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/* Header: bang.c,v 7.0.1.3 86/12/12 16:57:00 lwall Exp */
/* Log: bang.c,v
* Revision 7.0.1.3 86/12/12 16:57:00 lwall
* Made circular explosions.
*
* Revision 7.0.1.2 86/10/20 14:36:02 lwall
* Picked some lint.
*
* Revision 7.0.1.1 86/10/16 10:49:45 lwall
* Added Damage. Fixed random bugs.
*
* Revision 7.0 86/10/08 15:11:57 lwall
* Split into separate files. Added amoebas and pirates.
*
*/
#include "EXTERN.h"
#include "warp.h"
#include "object.h"
#include "move.h"
#include "sig.h"
#include "term.h"
#include "them.h"
#include "INTERN.h"
#include "bang.h"
void
bang_init()
{
;
}
void
make_plink(y,x)
Reg1 int x;
Reg2 int y;
{
Reg3 OBJECT *obj;
move(y+1,x*2,0);
beg_qwrite();
*filler = '@';
qwrite();
obj = occupant[y][x];
if (obj) {
if (numamoebas && obj->image == ' ')
qaddc(amb[y][x]);
else
qaddc(obj->image);
}
else if (numamoebas)
qaddc(amb[y][x]);
else
qaddspace();
end_qwrite();
}
void
make_blast(y,x,mass,size)
Reg1 int x;
Reg2 int y;
int size;
long mass;
{
bangy[nxtbang] = y;
bangx[nxtbang] = x;
bangm[nxtbang] = mass;
bangs[nxtbang++] = size;
assert(nxtbang <= XSIZE * YSIZE);
if (numamoebas && amb[y][x] == '~') {
if (mass > 10000)
modify_amoeba(y,x,1,'~', 10);
else if (mass > 100)
modify_amoeba(y,x,1,'~', 5);
bangs[nxtbang-1] = 0; /* don't propagate */
return;
}
else if (mass >= 0) {
Reg3 OBJECT *obj;
move(y+1,x*2,0);
beg_qwrite();
*filler = '@';
qwrite();
*filler = '#';
qwrite();
*filler = '@';
qwrite();
*filler = '#';
qwrite();
*filler = '@';
qwrite();
obj = occupant[y][x];
if (obj) {
if (numamoebas && obj->image == ' ')
qaddc(amb[y][x]);
else
qaddc(obj->image);
}
else if (numamoebas)
qaddc(amb[y][x]);
else
qaddspace();
end_qwrite();
}
}
void
do_bangs()
{
Reg1 int x;
Reg2 int y;
Reg3 int i;
Reg4 int j;
Reg7 int k;
Reg5 int lastxy;
Reg6 OBJECT *obj;
/* read blast list and update blast array */
assert(nxtbang >= 0 && nxtbang <= XSIZE * YSIZE);
for (i=0; i<nxtbang; i++) {
if (bangm[i] != 32767)
bangm[i] *= 4;
lastxy = bangs[i] << 1;
if (lastxy >= MAXBDIST)
lastxy = MAXBDIST - 1;
for (y=bangy[i]-bangs[i],x=bangx[i]-bangs[i],j=lastxy;
j>=0;
y++,x++,--j) {
yblasted[yy[j] = (y+YSIZE00) % YSIZE] |= 1;
xblasted[xx[j] = (x+XSIZE00) % XSIZE] |= 1;
}
blasted = TRUE;
for (y=lastxy;y>=0;--y) {
for (x=lastxy;x>=0;--x) {
if (lastxy > 2) {
j = abs(y-bangs[i]);
k = abs(x-bangs[i]);
if (j < k) /* distance is long + 1/2 short */
j += k + k;
else
j += j + k;
if (--j > lastxy)
continue;
}
if (bangm[i] != 32767 ||
!(obj=occupant[yy[y]][xx[x]]) || obj->type != Web)
blast[yy[y]][xx[x]] += bangm[i];
}
}
}
}
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