actors.c

game duke3d source

{
    //T1,T2 and T3 are used for all the sector moving stuff!!!

    short startwall,endwall,x;
    long tx,ty,j,k;
    spritetype *s;

    s = &sprite[i];

    s->x += (s->xvel*(sintable[(s->ang+512)&2047]))>>14;
    s->y += (s->xvel*(sintable[s->ang&2047]))>>14;

    j = T2;
    k = T3;

    startwall = sector[s->sectnum].wallptr;
    endwall = startwall+sector[s->sectnum].wallnum;
    for(x=startwall;x<endwall;x++)
    {
        rotatepoint(
            0,0,
            msx[j],msy[j],
            k&2047,&tx,&ty);

        dragpoint(x,s->x+tx,s->y+ty);

        j++;
    }
}

void movefta(void)
{
    long x, px, py, sx, sy;
    short i, j, p, psect, ssect, nexti;
    spritetype *s;

    i = headspritestat[2];
    while(i >= 0)
    {
        nexti = nextspritestat[i];

        s = &sprite[i];
        p = findplayer(s,&x);

        ssect = psect = s->sectnum;

        if(sprite[ps[p].i].extra > 0 )
        {
            if( x < 30000 )
            {
                hittype[i].timetosleep++;
                if( hittype[i].timetosleep >= (x>>8) )
                {
                    if(badguy(s))
                    {
                        px = ps[p].oposx+64-(TRAND&127);
                        py = ps[p].oposy+64-(TRAND&127);
                        updatesector(px,py,&psect);
                        if(psect == -1)
                        {
                            i = nexti;
                            continue;
                        }
                        sx = s->x+64-(TRAND&127);
                        sy = s->y+64-(TRAND&127);
                        updatesector(px,py,&ssect);
                        if(ssect == -1)
                        {
                            i = nexti;
                            continue;
                        }
                        j = cansee(sx,sy,s->z-(TRAND%(52<<8)),s->sectnum,px,py,ps[p].oposz-(TRAND%(32<<8)),ps[p].cursectnum);
                    }
                    else
                        j = cansee(s->x,s->y,s->z-((TRAND&31)<<8),s->sectnum,ps[p].oposx,ps[p].oposy,ps[p].oposz-((TRAND&31)<<8),ps[p].cursectnum);

       //             j = 1;

                    if(j) switch(s->picnum)
                    {
                        case RUBBERCAN:
                        case EXPLODINGBARREL:
                        case WOODENHORSE:
                        case HORSEONSIDE:
                        case CANWITHSOMETHING:
                        case CANWITHSOMETHING2:
                        case CANWITHSOMETHING3:
                        case CANWITHSOMETHING4:
                        case FIREBARREL:
                        case FIREVASE:
                        case NUKEBARREL:
                        case NUKEBARRELDENTED:
                        case NUKEBARRELLEAKED:
                        case TRIPBOMB:
                            if (sector[s->sectnum].ceilingstat&1)
                                s->shade = sector[s->sectnum].ceilingshade;
                            else s->shade = sector[s->sectnum].floorshade;

                            hittype[i].timetosleep = 0;
                            changespritestat(i,6);
                            break;
                        default:
                            hittype[i].timetosleep = 0;
                            check_fta_sounds(i);
                            changespritestat(i,1);
                            break;
                    }
                    else hittype[i].timetosleep = 0;
                }
            }
            if( badguy( s ) )
            {
                if (sector[s->sectnum].ceilingstat&1)
                    s->shade = sector[s->sectnum].ceilingshade;
                else s->shade = sector[s->sectnum].floorshade;
            }
        }
        i = nexti;
    }
}

short ifhitsectors(short sectnum)
{
    short i;

    i = headspritestat[5];
    while(i >= 0)
    {
        if( PN == EXPLOSION2 && sectnum == SECT )
            return i;
        i = nextspritestat[i];
    }
    return -1;
}

short ifhitbyweapon(short sn)
{
    short j, k, p;
    spritetype *npc;

    if( hittype[sn].extra >= 0 )
    {
        if(sprite[sn].extra >= 0 )
        {
            npc = &sprite[sn];

            if(npc->picnum == APLAYER)
            {
                if(ud.god && hittype[sn].picnum != SHRINKSPARK ) return -1;

                p = npc->yvel;
                j = hittype[sn].owner;

                if( j >= 0 &&
                    sprite[j].picnum == APLAYER &&
                    ud.coop == 1 &&
                    ud.ffire == 0 )
                        return -1;

                npc->extra -= hittype[sn].extra;

                if(j >= 0)
                {
                    if(npc->extra <= 0 && hittype[sn].picnum != FREEZEBLAST)
                    {
                        npc->extra = 0;

                        ps[p].wackedbyactor = j;

                        if( sprite[hittype[sn].owner].picnum == APLAYER && p != sprite[hittype[sn].owner].yvel )
                            ps[p].frag_ps = sprite[j].yvel;

                        hittype[sn].owner = ps[p].i;
                    }
                }

                switch(hittype[sn].picnum)
                {
                    case RADIUSEXPLOSION:
                    case RPG:
                    case HYDRENT:
                    case HEAVYHBOMB:
                    case SEENINE:
                    case OOZFILTER:
                    case EXPLODINGBARREL:
                        ps[p].posxv +=
                            hittype[sn].extra*(sintable[(hittype[sn].ang+512)&2047])<<2;
                        ps[p].posyv +=
                            hittype[sn].extra*(sintable[hittype[sn].ang&2047])<<2;
                        break;
                    default:
                        ps[p].posxv +=
                            hittype[sn].extra*(sintable[(hittype[sn].ang+512)&2047])<<1;
                        ps[p].posyv +=
                            hittype[sn].extra*(sintable[hittype[sn].ang&2047])<<1;
                        break;
                }
            }
            else
            {
                if(hittype[sn].extra == 0 )
                    if( hittype[sn].picnum == SHRINKSPARK && npc->xrepeat < 24 )
                        return -1;

                npc->extra -= hittype[sn].extra;
                if(npc->picnum != RECON && npc->owner >= 0 && sprite[npc->owner].statnum < MAXSTATUS )
                    npc->owner = hittype[sn].owner;
            }

            hittype[sn].extra = -1;
            return hittype[sn].picnum;
        }
    }

    hittype[sn].extra = -1;
    return -1;
}

void movecyclers(void)
{
    short q, j, x, t, s, *c;
    walltype *wal;
    char cshade;

    for(q=numcyclers-1;q>=0;q--)
    {

        c = &cyclers[q][0];
        s = c[0];
        
        t = c[3];
        j = t+(sintable[c[1]&2047]>>10);
        cshade = c[2];

        if( j < cshade ) j = cshade;
        else if( j > t )  j = t;

        c[1] += sector[s].extra;
        if(c[5])
        {
            wal = &wall[sector[s].wallptr];
            for(x = sector[s].wallnum;x>0;x--,wal++)
                if( wal->hitag != 1 )
            {
                wal->shade = j;

                if( (wal->cstat&2) && wal->nextwall >= 0)
                    wall[wal->nextwall].shade = j;

            }
            sector[s].floorshade = sector[s].ceilingshade = j;
        }
    }
}

void movedummyplayers(void)
{
    short i, p, nexti;

    i = headspritestat[13];
    while(i >= 0)
    {
        nexti = nextspritestat[i];

        p = sprite[OW].yvel;

        if( ps[p].on_crane >= 0 || sector[ps[p].cursectnum].lotag != 1 || sprite[ps[p].i].extra <= 0 )
        {
            ps[p].dummyplayersprite = -1;
            KILLIT(i);
        }
        else
        {
            if(ps[p].on_ground && ps[p].on_warping_sector == 1 && sector[ps[p].cursectnum].lotag == 1 )
            {
                CS = 257;
                SZ = sector[SECT].ceilingz+(27<<8);
                SA = ps[p].ang;
                if(T1 == 8)
                    T1 = 0;
                else T1++;
            }
            else
            {
                if(sector[SECT].lotag != 2) SZ = sector[SECT].floorz;
                CS = (short) 32768;
            }
        }

        SX += (ps[p].posx-ps[p].oposx);
        SY += (ps[p].posy-ps[p].oposy);
        setsprite(i,SX,SY,SZ);

        BOLT:

        i = nexti;
    }
}


short otherp;
void moveplayers(void) //Players
{
    short i , nexti;
    long otherx;
    spritetype *s;
    struct player_struct *p;

    i = headspritestat[10];
    while(i >= 0)
    {
        nexti = nextspritestat[i];

        s = &sprite[i];
        p = &ps[s->yvel];
        if(s->owner >= 0)
        {
            if(p->newowner >= 0 ) //Looking thru the camera
            {
                s->x = p->oposx;
                s->y = p->oposy;
                hittype[i].bposz = s->z = p->oposz+PHEIGHT;
                s->ang = p->oang;
                setsprite(i,s->x,s->y,s->z);
            }
            else
            {
                if(ud.multimode > 1)
                    otherp = findotherplayer(s->yvel,&otherx);
                else
                {
                    otherp = s->yvel;
                    otherx = 0;
                }

                execute(i,s->yvel,otherx);

                if(ud.multimode > 1)
                    if( sprite[ps[otherp].i].extra > 0 )
                {
                    if( s->yrepeat > 32 && sprite[ps[otherp].i].yrepeat < 32)
                    {
                        if( otherx < 1400 && p->knee_incs == 0 )
                        {
                            p->knee_incs = 1;
                            p->weapon_pos = -1;
                            p->actorsqu = ps[otherp].i;
                        }
                    }
                }
                if(ud.god)
                {
                    s->extra = max_player_health;
                    s->cstat = 257;
                    p->jetpack_amount =     1599;
                }


                if( s->extra > 0 )
                {
                    hittype[i].owner = i;

                    if(ud.god == 0)
                        if( ceilingspace(s->sectnum) || floorspace(s->sectnum) )
                            quickkill(p);
                }
                else
                {
                    
                    p->posx = s->x;
                    p->posy = s->y;
                    p->posz = s->z-(20<<8);

                    p->newowner = -1;

                    if( p->wackedbyactor >= 0 && sprite[p->wackedbyactor].statnum < MAXSTATUS )
                    {
                        p->ang += getincangle(p->ang,getangle(sprite[p->wackedbyactor].x-p->posx,sprite[p->wackedbyactor].y-p->posy))>>1;
                        p->ang &= 2047;
                    }

                }
                s->ang = p->ang;
            }
        }
        else
        {
            if(p->holoduke_on == -1)
                KILLIT(i);

            hittype[i].bposx = s->x;
            hittype[i].bposy = s->y;
            hittype[i].bposz = s->z;

            s->cstat = 0;

            if(s->xrepeat < 42)
            {
                s->xrepeat += 4;
                s->cstat |= 2;
            }
            else s->xrepeat = 42;
            if(s->yrepeat < 36)
                s->yrepeat += 4;
            else
            {
                s->yrepeat = 36;
                if(sector[s->sectnum].lotag != 2)
                    makeitfall(i);
                if(s->zvel == 0 && sector[s->sectnum].lotag == 1)
                    s->z += (32<<8);
            }

            if(s->extra < 8)
            {
                s->xvel = 128;
                s->ang = p->ang;
                s->extra++;
                IFMOVING;
            }
            else
            {
                s->ang = 2047-p->ang;
                setsprite(i,s->x,s->y,s->z);
            }
        }

        if (sector[s->sectnum].ceilingstat&1)
            s->shade += (sector[s->sectnum].ceilingshade-s->shade)>>1;
        else