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-/*************************************************************************/
-/* collision_object_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 COLLISION_OBJECT_BULLET_H
-#define COLLISION_OBJECT_BULLET_H
-
-#include "core/math/transform_3d.h"
-#include "core/math/vector3.h"
-#include "core/object/class_db.h"
-#include "core/templates/vset.h"
-#include "shape_owner_bullet.h"
-
-#include <LinearMath/btTransform.h>
-
-class AreaBullet;
-class ShapeBullet;
-class btCollisionObject;
-class btCompoundShape;
-class btCollisionShape;
-class SpaceBullet;
-
-class CollisionObjectBullet : public RIDBullet {
-public:
- enum GodotObjectFlags {
- GOF_IS_MONITORING_AREA = 1 << 0
- // FLAG2 = 1 << 1,
- // FLAG3 = 1 << 2,
- // FLAG4 = 1 << 3,
- // FLAG5 = 1 << 4,
- // FLAG6 = 1 << 5
- // etc..
- };
- enum Type {
- TYPE_AREA = 0,
- TYPE_RIGID_BODY,
- TYPE_SOFT_BODY,
- TYPE_KINEMATIC_GHOST_BODY
- };
-
- struct ShapeWrapper {
- ShapeBullet *shape = nullptr;
- btCollisionShape *bt_shape = nullptr;
- btTransform transform;
- btVector3 scale;
- bool active = true;
-
- ShapeWrapper() {}
-
- ShapeWrapper(ShapeBullet *p_shape, const btTransform &p_transform, bool p_active) :
- shape(p_shape),
- active(p_active) {
- set_transform(p_transform);
- }
-
- ShapeWrapper(ShapeBullet *p_shape, const Transform3D &p_transform, bool p_active) :
- shape(p_shape),
- active(p_active) {
- set_transform(p_transform);
- }
- ~ShapeWrapper();
-
- ShapeWrapper(const ShapeWrapper &otherShape) {
- operator=(otherShape);
- }
-
- void operator=(const ShapeWrapper &otherShape) {
- shape = otherShape.shape;
- bt_shape = otherShape.bt_shape;
- transform = otherShape.transform;
- scale = otherShape.scale;
- active = otherShape.active;
- }
-
- void set_transform(const Transform3D &p_transform);
- void set_transform(const btTransform &p_transform);
- btTransform get_adjusted_transform() const;
-
- void claim_bt_shape(const btVector3 &body_scale);
- };
-
-protected:
- Type type = TYPE_AREA;
- ObjectID instance_id;
- uint32_t collisionLayer = 0;
- uint32_t collisionMask = 0;
- bool collisionsEnabled = true;
- bool m_isStatic = false;
- bool ray_pickable = false;
- btCollisionObject *bt_collision_object = nullptr;
- Vector3 body_scale = Vector3(1, 1, 1);
- bool force_shape_reset = false;
- SpaceBullet *space = nullptr;
-
- VSet<RID> exceptions;
-
- /// This array is used to know all areas where this Object is overlapped in
- /// New area is added when overlap with new area (AreaBullet::addOverlap), then is removed when it exit (CollisionObjectBullet::onExitArea)
- /// This array is used mainly to know which area hold the pointer of this object
- Vector<AreaBullet *> areasOverlapped;
- bool updated = false;
-
-public:
- CollisionObjectBullet(Type p_type);
- virtual ~CollisionObjectBullet();
-
- Type getType() { return type; }
-
-protected:
- void destroyBulletCollisionObject();
- void setupBulletCollisionObject(btCollisionObject *p_collisionObject);
-
-public:
- _FORCE_INLINE_ btCollisionObject *get_bt_collision_object() { return bt_collision_object; }
-
- _FORCE_INLINE_ void set_instance_id(const ObjectID &p_instance_id) { instance_id = p_instance_id; }
- _FORCE_INLINE_ ObjectID get_instance_id() const { return instance_id; }
-
- _FORCE_INLINE_ bool is_static() const { return m_isStatic; }
-
- _FORCE_INLINE_ void set_ray_pickable(bool p_enable) { ray_pickable = p_enable; }
- _FORCE_INLINE_ bool is_ray_pickable() const { return ray_pickable; }
-
- void set_body_scale(const Vector3 &p_new_scale);
- const Vector3 &get_body_scale() const { return body_scale; }
- btVector3 get_bt_body_scale() const;
- virtual void body_scale_changed();
-
- void add_collision_exception(const CollisionObjectBullet *p_ignoreCollisionObject);
- void remove_collision_exception(const CollisionObjectBullet *p_ignoreCollisionObject);
- bool has_collision_exception(const CollisionObjectBullet *p_otherCollisionObject) const;
- _FORCE_INLINE_ const VSet<RID> &get_exceptions() const { return exceptions; }
-
- _FORCE_INLINE_ void set_collision_layer(uint32_t p_layer) {
- if (collisionLayer != p_layer) {
- collisionLayer = p_layer;
- on_collision_filters_change();
- }
- }
- _FORCE_INLINE_ uint32_t get_collision_layer() const { return collisionLayer; }
-
- _FORCE_INLINE_ void set_collision_mask(uint32_t p_mask) {
- if (collisionMask != p_mask) {
- collisionMask = p_mask;
- on_collision_filters_change();
- }
- }
- _FORCE_INLINE_ uint32_t get_collision_mask() const { return collisionMask; }
-
- virtual void on_collision_filters_change() = 0;
-
- _FORCE_INLINE_ bool test_collision_mask(CollisionObjectBullet *p_other) const {
- return collisionLayer & p_other->collisionMask || p_other->collisionLayer & collisionMask;
- }
-
- virtual void reload_body() = 0;
- virtual void set_space(SpaceBullet *p_space) = 0;
- _FORCE_INLINE_ SpaceBullet *get_space() const { return space; }
-
- virtual void on_collision_checker_start() = 0;
- virtual void on_collision_checker_end() = 0;
-
- virtual void dispatch_callbacks() = 0;
-
- void set_collision_enabled(bool p_enabled);
- bool is_collisions_response_enabled();
-
- void notify_new_overlap(AreaBullet *p_area);
- virtual void on_enter_area(AreaBullet *p_area) = 0;
- virtual void on_exit_area(AreaBullet *p_area);
-
- void set_godot_object_flags(int flags);
- int get_godot_object_flags() const;
-
- void set_transform(const Transform3D &p_global_transform);
- Transform3D get_transform() const;
- virtual void set_transform__bullet(const btTransform &p_global_transform);
- virtual const btTransform &get_transform__bullet() const;
- virtual void notify_transform_changed();
-
- bool is_updated() const { return updated; }
-};
-
-class RigidCollisionObjectBullet : public CollisionObjectBullet, public ShapeOwnerBullet {
-protected:
- btCollisionShape *mainShape = nullptr;
- Vector<ShapeWrapper> shapes;
-
-public:
- RigidCollisionObjectBullet(Type p_type) :
- CollisionObjectBullet(p_type) {}
- ~RigidCollisionObjectBullet();
-
- _FORCE_INLINE_ const Vector<ShapeWrapper> &get_shapes_wrappers() const { return shapes; }
-
- _FORCE_INLINE_ btCollisionShape *get_main_shape() const { return mainShape; }
-
- void add_shape(ShapeBullet *p_shape, const Transform3D &p_transform = Transform3D(), bool p_disabled = false);
- void set_shape(int p_index, ShapeBullet *p_shape);
-
- int get_shape_count() const;
- ShapeBullet *get_shape(int p_index) const;
- btCollisionShape *get_bt_shape(int p_index) const;
-
- int find_shape(ShapeBullet *p_shape) const;
-
- virtual void remove_shape_full(ShapeBullet *p_shape);
- void remove_shape_full(int p_index);
- void remove_all_shapes(bool p_permanentlyFromThisBody = false, bool p_force_not_reload = false);
-
- void set_shape_transform(int p_index, const Transform3D &p_transform);
-
- const btTransform &get_bt_shape_transform(int p_index) const;
- Transform3D get_shape_transform(int p_index) const;
-
- void set_shape_disabled(int p_index, bool p_disabled);
- bool is_shape_disabled(int p_index);
-
- virtual void shape_changed(int p_shape_index);
- virtual void reload_shapes();
-
- virtual void main_shape_changed() = 0;
- virtual void body_scale_changed();
-
-private:
- void internal_shape_destroy(int p_index, bool p_permanentlyFromThisBody = false);
-};
-
-#endif // COLLISION_OBJECT_BULLET_H
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