234 lines
7.1 KiB
C++
234 lines
7.1 KiB
C++
/*************************************************************************/
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/* collision_shape_2d.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* http://www.godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2016 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "collision_shape_2d.h"
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#include "collision_object_2d.h"
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#include "scene/resources/segment_shape_2d.h"
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#include "scene/resources/shape_line_2d.h"
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#include "scene/resources/circle_shape_2d.h"
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#include "scene/resources/rectangle_shape_2d.h"
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#include "scene/resources/capsule_shape_2d.h"
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#include "scene/resources/convex_polygon_shape_2d.h"
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#include "scene/resources/concave_polygon_shape_2d.h"
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void CollisionShape2D::_add_to_collision_object(Object *p_obj) {
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if (unparenting)
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return;
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CollisionObject2D *co = p_obj->cast_to<CollisionObject2D>();
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ERR_FAIL_COND(!co);
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update_shape_index=co->get_shape_count();
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co->add_shape(shape,get_transform());
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if (trigger)
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co->set_shape_as_trigger(co->get_shape_count()-1,true);
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}
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void CollisionShape2D::_shape_changed() {
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update();
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_update_parent();
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}
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void CollisionShape2D::_update_parent() {
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Node *parent = get_parent();
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if (!parent)
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return;
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CollisionObject2D *co = parent->cast_to<CollisionObject2D>();
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if (!co)
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return;
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co->_update_shapes_from_children();
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}
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void CollisionShape2D::_notification(int p_what) {
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switch(p_what) {
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case NOTIFICATION_ENTER_TREE: {
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unparenting=false;
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can_update_body=get_tree()->is_editor_hint();
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if (!get_tree()->is_editor_hint()) {
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//display above all else
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set_z_as_relative(false);
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set_z(VS::CANVAS_ITEM_Z_MAX-1);
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}
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} break;
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case NOTIFICATION_LOCAL_TRANSFORM_CHANGED: {
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if (!is_inside_tree())
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break;
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if (can_update_body) {
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_update_parent();
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} else if (update_shape_index>=0){
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CollisionObject2D *co = get_parent()->cast_to<CollisionObject2D>();
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if (co) {
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co->set_shape_transform(update_shape_index,get_transform());
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}
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}
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} break;
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case NOTIFICATION_EXIT_TREE: {
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can_update_body=false;
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} break;
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/*
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case NOTIFICATION_TRANSFORM_CHANGED: {
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if (!is_inside_scene())
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break;
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_update_parent();
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} break;*/
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case NOTIFICATION_DRAW: {
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if (!get_tree()->is_editor_hint() && !get_tree()->is_debugging_collisions_hint()) {
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break;
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}
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if (!shape.is_valid()) {
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break;
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}
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rect=Rect2();
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Color draw_col=get_tree()->get_debug_collisions_color();
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shape->draw(get_canvas_item(),draw_col);
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rect=shape->get_rect();
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rect=rect.grow(3);
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} break;
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case NOTIFICATION_UNPARENTED: {
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unparenting = true;
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_update_parent();
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} break;
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}
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}
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void CollisionShape2D::set_shape(const Ref<Shape2D>& p_shape) {
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if (shape.is_valid())
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shape->disconnect("changed",this,"_shape_changed");
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shape=p_shape;
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update();
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if (is_inside_tree() && can_update_body)
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_update_parent();
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if (is_inside_tree() && !can_update_body && update_shape_index>=0) {
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CollisionObject2D *co = get_parent()->cast_to<CollisionObject2D>();
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if (co) {
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co->set_shape(update_shape_index,p_shape);
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}
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}
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if (shape.is_valid())
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shape->connect("changed",this,"_shape_changed");
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}
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Ref<Shape2D> CollisionShape2D::get_shape() const {
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return shape;
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}
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Rect2 CollisionShape2D::get_item_rect() const {
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return rect;
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}
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void CollisionShape2D::set_trigger(bool p_trigger) {
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trigger=p_trigger;
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if (can_update_body) {
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_update_parent();
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} else if (is_inside_tree() && update_shape_index>=0){
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CollisionObject2D *co = get_parent()->cast_to<CollisionObject2D>();
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if (co) {
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co->set_shape_as_trigger(update_shape_index,p_trigger);
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}
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}
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}
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bool CollisionShape2D::is_trigger() const{
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return trigger;
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}
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void CollisionShape2D::_set_update_shape_index(int p_index) {
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update_shape_index=p_index;
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}
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int CollisionShape2D::_get_update_shape_index() const{
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return update_shape_index;
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}
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void CollisionShape2D::_bind_methods() {
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ObjectTypeDB::bind_method(_MD("set_shape","shape"),&CollisionShape2D::set_shape);
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ObjectTypeDB::bind_method(_MD("get_shape"),&CollisionShape2D::get_shape);
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ObjectTypeDB::bind_method(_MD("_shape_changed"),&CollisionShape2D::_shape_changed);
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ObjectTypeDB::bind_method(_MD("_add_to_collision_object"),&CollisionShape2D::_add_to_collision_object);
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ObjectTypeDB::bind_method(_MD("set_trigger","enable"),&CollisionShape2D::set_trigger);
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ObjectTypeDB::bind_method(_MD("is_trigger"),&CollisionShape2D::is_trigger);
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ObjectTypeDB::bind_method(_MD("_set_update_shape_index","index"),&CollisionShape2D::_set_update_shape_index);
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ObjectTypeDB::bind_method(_MD("_get_update_shape_index"),&CollisionShape2D::_get_update_shape_index);
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ObjectTypeDB::bind_method(_MD("get_collision_object_shape_index"),&CollisionShape2D::get_collision_object_shape_index);
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ADD_PROPERTYNZ(PropertyInfo(Variant::OBJECT,"shape",PROPERTY_HINT_RESOURCE_TYPE,"Shape2D"),_SCS("set_shape"),_SCS("get_shape"));
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ADD_PROPERTY(PropertyInfo(Variant::BOOL,"trigger"),_SCS("set_trigger"),_SCS("is_trigger"));
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ADD_PROPERTY( PropertyInfo( Variant::INT, "_update_shape_index", PROPERTY_HINT_NONE, "",PROPERTY_USAGE_NOEDITOR), _SCS("_set_update_shape_index"), _SCS("_get_update_shape_index"));
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}
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CollisionShape2D::CollisionShape2D() {
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rect=Rect2(-Point2(10,10),Point2(20,20));
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set_notify_local_transform(true);
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trigger=false;
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unparenting = false;
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can_update_body = false;
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update_shape_index=-1;
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}
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