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Diffstat (limited to 'examples/01.HelloWorld_Android/main.cpp')
| -rw-r--r-- | examples/01.HelloWorld_Android/main.cpp | 387 |
1 files changed, 387 insertions, 0 deletions
diff --git a/examples/01.HelloWorld_Android/main.cpp b/examples/01.HelloWorld_Android/main.cpp new file mode 100644 index 0000000..087da55 --- /dev/null +++ b/examples/01.HelloWorld_Android/main.cpp @@ -0,0 +1,387 @@ +/** Example 027 Helloworld_Android
+ This example shows a simple application for Android.
+*/
+
+#include <irrlicht.h>
+
+#ifdef _IRR_ANDROID_PLATFORM_
+
+#include <android_native_app_glue.h>
+#include "android_tools.h"
+#include "android/window.h"
+
+using namespace irr;
+using namespace core;
+using namespace scene;
+using namespace video;
+using namespace io;
+using namespace gui;
+
+
+enum GUI_IDS
+{
+ GUI_INFO_FPS,
+ GUI_IRR_LOGO,
+};
+
+
+/*
+ Android is using multitouch events.
+ We allow users to move around the Irrlicht logo as example of how to use those.
+*/
+class MyEventReceiver : public IEventReceiver
+{
+public:
+ MyEventReceiver(android_app* app )
+ : Device(0), AndroidApp(app), SpriteToMove(0), TouchID(-1)
+ {
+ }
+
+ void Init(IrrlichtDevice *device)
+ {
+ Device = device;
+ }
+
+ virtual bool OnEvent(const SEvent& event)
+ {
+ if (event.EventType == EET_TOUCH_INPUT_EVENT)
+ {
+ /*
+ For now we fake mouse-events. Touch-events will be handled inside Irrlicht in the future, but until
+ that is implemented you can use this workaround to get a GUI which works at least for simple elements like
+ buttons. That workaround does ignore multi-touch events - if you need several buttons pressed at the same
+ time you have to handle that yourself.
+ */
+ SEvent fakeMouseEvent;
+ fakeMouseEvent.EventType = EET_MOUSE_INPUT_EVENT;
+ fakeMouseEvent.MouseInput.X = event.TouchInput.X;
+ fakeMouseEvent.MouseInput.Y = event.TouchInput.Y;
+ fakeMouseEvent.MouseInput.Shift = false;
+ fakeMouseEvent.MouseInput.Control = false;
+ fakeMouseEvent.MouseInput.ButtonStates = 0;
+ fakeMouseEvent.MouseInput.Event = EMIE_COUNT;
+
+ switch (event.TouchInput.Event)
+ {
+ case ETIE_PRESSED_DOWN:
+ {
+ // We only work with the first for now.force opengl error
+ if ( TouchID == -1 )
+ {
+ fakeMouseEvent.MouseInput.Event = EMIE_LMOUSE_PRESSED_DOWN;
+
+ if (Device)
+ {
+ position2d<s32> touchPoint(event.TouchInput.X, event.TouchInput.Y);
+ IGUIElement * logo = Device->getGUIEnvironment()->getRootGUIElement()->getElementFromId ( GUI_IRR_LOGO );
+ if ( logo && logo->isPointInside (touchPoint) )
+ {
+ TouchID = event.TouchInput.ID;
+ SpriteToMove = logo;
+ SpriteStartRect = SpriteToMove->getRelativePosition();
+ TouchStartPos = touchPoint;
+ }
+ }
+ }
+ break;
+ }
+ case ETIE_MOVED:
+ if ( TouchID == event.TouchInput.ID )
+ {
+ fakeMouseEvent.MouseInput.Event = EMIE_MOUSE_MOVED;
+ fakeMouseEvent.MouseInput.ButtonStates = EMBSM_LEFT;
+
+ if ( SpriteToMove && TouchID == event.TouchInput.ID )
+ {
+
+ position2d<s32> touchPoint(event.TouchInput.X, event.TouchInput.Y);
+ MoveSprite(touchPoint);
+ }
+ }
+ break;
+ case ETIE_LEFT_UP:
+ if ( TouchID == event.TouchInput.ID )
+ {
+ fakeMouseEvent.MouseInput.Event = EMIE_LMOUSE_LEFT_UP;
+
+ if ( SpriteToMove )
+ {
+ TouchID = -1;
+ position2d<s32> touchPoint(event.TouchInput.X, event.TouchInput.Y);
+ MoveSprite(touchPoint);
+ SpriteToMove = 0;
+ }
+ }
+ break;
+ default:
+ break;
+ }
+
+ if ( fakeMouseEvent.MouseInput.Event != EMIE_COUNT && Device )
+ {
+ Device->postEventFromUser(fakeMouseEvent);
+ }
+ }
+ else if ( event.EventType == EET_GUI_EVENT )
+ {
+ /*
+ Show and hide the soft input keyboard when an edit-box get's the focus.
+ */
+ switch(event.GUIEvent.EventType)
+ {
+ case EGET_EDITBOX_ENTER:
+ if ( event.GUIEvent.Caller->getType() == EGUIET_EDIT_BOX )
+ {
+ if( Device->getGUIEnvironment() )
+ Device->getGUIEnvironment()->setFocus(NULL);
+ android::setSoftInputVisibility(AndroidApp, false);
+ }
+ break;
+ case EGET_ELEMENT_FOCUS_LOST:
+ if ( event.GUIEvent.Caller->getType() == EGUIET_EDIT_BOX )
+ {
+ /* Unfortunatly this only works on some android devices.
+ On other devices Android passes through touch-input events when the virtual keyboard is clicked while blocking those events in areas where the keyboard isn't.
+ Very likely an Android bug as it only happens in certain cases (like Android Lollipop with landscape mode on MotoG, but also some reports from other devices).
+ Or maybe Irrlicht still does something wrong.
+ Can't figure it out so far - so be warned - with landscape mode you might be better off writing your own keyboard.
+ */
+ android::setSoftInputVisibility(AndroidApp, false);
+ }
+ break;
+ case EGET_ELEMENT_FOCUSED:
+ if ( event.GUIEvent.Caller->getType() == EGUIET_EDIT_BOX )
+ {
+ android::setSoftInputVisibility(AndroidApp, true);
+ }
+ break;
+ default:
+ break;
+ }
+ }
+
+ return false;
+ }
+
+ void MoveSprite(const irr::core::position2d<irr::s32> &touchPos)
+ {
+ irr::core::position2d<irr::s32> move(touchPos-TouchStartPos);
+ SpriteToMove->setRelativePosition(SpriteStartRect.UpperLeftCorner + move);
+ }
+
+private:
+ IrrlichtDevice * Device;
+ android_app* AndroidApp;
+ gui::IGUIElement * SpriteToMove;
+ core::rect<s32> SpriteStartRect;
+ core::position2d<irr::s32> TouchStartPos;
+ s32 TouchID;
+};
+
+/* Mainloop.
+*/
+void mainloop( IrrlichtDevice *device, IGUIStaticText * infoText )
+{
+ u32 loop = 0; // loop is reset when the app is destroyed unlike runCounter
+ static u32 runCounter = 0; // static's seem to survive even an app-destroy message (not sure if that's guaranteed).
+ while(device->run())
+ {
+ /*
+ The window seems to be always active in this setup.
+ That's because when it's not active Android will stop the code from running.
+ */
+ if (device->isWindowActive())
+ {
+ /*
+ Show FPS and some counters to show which parts of an app run
+ in different app-lifecycle states.
+ */
+ if ( infoText )
+ {
+ stringw str = L"FPS:";
+ str += (s32)device->getVideoDriver()->getFPS();
+ str += L" r:";
+ str += runCounter;
+ str += L" l:";
+ str += loop;
+ infoText->setText ( str.c_str() );
+ }
+
+ device->getVideoDriver()->beginScene(true, true, SColor(0,100,100,100));
+ device->getSceneManager()->drawAll();
+ device->getGUIEnvironment()->drawAll();
+ device->getVideoDriver()->endScene ();
+ }
+ device->yield(); // probably nicer to the battery
+ ++runCounter;
+ ++loop;
+ }
+}
+
+/* Main application code. */
+void android_main(android_app* app)
+{
+ // Make sure glue isn't stripped.
+ app_dummy();
+
+ /*
+ The receiver can already receive system events while createDeviceEx is called.
+ So we create it first.
+ */
+ MyEventReceiver receiver(app);
+
+ /*
+ Create the device.
+ You have currently the choice between 2 drivers:
+ EDT_OGLES1 is basically a opengl fixed function pipeline.
+ EDT_OGLES2 is a shader pipeline. Irrlicht comes with shaders to simulate
+ typical fixed function materials. For this to work the
+ corresponding shaders from the Irrlicht media/Shaders folder are
+ copied to the application assets folder (done in the Makefile).
+ */
+ SIrrlichtCreationParameters param;
+// param.DriverType = EDT_OGLES1; // android:glEsVersion in AndroidManifest.xml should be "0x00010000" (requesting 0x00020000 will also guarantee that ES1 works)
+ param.DriverType = EDT_OGLES2; // android:glEsVersion in AndroidManifest.xml should be "0x00020000"
+ param.WindowSize = dimension2d<u32>(300,300); // using 0,0 it will automatically set it to the maximal size
+ param.PrivateData = app;
+ param.Bits = 24;
+ param.ZBufferBits = 16;
+ param.AntiAlias = 0;
+ param. EventReceiver = &receiver;
+
+ /* Logging is written to a file. So your application should disable all logging when you distribute your
+ application or it can fill up that file over time.
+ */
+#ifndef _DEBUG
+ param.LoggingLevel = ELL_NONE;
+#endif
+
+ IrrlichtDevice *device = createDeviceEx(param);
+ if (device == 0)
+ return;
+
+ receiver.Init(device);
+
+// ANativeActivity_setWindowFlags(app->activity, AWINDOW_FLAG_FULLSCREEN, 0);
+
+ IVideoDriver* driver = device->getVideoDriver();
+ ISceneManager* smgr = device->getSceneManager();
+ IGUIEnvironment* guienv = device->getGUIEnvironment();
+ ILogger* logger = device->getLogger();
+ IFileSystem * fs = device->getFileSystem();
+
+ /* Access to the Android native window. You often need this when accessing NDK functions like we are doing here.
+ Note that windowWidth/windowHeight have already subtracted things like the taskbar which your device might have,
+ so you get the real size of your render-window.
+ */
+ ANativeWindow* nativeWindow = static_cast<ANativeWindow*>(driver->getExposedVideoData().OGLESAndroid.Window);
+ int32_t windowWidth = ANativeWindow_getWidth(app->window);
+ int32_t windowHeight = ANativeWindow_getHeight(app->window);
+
+ /* Get display metrics. We are accessing the Java functions of the JVM directly in this case as there is no NDK function for that yet.
+ Checkout android_tools.cpp if you want to know how that is done. */
+ irr::android::SDisplayMetrics displayMetrics;
+ memset(&displayMetrics, 0, sizeof displayMetrics);
+ irr::android::getDisplayMetrics(app, displayMetrics);
+
+ /* For troubleshooting you can use the Irrlicht logger.
+ The Irrlicht logging messages are send to the Android logging system using the tag "Irrlicht".
+ They stay in a file there, so you can check them even after running your app.
+ You can watch them with the command: "adb logcat Irrlicht:V DEBUG:V *:S"
+ This means Irrlicht _V_erbose, debug messages verbose (p.E callstack on crashes) and all other messages _S_ilent.
+ Clean the logging file with: "adb logcat -c".
+ See http://developer.android.com/tools/debugging/debugging-log.html for more advanced log options.
+ */
+ char strDisplay[1000];
+ sprintf(strDisplay, "Window size:(%d/%d)\nDisplay size:(%d/%d)", windowWidth, windowHeight, displayMetrics.widthPixels, displayMetrics.heightPixels);
+ logger->log(strDisplay);
+
+ core::dimension2d<s32> dim(driver->getScreenSize());
+ sprintf(strDisplay, "getScreenSize:(%d/%d)", dim.Width, dim.Height);
+ logger->log(strDisplay);
+
+
+ /* Your media must be somewhere inside the assets folder. The assets folder is the root for the file system.
+ This example copies the media in the Android.mk makefile. */
+ stringc mediaPath = "media/";
+
+ // The Android assets file-system does not know which sub-directories it has (blame google).
+ // So we have to add all sub-directories in assets manually. Otherwise we could still open the files,
+ // but existFile checks will fail (which are for example needed by getFont).
+ for ( u32 i=0; i < fs->getFileArchiveCount(); ++i )
+ {
+ IFileArchive* archive = fs->getFileArchive(i);
+ if ( archive->getType() == EFAT_ANDROID_ASSET )
+ {
+ archive->addDirectoryToFileList(mediaPath);
+ break;
+ }
+ }
+
+ /* Set the font-size depending on your device.
+ dpi=dots per inch. 1 inch = 2.54 cm. */
+ IGUISkin* skin = guienv->getSkin();
+ IGUIFont* font = 0;
+ if ( displayMetrics.xdpi < 100 ) // just guessing some value where fontsize might start to get too small
+ font = guienv->getFont(mediaPath + "fonthaettenschweiler.bmp");
+ else
+ font = guienv->getFont(mediaPath + "bigfont.png");
+ if (font)
+ skin->setFont(font);
+
+ // A field to show some text. Comment out stat->setText in run() if you want to see the dpi instead of the fps.
+ IGUIStaticText *text = guienv->addStaticText(stringw(displayMetrics.xdpi).c_str(),
+ rect<s32>(5,5,635,35), false, false, 0, GUI_INFO_FPS );
+ guienv->addEditBox( L"", rect<s32>(5,40,475,80));
+
+ // add irrlicht logo
+ IGUIImage * logo = guienv->addImage(driver->getTexture(mediaPath + "irrlichtlogo3.png"),
+ core::position2d<s32>(5,85), true, 0, GUI_IRR_LOGO);
+ s32 minLogoWidth = windowWidth/3;
+ if ( logo && logo->getRelativePosition().getWidth() < minLogoWidth )
+ {
+ /* Scale to make it better visible on high-res devices (we could also work with dpi here).
+ */
+ logo->setScaleImage(true);
+ core::rect<s32> logoPos(logo->getRelativePosition());
+ f32 scale = (f32)minLogoWidth/(f32)logoPos.getWidth();
+ logoPos.LowerRightCorner.X = logoPos.UpperLeftCorner.X + minLogoWidth;
+ logoPos.LowerRightCorner.Y = logoPos.UpperLeftCorner.Y + (s32)((f32)logoPos.getHeight()*scale);
+ logo->setRelativePosition(logoPos);
+ }
+
+ /*
+ Add a 3d model. Note that you might need to add light when using other models.
+ A copy of the model and it's textures must be inside the assets folder to be installed to Android.
+ In this example we do copy it to the assets folder in the Makefile jni/Android.mk
+ */
+ IAnimatedMesh* mesh = smgr->getMesh(mediaPath + "dwarf.x");
+ if (!mesh)
+ {
+ device->closeDevice();
+ device->drop();
+ return;
+ }
+ smgr->addAnimatedMeshSceneNode( mesh );
+
+
+ /*
+ To look at the mesh, we place a camera.
+ */
+ smgr->addCameraSceneNode(0, vector3df(15,40,-90), vector3df(0,30,0));
+
+ /*
+ Mainloop. Applications usually never quit themself in Android. The OS is responsible for that.
+ */
+ mainloop(device, text);
+
+ /* Cleanup */
+ device->setEventReceiver(0);
+ device->closeDevice();
+ device->drop();
+}
+
+#endif // defined(_IRR_ANDROID_PLATFORM_)
+
+/*
+**/
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