ball.c formatting

Mostly a couple of block comments.
This commit is contained in:
PatR
2019-05-26 18:23:05 -07:00
parent 1702f55c18
commit b3689411dd

View File

@@ -1,4 +1,4 @@
/* NetHack 3.6 ball.c $NHDT-Date: 1558485648 2019/05/22 00:40:48 $ $NHDT-Branch: NetHack-3.6 $:$NHDT-Revision: 1.37 $ */
/* NetHack 3.6 ball.c $NHDT-Date: 1558920171 2019/05/27 01:22:51 $ $NHDT-Branch: NetHack-3.6 $:$NHDT-Revision: 1.38 $ */
/* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
/*-Copyright (c) David Cohrs, 2006. */
/* NetHack may be freely redistributed. See license for details. */
@@ -373,20 +373,7 @@ xchar ballx, bally, chainx, chainy; /* only matter !before */
}
}
/* return TRUE if the caller needs to place the ball and chain down again
*
* Should not be called while swallowed. Should be called before movement,
* because we might want to move the ball or chain to the hero's old
* position.
*
* It is called if we are moving. It is also called if we are teleporting
* *if* the ball doesn't move and we thus must drag the chain. It is not
* called for ordinary teleportation.
*
* allow_drag is only used in the ugly special case where teleporting must
* drag the chain, while an identical-looking movement must drag both the ball
* and chain.
*/
/* return TRUE if the caller needs to place the ball and chain down again */
boolean
drag_ball(x, y, bc_control, ballx, bally, chainx, chainy, cause_delay,
allow_drag)
@@ -399,6 +386,20 @@ boolean allow_drag;
struct trap *t = (struct trap *) 0;
boolean already_in_rock;
/*
* Should not be called while swallowed. Should be called before
* movement, because we might want to move the ball or chain to the
* hero's old position.
*
* It is called if we are moving. It is also called if we are
* teleporting *if* the ball doesn't move and we thus must drag the
* chain. It is not called for ordinary teleportation.
*
* 'allow_drag' is only used in the ugly special case where teleporting
* must drag the chain, while an identical-looking movement must drag
* both the ball and chain.
*/
*ballx = uball->ox;
*bally = uball->oy;
*chainx = uchain->ox;
@@ -425,6 +426,7 @@ boolean allow_drag;
}
return TRUE;
}
#define CHAIN_IN_MIDDLE(chx, chy) \
(distmin(x, y, chx, chy) <= 1 \
&& distmin(chx, chy, uball->ox, uball->oy) <= 1)
@@ -432,19 +434,21 @@ boolean allow_drag;
(IS_ROCK(levl[x][y].typ) \
|| (IS_DOOR(levl[x][y].typ) \
&& (levl[x][y].doormask & (D_CLOSED | D_LOCKED))))
/* Don't ever move the chain into solid rock. If we have to, then instead
* undo the move_bc() and jump to the drag ball code. Note that this also
* means the "cannot carry and drag" message will not appear, since unless we
* moved at least two squares there is no possibility of the chain position
* being in solid rock.
*/
#define SKIP_TO_DRAG \
{ \
/*
* Don't ever move the chain into solid rock. If we have to, then
* instead undo the move_bc() and jump to the drag ball code. Note
* that this also means the "cannot carry and drag" message will not
* appear, since unless we moved at least two squares there is no
* possibility of the chain position being in solid rock.
*/
#define SKIP_TO_DRAG \
do { \
*chainx = oldchainx; \
*chainy = oldchainy; \
move_bc(0, *bc_control, *ballx, *bally, *chainx, *chainy); \
goto drag; \
}
} while (0)
if (IS_CHAIN_ROCK(u.ux, u.uy) || IS_CHAIN_ROCK(*chainx, *chainy)
|| IS_CHAIN_ROCK(uball->ox, uball->oy))
already_in_rock = TRUE;
@@ -469,8 +473,8 @@ boolean allow_drag;
case 5: {
xchar tempx, tempy, tempx2, tempy2;
/* find position closest to current position of chain */
/* no effect if current position is already OK */
/* find position closest to current position of chain;
no effect if current position is already OK */
if (abs(x - uball->ox) == 1) {
tempx = x;
tempx2 = uball->ox;