Cppcheck report - Godot - branch: 3.x, commit: cd92ad0f69a842d94dc2d56f83cbd8f724ed2959 (2024-12-15): scene/3d/collision_object.cpp

/**************************************************************************/
/*  collision_object.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.                  */
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/* Permission is hereby granted, free of charge, to any person obtaining  */
/* a copy of this software and associated documentation files (the        */
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/* permit persons to whom the Software is furnished to do so, subject to  */
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/* 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. */
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/**************************************************************************/

#include "collision_object.h"

#include "core/engine.h"
#include "mesh_instance.h"
#include "scene/scene_string_names.h"
#include "servers/physics_server.h"

void CollisionObject::_notification(int p_what) {
	switch (p_what) {
		case NOTIFICATION_ENTER_TREE: {
			if (_are_collision_shapes_visible()) {
				debug_shape_old_transform = get_global_transform();
				for (Map<uint32_t, ShapeData>::Element *E = shapes.front(); E; E = E->next()) {
					debug_shapes_to_update.insert(E->key());
				}
				_update_debug_shapes();
			}
		} break;

		case NOTIFICATION_EXIT_TREE: {
			if (debug_shapes_count > 0) {
				_clear_debug_shapes();
			}
		} break;

		case NOTIFICATION_ENTER_WORLD: {
			if (area) {
				PhysicsServer::get_singleton()->area_set_transform(rid, get_global_transform());
			} else {
				PhysicsServer::get_singleton()->body_set_state(rid, PhysicsServer::BODY_STATE_TRANSFORM, get_global_transform());
			}

			Ref<World> world_ref = get_world();
			ERR_FAIL_COND(!world_ref.is_valid());
			RID space = world_ref->get_space();
			if (area) {
				PhysicsServer::get_singleton()->area_set_space(rid, space);
			} else {
				PhysicsServer::get_singleton()->body_set_space(rid, space);
			}
			_update_pickable();
			//get space
		} break;

		case NOTIFICATION_TRANSFORM_CHANGED: {
			if (only_update_transform_changes) {
				return;
			}

			if (area) {
				PhysicsServer::get_singleton()->area_set_transform(rid, get_global_transform());
			} else {
				PhysicsServer::get_singleton()->body_set_state(rid, PhysicsServer::BODY_STATE_TRANSFORM, get_global_transform());
			}

			_on_transform_changed();

		} break;
		case NOTIFICATION_VISIBILITY_CHANGED: {
			_update_pickable();

		} break;
		case NOTIFICATION_EXIT_WORLD: {
			if (area) {
				PhysicsServer::get_singleton()->area_set_space(rid, RID());
			} else {
				PhysicsServer::get_singleton()->body_set_space(rid, RID());
			}

		} break;
	}
}

void CollisionObject::set_collision_layer(uint32_t p_layer) {
	collision_layer = p_layer;
	if (area) {
		PhysicsServer::get_singleton()->area_set_collision_layer(get_rid(), p_layer);
	} else {
		PhysicsServer::get_singleton()->body_set_collision_layer(get_rid(), p_layer);
	}
}

uint32_t CollisionObject::get_collision_layer() const {
	return collision_layer;
}

void CollisionObject::set_collision_mask(uint32_t p_mask) {
	collision_mask = p_mask;
	if (area) {
		PhysicsServer::get_singleton()->area_set_collision_mask(get_rid(), p_mask);
	} else {
		PhysicsServer::get_singleton()->body_set_collision_mask(get_rid(), p_mask);
	}
}

uint32_t CollisionObject::get_collision_mask() const {
	return collision_mask;
}

void CollisionObject::set_collision_layer_bit(int p_bit, bool p_value) {
	ERR_FAIL_INDEX_MSG(p_bit, 32, "Collision layer bit must be between 0 and 31 inclusive.");
	uint32_t collision_layer = get_collision_layer();
	if (p_value) {
		collision_layer |= 1 << p_bit;
	} else {
		collision_layer &= ~(1 << p_bit);
	}
	set_collision_layer(collision_layer);
}

bool CollisionObject::get_collision_layer_bit(int p_bit) const {
	ERR_FAIL_INDEX_V_MSG(p_bit, 32, false, "Collision layer bit must be between 0 and 31 inclusive.");
	return get_collision_layer() & (1 << p_bit);
}

void CollisionObject::set_collision_mask_bit(int p_bit, bool p_value) {
	ERR_FAIL_INDEX_MSG(p_bit, 32, "Collision mask bit must be between 0 and 31 inclusive.");
	uint32_t mask = get_collision_mask();
	if (p_value) {
		mask |= 1 << p_bit;
	} else {
		mask &= ~(1 << p_bit);
	}
	set_collision_mask(mask);
}

bool CollisionObject::get_collision_mask_bit(int p_bit) const {
	ERR_FAIL_INDEX_V_MSG(p_bit, 32, false, "Collision mask bit must be between 0 and 31 inclusive.");
	return get_collision_mask() & (1 << p_bit);
}

void CollisionObject::_input_event(Node *p_camera, const Ref<InputEvent> &p_input_event, const Vector3 &p_pos, const Vector3 &p_normal, int p_shape) {
	if (get_script_instance()) {
		get_script_instance()->call(SceneStringNames::get_singleton()->_input_event, p_camera, p_input_event, p_pos, p_normal, p_shape);
	}
	emit_signal(SceneStringNames::get_singleton()->input_event, p_camera, p_input_event, p_pos, p_normal, p_shape);
}

void CollisionObject::_mouse_enter() {
	if (get_script_instance()) {
		get_script_instance()->call(SceneStringNames::get_singleton()->_mouse_enter);
	}
	emit_signal(SceneStringNames::get_singleton()->mouse_entered);
}

void CollisionObject::_mouse_exit() {
	if (get_script_instance()) {
		get_script_instance()->call(SceneStringNames::get_singleton()->_mouse_exit);
	}
	emit_signal(SceneStringNames::get_singleton()->mouse_exited);
}

void CollisionObject::set_only_update_transform_changes(bool p_enable) {
	only_update_transform_changes = p_enable;
}

void CollisionObject::_update_pickable() {
	if (!is_inside_tree()) {
		return;
	}

	bool pickable = ray_pickable && is_visible_in_tree();
	if (area) {
		PhysicsServer::get_singleton()->area_set_ray_pickable(rid, pickable);
	} else {
		PhysicsServer::get_singleton()->body_set_ray_pickable(rid, pickable);
	}
}

bool CollisionObject::_are_collision_shapes_visible() {
	return is_inside_tree() && get_tree()->is_debugging_collisions_hint() && !Engine::get_singleton()->is_editor_hint();
}

void CollisionObject::_update_shape_data(uint32_t p_owner) {
	if (_are_collision_shapes_visible()) {
		if (debug_shapes_to_update.empty()) {
			call_deferred("_update_debug_shapes");
		}
		debug_shapes_to_update.insert(p_owner);
	}
}

void CollisionObject::_shape_changed(const Ref<Shape> &p_shape) {
	for (Map<uint32_t, ShapeData>::Element *E = shapes.front(); E; E = E->next()) {
		ShapeData &shapedata = E->get();
		ShapeData::ShapeBase *shapes = shapedata.shapes.ptrw();
		for (int i = 0; i < shapedata.shapes.size(); i++) {
			ShapeData::ShapeBase &s = shapes[i];
			if (s.shape == p_shape && s.debug_shape.is_valid()) {
				Ref<Mesh> mesh = s.shape->get_debug_mesh();
				VS::get_singleton()->instance_set_base(s.debug_shape, mesh->get_rid());
			}
		}
	}
}

void CollisionObject::_update_debug_shapes() {
	if (!is_inside_tree()) {
		debug_shapes_to_update.clear();
		return;
	}

	for (Set<uint32_t>::Element *shapedata_idx = debug_shapes_to_update.front(); shapedata_idx; shapedata_idx = shapedata_idx->next()) {
		if (shapes.has(shapedata_idx->get())) {
			ShapeData &shapedata = shapes[shapedata_idx->get()];
			ShapeData::ShapeBase *shapes = shapedata.shapes.ptrw();
			for (int i = 0; i < shapedata.shapes.size(); i++) {
				ShapeData::ShapeBase &s = shapes[i];
				if (s.shape.is_null() || shapedata.disabled) {
					if (s.debug_shape.is_valid()) {
						VS::get_singleton()->free(s.debug_shape);
						s.debug_shape = RID();
						--debug_shapes_count;
					}
				}
				if (!s.debug_shape.is_valid()) {
					s.debug_shape = RID_PRIME(VS::get_singleton()->instance_create());
					VS::get_singleton()->instance_set_scenario(s.debug_shape, get_world()->get_scenario());

					if (!s.shape->is_connected("changed", this, "_shape_changed")) {
						s.shape->connect("changed", this, "_shape_changed", varray(s.shape), CONNECT_DEFERRED);
					}

					++debug_shapes_count;
				}

				Ref<Mesh> mesh = s.shape->get_debug_mesh();
				VS::get_singleton()->instance_set_base(s.debug_shape, mesh->get_rid());
				VS::get_singleton()->instance_set_transform(s.debug_shape, get_global_transform() * shapedata.xform);
				VS::get_singleton()->instance_set_portal_mode(s.debug_shape, VisualServer::INSTANCE_PORTAL_MODE_GLOBAL);
			}
		}
	}
	debug_shapes_to_update.clear();
}

void CollisionObject::_clear_debug_shapes() {
	for (Map<uint32_t, ShapeData>::Element *E = shapes.front(); E; E = E->next()) {
		ShapeData &shapedata = E->get();
		ShapeData::ShapeBase *shapes = shapedata.shapes.ptrw();
		for (int i = 0; i < shapedata.shapes.size(); i++) {
			ShapeData::ShapeBase &s = shapes[i];
			if (s.debug_shape.is_valid()) {
				VS::get_singleton()->free(s.debug_shape);
				s.debug_shape = RID();
				if (s.shape.is_valid() && s.shape->is_connected("changed", this, "_shape_changed")) {
					s.shape->disconnect("changed", this, "_shape_changed");
				}
			}
		}
	}

	debug_shapes_count = 0;
}

void CollisionObject::_on_transform_changed() {
	if (debug_shapes_count > 0 && !debug_shape_old_transform.is_equal_approx(get_global_transform())) {
		debug_shape_old_transform = get_global_transform();
		for (Map<uint32_t, ShapeData>::Element *E = shapes.front(); E; E = E->next()) {
			ShapeData &shapedata = E->get();
			const ShapeData::ShapeBase *shapes = shapedata.shapes.ptr();
			for (int i = 0; i < shapedata.shapes.size(); i++) {
				VS::get_singleton()->instance_set_transform(shapes[i].debug_shape, debug_shape_old_transform * shapedata.xform);
			}
		}
	}
}

void CollisionObject::set_ray_pickable(bool p_ray_pickable) {
	ray_pickable = p_ray_pickable;
	_update_pickable();
}

bool CollisionObject::is_ray_pickable() const {
	return ray_pickable;
}

void CollisionObject::_bind_methods() {
	ClassDB::bind_method(D_METHOD("set_collision_layer", "layer"), &CollisionObject::set_collision_layer);
	ClassDB::bind_method(D_METHOD("get_collision_layer"), &CollisionObject::get_collision_layer);
	ClassDB::bind_method(D_METHOD("set_collision_mask", "mask"), &CollisionObject::set_collision_mask);
	ClassDB::bind_method(D_METHOD("get_collision_mask"), &CollisionObject::get_collision_mask);
	ClassDB::bind_method(D_METHOD("set_collision_layer_bit", "bit", "value"), &CollisionObject::set_collision_layer_bit);
	ClassDB::bind_method(D_METHOD("get_collision_layer_bit", "bit"), &CollisionObject::get_collision_layer_bit);
	ClassDB::bind_method(D_METHOD("set_collision_mask_bit", "bit", "value"), &CollisionObject::set_collision_mask_bit);
	ClassDB::bind_method(D_METHOD("get_collision_mask_bit", "bit"), &CollisionObject::get_collision_mask_bit);
	ClassDB::bind_method(D_METHOD("set_ray_pickable", "ray_pickable"), &CollisionObject::set_ray_pickable);
	ClassDB::bind_method(D_METHOD("is_ray_pickable"), &CollisionObject::is_ray_pickable);
	ClassDB::bind_method(D_METHOD("set_capture_input_on_drag", "enable"), &CollisionObject::set_capture_input_on_drag);
	ClassDB::bind_method(D_METHOD("get_capture_input_on_drag"), &CollisionObject::get_capture_input_on_drag);
	ClassDB::bind_method(D_METHOD("get_rid"), &CollisionObject::get_rid);
	ClassDB::bind_method(D_METHOD("create_shape_owner", "owner"), &CollisionObject::create_shape_owner);
	ClassDB::bind_method(D_METHOD("remove_shape_owner", "owner_id"), &CollisionObject::remove_shape_owner);
	ClassDB::bind_method(D_METHOD("get_shape_owners"), &CollisionObject::_get_shape_owners);
	ClassDB::bind_method(D_METHOD("shape_owner_set_transform", "owner_id", "transform"), &CollisionObject::shape_owner_set_transform);
	ClassDB::bind_method(D_METHOD("shape_owner_get_transform", "owner_id"), &CollisionObject::shape_owner_get_transform);
	ClassDB::bind_method(D_METHOD("shape_owner_get_owner", "owner_id"), &CollisionObject::shape_owner_get_owner);
	ClassDB::bind_method(D_METHOD("shape_owner_set_disabled", "owner_id", "disabled"), &CollisionObject::shape_owner_set_disabled);
	ClassDB::bind_method(D_METHOD("is_shape_owner_disabled", "owner_id"), &CollisionObject::is_shape_owner_disabled);
	ClassDB::bind_method(D_METHOD("shape_owner_add_shape", "owner_id", "shape"), &CollisionObject::shape_owner_add_shape);
	ClassDB::bind_method(D_METHOD("shape_owner_get_shape_count", "owner_id"), &CollisionObject::shape_owner_get_shape_count);
	ClassDB::bind_method(D_METHOD("shape_owner_get_shape", "owner_id", "shape_id"), &CollisionObject::shape_owner_get_shape);
	ClassDB::bind_method(D_METHOD("shape_owner_get_shape_index", "owner_id", "shape_id"), &CollisionObject::shape_owner_get_shape_index);
	ClassDB::bind_method(D_METHOD("shape_owner_remove_shape", "owner_id", "shape_id"), &CollisionObject::shape_owner_remove_shape);
	ClassDB::bind_method(D_METHOD("shape_owner_clear_shapes", "owner_id"), &CollisionObject::shape_owner_clear_shapes);
	ClassDB::bind_method(D_METHOD("shape_find_owner", "shape_index"), &CollisionObject::shape_find_owner);

	ClassDB::bind_method(D_METHOD("_update_debug_shapes"), &CollisionObject::_update_debug_shapes);
	ClassDB::bind_method(D_METHOD("_shape_changed", "shape"), &CollisionObject::_shape_changed);

	BIND_VMETHOD(MethodInfo("_input_event", PropertyInfo(Variant::OBJECT, "camera"), PropertyInfo(Variant::OBJECT, "event", PROPERTY_HINT_RESOURCE_TYPE, "InputEvent"), PropertyInfo(Variant::VECTOR3, "position"), PropertyInfo(Variant::VECTOR3, "normal"), PropertyInfo(Variant::INT, "shape_idx")));

	ADD_SIGNAL(MethodInfo("input_event", PropertyInfo(Variant::OBJECT, "camera", PROPERTY_HINT_RESOURCE_TYPE, "Node"), PropertyInfo(Variant::OBJECT, "event", PROPERTY_HINT_RESOURCE_TYPE, "InputEvent"), PropertyInfo(Variant::VECTOR3, "position"), PropertyInfo(Variant::VECTOR3, "normal"), PropertyInfo(Variant::INT, "shape_idx")));
	ADD_SIGNAL(MethodInfo("mouse_entered"));
	ADD_SIGNAL(MethodInfo("mouse_exited"));

	ADD_GROUP("Collision", "collision_");
	ADD_PROPERTY(PropertyInfo(Variant::INT, "collision_layer", PROPERTY_HINT_LAYERS_3D_PHYSICS), "set_collision_layer", "get_collision_layer");
	ADD_PROPERTY(PropertyInfo(Variant::INT, "collision_mask", PROPERTY_HINT_LAYERS_3D_PHYSICS), "set_collision_mask", "get_collision_mask");

	ADD_GROUP("Input", "input_");
	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "input_ray_pickable"), "set_ray_pickable", "is_ray_pickable");
	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "input_capture_on_drag"), "set_capture_input_on_drag", "get_capture_input_on_drag");
}

uint32_t CollisionObject::create_shape_owner(Object *p_owner) {
	ShapeData sd;
	uint32_t id;

	if (shapes.size() == 0) {
		id = 0;
	} else {
		id = shapes.back()->key() + 1;
	}

	sd.owner_id = p_owner ? p_owner->get_instance_id() : 0;

	shapes[id] = sd;

	return id;
}

void CollisionObject::remove_shape_owner(uint32_t owner) {
	ERR_FAIL_COND(!shapes.has(owner));

	shape_owner_clear_shapes(owner);

	shapes.erase(owner);
}

void CollisionObject::shape_owner_set_disabled(uint32_t p_owner, bool p_disabled) {
	ERR_FAIL_COND(!shapes.has(p_owner));

	ShapeData &sd = shapes[p_owner];
	if (sd.disabled == p_disabled) {
		return;
	}
	sd.disabled = p_disabled;

	for (int i = 0; i < sd.shapes.size(); i++) {
		if (area) {
			PhysicsServer::get_singleton()->area_set_shape_disabled(rid, sd.shapes[i].index, p_disabled);
		} else {
			PhysicsServer::get_singleton()->body_set_shape_disabled(rid, sd.shapes[i].index, p_disabled);
		}
	}
	_update_shape_data(p_owner);
}

bool CollisionObject::is_shape_owner_disabled(uint32_t p_owner) const {
	ERR_FAIL_COND_V(!shapes.has(p_owner), false);

	return shapes[p_owner].disabled;
}

void CollisionObject::get_shape_owners(List<uint32_t> *r_owners) {
	for (Map<uint32_t, ShapeData>::Element *E = shapes.front(); E; E = E->next()) {
		r_owners->push_back(E->key());
	}
}

Array CollisionObject::_get_shape_owners() {
	Array ret;
	for (Map<uint32_t, ShapeData>::Element *E = shapes.front(); E; E = E->next()) {
		ret.push_back(E->key());
	}

	return ret;
}

void CollisionObject::shape_owner_set_transform(uint32_t p_owner, const Transform &p_transform) {
	ERR_FAIL_COND(!shapes.has(p_owner));

	ShapeData &sd = shapes[p_owner];
	sd.xform = p_transform;
	for (int i = 0; i < sd.shapes.size(); i++) {
		if (area) {
			PhysicsServer::get_singleton()->area_set_shape_transform(rid, sd.shapes[i].index, p_transform);
		} else {
			PhysicsServer::get_singleton()->body_set_shape_transform(rid, sd.shapes[i].index, p_transform);
		}
	}

	_update_shape_data(p_owner);
}
Transform CollisionObject::shape_owner_get_transform(uint32_t p_owner) const {
	ERR_FAIL_COND_V(!shapes.has(p_owner), Transform());

	return shapes[p_owner].xform;
}

Object *CollisionObject::shape_owner_get_owner(uint32_t p_owner) const {
	ERR_FAIL_COND_V(!shapes.has(p_owner), nullptr);

	return ObjectDB::get_instance(shapes[p_owner].owner_id);
}

void CollisionObject::shape_owner_add_shape(uint32_t p_owner, const Ref<Shape> &p_shape) {
	ERR_FAIL_COND(!shapes.has(p_owner));
	ERR_FAIL_COND(p_shape.is_null());

	ShapeData &sd = shapes[p_owner];
	ShapeData::ShapeBase s;
	s.index = total_subshapes;
	s.shape = p_shape;

	if (area) {
		PhysicsServer::get_singleton()->area_add_shape(rid, p_shape->get_rid(), sd.xform, sd.disabled);
	} else {
		PhysicsServer::get_singleton()->body_add_shape(rid, p_shape->get_rid(), sd.xform, sd.disabled);
	}
	sd.shapes.push_back(s);

	total_subshapes++;

	_update_shape_data(p_owner);
}
int CollisionObject::shape_owner_get_shape_count(uint32_t p_owner) const {
	ERR_FAIL_COND_V(!shapes.has(p_owner), 0);

	return shapes[p_owner].shapes.size();
}
Ref<Shape> CollisionObject::shape_owner_get_shape(uint32_t p_owner, int p_shape) const {
	ERR_FAIL_COND_V(!shapes.has(p_owner), Ref<Shape>());
	ERR_FAIL_INDEX_V(p_shape, shapes[p_owner].shapes.size(), Ref<Shape>());

	return shapes[p_owner].shapes[p_shape].shape;
}
int CollisionObject::shape_owner_get_shape_index(uint32_t p_owner, int p_shape) const {
	ERR_FAIL_COND_V(!shapes.has(p_owner), -1);
	ERR_FAIL_INDEX_V(p_shape, shapes[p_owner].shapes.size(), -1);

	return shapes[p_owner].shapes[p_shape].index;
}

void CollisionObject::shape_owner_remove_shape(uint32_t p_owner, int p_shape) {
	ERR_FAIL_COND(!shapes.has(p_owner));
	ERR_FAIL_INDEX(p_shape, shapes[p_owner].shapes.size());

	ShapeData::ShapeBase &s = shapes[p_owner].shapes.write[p_shape];
	int index_to_remove = s.index;

	if (area) {
		PhysicsServer::get_singleton()->area_remove_shape(rid, index_to_remove);
	} else {
		PhysicsServer::get_singleton()->body_remove_shape(rid, index_to_remove);
	}

	if (s.debug_shape.is_valid()) {
		VS::get_singleton()->free(s.debug_shape);
		if (s.shape.is_valid() && s.shape->is_connected("changed", this, "_shape_changed")) {
			s.shape->disconnect("changed", this, "_shape_changed");
		}
		--debug_shapes_count;
	}

	shapes[p_owner].shapes.remove(p_shape);

	for (Map<uint32_t, ShapeData>::Element *E = shapes.front(); E; E = E->next()) {
		for (int i = 0; i < E->get().shapes.size(); i++) {
			if (E->get().shapes[i].index > index_to_remove) {
				E->get().shapes.write[i].index -= 1;
			}
		}
	}

	total_subshapes--;
}

void CollisionObject::shape_owner_clear_shapes(uint32_t p_owner) {
	ERR_FAIL_COND(!shapes.has(p_owner));

	while (shape_owner_get_shape_count(p_owner) > 0) {
		shape_owner_remove_shape(p_owner, 0);
	}
}

uint32_t CollisionObject::shape_find_owner(int p_shape_index) const {
	ERR_FAIL_INDEX_V(p_shape_index, total_subshapes, UINT32_MAX);

	for (const Map<uint32_t, ShapeData>::Element *E = shapes.front(); E; E = E->next()) {
		for (int i = 0; i < E->get().shapes.size(); i++) {
			if (E->get().shapes[i].index == p_shape_index) {
				return E->key();
			}
		}
	}

	//in theory it should be unreachable
	ERR_FAIL_V_MSG(UINT32_MAX, "Can't find owner for shape index " + itos(p_shape_index) + ".");
}

CollisionObject::CollisionObject(RID p_rid, bool p_area) {
	rid = p_rid;
<--- Variable 'rid' is assigned in constructor body. Consider performing initialization in initialization list. [+]
When an object of a class is created, the constructors of all member variables are called consecutively in the order the variables are declared, even if you don't explicitly write them to the initialization list. You could avoid assigning 'rid' a value by passing the value to the constructor in the initialization list.
	area = p_area;
	capture_input_on_drag = false;
	ray_pickable = true;
	set_notify_transform(true);
	total_subshapes = 0;

	if (p_area) {
		PhysicsServer::get_singleton()->area_attach_object_instance_id(rid, get_instance_id());
	} else {
		PhysicsServer::get_singleton()->body_attach_object_instance_id(rid, get_instance_id());
	}
	//set_transform_notify(true);
}

void CollisionObject::set_capture_input_on_drag(bool p_capture) {
	capture_input_on_drag = p_capture;
}

bool CollisionObject::get_capture_input_on_drag() const {
	return capture_input_on_drag;
}

String CollisionObject::get_configuration_warning() const {
	String warning = Spatial::get_configuration_warning();

	if (shapes.empty()) {
		if (!warning.empty()) {
			warning += "\n\n";
		}
		warning += TTR("This node has no shape, so it can't collide or interact with other objects.\nConsider adding a CollisionShape or CollisionPolygon as a child to define its shape.");
	}

	return warning;
}

CollisionObject::CollisionObject() {
	capture_input_on_drag = false;
	ray_pickable = true;
	set_notify_transform(true);
	//owner=

	//set_transform_notify(true);
}

CollisionObject::~CollisionObject() {
	PhysicsServer::get_singleton()->free(rid);
}