/*
* Return valid points of an area extending 1 tile to either side and (maxdepth) tiles behind basher,
* taking blocking into account, only if basher is directly infront of bashee
*/
std::vector<point> get_bashing_zone( point bashee, point basher, int maxdepth ) {
std::vector<point> ret;
maxdepth++;
int diffx = basher.x - bashee.x;
int diffy = basher.y - bashee.y;
bool blocked[3] = { false, false, false };
if ( diffx == 0 || diffy == 0 ) { // not directly adjacent to target? bail
for(int offside=0; offside < 3; offside++) {
for(int offdepth = 0; offdepth < maxdepth; offdepth++) {
point hpos(0,0);
if ( diffx == 0 ) { // vertical
hpos = point(basher.x - 1 + offside, basher.y + ( offdepth * diffy ));
} else { // horizontal
hpos = point(basher.x + ( offdepth * diffx ), basher.y - 1 + offside );
}
if ( hpos.x != basher.x || hpos.y != basher.y ) { // zeds are beyond self-help
if ( g->m.move_cost(hpos.x, hpos.y) == 0 ) { // there's a wall or such here
blocked[offside] = true;
}
if ( blocked[offside] == false ) { // mobs behind walls are not helpful
// g->add_msg("bzone += %d,%d",hpos.x,hpos.y);
ret.push_back( hpos );
}
}
}
}
}
return ret;
}
void hexdump(direction d, int fd, unsigned char *p, int n)
{
register int l=0;
char buf[78];
unsigned char c;
#define hpos(x) (3*(x)+(((x)>7)?2:1))
#define apos(x) ((x)+60) /* (x+((x>7)?60:59)) */
#define hdigit(x) (((x)>9)?((x)-10+'a'):((x)+'0'))
memset(buf, ' ', 77);
buf[77]='\0';
printf("%s %d:\n", (d==d_from) ? "From" : "To", fd);
while (n-->0) {
c=(unsigned char)*p++;
buf[hpos(l)] = hdigit(c>>4);
buf[hpos(l)+1] = hdigit(c&15);
buf[apos(l)] = (c<32||c>126) ? '.' : c;
if (++l>15) {
puts(buf);
memset(buf, ' ', 77);
l=0;
}
}
puts(buf);
#undef hpos
#undef apos
#undef hdigit
}