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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 */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
/* */
/* 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 "servers/physics_2d_server.h"
#include "scene/scene_string_names.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_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::_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);
}
void CollisionObject2D::_bind_methods() {
ClassDB::bind_method(D_METHOD("add_shape","shape:Shape2D","transform"),&CollisionObject2D::add_shape,DEFVAL(Transform2D()));
ClassDB::bind_method(D_METHOD("get_shape_count"),&CollisionObject2D::get_shape_count);
ClassDB::bind_method(D_METHOD("set_shape","shape_idx","shape:Shape"),&CollisionObject2D::set_shape);
ClassDB::bind_method(D_METHOD("set_shape_transform","shape_idx","transform"),&CollisionObject2D::set_shape_transform);
ClassDB::bind_method(D_METHOD("set_shape_as_trigger","shape_idx","enable"),&CollisionObject2D::set_shape_as_trigger);
ClassDB::bind_method(D_METHOD("get_shape:Shape2D","shape_idx"),&CollisionObject2D::get_shape);
ClassDB::bind_method(D_METHOD("get_shape_transform","shape_idx"),&CollisionObject2D::get_shape_transform);
ClassDB::bind_method(D_METHOD("is_shape_set_as_trigger","shape_idx"),&CollisionObject2D::is_shape_set_as_trigger);
ClassDB::bind_method(D_METHOD("remove_shape","shape_idx"),&CollisionObject2D::remove_shape);
ClassDB::bind_method(D_METHOD("clear_shapes"),&CollisionObject2D::clear_shapes);
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);
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_entered"));
ADD_SIGNAL( MethodInfo("mouse_exited"));
ADD_GROUP("Pickable","input_");
ADD_PROPERTY( PropertyInfo(Variant::BOOL,"input_pickable"),"set_pickable","is_pickable");
ADD_GROUP("","");
}
void CollisionObject2D::add_shape(const Ref<Shape2D>& p_shape, const Transform2D& 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 Transform2D& 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;
}
Transform2D CollisionObject2D::get_shape_transform(int p_shape_idx) const {
ERR_FAIL_INDEX_V(p_shape_idx,shapes.size(),Transform2D());
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;
set_notify_transform(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=
set_notify_transform(true);
}
CollisionObject2D::~CollisionObject2D() {
Physics2DServer::get_singleton()->free(rid);
}
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