6fb69f591f
PCLN is different for compatibility with some existing saves relying on the exact
time taken for a switch on/off to spread through adjacent PCLN dots
(commit 692e2ba86d)
80 lines
2.1 KiB
C
80 lines
2.1 KiB
C
#include <element.h>
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int update_PBCN(UPDATE_FUNC_ARGS) {
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int r, rx, ry;
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if (parts[i].life>0 && parts[i].life!=10)
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parts[i].life--;
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if (!parts[i].tmp && pv[y/CELL][x/CELL]>4.0f)
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parts[i].tmp = rand()%40+80;
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if (parts[i].tmp)
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{
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float advection = 0.1f;
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parts[i].vx += advection*vx[y/CELL][x/CELL];
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parts[i].vy += advection*vy[y/CELL][x/CELL];
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parts[i].tmp--;
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if(!parts[i].tmp){
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kill_part(i);
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return 1;
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}
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}
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if (parts[i].ctype<=0 || parts[i].ctype>=PT_NUM)
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for (rx=-1; rx<2; rx++)
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for (ry=-1; ry<2; ry++)
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if (x+rx>=0 && y+ry>=0 && x+rx<XRES && y+ry<YRES)
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{
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r = photons[y+ry][x+rx];
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if (!r || (r>>8)>=NPART)
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r = pmap[y+ry][x+rx];
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if (!r || (r>>8)>=NPART)
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continue;
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if ((r&0xFF)!=PT_CLNE && (r&0xFF)!=PT_PCLN &&
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(r&0xFF)!=PT_BCLN && (r&0xFF)!=PT_SPRK &&
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(r&0xFF)!=PT_NSCN && (r&0xFF)!=PT_PSCN &&
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(r&0xFF)!=PT_STKM && (r&0xFF)!=PT_STKM2 &&
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(r&0xFF)!=PT_PBCN && (r&0xFF)<PT_NUM)
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parts[i].ctype = r&0xFF;
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}
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if (parts[i].life==10)
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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 ((r&0xFF)==PT_PBCN)
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{
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if (parts[r>>8].life<10&&parts[r>>8].life>0)
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parts[i].life = 9;
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else if (parts[r>>8].life==0)
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parts[r>>8].life = 10;
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}
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}
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}
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if (parts[i].ctype>0 && parts[i].ctype<PT_NUM && parts[i].life==10) {
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if (parts[i].ctype==PT_PHOT) {//create photons a different way
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for (rx=-1; rx<2; rx++) {
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for (ry=-1; ry<2; ry++) {
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int r = create_part(-1, x+rx, y+ry, parts[i].ctype);
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if (r!=-1) {
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parts[r].vx = rx*3;
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parts[r].vy = ry*3;
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}
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}
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}
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}
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else if (ptypes[parts[i].ctype].properties&PROP_LIFE) {//create life a different way
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for (rx=-1; rx<2; rx++) {
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for (ry=-1; ry<2; ry++) {
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create_part(-1, x+rx, y+ry, parts[i].ctype);
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}
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}
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} else {
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create_part(-1, x+rand()%3-1, y+rand()%3-1, parts[i].ctype);
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}
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}
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return 0;
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}
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