/**************************************************************************/ /* joint_3d.cpp */ /**************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* https://godotengine.org */ /**************************************************************************/ /* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */ /* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */ /* */ /* 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. */ /**************************************************************************/ #include "joint_3d.h" #include "scene/scene_string_names.h" void Joint3D::_disconnect_signals() { Node *node_a = get_node_or_null(a); PhysicsBody3D *body_a = Object::cast_to(node_a); if (body_a) { body_a->disconnect(SceneStringNames::get_singleton()->tree_exiting, callable_mp(this, &Joint3D::_body_exit_tree)); } Node *node_b = get_node_or_null(b); PhysicsBody3D *body_b = Object::cast_to(node_b); if (body_b) { body_b->disconnect(SceneStringNames::get_singleton()->tree_exiting, callable_mp(this, &Joint3D::_body_exit_tree)); } } void Joint3D::_body_exit_tree() { _disconnect_signals(); _update_joint(true); update_configuration_warnings(); } void Joint3D::_update_joint(bool p_only_free) { if (ba.is_valid() && bb.is_valid()) { PhysicsServer3D::get_singleton()->body_remove_collision_exception(ba, bb); PhysicsServer3D::get_singleton()->body_remove_collision_exception(bb, ba); } ba = RID(); bb = RID(); configured = false; if (p_only_free || !is_inside_tree()) { PhysicsServer3D::get_singleton()->joint_clear(joint); warning = String(); return; } Node *node_a = get_node_or_null(a); Node *node_b = get_node_or_null(b); PhysicsBody3D *body_a = Object::cast_to(node_a); PhysicsBody3D *body_b = Object::cast_to(node_b); if (node_a && !body_a && node_b && !body_b) { warning = RTR("Node A and Node B must be PhysicsBody3Ds"); } else if (node_a && !body_a) { warning = RTR("Node A must be a PhysicsBody3D"); } else if (node_b && !body_b) { warning = RTR("Node B must be a PhysicsBody3D"); } else if (!body_a && !body_b) { warning = RTR("Joint is not connected to any PhysicsBody3Ds"); } else if (body_a == body_b) { warning = RTR("Node A and Node B must be different PhysicsBody3Ds"); } else { warning = String(); } update_configuration_warnings(); if (!warning.is_empty()) { PhysicsServer3D::get_singleton()->joint_clear(joint); return; } configured = true; if (body_a) { _configure_joint(joint, body_a, body_b); } else if (body_b) { _configure_joint(joint, body_b, nullptr); } PhysicsServer3D::get_singleton()->joint_set_solver_priority(joint, solver_priority); if (body_a) { ba = body_a->get_rid(); body_a->connect(SceneStringNames::get_singleton()->tree_exiting, callable_mp(this, &Joint3D::_body_exit_tree)); } if (body_b) { bb = body_b->get_rid(); body_b->connect(SceneStringNames::get_singleton()->tree_exiting, callable_mp(this, &Joint3D::_body_exit_tree)); } PhysicsServer3D::get_singleton()->joint_disable_collisions_between_bodies(joint, exclude_from_collision); } void Joint3D::set_node_a(const NodePath &p_node_a) { if (a == p_node_a) { return; } if (is_configured()) { _disconnect_signals(); } a = p_node_a; _update_joint(); } NodePath Joint3D::get_node_a() const { return a; } void Joint3D::set_node_b(const NodePath &p_node_b) { if (b == p_node_b) { return; } if (is_configured()) { _disconnect_signals(); } b = p_node_b; _update_joint(); } NodePath Joint3D::get_node_b() const { return b; } void Joint3D::set_solver_priority(int p_priority) { solver_priority = p_priority; if (joint.is_valid()) { PhysicsServer3D::get_singleton()->joint_set_solver_priority(joint, solver_priority); } } int Joint3D::get_solver_priority() const { return solver_priority; } void Joint3D::_notification(int p_what) { switch (p_what) { case NOTIFICATION_POST_ENTER_TREE: { if (is_configured()) { _disconnect_signals(); } _update_joint(); } break; case NOTIFICATION_EXIT_TREE: { if (is_configured()) { _disconnect_signals(); } _update_joint(true); } break; } } void Joint3D::set_exclude_nodes_from_collision(bool p_enable) { if (exclude_from_collision == p_enable) { return; } if (is_configured()) { _disconnect_signals(); } _update_joint(true); exclude_from_collision = p_enable; _update_joint(); } bool Joint3D::get_exclude_nodes_from_collision() const { return exclude_from_collision; } PackedStringArray Joint3D::get_configuration_warnings() const { PackedStringArray warnings = Node3D::get_configuration_warnings(); if (!warning.is_empty()) { warnings.push_back(warning); } return warnings; } void Joint3D::_bind_methods() { ClassDB::bind_method(D_METHOD("set_node_a", "node"), &Joint3D::set_node_a); ClassDB::bind_method(D_METHOD("get_node_a"), &Joint3D::get_node_a); ClassDB::bind_method(D_METHOD("set_node_b", "node"), &Joint3D::set_node_b); ClassDB::bind_method(D_METHOD("get_node_b"), &Joint3D::get_node_b); ClassDB::bind_method(D_METHOD("set_solver_priority", "priority"), &Joint3D::set_solver_priority); ClassDB::bind_method(D_METHOD("get_solver_priority"), &Joint3D::get_solver_priority); ClassDB::bind_method(D_METHOD("set_exclude_nodes_from_collision", "enable"), &Joint3D::set_exclude_nodes_from_collision); ClassDB::bind_method(D_METHOD("get_exclude_nodes_from_collision"), &Joint3D::get_exclude_nodes_from_collision); ClassDB::bind_method(D_METHOD("get_rid"), &Joint3D::get_rid); ADD_PROPERTY(PropertyInfo(Variant::NODE_PATH, "node_a", PROPERTY_HINT_NODE_PATH_VALID_TYPES, "PhysicsBody3D"), "set_node_a", "get_node_a"); ADD_PROPERTY(PropertyInfo(Variant::NODE_PATH, "node_b", PROPERTY_HINT_NODE_PATH_VALID_TYPES, "PhysicsBody3D"), "set_node_b", "get_node_b"); ADD_PROPERTY(PropertyInfo(Variant::INT, "solver_priority", PROPERTY_HINT_RANGE, "1,8,1"), "set_solver_priority", "get_solver_priority"); ADD_PROPERTY(PropertyInfo(Variant::BOOL, "exclude_nodes_from_collision"), "set_exclude_nodes_from_collision", "get_exclude_nodes_from_collision"); } Joint3D::Joint3D() { set_notify_transform(true); joint = PhysicsServer3D::get_singleton()->joint_create(); } Joint3D::~Joint3D() { ERR_FAIL_NULL(PhysicsServer3D::get_singleton()); PhysicsServer3D::get_singleton()->free(joint); }