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