323 lines
12 KiB
C++
323 lines
12 KiB
C++
/*************************************************************************/
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/* tiles_editor_plugin.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "tiles_editor_plugin.h"
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#include "core/os/mutex.h"
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#include "editor/editor_node.h"
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#include "editor/editor_scale.h"
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#include "editor/plugins/canvas_item_editor_plugin.h"
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#include "scene/2d/tile_map.h"
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#include "scene/gui/box_container.h"
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#include "scene/gui/button.h"
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#include "scene/gui/control.h"
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#include "scene/gui/separator.h"
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#include "scene/resources/tile_set.h"
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#include "tile_set_editor.h"
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TilesEditorPlugin *TilesEditorPlugin::singleton = nullptr;
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void TilesEditorPlugin::_pattern_preview_done() {
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pattern_preview_done.set();
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}
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void TilesEditorPlugin::_thread_func(void *ud) {
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TilesEditorPlugin *te = (TilesEditorPlugin *)ud;
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te->_thread();
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}
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void TilesEditorPlugin::_thread() {
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pattern_thread_exited.clear();
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while (!pattern_thread_exit.is_set()) {
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pattern_preview_sem.wait();
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pattern_preview_mutex.lock();
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if (pattern_preview_queue.size()) {
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QueueItem item = pattern_preview_queue.front()->get();
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pattern_preview_queue.pop_front();
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pattern_preview_mutex.unlock();
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int thumbnail_size = EditorSettings::get_singleton()->get("filesystem/file_dialog/thumbnail_size");
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thumbnail_size *= EDSCALE;
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Vector2 thumbnail_size2 = Vector2(thumbnail_size, thumbnail_size);
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if (item.pattern.is_valid() && !item.pattern->is_empty()) {
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// Generate the pattern preview
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SubViewport *viewport = memnew(SubViewport);
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viewport->set_size(thumbnail_size2);
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viewport->set_disable_input(true);
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viewport->set_transparent_background(true);
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viewport->set_update_mode(SubViewport::UPDATE_ONCE);
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TileMap *tile_map = memnew(TileMap);
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tile_map->set_tileset(item.tile_set);
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tile_map->set_pattern(0, Vector2(), item.pattern);
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viewport->add_child(tile_map);
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TypedArray<Vector2i> used_cells = tile_map->get_used_cells(0);
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Rect2 encompassing_rect = Rect2();
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encompassing_rect.set_position(tile_map->map_to_world(used_cells[0]));
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for (int i = 0; i < used_cells.size(); i++) {
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Vector2i cell = used_cells[i];
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Vector2 world_pos = tile_map->map_to_world(cell);
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encompassing_rect.expand_to(world_pos);
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// Texture.
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Ref<TileSetAtlasSource> atlas_source = tile_set->get_source(tile_map->get_cell_source_id(0, cell));
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if (atlas_source.is_valid()) {
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Vector2i coords = tile_map->get_cell_atlas_coords(0, cell);
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int alternative = tile_map->get_cell_alternative_tile(0, cell);
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Vector2 center = world_pos - atlas_source->get_tile_effective_texture_offset(coords, alternative);
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encompassing_rect.expand_to(center - atlas_source->get_tile_texture_region(coords).size / 2);
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encompassing_rect.expand_to(center + atlas_source->get_tile_texture_region(coords).size / 2);
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}
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}
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Vector2 scale = thumbnail_size2 / MAX(encompassing_rect.size.x, encompassing_rect.size.y);
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tile_map->set_scale(scale);
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tile_map->set_position(-(scale * encompassing_rect.get_center()) + thumbnail_size2 / 2);
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// Add the viewport at the lasst moment to avoid rendering too early.
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EditorNode::get_singleton()->add_child(viewport);
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pattern_preview_done.clear();
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RS::get_singleton()->request_frame_drawn_callback(callable_mp(const_cast<TilesEditorPlugin *>(this), &TilesEditorPlugin::_pattern_preview_done));
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while (!pattern_preview_done.is_set()) {
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OS::get_singleton()->delay_usec(10);
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}
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Ref<Image> image = viewport->get_texture()->get_image();
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Ref<ImageTexture> image_texture;
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image_texture.instantiate();
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image_texture->create_from_image(image);
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// Find the index for the given pattern. TODO: optimize.
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Variant args[] = { item.pattern, image_texture };
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const Variant *args_ptr[] = { &args[0], &args[1] };
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Variant r;
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Callable::CallError error;
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item.callback.call(args_ptr, 2, r, error);
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viewport->queue_delete();
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} else {
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pattern_preview_mutex.unlock();
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}
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}
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}
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pattern_thread_exited.set();
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}
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void TilesEditorPlugin::_tile_map_changed() {
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tile_map_changed_needs_update = true;
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}
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void TilesEditorPlugin::_update_editors() {
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// If tile_map is not edited, we change the edited only if we are not editing a tile_set.
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tileset_editor->edit(tile_set);
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TileMap *tile_map = Object::cast_to<TileMap>(ObjectDB::get_instance(tile_map_id));
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if (tile_map) {
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tilemap_editor->edit(tile_map);
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} else {
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tilemap_editor->edit(nullptr);
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}
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// Update the viewport.
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CanvasItemEditor::get_singleton()->update_viewport();
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}
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void TilesEditorPlugin::_notification(int p_what) {
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switch (p_what) {
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case NOTIFICATION_INTERNAL_PROCESS: {
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if (tile_map_changed_needs_update) {
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TileMap *tile_map = Object::cast_to<TileMap>(ObjectDB::get_instance(tile_map_id));
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if (tile_map) {
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tile_set = tile_map->get_tileset();
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}
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_update_editors();
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tile_map_changed_needs_update = false;
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}
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} break;
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}
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}
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void TilesEditorPlugin::make_visible(bool p_visible) {
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if (p_visible) {
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// Disable and hide invalid editors.
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TileMap *tile_map = Object::cast_to<TileMap>(ObjectDB::get_instance(tile_map_id));
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tileset_editor_button->set_visible(tile_set.is_valid());
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tilemap_editor_button->set_visible(tile_map);
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if (tile_map) {
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editor_node->make_bottom_panel_item_visible(tilemap_editor);
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} else {
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editor_node->make_bottom_panel_item_visible(tileset_editor);
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}
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} else {
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tileset_editor_button->hide();
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tilemap_editor_button->hide();
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editor_node->hide_bottom_panel();
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}
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}
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void TilesEditorPlugin::queue_pattern_preview(Ref<TileSet> p_tile_set, Ref<TileMapPattern> p_pattern, Callable p_callback) {
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ERR_FAIL_COND(!p_tile_set.is_valid());
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ERR_FAIL_COND(!p_pattern.is_valid());
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{
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MutexLock lock(pattern_preview_mutex);
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pattern_preview_queue.push_back({ p_tile_set, p_pattern, p_callback });
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}
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pattern_preview_sem.post();
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}
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void TilesEditorPlugin::set_sources_lists_current(int p_current) {
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atlas_sources_lists_current = p_current;
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}
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void TilesEditorPlugin::synchronize_sources_list(Object *p_current) {
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ItemList *item_list = Object::cast_to<ItemList>(p_current);
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ERR_FAIL_COND(!item_list);
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if (item_list->is_visible_in_tree()) {
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if (atlas_sources_lists_current < 0 || atlas_sources_lists_current >= item_list->get_item_count()) {
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item_list->deselect_all();
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} else {
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item_list->set_current(atlas_sources_lists_current);
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item_list->emit_signal(SNAME("item_selected"), atlas_sources_lists_current);
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}
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}
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}
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void TilesEditorPlugin::set_atlas_view_transform(float p_zoom, Vector2 p_scroll) {
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atlas_view_zoom = p_zoom;
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atlas_view_scroll = p_scroll;
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}
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void TilesEditorPlugin::synchronize_atlas_view(Object *p_current) {
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TileAtlasView *tile_atlas_view = Object::cast_to<TileAtlasView>(p_current);
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ERR_FAIL_COND(!tile_atlas_view);
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if (tile_atlas_view->is_visible_in_tree()) {
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tile_atlas_view->set_transform(atlas_view_zoom, atlas_view_scroll);
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}
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}
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void TilesEditorPlugin::edit(Object *p_object) {
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// Disconnect to changes.
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TileMap *tile_map = Object::cast_to<TileMap>(ObjectDB::get_instance(tile_map_id));
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if (tile_map) {
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tile_map->disconnect("changed", callable_mp(this, &TilesEditorPlugin::_tile_map_changed));
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}
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// Update edited objects.
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tile_set = Ref<TileSet>();
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if (p_object) {
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if (p_object->is_class("TileMap")) {
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tile_map_id = p_object->get_instance_id();
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tile_map = Object::cast_to<TileMap>(ObjectDB::get_instance(tile_map_id));
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tile_set = tile_map->get_tileset();
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editor_node->make_bottom_panel_item_visible(tilemap_editor);
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} else if (p_object->is_class("TileSet")) {
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tile_set = Ref<TileSet>(p_object);
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if (tile_map) {
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if (tile_map->get_tileset() != tile_set || !tile_map->is_inside_tree()) {
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tile_map = nullptr;
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tile_map_id = ObjectID();
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}
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}
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editor_node->make_bottom_panel_item_visible(tileset_editor);
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}
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}
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// Update the editors.
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_update_editors();
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// Add change listener.
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if (tile_map) {
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tile_map->connect("changed", callable_mp(this, &TilesEditorPlugin::_tile_map_changed));
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}
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}
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bool TilesEditorPlugin::handles(Object *p_object) const {
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return p_object->is_class("TileMap") || p_object->is_class("TileSet");
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}
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TilesEditorPlugin::TilesEditorPlugin(EditorNode *p_node) {
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set_process_internal(true);
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// Update the singleton.
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singleton = this;
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editor_node = p_node;
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// Tileset editor.
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tileset_editor = memnew(TileSetEditor);
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tileset_editor->set_h_size_flags(Control::SIZE_EXPAND_FILL);
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tileset_editor->set_v_size_flags(Control::SIZE_EXPAND_FILL);
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tileset_editor->set_custom_minimum_size(Size2(0, 200) * EDSCALE);
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tileset_editor->hide();
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// Tilemap editor.
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tilemap_editor = memnew(TileMapEditor);
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tilemap_editor->set_h_size_flags(Control::SIZE_EXPAND_FILL);
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tilemap_editor->set_v_size_flags(Control::SIZE_EXPAND_FILL);
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tilemap_editor->set_custom_minimum_size(Size2(0, 200) * EDSCALE);
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tilemap_editor->hide();
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// Pattern preview generation thread.
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pattern_preview_thread.start(_thread_func, this);
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// Bottom buttons.
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tileset_editor_button = p_node->add_bottom_panel_item(TTR("TileSet"), tileset_editor);
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tileset_editor_button->hide();
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tilemap_editor_button = p_node->add_bottom_panel_item(TTR("TileMap"), tilemap_editor);
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tilemap_editor_button->hide();
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// Initialization.
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_update_editors();
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}
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TilesEditorPlugin::~TilesEditorPlugin() {
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if (pattern_preview_thread.is_started()) {
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pattern_thread_exit.set();
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pattern_preview_sem.post();
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while (!pattern_thread_exited.is_set()) {
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OS::get_singleton()->delay_usec(10000);
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RenderingServer::get_singleton()->sync(); //sync pending stuff, as thread may be blocked on visual server
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}
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pattern_preview_thread.wait_to_finish();
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}
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}
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