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godot/scene/2d/collision_object_2d.cpp

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/*************************************************************************/
/* collision_object_2d.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_object_2d.h"
#include "scene/scene_string_names.h"
#include "servers/physics_2d_server.h"
void CollisionObject2D::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_ENTER_TREE: {
Transform2D global_transform = get_global_transform();
if (area)
Physics2DServer::get_singleton()->area_set_transform(rid, global_transform);
else
Physics2DServer::get_singleton()->body_set_state(rid, Physics2DServer::BODY_STATE_TRANSFORM, global_transform);
last_transform = global_transform;
RID space = get_world_2d()->get_space();
if (area) {
Physics2DServer::get_singleton()->area_set_space(rid, space);
} else
Physics2DServer::get_singleton()->body_set_space(rid, space);
_update_pickable();
//get space
}
case NOTIFICATION_VISIBILITY_CHANGED: {
_update_pickable();
} break;
case NOTIFICATION_TRANSFORM_CHANGED: {
Transform2D global_transform = get_global_transform();
if (only_update_transform_changes && global_transform == last_transform) {
return;
}
if (area)
Physics2DServer::get_singleton()->area_set_transform(rid, global_transform);
else
Physics2DServer::get_singleton()->body_set_state(rid, Physics2DServer::BODY_STATE_TRANSFORM, global_transform);
last_transform = global_transform;
} break;
case NOTIFICATION_EXIT_TREE: {
if (area) {
Physics2DServer::get_singleton()->area_set_space(rid, RID());
} else
Physics2DServer::get_singleton()->body_set_space(rid, RID());
} break;
}
}
uint32_t CollisionObject2D::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 = p_owner;
shapes[id] = sd;
return id;
}
void CollisionObject2D::remove_shape_owner(uint32_t owner) {
ERR_FAIL_COND(!shapes.has(owner));
shape_owner_clear_shapes(owner);
shapes.erase(owner);
}
void CollisionObject2D::shape_owner_set_disabled(uint32_t p_owner, bool p_disabled) {
ERR_FAIL_COND(!shapes.has(p_owner));
ShapeData &sd = shapes[p_owner];
sd.disabled = p_disabled;
for (int i = 0; i < sd.shapes.size(); i++) {
if (area) {
Physics2DServer::get_singleton()->area_set_shape_disabled(rid, sd.shapes[i].index, p_disabled);
} else {
Physics2DServer::get_singleton()->body_set_shape_disabled(rid, sd.shapes[i].index, p_disabled);
}
}
}
bool CollisionObject2D::is_shape_owner_disabled(uint32_t p_owner) const {
ERR_FAIL_COND_V(!shapes.has(p_owner), false);
return shapes[p_owner].disabled;
}
void CollisionObject2D::shape_owner_set_one_way_collision(uint32_t p_owner, bool p_enable) {
if (area)
return; //not for areas
ERR_FAIL_COND(!shapes.has(p_owner));
ShapeData &sd = shapes[p_owner];
sd.one_way_collision = p_enable;
for (int i = 0; i < sd.shapes.size(); i++) {
Physics2DServer::get_singleton()->body_set_shape_as_one_way_collision(rid, sd.shapes[i].index, p_enable);
}
}
bool CollisionObject2D::is_shape_owner_one_way_collision_enabled(uint32_t p_owner) const {
ERR_FAIL_COND_V(!shapes.has(p_owner), false);
return shapes[p_owner].one_way_collision;
}
void CollisionObject2D::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 CollisionObject2D::_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 CollisionObject2D::shape_owner_set_transform(uint32_t p_owner, const Transform2D &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) {
Physics2DServer::get_singleton()->area_set_shape_transform(rid, sd.shapes[i].index, p_transform);
} else {
Physics2DServer::get_singleton()->body_set_shape_transform(rid, sd.shapes[i].index, p_transform);
}
}
}
Transform2D CollisionObject2D::shape_owner_get_transform(uint32_t p_owner) const {
ERR_FAIL_COND_V(!shapes.has(p_owner), Transform2D());
return shapes[p_owner].xform;
}
Object *CollisionObject2D::shape_owner_get_owner(uint32_t p_owner) const {
ERR_FAIL_COND_V(!shapes.has(p_owner), NULL);
return shapes[p_owner].owner;
}
void CollisionObject2D::shape_owner_add_shape(uint32_t p_owner, const Ref<Shape2D> &p_shape) {
ERR_FAIL_COND(!shapes.has(p_owner));
ERR_FAIL_COND(p_shape.is_null());
ShapeData &sd = shapes[p_owner];
ShapeData::Shape s;
s.index = total_subshapes;
s.shape = p_shape;
if (area) {
Physics2DServer::get_singleton()->area_add_shape(rid, p_shape->get_rid(), sd.xform);
} else {
Physics2DServer::get_singleton()->body_add_shape(rid, p_shape->get_rid(), sd.xform);
}
sd.shapes.push_back(s);
total_subshapes++;
}
int CollisionObject2D::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<Shape2D> CollisionObject2D::shape_owner_get_shape(uint32_t p_owner, int p_shape) const {
ERR_FAIL_COND_V(!shapes.has(p_owner), Ref<Shape2D>());
ERR_FAIL_INDEX_V(p_shape, shapes[p_owner].shapes.size(), Ref<Shape2D>());
return shapes[p_owner].shapes[p_shape].shape;
}
int CollisionObject2D::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 CollisionObject2D::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());
int index_to_remove = shapes[p_owner].shapes[p_shape].index;
if (area) {
Physics2DServer::get_singleton()->area_remove_shape(rid, index_to_remove);
} else {
Physics2DServer::get_singleton()->body_remove_shape(rid, index_to_remove);
}
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 CollisionObject2D::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 CollisionObject2D::shape_find_owner(int p_shape_index) const {
ERR_FAIL_INDEX_V(p_shape_index, total_subshapes, 0);
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
return 0;
}
void CollisionObject2D::set_pickable(bool p_enabled) {
if (pickable == p_enabled)
return;
pickable = p_enabled;
_update_pickable();
}
bool CollisionObject2D::is_pickable() const {
return pickable;
}
void CollisionObject2D::_input_event(Node *p_viewport, const Ref<InputEvent> &p_input_event, int p_shape) {
if (get_script_instance()) {
get_script_instance()->call(SceneStringNames::get_singleton()->_input_event, p_viewport, p_input_event, p_shape);
}
emit_signal(SceneStringNames::get_singleton()->input_event, p_viewport, p_input_event, p_shape);
}
void CollisionObject2D::_mouse_enter() {
if (get_script_instance()) {
get_script_instance()->call(SceneStringNames::get_singleton()->_mouse_enter);
}
emit_signal(SceneStringNames::get_singleton()->mouse_entered);
}
void CollisionObject2D::_mouse_exit() {
if (get_script_instance()) {
get_script_instance()->call(SceneStringNames::get_singleton()->_mouse_exit);
}
emit_signal(SceneStringNames::get_singleton()->mouse_exited);
}
void CollisionObject2D::set_only_update_transform_changes(bool p_enable) {
only_update_transform_changes = p_enable;
}
void CollisionObject2D::_update_pickable() {
if (!is_inside_tree())
return;
bool pickable = this->pickable && is_inside_tree() && is_visible_in_tree();
if (area)
Physics2DServer::get_singleton()->area_set_pickable(rid, pickable);
else
Physics2DServer::get_singleton()->body_set_pickable(rid, pickable);
}
String CollisionObject2D::get_configuration_warning() const {
String warning = Node2D::get_configuration_warning();
if (shapes.empty()) {
if (warning == String()) {
warning += "\n";
}
warning += TTR("This node has no shape, so it can't collide or interact with other objects.\nConsider adding a CollisionShape2D or CollisionPolygon2D as a child to define its shape.");
}
return warning;
}
void CollisionObject2D::_bind_methods() {
ClassDB::bind_method(D_METHOD("get_rid"), &CollisionObject2D::get_rid);
ClassDB::bind_method(D_METHOD("set_pickable", "enabled"), &CollisionObject2D::set_pickable);
ClassDB::bind_method(D_METHOD("is_pickable"), &CollisionObject2D::is_pickable);
ClassDB::bind_method(D_METHOD("create_shape_owner", "owner"), &CollisionObject2D::create_shape_owner);
ClassDB::bind_method(D_METHOD("remove_shape_owner", "owner_id"), &CollisionObject2D::remove_shape_owner);
ClassDB::bind_method(D_METHOD("get_shape_owners"), &CollisionObject2D::_get_shape_owners);
ClassDB::bind_method(D_METHOD("shape_owner_set_transform", "owner_id", "transform"), &CollisionObject2D::shape_owner_set_transform);
ClassDB::bind_method(D_METHOD("shape_owner_get_transform", "owner_id"), &CollisionObject2D::shape_owner_get_transform);
ClassDB::bind_method(D_METHOD("shape_owner_get_owner", "owner_id"), &CollisionObject2D::shape_owner_get_owner);
ClassDB::bind_method(D_METHOD("shape_owner_set_disabled", "owner_id", "disabled"), &CollisionObject2D::shape_owner_set_disabled);
ClassDB::bind_method(D_METHOD("is_shape_owner_disabled", "owner_id"), &CollisionObject2D::is_shape_owner_disabled);
ClassDB::bind_method(D_METHOD("shape_owner_set_one_way_collision", "owner_id", "enable"), &CollisionObject2D::shape_owner_set_one_way_collision);
ClassDB::bind_method(D_METHOD("is_shape_owner_one_way_collision_enabled", "owner_id"), &CollisionObject2D::is_shape_owner_one_way_collision_enabled);
ClassDB::bind_method(D_METHOD("shape_owner_add_shape", "owner_id", "shape"), &CollisionObject2D::shape_owner_add_shape);
ClassDB::bind_method(D_METHOD("shape_owner_get_shape_count", "owner_id"), &CollisionObject2D::shape_owner_get_shape_count);
ClassDB::bind_method(D_METHOD("shape_owner_get_shape", "owner_id", "shape_id"), &CollisionObject2D::shape_owner_get_shape);
ClassDB::bind_method(D_METHOD("shape_owner_get_shape_index", "owner_id", "shape_id"), &CollisionObject2D::shape_owner_get_shape_index);
ClassDB::bind_method(D_METHOD("shape_owner_remove_shape", "owner_id", "shape_id"), &CollisionObject2D::shape_owner_remove_shape);
ClassDB::bind_method(D_METHOD("shape_owner_clear_shapes", "owner_id"), &CollisionObject2D::shape_owner_clear_shapes);
ClassDB::bind_method(D_METHOD("shape_find_owner", "shape_index"), &CollisionObject2D::shape_find_owner);
BIND_VMETHOD(MethodInfo("_input_event", PropertyInfo(Variant::OBJECT, "viewport"), PropertyInfo(Variant::OBJECT, "event", PROPERTY_HINT_RESOURCE_TYPE, "InputEvent"), PropertyInfo(Variant::INT, "shape_idx")));
ADD_SIGNAL(MethodInfo("input_event", PropertyInfo(Variant::OBJECT, "viewport"), PropertyInfo(Variant::OBJECT, "event", PROPERTY_HINT_RESOURCE_TYPE, "InputEvent"), PropertyInfo(Variant::INT, "shape_idx")));
ADD_SIGNAL(MethodInfo("mouse_entered"));
ADD_SIGNAL(MethodInfo("mouse_exited"));
ADD_GROUP("Pickable", "input_");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "input_pickable"), "set_pickable", "is_pickable");
ADD_GROUP("", "");
}
CollisionObject2D::CollisionObject2D(RID p_rid, bool p_area) {
rid = p_rid;
area = p_area;
pickable = true;
set_notify_transform(true);
total_subshapes = 0;
only_update_transform_changes = false;
if (p_area) {
Physics2DServer::get_singleton()->area_attach_object_instance_id(rid, get_instance_id());
} else {
Physics2DServer::get_singleton()->body_attach_object_instance_id(rid, get_instance_id());
}
}
CollisionObject2D::CollisionObject2D() {
//owner=
set_notify_transform(true);
}
CollisionObject2D::~CollisionObject2D() {
Physics2DServer::get_singleton()->free(rid);
}
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