The-Powder-Toy/src/simulation/elements/PIPE.cpp

509 lines
14 KiB
C++

#include "simulation/Elements.h"
//#TPT-Directive ElementClass Element_PIPE PT_PIPE 99
Element_PIPE::Element_PIPE()
{
Identifier = "DEFAULT_PT_PIPE";
Name = "PIPE";
Colour = PIXPACK(0x444444);
MenuVisible = 1;
MenuSection = SC_SOLIDS;
Enabled = 1;
Advection = 0.0f;
AirDrag = 0.00f * CFDS;
AirLoss = 0.95f;
Loss = 0.00f;
Collision = 0.0f;
Gravity = 0.0f;
Diffusion = 0.00f;
HotAir = 0.000f * CFDS;
Falldown = 0;
Flammable = 0;
Explosive = 0;
Meltable = 0;
Hardness = 0;
Weight = 100;
Temperature = 273.15f;
HeatConduct = 0;
Description = "Moves elements around, read FAQ on website for help.";
State = ST_SOLID;
Properties = TYPE_SOLID|PROP_LIFE_DEC;
LowPressure = IPL;
LowPressureTransition = NT;
HighPressure = 10.0f;
HighPressureTransition = PT_BRMT;
LowTemperature = ITL;
LowTemperatureTransition = NT;
HighTemperature = ITH;
HighTemperatureTransition = NT;
Update = &Element_PIPE::update;
Graphics = &Element_PIPE::graphics;
}
#define PFLAG_NORMALSPEED 0x00010000
// parts[].tmp flags
// trigger flags to be processed this frame (trigger flags for next frame are shifted 3 bits to the left):
#define PPIP_TMPFLAG_TRIGGER_ON 0x10000000
#define PPIP_TMPFLAG_TRIGGER_OFF 0x08000000
#define PPIP_TMPFLAG_TRIGGER_REVERSE 0x04000000
#define PPIP_TMPFLAG_TRIGGERS 0x1C000000
// current status of the pipe
#define PPIP_TMPFLAG_PAUSED 0x02000000
#define PPIP_TMPFLAG_REVERSED 0x01000000
// 0x000000FF element
// 0x00000100 is single pixel pipe
// 0x00000200 will transfer like a single pixel pipe when in forward mode
// 0x00001C00 forward single pixel pipe direction
// 0x00002000 will transfer like a single pixel pipe when in reverse mode
// 0x0001C000 reverse single pixel pipe direction
signed char pos_1_rx[] = {-1,-1,-1, 0, 0, 1, 1, 1};
signed char pos_1_ry[] = {-1, 0, 1,-1, 1,-1, 0, 1};
//#TPT-Directive ElementHeader Element_PIPE static int update(UPDATE_FUNC_ARGS)
int Element_PIPE::update(UPDATE_FUNC_ARGS)
{
int r, rx, ry, np;
int rnd, rndstore;
if (parts[i].tmp & PPIP_TMPFLAG_TRIGGERS)
{
int pause_changed = 0;
if (parts[i].tmp & PPIP_TMPFLAG_TRIGGER_ON) // TRIGGER_ON overrides TRIGGER_OFF
{
if (parts[i].tmp & PPIP_TMPFLAG_PAUSED)
pause_changed = 1;
parts[i].tmp &= ~PPIP_TMPFLAG_PAUSED;
}
else if (parts[i].tmp & PPIP_TMPFLAG_TRIGGER_OFF)
{
if (!(parts[i].tmp & PPIP_TMPFLAG_PAUSED))
pause_changed = 1;
parts[i].tmp |= PPIP_TMPFLAG_PAUSED;
}
if (pause_changed)
{
int rx, ry, r;
for (rx=-2; rx<3; rx++)
for (ry=-2; ry<3; ry++)
{
if (x+rx>=0 && y+ry>0 && x+rx<XRES && y+ry<YRES && (rx || ry))
{
r = pmap[y+ry][x+rx];
if ((r&0xFF) == PT_BRCK)
{
if (parts[i].tmp & PPIP_TMPFLAG_PAUSED)
parts[r>>8].tmp = 0;
else
parts[r>>8].tmp = 1; //make surrounding BRCK glow
}
}
}
}
if (parts[i].tmp & PPIP_TMPFLAG_TRIGGER_REVERSE)
{
parts[i].tmp ^= PPIP_TMPFLAG_REVERSED;
if (parts[i].ctype == 2) //Switch colors so it goes in reverse
parts[i].ctype = 4;
else if (parts[i].ctype == 4)
parts[i].ctype = 2;
if (parts[i].tmp & 0x100) //Switch one pixel pipe direction
{
int coords = (parts[i].tmp>>13)&0xF;
int coords2 = (parts[i].tmp>>9)&0xF;
parts[i].tmp &= ~0x1FE00;
parts[i].tmp |= coords<<9;
parts[i].tmp |= coords2<<13;
}
}
parts[i].tmp &= ~PPIP_TMPFLAG_TRIGGERS;
}
if (parts[i].ctype>=2 && parts[i].ctype<=4 && !(parts[i].tmp & PPIP_TMPFLAG_PAUSED))
{
if (parts[i].life==3)
{
int lastneighbor = -1;
int neighborcount = 0;
int count = 0;
// make automatic pipe pattern
for (rx=-1; rx<2; rx++)
for (ry=-1; ry<2; ry++)
if (x+rx>=0 && y+ry>0 && x+rx<XRES && y+ry<YRES && (rx || ry))
{
r = pmap[y+ry][x+rx];
if (!r)
continue;
if (((r&0xFF)==PT_PIPE || (r&0xFF) == PT_PPIP)&&parts[r>>8].ctype==1)
{
parts[r>>8].ctype = (((parts[i].ctype)%3)+2);//reverse
parts[r>>8].life = 6;
if ( parts[i].tmp&0x100)//is a single pixel pipe
{
parts[r>>8].tmp |= 0x200;//will transfer to a single pixel pipe
parts[r>>8].tmp |= count<<10;//coords of where it came from
parts[i].tmp |= ((7-count)<<14);
parts[i].tmp |= 0x2000;
}
neighborcount ++;
lastneighbor = r>>8;
}
else if (((r&0xFF)==PT_PIPE || (r&0xFF) == PT_PPIP)&&parts[r>>8].ctype!=(((parts[i].ctype-1)%3)+2))
{
neighborcount ++;
lastneighbor = r>>8;
}
count++;
}
if(neighborcount == 1)
parts[lastneighbor].tmp |= 0x100;
}
else
{
if (parts[i].flags&PFLAG_NORMALSPEED)//skip particle push to prevent particle number being higher causing speed up
{
parts[i].flags &= ~PFLAG_NORMALSPEED;
}
else
{
pushParticle(sim, i,0,i);
}
if (nt)//there is something besides PIPE around current particle
{
rndstore = rand();
rnd = rndstore&7;
rndstore = rndstore>>3;
rx = pos_1_rx[rnd];
ry = pos_1_ry[rnd];
if (x+rx>=0 && y+ry>=0 && x+rx<XRES && y+ry<YRES)
{
r = pmap[y+ry][x+rx];
if(!r)
r = sim->photons[y+ry][x+rx];
if (surround_space && !r && (parts[i].tmp&0xFF)!=0) //creating at end
{
np = sim->create_part(-1,x+rx,y+ry,parts[i].tmp&0xFF);
if (np!=-1)
{
transfer_pipe_to_part(parts+i, parts+np);
}
}
//try eating particle at entrance
else if ((parts[i].tmp&0xFF) == 0 && (sim->elements[r&0xFF].Properties & (TYPE_PART | TYPE_LIQUID | TYPE_GAS | TYPE_ENERGY)))
{
if ((r&0xFF)==PT_SOAP)
sim->detach(r>>8);
transfer_part_to_pipe(parts+(r>>8), parts+i);
sim->kill_part(r>>8);
}
else if ((parts[i].tmp&0xFF) == 0 && (r&0xFF)==PT_STOR && parts[r>>8].tmp && (sim->elements[parts[r>>8].tmp].Properties & (TYPE_PART | TYPE_LIQUID | TYPE_GAS | TYPE_ENERGY)))
{
// STOR stores properties in the same places as PIPE does
transfer_pipe_to_pipe(parts+(r>>8), parts+i);
}
}
}
}
}
else if (!parts[i].ctype && parts[i].life<=10)
{
if (parts[i].temp<272.15)//manual pipe colors
{
if (parts[i].temp>173.25)
parts[i].ctype = 2;
else if (parts[i].temp>73.25)
parts[i].ctype = 3;
else if (parts[i].temp>=0)
parts[i].ctype = 4;
parts[i].life = 0;
}
else
{
// make a border
for (rx=-2; rx<3; rx++)
for (ry=-2; ry<3; ry++)
{
if (x+rx>=0 && y+ry>0 && x+rx<XRES && y+ry<YRES && (rx || ry))
{
r = pmap[y+ry][x+rx];
if (!r)
{
int index = sim->create_part(-1,x+rx,y+ry,PT_BRCK);//BRCK border, people didn't like DMND
if (parts[i].type == PT_PPIP && index != -1)
parts[index].tmp = 1;
}
}
}
if (parts[i].life<=1)
parts[i].ctype = 1;
}
}
else if (parts[i].ctype==1)//wait for empty space before starting to generate automatic pipe pattern
{
if (!parts[i].life)
{
for (rx=-1; rx<2; rx++)
for (ry=-1; ry<2; ry++)
if (x+rx>=0 && y+ry>0 && x+rx<XRES && y+ry<YRES && (rx || ry))
{
if (!pmap[y+ry][x+rx] && sim->bmap[(y+ry)/CELL][(x+rx)/CELL]!=WL_ALLOWAIR && sim->bmap[(y+ry)/CELL][(x+rx)/CELL]!=WL_WALL && sim->bmap[(y+ry)/CELL][(x+rx)/CELL]!=WL_WALLELEC && (sim->bmap[(y+ry)/CELL][(x+rx)/CELL]!=WL_EWALL || sim->emap[(y+ry)/CELL][(x+rx)/CELL]))
parts[i].life=50;
}
}
else if (parts[i].life==5)//check for beginning of pipe single pixel
{
int issingle = 1;
for (rx=-1; rx<2; rx++)
for (ry=-1; ry<2; ry++)
if (x+rx>=0 && y+ry>0 && x+rx<XRES && y+ry<YRES && (rx || ry))
{
r = pmap[y+ry][x+rx];
if (((r&0xFF)==PT_PIPE || (r&0xFF) == PT_PPIP) && parts[i].ctype==1 && parts[i].life )
issingle = 0;
}
if (issingle)
parts[i].tmp |= 0x100;
}
else if (parts[i].life==2)
{
parts[i].ctype = 2;
parts[i].life = 6;
}
}
return 0;
}
//#TPT-Directive ElementHeader Element_PIPE static int graphics(GRAPHICS_FUNC_ARGS)
int Element_PIPE::graphics(GRAPHICS_FUNC_ARGS)
{
if ((cpart->tmp&0xFF)>0 && (cpart->tmp&0xFF)<PT_NUM)
{
//Create a temp. particle and do a subcall.
Particle tpart;
int t;
memset(&tpart, 0, sizeof(Particle));
tpart.type = cpart->tmp&0xFF;
tpart.temp = cpart->temp;
tpart.life = cpart->tmp2;
tpart.tmp = cpart->pavg[0];
tpart.ctype = cpart->pavg[1];
if (tpart.type == PT_PHOT && tpart.ctype == 0x40000000)
tpart.ctype = 0x3FFFFFFF;
t = tpart.type;
if (ren->graphicscache[t].isready)
{
*pixel_mode = ren->graphicscache[t].pixel_mode;
*cola = ren->graphicscache[t].cola;
*colr = ren->graphicscache[t].colr;
*colg = ren->graphicscache[t].colg;
*colb = ren->graphicscache[t].colb;
*firea = ren->graphicscache[t].firea;
*firer = ren->graphicscache[t].firer;
*fireg = ren->graphicscache[t].fireg;
*fireb = ren->graphicscache[t].fireb;
}
else
{
*colr = PIXR(ren->sim->elements[t].Colour);
*colg = PIXG(ren->sim->elements[t].Colour);
*colb = PIXB(ren->sim->elements[t].Colour);
if (ren->sim->elements[t].Graphics)
{
(*(ren->sim->elements[t].Graphics))(ren, &tpart, nx, ny, pixel_mode, cola, colr, colg, colb, firea, firer, fireg, fireb);
}
else
{
Element::defaultGraphics(ren, &tpart, nx, ny, pixel_mode, cola, colr, colg, colb, firea, firer, fireg, fireb);
}
}
//*colr = PIXR(elements[cpart->tmp&0xFF].pcolors);
//*colg = PIXG(elements[cpart->tmp&0xFF].pcolors);
//*colb = PIXB(elements[cpart->tmp&0xFF].pcolors);
}
else
{
if (cpart->ctype==2)
{
*colr = 50;
*colg = 1;
*colb = 1;
}
else if (cpart->ctype==3)
{
*colr = 1;
*colg = 50;
*colb = 1;
}
else if (cpart->ctype==4)
{
*colr = 1;
*colg = 1;
*colb = 50;
}
else if (cpart->temp<272.15&&cpart->ctype!=1)
{
if (cpart->temp>173.25&&cpart->temp<273.15)
{
*colr = 50;
*colg = 1;
*colb = 1;
}
if (cpart->temp>73.25&&cpart->temp<=173.15)
{
*colr = 1;
*colg = 50;
*colb = 1;
}
if (cpart->temp>=0&&cpart->temp<=73.15)
{
*colr = 1;
*colg = 1;
*colb = 50;
}
}
}
return 0;
}
//#TPT-Directive ElementHeader Element_PIPE static void transfer_pipe_to_part(Particle *pipe, Particle *part)
void Element_PIPE::transfer_pipe_to_part(Particle *pipe, Particle *part)
{
part->type = (pipe->tmp & 0xFF);
part->temp = pipe->temp;
part->life = pipe->tmp2;
part->tmp = pipe->pavg[0];
part->ctype = pipe->pavg[1];
pipe->tmp &= ~0xFF;
if (part->type != PT_PHOT && part->type != PT_ELEC && part->type != PT_NEUT)
{
part->vx = 0.0f;
part->vy = 0.0f;
}
else if (part->type == PT_PHOT && part->ctype == 0x40000000)
part->ctype = 0x3FFFFFFF;
part->tmp2 = 0;
part->flags = 0;
part->dcolour = 0;
}
//#TPT-Directive ElementHeader Element_PIPE static void transfer_part_to_pipe(Particle *part, Particle *pipe)
void Element_PIPE::transfer_part_to_pipe(Particle *part, Particle *pipe)
{
pipe->tmp = (pipe->tmp&~0xFF) | part->type;
pipe->temp = part->temp;
pipe->tmp2 = part->life;
pipe->pavg[0] = part->tmp;
pipe->pavg[1] = part->ctype;
}
//#TPT-Directive ElementHeader Element_PIPE static void transfer_pipe_to_pipe(Particle *src, Particle *dest)
void Element_PIPE::transfer_pipe_to_pipe(Particle *src, Particle *dest)
{
dest->tmp = (dest->tmp&~0xFF) | (src->tmp&0xFF);
dest->temp = src->temp;
dest->tmp2 = src->tmp2;
dest->pavg[0] = src->pavg[0];
dest->pavg[1] = src->pavg[1];
src->tmp &= ~0xFF;
}
//#TPT-Directive ElementHeader Element_PIPE static void pushParticle(Simulation * sim, int i, int count, int original)
void Element_PIPE::pushParticle(Simulation * sim, int i, int count, int original)
{
int rndstore, rnd, rx, ry, r, x, y, np, q, notctype=(((sim->parts[i].ctype)%3)+2);
if ((sim->parts[i].tmp&0xFF) == 0 || count >= 2)//don't push if there is nothing there, max speed of 2 per frame
return;
x = (int)(sim->parts[i].x+0.5f);
y = (int)(sim->parts[i].y+0.5f);
if( !(sim->parts[i].tmp&0x200) )
{
//normal random push
rndstore = rand();
// RAND_MAX is at least 32767 on all platforms i.e. pow(8,5)-1
// so can go 5 cycles without regenerating rndstore
for (q=0; q<3; q++)//try to push 3 times
{
rnd = rndstore&7;
rndstore = rndstore>>3;
rx = pos_1_rx[rnd];
ry = pos_1_ry[rnd];
if (x+rx>=0 && y+ry>=0 && x+rx<XRES && y+ry<YRES)
{
r = sim->pmap[y+ry][x+rx];
if (!r)
continue;
else if (((r&0xFF)==PT_PIPE || (r&0xFF) == PT_PPIP) && sim->parts[r>>8].ctype!=notctype && (sim->parts[r>>8].tmp&0xFF)==0)
{
transfer_pipe_to_pipe(sim->parts+i, sim->parts+(r>>8));
if (r>>8 > original)
sim->parts[r>>8].flags |= PFLAG_NORMALSPEED;//skip particle push, normalizes speed
count++;
pushParticle(sim, r>>8,count,original);
}
else if ((r&0xFF) == PT_PRTI) //Pass particles into PRTI for a pipe speed increase
{
int nnx;
for (nnx=0; nnx<80; nnx++)
if (!sim->portalp[sim->parts[r>>8].tmp][count][nnx].type)
{
transfer_pipe_to_part(sim->parts+i, &(sim->portalp[sim->parts[r>>8].tmp][count][nnx]));
count++;
break;
}
}
}
}
}
else //predefined 1 pixel thick pipe movement
{
int coords = 7 - ((sim->parts[i].tmp>>10)&7);
r = sim->pmap[y+ pos_1_ry[coords]][x+ pos_1_rx[coords]];
if (((r&0xFF)==PT_PIPE || (r&0xFF) == PT_PPIP) && sim->parts[r>>8].ctype!=notctype && (sim->parts[r>>8].tmp&0xFF)==0)
{
transfer_pipe_to_pipe(sim->parts+i, sim->parts+(r>>8));
if (r>>8 > original)
sim->parts[r>>8].flags |= PFLAG_NORMALSPEED;//skip particle push, normalizes speed
count++;
pushParticle(sim, r>>8,count,original);
}
else if ((r&0xFF) == PT_PRTI) //Pass particles into PRTI for a pipe speed increase
{
int nnx;
for (nnx=0; nnx<80; nnx++)
if (!sim->portalp[sim->parts[r>>8].tmp][count][nnx].type)
{
transfer_pipe_to_part(sim->parts+i, &(sim->portalp[sim->parts[r>>8].tmp][count][nnx]));
count++;
break;
}
}
else if ((r&0xFF) == PT_NONE) //Move particles out of pipe automatically, much faster at ends
{
rx = pos_1_rx[coords];
ry = pos_1_ry[coords];
np = sim->create_part(-1,x+rx,y+ry,sim->parts[i].tmp&0xFF);
if (np!=-1)
{
transfer_pipe_to_part(sim->parts+i, sim->parts+np);
}
}
}
return;
}
Element_PIPE::~Element_PIPE() {}