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godot/editor/plugins/tiles/tiles_editor_plugin.cpp

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/**************************************************************************/
/* tiles_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 "tiles_editor_plugin.h"
#include "tile_set_editor.h"
#include "core/os/mutex.h"
#include "editor/editor_command_palette.h"
#include "editor/editor_interface.h"
#include "editor/editor_node.h"
#include "editor/editor_settings.h"
#include "editor/editor_string_names.h"
#include "editor/gui/editor_bottom_panel.h"
#include "editor/multi_node_edit.h"
#include "editor/plugins/canvas_item_editor_plugin.h"
#include "editor/themes/editor_scale.h"
#include "scene/2d/tile_map.h"
#include "scene/2d/tile_map_layer.h"
#include "scene/gui/box_container.h"
#include "scene/gui/button.h"
#include "scene/gui/control.h"
#include "scene/gui/separator.h"
#include "scene/resources/2d/tile_set.h"
#include "scene/resources/image_texture.h"
TilesEditorUtils *TilesEditorUtils::singleton = nullptr;
TileMapEditorPlugin *tile_map_plugin_singleton = nullptr;
TileSetEditorPlugin *tile_set_plugin_singleton = nullptr;
void TilesEditorUtils::_preview_frame_started() {
RS::get_singleton()->request_frame_drawn_callback(callable_mp(const_cast<TilesEditorUtils *>(this), &TilesEditorUtils::_pattern_preview_done));
}
void TilesEditorUtils::_pattern_preview_done() {
pattern_preview_done.post();
}
void TilesEditorUtils::_thread_func(void *ud) {
TilesEditorUtils *te = static_cast<TilesEditorUtils *>(ud);
set_current_thread_safe_for_nodes(true);
te->_thread();
}
void TilesEditorUtils::_thread() {
pattern_thread_exited.clear();
while (!pattern_thread_exit.is_set()) {
pattern_preview_sem.wait();
pattern_preview_mutex.lock();
if (pattern_preview_queue.size() == 0) {
pattern_preview_mutex.unlock();
} else {
QueueItem item = pattern_preview_queue.front()->get();
pattern_preview_queue.pop_front();
pattern_preview_mutex.unlock();
int thumbnail_size = EDITOR_GET("filesystem/file_dialog/thumbnail_size");
thumbnail_size *= EDSCALE;
Vector2 thumbnail_size2 = Vector2(thumbnail_size, thumbnail_size);
if (item.pattern.is_valid() && !item.pattern->is_empty()) {
// Generate the pattern preview
SubViewport *viewport = memnew(SubViewport);
viewport->set_size(thumbnail_size2);
viewport->set_disable_input(true);
viewport->set_transparent_background(true);
viewport->set_update_mode(SubViewport::UPDATE_ONCE);
TileMap *tile_map = memnew(TileMap);
tile_map->set_tileset(item.tile_set);
tile_map->set_pattern(0, Vector2(), item.pattern);
viewport->add_child(tile_map);
TypedArray<Vector2i> used_cells = tile_map->get_used_cells(0);
Rect2 encompassing_rect;
encompassing_rect.set_position(tile_map->map_to_local(used_cells[0]));
for (int i = 0; i < used_cells.size(); i++) {
Vector2i cell = used_cells[i];
Vector2 world_pos = tile_map->map_to_local(cell);
encompassing_rect.expand_to(world_pos);
// Texture.
Ref<TileSetAtlasSource> atlas_source = item.tile_set->get_source(tile_map->get_cell_source_id(0, cell));
if (atlas_source.is_valid()) {
Vector2i coords = tile_map->get_cell_atlas_coords(0, cell);
int alternative = tile_map->get_cell_alternative_tile(0, cell);
if (atlas_source->has_tile(coords) && atlas_source->has_alternative_tile(coords, alternative)) {
Vector2 center = world_pos - atlas_source->get_tile_data(coords, alternative)->get_texture_origin();
encompassing_rect.expand_to(center - atlas_source->get_tile_texture_region(coords).size / 2);
encompassing_rect.expand_to(center + atlas_source->get_tile_texture_region(coords).size / 2);
}
}
}
Vector2 scale = thumbnail_size2 / MAX(encompassing_rect.size.x, encompassing_rect.size.y);
tile_map->set_scale(scale);
tile_map->set_position(-(scale * encompassing_rect.get_center()) + thumbnail_size2 / 2);
// Add the viewport at the last moment to avoid rendering too early.
callable_mp((Node *)EditorNode::get_singleton(), &Node::add_child).call_deferred(viewport, false, Node::INTERNAL_MODE_DISABLED);
RS::get_singleton()->connect(SNAME("frame_pre_draw"), callable_mp(const_cast<TilesEditorUtils *>(this), &TilesEditorUtils::_preview_frame_started), Object::CONNECT_ONE_SHOT);
pattern_preview_done.wait();
Ref<Image> image = viewport->get_texture()->get_image();
// Find the index for the given pattern. TODO: optimize.
item.callback.call(item.pattern, ImageTexture::create_from_image(image));
viewport->queue_free();
}
}
}
pattern_thread_exited.set();
}
void TilesEditorUtils::queue_pattern_preview(Ref<TileSet> p_tile_set, Ref<TileMapPattern> p_pattern, Callable p_callback) {
ERR_FAIL_COND(!p_tile_set.is_valid());
ERR_FAIL_COND(!p_pattern.is_valid());
{
MutexLock lock(pattern_preview_mutex);
pattern_preview_queue.push_back({ p_tile_set, p_pattern, p_callback });
}
pattern_preview_sem.post();
}
void TilesEditorUtils::set_sources_lists_current(int p_current) {
atlas_sources_lists_current = p_current;
}
void TilesEditorUtils::synchronize_sources_list(Object *p_current_list, Object *p_current_sort_button) {
ItemList *item_list = Object::cast_to<ItemList>(p_current_list);
MenuButton *sorting_button = Object::cast_to<MenuButton>(p_current_sort_button);
ERR_FAIL_NULL(item_list);
ERR_FAIL_NULL(sorting_button);
if (sorting_button->is_visible_in_tree()) {
for (int i = 0; i != SOURCE_SORT_MAX; i++) {
sorting_button->get_popup()->set_item_checked(i, (i == (int)source_sort));
}
}
if (item_list->is_visible_in_tree()) {
// Make sure the selection is not overwritten after sorting.
int atlas_sources_lists_current_mem = atlas_sources_lists_current;
item_list->emit_signal(SNAME("sort_request"));
atlas_sources_lists_current = atlas_sources_lists_current_mem;
if (atlas_sources_lists_current < 0 || atlas_sources_lists_current >= item_list->get_item_count()) {
item_list->deselect_all();
} else {
item_list->set_current(atlas_sources_lists_current);
item_list->ensure_current_is_visible();
item_list->emit_signal(SceneStringName(item_selected), atlas_sources_lists_current);
}
}
}
void TilesEditorUtils::set_atlas_view_transform(float p_zoom, Vector2 p_scroll) {
atlas_view_zoom = p_zoom;
atlas_view_scroll = p_scroll;
}
void TilesEditorUtils::synchronize_atlas_view(Object *p_current) {
TileAtlasView *tile_atlas_view = Object::cast_to<TileAtlasView>(p_current);
ERR_FAIL_NULL(tile_atlas_view);
if (tile_atlas_view->is_visible_in_tree()) {
tile_atlas_view->set_transform(atlas_view_zoom, atlas_view_scroll);
}
}
void TilesEditorUtils::set_sorting_option(int p_option) {
source_sort = p_option;
}
List<int> TilesEditorUtils::get_sorted_sources(const Ref<TileSet> p_tile_set) const {
SourceNameComparator::tile_set = p_tile_set;
List<int> source_ids;
for (int i = 0; i < p_tile_set->get_source_count(); i++) {
source_ids.push_back(p_tile_set->get_source_id(i));
}
switch (source_sort) {
case SOURCE_SORT_ID_REVERSE:
// Already sorted.
source_ids.reverse();
break;
case SOURCE_SORT_NAME:
source_ids.sort_custom<SourceNameComparator>();
break;
case SOURCE_SORT_NAME_REVERSE:
source_ids.sort_custom<SourceNameComparator>();
source_ids.reverse();
break;
default: // SOURCE_SORT_ID
break;
}
SourceNameComparator::tile_set.unref();
return source_ids;
}
Ref<TileSet> TilesEditorUtils::SourceNameComparator::tile_set;
bool TilesEditorUtils::SourceNameComparator::operator()(const int &p_a, const int &p_b) const {
String name_a;
String name_b;
{
TileSetSource *source = *tile_set->get_source(p_a);
if (!source->get_name().is_empty()) {
name_a = source->get_name();
}
TileSetAtlasSource *atlas_source = Object::cast_to<TileSetAtlasSource>(source);
if (atlas_source) {
Ref<Texture2D> texture = atlas_source->get_texture();
if (name_a.is_empty() && texture.is_valid()) {
name_a = texture->get_path().get_file();
}
}
if (name_a.is_empty()) {
name_a = itos(p_a);
}
}
{
TileSetSource *source = *tile_set->get_source(p_b);
if (!source->get_name().is_empty()) {
name_b = source->get_name();
}
TileSetAtlasSource *atlas_source = Object::cast_to<TileSetAtlasSource>(source);
if (atlas_source) {
Ref<Texture2D> texture = atlas_source->get_texture();
if (name_b.is_empty() && texture.is_valid()) {
name_b = texture->get_path().get_file();
}
}
if (name_b.is_empty()) {
name_b = itos(p_b);
}
}
return NaturalNoCaseComparator()(name_a, name_b);
}
void TilesEditorUtils::display_tile_set_editor_panel() {
tile_map_plugin_singleton->hide_editor();
tile_set_plugin_singleton->make_visible(true);
}
void TilesEditorUtils::draw_selection_rect(CanvasItem *p_ci, const Rect2 &p_rect, const Color &p_color) {
Ref<Texture2D> selection_texture = EditorNode::get_singleton()->get_editor_theme()->get_icon(SNAME("TileSelection"), EditorStringName(EditorIcons));
real_t scale = p_ci->get_global_transform().get_scale().x * 0.5;
p_ci->draw_set_transform(p_rect.position, 0, Vector2(1, 1) / scale);
RS::get_singleton()->canvas_item_add_nine_patch(
p_ci->get_canvas_item(), Rect2(Vector2(), p_rect.size * scale), Rect2(), selection_texture->get_rid(),
Vector2(2, 2), Vector2(2, 2), RS::NINE_PATCH_STRETCH, RS::NINE_PATCH_STRETCH, false, p_color);
p_ci->draw_set_transform_matrix(Transform2D());
}
TilesEditorUtils::TilesEditorUtils() {
singleton = this;
// Pattern preview generation thread.
pattern_preview_thread.start(_thread_func, this);
ED_SHORTCUT("tiles_editor/cut", TTR("Cut"), KeyModifierMask::CMD_OR_CTRL | Key::X);
ED_SHORTCUT("tiles_editor/copy", TTR("Copy"), KeyModifierMask::CMD_OR_CTRL | Key::C);
ED_SHORTCUT("tiles_editor/paste", TTR("Paste"), KeyModifierMask::CMD_OR_CTRL | Key::V);
ED_SHORTCUT("tiles_editor/cancel", TTR("Cancel"), Key::ESCAPE);
ED_SHORTCUT("tiles_editor/delete", TTR("Delete"), Key::KEY_DELETE);
ED_SHORTCUT("tiles_editor/paint_tool", TTR("Paint"), Key::D);
ED_SHORTCUT("tiles_editor/line_tool", TTR("Line", "Tool"), Key::L);
ED_SHORTCUT("tiles_editor/rect_tool", TTR("Rect"), Key::R);
ED_SHORTCUT("tiles_editor/bucket_tool", TTR("Bucket"), Key::B);
ED_SHORTCUT("tiles_editor/eraser", TTR("Eraser"), Key::E);
ED_SHORTCUT("tiles_editor/picker", TTR("Picker"), Key::P);
}
TilesEditorUtils::~TilesEditorUtils() {
if (pattern_preview_thread.is_started()) {
pattern_thread_exit.set();
pattern_preview_sem.post();
while (!pattern_thread_exited.is_set()) {
OS::get_singleton()->delay_usec(10000);
RenderingServer::get_singleton()->sync(); //sync pending stuff, as thread may be blocked on visual server
}
pattern_preview_thread.wait_to_finish();
}
singleton = nullptr;
}
void TileMapEditorPlugin::_tile_map_layer_changed() {
if (tile_map_changed_needs_update) {
return;
}
tile_map_changed_needs_update = true;
callable_mp(this, &TileMapEditorPlugin::_update_tile_map).call_deferred();
}
void TileMapEditorPlugin::_tile_map_layer_removed() {
// Workaround for TileMap, making sure the editor stays open when you delete the currently edited layer.
TileMap *tile_map = Object::cast_to<TileMap>(ObjectDB::get_instance(tile_map_group_id));
if (tile_map) {
edit(tile_map);
}
}
void TileMapEditorPlugin::_update_tile_map() {
TileMapLayer *edited_layer = Object::cast_to<TileMapLayer>(ObjectDB::get_instance(tile_map_layer_id));
if (edited_layer) {
Ref<TileSet> tile_set = edited_layer->get_tile_set();
if (tile_set.is_valid() && tile_set_id != tile_set->get_instance_id()) {
tile_set_plugin_singleton->edit(tile_set.ptr());
tile_set_plugin_singleton->make_visible(true);
tile_set_id = tile_set->get_instance_id();
} else if (tile_set.is_null()) {
tile_set_plugin_singleton->edit(nullptr);
tile_set_plugin_singleton->make_visible(false);
tile_set_id = ObjectID();
}
}
tile_map_changed_needs_update = false;
}
void TileMapEditorPlugin::_select_layer(const StringName &p_name) {
TileMapLayer *edited_layer = Object::cast_to<TileMapLayer>(ObjectDB::get_instance(tile_map_layer_id));
ERR_FAIL_NULL(edited_layer);
Node *parent = edited_layer->get_parent();
if (parent) {
TileMapLayer *new_layer = Object::cast_to<TileMapLayer>(parent->get_node_or_null(String(p_name)));
edit(new_layer);
}
}
void TileMapEditorPlugin::_edit_tile_map_layer(TileMapLayer *p_tile_map_layer, bool p_show_layer_selector) {
ERR_FAIL_NULL(p_tile_map_layer);
editor->edit(p_tile_map_layer);
editor->set_show_layer_selector(p_show_layer_selector);
// Update the object IDs.
tile_map_layer_id = p_tile_map_layer->get_instance_id();
p_tile_map_layer->connect(CoreStringName(changed), callable_mp(this, &TileMapEditorPlugin::_tile_map_layer_changed));
p_tile_map_layer->connect(SceneStringName(tree_exited), callable_mp(this, &TileMapEditorPlugin::_tile_map_layer_removed));
// Update the edited tileset.
Ref<TileSet> tile_set = p_tile_map_layer->get_tile_set();
if (tile_set.is_valid()) {
tile_set_plugin_singleton->edit(tile_set.ptr());
tile_set_plugin_singleton->make_visible(true);
tile_set_id = tile_set->get_instance_id();
} else {
tile_set_plugin_singleton->edit(nullptr);
tile_set_plugin_singleton->make_visible(false);
}
}
void TileMapEditorPlugin::_edit_tile_map(TileMap *p_tile_map) {
ERR_FAIL_NULL(p_tile_map);
if (p_tile_map->get_layers_count() > 0) {
TileMapLayer *selected_layer = Object::cast_to<TileMapLayer>(p_tile_map->get_child(0));
_edit_tile_map_layer(selected_layer, true);
} else {
editor->edit(nullptr);
editor->set_show_layer_selector(false);
}
}
void TileMapEditorPlugin::_notification(int p_notification) {
if (p_notification == NOTIFICATION_EXIT_TREE) {
get_tree()->queue_delete(TilesEditorUtils::get_singleton());
}
}
void TileMapEditorPlugin::edit(Object *p_object) {
TileMapLayer *edited_layer = Object::cast_to<TileMapLayer>(ObjectDB::get_instance(tile_map_layer_id));
if (edited_layer) {
edited_layer->disconnect(CoreStringName(changed), callable_mp(this, &TileMapEditorPlugin::_tile_map_layer_changed));
edited_layer->disconnect(SceneStringName(tree_exited), callable_mp(this, &TileMapEditorPlugin::_tile_map_layer_removed));
}
tile_map_group_id = ObjectID();
tile_map_layer_id = ObjectID();
tile_set_id = ObjectID();
TileMap *tile_map = Object::cast_to<TileMap>(p_object);
TileMapLayer *tile_map_layer = Object::cast_to<TileMapLayer>(p_object);
MultiNodeEdit *multi_node_edit = Object::cast_to<MultiNodeEdit>(p_object);
if (tile_map) {
_edit_tile_map(tile_map);
} else if (tile_map_layer) {
_edit_tile_map_layer(tile_map_layer, false);
} else if (multi_node_edit) {
editor->edit(multi_node_edit);
} else {
editor->edit(nullptr);
}
}
bool TileMapEditorPlugin::handles(Object *p_object) const {
MultiNodeEdit *multi_node_edit = Object::cast_to<MultiNodeEdit>(p_object);
Node *edited_scene = EditorNode::get_singleton()->get_edited_scene();
if (multi_node_edit && edited_scene) {
bool only_tile_map_layers = true;
for (int i = 0; i < multi_node_edit->get_node_count(); i++) {
if (!Object::cast_to<TileMapLayer>(edited_scene->get_node(multi_node_edit->get_node(i)))) {
only_tile_map_layers = false;
break;
}
}
return only_tile_map_layers;
}
return Object::cast_to<TileMapLayer>(p_object) != nullptr || Object::cast_to<TileMap>(p_object) != nullptr;
}
void TileMapEditorPlugin::make_visible(bool p_visible) {
if (p_visible) {
button->show();
EditorNode::get_bottom_panel()->make_item_visible(editor);
} else {
button->hide();
if (editor->is_visible_in_tree()) {
EditorNode::get_bottom_panel()->hide_bottom_panel();
}
}
}
bool TileMapEditorPlugin::forward_canvas_gui_input(const Ref<InputEvent> &p_event) {
return editor->forward_canvas_gui_input(p_event);
}
void TileMapEditorPlugin::forward_canvas_draw_over_viewport(Control *p_overlay) {
editor->forward_canvas_draw_over_viewport(p_overlay);
}
void TileMapEditorPlugin::hide_editor() {
if (editor->is_visible_in_tree()) {
EditorNode::get_bottom_panel()->hide_bottom_panel();
}
}
bool TileMapEditorPlugin::is_editor_visible() const {
return editor->is_visible_in_tree();
}
TileMapEditorPlugin::TileMapEditorPlugin() {
if (!TilesEditorUtils::get_singleton()) {
memnew(TilesEditorUtils);
}
tile_map_plugin_singleton = this;
editor = memnew(TileMapLayerEditor);
editor->set_h_size_flags(Control::SIZE_EXPAND_FILL);
editor->set_v_size_flags(Control::SIZE_EXPAND_FILL);
editor->set_custom_minimum_size(Size2(0, 200) * EDSCALE);
editor->hide();
button = EditorNode::get_bottom_panel()->add_item(TTR("TileMap"), editor, ED_SHORTCUT_AND_COMMAND("bottom_panels/toggle_tile_map_bottom_panel", TTR("Toggle TileMap Bottom Panel")));
button->hide();
}
TileMapEditorPlugin::~TileMapEditorPlugin() {
tile_map_plugin_singleton = nullptr;
}
void TileSetEditorPlugin::edit(Object *p_object) {
editor->edit(Ref<TileSet>(p_object));
if (p_object) {
edited_tileset = p_object->get_instance_id();
} else {
edited_tileset = ObjectID();
}
}
bool TileSetEditorPlugin::handles(Object *p_object) const {
return Object::cast_to<TileSet>(p_object) != nullptr;
}
void TileSetEditorPlugin::make_visible(bool p_visible) {
if (p_visible) {
button->show();
if (!tile_map_plugin_singleton->is_editor_visible()) {
EditorNode::get_bottom_panel()->make_item_visible(editor);
}
} else {
button->hide();
if (editor->is_visible_in_tree()) {
EditorNode::get_bottom_panel()->hide_bottom_panel();
}
}
}
ObjectID TileSetEditorPlugin::get_edited_tileset() const {
return edited_tileset;
}
TileSetEditorPlugin::TileSetEditorPlugin() {
if (!TilesEditorUtils::get_singleton()) {
memnew(TilesEditorUtils);
}
tile_set_plugin_singleton = this;
editor = memnew(TileSetEditor);
editor->set_h_size_flags(Control::SIZE_EXPAND_FILL);
editor->set_v_size_flags(Control::SIZE_EXPAND_FILL);
editor->set_custom_minimum_size(Size2(0, 200) * EDSCALE);
editor->hide();
button = EditorNode::get_bottom_panel()->add_item(TTR("TileSet"), editor, ED_SHORTCUT_AND_COMMAND("bottom_panels/toggle_tile_set_bottom_panel", TTR("Toggle TileSet Bottom Panel")));
button->hide();
}
TileSetEditorPlugin::~TileSetEditorPlugin() {
tile_set_plugin_singleton = nullptr;
}
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