diff options
Diffstat (limited to 'modules/godot_physics_2d/godot_broad_phase_2d_bvh.cpp')
| -rw-r--r-- | modules/godot_physics_2d/godot_broad_phase_2d_bvh.cpp | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/modules/godot_physics_2d/godot_broad_phase_2d_bvh.cpp b/modules/godot_physics_2d/godot_broad_phase_2d_bvh.cpp new file mode 100644 index 0000000000..59623a2667 --- /dev/null +++ b/modules/godot_physics_2d/godot_broad_phase_2d_bvh.cpp @@ -0,0 +1,123 @@ +/**************************************************************************/ +/* godot_broad_phase_2d_bvh.cpp */ +/**************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/**************************************************************************/ +/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */ +/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */ +/* */ +/* 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 "godot_broad_phase_2d_bvh.h" +#include "godot_collision_object_2d.h" + +GodotBroadPhase2D::ID GodotBroadPhase2DBVH::create(GodotCollisionObject2D *p_object, int p_subindex, const Rect2 &p_aabb, bool p_static) { + uint32_t tree_id = p_static ? TREE_STATIC : TREE_DYNAMIC; + uint32_t tree_collision_mask = p_static ? TREE_FLAG_DYNAMIC : (TREE_FLAG_STATIC | TREE_FLAG_DYNAMIC); + ID oid = bvh.create(p_object, true, tree_id, tree_collision_mask, p_aabb, p_subindex); // Pair everything, don't care? + return oid + 1; +} + +void GodotBroadPhase2DBVH::move(ID p_id, const Rect2 &p_aabb) { + ERR_FAIL_COND(!p_id); + bvh.move(p_id - 1, p_aabb); +} + +void GodotBroadPhase2DBVH::set_static(ID p_id, bool p_static) { + ERR_FAIL_COND(!p_id); + uint32_t tree_id = p_static ? TREE_STATIC : TREE_DYNAMIC; + uint32_t tree_collision_mask = p_static ? TREE_FLAG_DYNAMIC : (TREE_FLAG_STATIC | TREE_FLAG_DYNAMIC); + bvh.set_tree(p_id - 1, tree_id, tree_collision_mask, false); +} + +void GodotBroadPhase2DBVH::remove(ID p_id) { + ERR_FAIL_COND(!p_id); + bvh.erase(p_id - 1); +} + +GodotCollisionObject2D *GodotBroadPhase2DBVH::get_object(ID p_id) const { + ERR_FAIL_COND_V(!p_id, nullptr); + GodotCollisionObject2D *it = bvh.get(p_id - 1); + ERR_FAIL_NULL_V(it, nullptr); + return it; +} + +bool GodotBroadPhase2DBVH::is_static(ID p_id) const { + ERR_FAIL_COND_V(!p_id, false); + uint32_t tree_id = bvh.get_tree_id(p_id - 1); + return tree_id == 0; +} + +int GodotBroadPhase2DBVH::get_subindex(ID p_id) const { + ERR_FAIL_COND_V(!p_id, 0); + return bvh.get_subindex(p_id - 1); +} + +int GodotBroadPhase2DBVH::cull_segment(const Vector2 &p_from, const Vector2 &p_to, GodotCollisionObject2D **p_results, int p_max_results, int *p_result_indices) { + return bvh.cull_segment(p_from, p_to, p_results, p_max_results, nullptr, 0xFFFFFFFF, p_result_indices); +} + +int GodotBroadPhase2DBVH::cull_aabb(const Rect2 &p_aabb, GodotCollisionObject2D **p_results, int p_max_results, int *p_result_indices) { + return bvh.cull_aabb(p_aabb, p_results, p_max_results, nullptr, 0xFFFFFFFF, p_result_indices); +} + +void *GodotBroadPhase2DBVH::_pair_callback(void *self, uint32_t p_A, GodotCollisionObject2D *p_object_A, int subindex_A, uint32_t p_B, GodotCollisionObject2D *p_object_B, int subindex_B) { + GodotBroadPhase2DBVH *bpo = static_cast<GodotBroadPhase2DBVH *>(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 GodotBroadPhase2DBVH::_unpair_callback(void *self, uint32_t p_A, GodotCollisionObject2D *p_object_A, int subindex_A, uint32_t p_B, GodotCollisionObject2D *p_object_B, int subindex_B, void *pairdata) { + GodotBroadPhase2DBVH *bpo = static_cast<GodotBroadPhase2DBVH *>(self); + if (!bpo->unpair_callback) { + return; + } + + bpo->unpair_callback(p_object_A, subindex_A, p_object_B, subindex_B, pairdata, bpo->unpair_userdata); +} + +void GodotBroadPhase2DBVH::set_pair_callback(PairCallback p_pair_callback, void *p_userdata) { + pair_callback = p_pair_callback; + pair_userdata = p_userdata; +} + +void GodotBroadPhase2DBVH::set_unpair_callback(UnpairCallback p_unpair_callback, void *p_userdata) { + unpair_callback = p_unpair_callback; + unpair_userdata = p_userdata; +} + +void GodotBroadPhase2DBVH::update() { + bvh.update(); +} + +GodotBroadPhase2D *GodotBroadPhase2DBVH::_create() { + return memnew(GodotBroadPhase2DBVH); +} + +GodotBroadPhase2DBVH::GodotBroadPhase2DBVH() { + bvh.set_pair_callback(_pair_callback, this); + bvh.set_unpair_callback(_unpair_callback, this); +} |