619 lines
17 KiB
C++
619 lines
17 KiB
C++
/*************************************************************************/
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/* path_editor_plugin.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) 2007-2017 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2017 Godot Engine contributors (cf. AUTHORS.md) */
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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 "path_editor_plugin.h"
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#include "os/keyboard.h"
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#include "scene/resources/curve.h"
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#include "spatial_editor_plugin.h"
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#if 0
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String PathSpatialGizmo::get_handle_name(int p_idx) const {
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Ref<Curve3D> c = path->get_curve();
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if (c.is_null())
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return "";
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if (p_idx<c->get_point_count()) {
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return TTR("Curve Point #")+itos(p_idx);
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}
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p_idx=p_idx-c->get_point_count()+1;
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int idx=p_idx/2;
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int t=p_idx%2;
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String n = TTR("Curve Point #")+itos(idx);
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if (t==0)
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n+=" In";
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else
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n+=" Out";
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return n;
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}
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Variant PathSpatialGizmo::get_handle_value(int p_idx) const{
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Ref<Curve3D> c = path->get_curve();
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if (c.is_null())
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return Variant();
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if (p_idx<c->get_point_count()) {
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original=c->get_point_pos(p_idx);
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return original;
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}
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p_idx=p_idx-c->get_point_count()+1;
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int idx=p_idx/2;
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int t=p_idx%2;
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Vector3 ofs;
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if (t==0)
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ofs=c->get_point_in(idx);
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else
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ofs= c->get_point_out(idx);
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original=ofs+c->get_point_pos(idx);
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return ofs;
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}
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void PathSpatialGizmo::set_handle(int p_idx,Camera *p_camera, const Point2& p_point){
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Ref<Curve3D> c = path->get_curve();
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if (c.is_null())
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return;
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Transform gt = path->get_global_transform();
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Transform gi = gt.affine_inverse();
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Vector3 ray_from = p_camera->project_ray_origin(p_point);
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Vector3 ray_dir = p_camera->project_ray_normal(p_point);
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if (p_idx<c->get_point_count()) {
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Plane p(gt.xform(original),p_camera->get_transform().basis.get_axis(2));
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Vector3 inters;
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if (p.intersects_ray(ray_from,ray_dir,&inters)) {
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if(SpatialEditor::get_singleton()->is_snap_enabled())
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{
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float snap = SpatialEditor::get_singleton()->get_translate_snap();
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inters.snap(snap);
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}
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Vector3 local = gi.xform(inters);
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c->set_point_pos(p_idx,local);
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}
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return;
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}
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p_idx=p_idx-c->get_point_count()+1;
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int idx=p_idx/2;
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int t=p_idx%2;
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Vector3 base = c->get_point_pos(idx);
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Plane p(gt.xform(original),p_camera->get_transform().basis.get_axis(2));
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Vector3 inters;
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if (p.intersects_ray(ray_from,ray_dir,&inters)) {
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Vector3 local = gi.xform(inters)-base;
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if (t==0) {
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c->set_point_in(idx,local);
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} else {
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c->set_point_out(idx,local);
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}
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}
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}
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void PathSpatialGizmo::commit_handle(int p_idx,const Variant& p_restore,bool p_cancel){
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Ref<Curve3D> c = path->get_curve();
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if (c.is_null())
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return;
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UndoRedo *ur = SpatialEditor::get_singleton()->get_undo_redo();
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if (p_idx<c->get_point_count()) {
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if (p_cancel) {
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c->set_point_pos(p_idx,p_restore);
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return;
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}
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ur->create_action(TTR("Set Curve Point Pos"));
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ur->add_do_method(c.ptr(),"set_point_pos",p_idx,c->get_point_pos(p_idx));
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ur->add_undo_method(c.ptr(),"set_point_pos",p_idx,p_restore);
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ur->commit_action();
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return;
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}
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p_idx=p_idx-c->get_point_count()+1;
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int idx=p_idx/2;
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int t=p_idx%2;
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Vector3 ofs;
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if (p_cancel) {
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return;
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}
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if (t==0) {
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if (p_cancel) {
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c->set_point_in(p_idx,p_restore);
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return;
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}
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ur->create_action(TTR("Set Curve In Pos"));
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ur->add_do_method(c.ptr(),"set_point_in",idx,c->get_point_in(idx));
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ur->add_undo_method(c.ptr(),"set_point_in",idx,p_restore);
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ur->commit_action();
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} else {
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if (p_cancel) {
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c->set_point_out(idx,p_restore);
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return;
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}
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ur->create_action(TTR("Set Curve Out Pos"));
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ur->add_do_method(c.ptr(),"set_point_out",idx,c->get_point_out(idx));
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ur->add_undo_method(c.ptr(),"set_point_out",idx,p_restore);
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ur->commit_action();
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}
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}
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void PathSpatialGizmo::redraw(){
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clear();
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Ref<Curve3D> c = path->get_curve();
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if (c.is_null())
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return;
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Vector3Array v3a=c->tesselate();
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//Vector3Array v3a=c->get_baked_points();
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int v3s = v3a.size();
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if (v3s==0)
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return;
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Vector<Vector3> v3p;
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Vector3Array::Read r = v3a.read();
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for(int i=0;i<v3s-1;i++) {
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v3p.push_back(r[i]);
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v3p.push_back(r[i+1]);
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//v3p.push_back(r[i]);
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//v3p.push_back(r[i]+Vector3(0,0.2,0));
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}
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add_lines(v3p,PathEditorPlugin::singleton->path_material);
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add_collision_segments(v3p);
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if (PathEditorPlugin::singleton->get_edited_path()==path) {
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v3p.clear();
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Vector<Vector3> handles;
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Vector<Vector3> sec_handles;
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for(int i=0;i<c->get_point_count();i++) {
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Vector3 p = c->get_point_pos(i);
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handles.push_back(p);
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if (i>0) {
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v3p.push_back(p);
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v3p.push_back(p+c->get_point_in(i));
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sec_handles.push_back(p+c->get_point_in(i));
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}
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if (i<c->get_point_count()-1) {
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v3p.push_back(p);
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v3p.push_back(p+c->get_point_out(i));
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sec_handles.push_back(p+c->get_point_out(i));
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}
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}
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add_lines(v3p,PathEditorPlugin::singleton->path_thin_material);
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add_handles(handles);
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add_handles(sec_handles,false,true);
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}
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}
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PathSpatialGizmo::PathSpatialGizmo(Path* p_path){
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path=p_path;
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set_spatial_node(p_path);
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}
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Ref<SpatialEditorGizmo> PathEditorPlugin::create_spatial_gizmo(Spatial* p_spatial) {
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if (p_spatial->cast_to<Path>()) {
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return memnew( PathSpatialGizmo(p_spatial->cast_to<Path>()));
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}
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return Ref<SpatialEditorGizmo>();
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}
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bool PathEditorPlugin::forward_spatial_gui_input(Camera* p_camera,const InputEvent& p_event) {
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if (!path)
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return false;
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Ref<Curve3D> c=path->get_curve();
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if (c.is_null())
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return false;
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Transform gt = path->get_global_transform();
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Transform it = gt.affine_inverse();
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static const int click_dist = 10; //should make global
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if (p_event.type==InputEvent::MOUSE_BUTTON) {
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const InputEventMouseButton &mb=p_event.mouse_button;
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Point2 mbpos(mb.x,mb.y);
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if (mb.pressed && mb.button_index==BUTTON_LEFT && (curve_create->is_pressed() || (curve_edit->is_pressed() && mb.mod.control))) {
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//click into curve, break it down
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Vector3Array v3a = c->tesselate();
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int idx=0;
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int rc=v3a.size();
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int closest_seg=-1;
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Vector3 closest_seg_point;
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float closest_d=1e20;
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if (rc>=2) {
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Vector3Array::Read r = v3a.read();
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if (p_camera->unproject_position(gt.xform(c->get_point_pos(0))).distance_to(mbpos)<click_dist)
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return false; //nope, existing
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for(int i=0;i<c->get_point_count()-1;i++) {
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//find the offset and point index of the place to break up
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int j=idx;
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if (p_camera->unproject_position(gt.xform(c->get_point_pos(i+1))).distance_to(mbpos)<click_dist)
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return false; //nope, existing
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while(j<rc && c->get_point_pos(i+1)!=r[j]) {
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Vector3 from =r[j];
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Vector3 to =r[j+1];
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real_t cdist = from.distance_to(to);
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from=gt.xform(from);
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to=gt.xform(to);
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if (cdist>0) {
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Vector2 s[2];
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s[0] = p_camera->unproject_position(from);
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s[1] = p_camera->unproject_position(to);
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Vector2 inters = Geometry::get_closest_point_to_segment_2d(mbpos,s);
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float d = inters.distance_to(mbpos);
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if (d<10 && d<closest_d) {
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closest_d=d;
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closest_seg=i;
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Vector3 ray_from=p_camera->project_ray_origin(mbpos);
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Vector3 ray_dir=p_camera->project_ray_normal(mbpos);
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Vector3 ra,rb;
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Geometry::get_closest_points_between_segments(ray_from,ray_from+ray_dir*4096,from,to,ra,rb);
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closest_seg_point=it.xform(rb);
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}
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}
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j++;
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}
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if (idx==j)
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idx++; //force next
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else
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idx=j; //swap
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if (j==rc)
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break;
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}
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}
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UndoRedo *ur = editor->get_undo_redo();
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if (closest_seg!=-1) {
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//subdivide
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ur->create_action(TTR("Split Path"));
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ur->add_do_method(c.ptr(),"add_point",closest_seg_point,Vector3(),Vector3(),closest_seg+1);
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ur->add_undo_method(c.ptr(),"remove_point",closest_seg+1);
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ur->commit_action();
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return true;
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} else {
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Vector3 org;
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if (c->get_point_count()==0)
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org=path->get_transform().get_origin();
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else
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org=gt.xform(c->get_point_pos(c->get_point_count()));
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Plane p(org,p_camera->get_transform().basis.get_axis(2));
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Vector3 ray_from=p_camera->project_ray_origin(mbpos);
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Vector3 ray_dir=p_camera->project_ray_normal(mbpos);
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Vector3 inters;
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if (p.intersects_ray(ray_from,ray_dir,&inters)) {
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ur->create_action(TTR("Add Point to Curve"));
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ur->add_do_method(c.ptr(),"add_point",it.xform(inters),Vector3(),Vector3(),-1);
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ur->add_undo_method(c.ptr(),"remove_point",c->get_point_count());
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ur->commit_action();
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return true;
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}
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//add new at pos
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}
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} else if (mb.pressed && ((mb.button_index==BUTTON_LEFT && curve_del->is_pressed()) || (mb.button_index==BUTTON_RIGHT && curve_edit->is_pressed()))) {
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for(int i=0;i<c->get_point_count();i++) {
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real_t dist_to_p = p_camera->unproject_position(gt.xform(c->get_point_pos(i))).distance_to(mbpos);
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real_t dist_to_p_out = p_camera->unproject_position(gt.xform(c->get_point_pos(i) + c->get_point_out(i))).distance_to(mbpos);
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real_t dist_to_p_in = p_camera->unproject_position(gt.xform(c->get_point_pos(i) + c->get_point_in(i))).distance_to(mbpos);
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// Find the offset and point index of the place to break up.
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// Also check for the control points.
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if (dist_to_p < click_dist) {
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UndoRedo *ur = editor->get_undo_redo();
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ur->create_action(TTR("Remove Path Point"));
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ur->add_do_method(c.ptr(),"remove_point",i);
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ur->add_undo_method(c.ptr(),"add_point",c->get_point_pos(i),c->get_point_in(i),c->get_point_out(i),i);
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ur->commit_action();
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return true;
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} else if (dist_to_p_out < click_dist) {
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UndoRedo *ur = editor->get_undo_redo();
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ur->create_action(TTR("Remove Out-Control Point"));
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ur->add_do_method(c.ptr(),"set_point_out",i,Vector3());
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ur->add_undo_method(c.ptr(),"set_point_out",i,c->get_point_out(i));
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ur->commit_action();
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return true;
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} else if (dist_to_p_in < click_dist) {
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UndoRedo *ur = editor->get_undo_redo();
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ur->create_action(TTR("Remove In-Control Point"));
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ur->add_do_method(c.ptr(),"set_point_in",i,Vector3());
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ur->add_undo_method(c.ptr(),"set_point_in",i,c->get_point_in(i));
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ur->commit_action();
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return true;
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}
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}
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}
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}
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return false;
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}
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void PathEditorPlugin::edit(Object *p_object) {
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if (p_object) {
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path=p_object->cast_to<Path>();
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if (path) {
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if (path->get_curve().is_valid()) {
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path->get_curve()->emit_signal("changed");
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}
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}
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} else {
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Path *pre=path;
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path=NULL;
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if (pre) {
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pre->get_curve()->emit_signal("changed");
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}
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}
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//collision_polygon_editor->edit(p_object->cast_to<Node>());
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}
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bool PathEditorPlugin::handles(Object *p_object) const {
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return p_object->is_type("Path");
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}
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void PathEditorPlugin::make_visible(bool p_visible) {
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if (p_visible) {
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curve_create->show();
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curve_edit->show();
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curve_del->show();
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curve_close->show();
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sep->show();
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} else {
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curve_create->hide();
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curve_edit->hide();
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curve_del->hide();
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curve_close->hide();
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sep->hide();
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{
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Path *pre=path;
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path=NULL;
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if (pre && pre->get_curve().is_valid()) {
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pre->get_curve()->emit_signal("changed");
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}
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}
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}
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}
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void PathEditorPlugin::_mode_changed(int p_idx) {
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curve_create->set_pressed(p_idx==0);
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curve_edit->set_pressed(p_idx==1);
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curve_del->set_pressed(p_idx==2);
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}
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void PathEditorPlugin::_close_curve() {
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Ref<Curve3D> c = path->get_curve();
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if (c.is_null())
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return ;
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if (c->get_point_count()<2)
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return;
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c->add_point(c->get_point_pos(0),c->get_point_in(0),c->get_point_out(0));
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}
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void PathEditorPlugin::_notification(int p_what) {
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if (p_what==NOTIFICATION_ENTER_TREE) {
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curve_create->connect("pressed",this,"_mode_changed",make_binds(0));
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curve_edit->connect("pressed",this,"_mode_changed",make_binds(1));
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curve_del->connect("pressed",this,"_mode_changed",make_binds(2));
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curve_close->connect("pressed",this,"_close_curve");
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}
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}
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void PathEditorPlugin::_bind_methods() {
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ClassDB::bind_method(D_METHOD("_mode_changed"),&PathEditorPlugin::_mode_changed);
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ClassDB::bind_method(D_METHOD("_close_curve"),&PathEditorPlugin::_close_curve);
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}
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PathEditorPlugin* PathEditorPlugin::singleton=NULL;
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PathEditorPlugin::PathEditorPlugin(EditorNode *p_node) {
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path=NULL;
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editor=p_node;
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singleton=this;
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path_material = Ref<SpatialMaterial>( memnew( SpatialMaterial ));
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path_material->set_parameter( SpatialMaterial::PARAM_DIFFUSE,Color(0.5,0.5,1.0,0.8) );
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path_material->set_fixed_flag(SpatialMaterial::FLAG_USE_ALPHA, true);
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path_material->set_line_width(3);
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path_material->set_flag(Material::FLAG_DOUBLE_SIDED,true);
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path_material->set_flag(Material::FLAG_UNSHADED,true);
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path_thin_material = Ref<SpatialMaterial>( memnew( SpatialMaterial ));
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path_thin_material->set_parameter( SpatialMaterial::PARAM_DIFFUSE,Color(0.5,0.5,1.0,0.4) );
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path_thin_material->set_fixed_flag(SpatialMaterial::FLAG_USE_ALPHA, true);
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path_thin_material->set_line_width(1);
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path_thin_material->set_flag(Material::FLAG_DOUBLE_SIDED,true);
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path_thin_material->set_flag(Material::FLAG_UNSHADED,true);
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//SpatialEditor::get_singleton()->add_gizmo_plugin(this);
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sep = memnew( VSeparator);
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sep->hide();
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SpatialEditor::get_singleton()->add_control_to_menu_panel(sep);
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curve_edit = memnew( ToolButton );
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curve_edit->set_icon(EditorNode::get_singleton()->get_gui_base()->get_icon("CurveEdit","EditorIcons"));
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curve_edit->set_toggle_mode(true);
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curve_edit->hide();
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curve_edit->set_focus_mode(Control::FOCUS_NONE);
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curve_edit->set_tooltip(TTR("Select Points")+"\n"+TTR("Shift+Drag: Select Control Points")+"\n"+keycode_get_string(KEY_MASK_CMD)+TTR("Click: Add Point")+"\n"+TTR("Right Click: Delete Point"));
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SpatialEditor::get_singleton()->add_control_to_menu_panel(curve_edit);
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curve_create = memnew( ToolButton );
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curve_create->set_icon(EditorNode::get_singleton()->get_gui_base()->get_icon("CurveCreate","EditorIcons"));
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curve_create->set_toggle_mode(true);
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curve_create->hide();
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curve_create->set_focus_mode(Control::FOCUS_NONE);
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curve_create->set_tooltip(TTR("Add Point (in empty space)")+"\n"+TTR("Split Segment (in curve)"));
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SpatialEditor::get_singleton()->add_control_to_menu_panel(curve_create);
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curve_del = memnew( ToolButton );
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curve_del->set_icon(EditorNode::get_singleton()->get_gui_base()->get_icon("CurveDelete","EditorIcons"));
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curve_del->set_toggle_mode(true);
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curve_del->hide();
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curve_del->set_focus_mode(Control::FOCUS_NONE);
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curve_del->set_tooltip(TTR("Delete Point"));
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SpatialEditor::get_singleton()->add_control_to_menu_panel(curve_del);
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curve_close = memnew( ToolButton );
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curve_close->set_icon(EditorNode::get_singleton()->get_gui_base()->get_icon("CurveClose","EditorIcons"));
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curve_close->hide();
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curve_close->set_focus_mode(Control::FOCUS_NONE);
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curve_close->set_tooltip(TTR("Close Curve"));
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SpatialEditor::get_singleton()->add_control_to_menu_panel(curve_close);
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curve_edit->set_pressed(true);
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/*
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collision_polygon_editor = memnew( PathEditor(p_node) );
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editor->get_viewport()->add_child(collision_polygon_editor);
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collision_polygon_editor->set_margin(MARGIN_LEFT,200);
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collision_polygon_editor->set_margin(MARGIN_RIGHT,230);
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collision_polygon_editor->set_margin(MARGIN_TOP,0);
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collision_polygon_editor->set_margin(MARGIN_BOTTOM,10);
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collision_polygon_editor->hide();
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*/
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}
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PathEditorPlugin::~PathEditorPlugin()
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{
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}
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#endif
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