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Remove redundant sprite freelist.

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Previously, the lists starting at headspritestat[MAXSTATUS] and
headspritesect[MAXSECTORS] were both used as sprite freelists and were always
in complete synchrony.  Now, make only the statnum list keep the free sprites.
This way, it has no CON compatibility implications because
headspritesect[MAXSECTORS] is inaccessible there.  Leave the array at its
original size for now.

git-svn-id: https://svn.eduke32.com/eduke32@2477 1a8010ca-5511-0410-912e-c29ae57300e0
This commit is contained in:
helixhorned 2012-03-14 22:29:45 +00:00
parent 5e19a48754
commit 9c34845faa
1 changed files with 10 additions and 31 deletions
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41
polymer/eduke32/build/src/engine.c
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@ -7522,27 +7522,6 @@ static void do_insertsprite_at_headofsect(int16_t spritenum, int16_t sectnum)
sprite[spritenum].sectnum = sectnum;
}
// insertspritesect (internal)
static int32_t insertspritesect(int16_t sectnum)
{
int16_t blanktouse;
if ((sectnum >= MAXSECTORS) || (headspritesect[MAXSECTORS] == -1))
return(-1); //list full
// remove one sprite from the sectnum-freelist
blanktouse = headspritesect[MAXSECTORS];
headspritesect[MAXSECTORS] = nextspritesect[blanktouse];
// make back-link of the new freelist head point to nil
if (headspritesect[MAXSECTORS] >= 0)
prevspritesect[headspritesect[MAXSECTORS]] = -1;
do_insertsprite_at_headofsect(blanktouse, sectnum);
return(blanktouse);
}
// remove sprite 'deleteme' from its sector list
static void do_deletespritesect(int16_t deleteme)
{
@ -7557,7 +7536,7 @@ static void do_deletespritesect(int16_t deleteme)
prevspritesect[next] = prev;
}
///// the same thing, now for status lists /////
///// now, status lists /////
// insert sprite at head of status list, change .statnum
static void do_insertsprite_at_headofstat(int16_t spritenum, int16_t statnum)
@ -7616,8 +7595,13 @@ static void do_deletespritestat(int16_t deleteme)
//
int32_t insertsprite(int16_t sectnum, int16_t statnum)
{
insertspritestat(statnum);
return(insertspritesect(sectnum));
int32_t newspritenum = insertspritestat(statnum);
if (newspritenum >= 0)
do_insertsprite_at_headofsect(newspritenum, sectnum);
return newspritenum;
}
//
@ -7634,13 +7618,8 @@ int32_t deletesprite(int16_t spritenum)
do_deletespritestat(spritenum);
do_deletespritesect(spritenum);
// insert at tail of sector freelist
prevspritesect[spritenum] = tailspritefree;
nextspritesect[spritenum] = -1;
if (tailspritefree >= 0)
nextspritesect[tailspritefree] = spritenum;
else
headspritesect[MAXSECTORS] = spritenum;
// (dummy) insert at tail of sector freelist, compat
// for code that checks .sectnum==MAXSECTOR
sprite[spritenum].sectnum = MAXSECTORS;
// insert at tail of status freelist