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215 lines
9.1 KiB
C++
215 lines
9.1 KiB
C++
/*************************************************************************/
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/* godot_space_2d.h */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#ifndef GODOT_SPACE_2D_H
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#define GODOT_SPACE_2D_H
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#include "godot_area_2d.h"
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#include "godot_area_pair_2d.h"
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#include "godot_body_2d.h"
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#include "godot_body_pair_2d.h"
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#include "godot_broad_phase_2d.h"
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#include "godot_collision_object_2d.h"
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#include "core/config/project_settings.h"
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#include "core/templates/hash_map.h"
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#include "core/typedefs.h"
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class GodotPhysicsDirectSpaceState2D : public PhysicsDirectSpaceState2D {
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GDCLASS(GodotPhysicsDirectSpaceState2D, PhysicsDirectSpaceState2D);
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public:
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GodotSpace2D *space = nullptr;
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virtual int intersect_point(const PointParameters &p_parameters, ShapeResult *r_results, int p_result_max) override;
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virtual bool intersect_ray(const RayParameters &p_parameters, RayResult &r_result) override;
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virtual int intersect_shape(const ShapeParameters &p_parameters, ShapeResult *r_results, int p_result_max) override;
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virtual bool cast_motion(const ShapeParameters &p_parameters, real_t &p_closest_safe, real_t &p_closest_unsafe) override;
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virtual bool collide_shape(const ShapeParameters &p_parameters, Vector2 *r_results, int p_result_max, int &r_result_count) override;
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virtual bool rest_info(const ShapeParameters &p_parameters, ShapeRestInfo *r_info) override;
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GodotPhysicsDirectSpaceState2D() {}
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};
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class GodotSpace2D {
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public:
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enum ElapsedTime {
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ELAPSED_TIME_INTEGRATE_FORCES,
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ELAPSED_TIME_GENERATE_ISLANDS,
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ELAPSED_TIME_SETUP_CONSTRAINTS,
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ELAPSED_TIME_SOLVE_CONSTRAINTS,
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ELAPSED_TIME_INTEGRATE_VELOCITIES,
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ELAPSED_TIME_MAX
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};
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private:
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struct ExcludedShapeSW {
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GodotShape2D *local_shape = nullptr;
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const GodotCollisionObject2D *against_object = nullptr;
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int against_shape_index = 0;
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};
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uint64_t elapsed_time[ELAPSED_TIME_MAX] = {};
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GodotPhysicsDirectSpaceState2D *direct_access = nullptr;
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RID self;
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GodotBroadPhase2D *broadphase = nullptr;
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SelfList<GodotBody2D>::List active_list;
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SelfList<GodotBody2D>::List mass_properties_update_list;
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SelfList<GodotBody2D>::List state_query_list;
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SelfList<GodotArea2D>::List monitor_query_list;
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SelfList<GodotArea2D>::List area_moved_list;
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static void *_broadphase_pair(GodotCollisionObject2D *A, int p_subindex_A, GodotCollisionObject2D *B, int p_subindex_B, void *p_self);
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static void _broadphase_unpair(GodotCollisionObject2D *A, int p_subindex_A, GodotCollisionObject2D *B, int p_subindex_B, void *p_data, void *p_self);
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HashSet<GodotCollisionObject2D *> objects;
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GodotArea2D *area = nullptr;
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int solver_iterations = 0;
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real_t contact_recycle_radius = 0.0;
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real_t contact_max_separation = 0.0;
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real_t contact_max_allowed_penetration = 0.0;
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real_t contact_bias = 0.0;
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real_t constraint_bias = 0.0;
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enum {
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INTERSECTION_QUERY_MAX = 2048
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};
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GodotCollisionObject2D *intersection_query_results[INTERSECTION_QUERY_MAX];
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int intersection_query_subindex_results[INTERSECTION_QUERY_MAX];
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real_t body_linear_velocity_sleep_threshold = 0.0;
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real_t body_angular_velocity_sleep_threshold = 0.0;
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real_t body_time_to_sleep = 0.0;
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bool locked = false;
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real_t last_step = 0.001;
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int island_count = 0;
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int active_objects = 0;
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int collision_pairs = 0;
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int _cull_aabb_for_body(GodotBody2D *p_body, const Rect2 &p_aabb);
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Vector<Vector2> contact_debug;
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int contact_debug_count = 0;
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friend class GodotPhysicsDirectSpaceState2D;
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public:
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_FORCE_INLINE_ void set_self(const RID &p_self) { self = p_self; }
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_FORCE_INLINE_ RID get_self() const { return self; }
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void set_default_area(GodotArea2D *p_area) { area = p_area; }
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GodotArea2D *get_default_area() const { return area; }
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const SelfList<GodotBody2D>::List &get_active_body_list() const;
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void body_add_to_active_list(SelfList<GodotBody2D> *p_body);
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void body_remove_from_active_list(SelfList<GodotBody2D> *p_body);
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void body_add_to_mass_properties_update_list(SelfList<GodotBody2D> *p_body);
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void body_remove_from_mass_properties_update_list(SelfList<GodotBody2D> *p_body);
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void area_add_to_moved_list(SelfList<GodotArea2D> *p_area);
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void area_remove_from_moved_list(SelfList<GodotArea2D> *p_area);
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const SelfList<GodotArea2D>::List &get_moved_area_list() const;
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void body_add_to_state_query_list(SelfList<GodotBody2D> *p_body);
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void body_remove_from_state_query_list(SelfList<GodotBody2D> *p_body);
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void area_add_to_monitor_query_list(SelfList<GodotArea2D> *p_area);
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void area_remove_from_monitor_query_list(SelfList<GodotArea2D> *p_area);
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GodotBroadPhase2D *get_broadphase();
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void add_object(GodotCollisionObject2D *p_object);
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void remove_object(GodotCollisionObject2D *p_object);
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const HashSet<GodotCollisionObject2D *> &get_objects() const;
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_FORCE_INLINE_ int get_solver_iterations() const { return solver_iterations; }
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_FORCE_INLINE_ real_t get_contact_recycle_radius() const { return contact_recycle_radius; }
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_FORCE_INLINE_ real_t get_contact_max_separation() const { return contact_max_separation; }
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_FORCE_INLINE_ real_t get_contact_max_allowed_penetration() const { return contact_max_allowed_penetration; }
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_FORCE_INLINE_ real_t get_contact_bias() const { return contact_bias; }
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_FORCE_INLINE_ real_t get_constraint_bias() const { return constraint_bias; }
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_FORCE_INLINE_ real_t get_body_linear_velocity_sleep_threshold() const { return body_linear_velocity_sleep_threshold; }
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_FORCE_INLINE_ real_t get_body_angular_velocity_sleep_threshold() const { return body_angular_velocity_sleep_threshold; }
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_FORCE_INLINE_ real_t get_body_time_to_sleep() const { return body_time_to_sleep; }
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void update();
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void setup();
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void call_queries();
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bool is_locked() const;
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void lock();
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void unlock();
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real_t get_last_step() const { return last_step; }
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void set_last_step(real_t p_step) { last_step = p_step; }
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void set_param(PhysicsServer2D::SpaceParameter p_param, real_t p_value);
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real_t get_param(PhysicsServer2D::SpaceParameter p_param) const;
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void set_island_count(int p_island_count) { island_count = p_island_count; }
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int get_island_count() const { return island_count; }
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void set_active_objects(int p_active_objects) { active_objects = p_active_objects; }
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int get_active_objects() const { return active_objects; }
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int get_collision_pairs() const { return collision_pairs; }
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bool test_body_motion(GodotBody2D *p_body, const PhysicsServer2D::MotionParameters &p_parameters, PhysicsServer2D::MotionResult *r_result);
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void set_debug_contacts(int p_amount) { contact_debug.resize(p_amount); }
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_FORCE_INLINE_ bool is_debugging_contacts() const { return !contact_debug.is_empty(); }
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_FORCE_INLINE_ void add_debug_contact(const Vector2 &p_contact) {
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if (contact_debug_count < contact_debug.size()) {
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contact_debug.write[contact_debug_count++] = p_contact;
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}
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}
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_FORCE_INLINE_ Vector<Vector2> get_debug_contacts() { return contact_debug; }
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_FORCE_INLINE_ int get_debug_contact_count() { return contact_debug_count; }
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GodotPhysicsDirectSpaceState2D *get_direct_state();
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void set_elapsed_time(ElapsedTime p_time, uint64_t p_msec) { elapsed_time[p_time] = p_msec; }
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uint64_t get_elapsed_time(ElapsedTime p_time) const { return elapsed_time[p_time]; }
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GodotSpace2D();
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~GodotSpace2D();
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};
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#endif // GODOT_SPACE_2D_H
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