The-Powder-Toy/powder.c
Felix Wallin 99ae022d55 astyle
2010-09-18 09:52:14 +02:00

2944 lines
112 KiB
C

#include <math.h>
#include "defines.h"
#include "powder.h"
#include "air.h"
#include "misc.h"
int isplayer = 0;
float player[27]; //[0] is a command cell, [3]-[18] are legs positions, [19] is index, [19]-[26] are accelerations
particle *parts;
particle *cb_parts;
unsigned char bmap[YRES/CELL][XRES/CELL];
unsigned char emap[YRES/CELL][XRES/CELL];
unsigned char cb_bmap[YRES/CELL][XRES/CELL];
unsigned char cb_emap[YRES/CELL][XRES/CELL];
int pfree;
unsigned pmap[YRES][XRES];
unsigned cb_pmap[YRES][XRES];
int try_move(int i, int x, int y, int nx, int ny)
{
unsigned r;
if(nx<0 || ny<0 || nx>=XRES || ny>=YRES)
return 0;
if(x==nx && y==ny)
return 1;
r = pmap[ny][nx];
if(r && (r>>8)<NPART)
r = (r&~0xFF) | parts[r>>8].type;
if(parts[i].type==PT_PHOT&&((r&0xFF)==PT_GLAS||(r&0xFF)==PT_PHOT||(r&0xFF)==PT_CLNE||((r&0xFF)==PT_LCRY&&parts[r>>8].life > 5)))
{
return 1;
}
if((r&0xFF)==PT_VOID)
{
parts[i].type=PT_NONE;
return 0;
}
if((r&0xFF)==PT_BHOL)
{
parts[i].type=PT_NONE;
if(!legacy_enable)
{
parts[r>>8].temp = restrict_flt(parts[r>>8].temp+parts[i].temp/2, MIN_TEMP, MAX_TEMP);//3.0f;
}
return 0;
}
if(parts[i].type==PT_STKM) //Stick man's head shouldn't collide
{
return 1;
}
if(bmap[ny/CELL][nx/CELL]==12 && !emap[y/CELL][x/CELL])
{
return 1;
}
if(bmap[ny/CELL][nx/CELL]==13 && ptypes[parts[i].type].falldown!=0 && parts[i].type!=PT_FIRE && parts[i].type!=PT_SMKE)
{
return 0;
}
if((bmap[y/CELL][x/CELL]==12 && !emap[y/CELL][x/CELL]) && (bmap[ny/CELL][nx/CELL]!=12 && !emap[ny/CELL][nx/CELL]))
{
return 0;
}
if(ptypes[parts[i].type].falldown!=2 && bmap[ny/CELL][nx/CELL]==3)
return 0;
if((parts[i].type==PT_NEUT ||parts[i].type==PT_PHOT) && bmap[ny/CELL][nx/CELL]==7 && !emap[ny/CELL][nx/CELL])
return 0;
if(r && (r>>8)<NPART && ptypes[r&0xFF].falldown!=2 && bmap[y/CELL][x/CELL]==3)
return 0;
if(bmap[ny/CELL][nx/CELL]==9)
return 0;
if(ptypes[parts[i].type].falldown!=1 && bmap[ny/CELL][nx/CELL]==10)
return 0;
if (r && ((r&0xFF) >= PT_NUM || !can_move[parts[i].type][(r&0xFF)]))
return 0;
if(parts[i].type==PT_CNCT && y<ny && (pmap[y+1][x]&0xFF)==PT_CNCT)
{
return 0;
}
pmap[ny][nx] = (i<<8)|parts[i].type;
pmap[y][x] = r;
if(r && (r>>8)<NPART)
{
r >>= 8;
parts[r].x += x-nx;
parts[r].y += y-ny;
}
return 1;
}
void kill_part(int i)
{
int x, y;
parts[i].type = PT_NONE;
x = (int)(parts[i].x+0.5f);
y = (int)(parts[i].y+0.5f);
if(x>=0 && y>=0 && x<XRES && y<YRES)
pmap[y][x] = 0;
parts[i].life = pfree;
pfree = i;
}
#ifdef WIN32
_inline int create_part(int p, int x, int y, int t)
#else
inline int create_part(int p, int x, int y, int t)
#endif
{
int i;
if(x<0 || y<0 || x>=XRES || y>=YRES)
return -1;
if(t==SPC_HEAT||t==SPC_COOL)
{
if((pmap[y][x]&0xFF)!=PT_NONE&&(pmap[y][x]&0xFF)<PT_NUM)
{
if(t==SPC_HEAT&&parts[pmap[y][x]>>8].temp<MAX_TEMP)
{
parts[pmap[y][x]>>8].temp = restrict_flt(parts[pmap[y][x]>>8].temp + 4.0f, MIN_TEMP, MAX_TEMP);
}
if(t==SPC_COOL&&parts[pmap[y][x]>>8].temp>MIN_TEMP)
{
parts[pmap[y][x]>>8].temp = restrict_flt(parts[pmap[y][x]>>8].temp - 4.0f, MIN_TEMP, MAX_TEMP);
}
return pmap[y][x]>>8;
}
else
{
return -1;
}
}
if(t==SPC_AIR)
{
pv[y/CELL][x/CELL] += 0.03f;
if(y+CELL<YRES)
pv[y/CELL+1][x/CELL] += 0.03f;
if(x+CELL<XRES)
{
pv[y/CELL][x/CELL+1] += 0.03f;
if(y+CELL<YRES)
pv[y/CELL+1][x/CELL+1] += 0.03f;
}
return -1;
}
if(t==SPC_VACUUM)
{
pv[y/CELL][x/CELL] -= 0.03f;
if(y+CELL<YRES)
pv[y/CELL+1][x/CELL] -= 0.03f;
if(x+CELL<XRES)
{
pv[y/CELL][x/CELL+1] -= 0.03f;
if(y+CELL<YRES)
pv[y/CELL+1][x/CELL+1] -= 0.03f;
}
return -1;
}
if(t==PT_SPRK)
{
if((pmap[y][x]&0xFF)!=PT_METL &&
(pmap[y][x]&0xFF)!=PT_PSCN &&
(pmap[y][x]&0xFF)!=PT_NSCN &&
(pmap[y][x]&0xFF)!=PT_NTCT &&
(pmap[y][x]&0xFF)!=PT_PTCT &&
(pmap[y][x]&0xFF)!=PT_WATR &&
(pmap[y][x]&0xFF)!=PT_SLTW &&
(pmap[y][x]&0xFF)!=PT_BMTL &&
(pmap[y][x]&0xFF)!=PT_RBDM &&
(pmap[y][x]&0xFF)!=PT_LRBD &&
(pmap[y][x]&0xFF)!=PT_ETRD &&
(pmap[y][x]&0xFF)!=PT_BRMT &&
(pmap[y][x]&0xFF)!=PT_NBLE &&
(pmap[y][x]&0xFF)!=PT_INWR)
return -1;
parts[pmap[y][x]>>8].type = PT_SPRK;
parts[pmap[y][x]>>8].life = 4;
parts[pmap[y][x]>>8].ctype = pmap[y][x]&0xFF;
pmap[y][x] = (pmap[y][x]&~0xFF) | PT_SPRK;
return pmap[y][x]>>8;
}
if(p==-1)
{
if(pmap[y][x])
return -1;
if(pfree == -1)
return -1;
i = pfree;
pfree = parts[i].life;
}
else
i = p;
if(t==PT_GLAS)
{
parts[i].pavg[1] = pv[y/CELL][x/CELL];
}
if(t!=PT_STKM)
{
parts[i].x = (float)x;
parts[i].y = (float)y;
parts[i].type = t;
parts[i].vx = 0;
parts[i].vy = 0;
parts[i].life = 0;
parts[i].ctype = 0;
parts[i].temp = ptypes[t].heat;
}
if(t==PT_ACID)
{
parts[i].life = 75;
}
/*Testing
if(t==PT_WOOD){
parts[i].life = 150;
}
End Testing*/
if(t==PT_COAL)
parts[i].life = 110;
if(t==PT_FIRE)
parts[i].life = rand()%50+120;
if(t==PT_PLSM)
parts[i].life = rand()%150+50;
if(t==PT_LAVA)
parts[i].life = rand()%120+240;
if(t==PT_NBLE)
parts[i].life = 0;
if(t==PT_ICEI)
parts[i].ctype = PT_WATR;
if(t==PT_NEUT)
{
float r = (rand()%128+128)/127.0f;
float a = (rand()%360)*3.14159f/180.0f;
parts[i].life = rand()%480+480;
parts[i].vx = r*cosf(a);
parts[i].vy = r*sinf(a);
}
if(t==PT_PHOT)
{
float r = (rand()%3-1)*3;
float a = (rand()%3-1)*3;
parts[i].life = 680;
if(a==0.0f&&r==0.0f)
{
parts[i].life = 0;
parts[i].type = PT_NONE;
return -1;
}
else
{
parts[i].vx = a;
parts[i].vy = r;
}
//} else {
// parts[i].life = 0;
// parts[i].type = PT_NONE;
//}/
}
if(t!=PT_STKM)
pmap[y][x] = t|(i<<8);
else
{
if(isplayer==0)
{
parts[i].x = (float)x;
parts[i].y = (float)y;
parts[i].type = PT_STKM;
parts[i].vx = 0;
parts[i].vy = 0;
parts[i].life = 100;
parts[i].ctype = 0;
parts[i].temp = ptypes[t].heat;
player[3] = x-1; //Setting legs positions
player[4] = y+6;
player[5] = x-1;
player[6] = y+6;
player[7] = x-3;
player[8] = y+12;
player[9] = x-3;
player[10] = y+12;
player[11] = x+1;
player[12] = y+6;
player[13] = x+1;
player[14] = y+6;
player[15] = x+3;
player[16] = y+12;
player[17] = x+3;
player[18] = y+12;
isplayer = 1;
}
}
return i;
}
#ifdef WIN32
_inline void delete_part(int x, int y)
#else
inline void delete_part(int x, int y)
#endif
{
unsigned i;
if(x<0 || y<0 || x>=XRES || y>=YRES)
return;
i = pmap[y][x];
if(!i || (i>>8)>=NPART)
return;
kill_part(i>>8);
pmap[y][x] = 0; // just in case
}
#ifdef WIN32
_inline int is_wire(int x, int y)
#else
inline int is_wire(int x, int y)
#endif
{
return bmap[y][x]==6 || bmap[y][x]==7 || bmap[y][x]==3 || bmap[y][x]==8 || bmap[y][x]==11 || bmap[y][x]==12;
}
#ifdef WIN32
_inline int is_wire_off(int x, int y)
#else
inline int is_wire_off(int x, int y)
#endif
{
return (bmap[y][x]==6 || bmap[y][x]==7 || bmap[y][x]==3 || bmap[y][x]==8 || bmap[y][x]==11 || bmap[y][x]==12) && emap[y][x]<8;
}
void set_emap(int x, int y)
{
int x1, x2;
if(!is_wire_off(x, y))
return;
// go left as far as possible
x1 = x2 = x;
while(x1>0)
{
if(!is_wire_off(x1-1, y))
break;
x1--;
}
while(x2<XRES/CELL-1)
{
if(!is_wire_off(x2+1, y))
break;
x2++;
}
// fill span
for(x=x1; x<=x2; x++)
emap[y][x] = 16;
// fill children
if(y>1 && x1==x2 &&
is_wire(x1-1, y-1) && is_wire(x1, y-1) && is_wire(x1+1, y-1) &&
!is_wire(x1-1, y-2) && is_wire(x1, y-2) && !is_wire(x1+1, y-2))
set_emap(x1, y-2);
else if(y>0)
for(x=x1; x<=x2; x++)
if(is_wire_off(x, y-1))
{
if(x==x1 || x==x2 || y>=YRES/CELL-1 ||
is_wire(x-1, y-1) || is_wire(x+1, y-1) ||
is_wire(x-1, y+1) || !is_wire(x, y+1) || is_wire(x+1, y+1))
set_emap(x, y-1);
}
if(y<YRES/CELL-2 && x1==x2 &&
is_wire(x1-1, y+1) && is_wire(x1, y+1) && is_wire(x1+1, y+1) &&
!is_wire(x1-1, y+2) && is_wire(x1, y+2) && !is_wire(x1+1, y+2))
set_emap(x1, y+2);
else if(y<YRES/CELL-1)
for(x=x1; x<=x2; x++)
if(is_wire_off(x, y+1))
{
if(x==x1 || x==x2 || y<0 ||
is_wire(x-1, y+1) || is_wire(x+1, y+1) ||
is_wire(x-1, y-1) || !is_wire(x, y-1) || is_wire(x+1, y-1))
set_emap(x, y+1);
}
}
#ifdef WIN32
_inline int parts_avg(int ci, int ni)
#else
inline int parts_avg(int ci, int ni)
#endif
{
int pmr = pmap[(int)((parts[ci].y + parts[ni].y)/2)][(int)((parts[ci].x + parts[ni].x)/2)];
if((pmr>>8) < NPART && (pmr>>8) >= 1)
{
return parts[pmr>>8].type;
}
else
{
return PT_NONE;
}
}
int nearest_part(int ci, int t)
{
int distance = sqrt(pow(XRES, 2)+pow(YRES, 2));
int ndistance = 0;
int id = -1;
int i = 0;
int cx = (int)parts[ci].x;
int cy = (int)parts[ci].y;
for(i=0; i<NPART; i++)
{
if(parts[i].type==t&&!parts[i].life&&i!=ci)
{
ndistance = abs((cx-parts[i].x)+(cy-parts[i].y));// Faster but less accurate Older: sqrt(pow(cx-parts[i].x, 2)+pow(cy-parts[i].y, 2));
if(ndistance<distance)
{
distance = ndistance;
id = i;
}
}
}
return id;
}
void update_particles_i(pixel *vid, int start, int inc)
{
int i, j, x, y, t, nx, ny, r, a, s, rt, fe, nt, lpv, nearp, pavg;
float mv, dx, dy, ix, iy, lx, ly, d, pp;
float pt = R_TEMP;
float c_heat = 0.0f;
int h_count = 0;
int starti = (start*-1);
for(i=start; i<(NPART-starti); i+=inc)
if(parts[i].type)
{
//printf("parts[%d].type: %d\n", i, parts[i].type);
lx = parts[i].x;
ly = parts[i].y;
t = parts[i].type;
if(sys_pause&&!framerender)
return;
if(parts[i].life && t!=PT_ACID && t!=PT_COAL && t!=PT_WOOD && t!=PT_NBLE && t!=PT_SWCH && t!=PT_STKM)
{
if(!(parts[i].life==10&&parts[i].type==PT_LCRY))
parts[i].life--;
if(parts[i].life<=0 && t!=PT_METL && t!=PT_WATR && t!=PT_RBDM && t!=PT_LRBD && t!=PT_SLTW && t!=PT_BRMT && t!=PT_PSCN && t!=PT_NSCN && t!=PT_NTCT && t!=PT_PTCT && t!=PT_BMTL && t!=PT_SPRK && t!=PT_LAVA && t!=PT_ETRD&&t!=PT_LCRY && t!=PT_INWR)
{
kill_part(i);
continue;
}
if(parts[i].life<=0 && t==PT_SPRK)
{
t = parts[i].ctype;
if(t!=PT_METL&&t!=PT_BMTL&&t!=PT_BRMT&&t!=PT_LRBD&&t!=PT_RBDM&&t!=PT_BTRY&&t!=PT_NBLE)
parts[i].temp = R_TEMP + 273.15f;
if(!t)
t = PT_METL;
parts[i].type = t;
parts[i].life = 4;
if(t == PT_WATR)
parts[i].life = 64;
if(t == PT_SLTW)
parts[i].life = 54;
}
}
if(t==PT_SPRK&&parts[i].ctype==PT_SPRK)
{
kill_part(i);
continue;
}
x = (int)(parts[i].x+0.5f);
y = (int)(parts[i].y+0.5f);
if(x<0 || y<0 || x>=XRES || y>=YRES ||
((bmap[y/CELL][x/CELL]==1 ||
bmap[y/CELL][x/CELL]==8 ||
bmap[y/CELL][x/CELL]==9 ||
(bmap[y/CELL][x/CELL]==2) ||
(bmap[y/CELL][x/CELL]==3 && ptypes[t].falldown!=2) ||
(bmap[y/CELL][x/CELL]==10 && ptypes[t].falldown!=1) ||
(bmap[y/CELL][x/CELL]==13 && ptypes[t].falldown!=0 && parts[i].type!=PT_FIRE && parts[i].type!=PT_SMKE) ||
(bmap[y/CELL][x/CELL]==6 && (t==PT_METL || t==PT_SPRK)) ||
(bmap[y/CELL][x/CELL]==7 && !emap[y/CELL][x/CELL])) && (t!=PT_STKM)))
{
kill_part(i);
continue;
}
vx[y/CELL][x/CELL] *= ptypes[t].airloss;
vy[y/CELL][x/CELL] *= ptypes[t].airloss;
vx[y/CELL][x/CELL] += ptypes[t].airdrag*parts[i].vx;
vy[y/CELL][x/CELL] += ptypes[t].airdrag*parts[i].vy;
if(t==PT_GAS||t==PT_NBLE)
{
if(pv[y/CELL][x/CELL]<3.5f)
pv[y/CELL][x/CELL] += ptypes[t].hotair*(3.5f-pv[y/CELL][x/CELL]);
if(y+CELL<YRES && pv[y/CELL+1][x/CELL]<3.5f)
pv[y/CELL+1][x/CELL] += ptypes[t].hotair*(3.5f-pv[y/CELL+1][x/CELL]);
if(x+CELL<XRES)
{
pv[y/CELL][x/CELL+1] += ptypes[t].hotair*(3.5f-pv[y/CELL][x/CELL+1]);
if(y+CELL<YRES)
pv[y/CELL+1][x/CELL+1] += ptypes[t].hotair*(3.5f-pv[y/CELL+1][x/CELL+1]);
}
}
else
{
pv[y/CELL][x/CELL] += ptypes[t].hotair;
if(y+CELL<YRES)
pv[y/CELL+1][x/CELL] += ptypes[t].hotair;
if(x+CELL<XRES)
{
pv[y/CELL][x/CELL+1] += ptypes[t].hotair;
if(y+CELL<YRES)
pv[y/CELL+1][x/CELL+1] += ptypes[t].hotair;
}
}
if((ptypes[t].explosive&2) && pv[y/CELL][x/CELL]>2.5f)
{
parts[i].life = rand()%80+180;
rt = parts[i].type = PT_FIRE;
parts[i].temp = ptypes[PT_FIRE].heat + (ptypes[rt].flammable/2);
pv[y/CELL][x/CELL] += 0.25f * CFDS;
t = PT_FIRE;
}
parts[i].vx *= ptypes[t].loss;
parts[i].vy *= ptypes[t].loss;
if(t==PT_GOO && !parts[i].life)
{
if(pv[y/CELL][x/CELL]>1.0f)
{
parts[i].vx += ptypes[t].advection*vx[y/CELL][x/CELL];
parts[i].vy += ptypes[t].advection*vy[y/CELL][x/CELL];
parts[i].life = rand()%80+300;
}
}
else
{
parts[i].vx += ptypes[t].advection*vx[y/CELL][x/CELL];
parts[i].vy += ptypes[t].advection*vy[y/CELL][x/CELL] + ptypes[t].gravity;
}
if(ptypes[t].diffusion)
{
parts[i].vx += ptypes[t].diffusion*(rand()/(0.5f*RAND_MAX)-1.0f);
parts[i].vy += ptypes[t].diffusion*(rand()/(0.5f*RAND_MAX)-1.0f);
}
// interpolator
#ifdef WIN32
mv = max(fabsf(parts[i].vx), fabsf(parts[i].vy));
#else
mv = fmaxf(fabsf(parts[i].vx), fabsf(parts[i].vy));
#endif
if(mv < ISTP)
{
parts[i].x += parts[i].vx;
parts[i].y += parts[i].vy;
ix = parts[i].x;
iy = parts[i].y;
}
else
{
dx = parts[i].vx*ISTP/mv;
dy = parts[i].vy*ISTP/mv;
ix = parts[i].x;
iy = parts[i].y;
while(1)
{
mv -= ISTP;
if(mv <= 0.0f)
{
// nothing found
parts[i].x += parts[i].vx;
parts[i].y += parts[i].vy;
ix = parts[i].x;
iy = parts[i].y;
break;
}
ix += dx;
iy += dy;
nx = (int)(ix+0.5f);
ny = (int)(iy+0.5f);
if(nx<0 || ny<0 || nx>=XRES || ny>=YRES || pmap[ny][nx] || (bmap[ny/CELL][nx/CELL] && bmap[ny/CELL][nx/CELL]!=5))
{
parts[i].x = ix;
parts[i].y = iy;
break;
}
}
}
a = nt = 0;
for(nx=-1; nx<2; nx++)
for(ny=-1; ny<2; ny++)
if(x+nx>=0 && y+ny>0 &&
x+nx<XRES && y+ny<YRES &&
(!bmap[(y+ny)/CELL][(x+nx)/CELL] || bmap[(y+ny)/CELL][(x+nx)/CELL]==5))
{
if(!pmap[y+ny][x+nx])
a = 1;
if((pmap[y+ny][x+nx]&0xFF)!=t)
nt = 1;
}
if(legacy_enable)
{
if(t==PT_WTRV && pv[y/CELL][x/CELL]>4.0f)
t = parts[i].type = PT_DSTW;
if(t==PT_OIL && pv[y/CELL][x/CELL]<-6.0f)
t = parts[i].type = PT_GAS;
if(t==PT_GAS && pv[y/CELL][x/CELL]>6.0f)
t = parts[i].type = PT_OIL;
if(t==PT_DESL && pv[y/CELL][x/CELL]>12.0f)
t = parts[i].type = PT_FIRE;
}
if(t==PT_GAS && pv[y/CELL][x/CELL]<-6.0f)
t = parts[i].type = PT_OIL;
if(t==PT_DESL && pv[y/CELL][x/CELL]>5.0f) // Only way I know to make it
t = parts[i].type = PT_FIRE; // combust under pressure.
if(t==PT_GAS && pv[y/CELL][x/CELL]>6.0f)
t = parts[i].type = PT_OIL;
if(t==PT_BMTL && pv[y/CELL][x/CELL]>2.5f)
t = parts[i].type = PT_BRMT;
if(t==PT_BRCK && pv[y/CELL][x/CELL]>2.8f)
t = parts[i].type = PT_STNE;
//if(t==PT_GLAS && pv[y/CELL][x/CELL]>4.0f)
// t = parts[i].type = PT_BGLA;
if(t==PT_GLAS)
{
parts[i].pavg[0] = parts[i].pavg[1];
parts[i].pavg[1] = pv[y/CELL][x/CELL];
if(parts[i].pavg[1]-parts[i].pavg[0] > 0.05f || parts[i].pavg[1]-parts[i].pavg[0] < -0.05f)
{
parts[i].type = PT_BGLA;
}
}
if(t==PT_ICEI && pv[y/CELL][x/CELL]>0.8f)
t = parts[i].type = PT_SNOW;
if(t==PT_PLUT && 1>rand()%100 && ((int)(5.0f*pv[y/CELL][x/CELL]))>(rand()%1000))
{
t = PT_NEUT;
create_part(i, x, y, t);
}
if(t==PT_SPRK&&parts[i].ctype==PT_ETRD&&parts[i].life==1)
{
nearp = nearest_part(i, PT_ETRD);
if(nearp!=-1)
{
create_line((int)parts[i].x, (int)parts[i].y, (int)parts[nearp].x, (int)parts[nearp].y, 0, PT_PLSM);
t = parts[i].type = PT_ETRD;
parts[i].ctype = PT_NONE;
parts[i].life = 20;
parts[nearp].type = PT_SPRK;
parts[nearp].life = 9;
parts[nearp].ctype = PT_ETRD;
}
}
if(!legacy_enable)
{
int ctemp = pv[y/CELL][x/CELL]*2;
c_heat = 0.0f;
h_count = 0;
if(t==PT_ICEI && !parts[i].ctype)
parts[i].ctype = PT_WATR;
if(ptypes[t].hconduct>(rand()%250))
{
for(nx=-1; nx<2; nx++)
{
for(ny=-1; ny<2; ny++)
{
if(x+nx>=0 && y+ny>0 && x+nx<XRES && y+ny<YRES && (nx || ny))
{
r = pmap[y+ny][x+nx];
if((r>>8)>=NPART || !r)
continue;
if(parts[r>>8].type!=PT_NONE&&parts[i].type!=PT_NONE&&ptypes[parts[r>>8].type].hconduct>0)
{
h_count++;
c_heat += parts[r>>8].temp;
}
}
}
}
pt = parts[i].temp = (c_heat+parts[i].temp)/(h_count+1);
for(nx=-1; nx<2; nx++)
{
for(ny=-1; ny<2; ny++)
{
if(x+nx>=0 && y+ny>0 && x+nx<XRES && y+ny<YRES && (nx || ny))
{
r = pmap[y+ny][x+nx];
if((r>>8)>=NPART || !r)
continue;
if(parts[r>>8].type!=PT_NONE&&parts[i].type!=PT_NONE&&ptypes[parts[r>>8].type].hconduct>0)
{
parts[r>>8].temp = parts[i].temp;
}
}
}
}
if(pt>=pstates[t].btemp&&pstates[t].burn)
{
t = parts[i].type = pstates[t].burn;
if(t==PT_FIRE||t==PT_PLSM)
parts[i].life = rand()%50+120;
}
else if((pt<=pstates[t].stemp||(t==PT_LAVA&&(pt<=pstates[parts[i].ctype].ltemp)))&&pstates[t].solid)
{
if(t==PT_LAVA&&parts[i].ctype)
{
parts[i].life = 0;
if(parts[i].ctype==PT_THRM)
{
parts[i].tmp = 0;
parts[i].ctype = PT_BMTL;
}
t = parts[i].type = parts[i].ctype;
parts[i].ctype = PT_NONE;
}
else if(pstates[t].solid==PT_ICEI&&pt<=pstates[t].stemp)
{
parts[i].ctype = parts[i].type;
t = parts[i].type = PT_ICEI;
}
else
{
parts[i].life = 0;
t = parts[i].type = pstates[t].solid;
}
}
else if((pt>=pstates[t].ltemp&&(pt<=pstates[t].gtemp||!pstates[t].gas)&&pstates[t].state==ST_SOLID&&pstates[t].liquid)||(t==PT_ICEI&&pt>pstates[parts[i].ctype].stemp))
{
if(pstates[t].liquid==PT_LAVA)
{
parts[i].life = rand()%120+240;
parts[i].ctype = (parts[i].type==PT_BRMT)?PT_BMTL:parts[i].type;
parts[i].ctype = (parts[i].ctype==PT_SAND)?PT_GLAS:parts[i].ctype;
parts[i].ctype = (parts[i].ctype==PT_BGLA)?PT_GLAS:parts[i].ctype;
t = parts[i].type = pstates[t].liquid;
}
else if(t==PT_ICEI&&parts[i].ctype)
{
t = parts[i].type = parts[i].ctype;
parts[i].ctype = PT_NONE;
}
else
{
t = parts[i].type = pstates[t].liquid;
}
}
else if(pt-ctemp<=pstates[t].ltemp&&pstates[t].liquid&&pstates[t].state==ST_GAS)
{
t = parts[i].type = pstates[t].liquid;
}
else if(pt-ctemp>=pstates[t].gtemp&&(pstates[t].gas||parts[i].type==PT_LNTG)&&(pstates[t].state==ST_LIQUID||pstates[t].state==ST_SOLID))
{
if(t==PT_SLTW&&1>rand()%6)
{
t = parts[i].type = PT_SALT;
}
else
{
t = parts[i].type = pstates[t].gas;
pv[y/CELL][x/CELL] += 0.50f;
if(t==PT_FIRE)
parts[i].life = rand()%50+120;
}
}
if(t==PT_URAN && pv[y/CELL][x/CELL]>0.0f)
{
float atemp = parts[i].temp + (-MIN_TEMP);
pt = parts[i].temp = (atemp*(1+(pv[y/CELL][x/CELL]/2000)))+MIN_TEMP;
}
if(t==PT_LAVA)
{
parts[i].life = restrict_flt((pt-700)/7, 0.0f, 400.0f);
if(parts[i].ctype==PT_THRM&&parts[i].tmp>0)
{
parts[i].tmp--;
parts[i].temp = 3500;
}
}
pt = parts[i].temp = restrict_flt(parts[i].temp, MIN_TEMP, MAX_TEMP);
}
}
if(t==PT_PTCT&&parts[i].temp>295.0f)
{
pt = parts[i].temp -= 2.5f;
}
if(t==PT_NTCT&&parts[i].temp>295.0f)
{
pt = parts[i].temp -= 2.5f;
}
if(t==PT_WATR || t==PT_ETRD || t==PT_SLTW || t==PT_METL || t==PT_RBDM || t==PT_LRBD || t==PT_BRMT || t==PT_PSCN || t==PT_NSCN || t==PT_NTCT || t==PT_PTCT || t==PT_BMTL || t==PT_SPRK|| t == PT_NBLE || t==PT_INWR)
{
nx = x % CELL;
if(nx == 0)
nx = x/CELL - 1;
else if(nx == CELL-1)
nx = x/CELL + 1;
else
nx = x/CELL;
ny = y % CELL;
if(ny == 0)
ny = y/CELL - 1;
else if(ny == CELL-1)
ny = y/CELL + 1;
else
ny = y/CELL;
if(nx>=0 && ny>=0 && nx<XRES/CELL && ny<YRES/CELL)
{
if(t==PT_WATR || t==PT_ETRD || t==PT_SLTW || t==PT_METL || t==PT_RBDM || t==PT_LRBD || t==PT_NSCN || t==PT_NTCT || t==PT_PTCT || t==PT_PSCN || t==PT_BRMT || t==PT_BMTL||t==PT_NBLE || t==PT_INWR)
{
if(emap[ny][nx]==12 && !parts[i].life)
{
parts[i].type = PT_SPRK;
parts[i].life = 4;
parts[i].ctype = t;
t = PT_SPRK;
}
}
else if(bmap[ny][nx]==6 || bmap[ny][nx]==7 || bmap[ny][nx]==3 || bmap[ny][nx]==8 || bmap[ny][nx]==11 || bmap[ny][nx]==12)
set_emap(nx, ny);
}
}
nx = x/CELL;
ny = y/CELL;
if(bmap[ny][nx]==6 && emap[ny][nx]<8)
set_emap(nx, ny);
fe = 0;
if(t==PT_THDR)
{
for(nx=-2; nx<3; nx++)
for(ny=-2; ny<3; ny++)
if(x+nx>=0 && y+ny>0 &&
x+nx<XRES && y+ny<YRES && (nx || ny))
{
r = pmap[y+ny][x+nx];
if((r>>8)>=NPART || !r)
continue;
if(((r&0xFF)==PT_METL || (r&0xFF)==PT_ETRD || (r&0xFF)==PT_PSCN || (r&0xFF)==PT_NSCN || (r&0xFF)==PT_NTCT || (r&0xFF)==PT_PTCT || (r&0xFF)==PT_BMTL || (r&0xFF)==PT_RBDM || (r&0xFF)==PT_LRBD || (r&0xFF)==PT_BRMT||(r&0xFF)==PT_NBLE) || (r&0xFF)==PT_INWR && parts[r>>8].ctype!=PT_SPRK )
{
t = parts[i].type = PT_NONE;
parts[r>>8].ctype = parts[r>>8].type;
parts[r>>8].type = PT_SPRK;
parts[r>>8].life = 4;
}
else if((r&0xFF)!=PT_CLNE&&(r&0xFF)!=PT_THDR&&(r&0xFF)!=PT_SPRK&&(r&0xFF)!=PT_DMND&&(r&0xFF)!=PT_FIRE&&(r&0xFF)!=PT_NEUT&&(r&0xFF)!=PT_PHOT&&(r&0xFF))
{
pv[y/CELL][x/CELL] += 100.0f;
if(legacy_enable&&1>(rand()%200))
{
parts[i].life = rand()%50+120;
t = parts[i].type = PT_FIRE;
}
else
{
t = parts[i].type = PT_NONE;
}
}
}
}
else if(t==PT_ICEI || t==PT_SNOW)
{
for(nx=-2; nx<3; nx++)
for(ny=-2; ny<3; ny++)
if(x+nx>=0 && y+ny>0 &&
x+nx<XRES && y+ny<YRES && (nx || ny))
{
r = pmap[y+ny][x+nx];
if((r>>8)>=NPART || !r)
continue;
if(((r&0xFF)==PT_SALT || (r&0xFF)==PT_SLTW) && 1>(rand()%1000))
{
t = parts[i].type = PT_SLTW;
parts[r>>8].type = PT_SLTW;
}
if(legacy_enable)
{
if(((r&0xFF)==PT_WATR || (r&0xFF)==PT_DSTW) && 1>(rand()%1000))
{
t = parts[i].type = PT_ICEI;
parts[r>>8].type = PT_ICEI;
}
if(t==PT_SNOW && ((r&0xFF)==PT_WATR || (r&0xFF)==PT_DSTW) && 15>(rand()%1000))
t = parts[i].type = PT_WATR;
}
}
}
else if(t==PT_COAL)
{
if(parts[i].life<=0) {
t = PT_NONE;
kill_part(i);
create_part(-1, x, y, PT_FIRE);
goto killed;
} else if(parts[i].life < 100) {
parts[i].life--;
create_part(-1, x+rand()%3-1, y+rand()%3-1, PT_FIRE);
}
for(nx=-2; nx<3; nx++)
for(ny=-2; ny<3; ny++)
if(x+nx>=0 && y+ny>0 &&
x+nx<XRES && y+ny<YRES && (nx || ny))
{
r = pmap[y+ny][x+nx];
if((r>>8)>=NPART || !r)
continue;
if(((r&0xFF)==PT_FIRE || (r&0xFF)==PT_PLSM) && 1>(rand()%500))
{
if(parts[i].life>100) {
parts[i].life = 99;
}
}
}
}
else if(t==PT_NTCT||t==PT_PTCT||t==PT_INWR)
{
for(nx=-2; nx<3; nx++)
for(ny=-2; ny<3; ny++)
if(x+nx>=0 && y+ny>0 &&
x+nx<XRES && y+ny<YRES && (nx || ny))
{
r = pmap[y+ny][x+nx];
if((r>>8)>=NPART || !r)
continue;
if((r&0xFF)==PT_SPRK && parts[r>>8].ctype==PT_METL && parts_avg(i, r>>8)!=PT_INSL)
{
parts[i].temp = 473.0f;
}
}
}
else if(t==PT_PLNT)
{
for(nx=-2; nx<3; nx++)
for(ny=-2; ny<3; ny++)
if(x+nx>=0 && y+ny>0 &&
x+nx<XRES && y+ny<YRES && (nx || ny))
{
r = pmap[y+ny][x+nx];
if((r>>8)>=NPART || !r)
continue;
if((r&0xFF)==PT_WATR && 1>(rand()%250))
{
t = parts[i].type = PT_PLNT;
parts[r>>8].type = PT_PLNT;
}
else if((r&0xFF)==PT_LAVA && 1>(rand()%250))
{
parts[i].life = 4;
t = parts[i].type = PT_FIRE;
}
//if(t==PT_SNOW && (r&0xFF)==PT_WATR && 15>(rand()%1000))
//t = parts[i].type = PT_WATR;
}
}
else if(t==PT_THRM)
{
for(nx=-2; nx<3; nx++)
for(ny=-2; ny<3; ny++)
if(x+nx>=0 && y+ny>0 && x+nx<XRES && y+ny<YRES && (nx || ny))
{
r = pmap[y+ny][x+nx];
if((r>>8)>=NPART || !r)
continue;
if(((r&0xFF)==PT_FIRE || (r&0xFF)==PT_PLSM || (r&0xFF)==PT_LAVA))
{
if(1>(rand()%500)) {
t = parts[i].type = PT_LAVA;
parts[i].ctype = PT_BMTL;
pt = parts[i].temp = 3500.0f;
pv[y/CELL][x/CELL] += 50.0f;
} else {
t = parts[i].type = PT_LAVA;
parts[i].life = 400;
parts[i].ctype = PT_THRM;
pt = parts[i].temp = 3500.0f;
parts[i].tmp = 20;
}
}
//if(t==PT_SNOW && (r&0xFF)==PT_WATR && 15>(rand()%1000))
//t = parts[i].type = PT_WATR;
}
}
else if(t==PT_WATR||t==PT_DSTW)
{
for(nx=-2; nx<3; nx++)
for(ny=-2; ny<3; ny++)
if(x+nx>=0 && y+ny>0 &&
x+nx<XRES && y+ny<YRES && (nx || ny))
{
r = pmap[y+ny][x+nx];
if((r>>8)>=NPART || !r)
continue;
if(((r&0xFF)==PT_FIRE || (r&0xFF)==PT_LAVA) && 1>(rand()%10) && legacy_enable)
{
t = parts[i].type = PT_WTRV;
}
else if((r&0xFF)==PT_SALT && 1>(rand()%250))
{
t = parts[i].type = PT_SLTW;
parts[r>>8].type = PT_SLTW;
}
if((((r&0xFF)==PT_WATR||(r&0xFF)==PT_SLTW)&&t==PT_DSTW) && 1>(rand()%500))
{
t = parts[i].type = PT_WATR;
}
if(((r&0xFF)==PT_SLTW&&t==PT_DSTW) && 1>(rand()%500))
{
t = parts[i].type = PT_SLTW;
}
if(((r&0xFF)==PT_RBDM||(r&0xFF)==PT_LRBD) && (legacy_enable||pt>12.0f) && 1>(rand()%500))
{
parts[i].life = 4;
t = parts[i].type = PT_FIRE;
}
}
}
else if(t==PT_SLTW)
{
for(nx=-2; nx<3; nx++)
for(ny=-2; ny<3; ny++)
if(x+nx>=0 && y+ny>0 &&
x+nx<XRES && y+ny<YRES && (nx || ny))
{
r = pmap[y+ny][x+nx];
if((r>>8)>=NPART || !r)
continue;
if(((r&0xFF)==PT_FIRE || (r&0xFF)==PT_LAVA) && 1>(rand()%10) && legacy_enable)
{
t = parts[i].type = PT_SALT;
parts[r>>8].type = PT_WTRV;
}
else if((r&0xFF)==PT_SALT && 1>(rand()%10000))
{
parts[r>>8].type = PT_SLTW;
}
if(((r&0xFF)==PT_RBDM||(r&0xFF)==PT_LRBD) && pt>12.0f && 1>(rand()%500))
{
parts[i].life = 4;
t = parts[i].type = PT_FIRE;
}
}
}
else if(t==PT_WTRV)
{
for(nx=-2; nx<3; nx++)
for(ny=-2; ny<3; ny++)
if(x+nx>=0 && y+ny>0 &&
x+nx<XRES && y+ny<YRES && (nx || ny))
{
r = pmap[y+ny][x+nx];
if((r>>8)>=NPART || !r)
continue;
if(((r&0xFF)==PT_WATR||(r&0xFF)==PT_DSTW||(r&0xFF)==PT_SLTW) && 1>(rand()%1000) && legacy_enable)
{
t = parts[i].type = PT_WATR;
parts[r>>8].type = PT_WATR;
}
if(((r&0xFF)==PT_RBDM||(r&0xFF)==PT_LRBD) && pt>12.0f && 1>(rand()%500))
{
parts[i].life = 4;
t = parts[i].type = PT_FIRE;
}
if(((r&0xFF)==PT_ICEI || (r&0xFF)==PT_SNOW) && 1>(rand()%1000) && legacy_enable)
{
t = parts[i].type = PT_WATR;
if(1>(rand()%1000))
parts[r>>8].type = PT_WATR;
}
}
}
else if(t==PT_YEST)
{
for(nx=-2; nx<3; nx++)
for(ny=-2; ny<3; ny++)
if(x+nx>=0 && y+ny>0 &&
x+nx<XRES && y+ny<YRES && (nx || ny))
{
r = pmap[y+ny][x+nx];
if((r>>8)>=NPART || !r)
continue;
if((r&0xFF)==PT_DYST && 1>(rand()%30) && !legacy_enable)
{
t = parts[i].type = PT_DYST;
}
}
}
else if(t==PT_ACID)
{
for(nx=-2; nx<3; nx++)
for(ny=-2; ny<3; ny++)
if(x+nx>=0 && y+ny>0 && x+nx<XRES && y+ny<YRES && (nx || ny))
{
r = pmap[y+ny][x+nx];
if((r>>8)>=NPART || !r)
continue;
if((r&0xFF)!=PT_ACID)
{
if ((r&0xFF)==PT_PLEX || (r&0xFF)==PT_NITR || (r&0xFF)==PT_GUNP || (r&0xFF)==PT_RBDM || (r&0xFF)==PT_LRBD)
{
t = parts[i].type = PT_FIRE;
parts[i].life = 4;
parts[r>>8].type = PT_FIRE;
parts[r>>8].life = 4;
}
else if(((r&0xFF)!=PT_CLNE && ptypes[parts[r>>8].type].hardness>(rand()%1000))&&parts[i].life>=50)
{
parts[i].life--;
parts[r>>8].type = PT_NONE;
}
else if (parts[i].life==50)
{
parts[i].life = 0;
t = parts[i].type = PT_NONE;
}
}
}
}
else if(t==PT_NEUT)
{
rt = 3 + (int)pv[y/CELL][x/CELL];
for(nx=-1; nx<2; nx++)
for(ny=-1; ny<2; ny++)
if(x+nx>=0 && y+ny>0 &&
x+nx<XRES && y+ny<YRES && (nx || ny))
{
r = pmap[y+ny][x+nx];
if((r>>8)>=NPART || !r)
continue;
if((r&0xFF)==PT_WATR || (r&0xFF)==PT_ICEI || (r&0xFF)==PT_SNOW)
{
parts[i].vx *= 0.995;
parts[i].vy *= 0.995;
}
if((r&0xFF)==PT_PLUT && rt>(rand()%1000))
{
if(33>rand()%100)
{
create_part(r>>8, x+nx, y+ny, rand()%2 ? PT_LAVA : PT_URAN);
}
else
{
create_part(r>>8, x+nx, y+ny, PT_NEUT);
parts[r>>8].vx = 0.25f*parts[r>>8].vx + parts[i].vx;
parts[r>>8].vy = 0.25f*parts[r>>8].vy + parts[i].vy;
}
pv[y/CELL][x/CELL] += 10.0f * CFDS; //Used to be 2, some people said nukes weren't powerful enough
fe ++;
}
if((r&0xFF)==PT_GUNP && 15>(rand()%1000))
parts[r>>8].type = PT_DUST;
if((r&0xFF)==PT_DYST && 15>(rand()%1000))
parts[r>>8].type = PT_YEST;
if((r&0xFF)==PT_YEST) {
if(15>(rand()%100000)&&isplayer==0)
parts[r>>8].type = PT_STKM;
else
parts[r>>8].type = PT_DYST;
}
if((r&0xFF)==PT_WATR && 15>(rand()%100))
parts[r>>8].type = PT_DSTW;
if((r&0xFF)==PT_PLEX && 15>(rand()%1000))
parts[r>>8].type = PT_GOO;
if((r&0xFF)==PT_NITR && 15>(rand()%1000))
parts[r>>8].type = PT_DESL;
if((r&0xFF)==PT_PLNT && 5>(rand()%100))
parts[r>>8].type = PT_WOOD;
if((r&0xFF)==PT_DESL && 15>(rand()%1000))
parts[r>>8].type = PT_GAS;
if((r&0xFF)==PT_COAL && 5>(rand()%100))
parts[r>>8].type = PT_WOOD;
/*if(parts[r>>8].type>1 && parts[r>>8].type!=PT_NEUT && parts[r>>8].type-1!=PT_NEUT && parts[r>>8].type-1!=PT_STKM &&
(ptypes[parts[r>>8].type-1].menusection==SC_LIQUID||
ptypes[parts[r>>8].type-1].menusection==SC_EXPLOSIVE||
ptypes[parts[r>>8].type-1].menusection==SC_GAS||
ptypes[parts[r>>8].type-1].menusection==SC_POWDERS) && 15>(rand()%1000))
parts[r>>8].type--;*/
}
}
else if(t==PT_PHOT)
{
rt = 3 + (int)pv[y/CELL][x/CELL];
for(nx=0; nx<1; nx++)
for(ny=0; ny<1; ny++)
if(x+nx>=0 && y+ny>0 &&
x+nx<XRES && y+ny<YRES && (nx || ny))
{
r = pmap[y+ny][x+nx];
if((r>>8)>=NPART || !r)
continue;
if((r&0xFF)==PT_WATR || (r&0xFF)==PT_ICEI || (r&0xFF)==PT_SNOW)
{
parts[i].vx *= 0.995;
parts[i].vy *= 0.995;
}
}
}
else if(t==PT_LCRY)
{
for(nx=-1; nx<2; nx++)
for(ny=-1; ny<2; ny++)
if(x+nx>=0 && y+ny>0 &&
x+nx<XRES && y+ny<YRES && (nx || ny))
{
r = pmap[y+ny][x+nx];
if((r>>8)>=NPART || !r)
continue;
rt = parts[r>>8].type;
if(rt==PT_SPRK)
{
if(parts[r>>8].ctype==PT_PSCN)
{
parts[i].life = 10;
}
else if(parts[r>>8].ctype==PT_NSCN)
{
parts[i].life = 9;
}
}
if(rt==PT_LCRY)
{
if(parts[i].life==10&&parts[r>>8].life<10&&parts[r>>8].life>0)
{
parts[i].life = 9;
}
else if(parts[i].life==0&&parts[r>>8].life==10)
{
parts[i].life = 10;
}
}
}
}
else if(t==PT_BTRY)
{
rt = 3 + (int)pv[y/CELL][x/CELL];
for(nx=-2; nx<3; nx++)
for(ny=-2; ny<3; ny++)
if(x+nx>=0 && y+ny>0 &&
x+nx<XRES && y+ny<YRES && (nx || ny))
{
r = pmap[y+ny][x+nx];
if((r>>8)>=NPART || !r)
continue;
rt = parts[r>>8].type;
if(parts_avg(i,r>>8) != PT_INSL)
{
if((rt==PT_METL||rt==PT_ETRD||rt==PT_BMTL||rt==PT_BRMT||rt==PT_LRBD||rt==PT_RBDM||rt==PT_PSCN||rt==PT_NSCN||rt==PT_NBLE)&&parts[r>>8].life==0 && abs(nx)+abs(ny) < 4)
{
parts[r>>8].life = 4;
parts[r>>8].ctype = rt;
parts[r>>8].type = PT_SPRK;
}
}
}
} else if(t==PT_SWCH)
{
rt = 3 + (int)pv[y/CELL][x/CELL];
for(nx=-2; nx<3; nx++)
for(ny=-2; ny<3; ny++)
if(x+nx>=0 && y+ny>0 &&
x+nx<XRES && y+ny<YRES && (nx || ny))
{
r = pmap[y+ny][x+nx];
if((r>>8)>=NPART || !r)
continue;
rt = parts[r>>8].type;
if(parts[r>>8].type == PT_SWCH&&parts_avg(i,r>>8)!=PT_INSL)
{
if(parts[i].life==10&&parts[r>>8].life<10&&parts[r>>8].life>0)
{
parts[i].life = 9;
}
else if(parts[i].life==0&&parts[r>>8].life==10)
{
parts[i].life = 10;
}
}
}
}
if(t==PT_SWCH)
if((parts[i].life>0&&parts[i].life<10)|| parts[i].life == 11)
{
parts[i].life--;
}
if(t==PT_FIRE || t==PT_PLSM || t==PT_LAVA || t==PT_SPRK || fe || (t==PT_PHOT&&(1>rand()%10)))
{
for(nx=-2; nx<3; nx++)
for(ny=-2; ny<3; ny++)
if(x+nx>=0 && y+ny>0 &&
x+nx<XRES && y+ny<YRES && (nx || ny))
{
r = pmap[y+ny][x+nx];
if((r>>8)>=NPART || !r)
continue;
if(bmap[(y+ny)/CELL][(x+nx)/CELL] && bmap[(y+ny)/CELL][(x+nx)/CELL]!=5)
continue;
rt = parts[r>>8].type;
if((a || ptypes[rt].explosive) && ((rt!=PT_RBDM && rt!=PT_LRBD && rt!=PT_INSL && rt!=PT_SWCH) || t!=PT_SPRK) &&
(t!=PT_LAVA || parts[i].life>0 || (rt!=PT_STNE && rt!=PT_PSCN && rt!=PT_NSCN && rt!=PT_NTCT && rt!=PT_PTCT && rt!=PT_METL && rt!=PT_ETRD && rt!=PT_BMTL && rt!=PT_BRMT && rt!=PT_SWCH && rt!=PT_INWR)) &&
ptypes[rt].flammable && (ptypes[rt].flammable + (int)(pv[(y+ny)/CELL][(x+nx)/CELL]*10.0f))>(rand()%1000))
{
parts[r>>8].type = PT_FIRE;
parts[r>>8].temp = ptypes[PT_FIRE].heat + (ptypes[rt].flammable/2);
parts[r>>8].life = rand()%80+180;
if(ptypes[rt].explosive)
pv[y/CELL][x/CELL] += 0.25f * CFDS;
continue;
}
lpv = (int)pv[(y+ny)/CELL][(x+nx)/CELL];
if(lpv < 1) lpv = 1;
if(legacy_enable)
{
if(t!=PT_SPRK && ptypes[rt].meltable && ((rt!=PT_RBDM && rt!=PT_LRBD) || t!=PT_SPRK) && ((t!=PT_FIRE&&t!=PT_PLSM) || (rt!=PT_METL && rt!=PT_ETRD && rt!=PT_PSCN && rt!=PT_NSCN && rt!=PT_NTCT && rt!=PT_PTCT && rt!=PT_BMTL && rt!=PT_BRMT && rt!=PT_SALT && rt!=PT_INWR)) &&
ptypes[rt].meltable*lpv>(rand()%1000))
{
if(t!=PT_LAVA || parts[i].life>0)
{
parts[r>>8].ctype = (parts[r>>8].type==PT_BRMT)?PT_BMTL:parts[r>>8].type;
parts[r>>8].ctype = (parts[r>>8].ctype==PT_SAND)?PT_GLAS:parts[r>>8].ctype;
parts[r>>8].type = PT_LAVA;
parts[r>>8].life = rand()%120+240;
}
else
{
parts[i].life = 0;
t = parts[i].type = (parts[i].ctype)?parts[i].ctype:PT_STNE;
parts[i].ctype = PT_NONE;//rt;
goto killed;
}
}
if(t!=PT_SPRK && (rt==PT_ICEI || rt==PT_SNOW))
{
parts[r>>8].type = PT_WATR;
if(t==PT_FIRE)
{
parts[i].x = lx;
parts[i].y = ly;
kill_part(i);
goto killed;
}
if(t==PT_LAVA)
{
parts[i].life = 0;
t = parts[i].type = PT_STNE;
goto killed;
}
}
if(t!=PT_SPRK && (rt==PT_WATR || rt==PT_DSTW || rt==PT_SLTW))
{
kill_part(r>>8);
if(t==PT_FIRE)
{
parts[i].x = lx;
parts[i].y = ly;
kill_part(i);
goto killed;
}
if(t==PT_LAVA)
{
parts[i].life = 0;
t = parts[i].type = (parts[i].ctype)?parts[i].ctype:PT_STNE;
parts[i].ctype = PT_NONE;
goto killed;
}
}
}
pavg = parts_avg(i, r>>8);
if(rt==PT_SWCH && t==PT_SPRK)
{
pavg = parts_avg(r>>8, i);
if(parts[i].ctype == PT_PSCN&&pavg != PT_INSL)
parts[r>>8].life = 10;
if(parts[i].ctype == PT_NSCN&&pavg != PT_INSL)
parts[r>>8].life = 9;
if(!(parts[i].ctype == PT_PSCN||parts[i].ctype == PT_NSCN)&&parts[r>>8].life == 10&&pavg != PT_INSL)
{
parts[r>>8].type = PT_SPRK;
parts[r>>8].ctype = PT_SWCH;
parts[r>>8].life = 4;
}
}
pavg = parts_avg(i, r>>8);
if(pavg != PT_INSL)
{
if(t==PT_SPRK && (rt==PT_METL||rt==PT_ETRD||rt==PT_BMTL||rt==PT_BRMT||rt==PT_LRBD||rt==PT_RBDM||rt==PT_PSCN||rt==PT_NSCN||rt==PT_NBLE) && parts[r>>8].life==0 &&
(parts[i].life<3 || ((r>>8)<i && parts[i].life<4)) && abs(nx)+abs(ny)<4)
{
if(!(rt==PT_PSCN&&parts[i].ctype==PT_NSCN)&&!(rt!=PT_PSCN&&!(rt==PT_NSCN&&parts[i].temp>=373.0f)&&parts[i].ctype==PT_NTCT)&&!(rt!=PT_PSCN&&!(rt==PT_NSCN&&parts[i].temp<=373.0f)&&parts[i].ctype==PT_PTCT)&&!(rt!=PT_PSCN&&!(rt==PT_NSCN)&&parts[i].ctype==PT_INWR) && pavg != PT_INSL &&!(parts[i].ctype==PT_SWCH&&(rt==PT_PSCN||rt==PT_NSCN)) )
{
parts[r>>8].type = PT_SPRK;
parts[r>>8].life = 4;
parts[r>>8].ctype = rt;
if(parts[r>>8].temp+10.0f<673.0f&&!legacy_enable&&!(rt==PT_LRBD||rt==PT_RBDM||rt==PT_NTCT||rt==PT_PTCT||rt==PT_INWR))
parts[r>>8].temp = parts[r>>8].temp+10.0f;
}
}
if(t==PT_SPRK && rt==PT_NTCT && parts[r>>8].life==0 &&
(parts[i].life<3 || ((r>>8)<i && parts[i].life<4)) && abs(nx)+abs(ny)<4)
{
if((parts[i].ctype==PT_NSCN||parts[i].ctype==PT_NTCT||(parts[i].ctype==PT_PSCN&&parts[r>>8].temp>373.0f))&&pavg != PT_INSL)
{
parts[r>>8].type = PT_SPRK;
parts[r>>8].life = 4;
parts[r>>8].ctype = rt;
}
}
if(t==PT_SPRK && rt==PT_PTCT && parts[r>>8].life==0 &&
(parts[i].life<3 || ((r>>8)<i && parts[i].life<4)) && abs(nx)+abs(ny)<4)
{
if((parts[i].ctype==PT_NSCN||parts[i].ctype==PT_PTCT||(parts[i].ctype==PT_PSCN&&parts[r>>8].temp<373.0f))&&pavg != PT_INSL)
{
parts[r>>8].type = PT_SPRK;
parts[r>>8].life = 4;
parts[r>>8].ctype = rt;
}
}
if(t==PT_SPRK && rt==PT_INWR && parts[r>>8].life==0 &&
(parts[i].life<3 || ((r>>8)<i && parts[i].life<4)) && abs(nx)+abs(ny)<4)
{
if((parts[i].ctype==PT_NSCN||parts[i].ctype==PT_INWR||parts[i].ctype==PT_PSCN)&&pavg != PT_INSL)
{
parts[r>>8].type = PT_SPRK;
parts[r>>8].life = 4;
parts[r>>8].ctype = rt;
}
}
if(t==PT_SPRK && rt==PT_WATR && parts[r>>8].life==0 &&
(parts[i].life<2 || ((r>>8)<i && parts[i].life<3)) && abs(nx)+abs(ny)<4)
{
parts[r>>8].type = PT_SPRK;
parts[r>>8].life = 6;
parts[r>>8].ctype = rt;
}
if(t==PT_SPRK && rt==PT_SLTW && parts[r>>8].life==0 &&
(parts[i].life<2 || ((r>>8)<i && parts[i].life<3)) && abs(nx)+abs(ny)<4)
{
parts[r>>8].type = PT_SPRK;
parts[r>>8].life = 5;
parts[r>>8].ctype = rt;
}
if(t==PT_SPRK&&parts[i].ctype==PT_ETRD&&parts[i].life==5)
{
if(rt==PT_METL||rt==PT_ETRD||rt==PT_BMTL||rt==PT_BRMT||rt==PT_LRBD||rt==PT_RBDM||rt==PT_PSCN||rt==PT_NSCN)
{
t = parts[i].type = PT_ETRD;
parts[i].ctype = PT_NONE;
parts[i].life = 20;
parts[r>>8].type = PT_SPRK;
parts[r>>8].life = 4;
parts[r>>8].ctype = rt;
}
}
if(t==PT_SPRK&&parts[i].ctype==PT_NBLE&&parts[i].life<=1)
{
parts[i].life = rand()%150+50;
parts[i].type = PT_PLSM;
parts[i].ctype = PT_NBLE;
parts[i].temp = 3500;
pv[y/CELL][x/CELL] += 1;
}
if(t==PT_SPRK&&parts[i].ctype==PT_SWCH&&parts[i].life<=1)
{
parts[i].type = PT_SWCH;
parts[i].life = 11;
}
}
}
killed:
if(parts[i].type == PT_NONE)
continue;
}
if(t==PT_STKM)
{
float dt = 0.9;///(FPSB*FPSB); //Delta time in square
//Tempirature handling
if(parts[i].temp<243)
parts[i].life -= 1;
if((parts[i].temp<309.6f) && (parts[i].temp>=243))
parts[i].temp += 1;
//Death
if(parts[i].life<1 || death == 1 || (pv[y/CELL][x/CELL]>=4.5f && player[2] != SPC_AIR) ) //If his HP is less that 0 or there is very big wind...
{
death = 0;
for(r=-2; r<=1; r++)
{
create_part(-1, x+r, y-2, player[2]);
create_part(-1, x+r+1, y+2, player[2]);
create_part(-1, x-2, y+r+1, player[2]);
create_part(-1, x+2, y+r, player[2]);
}
kill_part(i); //Kill him
goto killed;
}
parts[i].vy += -0.7*dt; //Head up!
//Verlet integration
pp = 2*player[3]-player[5]+player[19]*dt*dt;;
player[5] = player[3];
player[3] = pp;
pp = 2*player[4]-player[6]+player[20]*dt*dt;;
player[6] = player[4];
player[4] = pp;
pp = 2*player[7]-player[9]+player[21]*dt*dt;;
player[9] = player[7];
player[7] = pp;
pp = 2*player[8]-player[10]+(player[22]+1)*dt*dt;;
player[10] = player[8];
player[8] = pp;
pp = 2*player[11]-player[13]+player[23]*dt*dt;;
player[13] = player[11];
player[11] = pp;
pp = 2*player[12]-player[14]+player[24]*dt*dt;;
player[14] = player[12];
player[12] = pp;
pp = 2*player[15]-player[17]+player[25]*dt*dt;;
player[17] = player[15];
player[15] = pp;
pp = 2*player[16]-player[18]+(player[26]+1)*dt*dt;;
player[18] = player[16];
player[16] = pp;
//Setting acceleration to 0
player[19] = 0;
player[20] = 0;
player[21] = 0;
player[22] = 0;
player[23] = 0;
player[24] = 0;
player[25] = 0;
player[26] = 0;
//Go left
if (((int)(player[0])&0x01) == 0x01 && pstates[pmap[(int)(parts[i].y+10)][(int)(parts[i].x)]&0xFF].state != ST_GAS)
{
if (pstates[pmap[(int)(parts[i].y+10)][(int)(parts[i].x)]&0xFF].state != ST_LIQUID
&& (pmap[(int)(parts[i].y+10)][(int)(parts[i].x)]&0xFF) != PT_LNTG)
{
if (pmap[(int)(player[8]-1)][(int)(player[7])])
{
player[21] = -3;
player[22] = -2;
player[19] = -2;
}
if (pmap[(int)(player[16]-1)][(int)(player[15])])
{
player[25] = -3;
player[26] = -2;
player[23] = -2;
}
}
else
{
if (pmap[(int)(player[8]-1)][(int)(player[7])]) //It should move another way in liquids
{
player[21] = -1;
player[22] = -1;
player[19] = -1;
}
if (pmap[(int)(player[16]-1)][(int)(player[15])])
{
player[25] = -1;
player[26] = -1;
player[23] = -1;
}
}
}
//Go right
if (((int)(player[0])&0x02) == 0x02 && pstates[pmap[(int)(parts[i].y+10)][(int)(parts[i].x)]&0xFF].state != ST_GAS)
{
if (pstates[pmap[(int)(parts[i].y+10)][(int)(parts[i].x)]&0xFF].state != ST_LIQUID
&& (pmap[(int)(parts[i].y+10)][(int)(parts[i].x)]&0xFF) != PT_LNTG)
{
if (pmap[(int)(player[8]-1)][(int)(player[7])])
{
player[21] = 3;
player[22] = -2;
player[19] = 2;
}
if (pmap[(int)(player[16]-1)][(int)(player[15])])
{
player[25] = 3;
player[26] = -2;
player[23] = 2;
}
}
else
{
if (pmap[(int)(player[8]-1)][(int)(player[7])])
{
player[21] = 1;
player[22] = -1;
player[19] = 1;
}
if (pmap[(int)(player[16]-1)][(int)(player[15])])
{
player[25] = 1;
player[26] = -1;
player[23] = 1;
}
}
}
//Jump
if (((int)(player[0])&0x04) == 0x04 && (pstates[pmap[(int)(player[8]-0.5)][(int)(player[7])]&0xFF].state != ST_GAS || pstates[pmap[(int)(player[16]-0.5)][(int)(player[15])]&0xFF].state != ST_GAS))
{
if (pmap[(int)(player[8]-0.5)][(int)(player[7])] || pmap[(int)(player[16]-0.5)][(int)(player[15])])
{
parts[i].vy = -5;
player[22] -= 1;
player[26] -= 1;
}
}
//Charge detector wall if foot inside
if(bmap[(int)(player[8]+0.5)/CELL][(int)(player[7]+0.5)/CELL]==6)
set_emap((int)player[7]/CELL, (int)player[8]/CELL);
if(bmap[(int)(player[16]+0.5)/CELL][(int)(player[15]+0.5)/CELL]==6)
set_emap((int)(player[15]+0.5)/CELL, (int)(player[16]+0.5)/CELL);
//Searching for particles near head
for(nx = -2; nx <= 2; nx++)
for(ny = 0; ny>=-2; ny--)
{
if(!pmap[ny+y][nx+x] || (pmap[ny+y][nx+x]>>8)>=NPART)
continue;
if(ptypes[pmap[ny+y][nx+x]&0xFF].falldown!=0 || (pmap[ny+y][nx+x]&0xFF) == PT_NEUT || (pmap[ny+y][nx+x]&0xFF) == PT_PHOT)
{
player[2] = pmap[ny+y][nx+x]&0xFF; //Current element
}
if((pmap[ny+y][nx+x]&0xFF) == PT_PLNT && parts[i].life<100) //Plant gives him 5 HP
{
if(parts[i].life<=95)
parts[i].life += 5;
else
parts[i].life = 100;
kill_part(pmap[ny+y][nx+x]>>8);
}
if((pmap[ny+y][nx+x]&0xFF) == PT_NEUT)
{
parts[i].life -= (102-parts[i].life)/2;
kill_part(pmap[ny+y][nx+x]>>8);
}
if(bmap[(ny+y)/CELL][(nx+x)/CELL]==4)
player[2] = SPC_AIR;
}
//Head position
nx = x + 3*((((int)player[1])&0x02) == 0x02) - 3*((((int)player[1])&0x01) == 0x01);
ny = y - 3*(player[1] == 0);
//Spawn
if(((int)(player[0])&0x08) == 0x08)
{
ny -= 2*(rand()%2)+1;
r = pmap[ny][nx];
if(!((r>>8)>=NPART))
{
if(pstates[r&0xFF].state == ST_SOLID)
{
create_part(-1, nx, ny, PT_SPRK);
}
else
{
if(player[2] == SPC_AIR)
create_parts(nx + 3*((((int)player[1])&0x02) == 0x02) - 3*((((int)player[1])&0x01) == 0x01), ny, 4, SPC_AIR);
else
create_part(-1, nx, ny, player[2]);
r = pmap[ny][nx];
if( ((r>>8) < NPART) && (r>>8)>=0 && player[2] != PT_PHOT && player[2] != SPC_AIR)
parts[r>>8].vx = parts[r>>8].vx + 5*((((int)player[1])&0x02) == 0x02) - 5*(((int)(player[1])&0x01) == 0x01);
if(((r>>8) < NPART) && (r>>8)>=0 && player[2] == PT_PHOT)
{
int random = abs(rand()%3-1)*3;
if (random==0)
{
parts[r>>8].life = 0;
parts[r>>8].type = PT_NONE;
}
else
{
parts[r>>8].vy = 0;
parts[r>>8].vx = (((((int)player[1])&0x02) == 0x02) - (((int)(player[1])&0x01) == 0x01))*random;
}
}
}
}
}
//Simulation of joints
d = 25/(pow((player[3]-player[7]), 2) + pow((player[4]-player[8]), 2)+25) - 0.5; //Fast distance
player[7] -= (player[3]-player[7])*d;
player[8] -= (player[4]-player[8])*d;
player[3] += (player[3]-player[7])*d;
player[4] += (player[4]-player[8])*d;
d = 25/(pow((player[11]-player[15]), 2) + pow((player[12]-player[16]), 2)+25) - 0.5;
player[15] -= (player[11]-player[15])*d;
player[16] -= (player[12]-player[16])*d;
player[11] += (player[11]-player[15])*d;
player[12] += (player[12]-player[16])*d;
d = 36/(pow((player[3]-parts[i].x), 2) + pow((player[4]-parts[i].y), 2)+36) - 0.5;
parts[i].vx -= (player[3]-parts[i].x)*d;
parts[i].vy -= (player[4]-parts[i].y)*d;
player[3] += (player[3]-parts[i].x)*d;
player[4] += (player[4]-parts[i].y)*d;
d = 36/(pow((player[11]-parts[i].x), 2) + pow((player[12]-parts[i].y), 2)+36) - 0.5;
parts[i].vx -= (player[11]-parts[i].x)*d;
parts[i].vy -= (player[12]-parts[i].y)*d;
player[11] += (player[11]-parts[i].x)*d;
player[12] += (player[12]-parts[i].y)*d;
//Side collisions checking
for(nx = -3; nx <= 3; nx++)
{
r = pmap[(int)(player[16]-2)][(int)(player[15]+nx)];
if(r && pstates[r&0xFF].state != ST_GAS && pstates[r&0xFF].state != ST_LIQUID)
player[15] -= nx;
r = pmap[(int)(player[8]-2)][(int)(player[7]+nx)];
if(r && pstates[r&0xFF].state != ST_GAS && pstates[r&0xFF].state != ST_LIQUID)
player[7] -= nx;
}
//Collision checks
for(ny = -2-(int)parts[i].vy; ny<=0; ny++)
{
r = pmap[(int)(player[8]+ny)][(int)(player[7]+0.5)]; //This is to make coding more pleasant :-)
//For left leg
if (r && (r&0xFF)!=PT_STKM)
{
if(pstates[r&0xFF].state == ST_LIQUID || (r&0xFF) == PT_LNTG) //Liquid checks //Liquid checks
{
if(parts[i].y<(player[8]-10))
parts[i].vy = 1*dt;
else
parts[i].vy = 0;
if(abs(parts[i].vx)>1)
parts[i].vx *= 0.5*dt;
}
else
{
if(pstates[r&0xFF].state != ST_GAS)
{
player[8] += ny-1;
parts[i].vy -= 0.5*parts[i].vy*dt;
}
}
player[9] = player[7];
}
r = pmap[(int)(player[16]+ny)][(int)(player[15]+0.5)];
//For right leg
if (r && (r&0xFF)!=PT_STKM)
{
if(pstates[r&0xFF].state == ST_LIQUID || (r&0xFF) == PT_LNTG)
{
if(parts[i].y<(player[16]-10))
parts[i].vy = 1*dt;
else
parts[i].vy = 0;
if(abs(parts[i].vx)>1)
parts[i].vx *= 0.5*dt;
}
else
{
if(pstates[r&0xFF].state != ST_GAS)
{
player[16] += ny-1;
parts[i].vy -= 0.5*parts[i].vy*dt;
}
}
player[17] = player[15];
}
//If it falls too fast
if (parts[i].vy>=30)
{
parts[i].y -= (10+ny)*dt;
parts[i].vy = -10*dt;
}
}
//Keeping legs distance
if (pow((player[7] - player[15]), 2)<16 && pow((player[8]-player[16]), 2)<1)
{
player[21] -= 0.2;
player[25] += 0.2;
}
if (pow((player[3] - player[11]), 2)<16 && pow((player[4]-player[12]), 2)<1)
{
player[19] -= 0.2;
player[23] += 0.2;
}
//If legs touch something
r = pmap[(int)(player[8]+0.5)][(int)(player[7]+0.5)];
if((r&0xFF)==PT_SPRK && r && (r>>8)<NPART) //If on charge
{
parts[i].life -= (int)(rand()/1000)+38;
}
if (r>0 && (r>>8)<NPART) //If hot or cold
{
if(parts[r>>8].temp>=323 || parts[r>>8].temp<=243)
{
parts[i].life -= 2;
player[26] -= 1;
}
}
if ((r&0xFF)==PT_ACID) //If on acid
parts[i].life -= 5;
if ((r&0xFF)==PT_PLUT) //If on plut
parts[i].life -= 1;
r = pmap[(int)(player[16]+0.5)][(int)(player[15]+0.5)];
if((r&0xFF)==PT_SPRK && r && (r>>8)<NPART) //If on charge
{
parts[i].life -= (int)(rand()/1000)+38;
}
if(r>0 && (r>>8)<NPART) //If hot or cold
{
if(parts[r>>8].temp>=323 || parts[r>>8].temp<=243)
{
parts[i].life -= 2;
player[22] -= 1;
}
}
if ((r&0xFF)==PT_ACID) //If on acid
parts[i].life -= 5;
if ((r&0xFF)==PT_PLUT) //If on plut
parts[i].life -= 1;
isplayer = 1;
}
if(t==PT_CLNE)
{
if(!parts[i].ctype)
{
for(nx=-1; nx<2; nx++)
for(ny=-1; ny<2; ny++)
if(x+nx>=0 && y+ny>0 &&
x+nx<XRES && y+ny<YRES &&
pmap[y+ny][x+nx] &&
(pmap[y+ny][x+nx]&0xFF)!=PT_CLNE &&
(pmap[y+ny][x+nx]&0xFF)!=PT_STKM &&
(pmap[y+ny][x+nx]&0xFF)!=0xFF)
parts[i].ctype = pmap[y+ny][x+nx]&0xFF;
}
else
create_part(-1, x+rand()%3-1, y+rand()%3-1, parts[i].ctype);
}
if(t==PT_YEST)
{
if(parts[i].temp>303&&parts[i].temp<317) {
create_part(-1, x+rand()%3-1, y+rand()%3-1, PT_YEST);
}
}
if(t==PT_PLSM&&parts[i].ctype == PT_NBLE&&parts[i].life <=1)
{
parts[i].type = PT_NBLE;
parts[i].life = 0;
}
if (t==PT_FIRE && parts[i].life <=1 && parts[i].temp<673)
{
t = parts[i].type = PT_SMKE;
parts[i].life = rand()%20+250;
}
nx = (int)(parts[i].x+0.5f);
ny = (int)(parts[i].y+0.5f);
if(nx<CELL || nx>=XRES-CELL ||
ny<CELL || ny>=YRES-CELL)
{
parts[i].x = lx;
parts[i].y = ly;
kill_part(i);
continue;
}
rt = parts[i].flags & FLAG_STAGNANT;
parts[i].flags &= ~FLAG_STAGNANT;
if(!try_move(i, x, y, nx, ny))
{
parts[i].x = lx;
parts[i].y = ly;
if(ptypes[t].falldown)
{
if(nx!=x && try_move(i, x, y, nx, y))
{
parts[i].x = ix;
parts[i].vx *= ptypes[t].collision;
parts[i].vy *= ptypes[t].collision;
}
else if(ny!=y && try_move(i, x, y, x, ny))
{
parts[i].y = iy;
parts[i].vx *= ptypes[t].collision;
parts[i].vy *= ptypes[t].collision;
}
else
{
r = (rand()%2)*2-1;
if(ny!=y && try_move(i, x, y, x+r, ny))
{
parts[i].x += r;
parts[i].y = iy;
parts[i].vx *= ptypes[t].collision;
parts[i].vy *= ptypes[t].collision;
}
else if(ny!=y && try_move(i, x, y, x-r, ny))
{
parts[i].x -= r;
parts[i].y = iy;
parts[i].vx *= ptypes[t].collision;
parts[i].vy *= ptypes[t].collision;
}
else if(nx!=x && try_move(i, x, y, nx, y+r))
{
parts[i].x = ix;
parts[i].y += r;
parts[i].vx *= ptypes[t].collision;
parts[i].vy *= ptypes[t].collision;
}
else if(nx!=x && try_move(i, x, y, nx, y-r))
{
parts[i].x = ix;
parts[i].y -= r;
parts[i].vx *= ptypes[t].collision;
parts[i].vy *= ptypes[t].collision;
}
else if(ptypes[t].falldown>1 && parts[i].vy>fabs(parts[i].vx))
{
s = 0;
if(!rt || nt)
rt = 50;
else
rt = 10;
for(j=x+r; j>=0 && j>=x-rt && j<x+rt && j<XRES; j+=r)
{
if(try_move(i, x, y, j, ny))
{
parts[i].x += j-x;
parts[i].y += ny-y;
x = j;
y = ny;
s = 1;
break;
}
if(try_move(i, x, y, j, y))
{
parts[i].x += j-x;
x = j;
s = 1;
break;
}
if((pmap[y][j]&255)!=t || (bmap[y/CELL][j/CELL] && bmap[y/CELL][j/CELL]!=5))
break;
}
if(parts[i].vy>0)
r = 1;
else
r = -1;
if(s)
for(j=y+r; j>=0 && j<YRES && j>=y-rt && j<x+rt; j+=r)
{
if(try_move(i, x, y, x, j))
{
parts[i].y += j-y;
break;
}
if((pmap[j][x]&255)!=t || (bmap[j/CELL][x/CELL] && bmap[j/CELL][x/CELL]!=5))
{
s = 0;
break;
}
}
parts[i].vx *= ptypes[t].collision;
parts[i].vy *= ptypes[t].collision;
if(!s)
parts[i].flags |= FLAG_STAGNANT;
}
else
{
parts[i].flags |= FLAG_STAGNANT;
parts[i].vx *= ptypes[t].collision;
parts[i].vy *= ptypes[t].collision;
}
}
}
else
{
parts[i].flags |= FLAG_STAGNANT;
if(nx>x+ISTP) nx=x+ISTP;
if(nx<x-ISTP) nx=x-ISTP;
if(ny>y+ISTP) ny=y+ISTP;
if(ny<y-ISTP) ny=y-ISTP;
if(t==PT_NEUT && 100>(rand()%1000))
{
kill_part(i);
continue;
}
else if(try_move(i, x, y, 2*x-nx, ny))
{
parts[i].x = (float)(2*x-nx);
parts[i].y = (float)iy;
parts[i].vx *= ptypes[t].collision;
}
else if(try_move(i, x, y, nx, 2*y-ny))
{
parts[i].x = (float)ix;
parts[i].y = (float)(2*y-ny);
parts[i].vy *= ptypes[t].collision;
}
else
{
parts[i].vx *= ptypes[t].collision;
parts[i].vy *= ptypes[t].collision;
}
}
}
if(nx<CELL || nx>=XRES-CELL || ny<CELL || ny>=YRES-CELL)
{
kill_part(i);
continue;
}
}
if(framerender) {
framerender = 0;
sys_pause = 1;
}
}
void update_particles(pixel *vid)
{
int i, j, x, y, t, nx, ny, r, cr,cg,cb, l = -1;
float lx, ly;
#ifdef MT
int pt = 0, pc = 0;
pthread_t *InterThreads;
#endif
isplayer = 0; //Needed for player spawning
memset(pmap, 0, sizeof(pmap));
r = rand()%2;
for(j=0; j<NPART; j++)
{
i = r ? (NPART-1-j) : j;
if(parts[i].type)
{
t = parts[i].type;
x = (int)(parts[i].x+0.5f);
y = (int)(parts[i].y+0.5f);
if(x>=0 && y>=0 && x<XRES && y<YRES)
pmap[y][x] = t|(i<<8);
}
else
{
parts[i].life = l;
l = i;
}
}
pfree=l;
if(cmode==4)
{
for(y=0; y<YRES/CELL; y++)
{
for(x=0; x<XRES/CELL; x++)
{
if(bmap[y][x]==1)
for(j=0; j<CELL; j++)
for(i=0; i<CELL; i++)
{
pmap[y*CELL+j][x*CELL+i] = 0x7FFFFFFF;
vid[(y*CELL+j)*(XRES+BARSIZE)+(x*CELL+i)] = PIXPACK(0x808080);
drawblob(vid, (x*CELL+i), (y*CELL+j), 0x80, 0x80, 0x80);
}
if(bmap[y][x]==2)
for(j=0; j<CELL; j+=2)
for(i=(j>>1)&1; i<CELL; i+=2)
{
vid[(y*CELL+j)*(XRES+BARSIZE)+(x*CELL+i)] = PIXPACK(0x808080);
drawblob(vid, (x*CELL+i), (y*CELL+j), 0x80, 0x80, 0x80);
}
if(bmap[y][x]==3)
{
for(j=0; j<CELL; j++)
for(i=0; i<CELL; i++)
if(!((y*CELL+j)%2) && !((x*CELL+i)%2))
{
vid[(y*CELL+j)*(XRES+BARSIZE)+(x*CELL+i)] = PIXPACK(0xC0C0C0);
drawblob(vid, (x*CELL+i), (y*CELL+j), 0xC0, 0xC0, 0xC0);
}
if(emap[y][x])
{
cr = cg = cb = 16;
cr += fire_r[y][x];
if(cr > 255) cr = 255;
fire_r[y][x] = cr;
cg += fire_g[y][x];
if(cg > 255) cg = 255;
fire_g[y][x] = cg;
cb += fire_b[y][x];
if(cb > 255) cb = 255;
fire_b[y][x] = cb;
}
}
if(bmap[y][x]==4)
for(j=0; j<CELL; j+=2)
for(i=(j>>1)&1; i<CELL; i+=2)
{
vid[(y*CELL+j)*(XRES+BARSIZE)+(x*CELL+i)] = PIXPACK(0x8080FF);
drawblob(vid, (x*CELL+i), (y*CELL+j), 0x80, 0x80, 0xFF);
}
if(bmap[y][x]==6)
{
for(j=0; j<CELL; j+=2)
for(i=(j>>1)&1; i<CELL; i+=2)
{
vid[(y*CELL+j)*(XRES+BARSIZE)+(x*CELL+i)] = PIXPACK(0xFF8080);
drawblob(vid, (x*CELL+i), (y*CELL+j), 0xFF, 0x80, 0x80);
}
if(emap[y][x])
{
cr = 255;
cg = 32;
cb = 8;
cr += fire_r[y][x];
if(cr > 255) cr = 255;
fire_r[y][x] = cr;
cg += fire_g[y][x];
if(cg > 255) cg = 255;
fire_g[y][x] = cg;
cb += fire_b[y][x];
if(cb > 255) cb = 255;
fire_b[y][x] = cb;
}
}
if(bmap[y][x]==7)
{
if(emap[y][x])
{
cr = cg = cb = 128;
cr += fire_r[y][x];
if(cr > 255) cr = 255;
fire_r[y][x] = cr;
cg += fire_g[y][x];
if(cg > 255) cg = 255;
fire_g[y][x] = cg;
cb += fire_b[y][x];
if(cb > 255) cb = 255;
fire_b[y][x] = cb;
for(j=0; j<CELL; j++)
for(i=0; i<CELL; i++)
if(i&j&1)
{
vid[(y*CELL+j)*(XRES+BARSIZE)+(x*CELL+i)] = PIXPACK(0x808080);
drawblob(vid, (x*CELL+i), (y*CELL+j), 0x80, 0x80, 0x80);
}
}
else
{
for(j=0; j<CELL; j++)
for(i=0; i<CELL; i++)
pmap[y*CELL+j][x*CELL+i] = 0x7FFFFFFF;
for(j=0; j<CELL; j++)
for(i=0; i<CELL; i++)
if(!(i&j&1))
{
vid[(y*CELL+j)*(XRES+BARSIZE)+(x*CELL+i)] = PIXPACK(0x808080);
drawblob(vid, (x*CELL+i), (y*CELL+j), 0x80, 0x80, 0x80);
}
}
}
if(bmap[y][x]==8)
{
for(j=0; j<CELL; j++)
for(i=0; i<CELL; i++)
{
pmap[y*CELL+j][x*CELL+i] = 0x7FFFFFFF;
if(!((y*CELL+j)%2) && !((x*CELL+i)%2))
{
vid[(y*CELL+j)*(XRES+BARSIZE)+(x*CELL+i)] = PIXPACK(0xC0C0C0);
drawblob(vid, (x*CELL+i), (y*CELL+j), 0xC0, 0xC0, 0xC0);
}
else
{
vid[(y*CELL+j)*(XRES+BARSIZE)+(x*CELL+i)] = PIXPACK(0x808080);
drawblob(vid, (x*CELL+i), (y*CELL+j), 0x80, 0x80, 0x80);
}
}
if(emap[y][x])
{
cr = cg = cb = 16;
cr += fire_r[y][x];
if(cr > 255) cr = 255;
fire_r[y][x] = cr;
cg += fire_g[y][x];
if(cg > 255) cg = 255;
fire_g[y][x] = cg;
cb += fire_b[y][x];
if(cb > 255) cb = 255;
fire_b[y][x] = cb;
}
}
if(bmap[y][x]==11)
{
for(j=0; j<CELL; j++)
for(i=0; i<CELL; i++)
{
//pmap[y*CELL+j][x*CELL+i] = 0x7FFFFFFF;
if(!((y*CELL+j)%2) && !((x*CELL+i)%2))
{
vid[(y*CELL+j)*(XRES+BARSIZE)+(x*CELL+i)] = PIXPACK(0xFFFF22);
drawblob(vid, (x*CELL+i), (y*CELL+j), 0xFF, 0xFF, 0x22);
}
}
if(emap[y][x])
{
cr = cg = cb = 16;
cr += fire_r[y][x];
if(cr > 255) cr = 255;
fire_r[y][x] = cr;
cg += fire_g[y][x];
if(cg > 255) cg = 255;
fire_g[y][x] = cg;
cb += fire_b[y][x];
if(cb > 255) cb = 255;
fire_b[y][x] = cb;
}
}
if(bmap[y][x]==13)
{
for(j=0; j<CELL; j+=2)
{
for(i=(j>>1)&1; i<CELL; i+=2)
{
vid[(y*CELL+j)*(XRES+BARSIZE)+(x*CELL+i)] = PIXPACK(0x579777);
drawblob(vid, (x*CELL+i), (y*CELL+j), 0x57, 0x97, 0x77);
}
}
}
if(bmap[y][x]==9)
{
for(j=0; j<CELL; j+=2)
{
for(i=(j>>1)&1; i<CELL; i+=2)
{
vid[(y*CELL+j)*(XRES+BARSIZE)+(x*CELL+i)] = PIXPACK(0x3C3C3C);
drawblob(vid, (x*CELL+i), (y*CELL+j), 0x3C, 0x3C, 0x3C);
}
}
}
if(bmap[y][x]==10)
{
for(j=0; j<CELL; j+=2)
{
for(i=(j>>1)&1; i<CELL; i+=2)
{
vid[(y*CELL+j)*(XRES+BARSIZE)+(x*CELL+i)] = PIXPACK(0x575757);
drawblob(vid, (x*CELL+i), (y*CELL+j), 0x57, 0x57, 0x57);
}
}
}
if(bmap[y][x]==12)
{
if(emap[y][x])
{
for(j=0; j<CELL; j++)
{
for(i=(j)&1; i<CELL; i++)
{
vid[(y*CELL+j)*(XRES+BARSIZE)+(x*CELL+i)] = PIXPACK(0x242424);
drawblob(vid, (x*CELL+i), (y*CELL+j), 0x24, 0x24, 0x24);
}
}
for(j=0; j<CELL; j+=2)
{
for(i=(j)&1; i<CELL; i+=2)
{
vid[(y*CELL+j)*(XRES+BARSIZE)+(x*CELL+i)] = PIXPACK(0x000000);
}
}
}
else
{
for(j=0; j<CELL; j+=2)
{
for(i=(j)&1; i<CELL; i+=2)
{
vid[(y*CELL+j)*(XRES+BARSIZE)+(x*CELL+i)] = PIXPACK(0x242424);
drawblob(vid, (x*CELL+i), (y*CELL+j), 0x24, 0x24, 0x24);
}
}
}
if(emap[y][x])
{
cr = cg = cb = 16;
cr += fire_r[y][x];
if(cr > 255) cr = 255;
fire_r[y][x] = cr;
cg += fire_g[y][x];
if(cg > 255) cg = 255;
fire_g[y][x] = cg;
cb += fire_b[y][x];
if(cb > 255) cb = 255;
fire_b[y][x] = cb;
}
}
if(emap[y][x] && (!sys_pause||framerender))
emap[y][x] --;
}
}
}
else
{
for(y=0; y<YRES/CELL; y++)
{
for(x=0; x<XRES/CELL; x++)
{
if(bmap[y][x]==1)
for(j=0; j<CELL; j++)
for(i=0; i<CELL; i++)
{
pmap[y*CELL+j][x*CELL+i] = 0x7FFFFFFF;
vid[(y*CELL+j)*(XRES+BARSIZE)+(x*CELL+i)] = PIXPACK(0x808080);
}
if(bmap[y][x]==2)
for(j=0; j<CELL; j+=2)
for(i=(j>>1)&1; i<CELL; i+=2)
vid[(y*CELL+j)*(XRES+BARSIZE)+(x*CELL+i)] = PIXPACK(0x808080);
if(bmap[y][x]==3)
{
for(j=0; j<CELL; j++)
for(i=0; i<CELL; i++)
if(!((y*CELL+j)%2) && !((x*CELL+i)%2))
vid[(y*CELL+j)*(XRES+BARSIZE)+(x*CELL+i)] = PIXPACK(0xC0C0C0);
if(emap[y][x])
{
cr = cg = cb = 16;
cr += fire_r[y][x];
if(cr > 255) cr = 255;
fire_r[y][x] = cr;
cg += fire_g[y][x];
if(cg > 255) cg = 255;
fire_g[y][x] = cg;
cb += fire_b[y][x];
if(cb > 255) cb = 255;
fire_b[y][x] = cb;
}
}
if(bmap[y][x]==4)
for(j=0; j<CELL; j+=2)
for(i=(j>>1)&1; i<CELL; i+=2)
vid[(y*CELL+j)*(XRES+BARSIZE)+(x*CELL+i)] = PIXPACK(0x8080FF);
if(bmap[y][x]==6)
{
for(j=0; j<CELL; j+=2)
for(i=(j>>1)&1; i<CELL; i+=2)
vid[(y*CELL+j)*(XRES+BARSIZE)+(x*CELL+i)] = PIXPACK(0xFF8080);
if(emap[y][x])
{
cr = 255;
cg = 32;
cb = 8;
cr += fire_r[y][x];
if(cr > 255) cr = 255;
fire_r[y][x] = cr;
cg += fire_g[y][x];
if(cg > 255) cg = 255;
fire_g[y][x] = cg;
cb += fire_b[y][x];
if(cb > 255) cb = 255;
fire_b[y][x] = cb;
}
}
if(bmap[y][x]==7)
{
if(emap[y][x])
{
cr = cg = cb = 128;
cr += fire_r[y][x];
if(cr > 255) cr = 255;
fire_r[y][x] = cr;
cg += fire_g[y][x];
if(cg > 255) cg = 255;
fire_g[y][x] = cg;
cb += fire_b[y][x];
if(cb > 255) cb = 255;
fire_b[y][x] = cb;
for(j=0; j<CELL; j++)
for(i=0; i<CELL; i++)
if(i&j&1)
vid[(y*CELL+j)*(XRES+BARSIZE)+(x*CELL+i)] = PIXPACK(0x808080);
}
else
{
for(j=0; j<CELL; j++)
for(i=0; i<CELL; i++)
pmap[y*CELL+j][x*CELL+i] = 0x7FFFFFFF;
for(j=0; j<CELL; j++)
for(i=0; i<CELL; i++)
if(!(i&j&1))
vid[(y*CELL+j)*(XRES+BARSIZE)+(x*CELL+i)] = PIXPACK(0x808080);
}
}
if(bmap[y][x]==8)
{
for(j=0; j<CELL; j++)
for(i=0; i<CELL; i++)
{
pmap[y*CELL+j][x*CELL+i] = 0x7FFFFFFF;
if(!((y*CELL+j)%2) && !((x*CELL+i)%2))
vid[(y*CELL+j)*(XRES+BARSIZE)+(x*CELL+i)] = PIXPACK(0xC0C0C0);
else
vid[(y*CELL+j)*(XRES+BARSIZE)+(x*CELL+i)] = PIXPACK(0x808080);
}
if(emap[y][x])
{
cr = cg = cb = 16;
cr += fire_r[y][x];
if(cr > 255) cr = 255;
fire_r[y][x] = cr;
cg += fire_g[y][x];
if(cg > 255) cg = 255;
fire_g[y][x] = cg;
cb += fire_b[y][x];
if(cb > 255) cb = 255;
fire_b[y][x] = cb;
}
}
if(bmap[y][x]==11)
{
for(j=0; j<CELL; j++)
for(i=0; i<CELL; i++)
{
//pmap[y*CELL+j][x*CELL+i] = 0x7FFFFFFF;
if(!((y*CELL+j)%2) && !((x*CELL+i)%2))
vid[(y*CELL+j)*(XRES+BARSIZE)+(x*CELL+i)] = PIXPACK(0xFFFF22);
}
if(emap[y][x])
{
cr = cg = cb = 16;
cr += fire_r[y][x];
if(cr > 255) cr = 255;
fire_r[y][x] = cr;
cg += fire_g[y][x];
if(cg > 255) cg = 255;
fire_g[y][x] = cg;
cb += fire_b[y][x];
if(cb > 255) cb = 255;
fire_b[y][x] = cb;
}
}
if(bmap[y][x]==9)
{
for(j=0; j<CELL; j+=2)
{
for(i=(j>>1)&1; i<CELL; i+=2)
{
vid[(y*CELL+j)*(XRES+BARSIZE)+(x*CELL+i)] = PIXPACK(0x3C3C3C);
}
}
}
if(bmap[y][x]==13)
{
for(j=0; j<CELL; j+=2)
{
for(i=(j>>1)&1; i<CELL; i+=2)
{
vid[(y*CELL+j)*(XRES+BARSIZE)+(x*CELL+i)] = PIXPACK(0x579777);
}
}
}
if(bmap[y][x]==10)
{
for(j=0; j<CELL; j+=2)
{
for(i=(j>>1)&1; i<CELL; i+=2)
{
vid[(y*CELL+j)*(XRES+BARSIZE)+(x*CELL+i)] = PIXPACK(0x575757);
}
}
}
if(bmap[y][x]==12)
{
if(emap[y][x])
{
for(j=0; j<CELL; j++)
{
for(i=(j)&1; i<CELL; i++)
{
vid[(y*CELL+j)*(XRES+BARSIZE)+(x*CELL+i)] = PIXPACK(0x242424);
}
}
for(j=0; j<CELL; j+=2)
{
for(i=(j)&1; i<CELL; i+=2)
{
vid[(y*CELL+j)*(XRES+BARSIZE)+(x*CELL+i)] = PIXPACK(0x000000);
}
}
}
else
{
for(j=0; j<CELL; j+=2)
{
for(i=(j)&1; i<CELL; i+=2)
{
vid[(y*CELL+j)*(XRES+BARSIZE)+(x*CELL+i)] = PIXPACK(0x242424);
}
}
}
if(emap[y][x])
{
cr = cg = cb = 16;
cr += fire_r[y][x];
if(cr > 255) cr = 255;
fire_r[y][x] = cr;
cg += fire_g[y][x];
if(cg > 255) cg = 255;
fire_g[y][x] = cg;
cb += fire_b[y][x];
if(cb > 255) cb = 255;
fire_b[y][x] = cb;
}
}
if(emap[y][x] && (!sys_pause||framerender))
emap[y][x] --;
}
}
}
update_particles_i(vid, 0, 1);
for(y=0; y<YRES/CELL; y++)
for(x=0; x<XRES/CELL; x++)
if(bmap[y][x]==5)
{
lx = x*CELL + CELL*0.5f;
ly = y*CELL + CELL*0.5f;
for(t=0; t<1024; t++)
{
nx = (int)(lx+0.5f);
ny = (int)(ly+0.5f);
if(nx<0 || nx>=XRES || ny<0 || ny>=YRES)
break;
addpixel(vid, nx, ny, 255, 255, 255, 64);
i = nx/CELL;
j = ny/CELL;
lx += vx[j][i]*0.125f;
ly += vy[j][i]*0.125f;
if(bmap[j][i]==5 && i!=x && j!=y)
break;
}
drawtext(vid, x*CELL, y*CELL-2, "\x8D", 255, 255, 255, 128);
}
}
void clear_area(int area_x, int area_y, int area_w, int area_h)
{
int cx = 0;
int cy = 0;
for(cy=0; cy<area_h; cy++)
{
for(cx=0; cx<area_w; cx++)
{
bmap[(cy+area_y)/CELL][(cx+area_x)/CELL] = 0;
delete_part(cx+area_x, cy+area_y);
}
}
}
void create_box(int x1, int y1, int x2, int y2, int c)
{
int i, j;
if(x1>x2)
{
i = x2;
x2 = x1;
x1 = i;
}
if(y1>y2)
{
j = y2;
y2 = y1;
y1 = j;
}
for(j=y1; j<=y2; j++)
for(i=x1; i<=x2; i++)
create_parts(i, j, 1, c);
}
int flood_parts(int x, int y, int c, int cm, int bm)
{
int x1, x2, dy = (c<PT_NUM)?1:CELL;
int co = c;
if(c>=122&&c<=122+UI_WALLCOUNT)
{
c = c-100;
}
if(cm==-1)
{
if(c==0)
{
cm = pmap[y][x]&0xFF;
if(!cm)
return 0;
}
else
cm = 0;
}
if(bm==-1)
{
if(c==30)
{
bm = bmap[y/CELL][x/CELL];
if(!bm)
return 0;
if(bm==1)
cm = 0xFF;
}
else
bm = 0;
}
if((pmap[y][x]&0xFF)!=cm || bmap[y/CELL][x/CELL]!=bm)
return 1;
// go left as far as possible
x1 = x2 = x;
while(x1>=CELL)
{
if((pmap[y][x1-1]&0xFF)!=cm || bmap[y/CELL][(x1-1)/CELL]!=bm)
break;
x1--;
}
while(x2<XRES-CELL)
{
if((pmap[y][x2+1]&0xFF)!=cm || bmap[y/CELL][(x2+1)/CELL]!=bm)
break;
x2++;
}
// fill span
for(x=x1; x<=x2; x++)
if(!create_parts(x, y, 0, co))
return 0;
// fill children
if(y>=CELL+dy)
for(x=x1; x<=x2; x++)
if((pmap[y-dy][x]&0xFF)==cm && bmap[(y-dy)/CELL][x/CELL]==bm)
if(!flood_parts(x, y-dy, co, cm, bm))
return 0;
if(y<YRES-CELL-dy)
for(x=x1; x<=x2; x++)
if((pmap[y+dy][x]&0xFF)==cm && bmap[(y+dy)/CELL][x/CELL]==bm)
if(!flood_parts(x, y+dy, co, cm, bm))
return 0;
return 1;
}
int create_parts(int x, int y, int r, int c)
{
int i, j, f = 0, u, v, oy, ox, b = 0, dw = 0; //n;
if(c == 125)
{
i = x / CELL;
j = y / CELL;
for(v=-1; v<2; v++)
for(u=-1; u<2; u++)
if(i+u>=0 && i+u<XRES/CELL &&
j+v>=0 && j+v<YRES/CELL &&
bmap[j+v][i+u] == 5)
return 1;
bmap[j][i] = 5;
return 1;
}
//LOLOLOLOLLOLOLOLO
if(c == 127)
{
b = 4;
dw = 1;
}
if(c == 122)
{
b = 8;
dw = 1;
}
if(c == 123)
{
b = 7;
dw = 1;
}
if(c == 124)
{
b = 6;
dw = 1;
}
if(c == 128)
{
b = 3;
dw = 1;
}
if(c == 129)
{
b = 2;
dw = 1;
}
if(c == 130)
{
b = 0;
dw = 1;
}
if(c == 131)
{
b = 1;
dw = 1;
}
if(c == 132)
{
b = 9;
dw = 1;
}
if(c == 133)
{
b = 10;
dw = 1;
}
if(c == 134)
{
b = 11;
dw = 1;
}
if(c == 135)
{
b = 12;
dw = 1;
}
if(c == 140)
{
b = 13;
dw = 1;
}
if(c == 255)
{
b = 255;
dw = 1;
}
if(dw==1)
{
r = r/CELL;
x = x/CELL;
y = y/CELL;
x -= r/2;
y -= r/2;
for (ox=x; ox<=x+r; ox++)
{
for (oy=y; oy<=y+r; oy++)
{
if(ox>=0&&ox<XRES/CELL&&oy>=0&&oy<YRES/CELL)
{
i = ox;
j = oy;
if(b==4)
{
fvx[j][i] = 0.0f;
fvy[j][i] = 0.0f;
}
bmap[j][i] = b;
}
}
}
return 1;
}
if(c == SPC_AIR || c == SPC_HEAT || c == SPC_COOL || c == SPC_VACUUM)
{
for(j=-r; j<=r; j++)
for(i=-r; i<=r; i++)
if(i*i+j*j<=r*r)
create_part(-1, x+i, y+j, c);
return 1;
}
if(c == 0)
{
for(j=-r; j<=r; j++)
for(i=-r; i<=r; i++)
if(i*i+j*j<=r*r)
delete_part(x+i, y+j);
return 1;
}
for(j=-r; j<=r; j++)
for(i=-r; i<=r; i++)
if(i*i+j*j<=r*r)
if(create_part(-1, x+i, y+j, c)==-1)
f = 1;
return !f;
}
void create_line(int x1, int y1, int x2, int y2, int r, int c)
{
int cp=abs(y2-y1)>abs(x2-x1), x, y, dx, dy, sy;
float e, de;
if(cp)
{
y = x1;
x1 = y1;
y1 = y;
y = x2;
x2 = y2;
y2 = y;
}
if(x1 > x2)
{
y = x1;
x1 = x2;
x2 = y;
y = y1;
y1 = y2;
y2 = y;
}
dx = x2 - x1;
dy = abs(y2 - y1);
e = 0.0f;
if(dx)
de = dy/(float)dx;
else
de = 0.0f;
y = y1;
sy = (y1<y2) ? 1 : -1;
for(x=x1; x<=x2; x++)
{
if(cp)
create_parts(y, x, r, c);
else
create_parts(x, y, r, c);
e += de;
if(e >= 0.5f)
{
y += sy;
if(c==135 || c==140 || c==134 || c==133 || c==132 || c==131 || c==129 || c==128 || c==127 || c==125 || c==124 || c==123 || c==122 || !r)
{
if(cp)
create_parts(y, x, r, c);
else
create_parts(x, y, r, c);
}
e -= 1.0f;
}
}
}