get2(area,x,y)==value) return true;
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}
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}
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return false;
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}
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static uint32_t sum_area(struct bitset *area, uchar x0, uchar y0, uchar x1, uchar y1) {
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uint32_t sum=0;
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for(uchar x=x0; x<=x1; ++x) {
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for(uchar y=y0; y<=y1; ++y) {
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sum+=bitset_get2(area,x,y);
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}
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}
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return sum;
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}
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static void draw_area() {
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for(uchar x=0; x<RESX; ++x) {
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for(uchar y=0; y<RESY; ++y) {
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lcdSetPixel(x,y,lcdGetPixel(x,y)^bitset_get2(life,x+1,y+1));
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}
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}
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}
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static void calc_area() {
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#ifdef SIMULATOR
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static unsigned long iter=0;
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fprintf(stderr,"Iteration %d \n",++iter);
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#endif
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for(uchar x=1; x<=RESX; ++x) {
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for(uchar y=1; y<=RESY; ++y) {
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uchar sum=sum_area(life,x-1,y-1,x+1,y+1)-bitset_get2(life,x,y);
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bitset_set2(new,x,y,sum==3||(sum==2&&bitset_get2(life,x,y)));
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}
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}
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swap_areas();
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}
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static void reset_area() {
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fill_area(life,0,0,RESX+1,RESY+1,0);
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fill_area(new,0,0,RESX+1,RESY+1,0);
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switch(pattern) {
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case 0:
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bitset_set2(life,41,40,1);
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bitset_set2(life,42,40,1);
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bitset_set2(life,41,41,1);
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bitset_set2(life,40,41,1);
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bitset_set2(life,41,42,1);
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break;
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#if 0
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case 1:
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for(int i=0; i<RESX/2; ++i) bitset_set2(life,i,0,1);
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bitset_set2(life,40,40,1);
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bitset_set2(life,41,40,1);
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bitset_set2(life,41,41,1);
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break;
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case 2:
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bitset_set2(life,40,40,1);
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bitset_set2(life,41,40,1);
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bitset_set2(life,42,40,1);
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bitset_set2(life,42,41,1);
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bitset_set2(life,42,42,1);
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bitset_set2(life,40,41,1);
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bitset_set2(life,40,42,1);
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break;
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#endif
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}
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}
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static void random_area(struct bitset *area, uchar x0, uchar y0, uchar x1, uchar y1,uchar value) {
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for(uchar x=x0; x<=x1; ++x) {
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for(uchar y=y0; y<=y1; ++y) {
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bitset_set2(area,x,y,(getRandom()>>24)<value);
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}
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}
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}
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#define LEDINTERVAL 1
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static void nextledcycle() {
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static uint8_t ledcycle=3;
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ledcycle=(ledcycle+1)%(8*LEDINTERVAL);
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uint8_t a=ledcycle/LEDINTERVAL;
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switch(a) {
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case 0: gpioSetValue (RB_LED0, CFG_LED_ON); break;
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case 4: gpioSetValue (RB_LED0, CFG_LED_OFF); break;
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case 1: gpioSetValue (RB_LED1, CFG_LED_ON); break;
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case 5: gpioSetValue (RB_LED1, CFG_LED_OFF); break;
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case 2: gpioSetValue (RB_LED2, CFG_LED_ON); break;
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case 6: gpioSetValue (RB_LED2, CFG_LED_OFF); break;
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case 3: gpioSetValue (RB_LED3, CFG_LED_ON); break;
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case 7: gpioSetValue (RB_LED3, CFG_LED_OFF); break;
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}
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}
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