jolt_shaped_object_3d.h

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/*  jolt_shaped_object_3d.h                                               */
/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
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#pragma once

#include "jolt_object_3d.h"

#include "core/templates/self_list.h"

#include "Jolt/Jolt.h"

#include "Jolt/Physics/Body/Body.h"
#include "Jolt/Physics/Body/BodyCreationSettings.h"

class JoltShapedObject3D : public JoltObject3D {
	friend class JoltShape3D;

protected:
	SelfList<JoltShapedObject3D> shapes_changed_element;
	SelfList<JoltShapedObject3D> needs_optimization_element;

	Vector3 scale = Vector3(1, 1, 1);

	JPH::ShapeRefC jolt_shape;
	JPH::ShapeRefC previous_jolt_shape;

	JPH::BodyCreationSettings *jolt_settings = new JPH::BodyCreationSettings();

	virtual JPH::EMotionType _get_motion_type() const = 0;

	bool _is_big() const;

	JPH::ShapeRefC _try_build_shape(bool p_optimize_compound);
	JPH::ShapeRefC _try_build_single_shape();
	JPH::ShapeRefC _try_build_compound_shape(bool p_optimize);

	void _enqueue_shapes_changed();
	void _dequeue_shapes_changed();

	void _enqueue_needs_optimization();
	void _dequeue_needs_optimization();

	virtual void _shapes_changed();
	virtual void _shapes_committed();
	virtual void _space_changing() override;

public:
	explicit JoltShapedObject3D(ObjectType p_object_type);
	virtual ~JoltShapedObject3D() override;

	Transform3D get_transform_unscaled() const;
	Transform3D get_transform_scaled() const;

	Vector3 get_scale() const { return scale; }
	Basis get_basis() const;
	Vector3 get_position() const;

	Vector3 get_center_of_mass() const;
	Vector3 get_center_of_mass_relative() const;
	Vector3 get_center_of_mass_local() const;

	Vector3 get_linear_velocity() const;
	Vector3 get_angular_velocity() const;

	AABB get_aabb() const;

	virtual bool has_custom_center_of_mass() const = 0;
	virtual Vector3 get_center_of_mass_custom() const = 0;

	JPH::ShapeRefC build_shapes(bool p_optimize_compound);

	void commit_shapes(bool p_optimize_compound);

	const JPH::Shape *get_jolt_shape() const { return jolt_shape; }
	const JPH::Shape *get_previous_jolt_shape() const { return previous_jolt_shape; }

	void add_shape(JoltShape3D *p_shape, Transform3D p_transform, bool p_disabled);
	void remove_shape(const JoltShape3D *p_shape);
	void remove_shape(int p_index);

	JoltShape3D *get_shape(int p_index) const;
	void set_shape(int p_index, JoltShape3D *p_shape);

	void clear_shapes();
	void clear_previous_shape();

	int get_shape_count() const { return shapes.size(); }

	int find_shape_index(uint32_t p_shape_instance_id) const;
	int find_shape_index(const JPH::SubShapeID &p_sub_shape_id) const;

	JoltShape3D *find_shape(uint32_t p_shape_instance_id) const;
	JoltShape3D *find_shape(const JPH::SubShapeID &p_sub_shape_id) const;

	Transform3D get_shape_transform_unscaled(int p_index) const;
	Transform3D get_shape_transform_scaled(int p_index) const;
	void set_shape_transform(int p_index, Transform3D p_transform);

	Vector3 get_shape_scale(int p_index) const;

	bool is_shape_disabled(int p_index) const;
	void set_shape_disabled(int p_index, bool p_disabled);
};