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polygon_2d_editor_plugin.cpp
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/**************************************************************************/
/* polygon_2d_editor_plugin.cpp */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 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 "core/input/input_event.h"
#include "core/math/geometry_2d.h"
#include "editor/editor_node.h"
#include "editor/editor_settings.h"
#include "editor/editor_undo_redo_manager.h"
#include "editor/gui/editor_zoom_widget.h"
#include "editor/plugins/canvas_item_editor_plugin.h"
#include "editor/themes/editor_scale.h"
#include "scene/2d/skeleton_2d.h"
#include "scene/gui/check_box.h"
#include "scene/gui/dialogs.h"
#include "scene/gui/label.h"
#include "scene/gui/menu_button.h"
#include "scene/gui/panel.h"
#include "scene/gui/scroll_container.h"
#include "scene/gui/separator.h"
#include "scene/gui/slider.h"
#include "scene/gui/spin_box.h"
#include "scene/gui/split_container.h"
#include "scene/gui/texture_rect.h"
#include "scene/gui/view_panner.h"
class UVEditDialog : public AcceptDialog {
GDCLASS(UVEditDialog, AcceptDialog);
void shortcut_input(const Ref<InputEvent> &p_event) override {
const Ref<InputEventKey> k = p_event;
if (k.is_valid() && k->is_pressed()) {
bool handled = false;
if (ED_IS_SHORTCUT("ui_undo", p_event)) {
EditorNode::get_singleton()->undo();
handled = true;
}
if (ED_IS_SHORTCUT("ui_redo", p_event)) {
EditorNode::get_singleton()->redo();
handled = true;
}
if (handled) {
set_input_as_handled();
}
}
}
};
Node2D *Polygon2DEditor::_get_node() const {
return node;
}
void Polygon2DEditor::_set_node(Node *p_polygon) {
node = Object::cast_to<Polygon2D>(p_polygon);
_update_polygon_editing_state();
}
Vector2 Polygon2DEditor::_get_offset(int p_idx) const {
return node->get_offset();
}
int Polygon2DEditor::_get_polygon_count() const {
if (node->get_internal_vertex_count() > 0) {
return 0; //do not edit if internal vertices exist
} else {
return 1;
}
}
void Polygon2DEditor::_notification(int p_what) {
switch (p_what) {
case EditorSettings::NOTIFICATION_EDITOR_SETTINGS_CHANGED: {
if (!EditorSettings::get_singleton()->check_changed_settings_in_group("editors/panning")) {
break;
}
[[fallthrough]];
}
case NOTIFICATION_ENTER_TREE: {
uv_panner->setup((ViewPanner::ControlScheme)EDITOR_GET("editors/panning/sub_editors_panning_scheme").operator int(), ED_GET_SHORTCUT("canvas_item_editor/pan_view"), bool(EDITOR_GET("editors/panning/simple_panning")));
} break;
case NOTIFICATION_READY: {
button_uv->set_icon(get_editor_theme_icon(SNAME("Uv")));
uv_button[UV_MODE_CREATE]->set_icon(get_editor_theme_icon(SNAME("Edit")));
uv_button[UV_MODE_CREATE_INTERNAL]->set_icon(get_editor_theme_icon(SNAME("EditInternal")));
uv_button[UV_MODE_REMOVE_INTERNAL]->set_icon(get_editor_theme_icon(SNAME("RemoveInternal")));
uv_button[UV_MODE_EDIT_POINT]->set_icon(get_editor_theme_icon(SNAME("ToolSelect")));
uv_button[UV_MODE_MOVE]->set_icon(get_editor_theme_icon(SNAME("ToolMove")));
uv_button[UV_MODE_ROTATE]->set_icon(get_editor_theme_icon(SNAME("ToolRotate")));
uv_button[UV_MODE_SCALE]->set_icon(get_editor_theme_icon(SNAME("ToolScale")));
uv_button[UV_MODE_ADD_POLYGON]->set_icon(get_editor_theme_icon(SNAME("Edit")));
uv_button[UV_MODE_REMOVE_POLYGON]->set_icon(get_editor_theme_icon(SNAME("Close")));
uv_button[UV_MODE_PAINT_WEIGHT]->set_icon(get_editor_theme_icon(SNAME("Bucket")));
uv_button[UV_MODE_CLEAR_WEIGHT]->set_icon(get_editor_theme_icon(SNAME("Clear")));
b_snap_grid->set_icon(get_editor_theme_icon(SNAME("Grid")));
b_snap_enable->set_icon(get_editor_theme_icon(SNAME("SnapGrid")));
uv_vscroll->set_anchors_and_offsets_preset(PRESET_RIGHT_WIDE);
uv_hscroll->set_anchors_and_offsets_preset(PRESET_BOTTOM_WIDE);
// Avoid scrollbar overlapping.
Size2 hmin = uv_hscroll->get_combined_minimum_size();
Size2 vmin = uv_vscroll->get_combined_minimum_size();
uv_hscroll->set_anchor_and_offset(SIDE_RIGHT, ANCHOR_END, -vmin.width);
uv_vscroll->set_anchor_and_offset(SIDE_BOTTOM, ANCHOR_END, -hmin.height);
[[fallthrough]];
}
case NOTIFICATION_THEME_CHANGED: {
uv_edit_draw->add_theme_style_override(SceneStringName(panel), get_theme_stylebox(SceneStringName(panel), SNAME("Tree")));
bone_scroll->add_theme_style_override(SceneStringName(panel), get_theme_stylebox(SceneStringName(panel), SNAME("Tree")));
} break;
case NOTIFICATION_VISIBILITY_CHANGED: {
if (!is_visible()) {
uv_edit->hide();
}
} break;
}
}
void Polygon2DEditor::_sync_bones() {
Skeleton2D *skeleton = nullptr;
if (!node->has_node(node->get_skeleton())) {
error->set_text(TTR("The skeleton property of the Polygon2D does not point to a Skeleton2D node"));
error->popup_centered();
} else {
Node *sn = node->get_node(node->get_skeleton());
skeleton = Object::cast_to<Skeleton2D>(sn);
}
Array prev_bones = node->call("_get_bones");
node->clear_bones();
if (!skeleton) {
error->set_text(TTR("The skeleton property of the Polygon2D does not point to a Skeleton2D node"));
error->popup_centered();
} else {
for (int i = 0; i < skeleton->get_bone_count(); i++) {
NodePath path = skeleton->get_path_to(skeleton->get_bone(i));
Vector<float> weights;
int wc = node->get_polygon().size();
for (int j = 0; j < prev_bones.size(); j += 2) {
NodePath pvp = prev_bones[j];
Vector<float> pv = prev_bones[j + 1];
if (pvp == path && pv.size() == wc) {
weights = pv;
}
}
if (weights.size() == 0) { //create them
weights.resize(node->get_polygon().size());
float *w = weights.ptrw();
for (int j = 0; j < wc; j++) {
w[j] = 0.0;
}
}
node->add_bone(path, weights);
}
}
Array new_bones = node->call("_get_bones");
EditorUndoRedoManager *undo_redo = EditorUndoRedoManager::get_singleton();
undo_redo->create_action(TTR("Sync Bones"));
undo_redo->add_do_method(node, "_set_bones", new_bones);
undo_redo->add_undo_method(node, "_set_bones", prev_bones);
undo_redo->add_do_method(this, "_update_bone_list");
undo_redo->add_undo_method(this, "_update_bone_list");
undo_redo->add_do_method(uv_edit_draw, "queue_redraw");
undo_redo->add_undo_method(uv_edit_draw, "queue_redraw");
undo_redo->commit_action();
}
void Polygon2DEditor::_update_bone_list() {
NodePath selected;
while (bone_scroll_vb->get_child_count()) {
CheckBox *cb = Object::cast_to<CheckBox>(bone_scroll_vb->get_child(0));
if (cb && cb->is_pressed()) {
selected = cb->get_meta("bone_path");
}
memdelete(bone_scroll_vb->get_child(0));
}
Ref<ButtonGroup> bg;
bg.instantiate();
for (int i = 0; i < node->get_bone_count(); i++) {
CheckBox *cb = memnew(CheckBox);
NodePath np = node->get_bone_path(i);
String name;
if (np.get_name_count()) {
name = np.get_name(np.get_name_count() - 1);
}
if (name.is_empty()) {
name = "Bone " + itos(i);
}
cb->set_text(name);
cb->set_button_group(bg);
cb->set_meta("bone_path", np);
cb->set_focus_mode(FOCUS_NONE);
bone_scroll_vb->add_child(cb);
if (np == selected || bone_scroll_vb->get_child_count() < 2) {
cb->set_pressed(true);
}
cb->connect(SceneStringName(pressed), callable_mp(this, &Polygon2DEditor::_bone_paint_selected).bind(i));
}
uv_edit_draw->queue_redraw();
}
void Polygon2DEditor::_bone_paint_selected(int p_index) {
uv_edit_draw->queue_redraw();
}
void Polygon2DEditor::_uv_edit_mode_select(int p_mode) {
if (p_mode == 0) { //uv
uv_button[UV_MODE_CREATE]->hide();
uv_button[UV_MODE_CREATE_INTERNAL]->hide();
uv_button[UV_MODE_REMOVE_INTERNAL]->hide();
for (int i = UV_MODE_EDIT_POINT; i <= UV_MODE_SCALE; i++) {
uv_button[i]->show();
}
uv_button[UV_MODE_ADD_POLYGON]->hide();
uv_button[UV_MODE_REMOVE_POLYGON]->hide();
uv_button[UV_MODE_PAINT_WEIGHT]->hide();
uv_button[UV_MODE_CLEAR_WEIGHT]->hide();
_uv_mode(UV_MODE_EDIT_POINT);
bone_scroll_main_vb->hide();
bone_paint_strength->hide();
bone_paint_radius->hide();
bone_paint_radius_label->hide();
} else if (p_mode == 1) { //poly
for (int i = 0; i <= UV_MODE_SCALE; i++) {
uv_button[i]->show();
}
uv_button[UV_MODE_ADD_POLYGON]->hide();
uv_button[UV_MODE_REMOVE_POLYGON]->hide();
uv_button[UV_MODE_PAINT_WEIGHT]->hide();
uv_button[UV_MODE_CLEAR_WEIGHT]->hide();
_uv_mode(UV_MODE_EDIT_POINT);
bone_scroll_main_vb->hide();
bone_paint_strength->hide();
bone_paint_radius->hide();
bone_paint_radius_label->hide();
} else if (p_mode == 2) { //splits
for (int i = 0; i <= UV_MODE_SCALE; i++) {
uv_button[i]->hide();
}
uv_button[UV_MODE_ADD_POLYGON]->show();
uv_button[UV_MODE_REMOVE_POLYGON]->show();
uv_button[UV_MODE_PAINT_WEIGHT]->hide();
uv_button[UV_MODE_CLEAR_WEIGHT]->hide();
_uv_mode(UV_MODE_ADD_POLYGON);
bone_scroll_main_vb->hide();
bone_paint_strength->hide();
bone_paint_radius->hide();
bone_paint_radius_label->hide();
} else if (p_mode == 3) { //bones´
for (int i = 0; i <= UV_MODE_REMOVE_POLYGON; i++) {
uv_button[i]->hide();
}
uv_button[UV_MODE_PAINT_WEIGHT]->show();
uv_button[UV_MODE_CLEAR_WEIGHT]->show();
_uv_mode(UV_MODE_PAINT_WEIGHT);
bone_scroll_main_vb->show();
bone_paint_strength->show();
bone_paint_radius->show();
bone_paint_radius_label->show();
_update_bone_list();
bone_paint_pos = Vector2(-100000, -100000); //send brush away when switching
}
uv_edit->set_size(uv_edit->get_size()); // Necessary readjustment of the popup window.
uv_edit_draw->queue_redraw();
}
void Polygon2DEditor::_uv_edit_popup_hide() {
EditorSettings::get_singleton()->set_project_metadata("dialog_bounds", "uv_editor", Rect2(uv_edit->get_position(), uv_edit->get_size()));
_cancel_editing();
}
void Polygon2DEditor::_menu_option(int p_option) {
EditorUndoRedoManager *undo_redo = EditorUndoRedoManager::get_singleton();
switch (p_option) {
case MODE_EDIT_UV: {
if (node->get_texture().is_null()) {
error->set_text(TTR("No texture in this polygon.\nSet a texture to be able to edit UV."));
error->popup_centered();
return;
}
uv_edit_draw->set_texture_filter(node->get_texture_filter_in_tree());
Vector<Vector2> points = node->get_polygon();
Vector<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, "queue_redraw");
undo_redo->add_undo_method(uv_edit_draw, "queue_redraw");
undo_redo->commit_action();
}
const Rect2 bounds = EditorSettings::get_singleton()->get_project_metadata("dialog_bounds", "uv_editor", Rect2());
if (bounds.has_area()) {
uv_edit->popup(bounds);
} else {
uv_edit->popup_centered_ratio(0.85);
}
_update_bone_list();
get_tree()->connect("process_frame", callable_mp(this, &Polygon2DEditor::_center_view), CONNECT_ONE_SHOT);
} break;
case UVEDIT_POLYGON_TO_UV: {
Vector<Vector2> points = node->get_polygon();
if (points.size() == 0) {
break;
}
Vector<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, "queue_redraw");
undo_redo->add_undo_method(uv_edit_draw, "queue_redraw");
undo_redo->commit_action();
} break;
case UVEDIT_UV_TO_POLYGON: {
Vector<Vector2> points = node->get_polygon();
Vector<Vector2> uvs = node->get_uv();
if (uvs.size() == 0) {
break;
}
undo_redo->create_action(TTR("Create Polygon"));
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, "queue_redraw");
undo_redo->add_undo_method(uv_edit_draw, "queue_redraw");
undo_redo->commit_action();
} break;
case UVEDIT_UV_CLEAR: {
Vector<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", Vector<Vector2>());
undo_redo->add_undo_method(node, "set_uv", uvs);
undo_redo->add_do_method(uv_edit_draw, "queue_redraw");
undo_redo->add_undo_method(uv_edit_draw, "queue_redraw");
undo_redo->commit_action();
} break;
case UVEDIT_GRID_SETTINGS: {
grid_settings->popup_centered();
} break;
default: {
AbstractPolygon2DEditor::_menu_option(p_option);
} break;
}
}
void Polygon2DEditor::_cancel_editing() {
if (uv_create) {
uv_drag = false;
uv_create = false;
node->set_uv(uv_create_uv_prev);
node->set_polygon(uv_create_poly_prev);
node->set_internal_vertex_count(uv_create_prev_internal_vertices);
node->set_vertex_colors(uv_create_colors_prev);
node->call("_set_bones", uv_create_bones_prev);
node->set_polygons(polygons_prev);
_update_polygon_editing_state();
} else if (uv_drag) {
uv_drag = false;
if (uv_edit_mode[0]->is_pressed()) { // Edit UV.
node->set_uv(points_prev);
} else if (uv_edit_mode[1]->is_pressed()) { // Edit polygon.
node->set_polygon(points_prev);
}
}
polygon_create.clear();
}
void Polygon2DEditor::_update_polygon_editing_state() {
if (!_get_node()) {
return;
}
if (node->get_internal_vertex_count() > 0) {
disable_polygon_editing(true, TTR("Polygon 2D has internal vertices, so it can no longer be edited in the viewport."));
} else {
disable_polygon_editing(false, String());
}
}
void Polygon2DEditor::_commit_action() {
// Makes that undo/redoing actions made outside of the UV editor still affect its polygon.
EditorUndoRedoManager *undo_redo = EditorUndoRedoManager::get_singleton();
undo_redo->add_do_method(uv_edit_draw, "queue_redraw");
undo_redo->add_undo_method(uv_edit_draw, "queue_redraw");
undo_redo->add_do_method(CanvasItemEditor::get_singleton(), "update_viewport");
undo_redo->add_undo_method(CanvasItemEditor::get_singleton(), "update_viewport");
undo_redo->commit_action();
}
void Polygon2DEditor::_set_use_snap(bool p_use) {
use_snap = p_use;
EditorSettings::get_singleton()->set_project_metadata("polygon_2d_uv_editor", "snap_enabled", p_use);
}
void Polygon2DEditor::_set_show_grid(bool p_show) {
snap_show_grid = p_show;
EditorSettings::get_singleton()->set_project_metadata("polygon_2d_uv_editor", "show_grid", p_show);
uv_edit_draw->queue_redraw();
}
void Polygon2DEditor::_set_snap_off_x(real_t p_val) {
snap_offset.x = p_val;
EditorSettings::get_singleton()->set_project_metadata("polygon_2d_uv_editor", "snap_offset", snap_offset);
uv_edit_draw->queue_redraw();
}
void Polygon2DEditor::_set_snap_off_y(real_t p_val) {
snap_offset.y = p_val;
EditorSettings::get_singleton()->set_project_metadata("polygon_2d_uv_editor", "snap_offset", snap_offset);
uv_edit_draw->queue_redraw();
}
void Polygon2DEditor::_set_snap_step_x(real_t p_val) {
snap_step.x = p_val;
EditorSettings::get_singleton()->set_project_metadata("polygon_2d_uv_editor", "snap_step", snap_step);
uv_edit_draw->queue_redraw();
}
void Polygon2DEditor::_set_snap_step_y(real_t p_val) {
snap_step.y = p_val;
EditorSettings::get_singleton()->set_project_metadata("polygon_2d_uv_editor", "snap_step", snap_step);
uv_edit_draw->queue_redraw();
}
void Polygon2DEditor::_uv_mode(int p_mode) {
polygon_create.clear();
uv_drag = false;
uv_create = false;
uv_mode = UVMode(p_mode);
for (int i = 0; i < UV_MODE_MAX; i++) {
uv_button[i]->set_pressed(p_mode == i);
}
uv_edit_draw->queue_redraw();
}
void Polygon2DEditor::_uv_input(const Ref<InputEvent> &p_input) {
if (!_get_node()) {
return;
}
if (uv_panner->gui_input(p_input)) {
accept_event();
return;
}
Transform2D mtx;
mtx.columns[2] = -uv_draw_ofs * uv_draw_zoom;
mtx.scale_basis(Vector2(uv_draw_zoom, uv_draw_zoom));
EditorUndoRedoManager *undo_redo = EditorUndoRedoManager::get_singleton();
Ref<InputEventMouseButton> mb = p_input;
if (mb.is_valid()) {
if (mb->get_button_index() == MouseButton::LEFT) {
if (mb->is_pressed()) {
uv_drag_from = snap_point(mb->get_position());
uv_drag = true;
points_prev = node->get_uv();
if (uv_edit_mode[0]->is_pressed()) { //edit uv
points_prev = node->get_uv();
} else { //edit polygon
points_prev = node->get_polygon();
}
uv_move_current = uv_mode;
if (uv_move_current == UV_MODE_CREATE) {
if (!uv_create) {
points_prev.clear();
Vector2 tuv = mtx.affine_inverse().xform(snap_point(mb->get_position()));
points_prev.push_back(tuv);
uv_create_to = tuv;
point_drag_index = 0;
uv_drag_from = tuv;
uv_drag = true;
uv_create = true;
uv_create_uv_prev = node->get_uv();
uv_create_poly_prev = node->get_polygon();
uv_create_prev_internal_vertices = node->get_internal_vertex_count();
uv_create_colors_prev = node->get_vertex_colors();
uv_create_bones_prev = node->call("_get_bones");
polygons_prev = node->get_polygons();
disable_polygon_editing(false, String());
node->set_polygon(points_prev);
node->set_uv(points_prev);
node->set_internal_vertex_count(0);
uv_edit_draw->queue_redraw();
} else {
Vector2 tuv = mtx.affine_inverse().xform(snap_point(mb->get_position()));
// Close the polygon if selected point is near start. Threshold for closing scaled by zoom level
if (points_prev.size() > 2 && tuv.distance_to(points_prev[0]) < (8 / uv_draw_zoom)) {
undo_redo->create_action(TTR("Create Polygon & UV"));
undo_redo->add_do_method(node, "set_uv", node->get_uv());
undo_redo->add_undo_method(node, "set_uv", uv_create_uv_prev);
undo_redo->add_do_method(node, "set_polygon", node->get_polygon());
undo_redo->add_undo_method(node, "set_polygon", uv_create_poly_prev);
undo_redo->add_do_method(node, "set_internal_vertex_count", 0);
undo_redo->add_undo_method(node, "set_internal_vertex_count", uv_create_prev_internal_vertices);
undo_redo->add_do_method(node, "set_vertex_colors", Vector<Color>());
undo_redo->add_undo_method(node, "set_vertex_colors", uv_create_colors_prev);
undo_redo->add_do_method(node, "clear_bones");
undo_redo->add_undo_method(node, "_set_bones", uv_create_bones_prev);
undo_redo->add_do_method(this, "_update_polygon_editing_state");
undo_redo->add_undo_method(this, "_update_polygon_editing_state");
undo_redo->add_do_method(uv_edit_draw, "queue_redraw");
undo_redo->add_undo_method(uv_edit_draw, "queue_redraw");
undo_redo->commit_action();
uv_drag = false;
uv_create = false;
_uv_mode(UV_MODE_EDIT_POINT);
_menu_option(MODE_EDIT);
} else {
points_prev.push_back(tuv);
point_drag_index = points_prev.size() - 1;
uv_drag_from = tuv;
}
node->set_polygon(points_prev);
node->set_uv(points_prev);
}
CanvasItemEditor::get_singleton()->update_viewport();
}
if (uv_move_current == UV_MODE_CREATE_INTERNAL) {
uv_create_uv_prev = node->get_uv();
uv_create_poly_prev = node->get_polygon();
uv_create_colors_prev = node->get_vertex_colors();
uv_create_bones_prev = node->call("_get_bones");
int internal_vertices = node->get_internal_vertex_count();
Vector2 pos = mtx.affine_inverse().xform(snap_point(mb->get_position()));
uv_create_poly_prev.push_back(pos);
uv_create_uv_prev.push_back(pos);
if (uv_create_colors_prev.size()) {
uv_create_colors_prev.push_back(Color(1, 1, 1));
}
undo_redo->create_action(TTR("Create Internal Vertex"));
undo_redo->add_do_method(node, "set_uv", uv_create_uv_prev);
undo_redo->add_undo_method(node, "set_uv", node->get_uv());
undo_redo->add_do_method(node, "set_polygon", uv_create_poly_prev);
undo_redo->add_undo_method(node, "set_polygon", node->get_polygon());
undo_redo->add_do_method(node, "set_vertex_colors", uv_create_colors_prev);
undo_redo->add_undo_method(node, "set_vertex_colors", node->get_vertex_colors());
for (int i = 0; i < node->get_bone_count(); i++) {
Vector<float> bonew = node->get_bone_weights(i);
bonew.push_back(0);
undo_redo->add_do_method(node, "set_bone_weights", i, bonew);
undo_redo->add_undo_method(node, "set_bone_weights", i, node->get_bone_weights(i));
}
undo_redo->add_do_method(node, "set_internal_vertex_count", internal_vertices + 1);
undo_redo->add_undo_method(node, "set_internal_vertex_count", internal_vertices);
undo_redo->add_do_method(this, "_update_polygon_editing_state");
undo_redo->add_undo_method(this, "_update_polygon_editing_state");
undo_redo->add_do_method(uv_edit_draw, "queue_redraw");
undo_redo->add_undo_method(uv_edit_draw, "queue_redraw");
undo_redo->commit_action();
}
if (uv_move_current == UV_MODE_REMOVE_INTERNAL) {
uv_create_uv_prev = node->get_uv();
uv_create_poly_prev = node->get_polygon();
uv_create_colors_prev = node->get_vertex_colors();
uv_create_bones_prev = node->call("_get_bones");
int internal_vertices = node->get_internal_vertex_count();
if (internal_vertices <= 0) {
return;
}
int closest = -1;
real_t closest_dist = 1e20;
for (int i = points_prev.size() - internal_vertices; i < points_prev.size(); i++) {
Vector2 tuv = mtx.xform(uv_create_poly_prev[i]);
real_t dist = tuv.distance_to(mb->get_position());
if (dist < 8 && dist < closest_dist) {
closest = i;
closest_dist = dist;
}
}
if (closest == -1) {
return;
}
uv_create_poly_prev.remove_at(closest);
uv_create_uv_prev.remove_at(closest);
if (uv_create_colors_prev.size()) {
uv_create_colors_prev.remove_at(closest);
}
undo_redo->create_action(TTR("Remove Internal Vertex"));
undo_redo->add_do_method(node, "set_uv", uv_create_uv_prev);
undo_redo->add_undo_method(node, "set_uv", node->get_uv());
undo_redo->add_do_method(node, "set_polygon", uv_create_poly_prev);
undo_redo->add_undo_method(node, "set_polygon", node->get_polygon());
undo_redo->add_do_method(node, "set_vertex_colors", uv_create_colors_prev);
undo_redo->add_undo_method(node, "set_vertex_colors", node->get_vertex_colors());
for (int i = 0; i < node->get_bone_count(); i++) {
Vector<float> bonew = node->get_bone_weights(i);
bonew.remove_at(closest);
undo_redo->add_do_method(node, "set_bone_weights", i, bonew);
undo_redo->add_undo_method(node, "set_bone_weights", i, node->get_bone_weights(i));
}
undo_redo->add_do_method(node, "set_internal_vertex_count", internal_vertices - 1);
undo_redo->add_undo_method(node, "set_internal_vertex_count", internal_vertices);
undo_redo->add_do_method(this, "_update_polygon_editing_state");
undo_redo->add_undo_method(this, "_update_polygon_editing_state");
undo_redo->add_do_method(uv_edit_draw, "queue_redraw");
undo_redo->add_undo_method(uv_edit_draw, "queue_redraw");
undo_redo->commit_action();
}
if (uv_move_current == UV_MODE_EDIT_POINT) {
if (mb->is_shift_pressed() && mb->is_command_or_control_pressed()) {
uv_move_current = UV_MODE_SCALE;
} else if (mb->is_shift_pressed()) {
uv_move_current = UV_MODE_MOVE;
} else if (mb->is_command_or_control_pressed()) {
uv_move_current = UV_MODE_ROTATE;
}
}
if (uv_move_current == UV_MODE_EDIT_POINT) {
point_drag_index = -1;
for (int i = 0; i < points_prev.size(); i++) {
Vector2 tuv = mtx.xform(points_prev[i]);
if (tuv.distance_to(mb->get_position()) < 8) {
uv_drag_from = tuv;
point_drag_index = i;
}
}
if (point_drag_index == -1) {
uv_drag = false;
}
}
if (uv_move_current == UV_MODE_ADD_POLYGON) {
int closest = -1;
real_t closest_dist = 1e20;
for (int i = 0; i < points_prev.size(); i++) {
Vector2 tuv = mtx.xform(points_prev[i]);
real_t dist = tuv.distance_to(mb->get_position());
if (dist < 8 && dist < closest_dist) {
closest = i;
closest_dist = dist;
}
}
if (closest != -1) {
if (polygon_create.size() && closest == polygon_create[0]) {
//close
if (polygon_create.size() < 3) {
error->set_text(TTR("Invalid Polygon (need 3 different vertices)"));
error->popup_centered();
} else {
Array polygons = node->get_polygons();
polygons = polygons.duplicate(); //copy because its a reference
//todo, could check whether it already exists?
polygons.push_back(polygon_create);
undo_redo->create_action(TTR("Add Custom Polygon"));
undo_redo->add_do_method(node, "set_polygons", polygons);
undo_redo->add_undo_method(node, "set_polygons", node->get_polygons());
undo_redo->add_do_method(uv_edit_draw, "queue_redraw");
undo_redo->add_undo_method(uv_edit_draw, "queue_redraw");
undo_redo->commit_action();
}
polygon_create.clear();
} else if (!polygon_create.has(closest)) {
//add temporarily if not exists
polygon_create.push_back(closest);
}
}
}
if (uv_move_current == UV_MODE_REMOVE_POLYGON) {
Array polygons = node->get_polygons();
polygons = polygons.duplicate(); //copy because its a reference
int erase_index = -1;
for (int i = polygons.size() - 1; i >= 0; i--) {
Vector<int> points = polygons[i];
Vector<Vector2> polys;
polys.resize(points.size());
for (int j = 0; j < polys.size(); j++) {
int idx = points[j];
if (idx < 0 || idx >= points_prev.size()) {
continue;
}
polys.write[j] = mtx.xform(points_prev[idx]);
}
if (Geometry2D::is_point_in_polygon(mb->get_position(), polys)) {
erase_index = i;
break;
}
}
if (erase_index != -1) {
polygons.remove_at(erase_index);
undo_redo->create_action(TTR("Remove Custom Polygon"));
undo_redo->add_do_method(node, "set_polygons", polygons);
undo_redo->add_undo_method(node, "set_polygons", node->get_polygons());
undo_redo->add_do_method(uv_edit_draw, "queue_redraw");
undo_redo->add_undo_method(uv_edit_draw, "queue_redraw");
undo_redo->commit_action();
}
}
if (uv_move_current == UV_MODE_PAINT_WEIGHT || uv_move_current == UV_MODE_CLEAR_WEIGHT) {
int bone_selected = -1;
for (int i = 0; i < bone_scroll_vb->get_child_count(); i++) {
CheckBox *c = Object::cast_to<CheckBox>(bone_scroll_vb->get_child(i));
if (c && c->is_pressed()) {
bone_selected = i;
break;
}
}
if (bone_selected != -1 && node->get_bone_weights(bone_selected).size() == points_prev.size()) {
prev_weights = node->get_bone_weights(bone_selected);
bone_painting = true;
bone_painting_bone = bone_selected;
}
}
} else {
if (uv_drag && !uv_create) {
if (uv_edit_mode[0]->is_pressed()) {
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", points_prev);
undo_redo->add_do_method(uv_edit_draw, "queue_redraw");
undo_redo->add_undo_method(uv_edit_draw, "queue_redraw");
undo_redo->commit_action();
} else if (uv_edit_mode[1]->is_pressed()) {
switch (uv_move_current) {
case UV_MODE_EDIT_POINT:
case UV_MODE_MOVE:
case UV_MODE_ROTATE:
case UV_MODE_SCALE: {
undo_redo->create_action(TTR("Transform Polygon"));
undo_redo->add_do_method(node, "set_polygon", node->get_polygon());
undo_redo->add_undo_method(node, "set_polygon", points_prev);
undo_redo->add_do_method(uv_edit_draw, "queue_redraw");
undo_redo->add_undo_method(uv_edit_draw, "queue_redraw");
undo_redo->commit_action();
} break;
default: {
} break;
}
}
uv_drag = false;
}
if (bone_painting) {
undo_redo->create_action(TTR("Paint Bone Weights"));
undo_redo->add_do_method(node, "set_bone_weights", bone_painting_bone, node->get_bone_weights(bone_painting_bone));
undo_redo->add_undo_method(node, "set_bone_weights", bone_painting_bone, prev_weights);
undo_redo->add_do_method(uv_edit_draw, "queue_redraw");
undo_redo->add_undo_method(uv_edit_draw, "queue_redraw");
undo_redo->commit_action();
bone_painting = false;
}
}
} else if (mb->get_button_index() == MouseButton::RIGHT && mb->is_pressed()) {
_cancel_editing();
if (bone_painting) {
node->set_bone_weights(bone_painting_bone, prev_weights);
}
uv_edit_draw->queue_redraw();
}
}
Ref<InputEventMouseMotion> mm = p_input;
if (mm.is_valid()) {
if (uv_drag) {
Vector2 uv_drag_to = mm->get_position();
uv_drag_to = snap_point(uv_drag_to); // FIXME: Only works correctly with 'UV_MODE_EDIT_POINT', it's imprecise with the rest.
Vector2 drag = mtx.affine_inverse().xform(uv_drag_to) - mtx.affine_inverse().xform(uv_drag_from);
switch (uv_move_current) {
case UV_MODE_CREATE: {
if (uv_create) {
uv_create_to = mtx.affine_inverse().xform(snap_point(mm->get_position()));
}
} break;
case UV_MODE_EDIT_POINT: {
Vector<Vector2> uv_new = points_prev;
uv_new.set(point_drag_index, uv_new[point_drag_index] + drag);
if (uv_edit_mode[0]->is_pressed()) { //edit uv
node->set_uv(uv_new);
} else if (uv_edit_mode[1]->is_pressed()) { //edit polygon
node->set_polygon(uv_new);
}
} break;
case UV_MODE_MOVE: {
Vector<Vector2> uv_new = points_prev;
for (int i = 0; i < uv_new.size(); i++) {
uv_new.set(i, uv_new[i] + drag);
}
if (uv_edit_mode[0]->is_pressed()) { //edit uv
node->set_uv(uv_new);
} else if (uv_edit_mode[1]->is_pressed()) { //edit polygon
node->set_polygon(uv_new);
}
} break;
case UV_MODE_ROTATE: {
Vector2 center;
Vector<Vector2> uv_new = points_prev;
for (int i = 0; i < uv_new.size(); i++) {
center += points_prev[i];
}
center /= uv_new.size();
real_t 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 = points_prev[i] - center;
rel = rel.rotated(angle);
uv_new.set(i, center + rel);
}
if (uv_edit_mode[0]->is_pressed()) { //edit uv
node->set_uv(uv_new);
} else if (uv_edit_mode[1]->is_pressed()) { //edit polygon
node->set_polygon(uv_new);
}
} break;
case UV_MODE_SCALE: {
Vector2 center;
Vector<Vector2> uv_new = points_prev;
for (int i = 0; i < uv_new.size(); i++) {
center += points_prev[i];
}
center /= uv_new.size();
real_t from_dist = uv_drag_from.distance_to(mtx.xform(center));
real_t to_dist = uv_drag_to.distance_to(mtx.xform(center));
if (from_dist < 2) {
break;
}
real_t scale = to_dist / from_dist;
for (int i = 0; i < uv_new.size(); i++) {
Vector2 rel = points_prev[i] - center;
rel = rel * scale;
uv_new.set(i, center + rel);
}
if (uv_edit_mode[0]->is_pressed()) { //edit uv
node->set_uv(uv_new);
} else if (uv_edit_mode[1]->is_pressed()) { //edit polygon
node->set_polygon(uv_new);
}
} break;
case UV_MODE_PAINT_WEIGHT:
case UV_MODE_CLEAR_WEIGHT: {
bone_paint_pos = mm->get_position();
} break;
default: {
}
}
if (bone_painting) {
Vector<float> painted_weights = node->get_bone_weights(bone_painting_bone);
{
int pc = painted_weights.size();
real_t amount = bone_paint_strength->get_value();
real_t radius = bone_paint_radius->get_value() * EDSCALE;
if (uv_mode == UV_MODE_CLEAR_WEIGHT) {
amount = -amount;
}
float *w = painted_weights.ptrw();
const float *r = prev_weights.ptr();
const Vector2 *rv = points_prev.ptr();
for (int i = 0; i < pc; i++) {
if (mtx.xform(rv[i]).distance_to(bone_paint_pos) < radius) {
w[i] = CLAMP(r[i] + amount, 0, 1);
}
}
}
node->set_bone_weights(bone_painting_bone, painted_weights);
}
uv_edit_draw->queue_redraw();
CanvasItemEditor::get_singleton()->update_viewport();
} else if (polygon_create.size()) {
uv_create_to = mtx.affine_inverse().xform(mm->get_position());
uv_edit_draw->queue_redraw();
} else if (uv_mode == UV_MODE_PAINT_WEIGHT || uv_mode == UV_MODE_CLEAR_WEIGHT) {
bone_paint_pos = mm->get_position();
uv_edit_draw->queue_redraw();
}
}
}
void Polygon2DEditor::_center_view() {
Size2 texture_size;
if (node->get_texture().is_valid()) {
texture_size = node->get_texture()->get_size();
Vector2 zoom_factor = (uv_edit_draw->get_size() - Vector2(1, 1) * 50 * EDSCALE) / texture_size;
zoom_widget->set_zoom(MIN(zoom_factor.x, zoom_factor.y));
} else {
zoom_widget->set_zoom(EDSCALE);
}
// Recalculate scroll limits.
_update_zoom_and_pan(false);
Size2 offset = (texture_size - uv_edit_draw->get_size() / uv_draw_zoom) / 2;
uv_hscroll->set_value_no_signal(offset.x);
uv_vscroll->set_value_no_signal(offset.y);
_update_zoom_and_pan(false);
}
void Polygon2DEditor::_uv_pan_callback(Vector2 p_scroll_vec, Ref<InputEvent> p_event) {