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https://github.com/minetest/irrlicht.git
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a3adfc196b
We had changed that once before in the other direction in svn r421 Reason back then was "Sleep(0) doesn't allow any lower priority threads to execute" But Microsoft changed the behaviour of Sleep(0) after Windows XP so that's no longer true. And the costs of it is pretty high - due to this using a timer with a 15ms resolutions it meant not just giving up the thread but it also always waited for 15ms on Windows. I also replaced a few sleep calls in examples for that reason with yield() calls. git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@6459 dfc29bdd-3216-0410-991c-e03cc46cb475
85 lines
2.1 KiB
C++
85 lines
2.1 KiB
C++
#include <irrlicht.h>
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#include "driverChoice.h"
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// include the gui creator element factory
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#include "CGUIEditFactory.h"
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using namespace irr;
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using namespace gui;
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#ifdef _MSC_VER
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#pragma comment(lib, "Irrlicht.lib")
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#endif
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int main()
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{
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// ask user for driver
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video::E_DRIVER_TYPE driverType=driverChoiceConsole(false);
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if (driverType==video::EDT_COUNT)
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return 1;
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IrrlichtDevice *device = createDevice(driverType, core::dimension2du(800, 600));
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video::IVideoDriver* driver = device->getVideoDriver();
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scene::ISceneManager* smgr = device->getSceneManager();
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gui::IGUIEnvironment *env = device->getGUIEnvironment();
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device->setResizable(true);
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/*
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first we create the factory which can make new GUI elements
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and register it with the gui environment.
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*/
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IGUIElementFactory* factory = new CGUIEditFactory(env);
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env->registerGUIElementFactory(factory);
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// remember to drop since we created with a create call
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factory->drop();
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IGUISkin *skin = env->createSkin(EGST_WINDOWS_METALLIC);
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env->setSkin(skin);
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IGUIFont *font = env->getFont("../../media/lucida.xml");
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if (font)
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skin->setFont(font);
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skin->drop();
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// change transparency of skin
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for (s32 i=0; i<gui::EGDC_COUNT ; ++i)
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{
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video::SColor col = env->getSkin()->getColor((gui::EGUI_DEFAULT_COLOR)i);
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col.setAlpha(250);
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env->getSkin()->setColor((gui::EGUI_DEFAULT_COLOR)i, col);
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}
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/*
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now we add the GUI Editor Workspace
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*/
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env->addGUIElement("GUIEditor");
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while(device->run())
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{
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if (!device->isWindowMinimized())
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{
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const core::dimension2d<u32>& screenSize = driver->getScreenSize();
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wchar_t caption[512];
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swprintf_irr(caption, 512, L"screen (%4u/%4u)", screenSize.Width, screenSize.Height);
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device->setWindowCaption(caption);
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driver->beginScene(video::ECBF_COLOR | video::ECBF_DEPTH, video::SColor(0,200,200,200));
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smgr->drawAll();
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env->drawAll();
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driver->endScene();
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}
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// be nice to CPU
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device->yield();
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if (!device->isWindowActive())
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device->sleep(90);
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}
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device->closeDevice();
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device->drop();
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return 0;
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}
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