105 lines
2.9 KiB
C++
105 lines
2.9 KiB
C++
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#include "element.h"
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int update_SING(UPDATE_FUNC_ARGS) {
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int r, rx, ry, cry, crx, rad, nxi, nxj, nb, j, spawncount;
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int singularity = -parts[i].life;
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float angle, v;
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if (sim->pv[y/CELL][x/CELL]<singularity)
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sim->pv[y/CELL][x/CELL] += 0.1f*(singularity-sim->pv[y/CELL][x/CELL]);
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if (y+CELL<YRES && sim->pv[y/CELL+1][x/CELL]<singularity)
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sim->pv[y/CELL+1][x/CELL] += 0.1f*(singularity-sim->pv[y/CELL+1][x/CELL]);
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if (x+CELL<XRES)
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{
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sim->pv[y/CELL][x/CELL+1] += 0.1f*(singularity-sim->pv[y/CELL][x/CELL+1]);
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if (y+CELL<YRES)
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sim->pv[y/CELL+1][x/CELL+1] += 0.1f*(singularity-sim->pv[y/CELL+1][x/CELL+1]);
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}
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if (y+CELL>0 && sim->pv[y/CELL-1][x/CELL]<singularity)
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sim->pv[y/CELL-1][x/CELL] += 0.1f*(singularity-sim->pv[y/CELL-1][x/CELL]);
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if (x+CELL>0)
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{
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sim->pv[y/CELL][x/CELL-1] += 0.1f*(singularity-sim->pv[y/CELL][x/CELL-1]);
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if (y+CELL>0)
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sim->pv[y/CELL-1][x/CELL-1] += 0.1f*(singularity-sim->pv[y/CELL-1][x/CELL-1]);
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}
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if (parts[i].life<1) {
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//Pop!
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for (rx=-2; rx<3; rx++) {
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crx = (x/CELL)+rx;
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for (ry=-2; ry<3; ry++) {
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cry = (y/CELL)+ry;
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if (cry > 0 && crx > 0 && crx < (XRES/CELL) && cry < (YRES/CELL)) {
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sim->pv[cry][crx] += (float)parts[i].tmp;
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}
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}
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}
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spawncount = (parts[i].tmp>255)?255:parts[i].tmp;
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if (spawncount>=1)
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spawncount = spawncount/8;
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spawncount = spawncount*spawncount*M_PI;
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for (j=0;j<spawncount;j++)
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{
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switch(rand()%3)
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{
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case 0:
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nb = sim->create_part(-3, x, y, PT_PHOT);
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break;
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case 1:
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nb = sim->create_part(-3, x, y, PT_NEUT);
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break;
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case 2:
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nb = sim->create_part(-3, x, y, PT_ELEC);
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break;
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}
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if (nb!=-1) {
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parts[nb].life = (rand()%300);
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parts[nb].temp = MAX_TEMP/2;
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angle = rand()*2.0f*M_PI/RAND_MAX;
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v = (float)(rand())*5.0f/RAND_MAX;
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parts[nb].vx = v*cosf(angle);
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parts[nb].vy = v*sinf(angle);
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}
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else if (sim->pfree==-1)
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break;//if we've run out of particles, stop trying to create them - saves a lot of lag on "sing bomb" saves
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}
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sim->kill_part(i);
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return 1;
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}
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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 && (rx || ry))
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{
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r = pmap[y+ry][x+rx];
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if (!r)
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continue;
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if ((r&0xFF)!=PT_DMND&&33>=rand()/(RAND_MAX/100)+1)
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{
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if ((r&0xFF)==PT_SING && parts[r>>8].life >10)
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{
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if (parts[i].life+parts[r>>8].life > 255)
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continue;
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parts[i].life += parts[r>>8].life;
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}
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else
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{
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if (parts[i].life+3 > 255)
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{
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if (parts[r>>8].type!=PT_SING && 1>rand()%100)
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{
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int np;
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np = sim->create_part(r>>8,x+rx,y+ry,PT_SING);
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parts[np].life = rand()%50+60;
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}
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continue;
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}
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parts[i].life += 3;
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parts[i].tmp++;
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}
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parts[i].temp = restrict_flt(parts[r>>8].temp+parts[i].temp, MIN_TEMP, MAX_TEMP);
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sim->kill_part(r>>8);
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}
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}
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return 0;
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}
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