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Merge branch 'build-accelerator' into 'master'

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heightfield: Only `buildAccelerator` on Bullet 2.89+

Closes #5874

See merge request OpenMW/openmw!630
This commit is contained in:
psi29a 2021-03-01 09:14:04 +00:00
commit eb11e1fcdb
1 changed files with 6 additions and 3 deletions
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9
apps/openmw/mwphysics/heightfield.cpp
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@ -58,11 +58,14 @@ namespace MWPhysics
mShape->setUseDiamondSubdivision(true); mShape->setUseDiamondSubdivision(true);
mShape->setLocalScaling(btVector3(triSize, triSize, 1)); mShape->setLocalScaling(btVector3(triSize, triSize, 1));
// Enables acceleration of heighfield collissions. #if BT_BULLET_VERSION >= 289
// Accelerates some collision tests.
// //
// Bullet does not yet use this in the most time-consuming method, `btHeightfieldTerrainShape::processAllTriangle`. // Note: The accelerator data structure in Bullet is only used
// See https://github.com/bulletphysics/bullet3/issues/3276 // in some operations. This could be improved, see:
// https://github.com/bulletphysics/bullet3/issues/3276
mShape->buildAccelerator(); mShape->buildAccelerator();
#endif
btTransform transform(btQuaternion::getIdentity(), btTransform transform(btQuaternion::getIdentity(),
btVector3((x+0.5f) * triSize * (sqrtVerts-1), btVector3((x+0.5f) * triSize * (sqrtVerts-1),