forked from Mirrorlandia_minetest/minetest
579 lines
15 KiB
C++
579 lines
15 KiB
C++
/*
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Minetest
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Copyright (C) 2013 sapier
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "guiEngine.h"
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#include "scripting_mainmenu.h"
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#include "config.h"
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#include "version.h"
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#include "porting.h"
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#include "filesys.h"
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#include "main.h"
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#include "settings.h"
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#include "guiMainMenu.h"
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#include "sound.h"
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#include "sound_openal.h"
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#include "clouds.h"
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#include <IGUIStaticText.h>
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#include <ICameraSceneNode.h>
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#if USE_CURL
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#include <curl/curl.h>
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#endif
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/******************************************************************************/
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/** TextDestGuiEngine */
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/******************************************************************************/
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TextDestGuiEngine::TextDestGuiEngine(GUIEngine* engine)
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{
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m_engine = engine;
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}
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/******************************************************************************/
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void TextDestGuiEngine::gotText(std::map<std::string, std::string> fields)
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{
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m_engine->getScriptIface()->handleMainMenuButtons(fields);
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}
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/******************************************************************************/
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void TextDestGuiEngine::gotText(std::wstring text)
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{
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m_engine->getScriptIface()->handleMainMenuEvent(wide_to_narrow(text));
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}
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/******************************************************************************/
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/** MenuTextureSource */
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/******************************************************************************/
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MenuTextureSource::MenuTextureSource(video::IVideoDriver *driver)
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{
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m_driver = driver;
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}
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/******************************************************************************/
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MenuTextureSource::~MenuTextureSource()
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{
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for (std::set<std::string>::iterator it = m_to_delete.begin();
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it != m_to_delete.end(); ++it) {
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const char *tname = (*it).c_str();
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video::ITexture *texture = m_driver->getTexture(tname);
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m_driver->removeTexture(texture);
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}
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}
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/******************************************************************************/
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video::ITexture* MenuTextureSource::getTexture(const std::string &name, u32 *id)
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{
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if(id)
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*id = 0;
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if(name.empty())
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return NULL;
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m_to_delete.insert(name);
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return m_driver->getTexture(name.c_str());
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}
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/******************************************************************************/
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/** MenuMusicFetcher */
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/******************************************************************************/
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void MenuMusicFetcher::fetchSounds(const std::string &name,
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std::set<std::string> &dst_paths,
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std::set<std::string> &dst_datas)
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{
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if(m_fetched.count(name))
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return;
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m_fetched.insert(name);
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std::string base;
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base = porting::path_share + DIR_DELIM + "sounds";
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dst_paths.insert(base + DIR_DELIM + name + ".ogg");
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int i;
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for(i=0; i<10; i++)
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dst_paths.insert(base + DIR_DELIM + name + "."+itos(i)+".ogg");
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base = porting::path_user + DIR_DELIM + "sounds";
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dst_paths.insert(base + DIR_DELIM + name + ".ogg");
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for(i=0; i<10; i++)
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dst_paths.insert(base + DIR_DELIM + name + "."+itos(i)+".ogg");
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}
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/******************************************************************************/
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/** GUIEngine */
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/******************************************************************************/
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GUIEngine::GUIEngine( irr::IrrlichtDevice* dev,
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gui::IGUIElement* parent,
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IMenuManager *menumgr,
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scene::ISceneManager* smgr,
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MainMenuData* data,
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bool& kill) :
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m_device(dev),
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m_parent(parent),
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m_menumanager(menumgr),
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m_smgr(smgr),
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m_data(data),
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m_texture_source(NULL),
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m_sound_manager(NULL),
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m_formspecgui(0),
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m_buttonhandler(0),
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m_menu(0),
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m_kill(kill),
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m_startgame(false),
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m_script(0),
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m_scriptdir(""),
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m_irr_toplefttext(0),
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m_clouds_enabled(true),
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m_cloud()
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{
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//initialize texture pointers
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for (unsigned int i = 0; i < TEX_LAYER_MAX; i++) {
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m_textures[i] = 0;
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}
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// is deleted by guiformspec!
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m_buttonhandler = new TextDestGuiEngine(this);
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//create texture source
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m_texture_source = new MenuTextureSource(m_device->getVideoDriver());
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//create soundmanager
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MenuMusicFetcher soundfetcher;
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#if USE_SOUND
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m_sound_manager = createOpenALSoundManager(&soundfetcher);
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#endif
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if(!m_sound_manager)
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m_sound_manager = &dummySoundManager;
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//create topleft header
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core::rect<s32> rect(0, 0, 500, 40);
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rect += v2s32(4, 0);
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std::string t = std::string("Minetest ") + minetest_version_hash;
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m_irr_toplefttext =
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m_device->getGUIEnvironment()->addStaticText(narrow_to_wide(t).c_str(),
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rect,false,true,0,-1);
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//create formspecsource
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m_formspecgui = new FormspecFormSource("",&m_formspecgui);
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/* Create menu */
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m_menu =
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new GUIFormSpecMenu( m_device,
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m_parent,
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-1,
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m_menumanager,
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0 /* &client */,
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0 /* gamedef */,
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m_texture_source);
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m_menu->allowClose(false);
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m_menu->lockSize(true,v2u32(800,600));
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m_menu->setFormSource(m_formspecgui);
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m_menu->setTextDest(m_buttonhandler);
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// Initialize scripting
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infostream<<"GUIEngine: Initializing Lua"<<std::endl;
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m_script = new MainMenuScripting(this);
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try {
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if (m_data->errormessage != "")
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{
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m_script->setMainMenuErrorMessage(m_data->errormessage);
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m_data->errormessage = "";
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}
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if (!loadMainMenuScript())
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assert("no future without mainmenu" == 0);
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run();
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}
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catch(LuaError &e) {
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errorstream << "MAINMENU ERROR: " << e.what() << std::endl;
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m_data->errormessage = e.what();
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}
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m_menu->quitMenu();
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m_menu->drop();
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m_menu = 0;
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}
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/******************************************************************************/
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bool GUIEngine::loadMainMenuScript()
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{
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// Try custom menu script (main_menu_script)
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std::string menuscript = g_settings->get("main_menu_script");
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if(menuscript != "") {
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m_scriptdir = fs::RemoveLastPathComponent(menuscript);
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if(m_script->loadMod(menuscript, "__custommenu")) {
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// custom menu script loaded
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return true;
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}
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else {
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infostream
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<< "GUIEngine: execution of custom menu failed!"
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<< std::endl
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<< "\tfalling back to builtin menu"
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<< std::endl;
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}
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}
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// Try builtin menu script (main_menu_script)
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std::string builtin_menuscript =
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porting::path_share + DIR_DELIM + "builtin"
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+ DIR_DELIM + "mainmenu.lua";
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m_scriptdir = fs::RemoveRelativePathComponents(
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fs::RemoveLastPathComponent(builtin_menuscript));
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if(m_script->loadMod(builtin_menuscript, "__builtinmenu")) {
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// builtin menu script loaded
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return true;
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}
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else {
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errorstream
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<< "GUIEngine: unable to load builtin menu"
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<< std::endl;
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}
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return false;
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}
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/******************************************************************************/
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void GUIEngine::run()
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{
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// Always create clouds because they may or may not be
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// needed based on the game selected
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video::IVideoDriver* driver = m_device->getVideoDriver();
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cloudInit();
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while(m_device->run() && (!m_startgame) && (!m_kill)) {
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driver->beginScene(true, true, video::SColor(255,140,186,250));
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if (m_clouds_enabled)
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{
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cloudPreProcess();
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drawOverlay(driver);
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}
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else
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drawBackground(driver);
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drawHeader(driver);
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drawFooter(driver);
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m_device->getGUIEnvironment()->drawAll();
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driver->endScene();
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if (m_clouds_enabled)
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cloudPostProcess();
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else
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sleep_ms(25);
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}
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}
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/******************************************************************************/
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GUIEngine::~GUIEngine()
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{
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video::IVideoDriver* driver = m_device->getVideoDriver();
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assert(driver != 0);
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if(m_sound_manager != &dummySoundManager){
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delete m_sound_manager;
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m_sound_manager = NULL;
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}
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//TODO: clean up m_menu here
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infostream<<"GUIEngine: Deinitializing scripting"<<std::endl;
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delete m_script;
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m_irr_toplefttext->setText(L"");
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//clean up texture pointers
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for (unsigned int i = 0; i < TEX_LAYER_MAX; i++) {
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if (m_textures[i] != 0)
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driver->removeTexture(m_textures[i]);
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}
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delete m_texture_source;
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if (m_cloud.clouds)
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m_cloud.clouds->drop();
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}
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/******************************************************************************/
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void GUIEngine::cloudInit()
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{
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m_cloud.clouds = new Clouds(m_smgr->getRootSceneNode(),
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m_smgr, -1, rand(), 100);
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m_cloud.clouds->update(v2f(0, 0), video::SColor(255,200,200,255));
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m_cloud.camera = m_smgr->addCameraSceneNode(0,
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v3f(0,0,0), v3f(0, 60, 100));
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m_cloud.camera->setFarValue(10000);
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m_cloud.lasttime = m_device->getTimer()->getTime();
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}
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/******************************************************************************/
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void GUIEngine::cloudPreProcess()
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{
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u32 time = m_device->getTimer()->getTime();
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if(time > m_cloud.lasttime)
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m_cloud.dtime = (time - m_cloud.lasttime) / 1000.0;
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else
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m_cloud.dtime = 0;
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m_cloud.lasttime = time;
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m_cloud.clouds->step(m_cloud.dtime*3);
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m_cloud.clouds->render();
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m_smgr->drawAll();
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}
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/******************************************************************************/
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void GUIEngine::cloudPostProcess()
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{
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float fps_max = g_settings->getFloat("fps_max");
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// Time of frame without fps limit
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float busytime;
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u32 busytime_u32;
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// not using getRealTime is necessary for wine
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u32 time = m_device->getTimer()->getTime();
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if(time > m_cloud.lasttime)
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busytime_u32 = time - m_cloud.lasttime;
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else
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busytime_u32 = 0;
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busytime = busytime_u32 / 1000.0;
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// FPS limiter
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u32 frametime_min = 1000./fps_max;
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if(busytime_u32 < frametime_min) {
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u32 sleeptime = frametime_min - busytime_u32;
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m_device->sleep(sleeptime);
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}
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}
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/******************************************************************************/
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void GUIEngine::drawBackground(video::IVideoDriver* driver)
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{
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v2u32 screensize = driver->getScreenSize();
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video::ITexture* texture = m_textures[TEX_LAYER_BACKGROUND];
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/* If no texture, draw background of solid color */
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if(!texture){
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video::SColor color(255,80,58,37);
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core::rect<s32> rect(0, 0, screensize.X, screensize.Y);
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driver->draw2DRectangle(color, rect, NULL);
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return;
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}
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/* Draw background texture */
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v2u32 sourcesize = texture->getOriginalSize();
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driver->draw2DImage(texture,
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core::rect<s32>(0, 0, screensize.X, screensize.Y),
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core::rect<s32>(0, 0, sourcesize.X, sourcesize.Y),
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NULL, NULL, true);
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}
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/******************************************************************************/
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void GUIEngine::drawOverlay(video::IVideoDriver* driver)
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{
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v2u32 screensize = driver->getScreenSize();
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video::ITexture* texture = m_textures[TEX_LAYER_OVERLAY];
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/* If no texture, draw background of solid color */
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if(!texture)
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return;
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/* Draw background texture */
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v2u32 sourcesize = texture->getOriginalSize();
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driver->draw2DImage(texture,
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core::rect<s32>(0, 0, screensize.X, screensize.Y),
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core::rect<s32>(0, 0, sourcesize.X, sourcesize.Y),
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NULL, NULL, true);
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}
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/******************************************************************************/
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void GUIEngine::drawHeader(video::IVideoDriver* driver)
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{
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core::dimension2d<u32> screensize = driver->getScreenSize();
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video::ITexture* texture = m_textures[TEX_LAYER_HEADER];
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/* If no texture, draw nothing */
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if(!texture)
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return;
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f32 mult = (((f32)screensize.Width / 2.0)) /
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((f32)texture->getOriginalSize().Width);
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v2s32 splashsize(((f32)texture->getOriginalSize().Width) * mult,
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((f32)texture->getOriginalSize().Height) * mult);
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// Don't draw the header is there isn't enough room
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s32 free_space = (((s32)screensize.Height)-320)/2;
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if (free_space > splashsize.Y) {
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core::rect<s32> splashrect(0, 0, splashsize.X, splashsize.Y);
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splashrect += v2s32((screensize.Width/2)-(splashsize.X/2),
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((free_space/2)-splashsize.Y/2)+10);
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video::SColor bgcolor(255,50,50,50);
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driver->draw2DImage(texture, splashrect,
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core::rect<s32>(core::position2d<s32>(0,0),
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core::dimension2di(texture->getOriginalSize())),
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NULL, NULL, true);
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}
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}
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/******************************************************************************/
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void GUIEngine::drawFooter(video::IVideoDriver* driver)
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{
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core::dimension2d<u32> screensize = driver->getScreenSize();
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video::ITexture* texture = m_textures[TEX_LAYER_FOOTER];
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/* If no texture, draw nothing */
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if(!texture)
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return;
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f32 mult = (((f32)screensize.Width)) /
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((f32)texture->getOriginalSize().Width);
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v2s32 footersize(((f32)texture->getOriginalSize().Width) * mult,
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((f32)texture->getOriginalSize().Height) * mult);
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// Don't draw the footer if there isn't enough room
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s32 free_space = (((s32)screensize.Height)-320)/2;
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if (free_space > footersize.Y) {
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core::rect<s32> rect(0,0,footersize.X,footersize.Y);
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rect += v2s32(screensize.Width/2,screensize.Height-footersize.Y);
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rect -= v2s32(footersize.X/2, 0);
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driver->draw2DImage(texture, rect,
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core::rect<s32>(core::position2d<s32>(0,0),
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core::dimension2di(texture->getOriginalSize())),
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NULL, NULL, true);
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}
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}
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/******************************************************************************/
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bool GUIEngine::setTexture(texture_layer layer,std::string texturepath) {
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video::IVideoDriver* driver = m_device->getVideoDriver();
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assert(driver != 0);
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if (m_textures[layer] != 0)
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{
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driver->removeTexture(m_textures[layer]);
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m_textures[layer] = 0;
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}
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if ((texturepath == "") || !fs::PathExists(texturepath))
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return false;
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m_textures[layer] = driver->getTexture(texturepath.c_str());
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if (m_textures[layer] == 0) return false;
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return true;
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}
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/******************************************************************************/
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#if USE_CURL
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static size_t WriteCallback(void *contents, size_t size, size_t nmemb, void *userp)
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{
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FILE* targetfile = (FILE*) userp;
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fwrite(contents,size,nmemb,targetfile);
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return size * nmemb;
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}
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#endif
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bool GUIEngine::downloadFile(std::string url,std::string target) {
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#if USE_CURL
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//download file via curl
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CURL *curl;
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curl = curl_easy_init();
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if (curl)
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{
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CURLcode res;
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bool retval = true;
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FILE* targetfile = fopen(target.c_str(),"wb");
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if (targetfile) {
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curl_easy_setopt(curl, CURLOPT_NOSIGNAL, 1);
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curl_easy_setopt(curl, CURLOPT_URL, url.c_str());
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curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, WriteCallback);
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curl_easy_setopt(curl, CURLOPT_WRITEDATA, targetfile);
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res = curl_easy_perform(curl);
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if (res != CURLE_OK) {
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errorstream << "File at url \"" << url
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<<"\" not found (" << curl_easy_strerror(res) << ")" <<std::endl;
|
|
retval = false;
|
|
}
|
|
fclose(targetfile);
|
|
}
|
|
else {
|
|
retval = false;
|
|
}
|
|
|
|
curl_easy_cleanup(curl);
|
|
return retval;
|
|
}
|
|
#endif
|
|
return false;
|
|
}
|
|
|
|
/******************************************************************************/
|
|
void GUIEngine::setTopleftText(std::string append) {
|
|
std::string toset = std::string("Minetest ") + minetest_version_hash;
|
|
|
|
if (append != "") {
|
|
toset += " / ";
|
|
toset += append;
|
|
}
|
|
|
|
m_irr_toplefttext->setText(narrow_to_wide(toset).c_str());
|
|
}
|
|
|
|
/******************************************************************************/
|
|
s32 GUIEngine::playSound(SimpleSoundSpec spec, bool looped)
|
|
{
|
|
s32 handle = m_sound_manager->playSound(spec, looped);
|
|
return handle;
|
|
}
|
|
|
|
/******************************************************************************/
|
|
void GUIEngine::stopSound(s32 handle)
|
|
{
|
|
m_sound_manager->stopSound(handle);
|
|
}
|