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The-Powder-Toy/elements/prti.cpp
Simon Robertshaw b0ea52690b Initial
2012-01-08 17:39:03 +00:00

80 lines
2.2 KiB
C++

#include "element.h"
/*these are the count values of where the particle gets stored, depending on where it came from
0 1 2
7 . 3
6 5 4
PRTO does (count+4)%8, so that it will come out at the opposite place to where it came in
PRTO does +/-1 to the count, so it doesn't jam as easily
*/
int portal_rx[8] = {-1, 0, 1, 1, 1, 0,-1,-1};
int portal_ry[8] = {-1,-1,-1, 0, 1, 1, 1, 0};
int update_PRTI(UPDATE_FUNC_ARGS) {
int r, nnx, rx, ry, fe = 0;
int count =0;
parts[i].tmp = (int)((parts[i].temp-73.15f)/100+1);
if (parts[i].tmp>=CHANNELS) parts[i].tmp = CHANNELS-1;
else if (parts[i].tmp<0) parts[i].tmp = 0;
for (count=0; count<8; count++)
{
rx = portal_rx[count];
ry = portal_ry[count];
if (x+rx>=0 && y+ry>0 && x+rx<XRES && y+ry<YRES && (rx || ry))
{
r = pmap[y+ry][x+rx];
if (!r)
fe = 1;
if (!r || (r&0xFF)==PT_PRTI || (r&0xFF)==PT_PRTO || (sim->ptypes[r&0xFF].falldown== 0 && sim->ptypes[r&0xFF].state != ST_GAS && (r&0xFF)!=PT_SPRK))
{
r = sim->photons[y+ry][x+rx];
if (!r || (r&0xFF)==PT_PRTI || (r&0xFF)==PT_PRTO || (sim->ptypes[r&0xFF].falldown== 0 && sim->ptypes[r&0xFF].state != ST_GAS && (r&0xFF)!=PT_SPRK))
continue;
}
if ((r&0xFF) == PT_SOAP)
sim->detach(r>>8);
for ( nnx=0; nnx<80; nnx++)
if (!sim->portalp[parts[i].tmp][count][nnx].type)
{
sim->portalp[parts[i].tmp][count][nnx] = parts[r>>8];
if ((r&0xFF)==PT_SPRK)
sim->part_change_type(r>>8,x+rx,y+ry,parts[r>>8].ctype);
else
sim->kill_part(r>>8);
fe = 1;
break;
}
}
}
if (fe) {
int orbd[4] = {0, 0, 0, 0}; //Orbital distances
int orbl[4] = {0, 0, 0, 0}; //Orbital locations
if (!parts[i].life) parts[i].life = rand();
if (!parts[i].ctype) parts[i].ctype = rand();
sim->orbitalparts_get(parts[i].life, parts[i].ctype, orbd, orbl);
for (r = 0; r < 4; r++) {
if (orbd[r]>1) {
orbd[r] -= 12;
if (orbd[r]<1) {
orbd[r] = (rand()%128)+128;
orbl[r] = rand()%255;
} else {
orbl[r] += 2;
orbl[r] = orbl[r]%255;
}
} else {
orbd[r] = (rand()%128)+128;
orbl[r] = rand()%255;
}
}
sim->orbitalparts_set(&parts[i].life, &parts[i].ctype, orbd, orbl);
} else {
parts[i].life = 0;
parts[i].ctype = 0;
}
return 0;
}