Crash at exit #862
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happens in a .blend named EcclesiaCharacter on an object named "Face" with a mirror modifier + armature modifier. According to panzergame explainations, the bug comes from the fact we haven't the right number of vertices in the mesh used by BL_MeshDeformer (because of the modifier). I put this in low priority because it's a particular case |
panzergame
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Oct 21, 2018
Before if an object was using a modifier and armature deformation the deformer BL_ModifierDeformer was created and during an Update the armature mesh was first updated. But the function responsible to update the armature mesh is also recalculating the normals. But the derived mesh can have an higher number of vertices and so the update of normals was based on an incorrect number of vertices which induced memory overflow. When updating a derived mesh, then normals don't need to be updated. In this case BL_SkinDeformer::UpdateInternal should informs BGEDeformVerts or BlenderDeformVerts to not update normals. This is achieve by introducing a "recalcNormal" argument to functions UpdateInternal in BL_SkinDeformer and BL_ShapeDeformer levels. When the update is directly proceeded from one of these classes, recalcNormal is to true, if they are updated through top BL_ModifierDeformer recalcNormal is to false. Fix issue: #862.
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Fixed by @panzergame in master. Thanks! |
youle31
pushed a commit
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May 26, 2019
Before if an object was using a modifier and armature deformation the deformer BL_ModifierDeformer was created and during an Update the armature mesh was first updated. But the function responsible to update the armature mesh is also recalculating the normals. But the derived mesh can have an higher number of vertices and so the update of normals was based on an incorrect number of vertices which induced memory overflow. When updating a derived mesh, then normals don't need to be updated. In this case BL_SkinDeformer::UpdateInternal should informs BGEDeformVerts or BlenderDeformVerts to not update normals. This is achieve by introducing a "recalcNormal" argument to functions UpdateInternal in BL_SkinDeformer and BL_ShapeDeformer levels. When the update is directly proceeded from one of these classes, recalcNormal is to true, if they are updated through top BL_ModifierDeformer recalcNormal is to false. Fix issue: #862.
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BGMC 22: Ecclesia
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