virtualx-engine/editor/plugins/gradient_texture_2d_editor_plugin.cpp
Yuri Sizov 4154039832 Improve includes of EditorNode (and everything else)
Also start organizing editor-specific GUI components
into a dedicated folder, `editor/gui`.
Also move `editor_file_server` next to the rest of debugger classes.
2023-04-07 18:59:49 +02:00

285 lines
11 KiB
C++

/**************************************************************************/
/* gradient_texture_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 "gradient_texture_2d_editor_plugin.h"
#include "editor/editor_node.h"
#include "editor/editor_scale.h"
#include "editor/editor_undo_redo_manager.h"
#include "editor/gui/editor_spin_slider.h"
#include "scene/gui/box_container.h"
#include "scene/gui/button.h"
#include "scene/gui/flow_container.h"
#include "scene/gui/separator.h"
Point2 GradientTexture2DEditorRect::_get_handle_position(const Handle p_handle) {
// Get the handle's mouse position in pixels relative to offset.
return (p_handle == HANDLE_FILL_FROM ? texture->get_fill_from() : texture->get_fill_to()).clamp(Vector2(), Vector2(1, 1)) * size;
}
void GradientTexture2DEditorRect::_update_fill_position() {
if (handle == HANDLE_NONE) {
return;
}
// Update the texture's fill_from/fill_to property based on mouse input.
Vector2 percent = ((get_local_mouse_position() - offset) / size).clamp(Vector2(), Vector2(1, 1));
if (snap_enabled) {
percent = (percent - Vector2(0.5, 0.5)).snapped(Vector2(snap_size, snap_size)) + Vector2(0.5, 0.5);
}
String property_name = handle == HANDLE_FILL_FROM ? "fill_from" : "fill_to";
EditorUndoRedoManager *undo_redo = EditorUndoRedoManager::get_singleton();
undo_redo->create_action(vformat(TTR("Set %s"), property_name), UndoRedo::MERGE_ENDS);
undo_redo->add_do_property(texture.ptr(), property_name, percent);
undo_redo->add_undo_property(texture.ptr(), property_name, handle == HANDLE_FILL_FROM ? texture->get_fill_from() : texture->get_fill_to());
undo_redo->commit_action();
}
void GradientTexture2DEditorRect::gui_input(const Ref<InputEvent> &p_event) {
// Grab/release handle.
const Ref<InputEventMouseButton> mb = p_event;
if (mb.is_valid() && mb->get_button_index() == MouseButton::LEFT) {
if (mb->is_pressed()) {
Point2 mouse_position = mb->get_position() - offset;
if (Rect2(_get_handle_position(HANDLE_FILL_FROM).round() - handle_size / 2, handle_size).has_point(mouse_position)) {
handle = HANDLE_FILL_FROM;
} else if (Rect2(_get_handle_position(HANDLE_FILL_TO).round() - handle_size / 2, handle_size).has_point(mouse_position)) {
handle = HANDLE_FILL_TO;
} else {
handle = HANDLE_NONE;
}
} else {
_update_fill_position();
handle = HANDLE_NONE;
}
}
// Move handle.
const Ref<InputEventMouseMotion> mm = p_event;
if (mm.is_valid()) {
_update_fill_position();
}
}
void GradientTexture2DEditorRect::set_texture(Ref<GradientTexture2D> &p_texture) {
texture = p_texture;
texture->connect("changed", callable_mp((CanvasItem *)this, &CanvasItem::queue_redraw));
}
void GradientTexture2DEditorRect::set_snap_enabled(bool p_snap_enabled) {
snap_enabled = p_snap_enabled;
queue_redraw();
}
void GradientTexture2DEditorRect::set_snap_size(float p_snap_size) {
snap_size = p_snap_size;
queue_redraw();
}
void GradientTexture2DEditorRect::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_ENTER_TREE:
case NOTIFICATION_THEME_CHANGED: {
checkerboard->set_texture(get_theme_icon(SNAME("GuiMiniCheckerboard"), SNAME("EditorIcons")));
} break;
case NOTIFICATION_DRAW: {
if (texture.is_null()) {
return;
}
const Ref<Texture2D> fill_from_icon = get_theme_icon(SNAME("EditorPathSmoothHandle"), SNAME("EditorIcons"));
const Ref<Texture2D> fill_to_icon = get_theme_icon(SNAME("EditorPathSharpHandle"), SNAME("EditorIcons"));
handle_size = fill_from_icon->get_size();
Size2 rect_size = get_size();
// Get the size and position to draw the texture and handles at.
// Subtract handle sizes so they stay inside the preview, but keep the texture's aspect ratio.
Size2 available_size = rect_size - handle_size;
Size2 ratio = available_size / texture->get_size();
size = MIN(ratio.x, ratio.y) * texture->get_size();
offset = ((rect_size - size) / 2).round();
checkerboard->set_rect(Rect2(offset, size));
draw_set_transform(offset);
draw_texture_rect(texture, Rect2(Point2(), size));
// Draw grid snap lines.
if (snap_enabled) {
const Color primary_line_color = Color(0.5, 0.5, 0.5, 0.9);
const Color line_color = Color(0.5, 0.5, 0.5, 0.5);
// Draw border and centered axis lines.
draw_rect(Rect2(Point2(), size), primary_line_color, false);
draw_line(Point2(size.width / 2, 0), Point2(size.width / 2, size.height), primary_line_color);
draw_line(Point2(0, size.height / 2), Point2(size.width, size.height / 2), primary_line_color);
// Draw vertical lines.
int prev_idx = 0;
for (int x = 0; x < size.width; x++) {
int idx = int((x / size.width - 0.5) / snap_size);
if (x > 0 && prev_idx != idx) {
draw_line(Point2(x, 0), Point2(x, size.height), line_color);
}
prev_idx = idx;
}
// Draw horizontal lines.
prev_idx = 0;
for (int y = 0; y < size.height; y++) {
int idx = int((y / size.height - 0.5) / snap_size);
if (y > 0 && prev_idx != idx) {
draw_line(Point2(0, y), Point2(size.width, y), line_color);
}
prev_idx = idx;
}
}
// Draw handles.
draw_texture(fill_from_icon, (_get_handle_position(HANDLE_FILL_FROM) - handle_size / 2).round());
draw_texture(fill_to_icon, (_get_handle_position(HANDLE_FILL_TO) - handle_size / 2).round());
} break;
}
}
GradientTexture2DEditorRect::GradientTexture2DEditorRect() {
checkerboard = memnew(TextureRect);
checkerboard->set_stretch_mode(TextureRect::STRETCH_TILE);
checkerboard->set_expand_mode(TextureRect::EXPAND_IGNORE_SIZE);
checkerboard->set_draw_behind_parent(true);
add_child(checkerboard, false, INTERNAL_MODE_FRONT);
set_custom_minimum_size(Size2(0, 250 * EDSCALE));
}
///////////////////////
void GradientTexture2DEditor::_reverse_button_pressed() {
EditorUndoRedoManager *undo_redo = EditorUndoRedoManager::get_singleton();
undo_redo->create_action(TTR("Swap GradientTexture2D Fill Points"));
undo_redo->add_do_property(texture.ptr(), "fill_from", texture->get_fill_to());
undo_redo->add_do_property(texture.ptr(), "fill_to", texture->get_fill_from());
undo_redo->add_undo_property(texture.ptr(), "fill_from", texture->get_fill_from());
undo_redo->add_undo_property(texture.ptr(), "fill_to", texture->get_fill_to());
undo_redo->commit_action();
}
void GradientTexture2DEditor::_set_snap_enabled(bool p_enabled) {
texture_editor_rect->set_snap_enabled(p_enabled);
snap_size_edit->set_visible(p_enabled);
}
void GradientTexture2DEditor::_set_snap_size(float p_snap_size) {
texture_editor_rect->set_snap_size(MAX(p_snap_size, 0.01));
}
void GradientTexture2DEditor::set_texture(Ref<GradientTexture2D> &p_texture) {
texture = p_texture;
texture_editor_rect->set_texture(p_texture);
}
void GradientTexture2DEditor::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_ENTER_TREE:
case NOTIFICATION_THEME_CHANGED: {
reverse_button->set_icon(get_theme_icon(SNAME("ReverseGradient"), SNAME("EditorIcons")));
snap_button->set_icon(get_theme_icon(SNAME("SnapGrid"), SNAME("EditorIcons")));
} break;
}
}
GradientTexture2DEditor::GradientTexture2DEditor() {
HFlowContainer *toolbar = memnew(HFlowContainer);
add_child(toolbar);
reverse_button = memnew(Button);
reverse_button->set_tooltip_text(TTR("Swap Gradient Fill Points"));
toolbar->add_child(reverse_button);
reverse_button->connect("pressed", callable_mp(this, &GradientTexture2DEditor::_reverse_button_pressed));
toolbar->add_child(memnew(VSeparator));
snap_button = memnew(Button);
snap_button->set_tooltip_text(TTR("Toggle Grid Snap"));
snap_button->set_toggle_mode(true);
toolbar->add_child(snap_button);
snap_button->connect("toggled", callable_mp(this, &GradientTexture2DEditor::_set_snap_enabled));
snap_size_edit = memnew(EditorSpinSlider);
snap_size_edit->set_min(0.01);
snap_size_edit->set_max(0.5);
snap_size_edit->set_step(0.01);
snap_size_edit->set_value(0.1);
snap_size_edit->set_custom_minimum_size(Size2(65 * EDSCALE, 0));
toolbar->add_child(snap_size_edit);
snap_size_edit->connect("value_changed", callable_mp(this, &GradientTexture2DEditor::_set_snap_size));
texture_editor_rect = memnew(GradientTexture2DEditorRect);
add_child(texture_editor_rect);
set_mouse_filter(MOUSE_FILTER_STOP);
_set_snap_enabled(snap_button->is_pressed());
_set_snap_size(snap_size_edit->get_value());
}
///////////////////////
bool EditorInspectorPluginGradientTexture2D::can_handle(Object *p_object) {
return Object::cast_to<GradientTexture2D>(p_object) != nullptr;
}
void EditorInspectorPluginGradientTexture2D::parse_begin(Object *p_object) {
GradientTexture2D *texture = Object::cast_to<GradientTexture2D>(p_object);
if (!texture) {
return;
}
Ref<GradientTexture2D> t(texture);
GradientTexture2DEditor *editor = memnew(GradientTexture2DEditor);
editor->set_texture(t);
add_custom_control(editor);
}
///////////////////////
GradientTexture2DEditorPlugin::GradientTexture2DEditorPlugin() {
Ref<EditorInspectorPluginGradientTexture2D> plugin;
plugin.instantiate();
add_inspector_plugin(plugin);
}