422 lines
11 KiB
C++
422 lines
11 KiB
C++
/*************************************************************************/
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/* node_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) 2007-2015 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 "node_2d.h"
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#include "servers/visual_server.h"
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#include "scene/gui/control.h"
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#include "scene/main/viewport.h"
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#include "message_queue.h"
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void Node2D::edit_set_pivot(const Point2& p_pivot) {
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}
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Point2 Node2D::edit_get_pivot() const {
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return Point2();
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}
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bool Node2D::edit_has_pivot() const {
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return false;
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}
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Variant Node2D::edit_get_state() const {
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Array state;
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state.push_back(get_pos());
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state.push_back(get_rot());
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state.push_back(get_scale());
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return state;
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}
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void Node2D::edit_set_state(const Variant& p_state) {
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Array state = p_state;
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ERR_FAIL_COND( state.size() != 3);
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pos = state[0];
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angle = state[1];
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_scale = state[2];
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_update_transform();
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_change_notify("transform/rot");
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_change_notify("transform/scale");
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_change_notify("transform/pos");
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}
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void Node2D::edit_set_rect(const Rect2& p_edit_rect) {
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Rect2 r = get_item_rect();
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Vector2 zero_offset;
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if (r.size.x!=0)
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zero_offset.x = -r.pos.x / r.size.x;
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if (r.size.y!=0)
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zero_offset.y = -r.pos.y / r.size.y;
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Size2 new_scale(1,1);
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if (r.size.x!=0)
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new_scale.x = p_edit_rect.size.x / r.size.x;
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if (r.size.y!=0)
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new_scale.y = p_edit_rect.size.y / r.size.y;
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Point2 new_pos = p_edit_rect.pos + p_edit_rect.size*zero_offset;//p_edit_rect.pos - r.pos;
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Matrix32 postxf;
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postxf.set_rotation_and_scale(angle,_scale);
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new_pos = postxf.xform(new_pos);
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pos+=new_pos;
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_scale*=new_scale;
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_update_transform();
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_change_notify("transform/scale");
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_change_notify("transform/pos");
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}
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void Node2D::edit_rotate(float p_rot) {
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angle+=p_rot;
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_update_transform();
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_change_notify("transform/rot");
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}
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void Node2D::_update_xform_values() {
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pos=_mat.elements[2];
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angle=_mat.get_rotation();
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_scale=_mat.get_scale();
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_xform_dirty=false;
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}
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void Node2D::_update_transform() {
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Matrix32 mat(angle,pos);
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_mat.set_rotation_and_scale(angle,_scale);
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_mat.elements[2]=pos;
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VisualServer::get_singleton()->canvas_item_set_transform(get_canvas_item(),_mat);
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if (!is_inside_tree())
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return;
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_notify_transform();
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}
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void Node2D::set_pos(const Point2& p_pos) {
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if (_xform_dirty)
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((Node2D*)this)->_update_xform_values();
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pos=p_pos;
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_update_transform();
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_change_notify("transform/pos");
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}
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void Node2D::set_rot(float p_angle) {
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if (_xform_dirty)
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((Node2D*)this)->_update_xform_values();
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angle=p_angle;
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_update_transform();
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_change_notify("transform/rot");
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}
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void Node2D::set_scale(const Size2& p_scale) {
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if (_xform_dirty)
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((Node2D*)this)->_update_xform_values();
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_scale=p_scale;
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if (_scale.x==0)
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_scale.x=CMP_EPSILON;
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if (_scale.y==0)
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_scale.y=CMP_EPSILON;
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_update_transform();
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_change_notify("transform/scale");
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}
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Point2 Node2D::get_pos() const {
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if (_xform_dirty)
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((Node2D*)this)->_update_xform_values();
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return pos;
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}
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float Node2D::get_rot() const {
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if (_xform_dirty)
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((Node2D*)this)->_update_xform_values();
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return angle;
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}
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Size2 Node2D::get_scale() const {
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if (_xform_dirty)
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((Node2D*)this)->_update_xform_values();
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return _scale;
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}
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void Node2D::_set_rotd(float p_angle) {
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set_rot(Math::deg2rad(p_angle));
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}
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float Node2D::_get_rotd() const {
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return Math::rad2deg(get_rot());
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}
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void Node2D::_notification(int p_what) {
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switch(p_what) {
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}
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}
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Matrix32 Node2D::get_transform() const {
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return _mat;
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}
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Rect2 Node2D::get_item_rect() const {
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if (get_script_instance()) {
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Variant::CallError err;
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Rect2 r = get_script_instance()->call("_get_item_rect",NULL,0,err);
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if (err.error==Variant::CallError::CALL_OK)
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return r;
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}
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return Rect2(Point2(-32,-32),Size2(64,64));
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}
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void Node2D::rotate(float p_radians) {
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set_rot( get_rot() + p_radians);
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}
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void Node2D::translate(const Vector2& p_amount) {
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set_pos( get_pos() + p_amount );
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}
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void Node2D::global_translate(const Vector2& p_amount) {
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set_global_pos( get_global_pos() + p_amount );
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}
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void Node2D::scale(const Vector2& p_amount) {
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set_scale( get_scale() * p_amount );
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}
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void Node2D::move_x(float p_delta,bool p_scaled){
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Matrix32 t = get_transform();
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Vector2 m = t[0];
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if (!p_scaled)
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m.normalize();
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set_pos(t[2]+m*p_delta);
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}
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void Node2D::move_y(float p_delta,bool p_scaled){
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Matrix32 t = get_transform();
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Vector2 m = t[1];
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if (!p_scaled)
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m.normalize();
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set_pos(t[2]+m*p_delta);
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}
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Point2 Node2D::get_global_pos() const {
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return get_global_transform().get_origin();
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}
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void Node2D::set_global_pos(const Point2& p_pos) {
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Matrix32 inv;
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CanvasItem *pi = get_parent_item();
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if (pi) {
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inv = pi->get_global_transform().affine_inverse();
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set_pos(inv.xform(p_pos));
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} else {
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set_pos(p_pos);
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}
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}
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void Node2D::set_transform(const Matrix32& p_transform) {
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_mat=p_transform;
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_xform_dirty=true;
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VisualServer::get_singleton()->canvas_item_set_transform(get_canvas_item(),_mat);
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if (!is_inside_tree())
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return;
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_notify_transform();
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}
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void Node2D::set_global_transform(const Matrix32& p_transform) {
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CanvasItem *pi = get_parent_item();
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if (pi)
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set_transform( pi->get_global_transform().affine_inverse() * p_transform);
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else
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set_transform(p_transform);
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}
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void Node2D::set_z(int p_z) {
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ERR_FAIL_COND(p_z<VS::CANVAS_ITEM_Z_MIN);
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ERR_FAIL_COND(p_z>VS::CANVAS_ITEM_Z_MAX);
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z=p_z;
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VS::get_singleton()->canvas_item_set_z(get_canvas_item(),z);
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}
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void Node2D::set_z_as_relative(bool p_enabled) {
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if (z_relative==p_enabled)
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return;
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z_relative=p_enabled;
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VS::get_singleton()->canvas_item_set_z_as_relative_to_parent(get_canvas_item(),p_enabled);
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}
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bool Node2D::is_z_relative() const {
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return z_relative;
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}
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int Node2D::get_z() const{
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return z;
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}
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Matrix32 Node2D::get_relative_transform(const Node *p_parent) const {
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if (p_parent==this)
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return Matrix32();
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Node2D *parent_2d = get_parent()->cast_to<Node2D>();
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ERR_FAIL_COND_V(!parent_2d,Matrix32());
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if (p_parent==parent_2d)
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return get_transform();
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else
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return parent_2d->get_relative_transform(p_parent) * get_transform();
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}
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void Node2D::look_at(const Vector2& p_pos) {
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rotate(get_angle_to(p_pos));
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}
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float Node2D::get_angle_to(const Vector2& p_pos) const {
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return (get_global_transform().affine_inverse().xform(p_pos)).atan2();
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}
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void Node2D::_bind_methods() {
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ObjectTypeDB::bind_method(_MD("_get_rotd"),&Node2D::_get_rotd);
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ObjectTypeDB::bind_method(_MD("_set_rotd"),&Node2D::_set_rotd);
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ObjectTypeDB::bind_method(_MD("set_pos","pos"),&Node2D::set_pos);
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ObjectTypeDB::bind_method(_MD("set_rot","rot"),&Node2D::set_rot);
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ObjectTypeDB::bind_method(_MD("set_scale","scale"),&Node2D::set_scale);
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ObjectTypeDB::bind_method(_MD("get_pos"),&Node2D::get_pos);
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ObjectTypeDB::bind_method(_MD("get_rot"),&Node2D::get_rot);
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ObjectTypeDB::bind_method(_MD("get_scale"),&Node2D::get_scale);
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ObjectTypeDB::bind_method(_MD("rotate","radians"),&Node2D::rotate);
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ObjectTypeDB::bind_method(_MD("move_local_x","delta","scaled"),&Node2D::move_x,DEFVAL(false));
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ObjectTypeDB::bind_method(_MD("move_local_y","delta","scaled"),&Node2D::move_y,DEFVAL(false));
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ObjectTypeDB::bind_method(_MD("translate","offset"),&Node2D::translate);
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ObjectTypeDB::bind_method(_MD("global_translate","offset"),&Node2D::global_translate);
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ObjectTypeDB::bind_method(_MD("scale","ratio"),&Node2D::scale);
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ObjectTypeDB::bind_method(_MD("set_global_pos","pos"),&Node2D::set_global_pos);
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ObjectTypeDB::bind_method(_MD("get_global_pos"),&Node2D::get_global_pos);
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ObjectTypeDB::bind_method(_MD("set_transform","xform"),&Node2D::set_transform);
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ObjectTypeDB::bind_method(_MD("set_global_transform","xform"),&Node2D::set_global_transform);
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ObjectTypeDB::bind_method(_MD("look_at","point"),&Node2D::look_at);
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ObjectTypeDB::bind_method(_MD("get_angle_to","point"),&Node2D::get_angle_to);
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ObjectTypeDB::bind_method(_MD("set_z","z"),&Node2D::set_z);
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ObjectTypeDB::bind_method(_MD("get_z"),&Node2D::get_z);
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ObjectTypeDB::bind_method(_MD("set_z_as_relative","enable"),&Node2D::set_z_as_relative);
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ObjectTypeDB::bind_method(_MD("is_z_relative"),&Node2D::is_z_relative);
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ObjectTypeDB::bind_method(_MD("edit_set_pivot"),&Node2D::edit_set_pivot);
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ObjectTypeDB::bind_method(_MD("get_relative_transform"),&Node2D::get_relative_transform);
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ADD_PROPERTY(PropertyInfo(Variant::VECTOR2,"transform/pos"),_SCS("set_pos"),_SCS("get_pos"));
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ADD_PROPERTY(PropertyInfo(Variant::REAL,"transform/rot",PROPERTY_HINT_RANGE,"-1440,1440,0.1"),_SCS("_set_rotd"),_SCS("_get_rotd"));
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ADD_PROPERTY(PropertyInfo(Variant::VECTOR2,"transform/scale"),_SCS("set_scale"),_SCS("get_scale"));
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ADD_PROPERTY(PropertyInfo(Variant::INT,"z/z",PROPERTY_HINT_RANGE,itos(VS::CANVAS_ITEM_Z_MIN)+","+itos(VS::CANVAS_ITEM_Z_MAX)+",1"),_SCS("set_z"),_SCS("get_z"));
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ADD_PROPERTY(PropertyInfo(Variant::BOOL,"z/relative"),_SCS("set_z_as_relative"),_SCS("is_z_relative"));
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}
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Node2D::Node2D() {
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angle=0;
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_scale=Vector2(1,1);
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_xform_dirty=false;
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z=0;
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z_relative=true;
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}
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