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225 lines
8.6 KiB
C++
225 lines
8.6 KiB
C++
/**************************************************************************/
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/* collision_shape_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 "collision_shape_3d.h"
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#include "mesh_instance_3d.h"
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#include "physics_body_3d.h"
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#include "scene/resources/concave_polygon_shape_3d.h"
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#include "scene/resources/convex_polygon_shape_3d.h"
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#include "scene/resources/world_boundary_shape_3d.h"
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#include "vehicle_body_3d.h"
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void CollisionShape3D::make_convex_from_siblings() {
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Node *p = get_parent();
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if (!p) {
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return;
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}
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Vector<Vector3> vertices;
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for (int i = 0; i < p->get_child_count(); i++) {
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Node *n = p->get_child(i);
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MeshInstance3D *mi = Object::cast_to<MeshInstance3D>(n);
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if (mi) {
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Ref<Mesh> m = mi->get_mesh();
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if (m.is_valid()) {
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for (int j = 0; j < m->get_surface_count(); j++) {
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Array a = m->surface_get_arrays(j);
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if (!a.is_empty()) {
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Vector<Vector3> v = a[RenderingServer::ARRAY_VERTEX];
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for (int k = 0; k < v.size(); k++) {
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vertices.append(mi->get_transform().xform(v[k]));
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}
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}
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}
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}
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}
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}
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Ref<ConvexPolygonShape3D> shape_new = memnew(ConvexPolygonShape3D);
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shape_new->set_points(vertices);
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set_shape(shape_new);
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}
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void CollisionShape3D::_update_in_shape_owner(bool p_xform_only) {
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collision_object->shape_owner_set_transform(owner_id, get_transform());
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if (p_xform_only) {
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return;
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}
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collision_object->shape_owner_set_disabled(owner_id, disabled);
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}
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void CollisionShape3D::_notification(int p_what) {
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switch (p_what) {
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case NOTIFICATION_PARENTED: {
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collision_object = Object::cast_to<CollisionObject3D>(get_parent());
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if (collision_object) {
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owner_id = collision_object->create_shape_owner(this);
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if (shape.is_valid()) {
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collision_object->shape_owner_add_shape(owner_id, shape);
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}
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_update_in_shape_owner();
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}
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} break;
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case NOTIFICATION_ENTER_TREE: {
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if (collision_object) {
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_update_in_shape_owner();
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}
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} break;
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case NOTIFICATION_LOCAL_TRANSFORM_CHANGED: {
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if (collision_object) {
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_update_in_shape_owner(true);
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}
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update_configuration_warnings();
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} break;
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case NOTIFICATION_UNPARENTED: {
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if (collision_object) {
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collision_object->remove_shape_owner(owner_id);
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}
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owner_id = 0;
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collision_object = nullptr;
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} break;
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}
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}
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#ifndef DISABLE_DEPRECATED
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void CollisionShape3D::resource_changed(Ref<Resource> res) {
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}
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#endif
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PackedStringArray CollisionShape3D::get_configuration_warnings() const {
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PackedStringArray warnings = Node::get_configuration_warnings();
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CollisionObject3D *col_object = Object::cast_to<CollisionObject3D>(get_parent());
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if (col_object == nullptr) {
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warnings.push_back(RTR("CollisionShape3D only serves to provide a collision shape to a CollisionObject3D derived node.\nPlease only use it as a child of Area3D, StaticBody3D, RigidBody3D, CharacterBody3D, etc. to give them a shape."));
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}
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if (!shape.is_valid()) {
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warnings.push_back(RTR("A shape must be provided for CollisionShape3D to function. Please create a shape resource for it."));
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}
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if (shape.is_valid() && Object::cast_to<RigidBody3D>(col_object)) {
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String body_type = "RigidBody3D";
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if (Object::cast_to<VehicleBody3D>(col_object)) {
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body_type = "VehicleBody3D";
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}
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if (Object::cast_to<ConcavePolygonShape3D>(*shape)) {
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warnings.push_back(vformat(RTR("When used for collision, ConcavePolygonShape3D is intended to work with static CollisionObject3D nodes like StaticBody3D.\nIt will likely not behave well for %ss (except when frozen and freeze_mode set to FREEZE_MODE_STATIC)."), body_type));
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} else if (Object::cast_to<WorldBoundaryShape3D>(*shape)) {
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warnings.push_back(RTR("WorldBoundaryShape3D doesn't support RigidBody3D in another mode than static."));
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}
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}
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if (shape.is_valid() && Object::cast_to<CharacterBody3D>(col_object)) {
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if (Object::cast_to<ConcavePolygonShape3D>(*shape)) {
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warnings.push_back(RTR("When used for collision, ConcavePolygonShape3D is intended to work with static CollisionObject3D nodes like StaticBody3D.\nIt will likely not behave well for CharacterBody3Ds."));
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}
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}
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Vector3 scale = get_transform().get_basis().get_scale();
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if (!(Math::is_zero_approx(scale.x - scale.y) && Math::is_zero_approx(scale.y - scale.z))) {
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warnings.push_back(RTR("A non-uniformly scaled CollisionShape3D node will probably not function as expected.\nPlease make its scale uniform (i.e. the same on all axes), and change the size of its shape resource instead."));
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}
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return warnings;
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}
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void CollisionShape3D::_bind_methods() {
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#ifndef DISABLE_DEPRECATED
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ClassDB::bind_method(D_METHOD("resource_changed", "resource"), &CollisionShape3D::resource_changed);
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#endif
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ClassDB::bind_method(D_METHOD("set_shape", "shape"), &CollisionShape3D::set_shape);
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ClassDB::bind_method(D_METHOD("get_shape"), &CollisionShape3D::get_shape);
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ClassDB::bind_method(D_METHOD("set_disabled", "enable"), &CollisionShape3D::set_disabled);
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ClassDB::bind_method(D_METHOD("is_disabled"), &CollisionShape3D::is_disabled);
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ClassDB::bind_method(D_METHOD("make_convex_from_siblings"), &CollisionShape3D::make_convex_from_siblings);
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ClassDB::set_method_flags("CollisionShape3D", "make_convex_from_siblings", METHOD_FLAGS_DEFAULT | METHOD_FLAG_EDITOR);
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ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "shape", PROPERTY_HINT_RESOURCE_TYPE, "Shape3D"), "set_shape", "get_shape");
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ADD_PROPERTY(PropertyInfo(Variant::BOOL, "disabled"), "set_disabled", "is_disabled");
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}
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void CollisionShape3D::set_shape(const Ref<Shape3D> &p_shape) {
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if (p_shape == shape) {
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return;
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}
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if (shape.is_valid()) {
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shape->disconnect_changed(callable_mp((Node3D *)this, &Node3D::update_gizmos));
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}
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shape = p_shape;
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if (shape.is_valid()) {
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shape->connect_changed(callable_mp((Node3D *)this, &Node3D::update_gizmos));
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}
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update_gizmos();
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if (collision_object) {
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collision_object->shape_owner_clear_shapes(owner_id);
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if (shape.is_valid()) {
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collision_object->shape_owner_add_shape(owner_id, shape);
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}
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}
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if (is_inside_tree() && collision_object) {
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// If this is a heightfield shape our center may have changed
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_update_in_shape_owner(true);
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}
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update_configuration_warnings();
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}
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Ref<Shape3D> CollisionShape3D::get_shape() const {
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return shape;
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}
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void CollisionShape3D::set_disabled(bool p_disabled) {
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disabled = p_disabled;
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update_gizmos();
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if (collision_object) {
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collision_object->shape_owner_set_disabled(owner_id, p_disabled);
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}
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}
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bool CollisionShape3D::is_disabled() const {
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return disabled;
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}
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CollisionShape3D::CollisionShape3D() {
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//indicator = RenderingServer::get_singleton()->mesh_create();
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set_notify_local_transform(true);
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}
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CollisionShape3D::~CollisionShape3D() {
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//RenderingServer::get_singleton()->free(indicator);
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}
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