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SW - interpso.cpp: Imperfect hack for jittery coolies in level 1's train

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(with SO interpolation turned on). It would be nicer to have something
better structured than the given hack, but this currently seems to work,
while not breaking the sprites on the boat in the beginning of level 5.
This commit is contained in:
NY00123 2020-05-26 22:09:31 +03:00 committed by Christoph Oelckers
parent 217bf454f4
commit 6920ef8fc3
1 changed files with 16 additions and 0 deletions
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16
source/sw/src/interpso.cpp
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@ -289,6 +289,22 @@ void so_dointerpolations(int32_t smoothratio) // Stick at b
for (i = 0, data = interp->data; i < interp->numinterpolations; i++, data++)
{
// Hack for jittery coolies in level 1's train.
// Based in idea on code from draw.cpp:analyzesprites.
// TODO: It could be better. In particular, it could be better
// to conditionally disable the interpolation from analyzesprites
// instead, using TSPRITE info if possible.
if (((uintptr_t)(data->curipos) >= (uintptr_t)sprite) &&
((uintptr_t)(data->curipos) < (uintptr_t)(sprite + Numsprites)))
{
int32_t sprnum = ((char *)data->curipos - (char *)sprite) / sizeof(*sprite);
USERp u = User[sprnum];
if (u && (sprite[sprnum].statnum != STAT_DEFAULT) &&
((TEST(u->Flags, SPR_SKIP4) && (sprite[sprnum].statnum <= STAT_SKIP4_INTERP_END)) ||
(TEST(u->Flags, SPR_SKIP2) && (sprite[sprnum].statnum <= STAT_SKIP2_INTERP_END))))
continue;
}
if (data->spriteofang >= 0)
*(int16_t *)(data->curipos) = NORM_ANGLE(data->lastoldipos + mulscale16(data->lastangdiff, ratio));
else