2dc5ff0caa
When one of the bodies exited the tree, the corresponding node path was reset instead of just resetting the joint from the physics server. That was causing the node path to be reset on scene switch when one of the bodies is under the joint in the scene tree.
152 lines
4.7 KiB
C++
152 lines
4.7 KiB
C++
/*************************************************************************/
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/* joints_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) 2007-2021 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2021 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 JOINTS_2D_H
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#define JOINTS_2D_H
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#include "node_2d.h"
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class PhysicsBody2D;
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class Joint2D : public Node2D {
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GDCLASS(Joint2D, Node2D);
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RID joint;
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RID ba, bb;
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NodePath a;
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NodePath b;
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real_t bias = 0.0;
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bool exclude_from_collision = true;
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bool configured = false;
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String warning;
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protected:
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void _disconnect_signals();
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void _body_exit_tree();
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void _update_joint(bool p_only_free = false);
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void _notification(int p_what);
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virtual void _configure_joint(RID p_joint, PhysicsBody2D *body_a, PhysicsBody2D *body_b) = 0;
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static void _bind_methods();
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_FORCE_INLINE_ bool is_configured() const { return configured; }
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public:
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virtual String get_configuration_warning() const override;
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void set_node_a(const NodePath &p_node_a);
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NodePath get_node_a() const;
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void set_node_b(const NodePath &p_node_b);
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NodePath get_node_b() const;
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void set_bias(real_t p_bias);
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real_t get_bias() const;
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void set_exclude_nodes_from_collision(bool p_enable);
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bool get_exclude_nodes_from_collision() const;
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RID get_joint() const { return joint; }
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Joint2D();
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~Joint2D();
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};
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class PinJoint2D : public Joint2D {
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GDCLASS(PinJoint2D, Joint2D);
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real_t softness = 0.0;
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protected:
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void _notification(int p_what);
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virtual void _configure_joint(RID p_joint, PhysicsBody2D *body_a, PhysicsBody2D *body_b) override;
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static void _bind_methods();
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public:
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void set_softness(real_t p_softness);
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real_t get_softness() const;
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PinJoint2D();
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};
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class GrooveJoint2D : public Joint2D {
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GDCLASS(GrooveJoint2D, Joint2D);
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real_t length = 50.0;
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real_t initial_offset = 25.0;
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protected:
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void _notification(int p_what);
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virtual void _configure_joint(RID p_joint, PhysicsBody2D *body_a, PhysicsBody2D *body_b) override;
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static void _bind_methods();
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public:
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void set_length(real_t p_length);
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real_t get_length() const;
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void set_initial_offset(real_t p_initial_offset);
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real_t get_initial_offset() const;
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GrooveJoint2D();
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};
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class DampedSpringJoint2D : public Joint2D {
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GDCLASS(DampedSpringJoint2D, Joint2D);
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real_t stiffness = 20.0;
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real_t damping = 1.0;
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real_t rest_length = 0.0;
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real_t length = 50.0;
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protected:
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void _notification(int p_what);
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virtual void _configure_joint(RID p_joint, PhysicsBody2D *body_a, PhysicsBody2D *body_b) override;
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static void _bind_methods();
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public:
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void set_length(real_t p_length);
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real_t get_length() const;
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void set_rest_length(real_t p_rest_length);
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real_t get_rest_length() const;
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void set_damping(real_t p_damping);
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real_t get_damping() const;
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void set_stiffness(real_t p_stiffness);
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real_t get_stiffness() const;
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DampedSpringJoint2D();
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};
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#endif // JOINTS_2D_H
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