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Diffstat (limited to 'modules/bullet/rigid_body_bullet.h')
-rw-r--r-- | modules/bullet/rigid_body_bullet.h | 328 |
1 files changed, 0 insertions, 328 deletions
diff --git a/modules/bullet/rigid_body_bullet.h b/modules/bullet/rigid_body_bullet.h deleted file mode 100644 index cd433c968f..0000000000 --- a/modules/bullet/rigid_body_bullet.h +++ /dev/null @@ -1,328 +0,0 @@ -/*************************************************************************/ -/* rigid_body_bullet.h */ -/*************************************************************************/ -/* This file is part of: */ -/* GODOT ENGINE */ -/* https://godotengine.org */ -/*************************************************************************/ -/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ -/* Copyright (c) 2014-2022 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. */ -/*************************************************************************/ - -#ifndef RIGID_BODY_BULLET_H -#define RIGID_BODY_BULLET_H - -#include "collision_object_bullet.h" -#include "space_bullet.h" - -#include <BulletCollision/BroadphaseCollision/btCollisionAlgorithm.h> -#include <LinearMath/btTransform.h> - -class AreaBullet; -class SpaceBullet; -class btRigidBody; -class GodotMotionState; -class BulletPhysicsDirectBodyState3D; - -/// This class could be used in multi thread with few changes but currently -/// is set to be only in one single thread. -/// -/// In the system there is only one object at a time that manage all bodies and is -/// created by BulletPhysicsServer3D and is held by the "singleton" variable of this class -/// Each time something require it, the body must be set again. -class BulletPhysicsDirectBodyState3D : public PhysicsDirectBodyState3D { - GDCLASS(BulletPhysicsDirectBodyState3D, PhysicsDirectBodyState3D); - - static BulletPhysicsDirectBodyState3D *singleton; - -public: - /// This class avoid the creation of more object of this class - static void initSingleton() { - if (!singleton) { - singleton = memnew(BulletPhysicsDirectBodyState3D); - } - } - - static void destroySingleton() { - memdelete(singleton); - singleton = nullptr; - } - - static void singleton_setDeltaTime(real_t p_deltaTime) { - singleton->deltaTime = p_deltaTime; - } - - static BulletPhysicsDirectBodyState3D *get_singleton(RigidBodyBullet *p_body) { - singleton->body = p_body; - return singleton; - } - -public: - RigidBodyBullet *body = nullptr; - real_t deltaTime = 0.0; - -private: - BulletPhysicsDirectBodyState3D() {} - -public: - virtual Vector3 get_total_gravity() const override; - virtual real_t get_total_angular_damp() const override; - virtual real_t get_total_linear_damp() const override; - - virtual Vector3 get_center_of_mass() const override; - virtual Basis get_principal_inertia_axes() const override; - // get the mass - virtual real_t get_inverse_mass() const override; - // get density of this body space - virtual Vector3 get_inverse_inertia() const override; - // get density of this body space - virtual Basis get_inverse_inertia_tensor() const override; - - virtual void set_linear_velocity(const Vector3 &p_velocity) override; - virtual Vector3 get_linear_velocity() const override; - - virtual void set_angular_velocity(const Vector3 &p_velocity) override; - virtual Vector3 get_angular_velocity() const override; - - virtual void set_transform(const Transform3D &p_transform) override; - virtual Transform3D get_transform() const override; - - virtual Vector3 get_velocity_at_local_position(const Vector3 &p_position) const override; - - virtual void add_central_force(const Vector3 &p_force) override; - virtual void add_force(const Vector3 &p_force, const Vector3 &p_position = Vector3()) override; - virtual void add_torque(const Vector3 &p_torque) override; - virtual void apply_central_impulse(const Vector3 &p_impulse) override; - virtual void apply_impulse(const Vector3 &p_impulse, const Vector3 &p_position = Vector3()) override; - virtual void apply_torque_impulse(const Vector3 &p_impulse) override; - - virtual void set_sleep_state(bool p_sleep) override; - virtual bool is_sleeping() const override; - - virtual int get_contact_count() const override; - - virtual Vector3 get_contact_local_position(int p_contact_idx) const override; - virtual Vector3 get_contact_local_normal(int p_contact_idx) const override; - virtual real_t get_contact_impulse(int p_contact_idx) const override; - virtual int get_contact_local_shape(int p_contact_idx) const override; - - virtual RID get_contact_collider(int p_contact_idx) const override; - virtual Vector3 get_contact_collider_position(int p_contact_idx) const override; - virtual ObjectID get_contact_collider_id(int p_contact_idx) const override; - virtual int get_contact_collider_shape(int p_contact_idx) const override; - virtual Vector3 get_contact_collider_velocity_at_position(int p_contact_idx) const override; - - virtual real_t get_step() const override { return deltaTime; } - virtual void integrate_forces() override { - // Skip the execution of this function - } - - virtual PhysicsDirectSpaceState3D *get_space_state() override; -}; - -class RigidBodyBullet : public RigidCollisionObjectBullet { -public: - struct CollisionData { - RigidBodyBullet *otherObject = nullptr; - int other_object_shape = 0; - int local_shape = 0; - Vector3 hitLocalLocation; - Vector3 hitWorldLocation; - Vector3 hitNormal; - real_t appliedImpulse = 0.0; - }; - - struct ForceIntegrationCallback { - Callable callable; - Variant udata; - }; - - /// Used to hold shapes - struct KinematicShape { - class btConvexShape *shape = nullptr; - btTransform transform; - - KinematicShape() {} - bool is_active() const { return shape; } - }; - - struct KinematicUtilities { - RigidBodyBullet *owner = nullptr; - btScalar safe_margin; - Vector<KinematicShape> shapes; - - KinematicUtilities(RigidBodyBullet *p_owner); - ~KinematicUtilities(); - - void setSafeMargin(btScalar p_margin); - /// Used to set the default shape to ghost - void copyAllOwnerShapes(); - - private: - void just_delete_shapes(int new_size); - }; - -private: - friend class BulletPhysicsDirectBodyState3D; - - // This is required only for Kinematic movement - KinematicUtilities *kinematic_utilities = nullptr; - - PhysicsServer3D::BodyMode mode; - GodotMotionState *godotMotionState; - btRigidBody *btBody; - uint16_t locked_axis = 0; - real_t mass = 1.0; - real_t gravity_scale = 1.0; - real_t linearDamp = 0.0; - real_t angularDamp = 0.0; - bool can_sleep = true; - bool omit_forces_integration = false; - bool can_integrate_forces = false; - - Vector<CollisionData> collisions; - Vector<RigidBodyBullet *> collision_traces_1; - Vector<RigidBodyBullet *> collision_traces_2; - Vector<RigidBodyBullet *> *prev_collision_traces; - Vector<RigidBodyBullet *> *curr_collision_traces; - - // these parameters are used to avoid vector resize - int maxCollisionsDetection = 0; - int collisionsCount = 0; - int prev_collision_count = 0; - - Vector<AreaBullet *> areasWhereIam; - // these parameters are used to avoid vector resize - int maxAreasWhereIam = 10; - int areaWhereIamCount = 0; - // Used to know if the area is used as gravity point - int countGravityPointSpaces = 0; - bool isScratchedSpaceOverrideModificator = false; - - bool previousActiveState = true; // Last check state - - ForceIntegrationCallback *force_integration_callback = nullptr; - -public: - RigidBodyBullet(); - ~RigidBodyBullet(); - - void init_kinematic_utilities(); - void destroy_kinematic_utilities(); - _FORCE_INLINE_ KinematicUtilities *get_kinematic_utilities() const { return kinematic_utilities; } - - _FORCE_INLINE_ btRigidBody *get_bt_rigid_body() { return btBody; } - - virtual void main_shape_changed(); - virtual void reload_body(); - virtual void set_space(SpaceBullet *p_space); - - virtual void dispatch_callbacks(); - void set_force_integration_callback(const Callable &p_callable, const Variant &p_udata = Variant()); - void scratch_space_override_modificator(); - - virtual void on_collision_filters_change(); - virtual void on_collision_checker_start(); - virtual void on_collision_checker_end(); - - void set_max_collisions_detection(int p_maxCollisionsDetection) { - ERR_FAIL_COND(0 > p_maxCollisionsDetection); - - maxCollisionsDetection = p_maxCollisionsDetection; - - collisions.resize(p_maxCollisionsDetection); - collision_traces_1.resize(p_maxCollisionsDetection); - collision_traces_2.resize(p_maxCollisionsDetection); - - collisionsCount = 0; - prev_collision_count = MIN(prev_collision_count, p_maxCollisionsDetection); - } - int get_max_collisions_detection() { - return maxCollisionsDetection; - } - - bool can_add_collision() { return collisionsCount < maxCollisionsDetection; } - bool add_collision_object(RigidBodyBullet *p_otherObject, const Vector3 &p_hitWorldLocation, const Vector3 &p_hitLocalLocation, const Vector3 &p_hitNormal, const real_t &p_appliedImpulse, int p_other_shape_index, int p_local_shape_index); - bool was_colliding(RigidBodyBullet *p_other_object); - - void set_activation_state(bool p_active); - bool is_active() const; - - void set_omit_forces_integration(bool p_omit); - _FORCE_INLINE_ bool get_omit_forces_integration() const { return omit_forces_integration; } - - void set_param(PhysicsServer3D::BodyParameter p_param, real_t); - real_t get_param(PhysicsServer3D::BodyParameter p_param) const; - - void set_mode(PhysicsServer3D::BodyMode p_mode); - PhysicsServer3D::BodyMode get_mode() const; - - void set_state(PhysicsServer3D::BodyState p_state, const Variant &p_variant); - Variant get_state(PhysicsServer3D::BodyState p_state) const; - - void apply_central_impulse(const Vector3 &p_impulse); - void apply_impulse(const Vector3 &p_impulse, const Vector3 &p_position = Vector3()); - void apply_torque_impulse(const Vector3 &p_impulse); - - void apply_central_force(const Vector3 &p_force); - void apply_force(const Vector3 &p_force, const Vector3 &p_position = Vector3()); - void apply_torque(const Vector3 &p_torque); - - void set_applied_force(const Vector3 &p_force); - Vector3 get_applied_force() const; - void set_applied_torque(const Vector3 &p_torque); - Vector3 get_applied_torque() const; - - void set_axis_lock(PhysicsServer3D::BodyAxis p_axis, bool lock); - bool is_axis_locked(PhysicsServer3D::BodyAxis p_axis) const; - void reload_axis_lock(); - - /// Doc: - /// https://web.archive.org/web/20180404091446/https://www.bulletphysics.org/mediawiki-1.5.8/index.php/Anti_tunneling_by_Motion_Clamping - void set_continuous_collision_detection(bool p_enable); - bool is_continuous_collision_detection_enabled() const; - - void set_linear_velocity(const Vector3 &p_velocity); - Vector3 get_linear_velocity() const; - - void set_angular_velocity(const Vector3 &p_velocity); - Vector3 get_angular_velocity() const; - - virtual void set_transform__bullet(const btTransform &p_global_transform); - virtual const btTransform &get_transform__bullet() const; - - virtual void reload_shapes(); - - virtual void on_enter_area(AreaBullet *p_area); - virtual void on_exit_area(AreaBullet *p_area); - void reload_space_override_modificator(); - - /// Kinematic - void reload_kinematic_shapes(); - - virtual void notify_transform_changed(); - -private: - void _internal_set_mass(real_t p_mass); -}; - -#endif // RIGID_BODY_BULLET_H |