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snd_mix.c, minor cleanup: eliminated stupid multiple casting in SND_PaintChannelFrom8(),

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added braces to the inner for loop in SND_InitScaletable().

git-svn-id: svn+ssh://svn.code.sf.net/p/quakespasm/code/trunk@424 af15c1b1-3010-417e-b628-4374ebc0bcbd
This commit is contained in:
sezero 2011-02-21 18:03:35 +00:00
parent 0015341b73
commit 9a1bdc3137
1 changed files with 3 additions and 1 deletions
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4
quakespasm/Quake/snd_mix.c
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@ -253,6 +253,7 @@ void SND_InitScaletable (void)
{
scale = i * 8 * 256 * sfxvolume.value;
for (j = 0; j < 256; j++)
{
/* When compiling with gcc-4.1.0 at optimisations O1 and
higher, the tricky signed char type conversion is not
guaranteed. Therefore we explicity calculate the signed
@ -261,6 +262,7 @@ void SND_InitScaletable (void)
*/
// snd_scaletable[i][j] = ((signed char)j) * scale;
snd_scaletable[i][j] = ((j < 128) ? j : j - 0xff) * scale;
}
}
}
@ -279,7 +281,7 @@ static void SND_PaintChannelFrom8 (channel_t *ch, sfxcache_t *sc, int count)
lscale = snd_scaletable[ch->leftvol >> 3];
rscale = snd_scaletable[ch->rightvol >> 3];
sfx = (unsigned char *) ((signed char *)sc->data + ch->pos);
sfx = (unsigned char *)sc->data + ch->pos;
for (i = 0; i < count; i++)
{