39f6ca96a3
Now matches the class names to be consistent between 2D and 3D and with other node types.
298 lines
11 KiB
C++
298 lines
11 KiB
C++
/*************************************************************************/
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/* physical_bone_2d.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) 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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#include "physical_bone_2d.h"
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#include "scene/2d/joint_2d.h"
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void PhysicalBone2D::_notification(int p_what) {
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switch (p_what) {
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case NOTIFICATION_INTERNAL_PHYSICS_PROCESS: {
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// Position the RigidDynamicBody in the correct position.
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if (follow_bone_when_simulating) {
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_position_at_bone2d();
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}
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// Keep the child joint in the correct position.
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if (child_joint && auto_configure_joint) {
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child_joint->set_global_position(get_global_position());
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}
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} break;
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case NOTIFICATION_READY: {
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_find_skeleton_parent();
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_find_joint_child();
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// Configure joint.
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if (child_joint && auto_configure_joint) {
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_auto_configure_joint();
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}
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// Simulate physics if set.
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if (simulate_physics) {
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_start_physics_simulation();
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} else {
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_stop_physics_simulation();
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}
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set_physics_process_internal(true);
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} break;
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}
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}
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void PhysicalBone2D::_position_at_bone2d() {
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// Reset to Bone2D position
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if (parent_skeleton) {
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Bone2D *bone_to_use = parent_skeleton->get_bone(bone2d_index);
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ERR_FAIL_COND_MSG(bone_to_use == nullptr, "It's not possible to position the bone with ID: " + itos(bone2d_index));
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set_global_transform(bone_to_use->get_global_transform());
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}
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}
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void PhysicalBone2D::_find_skeleton_parent() {
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Node *current_parent = get_parent();
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while (current_parent != nullptr) {
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Skeleton2D *potential_skeleton = Object::cast_to<Skeleton2D>(current_parent);
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if (potential_skeleton) {
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parent_skeleton = potential_skeleton;
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break;
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} else {
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PhysicalBone2D *potential_parent_bone = Object::cast_to<PhysicalBone2D>(current_parent);
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if (potential_parent_bone) {
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current_parent = potential_parent_bone->get_parent();
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} else {
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current_parent = nullptr;
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}
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}
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}
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}
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void PhysicalBone2D::_find_joint_child() {
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for (int i = 0; i < get_child_count(); i++) {
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Node *child_node = get_child(i);
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Joint2D *potential_joint = Object::cast_to<Joint2D>(child_node);
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if (potential_joint) {
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child_joint = potential_joint;
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break;
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}
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}
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}
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TypedArray<String> PhysicalBone2D::get_configuration_warnings() const {
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TypedArray<String> warnings = Node::get_configuration_warnings();
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if (!parent_skeleton) {
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warnings.push_back(TTR("A PhysicalBone2D only works with a Skeleton2D or another PhysicalBone2D as a parent node!"));
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}
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if (parent_skeleton && bone2d_index <= -1) {
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warnings.push_back(TTR("A PhysicalBone2D needs to be assigned to a Bone2D node in order to function! Please set a Bone2D node in the inspector."));
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}
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if (!child_joint) {
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PhysicalBone2D *parent_bone = Object::cast_to<PhysicalBone2D>(get_parent());
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if (parent_bone) {
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warnings.push_back(TTR("A PhysicalBone2D node should have a Joint2D-based child node to keep bones connected! Please add a Joint2D-based node as a child to this node!"));
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}
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}
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return warnings;
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}
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void PhysicalBone2D::_auto_configure_joint() {
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if (!auto_configure_joint) {
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return;
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}
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if (child_joint) {
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// Node A = parent | Node B = this node
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Node *parent_node = get_parent();
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PhysicalBone2D *potential_parent_bone = Object::cast_to<PhysicalBone2D>(parent_node);
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if (potential_parent_bone) {
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child_joint->set_node_a(child_joint->get_path_to(potential_parent_bone));
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child_joint->set_node_b(child_joint->get_path_to(this));
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} else {
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WARN_PRINT("Cannot setup joint without a parent PhysicalBone2D node.");
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}
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// Place the child joint at this node's position.
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child_joint->set_global_position(get_global_position());
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}
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}
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void PhysicalBone2D::_start_physics_simulation() {
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if (_internal_simulate_physics) {
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return;
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}
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// Reset to Bone2D position.
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_position_at_bone2d();
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// Apply the layers and masks.
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PhysicsServer2D::get_singleton()->body_set_collision_layer(get_rid(), get_collision_layer());
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PhysicsServer2D::get_singleton()->body_set_collision_mask(get_rid(), get_collision_mask());
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// Apply the correct mode.
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_apply_body_mode();
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_internal_simulate_physics = true;
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set_physics_process_internal(true);
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}
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void PhysicalBone2D::_stop_physics_simulation() {
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if (_internal_simulate_physics) {
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_internal_simulate_physics = false;
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// Reset to Bone2D position
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_position_at_bone2d();
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set_physics_process_internal(false);
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PhysicsServer2D::get_singleton()->body_set_collision_layer(get_rid(), 0);
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PhysicsServer2D::get_singleton()->body_set_collision_mask(get_rid(), 0);
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PhysicsServer2D::get_singleton()->body_set_mode(get_rid(), PhysicsServer2D::BodyMode::BODY_MODE_STATIC);
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}
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}
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Joint2D *PhysicalBone2D::get_joint() const {
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return child_joint;
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}
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bool PhysicalBone2D::get_auto_configure_joint() const {
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return auto_configure_joint;
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}
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void PhysicalBone2D::set_auto_configure_joint(bool p_auto_configure) {
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auto_configure_joint = p_auto_configure;
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_auto_configure_joint();
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}
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void PhysicalBone2D::set_simulate_physics(bool p_simulate) {
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if (p_simulate == simulate_physics) {
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return;
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}
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simulate_physics = p_simulate;
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if (simulate_physics) {
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_start_physics_simulation();
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} else {
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_stop_physics_simulation();
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}
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}
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bool PhysicalBone2D::get_simulate_physics() const {
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return simulate_physics;
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}
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bool PhysicalBone2D::is_simulating_physics() const {
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return _internal_simulate_physics;
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}
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void PhysicalBone2D::set_bone2d_nodepath(const NodePath &p_nodepath) {
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bone2d_nodepath = p_nodepath;
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notify_property_list_changed();
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}
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NodePath PhysicalBone2D::get_bone2d_nodepath() const {
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return bone2d_nodepath;
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}
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void PhysicalBone2D::set_bone2d_index(int p_bone_idx) {
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ERR_FAIL_COND_MSG(p_bone_idx < 0, "Bone index is out of range: The index is too low!");
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if (!is_inside_tree()) {
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bone2d_index = p_bone_idx;
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return;
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}
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if (parent_skeleton) {
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ERR_FAIL_INDEX_MSG(p_bone_idx, parent_skeleton->get_bone_count(), "Passed-in Bone index is out of range!");
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bone2d_index = p_bone_idx;
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bone2d_nodepath = get_path_to(parent_skeleton->get_bone(bone2d_index));
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} else {
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WARN_PRINT("Cannot verify bone index...");
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bone2d_index = p_bone_idx;
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}
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notify_property_list_changed();
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}
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int PhysicalBone2D::get_bone2d_index() const {
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return bone2d_index;
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}
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void PhysicalBone2D::set_follow_bone_when_simulating(bool p_follow_bone) {
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follow_bone_when_simulating = p_follow_bone;
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if (_internal_simulate_physics) {
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_stop_physics_simulation();
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_start_physics_simulation();
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}
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}
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bool PhysicalBone2D::get_follow_bone_when_simulating() const {
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return follow_bone_when_simulating;
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}
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void PhysicalBone2D::_bind_methods() {
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ClassDB::bind_method(D_METHOD("get_joint"), &PhysicalBone2D::get_joint);
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ClassDB::bind_method(D_METHOD("get_auto_configure_joint"), &PhysicalBone2D::get_auto_configure_joint);
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ClassDB::bind_method(D_METHOD("set_auto_configure_joint", "auto_configure_joint"), &PhysicalBone2D::set_auto_configure_joint);
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ClassDB::bind_method(D_METHOD("set_simulate_physics", "simulate_physics"), &PhysicalBone2D::set_simulate_physics);
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ClassDB::bind_method(D_METHOD("get_simulate_physics"), &PhysicalBone2D::get_simulate_physics);
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ClassDB::bind_method(D_METHOD("is_simulating_physics"), &PhysicalBone2D::is_simulating_physics);
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ClassDB::bind_method(D_METHOD("set_bone2d_nodepath", "nodepath"), &PhysicalBone2D::set_bone2d_nodepath);
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ClassDB::bind_method(D_METHOD("get_bone2d_nodepath"), &PhysicalBone2D::get_bone2d_nodepath);
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ClassDB::bind_method(D_METHOD("set_bone2d_index", "bone_index"), &PhysicalBone2D::set_bone2d_index);
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ClassDB::bind_method(D_METHOD("get_bone2d_index"), &PhysicalBone2D::get_bone2d_index);
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ClassDB::bind_method(D_METHOD("set_follow_bone_when_simulating", "follow_bone"), &PhysicalBone2D::set_follow_bone_when_simulating);
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ClassDB::bind_method(D_METHOD("get_follow_bone_when_simulating"), &PhysicalBone2D::get_follow_bone_when_simulating);
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ADD_PROPERTY(PropertyInfo(Variant::NODE_PATH, "bone2d_nodepath", PROPERTY_HINT_NODE_PATH_VALID_TYPES, "Bone2D"), "set_bone2d_nodepath", "get_bone2d_nodepath");
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ADD_PROPERTY(PropertyInfo(Variant::INT, "bone2d_index", PROPERTY_HINT_RANGE, "-1, 1000, 1"), "set_bone2d_index", "get_bone2d_index");
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ADD_PROPERTY(PropertyInfo(Variant::BOOL, "auto_configure_joint"), "set_auto_configure_joint", "get_auto_configure_joint");
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ADD_PROPERTY(PropertyInfo(Variant::BOOL, "simulate_physics"), "set_simulate_physics", "get_simulate_physics");
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ADD_PROPERTY(PropertyInfo(Variant::BOOL, "follow_bone_when_simulating"), "set_follow_bone_when_simulating", "get_follow_bone_when_simulating");
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}
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PhysicalBone2D::PhysicalBone2D() {
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// Stop the RigidDynamicBody from executing its force integration.
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PhysicsServer2D::get_singleton()->body_set_collision_layer(get_rid(), 0);
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PhysicsServer2D::get_singleton()->body_set_collision_mask(get_rid(), 0);
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PhysicsServer2D::get_singleton()->body_set_mode(get_rid(), PhysicsServer2D::BodyMode::BODY_MODE_STATIC);
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child_joint = nullptr;
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}
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PhysicalBone2D::~PhysicalBone2D() {
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}
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