From 7028cbe09c688437910a25623098762bf0fa592d Mon Sep 17 00:00:00 2001 From: David Walter Seikel Date: Mon, 28 Mar 2016 22:28:34 +1000 Subject: Move Irrlicht to src/others. --- .../examples/25.XmlHandling/main.cpp | 505 --------------------- 1 file changed, 505 deletions(-) delete mode 100644 libraries/irrlicht-1.8.1/examples/25.XmlHandling/main.cpp (limited to 'libraries/irrlicht-1.8.1/examples/25.XmlHandling/main.cpp') diff --git a/libraries/irrlicht-1.8.1/examples/25.XmlHandling/main.cpp b/libraries/irrlicht-1.8.1/examples/25.XmlHandling/main.cpp deleted file mode 100644 index 3eb261d..0000000 --- a/libraries/irrlicht-1.8.1/examples/25.XmlHandling/main.cpp +++ /dev/null @@ -1,505 +0,0 @@ -/** Example 025 Xml Handling - -Demonstrates loading and saving of configurations via XML - -@author Y.M. Bosman \ - -This demo features a fully usable system for configuration handling. The code -can easily be integrated into own apps. - -*/ - -#include - -using namespace irr; -using namespace core; -using namespace scene; -using namespace video; -using namespace io; -using namespace gui; - -#ifdef _IRR_WINDOWS_ -#pragma comment(lib, "Irrlicht.lib") -#endif - - -/* SettingManager class. - -This class loads and writes the settings and manages the options. - -The class makes use of irrMap which is a an associative arrays using a -red-black tree it allows easy mapping of a key to a value, along the way there -is some information on how to use it. -*/ - -class SettingManager -{ -public: - - // Construct setting managers and set default settings - SettingManager(const stringw& settings_file): SettingsFile(settings_file), NullDevice(0) - { - // Irrlicht null device, we want to load settings before we actually created our device, therefore, nulldevice - NullDevice = irr::createDevice(irr::video::EDT_NULL); - - //DriverOptions is an irrlicht map, - //we can insert values in the map in two ways by calling insert(key,value) or by using the [key] operator - //the [] operator overrides values if they already exist - DriverOptions.insert(L"Software", EDT_SOFTWARE); - DriverOptions.insert(L"OpenGL", EDT_OPENGL); - DriverOptions.insert(L"Direct3D9", EDT_DIRECT3D9); - - //some resolution options - ResolutionOptions.insert(L"640x480", dimension2du(640,480)); - ResolutionOptions.insert(L"800x600", dimension2du(800,600)); - ResolutionOptions.insert(L"1024x768", dimension2du(1024,768)); - - //our preferred defaults - SettingMap.insert(L"driver", L"Direct3D9"); - SettingMap.insert(L"resolution", L"640x480"); - SettingMap.insert(L"fullscreen", L"0"); //0 is false - } - - // Destructor, you could store settings automatically on exit of your - // application if you wanted to in our case we simply drop the - // nulldevice - ~SettingManager() - { - if (NullDevice) - { - NullDevice->closeDevice(); - NullDevice->drop(); - } - }; - - /* - Load xml from disk, overwrite default settings - The xml we are trying to load has the following structure - settings nested in sections nested in the root node, like so - 
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- */ - bool load() - { - //if not able to create device don't attempt to load - if (!NullDevice) - return false; - - irr::io::IXMLReader* xml = NullDevice->getFileSystem()->createXMLReader(SettingsFile); //create xml reader - if (!xml) - return false; - - const stringw settingTag(L"setting"); //we'll be looking for this tag in the xml - stringw currentSection; //keep track of our current section - const stringw videoTag(L"video"); //constant for videotag - - //while there is more to read - while (xml->read()) - { - //check the node type - switch (xml->getNodeType()) - { - //we found a new element - case irr::io::EXN_ELEMENT: - { - //we currently are in the empty or mygame section and find the video tag so we set our current section to video - if (currentSection.empty() && videoTag.equals_ignore_case(xml->getNodeName())) - { - currentSection = videoTag; - } - //we are in the video section and we find a setting to parse - else if (currentSection.equals_ignore_case(videoTag) && settingTag.equals_ignore_case(xml->getNodeName() )) - { - //read in the key - stringw key = xml->getAttributeValueSafe(L"name"); - //if there actually is a key to set - if (!key.empty()) - { - //set the setting in the map to the value, - //the [] operator overrides values if they already exist or inserts a new key value - //pair into the settings map if it was not defined yet - SettingMap[key] = xml->getAttributeValueSafe(L"value"); - } - } - - //.. - // You can add your own sections and tags to read in here - //.. - } - break; - - //we found the end of an element - case irr::io::EXN_ELEMENT_END: - //we were at the end of the video section so we reset our tag - currentSection=L""; - break; - } - } - - // don't forget to delete the xml reader - xml->drop(); - - return true; - } - - // Save the xml to disk. We use the nulldevice. - bool save() - { - - //if not able to create device don't attempt to save - if (!NullDevice) - return false; - - //create xml writer - irr::io::IXMLWriter* xwriter = NullDevice->getFileSystem()->createXMLWriter( SettingsFile ); - if (!xwriter) - return false; - - //write out the obligatory xml header. Each xml-file needs to have exactly one of those. - xwriter->writeXMLHeader(); - - //start element mygame, you replace the label "mygame" with anything you want - xwriter->writeElement(L"mygame"); - xwriter->writeLineBreak(); //new line - - //start section with video settings - xwriter->writeElement(L"video"); - xwriter->writeLineBreak(); //new line - - // getIterator gets us a pointer to the first node of the settings map - // every iteration we increase the iterator which gives us the next map node - // until we reach the end we write settings one by one by using the nodes key and value functions - map::Iterator i = SettingMap.getIterator(); - for(; !i.atEnd(); i++) - { - //write element as - //the second parameter indicates this is an empty element with no children, just attributes - xwriter->writeElement(L"setting",true, L"name", i->getKey().c_str(), L"value",i->getValue().c_str() ); - xwriter->writeLineBreak(); - } - xwriter->writeLineBreak(); - - //close video section - xwriter->writeClosingTag(L"video"); - xwriter->writeLineBreak(); - - //.. - // You can add writing sound settings, savegame information etc - //.. - - //close mygame section - xwriter->writeClosingTag(L"mygame"); - - //delete xml writer - xwriter->drop(); - - return true; - } - - // Set setting in our manager - void setSetting(const stringw& name, const stringw& value) - { - SettingMap[name]=value; - } - - // set setting overload to quickly assign integers to our setting map - void setSetting(const stringw& name, s32 value) - { - SettingMap[name]=stringw(value); - } - - // Get setting as string - stringw getSetting(const stringw& key) const - { - //the find function or irrmap returns a pointer to a map Node - //if the key can be found, otherwise it returns null - //the map node has the function getValue and getKey, as we already know the key, we return node->getValue() - map::Node* n = SettingMap.find(key); - if (n) - return n->getValue(); - else - return L""; - } - - // - bool getSettingAsBoolean(const stringw& key ) const - { - stringw s = getSetting(key); - if (s.empty()) - return false; - return s.equals_ignore_case(L"1"); - } - - // - s32 getSettingAsInteger(const stringw& key) const - { - //we implicitly cast to string instead of stringw because strtol10 does not accept wide strings - const stringc s = getSetting(key); - if (s.empty()) - return 0; - - return strtol10(s.c_str()); - } - -public: - map DriverOptions; //available options for driver config - map ResolutionOptions; //available options for resolution config -private: - SettingManager(const SettingManager& other); // defined but not implemented - SettingManager& operator=(const SettingManager& other); // defined but not implemented - - map SettingMap; //current config - - stringw SettingsFile; // location of the xml, usually the - irr::IrrlichtDevice* NullDevice; -}; - -/* -Application context for global variables -*/ -struct SAppContext -{ - SAppContext() - : Device(0),Gui(0), Driver(0), Settings(0), ShouldQuit(false), - ButtonSave(0), ButtonExit(0), ListboxDriver(0), - ListboxResolution(0), CheckboxFullscreen(0) - { - } - - ~SAppContext() - { - if (Settings) - delete Settings; - - if (Device) - { - Device->closeDevice(); - Device->drop(); - } - } - - IrrlichtDevice* Device; - IGUIEnvironment* Gui; - IVideoDriver* Driver; - SettingManager* Settings; - bool ShouldQuit; - - //settings dialog - IGUIButton* ButtonSave; - IGUIButton* ButtonExit; - IGUIListBox* ListboxDriver; - IGUIListBox* ListboxResolution; - IGUICheckBox* CheckboxFullscreen; -}; - -/* - A typical event receiver. -*/ -class MyEventReceiver : public IEventReceiver -{ -public: - MyEventReceiver(SAppContext & a) : App(a) { } - - virtual bool OnEvent(const SEvent& event) - { - if (event.EventType == EET_GUI_EVENT ) - { - switch ( event.GUIEvent.EventType ) - { - //handle button click events - case EGET_BUTTON_CLICKED: - { - //Our save button was called so we obtain the settings from our dialog and save them - if ( event.GUIEvent.Caller == App.ButtonSave ) - { - //if there is a selection write it - if ( App.ListboxDriver->getSelected() != -1) - App.Settings->setSetting(L"driver", App.ListboxDriver->getListItem(App.ListboxDriver->getSelected())); - - //if there is a selection write it - if ( App.ListboxResolution->getSelected() != -1) - App.Settings->setSetting(L"resolution", App.ListboxResolution->getListItem(App.ListboxResolution->getSelected())); - - App.Settings->setSetting(L"fullscreen", App.CheckboxFullscreen->isChecked()); - - - if (App.Settings->save()) - { - App.Gui->addMessageBox(L"settings save",L"settings saved, please restart for settings to change effect","",true); - } - } - // cancel/exit button clicked, tell the application to exit - else if ( event.GUIEvent.Caller == App.ButtonExit) - { - App.ShouldQuit = true; - } - } - break; - } - } - - return false; - } - -private: - SAppContext & App; -}; - - -/* -Function to create a video settings dialog -This dialog shows the current settings from the configuration xml and allows them to be changed -*/ -void createSettingsDialog(SAppContext& app) -{ - // first get rid of alpha in gui - for (irr::s32 i=0; igetSkin()->getColor((irr::gui::EGUI_DEFAULT_COLOR)i); - col.setAlpha(255); - app.Gui->getSkin()->setColor((irr::gui::EGUI_DEFAULT_COLOR)i, col); - } - - //create video settings windows - gui::IGUIWindow* windowSettings = app.Gui->addWindow(rect(10,10,400,400),true,L"Videosettings"); - app.Gui->addStaticText (L"Select your desired video settings", rect< s32 >(10,20, 200, 40), false, true, windowSettings); - - // add listbox for driver choice - app.Gui->addStaticText (L"Driver", rect< s32 >(10,50, 200, 60), false, true, windowSettings); - app.ListboxDriver = app.Gui->addListBox(rect(10,60,220,120), windowSettings, 1,true); - - //add all available options to the driver choice listbox - map::Iterator i = app.Settings->DriverOptions.getIterator(); - for(; !i.atEnd(); i++) - app.ListboxDriver->addItem(i->getKey().c_str()); - - //set currently selected driver - app.ListboxDriver->setSelected(app.Settings->getSetting("driver").c_str()); - - // add listbox for resolution choice - app.Gui->addStaticText (L"Resolution", rect< s32 >(10,130, 200, 140), false, true, windowSettings); - app.ListboxResolution = app.Gui->addListBox(rect(10,140,220,200), windowSettings, 1,true); - - //add all available options to the resolution listbox - map::Iterator ri = app.Settings->ResolutionOptions.getIterator(); - for(; !ri.atEnd(); ri++) - app.ListboxResolution->addItem(ri->getKey().c_str()); - - //set currently selected resolution - app.ListboxResolution->setSelected(app.Settings->getSetting("resolution").c_str()); - - //add checkbox to toggle fullscreen, initially set to loaded setting - app.CheckboxFullscreen = app.Gui->addCheckBox( - app.Settings->getSettingAsBoolean("fullscreen"), - rect(10,220,220,240), windowSettings, -1, - L"Fullscreen"); - - //last but not least add save button - app.ButtonSave = app.Gui->addButton( - rect(80,250,150,270), windowSettings, 2, - L"Save video settings"); - - //exit/cancel button - app.ButtonExit = app.Gui->addButton( - rect(160,250,240,270), windowSettings, 2, - L"Cancel and exit"); -} - -/* -The main function. Creates all objects and does the XML handling. -*/ -int main() -{ - //create new application context - SAppContext app; - - //create device creation parameters that can get overwritten by our settings file - SIrrlichtCreationParameters param; - param.DriverType = EDT_SOFTWARE; - param.WindowSize.set(640,480); - - // Try to load config. - // I leave it as an exercise of the reader to store the configuration in the local application data folder, - // the only logical place to store config data for games. For all other operating systems I redirect to your manuals - app.Settings = new SettingManager("../../media/settings.xml"); - if ( !app.Settings->load() ) - { - // ... - // Here add your own exception handling, for now we continue because there are defaults set in SettingManager constructor - // ... - } - else - { - //settings xml loaded from disk, - - //map driversetting to driver type and test if the setting is valid - //the DriverOptions map contains string representations mapped to to irrlicht E_DRIVER_TYPE enum - //e.g "direct3d9" will become 4 - //see DriverOptions in the settingmanager class for details - map::Node* driver = app.Settings->DriverOptions.find( app.Settings->getSetting("driver") ); - - if (driver) - { - if ( irr::IrrlichtDevice::isDriverSupported( static_cast( driver->getValue() ))) - { - // selected driver is supported, so we use it. - param.DriverType = static_cast( driver->getValue()); - } - } - - //map resolution setting to dimension in a similar way as demonstrated above - map::Node* res = app.Settings->ResolutionOptions.find( app.Settings->getSetting("resolution") ); - if (res) - { - param.WindowSize = res->getValue(); - } - - //get fullscreen setting from config - param.Fullscreen = app.Settings->getSettingAsBoolean("fullscreen"); - } - - //create the irrlicht device using the settings - app.Device = createDeviceEx(param); - if (app.Device == 0) - { - // You can add your own exception handling on driver failure - exit(0); - } - - app.Device->setWindowCaption(L"Xmlhandling - Irrlicht engine tutorial"); - app.Driver = app.Device->getVideoDriver(); - app.Gui = app.Device->getGUIEnvironment(); - - createSettingsDialog(app); - - //set event receiver so we can respond to gui events - MyEventReceiver receiver(app); - app.Device->setEventReceiver(&receiver); - - //enter main loop - while (!app.ShouldQuit && app.Device->run()) - { - if (app.Device->isWindowActive()) - { - app.Driver->beginScene(true, true, SColor(0,200,200,200)); - app.Gui->drawAll(); - app.Driver->endScene(); - } - app.Device->sleep(10); - } - - //app destroys device in destructor - - return 0; -} - -/* -**/ -- cgit v1.1