109 lines
2.1 KiB
C
109 lines
2.1 KiB
C
#include <element.h>
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int update_SOAP(UPDATE_FUNC_ARGS) {
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int r, rx, ry, wc;
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wc = -1;
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//0x01 - bubble on/off
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//0x02 - first mate yes/no
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//0x04 - second mate yes/no
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if (pv[y/CELL][x/CELL]>0.5f)
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parts[i].ctype |= 0x01;
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if (parts[i].ctype&0x01 == 0x01)
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{
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parts[i].vy -= 0.1f;
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parts[i].vy *= 0.5f;
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parts[i].vx *= 0.5f;
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if(parts[i].ctype&0x02 != 0x02)
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{
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for (rx=-2; rx<3; rx++)
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for (ry=-2; ry<3; ry++)
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if (x+rx>=0 && y+ry>0 && x+rx<XRES && y+ry<YRES && (rx || ry))
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{
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r = pmap[y+ry][x+rx];
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if ((r>>8)>=NPART || !r)
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continue;
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if ((parts[r>>8].type == PT_SOAP) && (parts[r>>8].ctype&0x01==0x01)
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&& (parts[r>>8].ctype&0x04!=0x04))
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{
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if (parts[r>>8].ctype&0x02 == 0x02)
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{
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parts[i].tmp = r>>8;
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parts[r>>8].tmp2 = i;
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parts[i].ctype |= 0x02;
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parts[r>>8].ctype |= 0x04;
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}
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else
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{
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if (parts[i].ctype&0x02!=0x02)
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{
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parts[i].tmp = r>>8;
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parts[r>>8].tmp2 = i;
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parts[i].ctype |= 0x02;
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parts[r>>8].ctype |= 0x04;
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}
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}
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}
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}
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}
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else
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{
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float d, dx, dy;
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dx = parts[i].x - parts[parts[i].tmp].x;
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dy = parts[i].y - parts[parts[i].tmp].y;
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d = 9/(pow(dx, 2)+pow(dy, 2)+9)-0.5;
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parts[parts[i].tmp].x -= dx*d;
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parts[parts[i].tmp].y -= dy*d;
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parts[i].x += dx*d;
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parts[i].y += dy*d;
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if ((parts[parts[i].tmp].ctype&0x02 == 0x02) && (parts[parts[i].tmp].ctype&0x01 == 0x01))
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{
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float d, dx, dy;
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int ii;
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ii = parts[parts[i].tmp].tmp;
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dx = parts[ii].x - parts[parts[i].tmp].x;
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dy = parts[ii].y - parts[parts[i].tmp].y;
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d = 36/(pow(dx, 2)+pow(dy, 2)+36)-0.5;
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parts[parts[i].tmp].x -= dx*d*0.5f;
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parts[parts[i].tmp].y -= dy*d*0.5f;
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parts[ii].x += dx*d*0.5f;
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parts[ii].y += dy*d*0.5f;
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}
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}
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}
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else
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{
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for (rx=-2; rx<3; rx++)
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for (ry=-2; ry<3; ry++)
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if (x+rx>=0 && y+ry>0 && x+rx<XRES && y+ry<YRES && (rx || ry))
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{
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r = pmap[y+ry][x+rx];
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if ((r>>8)>=NPART || !r)
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continue;
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}
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}
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return 0;
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}
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