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Use enums and defines for directions

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This commit is contained in:
Pasi Kallinen
2021-06-27 15:31:00 +03:00
parent dad804e118
commit f25a6e26ee
15 changed files with 111 additions and 120 deletions
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8
src/zap.c
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@@ -3667,12 +3667,10 @@ boomhit(struct obj *obj, int dx, int dy)
g.bhitpos.x = u.ux;
g.bhitpos.y = u.uy;
boom = counterclockwise ? S_boomleft : S_boomright;
for (i = 0; i < 8; i++)
if (xdir[i] == dx && ydir[i] == dy)
break;
i = xytod(dx, dy);
tmp_at(DISP_FLASH, cmap_to_glyph(boom));
for (ct = 0; ct < 10; ct++) {
i = (i + 8) % 8; /* 0..7 (8 -> 0, -1 -> 7) */
i = DIR_CLAMP(i);
boom = (S_boomleft + S_boomright - boom); /* toggle */
tmp_at(DISP_CHANGE, cmap_to_glyph(boom)); /* change glyph */
dx = xdir[i];
@@ -3713,7 +3711,7 @@ boomhit(struct obj *obj, int dx, int dy)
/* ct==0, initial position, we want next delta to be same;
ct==5, opposite position, repeat delta undoes first one */
if (ct % 5 != 0)
i += (counterclockwise ? -1 : 1);
i = counterclockwise ? DIR_LEFT(i) : DIR_RIGHT(i);
}
tmp_at(DISP_END, 0); /* do not leave last symbol */
return (struct monst *) 0;