Differential D2069 Diff 6951 source/blender/blenkernel/intern/bvhutils.c

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source/blender/blenkernel/intern/bvhutils.c

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	if (tree) {	if (tree) {
	memset(data, 0, sizeof(*data));	memset(data, 0, sizeof(*data));
	data->tree = tree;	data->tree = tree;
	data->em = em;
	data->nearest_callback = NULL;	data->nearest_callback = NULL;
	data->raycast_callback = editmesh_verts_spherecast;	data->raycast_callback = editmesh_verts_spherecast;
	data->nearest_to_ray_callback = NULL;	data->nearest_to_ray_callback = NULL;

		data->em = em;
	}	}

	return tree;	return tree;
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	BVHTree *bvhtree_from_editmesh_looptri_ex(	BVHTree *bvhtree_from_editmesh_looptri_ex(
	BVHTreeFromEditMesh data, BMEditMesh em,	BVHTreeFromEditMesh data, BMEditMesh em,
	const BLI_bitmap *looptri_mask, int looptri_num_active,	const BLI_bitmap *looptri_mask, int looptri_num_active,
	float epsilon, int tree_type, int axis)	float epsilon, int tree_type, int axis, BVHCache **bvhCache)
	{	{
	/* BMESH specific check that we have tessfaces,	/* BMESH specific check that we have tessfaces,
	* we _could_ tessellate here but rather not - campbell	* we _could_ tessellate here but rather not - campbell */
	*
	* this assert checks we have tessfaces,
	* if not caller should use DM_ensure_tessface() */

	BVHTree *tree = bvhtree_from_editmesh_looptri_create_tree(
	epsilon, tree_type, axis,
	em, em->tottri, looptri_mask, looptri_num_active);

		BVHTree *tree;
		if (bvhCache) {
		BLI_rw_mutex_lock(&cache_rwlock, THREAD_LOCK_READ);
		tree = bvhcache_find(*bvhCache, BVHTREE_FROM_EM_LOOPTRI);
		BLI_rw_mutex_unlock(&cache_rwlock);
		if (tree == NULL) {
		BLI_rw_mutex_lock(&cache_rwlock, THREAD_LOCK_WRITE);
		tree = bvhcache_find(*bvhCache, BVHTREE_FROM_EM_LOOPTRI);
		if (tree == NULL) {
		tree = bvhtree_from_editmesh_looptri_create_tree(
		epsilon, tree_type, axis,
		em, em->tottri, looptri_mask, looptri_num_active);
		if (tree) {
		/* Save on cache for later use */
		/* printf("BVHTree built and saved on cache\n"); */
		bvhcache_insert(bvhCache, tree, BVHTREE_FROM_EM_LOOPTRI);
		}
		}
		BLI_rw_mutex_unlock(&cache_rwlock);
		}
		}
		else {
		tree = bvhtree_from_editmesh_looptri_create_tree(
		epsilon, tree_type, axis,
		em, em->tottri, looptri_mask, looptri_num_active);
		}
	if (tree) {	if (tree) {
	data->tree = tree;	data->tree = tree;
	data->nearest_callback = editmesh_looptri_nearest_point;	data->nearest_callback = editmesh_looptri_nearest_point;
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	data->nearest_to_ray_callback = NULL;	data->nearest_to_ray_callback = NULL;
	data->sphere_radius = 0.0f;	data->sphere_radius = 0.0f;
	data->em = em;	data->em = em;
		data->cached = bvhCache != NULL;
	}	}
	return tree;	return tree;
	}	}

	BVHTree *bvhtree_from_editmesh_looptri(	BVHTree *bvhtree_from_editmesh_looptri(
	BVHTreeFromEditMesh data, BMEditMesh em,	BVHTreeFromEditMesh data, BMEditMesh em,
	float epsilon, int tree_type, int axis)	float epsilon, int tree_type, int axis, BVHCache **bvhCache)
	{	{
	return bvhtree_from_editmesh_looptri_ex(	return bvhtree_from_editmesh_looptri_ex(
	data, em, NULL, -1,	data, em, NULL, -1,
	epsilon, tree_type, axis);	epsilon, tree_type, axis, bvhCache);
	}	}

	/**	/**
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	tree = bvhcache_find(dm->bvhCache, BVHTREE_FROM_LOOPTRI);	tree = bvhcache_find(dm->bvhCache, BVHTREE_FROM_LOOPTRI);
	if (tree == NULL) {	if (tree == NULL) {
	int looptri_num = dm->getNumLoopTri(dm);	int looptri_num = dm->getNumLoopTri(dm);

		/* this assert checks we have tessfaces,
		* if not caller should use DM_ensure_tessface() */
	BLI_assert(!(looptri_num == 0 && dm->getNumPolys(dm) != 0));	BLI_assert(!(looptri_num == 0 && dm->getNumPolys(dm) != 0));

	tree = bvhtree_from_mesh_looptri_create_tree(	tree = bvhtree_from_mesh_looptri_create_tree(
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	void free_bvhtree_from_editmesh(struct BVHTreeFromEditMesh *data)	void free_bvhtree_from_editmesh(struct BVHTreeFromEditMesh *data)
	{	{
	if (data->tree) {	if (data->tree) {
	BLI_bvhtree_free(data->tree);	if (!data->cached) {
		BLI_bvhtree_free(data->tree);
		}
	memset(data, 0, sizeof(*data));	memset(data, 0, sizeof(*data));
	}	}
	}	}
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