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godot/tools/editor/plugins/polygon_2d_editor_plugin.cpp
Rémi Verschelde 3890256fc5 Style: Cleanups, added headers, renamed files 
Made sure files in core/ and tools/ have a proper Godot license header
when written by us. Also renamed aabb.{cpp,h} and object_type_db.{cpp,h}
to rect3.{cpp,h} and class_db.{cpp,h} respectively.

Also added a proper header to core/io/base64.{c,h} after clarifying
the licensing with the original author (public domain).
2017-01-16 08:04:23 +01:00

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/*************************************************************************/
/* polygon_2d_editor_plugin.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "polygon_2d_editor_plugin.h"
#include "canvas_item_editor_plugin.h"
#include "os/file_access.h"
#include "tools/editor/editor_settings.h"
#include "os/keyboard.h"
#include "os/input.h"
void Polygon2DEditor::_notification(int p_what) {
switch(p_what) {
case NOTIFICATION_READY: {
button_create->set_icon( get_icon("Edit","EditorIcons"));
button_edit->set_icon( get_icon("MovePoint","EditorIcons"));
button_edit->set_pressed(true);
button_uv->set_icon( get_icon("Uv","EditorIcons"));
uv_button[UV_MODE_EDIT_POINT]->set_icon(get_icon("ToolSelect","EditorIcons"));
uv_button[UV_MODE_MOVE]->set_icon(get_icon("ToolMove","EditorIcons"));
uv_button[UV_MODE_ROTATE]->set_icon(get_icon("ToolRotate","EditorIcons"));
uv_button[UV_MODE_SCALE]->set_icon(get_icon("ToolScale","EditorIcons"));
b_snap_grid->set_icon( get_icon("Grid", "EditorIcons"));
b_snap_enable->set_icon( get_icon("Snap", "EditorIcons"));
uv_icon_zoom->set_texture( get_icon("Zoom", "EditorIcons"));
get_tree()->connect("node_removed", this, "_node_removed");
} break;
case NOTIFICATION_FIXED_PROCESS: {
} break;
}
}
void Polygon2DEditor::_node_removed(Node *p_node) {
if(p_node==node) {
edit(NULL);
hide();
canvas_item_editor->get_viewport_control()->update();
}
}
void Polygon2DEditor::_menu_option(int p_option) {
switch(p_option) {
case MODE_CREATE: {
mode=MODE_CREATE;
button_create->set_pressed(true);
button_edit->set_pressed(false);
} break;
case MODE_EDIT: {
mode=MODE_EDIT;
button_create->set_pressed(false);
button_edit->set_pressed(true);
} break;
case MODE_EDIT_UV: {
if (node->get_texture().is_null()) {
error->set_text("No texture in this polygon.\nSet a texture to be able to edit UV.");
error->popup_centered_minsize();
return;
}
PoolVector<Vector2> points = node->get_polygon();
PoolVector<Vector2> uvs = node->get_uv();
if (uvs.size()!=points.size()) {
undo_redo->create_action(TTR("Create UV Map"));
undo_redo->add_do_method(node,"set_uv",points);
undo_redo->add_undo_method(node,"set_uv",uvs);
undo_redo->add_do_method(uv_edit_draw,"update");
undo_redo->add_undo_method(uv_edit_draw,"update");
undo_redo->commit_action();
}
uv_edit->popup_centered_ratio(0.85);
} break;
case UVEDIT_POLYGON_TO_UV: {
PoolVector<Vector2> points = node->get_polygon();
if (points.size()==0)
break;
PoolVector<Vector2> uvs = node->get_uv();
undo_redo->create_action(TTR("Create UV Map"));
undo_redo->add_do_method(node,"set_uv",points);
undo_redo->add_undo_method(node,"set_uv",uvs);
undo_redo->add_do_method(uv_edit_draw,"update");
undo_redo->add_undo_method(uv_edit_draw,"update");
undo_redo->commit_action();
} break;
case UVEDIT_UV_TO_POLYGON: {
PoolVector<Vector2> points = node->get_polygon();
PoolVector<Vector2> uvs = node->get_uv();
if (uvs.size()==0)
break;
undo_redo->create_action(TTR("Create UV Map"));
undo_redo->add_do_method(node,"set_polygon",uvs);
undo_redo->add_undo_method(node,"set_polygon",points);
undo_redo->add_do_method(uv_edit_draw,"update");
undo_redo->add_undo_method(uv_edit_draw,"update");
undo_redo->commit_action();
} break;
case UVEDIT_UV_CLEAR: {
PoolVector<Vector2> uvs = node->get_uv();
if (uvs.size()==0)
break;
undo_redo->create_action(TTR("Create UV Map"));
undo_redo->add_do_method(node,"set_uv",PoolVector<Vector2>());
undo_redo->add_undo_method(node,"set_uv",uvs);
undo_redo->add_do_method(uv_edit_draw,"update");
undo_redo->add_undo_method(uv_edit_draw,"update");
undo_redo->commit_action();
} break;
}
}
void Polygon2DEditor::_set_use_snap(bool p_use)
{
use_snap=p_use;
}
void Polygon2DEditor::_set_show_grid(bool p_show)
{
snap_show_grid=p_show;
uv_edit_draw->update();
}
void Polygon2DEditor::_set_snap_off_x(float p_val)
{
snap_offset.x=p_val;
uv_edit_draw->update();
}
void Polygon2DEditor::_set_snap_off_y(float p_val)
{
snap_offset.y=p_val;
uv_edit_draw->update();
}
void Polygon2DEditor::_set_snap_step_x(float p_val)
{
snap_step.x=p_val;
uv_edit_draw->update();
}
void Polygon2DEditor::_set_snap_step_y(float p_val)
{
snap_step.y=p_val;
uv_edit_draw->update();
}
void Polygon2DEditor::_wip_close() {
undo_redo->create_action(TTR("Create Poly"));
undo_redo->add_undo_method(node,"set_polygon",node->get_polygon());
undo_redo->add_do_method(node,"set_polygon",wip);
undo_redo->add_do_method(canvas_item_editor->get_viewport_control(),"update");
undo_redo->add_undo_method(canvas_item_editor->get_viewport_control(),"update");
undo_redo->commit_action();
wip.clear();
wip_active=false;
mode=MODE_EDIT;
button_edit->set_pressed(true);
button_create->set_pressed(false);
edited_point=-1;
}
bool Polygon2DEditor::forward_gui_input(const InputEvent& p_event) {
if (node==NULL)
return false;
switch(p_event.type) {
case InputEvent::MOUSE_BUTTON: {
const InputEventMouseButton &mb=p_event.mouse_button;
Transform2D xform = canvas_item_editor->get_canvas_transform() * node->get_global_transform();
Vector2 gpoint = Point2(mb.x,mb.y);
Vector2 cpoint = canvas_item_editor->get_canvas_transform().affine_inverse().xform(gpoint);
cpoint=canvas_item_editor->snap_point(cpoint);
cpoint = node->get_global_transform().affine_inverse().xform(cpoint);
Vector<Vector2> poly = Variant(node->get_polygon());
//first check if a point is to be added (segment split)
real_t grab_treshold=EDITOR_DEF("editors/poly_editor/point_grab_radius",8);
switch(mode) {
case MODE_CREATE: {
if (mb.button_index==BUTTON_LEFT && mb.pressed) {
if (!wip_active) {
wip.clear();
wip.push_back( cpoint-node->get_offset() );
wip_active=true;
edited_point_pos=cpoint;
canvas_item_editor->get_viewport_control()->update();
edited_point=1;
return true;
} else {
if (wip.size()>1 && xform.xform(wip[0]+node->get_offset()).distance_to(gpoint)<grab_treshold) {
//wip closed
_wip_close();
return true;
} else {
wip.push_back( cpoint-node->get_offset() );
edited_point=wip.size();
canvas_item_editor->get_viewport_control()->update();
return true;
//add wip point
}
}
} else if (mb.button_index==BUTTON_RIGHT && mb.pressed && wip_active) {
_wip_close();
}
} break;
case MODE_EDIT: {
if (mb.button_index==BUTTON_LEFT) {
if (mb.pressed) {
if (mb.mod.control) {
if (poly.size() < 3) {
undo_redo->create_action(TTR("Edit Poly"));
undo_redo->add_undo_method(node,"set_polygon",poly);
poly.push_back(cpoint);
undo_redo->add_do_method(node,"set_polygon",poly);
undo_redo->add_do_method(canvas_item_editor->get_viewport_control(),"update");
undo_redo->add_undo_method(canvas_item_editor->get_viewport_control(),"update");
undo_redo->commit_action();
return true;
}
//search edges
int closest_idx=-1;
Vector2 closest_pos;
real_t closest_dist=1e10;
for(int i=0;i<poly.size();i++) {
Vector2 points[2] ={ xform.xform(poly[i]+node->get_offset()),
xform.xform(poly[(i+1)%poly.size()]+node->get_offset()) };
Vector2 cp = Geometry::get_closest_point_to_segment_2d(gpoint,points);
if (cp.distance_squared_to(points[0])<CMP_EPSILON2 || cp.distance_squared_to(points[1])<CMP_EPSILON2)
continue; //not valid to reuse point
real_t d = cp.distance_to(gpoint);
if (d<closest_dist && d<grab_treshold) {
closest_dist=d;
closest_pos=cp;
closest_idx=i;
}
}
if (closest_idx>=0) {
pre_move_edit=poly;
poly.insert(closest_idx+1,xform.affine_inverse().xform(closest_pos)-node->get_offset());
edited_point=closest_idx+1;
edited_point_pos=xform.affine_inverse().xform(closest_pos);
node->set_polygon(Variant(poly));
canvas_item_editor->get_viewport_control()->update();
return true;
}
} else {
//look for points to move
int closest_idx=-1;
Vector2 closest_pos;
real_t closest_dist=1e10;
for(int i=0;i<poly.size();i++) {
Vector2 cp =xform.xform(poly[i]+node->get_offset());
real_t d = cp.distance_to(gpoint);
if (d<closest_dist && d<grab_treshold) {
closest_dist=d;
closest_pos=cp;
closest_idx=i;
}
}
if (closest_idx>=0) {
pre_move_edit=poly;
edited_point=closest_idx;
edited_point_pos=xform.affine_inverse().xform(closest_pos);
canvas_item_editor->get_viewport_control()->update();
return true;
}
}
} else {
if (edited_point!=-1) {
//apply
ERR_FAIL_INDEX_V(edited_point,poly.size(),false);
poly[edited_point]=edited_point_pos-node->get_offset();
undo_redo->create_action(TTR("Edit Poly"));
undo_redo->add_do_method(node,"set_polygon",poly);
undo_redo->add_undo_method(node,"set_polygon",pre_move_edit);
undo_redo->add_do_method(canvas_item_editor->get_viewport_control(),"update");
undo_redo->add_undo_method(canvas_item_editor->get_viewport_control(),"update");
undo_redo->commit_action();
edited_point=-1;
return true;
}
}
} if (mb.button_index==BUTTON_RIGHT && mb.pressed && edited_point==-1) {
int closest_idx=-1;
Vector2 closest_pos;
real_t closest_dist=1e10;
for(int i=0;i<poly.size();i++) {
Vector2 cp =xform.xform(poly[i]+node->get_offset());
real_t d = cp.distance_to(gpoint);
if (d<closest_dist && d<grab_treshold) {
closest_dist=d;
closest_pos=cp;
closest_idx=i;
}
}
if (closest_idx>=0) {
undo_redo->create_action(TTR("Edit Poly (Remove Point)"));
undo_redo->add_undo_method(node,"set_polygon",poly);
poly.remove(closest_idx);
undo_redo->add_do_method(node,"set_polygon",poly);
undo_redo->add_do_method(canvas_item_editor->get_viewport_control(),"update");
undo_redo->add_undo_method(canvas_item_editor->get_viewport_control(),"update");
undo_redo->commit_action();
return true;
}
}
} break;
}
} break;
case InputEvent::MOUSE_MOTION: {
const InputEventMouseMotion &mm=p_event.mouse_motion;
if (edited_point!=-1 && (wip_active || mm.button_mask&BUTTON_MASK_LEFT)) {
Vector2 gpoint = Point2(mm.x,mm.y);
Vector2 cpoint = canvas_item_editor->get_canvas_transform().affine_inverse().xform(gpoint);
cpoint=canvas_item_editor->snap_point(cpoint);
edited_point_pos = node->get_global_transform().affine_inverse().xform(cpoint);
canvas_item_editor->get_viewport_control()->update();
}
} break;
}
return false;
}
void Polygon2DEditor::_canvas_draw() {
if (!node)
return;
Control *vpc = canvas_item_editor->get_viewport_control();
Vector<Vector2> poly;
if (wip_active)
poly=wip;
else
poly=Variant(node->get_polygon());
Transform2D xform = canvas_item_editor->get_canvas_transform() * node->get_global_transform();
Ref<Texture> handle= get_icon("EditorHandle","EditorIcons");
for(int i=0;i<poly.size();i++) {
Vector2 p,p2;
p = i==edited_point ? edited_point_pos : (poly[i]+node->get_offset());
if ((wip_active && i==poly.size()-1) || (((i+1)%poly.size())==edited_point))
p2=edited_point_pos;
else
p2 = poly[(i+1)%poly.size()]+node->get_offset();
Vector2 point = xform.xform(p);
Vector2 next_point = xform.xform(p2);
Color col=Color(1,0.3,0.1,0.8);
vpc->draw_line(point,next_point,col,2);
vpc->draw_texture(handle,point-handle->get_size()*0.5);
}
}
void Polygon2DEditor::_uv_mode(int p_mode) {
uv_mode=UVMode(p_mode);
for(int i=0;i<UV_MODE_MAX;i++) {
uv_button[i]->set_pressed(p_mode==i);
}
}
void Polygon2DEditor::_uv_input(const InputEvent& p_input) {
Transform2D mtx;
mtx.elements[2]=-uv_draw_ofs;
mtx.scale_basis(Vector2(uv_draw_zoom,uv_draw_zoom));
if (p_input.type==InputEvent::MOUSE_BUTTON) {
const InputEventMouseButton &mb=p_input.mouse_button;
if (mb.button_index==BUTTON_LEFT) {
if (mb.pressed) {
uv_drag_from=Vector2(mb.x,mb.y);
uv_drag=true;
uv_prev=node->get_uv();
uv_move_current=uv_mode;
if (uv_move_current==UV_MODE_EDIT_POINT) {
if (mb.mod.shift && mb.mod.command)
uv_move_current=UV_MODE_SCALE;
else if (mb.mod.shift)
uv_move_current=UV_MODE_MOVE;
else if (mb.mod.command)
uv_move_current=UV_MODE_ROTATE;
}
if (uv_move_current==UV_MODE_EDIT_POINT) {
uv_drag_index=-1;
for(int i=0;i<uv_prev.size();i++) {
Vector2 tuv=mtx.xform(uv_prev[i]);
if (tuv.distance_to(Vector2(mb.x,mb.y))<8) {
uv_drag_from=tuv;
uv_drag_index=i;
}
}
if (uv_drag_index==-1) {
uv_drag=false;
}
}
} else if (uv_drag) {
undo_redo->create_action(TTR("Transform UV Map"));
undo_redo->add_do_method(node,"set_uv",node->get_uv());
undo_redo->add_undo_method(node,"set_uv",uv_prev);
undo_redo->add_do_method(uv_edit_draw,"update");
undo_redo->add_undo_method(uv_edit_draw,"update");
undo_redo->commit_action();
uv_drag=false;
}
} else if (mb.button_index==BUTTON_RIGHT && mb.pressed) {
if (uv_drag) {
uv_drag=false;
node->set_uv(uv_prev);
uv_edit_draw->update();
}
} else if (mb.button_index==BUTTON_WHEEL_UP && mb.pressed) {
uv_zoom->set_value( uv_zoom->get_value()/0.9 );
} else if (mb.button_index==BUTTON_WHEEL_DOWN && mb.pressed) {
uv_zoom->set_value( uv_zoom->get_value()*0.9);
}
} else if (p_input.type==InputEvent::MOUSE_MOTION) {
const InputEventMouseMotion &mm=p_input.mouse_motion;
if (mm.button_mask&BUTTON_MASK_MIDDLE || Input::get_singleton()->is_key_pressed(KEY_SPACE)) {
Vector2 drag(mm.relative_x,mm.relative_y);
uv_hscroll->set_value( uv_hscroll->get_value()-drag.x );
uv_vscroll->set_value( uv_vscroll->get_value()-drag.y );
} else if (uv_drag) {
Vector2 uv_drag_to=snap_point(Vector2(mm.x,mm.y));
Vector2 drag = mtx.affine_inverse().xform(uv_drag_to) - mtx.affine_inverse().xform(uv_drag_from);
switch(uv_move_current) {
case UV_MODE_EDIT_POINT: {
PoolVector<Vector2> uv_new=uv_prev;
uv_new.set( uv_drag_index, uv_new[uv_drag_index]+drag );
node->set_uv(uv_new);
} break;
case UV_MODE_MOVE: {
PoolVector<Vector2> uv_new=uv_prev;
for(int i=0;i<uv_new.size();i++)
uv_new.set( i, uv_new[i]+drag );
node->set_uv(uv_new);
} break;
case UV_MODE_ROTATE: {
Vector2 center;
PoolVector<Vector2> uv_new=uv_prev;
for(int i=0;i<uv_new.size();i++)
center+=uv_prev[i];
center/=uv_new.size();
float angle = (uv_drag_from - mtx.xform(center)).normalized().angle_to( (uv_drag_to - mtx.xform(center)).normalized() );
for(int i=0;i<uv_new.size();i++) {
Vector2 rel = uv_prev[i] - center;
rel=rel.rotated(angle);
uv_new.set(i,center+rel);
}
node->set_uv(uv_new);
} break;
case UV_MODE_SCALE: {
Vector2 center;
PoolVector<Vector2> uv_new=uv_prev;
for(int i=0;i<uv_new.size();i++)
center+=uv_prev[i];
center/=uv_new.size();
float from_dist = uv_drag_from.distance_to(mtx.xform(center));
float to_dist = uv_drag_to.distance_to(mtx.xform(center));
if (from_dist<2)
break;
float scale = to_dist/from_dist;
for(int i=0;i<uv_new.size();i++) {
Vector2 rel = uv_prev[i] - center;
rel=rel*scale;
uv_new.set(i,center+rel);
}
node->set_uv(uv_new);
} break;
}
uv_edit_draw->update();
}
}
}
void Polygon2DEditor::_uv_scroll_changed(float) {
if (updating_uv_scroll)
return;
uv_draw_ofs.x=uv_hscroll->get_value();
uv_draw_ofs.y=uv_vscroll->get_value();
uv_draw_zoom=uv_zoom->get_value();
uv_edit_draw->update();
}
void Polygon2DEditor::_uv_draw() {
Ref<Texture> base_tex = node->get_texture();
if (base_tex.is_null())
return;
Transform2D mtx;
mtx.elements[2]=-uv_draw_ofs;
mtx.scale_basis(Vector2(uv_draw_zoom,uv_draw_zoom));
VS::get_singleton()->canvas_item_add_set_transform(uv_edit_draw->get_canvas_item(),mtx);
uv_edit_draw->draw_texture(base_tex,Point2());
VS::get_singleton()->canvas_item_add_set_transform(uv_edit_draw->get_canvas_item(),Transform2D());
if (snap_show_grid) {
Size2 s = uv_edit_draw->get_size();
int last_cell;
if (snap_step.x!=0) {
for(int i=0;i<s.width;i++) {
int cell = Math::fast_ftoi(Math::floor((mtx.affine_inverse().xform(Vector2(i,0)).x-snap_offset.x)/snap_step.x));
if (i==0)
last_cell=cell;
if (last_cell!=cell)
uv_edit_draw->draw_line(Point2(i,0),Point2(i,s.height),Color(0.3,0.7,1,0.3));
last_cell=cell;
}
}
if (snap_step.y!=0) {
for(int i=0;i<s.height;i++) {
int cell = Math::fast_ftoi(Math::floor((mtx.affine_inverse().xform(Vector2(0,i)).y-snap_offset.y)/snap_step.y));
if (i==0)
last_cell=cell;
if (last_cell!=cell)
uv_edit_draw->draw_line(Point2(0,i),Point2(s.width,i),Color(0.3,0.7,1,0.3));
last_cell=cell;
}
}
}
PoolVector<Vector2> uvs = node->get_uv();
Ref<Texture> handle = get_icon("EditorHandle","EditorIcons");
Rect2 rect(Point2(),mtx.basis_xform(base_tex->get_size()));
rect.expand_to(mtx.basis_xform(uv_edit_draw->get_size()));
for(int i=0;i<uvs.size();i++) {
int next = (i+1)%uvs.size();
uv_edit_draw->draw_line(mtx.xform(uvs[i]),mtx.xform(uvs[next]),Color(0.9,0.5,0.5),2);
uv_edit_draw->draw_texture(handle,mtx.xform(uvs[i])-handle->get_size()*0.5);
rect.expand_to(mtx.basis_xform(uvs[i]));
}
rect=rect.grow(200);
updating_uv_scroll=true;
uv_hscroll->set_min(rect.pos.x);
uv_hscroll->set_max(rect.pos.x+rect.size.x);
uv_hscroll->set_page(uv_edit_draw->get_size().x);
uv_hscroll->set_value(uv_draw_ofs.x);
uv_hscroll->set_step(0.001);
uv_vscroll->set_min(rect.pos.y);
uv_vscroll->set_max(rect.pos.y+rect.size.y);
uv_vscroll->set_page(uv_edit_draw->get_size().y);
uv_vscroll->set_value(uv_draw_ofs.y);
uv_vscroll->set_step(0.001);
updating_uv_scroll=false;
}
void Polygon2DEditor::edit(Node *p_collision_polygon) {
if (!canvas_item_editor) {
canvas_item_editor=CanvasItemEditor::get_singleton();
}
if (p_collision_polygon) {
node=p_collision_polygon->cast_to<Polygon2D>();
if (!canvas_item_editor->get_viewport_control()->is_connected("draw",this,"_canvas_draw"))
canvas_item_editor->get_viewport_control()->connect("draw",this,"_canvas_draw");
wip.clear();
wip_active=false;
edited_point=-1;
} else {
node=NULL;
if (canvas_item_editor->get_viewport_control()->is_connected("draw",this,"_canvas_draw"))
canvas_item_editor->get_viewport_control()->disconnect("draw",this,"_canvas_draw");
}
}
void Polygon2DEditor::_bind_methods() {
ClassDB::bind_method(_MD("_menu_option"),&Polygon2DEditor::_menu_option);
ClassDB::bind_method(_MD("_canvas_draw"),&Polygon2DEditor::_canvas_draw);
ClassDB::bind_method(_MD("_uv_mode"),&Polygon2DEditor::_uv_mode);
ClassDB::bind_method(_MD("_uv_draw"),&Polygon2DEditor::_uv_draw);
ClassDB::bind_method(_MD("_uv_input"),&Polygon2DEditor::_uv_input);
ClassDB::bind_method(_MD("_uv_scroll_changed"),&Polygon2DEditor::_uv_scroll_changed);
ClassDB::bind_method(_MD("_node_removed"),&Polygon2DEditor::_node_removed);
ClassDB::bind_method(_MD("_set_use_snap"),&Polygon2DEditor::_set_use_snap);
ClassDB::bind_method(_MD("_set_show_grid"),&Polygon2DEditor::_set_show_grid);
ClassDB::bind_method(_MD("_set_snap_off_x"),&Polygon2DEditor::_set_snap_off_x);
ClassDB::bind_method(_MD("_set_snap_off_y"),&Polygon2DEditor::_set_snap_off_y);
ClassDB::bind_method(_MD("_set_snap_step_x"),&Polygon2DEditor::_set_snap_step_x);
ClassDB::bind_method(_MD("_set_snap_step_y"),&Polygon2DEditor::_set_snap_step_y);
}
inline float _snap_scalar(float p_offset, float p_step, float p_target) {
return p_step != 0 ? Math::stepify(p_target - p_offset, p_step) + p_offset : p_target;
}
Vector2 Polygon2DEditor::snap_point(Vector2 p_target) const {
if (use_snap) {
p_target.x = _snap_scalar(snap_offset.x*uv_draw_zoom-uv_draw_ofs.x, snap_step.x*uv_draw_zoom, p_target.x);
p_target.y = _snap_scalar(snap_offset.y*uv_draw_zoom-uv_draw_ofs.y, snap_step.y*uv_draw_zoom, p_target.y);
}
return p_target;
}
Polygon2DEditor::Polygon2DEditor(EditorNode *p_editor) {
node=NULL;
canvas_item_editor=NULL;
editor=p_editor;
undo_redo = editor->get_undo_redo();
snap_step=Vector2(10,10);
use_snap=false;
snap_show_grid=false;
add_child( memnew( VSeparator ));
button_create = memnew( ToolButton );
add_child(button_create);
button_create->connect("pressed",this,"_menu_option",varray(MODE_CREATE));
button_create->set_toggle_mode(true);
button_edit = memnew( ToolButton );
add_child(button_edit);
button_edit->connect("pressed",this,"_menu_option",varray(MODE_EDIT));
button_edit->set_toggle_mode(true);
button_uv = memnew( ToolButton );
add_child(button_uv);
button_uv->connect("pressed",this,"_menu_option",varray(MODE_EDIT_UV));
//add_constant_override("separation",0);
#if 0
options = memnew( MenuButton );
add_child(options);
options->set_area_as_parent_rect();
options->set_text("Polygon");
//options->get_popup()->add_item("Parse BBCode",PARSE_BBCODE);
options->get_popup()->connect("id_pressed", this,"_menu_option");
#endif
mode = MODE_EDIT;
wip_active=false;
uv_mode=UV_MODE_EDIT_POINT;
uv_edit = memnew( AcceptDialog );
add_child(uv_edit);
uv_edit->set_title(TTR("Polygon 2D UV Editor"));
uv_edit->set_self_modulate(Color(1,1,1,0.9));
VBoxContainer *uv_main_vb = memnew( VBoxContainer );
uv_edit->add_child(uv_main_vb);
//uv_edit->set_child_rect(uv_main_vb);
HBoxContainer *uv_mode_hb = memnew( HBoxContainer );
uv_main_vb->add_child(uv_mode_hb);
for(int i=0;i<UV_MODE_MAX;i++) {
uv_button[i]=memnew( ToolButton );
uv_button[i]->set_toggle_mode(true);
uv_mode_hb->add_child(uv_button[i]);
uv_button[i]->connect("pressed",this,"_uv_mode",varray(i));
uv_button[i]->set_focus_mode(FOCUS_NONE);
}
uv_button[0]->set_tooltip(TTR("Move Point")+"\n"+TTR("Ctrl: Rotate")+"\n"+TTR("Shift: Move All")+"\n"+TTR("Shift+Ctrl: Scale"));
uv_button[1]->set_tooltip(TTR("Move Polygon"));
uv_button[2]->set_tooltip(TTR("Rotate Polygon"));
uv_button[3]->set_tooltip(TTR("Scale Polygon"));
uv_button[0]->set_pressed(true);
HBoxContainer *uv_main_hb = memnew( HBoxContainer );
uv_main_vb->add_child(uv_main_hb);
uv_edit_draw = memnew( Control );
uv_main_hb->add_child(uv_edit_draw);
uv_main_hb->set_v_size_flags(SIZE_EXPAND_FILL);
uv_edit_draw->set_h_size_flags(SIZE_EXPAND_FILL);
uv_menu = memnew( MenuButton );
uv_mode_hb->add_child(uv_menu);
uv_menu->set_text(TTR("Edit"));
uv_menu->get_popup()->add_item(TTR("Polygon->UV"),UVEDIT_POLYGON_TO_UV);
uv_menu->get_popup()->add_item(TTR("UV->Polygon"),UVEDIT_UV_TO_POLYGON);
uv_menu->get_popup()->add_separator();
uv_menu->get_popup()->add_item(TTR("Clear UV"),UVEDIT_UV_CLEAR);
uv_menu->get_popup()->connect("id_pressed",this,"_menu_option");
uv_mode_hb->add_child( memnew( VSeparator ));
b_snap_enable = memnew( ToolButton );
uv_mode_hb->add_child(b_snap_enable);
b_snap_enable->set_text(TTR("Snap"));
b_snap_enable->set_focus_mode(FOCUS_NONE);
b_snap_enable->set_toggle_mode(true);
b_snap_enable->set_pressed(use_snap);
b_snap_enable->set_tooltip(TTR("Enable Snap"));
b_snap_enable->connect("toggled",this,"_set_use_snap");
b_snap_grid = memnew( ToolButton );
uv_mode_hb->add_child(b_snap_grid);
b_snap_grid->set_text(TTR("Grid"));
b_snap_grid->set_focus_mode(FOCUS_NONE);
b_snap_grid->set_toggle_mode(true);
b_snap_grid->set_pressed(snap_show_grid);
b_snap_grid->set_tooltip(TTR("Show Grid"));
b_snap_grid->connect("toggled",this,"_set_show_grid");
uv_mode_hb->add_child( memnew( VSeparator ));
uv_mode_hb->add_child( memnew( Label(TTR("Grid Offset:")) ) );
SpinBox *sb_off_x = memnew( SpinBox );
sb_off_x->set_min(-256);
sb_off_x->set_max(256);
sb_off_x->set_step(1);
sb_off_x->set_value(snap_offset.x);
sb_off_x->set_suffix("px");
sb_off_x->connect("value_changed", this, "_set_snap_off_x");
uv_mode_hb->add_child(sb_off_x);
SpinBox *sb_off_y = memnew( SpinBox );
sb_off_y->set_min(-256);
sb_off_y->set_max(256);
sb_off_y->set_step(1);
sb_off_y->set_value(snap_offset.y);
sb_off_y->set_suffix("px");
sb_off_y->connect("value_changed", this, "_set_snap_off_y");
uv_mode_hb->add_child(sb_off_y);
uv_mode_hb->add_child( memnew( VSeparator ));
uv_mode_hb->add_child( memnew( Label(TTR("Grid Step:")) ) );
SpinBox *sb_step_x = memnew( SpinBox );
sb_step_x->set_min(-256);
sb_step_x->set_max(256);
sb_step_x->set_step(1);
sb_step_x->set_value(snap_step.x);
sb_step_x->set_suffix("px");
sb_step_x->connect("value_changed", this, "_set_snap_step_x");
uv_mode_hb->add_child(sb_step_x);
SpinBox *sb_step_y = memnew( SpinBox );
sb_step_y->set_min(-256);
sb_step_y->set_max(256);
sb_step_y->set_step(1);
sb_step_y->set_value(snap_step.y);
sb_step_y->set_suffix("px");
sb_step_y->connect("value_changed", this, "_set_snap_step_y");
uv_mode_hb->add_child(sb_step_y);
uv_mode_hb->add_child( memnew( VSeparator ));
uv_icon_zoom = memnew( TextureRect );
uv_mode_hb->add_child( uv_icon_zoom );
uv_zoom = memnew( HSlider );
uv_zoom->set_min(0.01);
uv_zoom->set_max(4);
uv_zoom->set_value(1);
uv_zoom->set_step(0.01);
uv_mode_hb->add_child(uv_zoom);
uv_zoom->set_custom_minimum_size(Size2(200,0));
uv_zoom_value = memnew( SpinBox );
uv_zoom->share(uv_zoom_value);
uv_zoom_value->set_custom_minimum_size(Size2(50,0));
uv_mode_hb->add_child(uv_zoom_value);
uv_zoom->connect("value_changed",this,"_uv_scroll_changed");
uv_vscroll = memnew( VScrollBar);
uv_main_hb->add_child(uv_vscroll);
uv_vscroll->connect("value_changed",this,"_uv_scroll_changed");
uv_hscroll = memnew( HScrollBar );
uv_main_vb->add_child(uv_hscroll);
uv_hscroll->connect("value_changed",this,"_uv_scroll_changed");
uv_edit_draw->connect("draw",this,"_uv_draw");
uv_edit_draw->connect("gui_input",this,"_uv_input");
uv_draw_zoom=1.0;
uv_drag_index=-1;
uv_drag=false;
updating_uv_scroll=false;
error = memnew( AcceptDialog);
add_child(error);
uv_edit_draw->set_clip_contents(true);
}
void Polygon2DEditorPlugin::edit(Object *p_object) {
collision_polygon_editor->edit(p_object->cast_to<Node>());
}
bool Polygon2DEditorPlugin::handles(Object *p_object) const {
return p_object->is_class("Polygon2D");
}
void Polygon2DEditorPlugin::make_visible(bool p_visible) {
if (p_visible) {
collision_polygon_editor->show();
} else {
collision_polygon_editor->hide();
collision_polygon_editor->edit(NULL);
}
}
Polygon2DEditorPlugin::Polygon2DEditorPlugin(EditorNode *p_node) {
editor=p_node;
collision_polygon_editor = memnew( Polygon2DEditor(p_node) );
CanvasItemEditor::get_singleton()->add_control_to_menu_panel(collision_polygon_editor);
collision_polygon_editor->hide();
}
Polygon2DEditorPlugin::~Polygon2DEditorPlugin()
{
}
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