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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::_update_shapes_from_children() {
shapes.clear();
for (int i = 0; i < get_child_count(); i++) {
Node *n = get_child(i);
n->call("_add_to_collision_object", this);
}
_update_shapes();
}
void CollisionObject2D::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_ENTER_TREE: {
if (area)
Physics2DServer::get_singleton()->area_set_transform(rid, get_global_transform());
else
Physics2DServer::get_singleton()->body_set_state(rid, Physics2DServer::BODY_STATE_TRANSFORM, get_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: {
if (area)
Physics2DServer::get_singleton()->area_set_transform(rid, get_global_transform());
else
Physics2DServer::get_singleton()->body_set_state(rid, Physics2DServer::BODY_STATE_TRANSFORM, get_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;
}
}
void CollisionObject2D::_update_shapes() {
if (!rid.is_valid())
return;
if (area)
Physics2DServer::get_singleton()->area_clear_shapes(rid);
else
Physics2DServer::get_singleton()->body_clear_shapes(rid);
for (int i = 0; i < shapes.size(); i++) {
if (shapes[i].shape.is_null())
continue;
if (area)
Physics2DServer::get_singleton()->area_add_shape(rid, shapes[i].shape->get_rid(), shapes[i].xform);
else {
Physics2DServer::get_singleton()->body_add_shape(rid, shapes[i].shape->get_rid(), shapes[i].xform);
if (shapes[i].trigger)
Physics2DServer::get_singleton()->body_set_shape_as_trigger(rid, i, shapes[i].trigger);
}
}
}
bool CollisionObject2D::_set(const StringName &p_name, const Variant &p_value) {
String name = p_name;
if (name.begins_with("shapes/")) {
int idx = name.get_slicec('/', 1).to_int();
String what = name.get_slicec('/', 2);
if (what == "shape") {
if (idx >= shapes.size())
add_shape(RefPtr(p_value));
else
set_shape(idx, RefPtr(p_value));
} else if (what == "transform")
set_shape_transform(idx, p_value);
else if (what == "trigger")
set_shape_as_trigger(idx, p_value);
} else
return false;
return true;
}
bool CollisionObject2D::_get(const StringName &p_name, Variant &r_ret) const {
String name = p_name;
if (name.begins_with("shapes/")) {
int idx = name.get_slicec('/', 1).to_int();
String what = name.get_slicec('/', 2);
if (what == "shape")
r_ret = get_shape(idx);
else if (what == "transform")
r_ret = get_shape_transform(idx);
else if (what == "trigger")
r_ret = is_shape_set_as_trigger(idx);
} else
return false;
return true;
}
void CollisionObject2D::_get_property_list(List<PropertyInfo> *p_list) const {
//p_list->push_back( PropertyInfo(Variant::INT,"shape_count",PROPERTY_HINT_RANGE,"0,256,1",PROPERTY_USAGE_NOEDITOR|PROPERTY_USAGE_NO_INSTANCE_STATE) );
for (int i = 0; i < shapes.size(); i++) {
String path = "shapes/" + itos(i) + "/";
p_list->push_back(PropertyInfo(Variant::OBJECT, path + "shape", PROPERTY_HINT_RESOURCE_TYPE, "Shape2D", PROPERTY_USAGE_NOEDITOR | PROPERTY_USAGE_NO_INSTANCE_STATE));
p_list->push_back(PropertyInfo(Variant::TRANSFORM, path + "transform", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR | PROPERTY_USAGE_NO_INSTANCE_STATE));
p_list->push_back(PropertyInfo(Variant::BOOL, path + "trigger", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR | PROPERTY_USAGE_NO_INSTANCE_STATE));
}
}
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 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_enter);
}
void CollisionObject2D::_mouse_exit() {
if (get_script_instance()) {
get_script_instance()->call(SceneStringNames::get_singleton()->_mouse_exit);
}
emit_signal(SceneStringNames::get_singleton()->mouse_exit);
}
void CollisionObject2D::_update_pickable() {
if (!is_inside_tree())
return;
bool pickable = this->pickable && is_inside_tree() && is_visible();
if (area)
Physics2DServer::get_singleton()->area_set_pickable(rid, pickable);
else
Physics2DServer::get_singleton()->body_set_pickable(rid, pickable);
}
void CollisionObject2D::_bind_methods() {
ObjectTypeDB::bind_method(_MD("add_shape", "shape:Shape2D", "transform"), &CollisionObject2D::add_shape, DEFVAL(Matrix32()));
ObjectTypeDB::bind_method(_MD("get_shape_count"), &CollisionObject2D::get_shape_count);
ObjectTypeDB::bind_method(_MD("set_shape", "shape_idx", "shape:Shape"), &CollisionObject2D::set_shape);
ObjectTypeDB::bind_method(_MD("set_shape_transform", "shape_idx", "transform"), &CollisionObject2D::set_shape_transform);
ObjectTypeDB::bind_method(_MD("set_shape_as_trigger", "shape_idx", "enable"), &CollisionObject2D::set_shape_as_trigger);
ObjectTypeDB::bind_method(_MD("get_shape:Shape2D", "shape_idx"), &CollisionObject2D::get_shape);
ObjectTypeDB::bind_method(_MD("get_shape_transform", "shape_idx"), &CollisionObject2D::get_shape_transform);
ObjectTypeDB::bind_method(_MD("is_shape_set_as_trigger", "shape_idx"), &CollisionObject2D::is_shape_set_as_trigger);
ObjectTypeDB::bind_method(_MD("remove_shape", "shape_idx"), &CollisionObject2D::remove_shape);
ObjectTypeDB::bind_method(_MD("clear_shapes"), &CollisionObject2D::clear_shapes);
ObjectTypeDB::bind_method(_MD("get_rid"), &CollisionObject2D::get_rid);
ObjectTypeDB::bind_method(_MD("set_pickable", "enabled"), &CollisionObject2D::set_pickable);
ObjectTypeDB::bind_method(_MD("is_pickable"), &CollisionObject2D::is_pickable);
BIND_VMETHOD(MethodInfo("_input_event", PropertyInfo(Variant::OBJECT, "viewport"), PropertyInfo(Variant::INPUT_EVENT, "event"), PropertyInfo(Variant::INT, "shape_idx")));
ADD_SIGNAL(MethodInfo("input_event", PropertyInfo(Variant::OBJECT, "viewport"), PropertyInfo(Variant::INPUT_EVENT, "event"), PropertyInfo(Variant::INT, "shape_idx")));
ADD_SIGNAL(MethodInfo("mouse_enter"));
ADD_SIGNAL(MethodInfo("mouse_exit"));
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "input/pickable"), _SCS("set_pickable"), _SCS("is_pickable"));
}
void CollisionObject2D::add_shape(const Ref<Shape2D> &p_shape, const Matrix32 &p_transform) {
ERR_FAIL_COND(p_shape.is_null());
ShapeData sdata;
sdata.shape = p_shape;
sdata.xform = p_transform;
sdata.trigger = false;
if (area)
Physics2DServer::get_singleton()->area_add_shape(get_rid(), p_shape->get_rid(), p_transform);
else
Physics2DServer::get_singleton()->body_add_shape(get_rid(), p_shape->get_rid(), p_transform);
shapes.push_back(sdata);
}
int CollisionObject2D::get_shape_count() const {
return shapes.size();
}
void CollisionObject2D::set_shape(int p_shape_idx, const Ref<Shape2D> &p_shape) {
ERR_FAIL_INDEX(p_shape_idx, shapes.size());
ERR_FAIL_COND(p_shape.is_null());
shapes[p_shape_idx].shape = p_shape;
if (area)
Physics2DServer::get_singleton()->area_set_shape(get_rid(), p_shape_idx, p_shape->get_rid());
else
Physics2DServer::get_singleton()->body_set_shape(get_rid(), p_shape_idx, p_shape->get_rid());
// _update_shapes();
}
void CollisionObject2D::set_shape_transform(int p_shape_idx, const Matrix32 &p_transform) {
ERR_FAIL_INDEX(p_shape_idx, shapes.size());
shapes[p_shape_idx].xform = p_transform;
if (area)
Physics2DServer::get_singleton()->area_set_shape_transform(get_rid(), p_shape_idx, p_transform);
else
Physics2DServer::get_singleton()->body_set_shape_transform(get_rid(), p_shape_idx, p_transform);
// _update_shapes();
}
Ref<Shape2D> CollisionObject2D::get_shape(int p_shape_idx) const {
ERR_FAIL_INDEX_V(p_shape_idx, shapes.size(), Ref<Shape2D>());
return shapes[p_shape_idx].shape;
}
Matrix32 CollisionObject2D::get_shape_transform(int p_shape_idx) const {
ERR_FAIL_INDEX_V(p_shape_idx, shapes.size(), Matrix32());
return shapes[p_shape_idx].xform;
}
void CollisionObject2D::remove_shape(int p_shape_idx) {
ERR_FAIL_INDEX(p_shape_idx, shapes.size());
shapes.remove(p_shape_idx);
_update_shapes();
}
void CollisionObject2D::set_shape_as_trigger(int p_shape_idx, bool p_trigger) {
ERR_FAIL_INDEX(p_shape_idx, shapes.size());
shapes[p_shape_idx].trigger = p_trigger;
if (!area && rid.is_valid()) {
Physics2DServer::get_singleton()->body_set_shape_as_trigger(rid, p_shape_idx, p_trigger);
}
}
bool CollisionObject2D::is_shape_set_as_trigger(int p_shape_idx) const {
ERR_FAIL_INDEX_V(p_shape_idx, shapes.size(), false);
return shapes[p_shape_idx].trigger;
}
void CollisionObject2D::clear_shapes() {
shapes.clear();
_update_shapes();
}
CollisionObject2D::CollisionObject2D(RID p_rid, bool p_area) {
rid = p_rid;
area = p_area;
pickable = true;
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=
}
CollisionObject2D::~CollisionObject2D() {
Physics2DServer::get_singleton()->free(rid);
}
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