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- call renderSetRollAngle() with full precision for Duke.

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This commit is contained in:
Mitchell Richters 2020-07-25 15:29:10 +10:00
parent 0d0636b0a7
commit 9fe3af370b
1 changed files with 2 additions and 4 deletions
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6
source/games/duke/src/render.cpp
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@ -537,12 +537,10 @@ void displayrooms(int snum, int smoothratio)
} }
if (!synchronized_input) if (!synchronized_input)
renderSetRollAngle(p->getrotscrnang()); renderSetRollAngle(p->q16rotscrnang / (float)(FRACUNIT));
else else
{ {
// The fixed point fuckery at play here means we cannot do the interpolation at full precision. renderSetRollAngle((p->oq16rotscrnang + mulscale16(((p->q16rotscrnang - p->oq16rotscrnang + (1024 << FRACBITS)) & 0x7FFFFFF) - (1024 << FRACBITS), smoothratio)) / (float)(FRACUNIT));
auto oa = p->oq16rotscrnang >> FRACBITS;
renderSetRollAngle(oa + mulscale16(((p->getrotscrnang() - oa + 1024) & 2047) - 1024, smoothratio));
p->oq16rotscrnang = p->q16rotscrnang; // JBF: save it for next time p->oq16rotscrnang = p->q16rotscrnang; // JBF: save it for next time
} }