//////////////////////////////////////////////////////////////////////
// This file is part of Remere's Map Editor
//////////////////////////////////////////////////////////////////////
// Remere's Map Editor is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Remere's Map Editor is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//////////////////////////////////////////////////////////////////////

#include "main.h"

#include "gui.h"
#include "main_menubar.h"

#include "editor.h"
#include "brush.h"
#include "map.h"
#include "sprites.h"
#include "materials.h"
#include "doodad_brush.h"
#include "spawn_monster_brush.h"

#include "common_windows.h"
#include "result_window.h"
#include "minimap_window.h"
#include "palette_window.h"
#include "map_display.h"
#include "application.h"
#include "welcome_dialog.h"
#include "spawn_npc_brush.h"
#include "actions_history_window.h"

#include "live_client.h"
#include "live_tab.h"
#include "live_server.h"

#ifdef __WXOSX__
	#include <AGL/agl.h>
#endif

const wxEventType EVT_UPDATE_MENUS = wxNewEventType();
const wxEventType EVT_UPDATE_ACTIONS = wxNewEventType();

// Global GUI instance
GUI g_gui;

// GUI class implementation
GUI::GUI() :
	aui_manager(nullptr),
	root(nullptr),
	minimap(nullptr),
	gem(nullptr),
	search_result_window(nullptr),
	actions_history_window(nullptr),
	secondary_map(nullptr),
	doodad_buffer_map(nullptr),

	house_brush(nullptr),
	house_exit_brush(nullptr),
	waypoint_brush(nullptr),
	optional_brush(nullptr),
	eraser(nullptr),
	normal_door_brush(nullptr),
	locked_door_brush(nullptr),
	magic_door_brush(nullptr),
	quest_door_brush(nullptr),
	hatch_door_brush(nullptr),
	window_door_brush(nullptr),

	OGLContext(nullptr),
	loaded_version(CLIENT_VERSION_NONE),
	mode(SELECTION_MODE),
	pasting(false),
	hotkeys_enabled(true),

	current_brush(nullptr),
	previous_brush(nullptr),
	brush_shape(BRUSHSHAPE_SQUARE),
	brush_size(0),
	brush_variation(0),

	monster_spawntime(0),
	npc_spawntime(0),
	use_custom_thickness(false),
	custom_thickness_mod(0.0),
	progressBar(nullptr),
	disabled_counter(0) {
	doodad_buffer_map = newd BaseMap();
}

GUI::~GUI() {
	delete doodad_buffer_map;
	delete g_gui.aui_manager;
	delete OGLContext;
}

wxGLContext* GUI::GetGLContext(wxGLCanvas* win) {
	if (OGLContext == nullptr) {
#ifdef __WXOSX__
		/*
		wxGLContext(AGLPixelFormat fmt, wxGLCanvas *win,
					const wxPalette& WXUNUSED(palette),
					const wxGLContext *other
					);
		*/
		OGLContext = new wxGLContext(win, nullptr);
#else
		OGLContext = newd wxGLContext(win);
#endif
	}

	return OGLContext;
}

wxString GUI::GetDataDirectory() {
	std::string cfg_str = g_settings.getString(Config::DATA_DIRECTORY);
	if (!cfg_str.empty()) {
		FileName dir;
		dir.Assign(wxstr(cfg_str));
		wxString path;
		if (dir.DirExists()) {
			path = dir.GetPath(wxPATH_GET_VOLUME | wxPATH_GET_SEPARATOR);
			return path;
		}
	}

	// Silently reset directory
	FileName exec_directory;
	try {
		exec_directory = dynamic_cast<wxStandardPaths &>(wxStandardPaths::Get()).GetExecutablePath();
	} catch (const std::bad_cast &) {
		throw; // Crash application (this should never happend anyways...)
	}

	exec_directory.AppendDir("data");
	return exec_directory.GetPath(wxPATH_GET_VOLUME | wxPATH_GET_SEPARATOR);
}

wxString GUI::GetExecDirectory() {
	// Silently reset directory
	FileName exec_directory;
	try {
		exec_directory = dynamic_cast<wxStandardPaths &>(wxStandardPaths::Get()).GetExecutablePath();
	} catch (const std::bad_cast &) {
		wxLogError("Could not fetch executable directory.");
	}
	return exec_directory.GetPath(wxPATH_GET_VOLUME | wxPATH_GET_SEPARATOR);
}

wxString GUI::GetLocalDataDirectory() {
	if (g_settings.getInteger(Config::INDIRECTORY_INSTALLATION)) {
		FileName dir = GetDataDirectory();
		dir.AppendDir("user");
		dir.AppendDir("data");
		dir.Mkdir(0755, wxPATH_MKDIR_FULL);
		return dir.GetPath(wxPATH_GET_VOLUME | wxPATH_GET_SEPARATOR);
		;
	} else {
		FileName dir = dynamic_cast<wxStandardPaths &>(wxStandardPaths::Get()).GetUserDataDir();
#ifdef __WINDOWS__
		dir.AppendDir("Remere's Map Editor");
#else
		dir.AppendDir(".rme");
#endif
		dir.AppendDir("data");
		dir.Mkdir(0755, wxPATH_MKDIR_FULL);
		return dir.GetPath(wxPATH_GET_VOLUME | wxPATH_GET_SEPARATOR);
	}
}

wxString GUI::GetLocalDirectory() {
	if (g_settings.getInteger(Config::INDIRECTORY_INSTALLATION)) {
		FileName dir = GetDataDirectory();
		dir.AppendDir("user");
		dir.Mkdir(0755, wxPATH_MKDIR_FULL);
		return dir.GetPath(wxPATH_GET_VOLUME | wxPATH_GET_SEPARATOR);
		;
	} else {
		FileName dir = dynamic_cast<wxStandardPaths &>(wxStandardPaths::Get()).GetUserDataDir();
#ifdef __WINDOWS__
		dir.AppendDir("Remere's Map Editor");
#else
		dir.AppendDir(".rme");
#endif
		dir.Mkdir(0755, wxPATH_MKDIR_FULL);
		return dir.GetPath(wxPATH_GET_VOLUME | wxPATH_GET_SEPARATOR);
	}
}

wxString GUI::GetExtensionsDirectory() {
	std::string cfg_str = g_settings.getString(Config::EXTENSIONS_DIRECTORY);
	if (!cfg_str.empty()) {
		FileName dir;
		dir.Assign(wxstr(cfg_str));
		wxString path;
		if (dir.DirExists()) {
			path = dir.GetPath(wxPATH_GET_VOLUME | wxPATH_GET_SEPARATOR);
			return path;
		}
	}

	// Silently reset directory
	FileName local_directory = GetLocalDirectory();
	local_directory.AppendDir("extensions");
	local_directory.Mkdir(0755, wxPATH_MKDIR_FULL);
	return local_directory.GetPath(wxPATH_GET_VOLUME | wxPATH_GET_SEPARATOR);
}

void GUI::discoverDataDirectory(const wxString &existentFile) {
	wxString currentDir = wxGetCwd();
	wxString execDir = GetExecDirectory();

	wxString possiblePaths[] = {
		execDir,
		currentDir + "/",

		// these are used usually when running from build directories
		execDir + "/../",
		execDir + "/../../",
		execDir + "/../../../",
		currentDir + "/../",
	};

	bool found = false;
	for (const wxString &path : possiblePaths) {
		if (wxFileName(path + "data/" + existentFile).FileExists()) {
			m_dataDirectory = path + "data/";
			found = true;
			break;
		}
	}

	if (!found) {
		wxLogError(wxString() + "Could not find data directory.\n");
	}
}

bool GUI::LoadVersion(ClientVersionID version, wxString &error, wxArrayString &warnings, bool force) {
	if (ClientVersion::get(version) == nullptr) {
		error = "Unsupported client version! (8)";
		return false;
	}

	if (version != loaded_version || force) {
		if (getLoadedVersion() != nullptr) {
			// There is another version loaded right now, save window layout
			g_gui.SavePerspective();
		}

		// Disable all rendering so the data is not accessed while reloading
		UnnamedRenderingLock();
		DestroyPalettes();
		DestroyMinimap();

		// Destroy the previous version
		UnloadVersion();

		loaded_version = version;
		if (!getLoadedVersion()->hasValidPaths()) {
			if (!getLoadedVersion()->loadValidPaths()) {
				error = "Couldn't load relevant asset files";
				loaded_version = CLIENT_VERSION_NONE;
				return false;
			}
		}

		bool ret = LoadDataFiles(error, warnings);
		if (ret) {
			g_gui.LoadPerspective();
		} else {
			loaded_version = CLIENT_VERSION_NONE;
		}

		return ret;
	}
	return true;
}

void GUI::EnableHotkeys() {
	hotkeys_enabled = true;
}

void GUI::DisableHotkeys() {
	hotkeys_enabled = false;
}

bool GUI::AreHotkeysEnabled() const {
	return hotkeys_enabled;
}

ClientVersionID GUI::GetCurrentVersionID() const {
	if (loaded_version != CLIENT_VERSION_NONE) {
		return getLoadedVersion()->getID();
	}
	return CLIENT_VERSION_NONE;
}

const ClientVersion &GUI::GetCurrentVersion() const {
	assert(loaded_version);
	return *getLoadedVersion();
}

void GUI::CycleTab(bool forward) {
	tabbook->CycleTab(forward);
}

bool GUI::LoadDataFiles(wxString &error, wxArrayString &warnings) {
	FileName data_path = getLoadedVersion()->getDataPath();
	FileName client_path = getLoadedVersion()->getClientPath();
	FileName extension_path = GetExtensionsDirectory();

	FileName exec_directory;
	try {
		exec_directory = dynamic_cast<wxStandardPaths &>(wxStandardPaths::Get()).GetExecutablePath();
	} catch (std::bad_cast &) {
		error = "Couldn't establish working directory...";
		return false;
	}

	g_gui.gfx.client_version = getLoadedVersion();

	if (!g_gui.gfx.loadOTFI(client_path.GetPath(wxPATH_GET_VOLUME | wxPATH_GET_SEPARATOR), error, warnings)) {
		error = "Couldn't load otfi file: " + error;
		g_gui.DestroyLoadBar();
		UnloadVersion();
		return false;
	}

	g_gui.CreateLoadBar("Loading asset files");
	g_gui.SetLoadDone(0, "Loading metadata file...");

	wxFileName metadata_path = g_gui.gfx.getMetadataFileName();
	if (!g_gui.gfx.loadSpriteMetadata(metadata_path, error, warnings)) {
		error = "Couldn't load metadata: " + error;
		g_gui.DestroyLoadBar();
		UnloadVersion();
		return false;
	}

	g_gui.SetLoadDone(10, "Loading sprites file...");

	wxFileName sprites_path = g_gui.gfx.getSpritesFileName();
	if (!g_gui.gfx.loadSpriteData(sprites_path.GetFullPath(), error, warnings)) {
		error = "Couldn't load sprites: " + error;
		g_gui.DestroyLoadBar();
		UnloadVersion();
		return false;
	}

	g_gui.SetLoadDone(20, "Loading items.otb file...");
	if (!g_items.loadFromOtb(wxString("data/items/items.otb"), error, warnings)) {
		error = "Couldn't load items.otb: " + error;
		g_gui.DestroyLoadBar();
		UnloadVersion();
		return false;
	}

	g_gui.SetLoadDone(30, "Loading items.xml ...");
	if (!g_items.loadFromGameXml(wxString("data/items/items.xml"), error, warnings)) {
		warnings.push_back("Couldn't load items.xml: " + error);
	}

	g_gui.SetLoadDone(45, "Loading monsters.xml ...");
	if (!g_monsters.loadFromXML(wxString("data/creatures/monsters.xml"), true, error, warnings)) {
		warnings.push_back("Couldn't load monsters.xml: " + error);
	}

	g_gui.SetLoadDone(45, "Loading user monsters.xml ...");
	{
		FileName cdb = getLoadedVersion()->getLocalDataPath();
		cdb.SetFullName("monsters.xml");
		wxString nerr;
		wxArrayString nwarn;
		g_monsters.loadFromXML(cdb, false, nerr, nwarn);
	}

	g_gui.SetLoadDone(45, "Loading npcs.xml ...");
	if (!g_npcs.loadFromXML(wxString("data/creatures/npcs.xml"), true, error, warnings)) {
		warnings.push_back("Couldn't load npcs.xml: " + error);
	}

	g_gui.SetLoadDone(45, "Loading user npcs.xml ...");
	{
		FileName cdb = getLoadedVersion()->getLocalDataPath();
		cdb.SetFullName("npcs.xml");
		wxString nerr;
		wxArrayString nwarn;
		g_npcs.loadFromXML(cdb, false, nerr, nwarn);
	}

	g_gui.SetLoadDone(50, "Loading materials.xml ...");
	if (!g_materials.loadMaterials(wxString(data_path.GetPath(wxPATH_GET_VOLUME | wxPATH_GET_SEPARATOR) + "materials.xml"), error, warnings)) {
		warnings.push_back("Couldn't load materials.xml: " + error);
	}

	g_gui.SetLoadDone(70, "Loading extensions...");
	if (!g_materials.loadExtensions(extension_path, error, warnings)) {
		// warnings.push_back("Couldn't load extensions: " + error);
	}

	g_gui.SetLoadDone(70, "Finishing...");
	g_brushes.init();
	g_materials.createOtherTileset();
	g_materials.createNpcTileset();

	g_gui.DestroyLoadBar();
	return true;
}

void GUI::UnloadVersion() {
	UnnamedRenderingLock();
	gfx.clear();
	current_brush = nullptr;
	previous_brush = nullptr;

	house_brush = nullptr;
	house_exit_brush = nullptr;
	waypoint_brush = nullptr;
	optional_brush = nullptr;
	eraser = nullptr;
	normal_door_brush = nullptr;
	locked_door_brush = nullptr;
	magic_door_brush = nullptr;
	quest_door_brush = nullptr;
	hatch_door_brush = nullptr;
	window_door_brush = nullptr;

	if (loaded_version != CLIENT_VERSION_NONE) {
		// g_gui.UnloadVersion();
		g_materials.clear();
		g_brushes.clear();
		g_items.clear();
		gfx.clear();

		FileName cdb = getLoadedVersion()->getLocalDataPath();
		cdb.SetFullName("monsters.xml");
		g_monsters.saveToXML(cdb);
		g_monsters.clear();

		cdb.SetFullName("npcs.xml");
		g_npcs.saveToXML(cdb);
		g_npcs.clear();

		loaded_version = CLIENT_VERSION_NONE;
	}
}

void GUI::SaveCurrentMap(FileName filename, bool showdialog) {
	MapTab* mapTab = GetCurrentMapTab();
	if (mapTab) {
		Editor* editor = mapTab->GetEditor();
		if (editor) {
			editor->saveMap(filename, showdialog);

			const std::string &filename = editor->getMap().getFilename();
			const Position &position = mapTab->GetScreenCenterPosition();
			std::ostringstream stream;
			stream << position;
			g_settings.setString(Config::RECENT_EDITED_MAP_PATH, filename);
			g_settings.setString(Config::RECENT_EDITED_MAP_POSITION, stream.str());
		}
	}

	UpdateTitle();
	root->UpdateMenubar();
	root->Refresh();
}

bool GUI::IsEditorOpen() const {
	return tabbook != nullptr && GetCurrentMapTab();
}

double GUI::GetCurrentZoom() {
	MapTab* tab = GetCurrentMapTab();
	if (tab) {
		return tab->GetCanvas()->GetZoom();
	}
	return 1.0;
}

void GUI::SetCurrentZoom(double zoom) {
	MapTab* tab = GetCurrentMapTab();
	if (tab) {
		tab->GetCanvas()->SetZoom(zoom);
	}
}

void GUI::FitViewToMap() {
	for (int index = 0; index < tabbook->GetTabCount(); ++index) {
		if (auto* tab = dynamic_cast<MapTab*>(tabbook->GetTab(index))) {
			tab->GetView()->FitToMap();
		}
	}
}

void GUI::FitViewToMap(MapTab* mt) {
	for (int index = 0; index < tabbook->GetTabCount(); ++index) {
		if (auto* tab = dynamic_cast<MapTab*>(tabbook->GetTab(index))) {
			if (tab->HasSameReference(mt)) {
				tab->GetView()->FitToMap();
			}
		}
	}
}

bool GUI::NewMap() {
	FinishWelcomeDialog();

	Editor* editor;
	try {
		editor = newd Editor(copybuffer);
	} catch (std::runtime_error &e) {
		PopupDialog(root, "Error!", wxString(e.what(), wxConvUTF8), wxOK);
		return false;
	}

	auto* mapTab = newd MapTab(tabbook, editor);
	mapTab->OnSwitchEditorMode(mode);
	editor->clearChanges();

	SetStatusText("Created new map");
	UpdateTitle();
	RefreshPalettes();
	root->UpdateMenubar();
	root->Refresh();
	return true;
}

void GUI::OpenMap() {
	wxString wildcard = g_settings.getInteger(Config::USE_OTGZ) != 0 ? MAP_LOAD_FILE_WILDCARD_OTGZ : MAP_LOAD_FILE_WILDCARD;
	wxFileDialog dialog(root, "Open map file", wxEmptyString, wxEmptyString, wildcard, wxFD_OPEN | wxFD_FILE_MUST_EXIST);

	if (dialog.ShowModal() == wxID_OK) {
		LoadMap(dialog.GetPath());
	}
}

void GUI::SaveMap() {
	if (!IsEditorOpen()) {
		return;
	}

	if (GetCurrentMap().hasFile()) {
		SaveCurrentMap(true);
	} else {
		wxString wildcard = g_settings.getInteger(Config::USE_OTGZ) != 0 ? MAP_SAVE_FILE_WILDCARD_OTGZ : MAP_SAVE_FILE_WILDCARD;
		wxFileDialog dialog(root, "Save...", wxEmptyString, wxEmptyString, wildcard, wxFD_SAVE | wxFD_OVERWRITE_PROMPT);

		if (dialog.ShowModal() == wxID_OK) {
			SaveCurrentMap(dialog.GetPath(), true);
		}
	}
}

void GUI::SaveMapAs() {
	if (!IsEditorOpen()) {
		return;
	}

	wxString wildcard = g_settings.getInteger(Config::USE_OTGZ) != 0 ? MAP_SAVE_FILE_WILDCARD_OTGZ : MAP_SAVE_FILE_WILDCARD;
	wxFileDialog dialog(root, "Save As...", "", "", wildcard, wxFD_SAVE | wxFD_OVERWRITE_PROMPT);

	if (dialog.ShowModal() == wxID_OK) {
		SaveCurrentMap(dialog.GetPath(), true);
		UpdateTitle();
		root->menu_bar->AddRecentFile(dialog.GetPath());
		root->UpdateMenubar();
	}
}

bool GUI::LoadMap(const FileName &fileName) {
	FinishWelcomeDialog();

	if (GetCurrentEditor() && !GetCurrentMap().hasChanged() && !GetCurrentMap().hasFile()) {
		g_gui.CloseCurrentEditor();
	}

	Editor* editor;
	try {
		editor = newd Editor(copybuffer, fileName);
	} catch (std::runtime_error &e) {
		PopupDialog(root, "Error!", wxString(e.what(), wxConvUTF8), wxOK);
		return false;
	}

	auto* mapTab = newd MapTab(tabbook, editor);
	mapTab->OnSwitchEditorMode(mode);

	root->AddRecentFile(fileName);

	mapTab->GetView()->FitToMap();
	UpdateTitle();
	ListDialog("Map loader errors", mapTab->GetMap()->getWarnings());
	// Npc and monsters
	root->DoQueryImportCreatures();

	FitViewToMap(mapTab);
	root->UpdateMenubar();

	std::string path = g_settings.getString(Config::RECENT_EDITED_MAP_PATH);
	if (!path.empty()) {
		FileName file(path);
		if (file == fileName) {
			std::istringstream stream(g_settings.getString(Config::RECENT_EDITED_MAP_POSITION));
			Position position;
			stream >> position;
			mapTab->SetScreenCenterPosition(position);
		}
	}
	return true;
}

Editor* GUI::GetCurrentEditor() {
	MapTab* mapTab = GetCurrentMapTab();
	if (mapTab) {
		return mapTab->GetEditor();
	}
	return nullptr;
}

EditorTab* GUI::GetTab(int idx) {
	return tabbook->GetTab(idx);
}

int GUI::GetTabCount() const {
	return tabbook->GetTabCount();
}

EditorTab* GUI::GetCurrentTab() {
	return tabbook->GetCurrentTab();
}

MapTab* GUI::GetCurrentMapTab() const {
	if (tabbook && tabbook->GetTabCount() > 0) {
		EditorTab* editorTab = tabbook->GetCurrentTab();
		auto* mapTab = dynamic_cast<MapTab*>(editorTab);
		return mapTab;
	}
	return nullptr;
}

Map &GUI::GetCurrentMap() {
	Editor* editor = GetCurrentEditor();
	ASSERT(editor);
	return editor->getMap();
}

int GUI::GetOpenMapCount() {
	std::set<Map*> open_maps;

	for (int i = 0; i < tabbook->GetTabCount(); ++i) {
		auto* tab = dynamic_cast<MapTab*>(tabbook->GetTab(i));
		if (tab) {
			open_maps.insert(open_maps.begin(), tab->GetMap());
		}
	}

	return static_cast<int>(open_maps.size());
}

bool GUI::ShouldSave() {
	Editor* editor = GetCurrentEditor();
	ASSERT(editor);
	return editor->hasChanges();
}

void GUI::AddPendingCanvasEvent(wxEvent &event) {
	MapTab* mapTab = GetCurrentMapTab();
	if (mapTab) {
		mapTab->GetCanvas()->GetEventHandler()->AddPendingEvent(event);
	}
}

void GUI::CloseCurrentEditor() {
	RefreshPalettes();
	tabbook->DeleteTab(tabbook->GetSelection());
	root->UpdateMenubar();
}

bool GUI::CloseLiveEditors(LiveSocket* sock) {
	for (int i = 0; i < tabbook->GetTabCount(); ++i) {
		auto* mapTab = dynamic_cast<MapTab*>(tabbook->GetTab(i));
		if (mapTab) {
			Editor* editor = mapTab->GetEditor();
			if (editor->GetLiveClient() == sock) {
				tabbook->DeleteTab(i--);
			}
		}
		auto* liveLogTab = dynamic_cast<LiveLogTab*>(tabbook->GetTab(i));
		if (liveLogTab) {
			if (liveLogTab->GetSocket() == sock) {
				liveLogTab->Disconnect();
				tabbook->DeleteTab(i--);
			}
		}
	}
	root->UpdateMenubar();
	return true;
}

bool GUI::CloseAllEditors() {
	for (int i = 0; i < tabbook->GetTabCount(); ++i) {
		auto* mapTab = dynamic_cast<MapTab*>(tabbook->GetTab(i));
		if (mapTab) {
			if (mapTab->IsUniqueReference() && mapTab->GetMap() && mapTab->GetMap()->hasChanged()) {
				tabbook->SetFocusedTab(i);
				if (!root->DoQuerySave(false)) {
					return false;
				} else {
					RefreshPalettes();
					tabbook->DeleteTab(i--);
				}
			} else {
				tabbook->DeleteTab(i--);
			}
		}
	}
	if (root) {
		root->UpdateMenubar();
	}
	return true;
}

void GUI::NewMapView() {
	MapTab* mapTab = GetCurrentMapTab();
	if (mapTab) {
		auto* newMapTab = newd MapTab(mapTab);
		newMapTab->OnSwitchEditorMode(mode);

		SetStatusText("Created new view");
		UpdateTitle();
		RefreshPalettes();
		root->UpdateMenubar();
		root->Refresh();
	}
}

void GUI::LoadPerspective() {
	if (!IsVersionLoaded()) {
		if (g_settings.getInteger(Config::WINDOW_MAXIMIZED)) {
			root->Maximize();
		} else {
			root->SetSize(wxSize(
				g_settings.getInteger(Config::WINDOW_WIDTH),
				g_settings.getInteger(Config::WINDOW_HEIGHT)
			));
		}
	} else {
		std::string tmp;
		std::string layout = g_settings.getString(Config::PALETTE_LAYOUT);

		std::vector<std::string> palette_list;
		for (char c : layout) {
			if (c == '|') {
				palette_list.push_back(tmp);
				tmp.clear();
			} else {
				tmp.push_back(c);
			}
		}

		if (!tmp.empty()) {
			palette_list.push_back(tmp);
		}

		for (const std::string &name : palette_list) {
			PaletteWindow* palette = CreatePalette();

			wxAuiPaneInfo &info = aui_manager->GetPane(palette);
			aui_manager->LoadPaneInfo(wxstr(name), info);

			if (info.IsFloatable()) {
				bool offscreen = true;
				for (uint32_t index = 0; index < wxDisplay::GetCount(); ++index) {
					wxDisplay display(index);
					wxRect rect = display.GetClientArea();
					if (rect.Contains(info.floating_pos)) {
						offscreen = false;
						break;
					}
				}

				if (offscreen) {
					info.Dock();
				}
			}
		}

		if (g_settings.getInteger(Config::MINIMAP_VISIBLE)) {
			if (!minimap) {
				wxAuiPaneInfo info;

				const wxString &data = wxstr(g_settings.getString(Config::MINIMAP_LAYOUT));
				aui_manager->LoadPaneInfo(data, info);

				minimap = newd MinimapWindow(root);
				aui_manager->AddPane(minimap, info);
			} else {
				wxAuiPaneInfo &info = aui_manager->GetPane(minimap);

				const wxString &data = wxstr(g_settings.getString(Config::MINIMAP_LAYOUT));
				aui_manager->LoadPaneInfo(data, info);
			}

			wxAuiPaneInfo &info = aui_manager->GetPane(minimap);
			if (info.IsFloatable()) {
				bool offscreen = true;
				for (uint32_t index = 0; index < wxDisplay::GetCount(); ++index) {
					wxDisplay display(index);
					wxRect rect = display.GetClientArea();
					if (rect.Contains(info.floating_pos)) {
						offscreen = false;
						break;
					}
				}

				if (offscreen) {
					info.Dock();
				}
			}
		}

		if (g_settings.getInteger(Config::ACTIONS_HISTORY_VISIBLE)) {
			if (!actions_history_window) {
				wxAuiPaneInfo info;

				const wxString &data = wxstr(g_settings.getString(Config::ACTIONS_HISTORY_LAYOUT));
				aui_manager->LoadPaneInfo(data, info);

				actions_history_window = new ActionsHistoryWindow(root);
				aui_manager->AddPane(actions_history_window, info);
			} else {
				wxAuiPaneInfo &info = aui_manager->GetPane(actions_history_window);
				const wxString &data = wxstr(g_settings.getString(Config::ACTIONS_HISTORY_LAYOUT));
				aui_manager->LoadPaneInfo(data, info);
			}

			wxAuiPaneInfo &info = aui_manager->GetPane(actions_history_window);
			if (info.IsFloatable()) {
				bool offscreen = true;
				for (uint32_t index = 0; index < wxDisplay::GetCount(); ++index) {
					wxDisplay display(index);
					wxRect rect = display.GetClientArea();
					if (rect.Contains(info.floating_pos)) {
						offscreen = false;
						break;
					}
				}

				if (offscreen) {
					info.Dock();
				}
			}
		}

		aui_manager->Update();
		root->UpdateMenubar();
	}

	root->GetAuiToolBar()->LoadPerspective();
}

void GUI::SavePerspective() {
	g_settings.setInteger(Config::WINDOW_MAXIMIZED, root->IsMaximized());
	g_settings.setInteger(Config::WINDOW_WIDTH, root->GetSize().GetWidth());
	g_settings.setInteger(Config::WINDOW_HEIGHT, root->GetSize().GetHeight());
	g_settings.setInteger(Config::MINIMAP_VISIBLE, minimap ? 1 : 0);
	g_settings.setInteger(Config::ACTIONS_HISTORY_VISIBLE, actions_history_window ? 1 : 0);

	wxString pinfo;
	for (auto &palette : palettes) {
		if (aui_manager->GetPane(palette).IsShown()) {
			pinfo << aui_manager->SavePaneInfo(aui_manager->GetPane(palette)) << "|";
		}
	}
	g_settings.setString(Config::PALETTE_LAYOUT, nstr(pinfo));

	if (minimap) {
		wxString s = aui_manager->SavePaneInfo(aui_manager->GetPane(minimap));
		g_settings.setString(Config::MINIMAP_LAYOUT, nstr(s));
	}

	if (actions_history_window) {
		wxString info = aui_manager->SavePaneInfo(aui_manager->GetPane(actions_history_window));
		g_settings.setString(Config::ACTIONS_HISTORY_LAYOUT, nstr(info));
	}

	root->GetAuiToolBar()->SavePerspective();
}

void GUI::HideSearchWindow() {
	if (search_result_window) {
		aui_manager->GetPane(search_result_window).Show(false);
		aui_manager->Update();
	}
}

SearchResultWindow* GUI::ShowSearchWindow() {
	if (search_result_window == nullptr) {
		search_result_window = newd SearchResultWindow(root);
		aui_manager->AddPane(search_result_window, wxAuiPaneInfo().Caption("Search Results"));
	} else {
		aui_manager->GetPane(search_result_window).Show();
	}
	aui_manager->Update();
	return search_result_window;
}

ActionsHistoryWindow* GUI::ShowActionsWindow() {
	if (!actions_history_window) {
		actions_history_window = new ActionsHistoryWindow(root);
		aui_manager->AddPane(actions_history_window, wxAuiPaneInfo().Caption("Actions History"));
	} else {
		aui_manager->GetPane(actions_history_window).Show();
	}

	aui_manager->Update();
	actions_history_window->RefreshActions();
	return actions_history_window;
}

void GUI::HideActionsWindow() {
	if (actions_history_window) {
		aui_manager->GetPane(actions_history_window).Show(false);
		aui_manager->Update();
	}
}

//=============================================================================
// Palette Window Interface implementation

PaletteWindow* GUI::GetPalette() {
	if (palettes.empty()) {
		return nullptr;
	}
	return palettes.front();
}

PaletteWindow* GUI::NewPalette() {
	return CreatePalette();
}

void GUI::RefreshPalettes(Map* m, bool usedefault) {
	for (auto &palette : palettes) {
		palette->OnUpdate(m ? m : (usedefault ? (IsEditorOpen() ? &GetCurrentMap() : nullptr) : nullptr));
	}
	SelectBrush();

	RefreshActions();
}

void GUI::RefreshOtherPalettes(PaletteWindow* p) {
	for (auto &palette : palettes) {
		if (palette != p) {
			palette->OnUpdate(IsEditorOpen() ? &GetCurrentMap() : nullptr);
		}
	}
	SelectBrush();
}

PaletteWindow* GUI::CreatePalette() {
	if (!IsVersionLoaded()) {
		return nullptr;
	}

	auto* palette = newd PaletteWindow(root, g_materials.tilesets);
	aui_manager->AddPane(palette, wxAuiPaneInfo().Caption("Palette").TopDockable(false).BottomDockable(false));
	aui_manager->Update();

	// Make us the active palette
	palettes.push_front(palette);
	// Select brush from this palette
	SelectBrushInternal(palette->GetSelectedBrush());

	return palette;
}

void GUI::ActivatePalette(PaletteWindow* p) {
	palettes.erase(std::find(palettes.begin(), palettes.end(), p));
	palettes.push_front(p);
}

void GUI::DestroyPalettes() {
	for (auto palette : palettes) {
		aui_manager->DetachPane(palette);
		palette->Destroy();
		palette = nullptr;
	}
	palettes.clear();
	aui_manager->Update();
}

void GUI::RebuildPalettes() {
	// Palette lits might be modified due to active palette changes
	// Use a temporary list for iterating
	PaletteList tmp = palettes;
	for (auto &piter : tmp) {
		piter->ReloadSettings(IsEditorOpen() ? &GetCurrentMap() : nullptr);
	}
	aui_manager->Update();
}

void GUI::ShowPalette() {
	if (palettes.empty()) {
		return;
	}

	for (auto &palette : palettes) {
		if (aui_manager->GetPane(palette).IsShown()) {
			return;
		}
	}

	aui_manager->GetPane(palettes.front()).Show(true);
	aui_manager->Update();
}

void GUI::SelectPalettePage(PaletteType pt) {
	if (palettes.empty()) {
		CreatePalette();
	}
	PaletteWindow* p = GetPalette();
	if (!p) {
		return;
	}

	ShowPalette();
	p->SelectPage(pt);
	aui_manager->Update();
	SelectBrushInternal(p->GetSelectedBrush());
}

//=============================================================================
// Minimap Window Interface Implementation

void GUI::CreateMinimap() {
	if (!IsVersionLoaded()) {
		return;
	}

	if (minimap) {
		aui_manager->GetPane(minimap).Show(true);
	} else {
		minimap = newd MinimapWindow(root);
		minimap->Show(true);
		aui_manager->AddPane(minimap, wxAuiPaneInfo().Caption("Minimap"));
	}
	aui_manager->Update();
}

void GUI::HideMinimap() {
	if (minimap) {
		aui_manager->GetPane(minimap).Show(false);
		aui_manager->Update();
	}
}

void GUI::DestroyMinimap() {
	if (minimap) {
		aui_manager->DetachPane(minimap);
		aui_manager->Update();
		minimap->Destroy();
		minimap = nullptr;
	}
}

void GUI::UpdateMinimap(bool immediate) {
	if (IsMinimapVisible()) {
		if (immediate) {
			minimap->Refresh();
		} else {
			minimap->DelayedUpdate();
		}
	}
}

bool GUI::IsMinimapVisible() const {
	if (minimap) {
		const wxAuiPaneInfo &pi = aui_manager->GetPane(minimap);
		if (pi.IsShown()) {
			return true;
		}
	}
	return false;
}

//=============================================================================

void GUI::RefreshView() {
	EditorTab* editorTab = GetCurrentTab();
	if (!editorTab) {
		return;
	}

	if (!dynamic_cast<MapTab*>(editorTab)) {
		editorTab->GetWindow()->Refresh();
		return;
	}

	std::vector<EditorTab*> editorTabs;
	for (int32_t index = 0; index < tabbook->GetTabCount(); ++index) {
		auto* mapTab = dynamic_cast<MapTab*>(tabbook->GetTab(index));
		if (mapTab) {
			editorTabs.push_back(mapTab);
		}
	}

	for (EditorTab* editorTab : editorTabs) {
		editorTab->GetWindow()->Refresh();
	}
}

void GUI::CreateLoadBar(wxString message, bool canCancel /* = false */) {
	progressText = message;

	progressFrom = 0;
	progressTo = 100;
	currentProgress = -1;

	progressBar = newd wxGenericProgressDialog("Loading", progressText + " (0%)", 100, root, wxPD_APP_MODAL | wxPD_SMOOTH | (canCancel ? wxPD_CAN_ABORT : 0));
	progressBar->SetSize(280, -1);
	progressBar->Show(true);

	for (int idx = 0; idx < tabbook->GetTabCount(); ++idx) {
		auto* mt = dynamic_cast<MapTab*>(tabbook->GetTab(idx));
		if (mt && mt->GetEditor()->IsLiveServer()) {
			mt->GetEditor()->GetLiveServer()->startOperation(progressText);
		}
	}
	progressBar->Update(0);
}

void GUI::SetLoadScale(int32_t from, int32_t to) {
	progressFrom = from;
	progressTo = to;
}

bool GUI::SetLoadDone(int32_t done, const wxString &newMessage) {
	if (done == 100) {
		DestroyLoadBar();
		return true;
	} else if (done == currentProgress) {
		return true;
	}

	if (!newMessage.empty()) {
		progressText = newMessage;
	}

	int32_t newProgress = progressFrom + static_cast<int32_t>((done / 100.f) * (progressTo - progressFrom));
	newProgress = std::max<int32_t>(0, std::min<int32_t>(100, newProgress));

	bool skip = false;
	if (progressBar) {
		progressBar->Update(
			newProgress,
			wxString::Format("%s (%d%%)", progressText, newProgress),
			&skip
		);
		currentProgress = newProgress;
	}

	for (int32_t index = 0; index < tabbook->GetTabCount(); ++index) {
		auto* mapTab = dynamic_cast<MapTab*>(tabbook->GetTab(index));
		if (mapTab && mapTab->GetEditor()) {
			LiveServer* server = mapTab->GetEditor()->GetLiveServer();
			if (server) {
				server->updateOperation(newProgress);
			}
		}
	}

	return skip;
}

void GUI::DestroyLoadBar() {
	if (progressBar) {
		progressBar->Show(false);
		currentProgress = -1;

		progressBar->Destroy();
		progressBar = nullptr;

		if (root->IsActive()) {
			root->Raise();
		} else {
			root->RequestUserAttention();
		}
	}
}

void GUI::ShowWelcomeDialog(const wxBitmap &icon) {
	std::vector<wxString> recent_files = root->GetRecentFiles();
	welcomeDialog = newd WelcomeDialog(__W_RME_APPLICATION_NAME__, "Version " + __W_RME_VERSION__, FROM_DIP(root, wxSize(800, 480)), icon, recent_files);
	welcomeDialog->Bind(wxEVT_CLOSE_WINDOW, &GUI::OnWelcomeDialogClosed, this);
	welcomeDialog->Bind(WELCOME_DIALOG_ACTION, &GUI::OnWelcomeDialogAction, this);
	welcomeDialog->Show();
	UpdateMenubar();
}

void GUI::FinishWelcomeDialog() {
	if (welcomeDialog != nullptr) {
		welcomeDialog->Hide();
		root->Show();
		welcomeDialog->Destroy();
		welcomeDialog = nullptr;
	}
}

bool GUI::IsWelcomeDialogShown() {
	return welcomeDialog != nullptr && welcomeDialog->IsShown();
}

void GUI::OnWelcomeDialogClosed(wxCloseEvent &event) {
	welcomeDialog->Destroy();
	root->Close();
}

void GUI::OnWelcomeDialogAction(wxCommandEvent &event) {
	if (event.GetId() == wxID_NEW) {
		NewMap();
	} else if (event.GetId() == wxID_OPEN) {
		LoadMap(FileName(event.GetString()));
	}
}

void GUI::UpdateMenubar() {
	root->UpdateMenubar();
}

void GUI::SetScreenCenterPosition(const Position &position, bool showIndicator) {
	MapTab* mapTab = GetCurrentMapTab();
	if (mapTab) {
		mapTab->SetScreenCenterPosition(position, showIndicator);
	}
}

void GUI::DoCut() {
	if (!IsSelectionMode()) {
		return;
	}

	Editor* editor = GetCurrentEditor();
	if (!editor) {
		return;
	}

	editor->copybuffer.cut(*editor, GetCurrentFloor());
	RefreshView();
	root->UpdateMenubar();
}

void GUI::DoCopy() {
	if (!IsSelectionMode()) {
		return;
	}

	Editor* editor = GetCurrentEditor();
	if (!editor) {
		return;
	}

	editor->copybuffer.copy(*editor, GetCurrentFloor());
	RefreshView();
	root->UpdateMenubar();
}

void GUI::DoPaste() {
	MapTab* mapTab = GetCurrentMapTab();
	if (mapTab) {
		copybuffer.paste(*mapTab->GetEditor(), mapTab->GetCanvas()->GetCursorPosition());
	}
}

void GUI::PreparePaste() {
	Editor* editor = GetCurrentEditor();
	if (editor) {
		SetSelectionMode();
		Selection &selection = editor->getSelection();
		selection.start();
		selection.clear();
		selection.finish();
		StartPasting();
		RefreshView();
	}
}

void GUI::StartPasting() {
	if (GetCurrentEditor()) {
		pasting = true;
		secondary_map = &copybuffer.getBufferMap();
	}
}

void GUI::EndPasting() {
	if (pasting) {
		pasting = false;
		secondary_map = nullptr;
	}
}

bool GUI::CanUndo() {
	Editor* editor = GetCurrentEditor();
	return (editor && editor->canUndo());
}

bool GUI::CanRedo() {
	Editor* editor = GetCurrentEditor();
	return (editor && editor->canRedo());
}

bool GUI::DoUndo() {
	Editor* editor = GetCurrentEditor();
	if (editor && editor->canUndo()) {
		editor->undo();
		if (editor->hasSelection()) {
			SetSelectionMode();
		}
		SetStatusText("Undo action");
		UpdateMinimap();
		root->UpdateMenubar();
		root->Refresh();
		return true;
	}
	return false;
}

bool GUI::DoRedo() {
	Editor* editor = GetCurrentEditor();
	if (editor && editor->canRedo()) {
		editor->redo();
		if (editor->hasSelection()) {
			SetSelectionMode();
		}
		SetStatusText("Redo action");
		UpdateMinimap();
		root->UpdateMenubar();
		root->Refresh();
		return true;
	}
	return false;
}

int GUI::GetCurrentFloor() {
	MapTab* tab = GetCurrentMapTab();
	ASSERT(tab);
	return tab->GetCanvas()->GetFloor();
}

void GUI::ChangeFloor(int new_floor) {
	MapTab* tab = GetCurrentMapTab();
	if (tab) {
		int old_floor = GetCurrentFloor();
		if (new_floor < rme::MapMinLayer || new_floor > rme::MapMaxLayer) {
			return;
		}

		if (old_floor != new_floor) {
			tab->GetCanvas()->ChangeFloor(new_floor);
		}
	}
}

void GUI::SetStatusText(wxString text) {
	g_gui.root->SetStatusText(text, 0);
}

void GUI::SetTitle(wxString title) {
	if (g_gui.root == nullptr) {
		return;
	}

#ifdef NIGHTLY_BUILD
	#ifdef SVN_BUILD
		#define TITLE_APPEND (wxString(" (Nightly Build #") << i2ws(SVN_BUILD) << ")")
	#else
		#define TITLE_APPEND (wxString(" (Nightly Build)"))
	#endif
#else
	#ifdef SVN_BUILD
		#define TITLE_APPEND (wxString(" (Build #") << i2ws(SVN_BUILD) << ")")
	#else
		#define TITLE_APPEND (wxString(""))
	#endif
#endif
#ifdef __EXPERIMENTAL__
	if (title != "") {
		g_gui.root->SetTitle(title << " - Remere's Map Editor BETA" << TITLE_APPEND);
	} else {
		g_gui.root->SetTitle(wxString("Remere's Map Editor BETA") << TITLE_APPEND);
	}
#elif __SNAPSHOT__
	if (title != "") {
		g_gui.root->SetTitle(title << " - Remere's Map Editor - SNAPSHOT" << TITLE_APPEND);
	} else {
		g_gui.root->SetTitle(wxString("Remere's Map Editor - SNAPSHOT") << TITLE_APPEND);
	}
#else
	if (!title.empty()) {
		g_gui.root->SetTitle(title << " - Remere's Map Editor" << TITLE_APPEND);
	} else {
		g_gui.root->SetTitle(wxString("Remere's Map Editor") << TITLE_APPEND);
	}
#endif
}

void GUI::UpdateTitle() {
	if (tabbook->GetTabCount() > 0) {
		SetTitle(tabbook->GetCurrentTab()->GetTitle());
		for (int idx = 0; idx < tabbook->GetTabCount(); ++idx) {
			if (tabbook->GetTab(idx)) {
				tabbook->SetTabLabel(idx, tabbook->GetTab(idx)->GetTitle());
			}
		}
	} else {
		SetTitle("");
	}
}

void GUI::UpdateMenus() {
	wxCommandEvent evt(EVT_UPDATE_MENUS);
	g_gui.root->AddPendingEvent(evt);
}

void GUI::UpdateActions() {
	wxCommandEvent evt(EVT_UPDATE_ACTIONS);
	g_gui.root->AddPendingEvent(evt);
}

void GUI::RefreshActions() {
	if (actions_history_window) {
		actions_history_window->RefreshActions();
	}
}

void GUI::ShowToolbar(ToolBarID id, bool show) {
	if (root && root->GetAuiToolBar()) {
		root->GetAuiToolBar()->Show(id, show);
	}
}

void GUI::SwitchMode() {
	if (mode == DRAWING_MODE) {
		SetSelectionMode();
	} else {
		SetDrawingMode();
	}
}

void GUI::SetSelectionMode() {
	if (mode == SELECTION_MODE) {
		return;
	}

	if (current_brush && current_brush->isDoodad()) {
		secondary_map = nullptr;
	}

	tabbook->OnSwitchEditorMode(SELECTION_MODE);
	mode = SELECTION_MODE;
}

void GUI::SetDrawingMode() {
	if (mode == DRAWING_MODE) {
		return;
	}

	std::set<MapTab*> al;
	for (int idx = 0; idx < tabbook->GetTabCount(); ++idx) {
		EditorTab* editorTab = tabbook->GetTab(idx);
		if (MapTab* mapTab = dynamic_cast<MapTab*>(editorTab)) {
			if (al.find(mapTab) != al.end()) {
				continue;
			}

			Editor* editor = mapTab->GetEditor();
			Selection &selection = editor->getSelection();
			selection.start(Selection::NONE, ACTION_UNSELECT);
			selection.clear();
			selection.finish();
			selection.updateSelectionCount();
			al.insert(mapTab);
		}
	}

	if (current_brush && current_brush->isDoodad()) {
		secondary_map = doodad_buffer_map;
	} else {
		secondary_map = nullptr;
	}

	tabbook->OnSwitchEditorMode(DRAWING_MODE);
	mode = DRAWING_MODE;
}

void GUI::SetBrushSizeInternal(int nz) {
	if (nz != brush_size && current_brush && current_brush->isDoodad() && !current_brush->oneSizeFitsAll()) {
		brush_size = nz;
		FillDoodadPreviewBuffer();
		secondary_map = doodad_buffer_map;
	} else {
		brush_size = nz;
	}
}

void GUI::SetBrushSize(int nz) {
	SetBrushSizeInternal(nz);

	for (auto &palette : palettes) {
		palette->OnUpdateBrushSize(brush_shape, brush_size);
	}

	root->GetAuiToolBar()->UpdateBrushSize(brush_shape, brush_size);
}

void GUI::SetBrushVariation(int nz) {
	if (nz != brush_variation && current_brush && current_brush->isDoodad()) {
		// Monkey!
		brush_variation = nz;
		FillDoodadPreviewBuffer();
		secondary_map = doodad_buffer_map;
	}
}

void GUI::SetBrushShape(BrushShape bs) {
	if (bs != brush_shape && current_brush && current_brush->isDoodad() && !current_brush->oneSizeFitsAll()) {
		// Donkey!
		brush_shape = bs;
		FillDoodadPreviewBuffer();
		secondary_map = doodad_buffer_map;
	}
	brush_shape = bs;

	for (auto &palette : palettes) {
		palette->OnUpdateBrushSize(brush_shape, brush_size);
	}

	root->GetAuiToolBar()->UpdateBrushSize(brush_shape, brush_size);
}

void GUI::SetBrushThickness(bool on, int x, int y) {
	use_custom_thickness = on;

	if (x != -1 || y != -1) {
		custom_thickness_mod = std::max<float>(x, 1.f) / std::max<float>(y, 1.f);
	}

	if (current_brush && current_brush->isDoodad()) {
		FillDoodadPreviewBuffer();
	}

	RefreshView();
}

void GUI::SetBrushThickness(int low, int ceil) {
	custom_thickness_mod = std::max<float>(low, 1.f) / std::max<float>(ceil, 1.f);

	if (use_custom_thickness && current_brush && current_brush->isDoodad()) {
		FillDoodadPreviewBuffer();
	}

	RefreshView();
}

void GUI::DecreaseBrushSize(bool wrap) {
	switch (brush_size) {
		case 0: {
			if (wrap) {
				SetBrushSize(11);
			}
			break;
		}
		case 1: {
			SetBrushSize(0);
			break;
		}
		case 2:
		case 3: {
			SetBrushSize(1);
			break;
		}
		case 4:
		case 5: {
			SetBrushSize(2);
			break;
		}
		case 6:
		case 7: {
			SetBrushSize(4);
			break;
		}
		case 8:
		case 9:
		case 10: {
			SetBrushSize(6);
			break;
		}
		case 11:
		default: {
			SetBrushSize(8);
			break;
		}
	}
}

void GUI::IncreaseBrushSize(bool wrap) {
	switch (brush_size) {
		case 0: {
			SetBrushSize(1);
			break;
		}
		case 1: {
			SetBrushSize(2);
			break;
		}
		case 2:
		case 3: {
			SetBrushSize(4);
			break;
		}
		case 4:
		case 5: {
			SetBrushSize(6);
			break;
		}
		case 6:
		case 7: {
			SetBrushSize(8);
			break;
		}
		case 8:
		case 9:
		case 10: {
			SetBrushSize(11);
			break;
		}
		case 11:
		default: {
			if (wrap) {
				SetBrushSize(0);
			}
			break;
		}
	}
}

Brush* GUI::GetCurrentBrush() const {
	return current_brush;
}

BrushShape GUI::GetBrushShape() const {
	if (current_brush == spawn_brush) {
		return BRUSHSHAPE_SQUARE;
	}

	if (current_brush == spawn_npc_brush) {
		return BRUSHSHAPE_SQUARE;
	}

	return brush_shape;
}

int GUI::GetBrushSize() const {
	return brush_size;
}

int GUI::GetBrushVariation() const {
	return brush_variation;
}

int GUI::GetSpawnMonsterTime() const {
	return monster_spawntime;
}

int GUI::GetSpawnNpcTime() const {
	return npc_spawntime;
}

void GUI::SelectBrush() {
	if (palettes.empty()) {
		return;
	}

	SelectBrushInternal(palettes.front()->GetSelectedBrush());

	RefreshView();
}

bool GUI::SelectBrush(const Brush* whatbrush, PaletteType primary) {
	if (palettes.empty()) {
		if (!CreatePalette()) {
			return false;
		}
	}

	if (!palettes.front()->OnSelectBrush(whatbrush, primary)) {
		return false;
	}

	SelectBrushInternal(const_cast<Brush*>(whatbrush));
	root->GetAuiToolBar()->UpdateBrushButtons();
	return true;
}

void GUI::SelectBrushInternal(Brush* brush) {
	// Fear no evil don't you say no evil
	if (current_brush != brush && brush) {
		previous_brush = current_brush;
	}

	current_brush = brush;
	if (!current_brush) {
		return;
	}

	brush_variation = std::min(brush_variation, brush->getMaxVariation());
	FillDoodadPreviewBuffer();
	if (brush->isDoodad()) {
		secondary_map = doodad_buffer_map;
	}

	SetDrawingMode();
	RefreshView();
}

void GUI::SelectPreviousBrush() {
	if (previous_brush) {
		SelectBrush(previous_brush);
	}
}

void GUI::FillDoodadPreviewBuffer() {
	if (!current_brush || !current_brush->isDoodad()) {
		return;
	}

	doodad_buffer_map->clear();

	DoodadBrush* brush = current_brush->asDoodad();
	if (brush->isEmpty(GetBrushVariation())) {
		return;
	}

	int object_count = 0;
	int area;
	if (GetBrushShape() == BRUSHSHAPE_SQUARE) {
		area = 2 * GetBrushSize();
		area = area * area + 1;
	} else {
		if (GetBrushSize() == 1) {
			// There is a huge deviation here with the other formula.
			area = 5;
		} else {
			area = int(0.5 + GetBrushSize() * GetBrushSize() * rme::PI);
		}
	}
	const int object_range = (use_custom_thickness ? int(area * custom_thickness_mod) : brush->getThickness() * area / std::max(1, brush->getThicknessCeiling()));
	const int final_object_count = std::max(1, object_range + random(object_range));

	Position center_pos(0x8000, 0x8000, 0x8);

	if (brush_size > 0 && !brush->oneSizeFitsAll()) {
		while (object_count < final_object_count) {
			int retries = 0;
			bool exit = false;

			// Try to place objects 5 times
			while (retries < 5 && !exit) {

				int pos_retries = 0;
				int xpos = 0, ypos = 0;
				bool found_pos = false;
				if (GetBrushShape() == BRUSHSHAPE_CIRCLE) {
					while (pos_retries < 5 && !found_pos) {
						xpos = random(-brush_size, brush_size);
						ypos = random(-brush_size, brush_size);
						float distance = sqrt(float(xpos * xpos) + float(ypos * ypos));
						if (distance < g_gui.GetBrushSize() + 0.005) {
							found_pos = true;
						} else {
							++pos_retries;
						}
					}
				} else {
					found_pos = true;
					xpos = random(-brush_size, brush_size);
					ypos = random(-brush_size, brush_size);
				}

				if (!found_pos) {
					++retries;
					continue;
				}

				// Decide whether the zone should have a composite or several single objects.
				bool fail = false;
				if (random(brush->getTotalChance(GetBrushVariation())) <= brush->getCompositeChance(GetBrushVariation())) {
					// Composite
					const CompositeTileList &composites = brush->getComposite(GetBrushVariation());

					// Figure out if the placement is valid
					for (const auto &composite : composites) {
						Position pos = center_pos + composite.first + Position(xpos, ypos, 0);
						if (Tile* tile = doodad_buffer_map->getTile(pos)) {
							if (!tile->empty()) {
								fail = true;
								break;
							}
						}
					}
					if (fail) {
						++retries;
						break;
					}

					// Transfer items to the stack
					for (const auto &composite : composites) {
						Position pos = center_pos + composite.first + Position(xpos, ypos, 0);
						const ItemVector &items = composite.second;
						Tile* tile = doodad_buffer_map->getTile(pos);

						if (!tile) {
							tile = doodad_buffer_map->allocator(doodad_buffer_map->createTileL(pos));
						}

						for (auto item : items) {
							tile->addItem(item->deepCopy());
						}
						doodad_buffer_map->setTile(tile->getPosition(), tile);
					}
					exit = true;
				} else if (brush->hasSingleObjects(GetBrushVariation())) {
					Position pos = center_pos + Position(xpos, ypos, 0);
					Tile* tile = doodad_buffer_map->getTile(pos);
					if (tile) {
						if (!tile->empty()) {
							fail = true;
							break;
						}
					} else {
						tile = doodad_buffer_map->allocator(doodad_buffer_map->createTileL(pos));
					}
					int variation = GetBrushVariation();
					brush->draw(doodad_buffer_map, tile, &variation);
					// std::cout << "\tpos: " << tile->getPosition() << std::endl;
					doodad_buffer_map->setTile(tile->getPosition(), tile);
					exit = true;
				}
				if (fail) {
					++retries;
					break;
				}
			}
			++object_count;
		}
	} else {
		if (brush->hasCompositeObjects(GetBrushVariation()) && random(brush->getTotalChance(GetBrushVariation())) <= brush->getCompositeChance(GetBrushVariation())) {
			// Composite
			const CompositeTileList &composites = brush->getComposite(GetBrushVariation());

			// All placement is valid...

			// Transfer items to the buffer
			for (const auto &composite : composites) {
				Position pos = center_pos + composite.first;
				const ItemVector &items = composite.second;
				Tile* tile = doodad_buffer_map->allocator(doodad_buffer_map->createTileL(pos));
				// std::cout << pos << " = " << center_pos << " + " << buffer_tile->getPosition() << std::endl;

				for (auto item : items) {
					tile->addItem(item->deepCopy());
				}
				doodad_buffer_map->setTile(tile->getPosition(), tile);
			}
		} else if (brush->hasSingleObjects(GetBrushVariation())) {
			Tile* tile = doodad_buffer_map->allocator(doodad_buffer_map->createTileL(center_pos));
			int variation = GetBrushVariation();
			brush->draw(doodad_buffer_map, tile, &variation);
			doodad_buffer_map->setTile(center_pos, tile);
		}
	}
}

long GUI::PopupDialog(wxWindow* parent, wxString title, wxString text, long style, wxString confisavename, uint32_t configsavevalue) {
	if (text.empty()) {
		return wxID_ANY;
	}

	wxMessageDialog dlg(parent, text, title, style);
	return dlg.ShowModal();
}

long GUI::PopupDialog(wxString title, wxString text, long style, wxString configsavename, uint32_t configsavevalue) {
	return g_gui.PopupDialog(g_gui.root, title, text, style, configsavename, configsavevalue);
}

void GUI::ListDialog(wxWindow* parent, wxString title, const wxArrayString &param_items) {
	if (param_items.empty()) {
		return;
	}

	wxArrayString list_items(param_items);

	// Create the window
	wxDialog* dlg = newd wxDialog(parent, wxID_ANY, title, wxDefaultPosition, wxDefaultSize, wxRESIZE_BORDER | wxCAPTION | wxCLOSE_BOX);

	wxSizer* sizer = newd wxBoxSizer(wxVERTICAL);
	wxListBox* item_list = newd wxListBox(dlg, wxID_ANY, wxDefaultPosition, wxDefaultSize, 0, nullptr, wxLB_SINGLE);
	item_list->SetMinSize(wxSize(500, 300));

	for (size_t i = 0; i != list_items.GetCount();) {
		wxString str = list_items[i];
		size_t pos = str.find("\n");
		if (pos != wxString::npos) {
			// Split string!
			item_list->Append(str.substr(0, pos));
			list_items[i] = str.substr(pos + 1);
			continue;
		}
		item_list->Append(list_items[i]);
		++i;
	}
	sizer->Add(item_list, 1, wxEXPAND);

	wxSizer* stdsizer = newd wxBoxSizer(wxHORIZONTAL);
	stdsizer->Add(newd wxButton(dlg, wxID_OK, "OK"), wxSizerFlags(1).Center());
	sizer->Add(stdsizer, wxSizerFlags(0).Center());

	dlg->SetSizerAndFit(sizer);

	// Show the window
	dlg->ShowModal();
	delete dlg;
}

void GUI::ShowTextBox(wxWindow* parent, wxString title, wxString content) {
	wxDialog* dlg = newd wxDialog(parent, wxID_ANY, title, wxDefaultPosition, wxDefaultSize, wxRESIZE_BORDER | wxCAPTION | wxCLOSE_BOX);
	wxSizer* topsizer = newd wxBoxSizer(wxVERTICAL);
	wxTextCtrl* text_field = newd wxTextCtrl(dlg, wxID_ANY, content, wxDefaultPosition, wxDefaultSize, wxTE_MULTILINE | wxTE_READONLY);
	text_field->SetMinSize(wxSize(400, 550));
	topsizer->Add(text_field, wxSizerFlags(5).Expand());

	wxSizer* choicesizer = newd wxBoxSizer(wxHORIZONTAL);
	choicesizer->Add(newd wxButton(dlg, wxID_CANCEL, "OK"), wxSizerFlags(1).Center());
	topsizer->Add(choicesizer, wxSizerFlags(0).Center());
	dlg->SetSizerAndFit(topsizer);

	dlg->ShowModal();
}

void GUI::SetHotkey(int index, Hotkey &hotkey) {
	ASSERT(index >= 0 && index <= 9);
	hotkeys[index] = hotkey;
	SetStatusText("Set hotkey " + i2ws(index) + ".");
}

const Hotkey &GUI::GetHotkey(int index) const {
	ASSERT(index >= 0 && index <= 9);
	return hotkeys[index];
}

void GUI::SaveHotkeys() const {
	std::ostringstream os;
	for (const auto &hotkey : hotkeys) {
		os << hotkey << '\n';
	}
	g_settings.setString(Config::NUMERICAL_HOTKEYS, os.str());
}

void GUI::LoadHotkeys() {
	std::istringstream is;
	is.str(g_settings.getString(Config::NUMERICAL_HOTKEYS));

	std::string line;
	int index = 0;
	while (getline(is, line)) {
		std::istringstream line_is;
		line_is.str(line);
		line_is >> hotkeys[index];

		++index;
	}
}

Hotkey::Hotkey() :
	type(NONE) {
	////
}

Hotkey::Hotkey(Position _pos) :
	type(POSITION), pos(_pos) {
	////
}

Hotkey::Hotkey(Brush* brush) :
	type(BRUSH), brushname(brush->getName()) {
	////
}

Hotkey::Hotkey(std::string _name) :
	type(BRUSH), brushname(_name) {
	////
}

Hotkey::~Hotkey() {
	////
}

std::ostream &operator<<(std::ostream &os, const Hotkey &hotkey) {
	switch (hotkey.type) {
		case Hotkey::POSITION: {
			os << "pos:{" << hotkey.pos << "}";
		} break;
		case Hotkey::BRUSH: {
			if (hotkey.brushname.find('{') != std::string::npos || hotkey.brushname.find('}') != std::string::npos) {
				break;
			}
			os << "brush:{" << hotkey.brushname << "}";
		} break;
		default: {
			os << "none:{}";
		} break;
	}
	return os;
}

std::istream &operator>>(std::istream &is, Hotkey &hotkey) {
	std::string type;
	getline(is, type, ':');
	if (type == "none") {
		is.ignore(2); // ignore "{}"
	} else if (type == "pos") {
		is.ignore(1); // ignore "{"
		Position pos;
		is >> pos;
		hotkey = Hotkey(pos);
		is.ignore(1); // ignore "}"
	} else if (type == "brush") {
		is.ignore(1); // ignore "{"
		std::string brushname;
		getline(is, brushname, '}');
		hotkey = Hotkey(brushname);
	} else {
		// Do nothing...
	}

	return is;
}

void SetWindowToolTip(wxWindow* a, const wxString &tip) {
	a->SetToolTip(tip);
}

void SetWindowToolTip(wxWindow* a, wxWindow* b, const wxString &tip) {
	a->SetToolTip(tip);
	b->SetToolTip(tip);
}