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diff --git a/servers/physics_3d/broad_phase_3d_bvh.cpp b/servers/physics_3d/broad_phase_3d_bvh.cpp
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+/*************************************************************************/
+/* broad_phase_3d_bvh.cpp */
+/*************************************************************************/
+/* This file is part of: */
+/* GODOT ENGINE */
+/* https://godotengine.org */
+/*************************************************************************/
+/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
+/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
+/* */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the */
+/* "Software"), to deal in the Software without restriction, including */
+/* without limitation the rights to use, copy, modify, merge, publish, */
+/* distribute, sublicense, and/or sell copies of the Software, and to */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions: */
+/* */
+/* The above copyright notice and this permission notice shall be */
+/* included in all copies or substantial portions of the Software. */
+/* */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
+/*************************************************************************/
+
+#include "broad_phase_3d_bvh.h"
+#include "collision_object_3d_sw.h"
+
+BroadPhase3DBVH::ID BroadPhase3DBVH::create(CollisionObject3DSW *p_object, int p_subindex, const AABB &p_aabb, bool p_static) {
+ ID oid = bvh.create(p_object, true, p_aabb, p_subindex, !p_static, 1 << p_object->get_type(), p_static ? 0 : 0xFFFFF); // Pair everything, don't care?
+ return oid + 1;
+}
+
+void BroadPhase3DBVH::move(ID p_id, const AABB &p_aabb) {
+ bvh.move(p_id - 1, p_aabb);
+}
+
+void BroadPhase3DBVH::set_static(ID p_id, bool p_static) {
+ CollisionObject3DSW *it = bvh.get(p_id - 1);
+ bvh.set_pairable(p_id - 1, !p_static, 1 << it->get_type(), p_static ? 0 : 0xFFFFF, false); // Pair everything, don't care?
+}
+
+void BroadPhase3DBVH::remove(ID p_id) {
+ bvh.erase(p_id - 1);
+}
+
+CollisionObject3DSW *BroadPhase3DBVH::get_object(ID p_id) const {
+ CollisionObject3DSW *it = bvh.get(p_id - 1);
+ ERR_FAIL_COND_V(!it, nullptr);
+ return it;
+}
+
+bool BroadPhase3DBVH::is_static(ID p_id) const {
+ return !bvh.is_pairable(p_id - 1);
+}
+
+int BroadPhase3DBVH::get_subindex(ID p_id) const {
+ return bvh.get_subindex(p_id - 1);
+}
+
+int BroadPhase3DBVH::cull_point(const Vector3 &p_point, CollisionObject3DSW **p_results, int p_max_results, int *p_result_indices) {
+ return bvh.cull_point(p_point, p_results, p_max_results, p_result_indices);
+}
+
+int BroadPhase3DBVH::cull_segment(const Vector3 &p_from, const Vector3 &p_to, CollisionObject3DSW **p_results, int p_max_results, int *p_result_indices) {
+ return bvh.cull_segment(p_from, p_to, p_results, p_max_results, p_result_indices);
+}
+
+int BroadPhase3DBVH::cull_aabb(const AABB &p_aabb, CollisionObject3DSW **p_results, int p_max_results, int *p_result_indices) {
+ return bvh.cull_aabb(p_aabb, p_results, p_max_results, p_result_indices);
+}
+
+void *BroadPhase3DBVH::_pair_callback(void *self, uint32_t p_A, CollisionObject3DSW *p_object_A, int subindex_A, uint32_t p_B, CollisionObject3DSW *p_object_B, int subindex_B) {
+ BroadPhase3DBVH *bpo = (BroadPhase3DBVH *)(self);
+ if (!bpo->pair_callback) {
+ return nullptr;
+ }
+
+ return bpo->pair_callback(p_object_A, subindex_A, p_object_B, subindex_B, bpo->pair_userdata);
+}
+
+void BroadPhase3DBVH::_unpair_callback(void *self, uint32_t p_A, CollisionObject3DSW *p_object_A, int subindex_A, uint32_t p_B, CollisionObject3DSW *p_object_B, int subindex_B, void *pairdata) {
+ BroadPhase3DBVH *bpo = (BroadPhase3DBVH *)(self);
+ if (!bpo->unpair_callback) {
+ return;
+ }
+
+ bpo->unpair_callback(p_object_A, subindex_A, p_object_B, subindex_B, pairdata, bpo->unpair_userdata);
+}
+
+void BroadPhase3DBVH::set_pair_callback(PairCallback p_pair_callback, void *p_userdata) {
+ pair_callback = p_pair_callback;
+ pair_userdata = p_userdata;
+}
+
+void BroadPhase3DBVH::set_unpair_callback(UnpairCallback p_unpair_callback, void *p_userdata) {
+ unpair_callback = p_unpair_callback;
+ unpair_userdata = p_userdata;
+}
+
+void BroadPhase3DBVH::update() {
+ bvh.update();
+}
+
+BroadPhase3DSW *BroadPhase3DBVH::_create() {
+ return memnew(BroadPhase3DBVH);
+}
+
+BroadPhase3DBVH::BroadPhase3DBVH() {
+ bvh.set_pair_callback(_pair_callback, this);
+ bvh.set_unpair_callback(_unpair_callback, this);
+ pair_callback = nullptr;
+ pair_userdata = nullptr;
+ unpair_userdata = nullptr;
+}