godot/tools/editor/plugins/path_editor_plugin.cpp
Rémi Verschelde 94c34ff890 i18n: Proofreading of all strings
Done to ensure that no important identifiers are translatable,
to fix compound strings using the new vformat() function, and
some general English proofreading here and there.
2016-05-21 00:21:57 +02:00

596 lines
16 KiB
C++

/*************************************************************************/
/* path_editor_plugin.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2016 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 "path_editor_plugin.h"
#include "spatial_editor_plugin.h"
#include "scene/resources/curve.h"
#include "os/keyboard.h"
String PathSpatialGizmo::get_handle_name(int p_idx) const {
Ref<Curve3D> c = path->get_curve();
if (c.is_null())
return "";
if (p_idx<c->get_point_count()) {
return TTR("Curve Point #")+itos(p_idx);
}
p_idx=p_idx-c->get_point_count()+1;
int idx=p_idx/2;
int t=p_idx%2;
String n = TTR("Curve Point #")+itos(idx);
if (t==0)
n+=" In";
else
n+=" Out";
return n;
}
Variant PathSpatialGizmo::get_handle_value(int p_idx) const{
Ref<Curve3D> c = path->get_curve();
if (c.is_null())
return Variant();
if (p_idx<c->get_point_count()) {
original=c->get_point_pos(p_idx);
return original;
}
p_idx=p_idx-c->get_point_count()+1;
int idx=p_idx/2;
int t=p_idx%2;
Vector3 ofs;
if (t==0)
ofs=c->get_point_in(idx);
else
ofs= c->get_point_out(idx);
original=ofs+c->get_point_pos(idx);
return ofs;
}
void PathSpatialGizmo::set_handle(int p_idx,Camera *p_camera, const Point2& p_point){
Ref<Curve3D> c = path->get_curve();
if (c.is_null())
return;
Transform gt = path->get_global_transform();
Transform gi = gt.affine_inverse();
Vector3 ray_from = p_camera->project_ray_origin(p_point);
Vector3 ray_dir = p_camera->project_ray_normal(p_point);
if (p_idx<c->get_point_count()) {
Plane p(gt.xform(original),p_camera->get_transform().basis.get_axis(2));
Vector3 inters;
if (p.intersects_ray(ray_from,ray_dir,&inters)) {
Vector3 local = gi.xform(inters);
c->set_point_pos(p_idx,local);
}
return;
}
p_idx=p_idx-c->get_point_count()+1;
int idx=p_idx/2;
int t=p_idx%2;
Vector3 base = c->get_point_pos(idx);
Plane p(gt.xform(original),p_camera->get_transform().basis.get_axis(2));
Vector3 inters;
if (p.intersects_ray(ray_from,ray_dir,&inters)) {
Vector3 local = gi.xform(inters)-base;
if (t==0) {
c->set_point_in(idx,local);
} else {
c->set_point_out(idx,local);
}
}
}
void PathSpatialGizmo::commit_handle(int p_idx,const Variant& p_restore,bool p_cancel){
Ref<Curve3D> c = path->get_curve();
if (c.is_null())
return;
UndoRedo *ur = SpatialEditor::get_singleton()->get_undo_redo();
if (p_idx<c->get_point_count()) {
if (p_cancel) {
c->set_point_pos(p_idx,p_restore);
return;
}
ur->create_action(TTR("Set Curve Point Pos"));
ur->add_do_method(c.ptr(),"set_point_pos",p_idx,c->get_point_pos(p_idx));
ur->add_undo_method(c.ptr(),"set_point_pos",p_idx,p_restore);
ur->commit_action();
return;
}
p_idx=p_idx-c->get_point_count()+1;
int idx=p_idx/2;
int t=p_idx%2;
Vector3 ofs;
if (p_cancel) {
return;
}
if (t==0) {
if (p_cancel) {
c->set_point_in(p_idx,p_restore);
return;
}
ur->create_action(TTR("Set Curve In Pos"));
ur->add_do_method(c.ptr(),"set_point_in",idx,c->get_point_in(idx));
ur->add_undo_method(c.ptr(),"set_point_in",idx,p_restore);
ur->commit_action();
} else {
if (p_cancel) {
c->set_point_out(idx,p_restore);
return;
}
ur->create_action(TTR("Set Curve Out Pos"));
ur->add_do_method(c.ptr(),"set_point_out",idx,c->get_point_out(idx));
ur->add_undo_method(c.ptr(),"set_point_out",idx,p_restore);
ur->commit_action();
}
}
void PathSpatialGizmo::redraw(){
clear();
Ref<Curve3D> c = path->get_curve();
if (c.is_null())
return;
Vector3Array v3a=c->tesselate();
//Vector3Array v3a=c->get_baked_points();
int v3s = v3a.size();
if (v3s==0)
return;
Vector<Vector3> v3p;
Vector3Array::Read r = v3a.read();
for(int i=0;i<v3s-1;i++) {
v3p.push_back(r[i]);
v3p.push_back(r[i+1]);
//v3p.push_back(r[i]);
//v3p.push_back(r[i]+Vector3(0,0.2,0));
}
add_lines(v3p,PathEditorPlugin::singleton->path_material);
add_collision_segments(v3p);
if (PathEditorPlugin::singleton->get_edited_path()==path) {
v3p.clear();
Vector<Vector3> handles;
Vector<Vector3> sec_handles;
for(int i=0;i<c->get_point_count();i++) {
Vector3 p = c->get_point_pos(i);
handles.push_back(p);
if (i>0) {
v3p.push_back(p);
v3p.push_back(p+c->get_point_in(i));
sec_handles.push_back(p+c->get_point_in(i));
}
if (i<c->get_point_count()-1) {
v3p.push_back(p);
v3p.push_back(p+c->get_point_out(i));
sec_handles.push_back(p+c->get_point_out(i));
}
}
add_lines(v3p,PathEditorPlugin::singleton->path_thin_material);
add_handles(handles);
add_handles(sec_handles,false,true);
}
}
PathSpatialGizmo::PathSpatialGizmo(Path* p_path){
path=p_path;
set_spatial_node(p_path);
}
Ref<SpatialEditorGizmo> PathEditorPlugin::create_spatial_gizmo(Spatial* p_spatial) {
if (p_spatial->cast_to<Path>()) {
return memnew( PathSpatialGizmo(p_spatial->cast_to<Path>()));
}
return Ref<SpatialEditorGizmo>();
}
bool PathEditorPlugin::forward_spatial_input_event(Camera* p_camera,const InputEvent& p_event) {
if (!path)
return false;
Ref<Curve3D> c=path->get_curve();
if (c.is_null())
return false;
Transform gt = path->get_global_transform();
Transform it = gt.affine_inverse();
static const int click_dist = 10; //should make global
if (p_event.type==InputEvent::MOUSE_BUTTON) {
const InputEventMouseButton &mb=p_event.mouse_button;
Point2 mbpos(mb.x,mb.y);
if (mb.pressed && mb.button_index==BUTTON_LEFT && (curve_create->is_pressed() || (curve_edit->is_pressed() && mb.mod.control))) {
//click into curve, break it down
Vector3Array v3a = c->tesselate();
int idx=0;
int rc=v3a.size();
int closest_seg=-1;
Vector3 closest_seg_point;
float closest_d=1e20;
if (rc>=2) {
Vector3Array::Read r = v3a.read();
if (p_camera->unproject_position(gt.xform(c->get_point_pos(0))).distance_to(mbpos)<click_dist)
return false; //nope, existing
for(int i=0;i<c->get_point_count()-1;i++) {
//find the offset and point index of the place to break up
int j=idx;
if (p_camera->unproject_position(gt.xform(c->get_point_pos(i+1))).distance_to(mbpos)<click_dist)
return false; //nope, existing
while(j<rc && c->get_point_pos(i+1)!=r[j]) {
Vector3 from =r[j];
Vector3 to =r[j+1];
real_t cdist = from.distance_to(to);
from=gt.xform(from);
to=gt.xform(to);
if (cdist>0) {
Vector2 s[2];
s[0] = p_camera->unproject_position(from);
s[1] = p_camera->unproject_position(to);
Vector2 inters = Geometry::get_closest_point_to_segment_2d(mbpos,s);
float d = inters.distance_to(mbpos);
if (d<10 && d<closest_d) {
closest_d=d;
closest_seg=i;
Vector3 ray_from=p_camera->project_ray_origin(mbpos);
Vector3 ray_dir=p_camera->project_ray_normal(mbpos);
Vector3 ra,rb;
Geometry::get_closest_points_between_segments(ray_from,ray_from+ray_dir*4096,from,to,ra,rb);
closest_seg_point=it.xform(rb);
}
}
j++;
}
if (idx==j)
idx++; //force next
else
idx=j; //swap
if (j==rc)
break;
}
}
UndoRedo *ur = editor->get_undo_redo();
if (closest_seg!=-1) {
//subdivide
ur->create_action(TTR("Split Path"));
ur->add_do_method(c.ptr(),"add_point",closest_seg_point,Vector3(),Vector3(),closest_seg+1);
ur->add_undo_method(c.ptr(),"remove_point",closest_seg+1);
ur->commit_action();;
return true;
} else {
Vector3 org;
if (c->get_point_count()==0)
org=path->get_transform().get_origin();
else
org=gt.xform(c->get_point_pos(c->get_point_count()));
Plane p(org,p_camera->get_transform().basis.get_axis(2));
Vector3 ray_from=p_camera->project_ray_origin(mbpos);
Vector3 ray_dir=p_camera->project_ray_normal(mbpos);
Vector3 inters;
if (p.intersects_ray(ray_from,ray_dir,&inters)) {
ur->create_action(TTR("Add Point to Curve"));
ur->add_do_method(c.ptr(),"add_point",it.xform(inters),Vector3(),Vector3(),-1);
ur->add_undo_method(c.ptr(),"remove_point",c->get_point_count());
ur->commit_action();;
return true;
}
//add new at pos
}
} else if (mb.pressed && ((mb.button_index==BUTTON_LEFT && curve_del->is_pressed()) || (mb.button_index==BUTTON_RIGHT && curve_edit->is_pressed()))) {
int erase_idx=-1;
for(int i=0;i<c->get_point_count();i++) {
//find the offset and point index of the place to break up
if (p_camera->unproject_position(gt.xform(c->get_point_pos(i))).distance_to(mbpos)<click_dist) {
erase_idx=i;
break;
}
}
if (erase_idx!=-1) {
UndoRedo *ur = editor->get_undo_redo();
ur->create_action(TTR("Remove Path Point"));
ur->add_do_method(c.ptr(),"remove_point",erase_idx);
ur->add_undo_method(c.ptr(),"add_point",c->get_point_pos(erase_idx),c->get_point_in(erase_idx),c->get_point_out(erase_idx),erase_idx);
ur->commit_action();
return true;
}
}
}
return false;
}
void PathEditorPlugin::edit(Object *p_object) {
if (p_object) {
path=p_object->cast_to<Path>();
if (path) {
if (path->get_curve().is_valid()) {
path->get_curve()->emit_signal("changed");
}
}
} else {
Path *pre=path;
path=NULL;
if (pre) {
pre->get_curve()->emit_signal("changed");
}
}
// collision_polygon_editor->edit(p_object->cast_to<Node>());
}
bool PathEditorPlugin::handles(Object *p_object) const {
return p_object->is_type("Path");
}
void PathEditorPlugin::make_visible(bool p_visible) {
if (p_visible) {
curve_create->show();
curve_edit->show();
curve_del->show();
curve_close->show();
sep->show();
} else {
curve_create->hide();
curve_edit->hide();
curve_del->hide();
curve_close->hide();
sep->hide();
{
Path *pre=path;
path=NULL;
if (pre && pre->get_curve().is_valid()) {
pre->get_curve()->emit_signal("changed");
}
}
}
}
void PathEditorPlugin::_mode_changed(int p_idx) {
curve_create->set_pressed(p_idx==0);
curve_edit->set_pressed(p_idx==1);
curve_del->set_pressed(p_idx==2);
}
void PathEditorPlugin::_close_curve() {
Ref<Curve3D> c = path->get_curve();
if (c.is_null())
return ;
if (c->get_point_count()<2)
return;
c->add_point(c->get_point_pos(0),c->get_point_in(0),c->get_point_out(0));
}
void PathEditorPlugin::_notification(int p_what) {
if (p_what==NOTIFICATION_ENTER_TREE) {
curve_create->connect("pressed",this,"_mode_changed",make_binds(0));
curve_edit->connect("pressed",this,"_mode_changed",make_binds(1));
curve_del->connect("pressed",this,"_mode_changed",make_binds(2));
curve_close->connect("pressed",this,"_close_curve");
}
}
void PathEditorPlugin::_bind_methods() {
ObjectTypeDB::bind_method(_MD("_mode_changed"),&PathEditorPlugin::_mode_changed);
ObjectTypeDB::bind_method(_MD("_close_curve"),&PathEditorPlugin::_close_curve);
}
PathEditorPlugin* PathEditorPlugin::singleton=NULL;
PathEditorPlugin::PathEditorPlugin(EditorNode *p_node) {
path=NULL;
editor=p_node;
singleton=this;
path_material = Ref<FixedMaterial>( memnew( FixedMaterial ));
path_material->set_parameter( FixedMaterial::PARAM_DIFFUSE,Color(0.5,0.5,1.0,0.8) );
path_material->set_fixed_flag(FixedMaterial::FLAG_USE_ALPHA, true);
path_material->set_line_width(3);
path_material->set_flag(Material::FLAG_DOUBLE_SIDED,true);
path_material->set_flag(Material::FLAG_UNSHADED,true);
path_thin_material = Ref<FixedMaterial>( memnew( FixedMaterial ));
path_thin_material->set_parameter( FixedMaterial::PARAM_DIFFUSE,Color(0.5,0.5,1.0,0.4) );
path_thin_material->set_fixed_flag(FixedMaterial::FLAG_USE_ALPHA, true);
path_thin_material->set_line_width(1);
path_thin_material->set_flag(Material::FLAG_DOUBLE_SIDED,true);
path_thin_material->set_flag(Material::FLAG_UNSHADED,true);
// SpatialEditor::get_singleton()->add_gizmo_plugin(this);
sep = memnew( VSeparator);
sep->hide();
SpatialEditor::get_singleton()->add_control_to_menu_panel(sep);
curve_edit = memnew( ToolButton );
curve_edit->set_icon(SpatialEditor::get_singleton()->get_icon("CurveEdit","EditorIcons"));
curve_edit->set_toggle_mode(true);
curve_edit->hide();
curve_edit->set_focus_mode(Control::FOCUS_NONE);
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"));
SpatialEditor::get_singleton()->add_control_to_menu_panel(curve_edit);
curve_create = memnew( ToolButton );
curve_create->set_icon(SpatialEditor::get_singleton()->get_icon("CurveCreate","EditorIcons"));
curve_create->set_toggle_mode(true);
curve_create->hide();
curve_create->set_focus_mode(Control::FOCUS_NONE);
curve_create->set_tooltip(TTR("Add Point (in empty space)")+"\n"+TTR("Split Segment (in curve)"));
SpatialEditor::get_singleton()->add_control_to_menu_panel(curve_create);
curve_del = memnew( ToolButton );
curve_del->set_icon(SpatialEditor::get_singleton()->get_icon("CurveDelete","EditorIcons"));
curve_del->set_toggle_mode(true);
curve_del->hide();
curve_del->set_focus_mode(Control::FOCUS_NONE);
curve_del->set_tooltip(TTR("Delete Point"));
SpatialEditor::get_singleton()->add_control_to_menu_panel(curve_del);
curve_close = memnew( ToolButton );
curve_close->set_icon(SpatialEditor::get_singleton()->get_icon("CurveClose","EditorIcons"));
curve_close->hide();
curve_close->set_focus_mode(Control::FOCUS_NONE);
curve_close->set_tooltip(TTR("Close Curve"));
SpatialEditor::get_singleton()->add_control_to_menu_panel(curve_close);
curve_edit->set_pressed(true);
/*
collision_polygon_editor = memnew( PathEditor(p_node) );
editor->get_viewport()->add_child(collision_polygon_editor);
collision_polygon_editor->set_margin(MARGIN_LEFT,200);
collision_polygon_editor->set_margin(MARGIN_RIGHT,230);
collision_polygon_editor->set_margin(MARGIN_TOP,0);
collision_polygon_editor->set_margin(MARGIN_BOTTOM,10);
collision_polygon_editor->hide();
*/
}
PathEditorPlugin::~PathEditorPlugin()
{
}