godot/scene/3d/collision_shape.cpp
Pedro J. Estébanez aefedb73fc Update collision shapes data on tree entered
This is needed because the final startup values for shapes may change between parenting and entering the scene tree. For instance, if the collision shape belongs to a inherited scene.

Fixes #13835.
2018-01-11 21:08:58 +01:00

218 lines
6.8 KiB
C++

/*************************************************************************/
/* collision_shape.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2018 Godot Engine contributors (cf. AUTHORS.md) */
/* */
/* 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 "collision_shape.h"
#include "scene/resources/box_shape.h"
#include "scene/resources/capsule_shape.h"
#include "scene/resources/concave_polygon_shape.h"
#include "scene/resources/convex_polygon_shape.h"
#include "scene/resources/plane_shape.h"
#include "scene/resources/ray_shape.h"
#include "scene/resources/sphere_shape.h"
#include "servers/visual_server.h"
//TODO: Implement CylinderShape and HeightMapShape?
#include "mesh_instance.h"
#include "physics_body.h"
#include "quick_hull.h"
void CollisionShape::make_convex_from_brothers() {
Node *p = get_parent();
if (!p)
return;
for (int i = 0; i < p->get_child_count(); i++) {
Node *n = p->get_child(i);
MeshInstance *mi = Object::cast_to<MeshInstance>(n);
if (mi) {
Ref<Mesh> m = mi->get_mesh();
if (m.is_valid()) {
Ref<Shape> s = m->create_convex_shape();
set_shape(s);
}
}
}
}
void CollisionShape::_update_in_shape_owner(bool p_xform_only) {
parent->shape_owner_set_transform(owner_id, get_transform());
if (p_xform_only)
return;
parent->shape_owner_set_disabled(owner_id, disabled);
}
void CollisionShape::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_PARENTED: {
parent = Object::cast_to<CollisionObject>(get_parent());
if (parent) {
owner_id = parent->create_shape_owner(this);
if (shape.is_valid()) {
parent->shape_owner_add_shape(owner_id, shape);
}
_update_in_shape_owner();
}
} break;
case NOTIFICATION_ENTER_TREE: {
if (parent) {
_update_in_shape_owner();
}
if (get_tree()->is_debugging_collisions_hint()) {
_create_debug_shape();
}
} break;
case NOTIFICATION_LOCAL_TRANSFORM_CHANGED: {
if (parent) {
_update_in_shape_owner(true);
}
} break;
case NOTIFICATION_UNPARENTED: {
if (parent) {
parent->remove_shape_owner(owner_id);
}
owner_id = 0;
parent = NULL;
} break;
}
}
void CollisionShape::resource_changed(RES res) {
update_gizmo();
}
String CollisionShape::get_configuration_warning() const {
if (!Object::cast_to<CollisionObject>(get_parent())) {
return TTR("CollisionShape only serves to provide a collision shape to a CollisionObject derived node. Please only use it as a child of Area, StaticBody, RigidBody, KinematicBody, etc. to give them a shape.");
}
if (!shape.is_valid()) {
return TTR("A shape must be provided for CollisionShape to function. Please create a shape resource for it!");
}
return String();
}
void CollisionShape::_bind_methods() {
//not sure if this should do anything
ClassDB::bind_method(D_METHOD("resource_changed", "resource"), &CollisionShape::resource_changed);
ClassDB::bind_method(D_METHOD("set_shape", "shape"), &CollisionShape::set_shape);
ClassDB::bind_method(D_METHOD("get_shape"), &CollisionShape::get_shape);
ClassDB::bind_method(D_METHOD("set_disabled", "enable"), &CollisionShape::set_disabled);
ClassDB::bind_method(D_METHOD("is_disabled"), &CollisionShape::is_disabled);
ClassDB::bind_method(D_METHOD("make_convex_from_brothers"), &CollisionShape::make_convex_from_brothers);
ClassDB::set_method_flags("CollisionShape", "make_convex_from_brothers", METHOD_FLAGS_DEFAULT | METHOD_FLAG_EDITOR);
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "shape", PROPERTY_HINT_RESOURCE_TYPE, "Shape"), "set_shape", "get_shape");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "disabled"), "set_disabled", "is_disabled");
}
void CollisionShape::set_shape(const Ref<Shape> &p_shape) {
if (!shape.is_null())
shape->unregister_owner(this);
shape = p_shape;
if (!shape.is_null())
shape->register_owner(this);
update_gizmo();
if (parent) {
parent->shape_owner_clear_shapes(owner_id);
if (shape.is_valid()) {
parent->shape_owner_add_shape(owner_id, shape);
}
}
update_configuration_warning();
}
Ref<Shape> CollisionShape::get_shape() const {
return shape;
}
void CollisionShape::set_disabled(bool p_disabled) {
disabled = p_disabled;
update_gizmo();
if (parent) {
parent->shape_owner_set_disabled(owner_id, p_disabled);
}
}
bool CollisionShape::is_disabled() const {
return disabled;
}
CollisionShape::CollisionShape() {
//indicator = VisualServer::get_singleton()->mesh_create();
disabled = false;
debug_shape = NULL;
parent = NULL;
owner_id = 0;
set_notify_local_transform(true);
}
CollisionShape::~CollisionShape() {
if (!shape.is_null())
shape->unregister_owner(this);
//VisualServer::get_singleton()->free(indicator);
}
void CollisionShape::_create_debug_shape() {
if (debug_shape) {
debug_shape->queue_delete();
debug_shape = NULL;
}
Ref<Shape> s = get_shape();
if (s.is_null())
return;
Ref<Mesh> mesh = s->get_debug_mesh();
MeshInstance *mi = memnew(MeshInstance);
mi->set_mesh(mesh);
add_child(mi);
debug_shape = mi;
}