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Improve UV editor zoom behavior

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Scrolling focuses towards mouse like in canvas editor.
Center view on opening.
Adjust scroll area to include polygons larger than texture.
Change zoom slider to EditorZoomWidget.
This commit is contained in:
aXu-AP
2023-10-21 13:23:35 +03:00
parent 9b522ac1a8
commit 5bdb5f5c37
2 changed files with 80 additions and 81 deletions
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152
editor/plugins/polygon_2d_editor_plugin.cpp
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@@ -36,6 +36,7 @@
#include "editor/editor_scale.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 "scene/2d/skeleton_2d.h"
#include "scene/gui/check_box.h"
@@ -96,10 +97,14 @@ void Polygon2DEditor::_notification(int p_what) {
b_snap_grid->set_icon(get_editor_theme_icon(SNAME("Grid")));
b_snap_enable->set_icon(get_editor_theme_icon(SNAME("SnapGrid")));
uv_icon_zoom->set_texture(get_editor_theme_icon(SNAME("Zoom")));
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: {
@@ -317,6 +322,7 @@ void Polygon2DEditor::_menu_option(int p_option) {
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();
@@ -470,7 +476,7 @@ void Polygon2DEditor::_uv_input(const Ref<InputEvent> &p_input) {
}
Transform2D mtx;
mtx.columns[2] = -uv_draw_ofs;
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();
@@ -941,36 +947,79 @@ void Polygon2DEditor::_uv_input(const Ref<InputEvent> &p_input) {
uv_edit_draw->queue_redraw();
}
}
}
Ref<InputEventMagnifyGesture> magnify_gesture = p_input;
if (magnify_gesture.is_valid()) {
uv_zoom->set_value(uv_zoom->get_value() * magnify_gesture->get_factor());
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);
Ref<InputEventPanGesture> pan_gesture = p_input;
if (pan_gesture.is_valid()) {
uv_hscroll->set_value(uv_hscroll->get_value() + uv_hscroll->get_page() * pan_gesture->get_delta().x / 8);
uv_vscroll->set_value(uv_vscroll->get_value() + uv_vscroll->get_page() * pan_gesture->get_delta().y / 8);
}
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) {
uv_hscroll->set_value(uv_hscroll->get_value() - p_scroll_vec.x);
uv_vscroll->set_value(uv_vscroll->get_value() - p_scroll_vec.y);
uv_hscroll->set_value_no_signal(uv_hscroll->get_value() - p_scroll_vec.x / uv_draw_zoom);
uv_vscroll->set_value_no_signal(uv_vscroll->get_value() - p_scroll_vec.y / uv_draw_zoom);
_update_zoom_and_pan(false);
}
void Polygon2DEditor::_uv_zoom_callback(float p_zoom_factor, Vector2 p_origin, Ref<InputEvent> p_event) {
uv_zoom->set_value(uv_zoom->get_value() * p_zoom_factor);
zoom_widget->set_zoom(uv_draw_zoom * p_zoom_factor);
uv_draw_ofs += p_origin / uv_draw_zoom - p_origin / zoom_widget->get_zoom();
uv_hscroll->set_value_no_signal(uv_draw_ofs.x);
uv_vscroll->set_value_no_signal(uv_draw_ofs.y);
_update_zoom_and_pan(false);
}
void Polygon2DEditor::_uv_scroll_changed(real_t) {
if (updating_uv_scroll) {
return;
void Polygon2DEditor::_update_zoom_and_pan(bool p_zoom_at_center) {
uv_draw_ofs = Vector2(uv_hscroll->get_value(), uv_vscroll->get_value());
real_t previous_zoom = uv_draw_zoom;
uv_draw_zoom = zoom_widget->get_zoom();
if (p_zoom_at_center) {
Vector2 center = uv_edit_draw->get_size() / 2;
uv_draw_ofs += center / previous_zoom - center / uv_draw_zoom;
}
uv_draw_ofs.x = uv_hscroll->get_value();
uv_draw_ofs.y = uv_vscroll->get_value();
uv_draw_zoom = uv_zoom->get_value();
Point2 min_corner;
Point2 max_corner;
if (node->get_texture().is_valid()) {
max_corner += node->get_texture()->get_size();
}
Vector<Vector2> points = uv_edit_mode[0]->is_pressed() ? node->get_uv() : node->get_polygon();
for (int i = 0; i < points.size(); i++) {
min_corner = min_corner.min(points[i]);
max_corner = max_corner.max(points[i]);
}
Size2 page_size = uv_edit_draw->get_size() / uv_draw_zoom;
Vector2 margin = Vector2(50, 50) * EDSCALE / uv_draw_zoom;
min_corner -= page_size - margin;
max_corner += page_size - margin;
uv_hscroll->set_block_signals(true);
uv_hscroll->set_min(min_corner.x);
uv_hscroll->set_max(max_corner.x);
uv_hscroll->set_page(page_size.x);
uv_hscroll->set_value(uv_draw_ofs.x);
uv_hscroll->set_block_signals(false);
uv_vscroll->set_block_signals(true);
uv_vscroll->set_min(min_corner.y);
uv_vscroll->set_max(max_corner.y);
uv_vscroll->set_page(page_size.y);
uv_vscroll->set_value(uv_draw_ofs.y);
uv_vscroll->set_block_signals(false);
uv_edit_draw->queue_redraw();
}
@@ -987,7 +1036,7 @@ void Polygon2DEditor::_uv_draw() {
String warning;
Transform2D mtx;
mtx.columns[2] = -uv_draw_ofs;
mtx.columns[2] = -uv_draw_ofs * uv_draw_zoom;
mtx.scale_basis(Vector2(uv_draw_zoom, uv_draw_zoom));
// Draw texture as a background if editing uvs or no uv mapping exist.
@@ -1094,7 +1143,6 @@ void Polygon2DEditor::_uv_draw() {
polygon_fill_color.push_back(pf);
}
Color prev_color = Color(0.5, 0.5, 0.5);
Rect2 rect;
int uv_draw_max = uvs.size();
@@ -1222,40 +1270,6 @@ void Polygon2DEditor::_uv_draw() {
//draw paint circle
uv_edit_draw->draw_circle(bone_paint_pos, bone_paint_radius->get_value() * EDSCALE, Color(1, 1, 1, 0.1));
}
rect.position = -uv_edit_draw->get_size();
rect.size = uv_edit_draw->get_size() * 2.0 + base_tex->get_size() * uv_draw_zoom;
updating_uv_scroll = true;
uv_hscroll->set_min(rect.position.x);
uv_hscroll->set_max(rect.position.x + rect.size.x);
if (ABS(rect.position.x - (rect.position.x + rect.size.x)) <= uv_edit_draw->get_size().x) {
uv_hscroll->hide();
} else {
uv_hscroll->show();
uv_hscroll->set_page(uv_edit_draw->get_size().x);
uv_hscroll->set_value(uv_draw_ofs.x);
}
uv_vscroll->set_min(rect.position.y);
uv_vscroll->set_max(rect.position.y + rect.size.y);
if (ABS(rect.position.y - (rect.position.y + rect.size.y)) <= uv_edit_draw->get_size().y) {
uv_vscroll->hide();
} else {
uv_vscroll->show();
uv_vscroll->set_page(uv_edit_draw->get_size().y);
uv_vscroll->set_value(uv_draw_ofs.y);
}
Size2 hmin = uv_hscroll->get_combined_minimum_size();
Size2 vmin = uv_vscroll->get_combined_minimum_size();
// Avoid scrollbar overlapping.
uv_hscroll->set_anchor_and_offset(SIDE_RIGHT, ANCHOR_END, uv_vscroll->is_visible() ? -vmin.width : 0);
uv_vscroll->set_anchor_and_offset(SIDE_BOTTOM, ANCHOR_END, uv_hscroll->is_visible() ? -hmin.height : 0);
updating_uv_scroll = false;
}
void Polygon2DEditor::_bind_methods() {
@@ -1480,33 +1494,20 @@ Polygon2DEditor::Polygon2DEditor() {
sb_step_y->connect("value_changed", callable_mp(this, &Polygon2DEditor::_set_snap_step_y));
grid_settings_vb->add_margin_child(TTR("Grid Step Y:"), sb_step_y);
uv_mode_hb->add_child(memnew(VSeparator));
uv_icon_zoom = memnew(TextureRect);
uv_icon_zoom->set_stretch_mode(TextureRect::STRETCH_KEEP_CENTERED);
uv_mode_hb->add_child(uv_icon_zoom);
uv_zoom = memnew(HSlider);
uv_zoom->set_min(0.01);
uv_zoom->set_max(16);
uv_zoom->set_value(1);
uv_zoom->set_step(0.01);
uv_zoom->set_v_size_flags(SIZE_SHRINK_CENTER);
uv_mode_hb->add_child(uv_zoom);
uv_zoom->set_custom_minimum_size(Size2(80 * EDSCALE, 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", callable_mp(this, &Polygon2DEditor::_uv_scroll_changed));
zoom_widget = memnew(EditorZoomWidget);
uv_edit_draw->add_child(zoom_widget);
zoom_widget->set_anchors_and_offsets_preset(Control::PRESET_TOP_LEFT, Control::PRESET_MODE_MINSIZE, 2 * EDSCALE);
zoom_widget->connect("zoom_changed", callable_mp(this, &Polygon2DEditor::_update_zoom_and_pan).unbind(1).bind(true));
zoom_widget->set_shortcut_context(nullptr);
uv_vscroll = memnew(VScrollBar);
uv_vscroll->set_step(0.001);
uv_edit_draw->add_child(uv_vscroll);
uv_vscroll->connect("value_changed", callable_mp(this, &Polygon2DEditor::_uv_scroll_changed));
uv_vscroll->connect("value_changed", callable_mp(this, &Polygon2DEditor::_update_zoom_and_pan).unbind(1).bind(false));
uv_hscroll = memnew(HScrollBar);
uv_hscroll->set_step(0.001);
uv_edit_draw->add_child(uv_hscroll);
uv_hscroll->connect("value_changed", callable_mp(this, &Polygon2DEditor::_uv_scroll_changed));
uv_hscroll->connect("value_changed", callable_mp(this, &Polygon2DEditor::_update_zoom_and_pan).unbind(1).bind(false));
bone_scroll_main_vb = memnew(VBoxContainer);
bone_scroll_main_vb->hide();
@@ -1535,7 +1536,6 @@ Polygon2DEditor::Polygon2DEditor() {
point_drag_index = -1;
uv_drag = false;
uv_create = false;
updating_uv_scroll = false;
bone_painting = false;
error = memnew(AcceptDialog);