static Mesh *applyModifier(ModifierData *md, const ModifierEvalContext *ctx, Mesh *mesh) { ExplodeModifierData *emd = (ExplodeModifierData *)md; ParticleSystemModifierData *psmd = findPrecedingParticlesystem(ctx->object, md); if (psmd) { ParticleSystem *psys = psmd->psys; if (psys == NULL || psys->totpart == 0) { return mesh; } if (psys->part == NULL || psys->particles == NULL) { return mesh; } if (psmd->mesh_final == NULL) { return mesh; } BKE_mesh_tessface_ensure(mesh); /* BMESH - UNTIL MODIFIER IS UPDATED FOR MPoly */ /* 1. find faces to be exploded if needed */ if (emd->facepa == NULL || psmd->flag & eParticleSystemFlag_Pars || emd->flag & eExplodeFlag_CalcFaces || MEM_allocN_len(emd->facepa) / sizeof(int) != mesh->totface) { if (psmd->flag & eParticleSystemFlag_Pars) { psmd->flag &= ~eParticleSystemFlag_Pars; } if (emd->flag & eExplodeFlag_CalcFaces) { emd->flag &= ~eExplodeFlag_CalcFaces; } createFacepa(emd, psmd, mesh); } /* 2. create new mesh */ Scene *scene = DEG_get_evaluated_scene(ctx->depsgraph); if (emd->flag & eExplodeFlag_EdgeCut) { int *facepa = emd->facepa; Mesh *split_m = cutEdges(emd, mesh); Mesh *explode = explodeMesh(emd, psmd, ctx, scene, split_m); MEM_freeN(emd->facepa); emd->facepa = facepa; BKE_id_free(NULL, split_m); return explode; } else { return explodeMesh(emd, psmd, ctx, scene, mesh); } } return mesh; }
static DerivedMesh *applyModifier(ModifierData *md, Object *ob, DerivedMesh *derivedData, ModifierApplyFlag UNUSED(flag)) { DerivedMesh *dm = derivedData; ExplodeModifierData *emd = (ExplodeModifierData *) md; ParticleSystemModifierData *psmd = findPrecedingParticlesystem(ob, md); DM_ensure_tessface(dm); /* BMESH - UNTIL MODIFIER IS UPDATED FOR MPoly */ if (psmd) { ParticleSystem *psys = psmd->psys; if (psys == NULL || psys->totpart == 0) return derivedData; if (psys->part == NULL || psys->particles == NULL) return derivedData; if (psmd->dm == NULL) return derivedData; /* 1. find faces to be exploded if needed */ if (emd->facepa == NULL || psmd->flag & eParticleSystemFlag_Pars || emd->flag & eExplodeFlag_CalcFaces || MEM_allocN_len(emd->facepa) / sizeof(int) != dm->getNumTessFaces(dm)) { if (psmd->flag & eParticleSystemFlag_Pars) psmd->flag &= ~eParticleSystemFlag_Pars; if (emd->flag & eExplodeFlag_CalcFaces) emd->flag &= ~eExplodeFlag_CalcFaces; createFacepa(emd, psmd, derivedData); } /* 2. create new mesh */ if (emd->flag & eExplodeFlag_EdgeCut) { int *facepa = emd->facepa; DerivedMesh *splitdm = cutEdges(emd, dm); DerivedMesh *explode = explodeMesh(emd, psmd, md->scene, ob, splitdm); MEM_freeN(emd->facepa); emd->facepa = facepa; splitdm->release(splitdm); return explode; } else return explodeMesh(emd, psmd, md->scene, ob, derivedData); } return derivedData; }