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Move xysize_range(), xydist_range() to xy.c and xy.h

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Moved from snxtsct.c and prototypes.h next to the other struct range
functions.
This commit is contained in:
Markus Armbruster 2011-04-08 20:38:03 +02:00
parent e7d7cfdc10
commit 40b6032a5d
4 changed files with 43 additions and 43 deletions
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41
src/lib/subs/snxtsct.c
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@ -150,44 +150,3 @@ snxtsct_dist(struct nstr_sect *np, coord cx, coord cy, int dist)
np->dx = -1;
np->dy = 0;
}
void
xysize_range(struct range *rp)
{
if (rp->lx > rp->hx)
rp->width = WORLD_X + rp->hx + 1 - rp->lx;
else
rp->width = rp->hx + 1 - rp->lx;
if (CANT_HAPPEN(rp->width > WORLD_X))
rp->width = WORLD_X;
if (rp->ly > rp->hy)
rp->height = WORLD_Y + rp->hy + 1 - rp->ly;
else
rp->height = rp->hy + 1 - rp->ly;
if (CANT_HAPPEN(rp->height > WORLD_Y))
rp->height = WORLD_Y;
}
void
xydist_range(coord x, coord y, int dist, struct range *rp)
{
if (4 * dist + 1 < WORLD_X) {
rp->lx = xnorm(x - 2 * dist);
rp->hx = xnorm(x + 2 * dist);
rp->width = 4 * dist + 1;
} else {
rp->lx = xnorm(x - WORLD_X / 2);
rp->hx = xnorm(rp->lx + WORLD_X - 1);
rp->width = WORLD_X;
}
if (2 * dist + 1 < WORLD_Y) {
rp->ly = ynorm(y - dist);
rp->hy = ynorm(y + dist);
rp->height = 2 * dist + 1;
} else {
rp->ly = ynorm(y - WORLD_Y / 2);
rp->hy = ynorm(rp->ly + WORLD_Y - 1);
rp->height = WORLD_Y;
}
}