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- use gFrameClock plus interpolation for angles in viewProcessSprites

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Both more reliable and precise.
This commit is contained in:
Christoph Oelckers 2020-09-01 20:02:37 +02:00
parent 0fa742f0ca
commit b19681b50c
1 changed files with 6 additions and 4 deletions
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10
source/blood/src/animatesprite.cpp
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@ -441,8 +441,10 @@ static void viewApplyDefaultPal(tspritetype *pTSprite, sectortype const *pSector
} }
} }
void viewProcessSprites(int32_t cX, int32_t cY, int32_t cZ, int32_t cA, int32_t) void viewProcessSprites(int32_t cX, int32_t cY, int32_t cZ, int32_t cA, int32_t smoothratio)
{ {
// shift before interpolating to increase precision.
int myclock = (gFrameClock<<3) + mulscale16(4<<3, smoothratio);
dassert(spritesortcnt <= kMaxViewSprites); dassert(spritesortcnt <= kMaxViewSprites);
gCameraAng = cA; gCameraAng = cA;
int nViewSprites = spritesortcnt; int nViewSprites = spritesortcnt;
@ -559,7 +561,7 @@ void viewProcessSprites(int32_t cX, int32_t cY, int32_t cZ, int32_t cA, int32_t)
pTSprite->picnum = voxelIndex[pTSprite->picnum]; pTSprite->picnum = voxelIndex[pTSprite->picnum];
if ((picanm[nTile].extra&7) == 7) if ((picanm[nTile].extra&7) == 7)
{ {
pTSprite->ang = (gameclock<<3)&2047; pTSprite->ang = myclock & 2047;
} }
} }
} }
@ -588,7 +590,7 @@ void viewProcessSprites(int32_t cX, int32_t cY, int32_t cZ, int32_t cA, int32_t)
int const nVoxel = tiletovox[pTSprite->picnum]; int const nVoxel = tiletovox[pTSprite->picnum];
if (nVoxel != -1 && ((voxrotate[nVoxel>>3]&pow2char[nVoxel&7]) != 0 || (picanm[nRootTile].extra&7) == 7)) if (nVoxel != -1 && ((voxrotate[nVoxel>>3]&pow2char[nVoxel&7]) != 0 || (picanm[nRootTile].extra&7) == 7))
pTSprite->ang = (pTSprite->ang+(gameclock<<3))&2047; pTSprite->ang = (pTSprite->ang+myclock)&2047;
} }
if ((pTSprite->cstat&48) != 48 && hw_models && !(spriteext[nSprite].flags&SPREXT_NOTMD)) if ((pTSprite->cstat&48) != 48 && hw_models && !(spriteext[nSprite].flags&SPREXT_NOTMD))
@ -603,7 +605,7 @@ void viewProcessSprites(int32_t cX, int32_t cY, int32_t cZ, int32_t cA, int32_t)
pTSprite->xoffset += tileLeftOffset(nAnimTile); pTSprite->xoffset += tileLeftOffset(nAnimTile);
if ((picanm[nRootTile].extra&7) == 7) if ((picanm[nRootTile].extra&7) == 7)
pTSprite->ang = (pTSprite->ang+(gameclock<<3))&2047; pTSprite->ang = (pTSprite->ang+myclock)&2047;
} }
} }