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- /*
- Minetest
- Copyright (C) 2013 sapier
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
- This program 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 Lesser General Public License for more details.
- You should have received a copy of the GNU Lesser General Public License along
- with this program; if not, write to the Free Software Foundation, Inc.,
- 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
- #include "guiEngine.h"
- #include <IGUIStaticText.h>
- #include <ICameraSceneNode.h>
- #include "client/renderingengine.h"
- #include "scripting_mainmenu.h"
- #include "config.h"
- #include "version.h"
- #include "porting.h"
- #include "filesys.h"
- #include "settings.h"
- #include "guiMainMenu.h"
- #include "sound.h"
- #include "httpfetch.h"
- #include "log.h"
- #include "client/fontengine.h"
- #include "client/guiscalingfilter.h"
- #include "irrlicht_changes/static_text.h"
- #include "client/tile.h"
- #include "content/content.h"
- #include "content/mods.h"
- #if USE_SOUND
- #include "client/sound/sound_openal.h"
- #endif
- /******************************************************************************/
- void TextDestGuiEngine::gotText(const StringMap &fields)
- {
- m_engine->getScriptIface()->handleMainMenuButtons(fields);
- }
- /******************************************************************************/
- void TextDestGuiEngine::gotText(const std::wstring &text)
- {
- m_engine->getScriptIface()->handleMainMenuEvent(wide_to_utf8(text));
- }
- /******************************************************************************/
- MenuTextureSource::~MenuTextureSource()
- {
- u32 before = m_driver->getTextureCount();
- for (const auto &it: m_to_delete) {
- m_driver->removeTexture(it);
- }
- m_to_delete.clear();
- infostream << "~MenuTextureSource() before cleanup: "<< before
- << " after: " << m_driver->getTextureCount() << std::endl;
- }
- /******************************************************************************/
- video::ITexture *MenuTextureSource::getTexture(const std::string &name, u32 *id)
- {
- if (id)
- *id = 0;
- if (name.empty())
- return NULL;
- // return if already loaded
- video::ITexture *retval = m_driver->findTexture(name.c_str());
- if (retval)
- return retval;
- video::IImage *image = m_driver->createImageFromFile(name.c_str());
- if (!image)
- return NULL;
- image = Align2Npot2(image, m_driver);
- retval = m_driver->addTexture(name.c_str(), image);
- image->drop();
- if (retval)
- m_to_delete.push_back(retval);
- return retval;
- }
- /******************************************************************************/
- /** MenuMusicFetcher */
- /******************************************************************************/
- void MenuMusicFetcher::addThePaths(const std::string &name,
- std::vector<std::string> &paths)
- {
- // Allow full paths
- if (name.find(DIR_DELIM_CHAR) != std::string::npos) {
- addAllAlternatives(name, paths);
- } else {
- addAllAlternatives(porting::path_share + DIR_DELIM + "sounds" + DIR_DELIM + name, paths);
- addAllAlternatives(porting::path_user + DIR_DELIM + "sounds" + DIR_DELIM + name, paths);
- }
- }
- /******************************************************************************/
- /** GUIEngine */
- /******************************************************************************/
- GUIEngine::GUIEngine(JoystickController *joystick,
- gui::IGUIElement *parent,
- RenderingEngine *rendering_engine,
- IMenuManager *menumgr,
- MainMenuData *data,
- bool &kill) :
- m_rendering_engine(rendering_engine),
- m_parent(parent),
- m_menumanager(menumgr),
- m_smgr(rendering_engine->get_scene_manager()),
- m_data(data),
- m_kill(kill)
- {
- // initialize texture pointers
- for (image_definition &texture : m_textures) {
- texture.texture = NULL;
- }
- // is deleted by guiformspec!
- auto buttonhandler = std::make_unique<TextDestGuiEngine>(this);
- m_buttonhandler = buttonhandler.get();
- // create texture source
- m_texture_source = std::make_unique<MenuTextureSource>(rendering_engine->get_video_driver());
- // create soundmanager
- #if USE_SOUND
- if (g_settings->getBool("enable_sound") && g_sound_manager_singleton.get()) {
- m_sound_manager = createOpenALSoundManager(g_sound_manager_singleton.get(),
- std::make_unique<MenuMusicFetcher>());
- }
- #endif
- if (!m_sound_manager)
- m_sound_manager = std::make_unique<DummySoundManager>();
- // create topleft header
- m_toplefttext = L"";
- core::rect<s32> rect(0, 0, g_fontengine->getTextWidth(m_toplefttext.c_str()),
- g_fontengine->getTextHeight());
- rect += v2s32(4, 0);
- m_irr_toplefttext = gui::StaticText::add(rendering_engine->get_gui_env(),
- m_toplefttext, rect, false, true, 0, -1);
- // create formspecsource
- auto formspecgui = std::make_unique<FormspecFormSource>("");
- m_formspecgui = formspecgui.get();
- /* Create menu */
- m_menu = make_irr<GUIFormSpecMenu>(
- joystick,
- m_parent,
- -1,
- m_menumanager,
- nullptr /* &client */,
- m_rendering_engine->get_gui_env(),
- m_texture_source.get(),
- m_sound_manager.get(),
- formspecgui.release(),
- buttonhandler.release(),
- "",
- false);
- m_menu->allowClose(false);
- m_menu->lockSize(true,v2u32(800,600));
- // Initialize scripting
- infostream << "GUIEngine: Initializing Lua" << std::endl;
- m_script = std::make_unique<MainMenuScripting>(this);
- try {
- m_script->setMainMenuData(&m_data->script_data);
- m_data->script_data.errormessage.clear();
- if (!loadMainMenuScript()) {
- errorstream << "No future without main menu!" << std::endl;
- abort();
- }
- run();
- } catch (LuaError &e) {
- errorstream << "Main menu error: " << e.what() << std::endl;
- m_data->script_data.errormessage = e.what();
- }
- m_menu->quitMenu();
- m_menu.reset();
- }
- /******************************************************************************/
- std::string findLocaleFileInMods(const std::string &path, const std::string &filename)
- {
- std::vector<ModSpec> mods = flattenMods(getModsInPath(path, "root", true));
- for (const auto &mod : mods) {
- std::string ret = mod.path + DIR_DELIM "locale" DIR_DELIM + filename;
- if (fs::PathExists(ret)) {
- return ret;
- }
- }
- return "";
- }
- /******************************************************************************/
- Translations *GUIEngine::getContentTranslations(const std::string &path,
- const std::string &domain, const std::string &lang_code)
- {
- if (domain.empty() || lang_code.empty())
- return nullptr;
- std::string filename = domain + "." + lang_code + ".tr";
- std::string key = path + DIR_DELIM "locale" DIR_DELIM + filename;
- if (key == m_last_translations_key)
- return &m_last_translations;
- std::string trans_path = key;
- ContentType type = getContentType(path);
- if (type == ContentType::GAME)
- trans_path = findLocaleFileInMods(path + DIR_DELIM "mods" DIR_DELIM, filename);
- else if (type == ContentType::MODPACK)
- trans_path = findLocaleFileInMods(path, filename);
- // We don't need to search for locale files in a mod, as there's only one `locale` folder.
- if (trans_path.empty())
- return nullptr;
- m_last_translations_key = key;
- m_last_translations = {};
- std::string data;
- if (fs::ReadFile(trans_path, data)) {
- m_last_translations.loadTranslation(data);
- }
- return &m_last_translations;
- }
- /******************************************************************************/
- bool GUIEngine::loadMainMenuScript()
- {
- // Set main menu path (for core.get_mainmenu_path())
- m_scriptdir = g_settings->get("main_menu_path");
- if (m_scriptdir.empty()) {
- m_scriptdir = porting::path_share + DIR_DELIM + "builtin" + DIR_DELIM + "mainmenu";
- }
- // Load builtin (which will load the main menu script)
- std::string script = porting::path_share + DIR_DELIM "builtin" + DIR_DELIM "init.lua";
- try {
- m_script->loadScript(script);
- m_script->checkSetByBuiltin();
- // Menu script loaded
- return true;
- } catch (const ModError &e) {
- errorstream << "GUIEngine: execution of menu script failed: "
- << e.what() << std::endl;
- }
- return false;
- }
- /******************************************************************************/
- void GUIEngine::run()
- {
- IrrlichtDevice *device = m_rendering_engine->get_raw_device();
- // Always create clouds because they may or may not be
- // needed based on the game selected
- video::IVideoDriver *driver = m_rendering_engine->get_video_driver();
- cloudInit();
- unsigned int text_height = g_fontengine->getTextHeight();
- // Reset fog color
- {
- video::SColor fog_color;
- video::E_FOG_TYPE fog_type = video::EFT_FOG_LINEAR;
- f32 fog_start = 0;
- f32 fog_end = 0;
- f32 fog_density = 0;
- bool fog_pixelfog = false;
- bool fog_rangefog = false;
- driver->getFog(fog_color, fog_type, fog_start, fog_end, fog_density,
- fog_pixelfog, fog_rangefog);
- driver->setFog(RenderingEngine::MENU_SKY_COLOR, fog_type, fog_start,
- fog_end, fog_density, fog_pixelfog, fog_rangefog);
- }
- const irr::core::dimension2d<u32> initial_screen_size(
- g_settings->getU16("screen_w"),
- g_settings->getU16("screen_h")
- );
- const bool initial_window_maximized = g_settings->getBool("window_maximized");
- u64 t_last_frame = porting::getTimeUs();
- f32 dtime = 0.0f;
- while (m_rendering_engine->run() && (!m_startgame) && (!m_kill)) {
- if (device->isWindowVisible()) {
- // check if we need to update the "upper left corner"-text
- if (text_height != g_fontengine->getTextHeight()) {
- updateTopLeftTextSize();
- text_height = g_fontengine->getTextHeight();
- }
- driver->beginScene(true, true, RenderingEngine::MENU_SKY_COLOR);
- if (m_clouds_enabled)
- {
- cloudPreProcess();
- drawOverlay(driver);
- }
- else
- drawBackground(driver);
- drawFooter(driver);
- m_rendering_engine->get_gui_env()->drawAll();
- // The header *must* be drawn after the menu because it uses
- // GUIFormspecMenu::getAbsoluteRect().
- // The header *can* be drawn after the menu because it never intersects
- // the menu.
- drawHeader(driver);
- driver->endScene();
- }
- u32 frametime_min = 1000 / (device->isWindowFocused()
- ? g_settings->getFloat("fps_max")
- : g_settings->getFloat("fps_max_unfocused"));
- if (m_clouds_enabled)
- cloudPostProcess(frametime_min, device);
- else
- sleep_ms(frametime_min);
- u64 t_now = porting::getTimeUs();
- dtime = static_cast<f32>(t_now - t_last_frame) * 1.0e-6f;
- t_last_frame = t_now;
- m_script->step();
- sound_volume_control(m_sound_manager.get(), device->isWindowActive());
- m_sound_manager->step(dtime);
- #ifdef __ANDROID__
- m_menu->getAndroidUIInput();
- #endif
- }
- RenderingEngine::autosaveScreensizeAndCo(initial_screen_size, initial_window_maximized);
- }
- /******************************************************************************/
- GUIEngine::~GUIEngine()
- {
- // deinitialize script first. gc destructors might depend on other stuff
- infostream << "GUIEngine: Deinitializing scripting" << std::endl;
- m_script.reset();
- m_sound_manager.reset();
- m_irr_toplefttext->setText(L"");
- //clean up texture pointers
- for (image_definition &texture : m_textures) {
- if (texture.texture)
- m_rendering_engine->get_video_driver()->removeTexture(texture.texture);
- }
- m_texture_source.reset();
- m_cloud.clouds.reset();
- }
- /******************************************************************************/
- void GUIEngine::cloudInit()
- {
- m_cloud.clouds = make_irr<Clouds>(m_smgr, -1, rand());
- m_cloud.clouds->setHeight(100.0f);
- m_cloud.clouds->update(v3f(0, 0, 0), video::SColor(255,240,240,255));
- m_cloud.camera = m_smgr->addCameraSceneNode(0,
- v3f(0,0,0), v3f(0, 60, 100));
- m_cloud.camera->setFarValue(10000);
- m_cloud.lasttime = m_rendering_engine->get_timer_time();
- }
- /******************************************************************************/
- void GUIEngine::cloudPreProcess()
- {
- u32 time = m_rendering_engine->get_timer_time();
- if(time > m_cloud.lasttime)
- m_cloud.dtime = (time - m_cloud.lasttime) / 1000.0;
- else
- m_cloud.dtime = 0;
- m_cloud.lasttime = time;
- m_cloud.clouds->step(m_cloud.dtime*3);
- m_cloud.clouds->render();
- m_smgr->drawAll();
- }
- /******************************************************************************/
- void GUIEngine::cloudPostProcess(u32 frametime_min, IrrlichtDevice *device)
- {
- // Time of frame without fps limit
- u32 busytime_u32;
- // not using getRealTime is necessary for wine
- u32 time = m_rendering_engine->get_timer_time();
- if(time > m_cloud.lasttime)
- busytime_u32 = time - m_cloud.lasttime;
- else
- busytime_u32 = 0;
- // FPS limit
- if (busytime_u32 < frametime_min) {
- u32 sleeptime = frametime_min - busytime_u32;
- device->sleep(sleeptime);
- }
- }
- /******************************************************************************/
- void GUIEngine::setFormspecPrepend(const std::string &fs)
- {
- if (m_menu) {
- m_menu->setFormspecPrepend(fs);
- }
- }
- /******************************************************************************/
- void GUIEngine::drawBackground(video::IVideoDriver *driver)
- {
- v2u32 screensize = driver->getScreenSize();
- video::ITexture* texture = m_textures[TEX_LAYER_BACKGROUND].texture;
- /* If no texture, draw background of solid color */
- if(!texture){
- video::SColor color(255,80,58,37);
- core::rect<s32> rect(0, 0, screensize.X, screensize.Y);
- driver->draw2DRectangle(color, rect, NULL);
- return;
- }
- v2u32 sourcesize = texture->getOriginalSize();
- if (m_textures[TEX_LAYER_BACKGROUND].tile)
- {
- v2u32 tilesize(
- MYMAX(sourcesize.X,m_textures[TEX_LAYER_BACKGROUND].minsize),
- MYMAX(sourcesize.Y,m_textures[TEX_LAYER_BACKGROUND].minsize));
- for (unsigned int x = 0; x < screensize.X; x += tilesize.X )
- {
- for (unsigned int y = 0; y < screensize.Y; y += tilesize.Y )
- {
- draw2DImageFilterScaled(driver, texture,
- core::rect<s32>(x, y, x+tilesize.X, y+tilesize.Y),
- core::rect<s32>(0, 0, sourcesize.X, sourcesize.Y),
- NULL, NULL, true);
- }
- }
- return;
- }
- // Chop background image to the smaller screen dimension
- v2u32 bg_size = screensize;
- v2f32 scale(
- (f32) bg_size.X / sourcesize.X,
- (f32) bg_size.Y / sourcesize.Y);
- if (scale.X < scale.Y)
- bg_size.X = (int) (scale.Y * sourcesize.X);
- else
- bg_size.Y = (int) (scale.X * sourcesize.Y);
- v2s32 offset = v2s32(
- (s32) screensize.X - (s32) bg_size.X,
- (s32) screensize.Y - (s32) bg_size.Y
- ) / 2;
- /* Draw background texture */
- draw2DImageFilterScaled(driver, texture,
- core::rect<s32>(offset.X, offset.Y, bg_size.X + offset.X, bg_size.Y + offset.Y),
- core::rect<s32>(0, 0, sourcesize.X, sourcesize.Y),
- NULL, NULL, true);
- }
- /******************************************************************************/
- void GUIEngine::drawOverlay(video::IVideoDriver *driver)
- {
- v2u32 screensize = driver->getScreenSize();
- video::ITexture* texture = m_textures[TEX_LAYER_OVERLAY].texture;
- /* If no texture, draw nothing */
- if(!texture)
- return;
- /* Draw background texture */
- v2u32 sourcesize = texture->getOriginalSize();
- draw2DImageFilterScaled(driver, texture,
- core::rect<s32>(0, 0, screensize.X, screensize.Y),
- core::rect<s32>(0, 0, sourcesize.X, sourcesize.Y),
- NULL, NULL, true);
- }
- /******************************************************************************/
- void GUIEngine::drawHeader(video::IVideoDriver *driver)
- {
- core::dimension2d<u32> screensize = driver->getScreenSize();
- video::ITexture* texture = m_textures[TEX_LAYER_HEADER].texture;
- // If no texture, draw nothing
- if (!texture)
- return;
- /*
- * Calculate the maximum rectangle
- */
- core::rect<s32> formspec_rect = m_menu->getAbsoluteRect();
- // 4 px of padding on each side
- core::rect<s32> max_rect(4, 4, screensize.Width - 8, formspec_rect.UpperLeftCorner.Y - 8);
- // If no space (less than 16x16 px), draw nothing
- if (max_rect.getWidth() < 16 || max_rect.getHeight() < 16)
- return;
- /*
- * Calculate the preferred rectangle
- */
- f32 mult = (((f32)screensize.Width / 2.0)) /
- ((f32)texture->getOriginalSize().Width);
- v2s32 splashsize(((f32)texture->getOriginalSize().Width) * mult,
- ((f32)texture->getOriginalSize().Height) * mult);
- s32 free_space = (((s32)screensize.Height)-320)/2;
- core::rect<s32> desired_rect(0, 0, splashsize.X, splashsize.Y);
- desired_rect += v2s32((screensize.Width/2)-(splashsize.X/2),
- ((free_space/2)-splashsize.Y/2)+10);
- /*
- * Make the preferred rectangle fit into the maximum rectangle
- */
- // 1. Scale
- f32 scale = std::min((f32)max_rect.getWidth() / (f32)desired_rect.getWidth(),
- (f32)max_rect.getHeight() / (f32)desired_rect.getHeight());
- if (scale < 1.0f) {
- v2s32 old_center = desired_rect.getCenter();
- desired_rect.LowerRightCorner.X = desired_rect.UpperLeftCorner.X + desired_rect.getWidth() * scale;
- desired_rect.LowerRightCorner.Y = desired_rect.UpperLeftCorner.Y + desired_rect.getHeight() * scale;
- desired_rect += old_center - desired_rect.getCenter();
- }
- // 2. Move
- desired_rect.constrainTo(max_rect);
- draw2DImageFilterScaled(driver, texture, desired_rect,
- core::rect<s32>(core::position2d<s32>(0,0),
- core::dimension2di(texture->getOriginalSize())),
- NULL, NULL, true);
- }
- /******************************************************************************/
- void GUIEngine::drawFooter(video::IVideoDriver *driver)
- {
- core::dimension2d<u32> screensize = driver->getScreenSize();
- video::ITexture* texture = m_textures[TEX_LAYER_FOOTER].texture;
- /* If no texture, draw nothing */
- if(!texture)
- return;
- f32 mult = (((f32)screensize.Width)) /
- ((f32)texture->getOriginalSize().Width);
- v2s32 footersize(((f32)texture->getOriginalSize().Width) * mult,
- ((f32)texture->getOriginalSize().Height) * mult);
- // Don't draw the footer if there isn't enough room
- s32 free_space = (((s32)screensize.Height)-320)/2;
- if (free_space > footersize.Y) {
- core::rect<s32> rect(0,0,footersize.X,footersize.Y);
- rect += v2s32(screensize.Width/2,screensize.Height-footersize.Y);
- rect -= v2s32(footersize.X/2, 0);
- draw2DImageFilterScaled(driver, texture, rect,
- core::rect<s32>(core::position2d<s32>(0,0),
- core::dimension2di(texture->getOriginalSize())),
- NULL, NULL, true);
- }
- }
- /******************************************************************************/
- bool GUIEngine::setTexture(texture_layer layer, const std::string &texturepath,
- bool tile_image, unsigned int minsize)
- {
- video::IVideoDriver *driver = m_rendering_engine->get_video_driver();
- if (m_textures[layer].texture) {
- driver->removeTexture(m_textures[layer].texture);
- m_textures[layer].texture = NULL;
- }
- if (texturepath.empty() || !fs::PathExists(texturepath)) {
- return false;
- }
- m_textures[layer].texture = driver->getTexture(texturepath.c_str());
- m_textures[layer].tile = tile_image;
- m_textures[layer].minsize = minsize;
- if (!m_textures[layer].texture) {
- return false;
- }
- return true;
- }
- /******************************************************************************/
- bool GUIEngine::downloadFile(const std::string &url, const std::string &target)
- {
- #if USE_CURL
- std::ofstream target_file(target.c_str(), std::ios::out | std::ios::binary);
- if (!target_file.good()) {
- return false;
- }
- HTTPFetchRequest fetch_request;
- HTTPFetchResult fetch_result;
- fetch_request.url = url;
- fetch_request.caller = HTTPFETCH_SYNC;
- fetch_request.timeout = std::max(MIN_HTTPFETCH_TIMEOUT,
- (long)g_settings->getS32("curl_file_download_timeout"));
- httpfetch_sync(fetch_request, fetch_result);
- if (!fetch_result.succeeded) {
- target_file.close();
- fs::DeleteSingleFileOrEmptyDirectory(target);
- return false;
- }
- target_file << fetch_result.data;
- return true;
- #else
- return false;
- #endif
- }
- /******************************************************************************/
- void GUIEngine::setTopleftText(const std::string &text)
- {
- m_toplefttext = translate_string(utf8_to_wide(text));
- updateTopLeftTextSize();
- }
- /******************************************************************************/
- void GUIEngine::updateTopLeftTextSize()
- {
- core::rect<s32> rect(0, 0, g_fontengine->getTextWidth(m_toplefttext.c_str()),
- g_fontengine->getTextHeight());
- rect += v2s32(4, 0);
- m_irr_toplefttext->remove();
- m_irr_toplefttext = gui::StaticText::add(m_rendering_engine->get_gui_env(),
- m_toplefttext, rect, false, true, 0, -1);
- }
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