C++ (Cpp) BLI_pbvh_search_gather Examples

Example #1

File: paint_mask.c Project: vanangamudi/blender-main

static int mask_flood_fill_exec(bContext *C, wmOperator *op)
{
	ARegion *ar = CTX_wm_region(C);
	Object *ob = CTX_data_active_object(C);
	PaintMaskFloodMode mode;
	float value;
	DerivedMesh *dm;
	PBVH *pbvh;
	PBVHNode **nodes;
	int totnode, i;

	mode = RNA_enum_get(op->ptr, "mode");
	value = RNA_float_get(op->ptr, "value");

	dm = mesh_get_derived_final(CTX_data_scene(C), ob, CD_MASK_BAREMESH);
	pbvh = dm->getPBVH(ob, dm);
	ob->sculpt->pbvh = pbvh;

	BLI_pbvh_search_gather(pbvh, NULL, NULL, &nodes, &totnode);

	sculpt_undo_push_begin("Mask flood fill");

	for (i = 0; i < totnode; i++) {
		PBVHVertexIter vi;

		sculpt_undo_push_node(ob, nodes[i], SCULPT_UNDO_MASK);

		BLI_pbvh_vertex_iter_begin(pbvh, nodes[i], vi, PBVH_ITER_UNIQUE) {
			mask_flood_fill_set_elem(vi.mask, mode, value);
		} BLI_pbvh_vertex_iter_end;
		
		BLI_pbvh_node_mark_update(nodes[i]);
		if (BLI_pbvh_type(pbvh) == PBVH_GRIDS)
			multires_mark_as_modified(ob, MULTIRES_COORDS_MODIFIED);
	}

Example #2

/* If mode is inside, get all PBVH nodes that lie at least partially
 * inside the clip_planes volume. If mode is outside, get all nodes
 * that lie at least partially outside the volume. If showing all, get
 * all nodes. */
static void get_pbvh_nodes(PBVH *pbvh,
                           PBVHNode ***nodes,
                           int *totnode,
                           float clip_planes[4][4],
                           PartialVisArea mode)
{
	BLI_pbvh_SearchCallback cb;

	/* select search callback */
	switch (mode) {
		case PARTIALVIS_INSIDE:
			cb = BLI_pbvh_node_planes_contain_AABB;
			break;
		case PARTIALVIS_OUTSIDE:
			cb = BLI_pbvh_node_planes_exclude_AABB;
			break;
		case PARTIALVIS_ALL:
			cb = NULL;
	}
	
	BLI_pbvh_search_gather(pbvh, cb, clip_planes, nodes, totnode);
}