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gobind.src.go
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gobind.src.go
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// Code generated by file2byteslice. DO NOT EDIT.
package main
var gobindsrc = []byte("// Copyright 2019 The Ebiten Authors\n//\n// Licensed under the Apache License, Version 2.0 (the \"License\");\n// you may not use this file except in compliance with the License.\n// You may obtain a copy of the License at\n//\n// http://www.apache.org/licenses/LICENSE-2.0\n//\n// Unless required by applicable law or agreed to in writing, software\n// distributed under the License is distributed on an \"AS IS\" BASIS,\n// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n// See the License for the specific language governing permissions and\n// limitations under the License.\n\n// +build ebitenmobilegobind\n\n// gobind is a wrapper of the original gobind. This command adds extra files like a view controller.\npackage main\n\nimport (\n\t\"flag\"\n\t\"fmt\"\n\t\"io/ioutil\"\n\t\"log\"\n\t\"os\"\n\t\"os/exec\"\n\t\"path/filepath\"\n\t\"strings\"\n\n\t\"golang.org/x/tools/go/packages\"\n)\n\nvar (\n\tlang = flag.String(\"lang\", \"\", \"\")\n\toutdir = flag.String(\"outdir\", \"\", \"\")\n\tjavaPkg = flag.String(\"javapkg\", \"\", \"\")\n\tprefix = flag.String(\"prefix\", \"\", \"\")\n\tbootclasspath = flag.String(\"bootclasspath\", \"\", \"\")\n\tclasspath = flag.String(\"classpath\", \"\", \"\")\n\ttags = flag.String(\"tags\", \"\", \"\")\n)\n\nvar usage = `The Gobind tool generates Java language bindings for Go.\n\nFor usage details, see doc.go.`\n\nfunc main() {\n\tflag.Parse()\n\tif err := run(); err != nil {\n\t\tlog.Fatal(err)\n\t}\n}\n\nfunc invokeOriginalGobind(lang string) (pkgName string, err error) {\n\tcmd := exec.Command(\"gobind-original\", os.Args[1:]...)\n\tcmd.Stdout = os.Stdout\n\tcmd.Stderr = os.Stderr\n\tif err := cmd.Run(); err != nil {\n\t\treturn \"\", err\n\t}\n\n\tcfgtags := strings.Join(strings.Split(*tags, \",\"), \" \")\n\tcfg := &packages.Config{}\n\tswitch lang {\n\tcase \"java\":\n\t\tcfg.Env = append(os.Environ(), \"GOOS=android\")\n\tcase \"objc\":\n\t\tcfg.Env = append(os.Environ(), \"GOOS=darwin\")\n\t\tif cfgtags != \"\" {\n\t\t\tcfgtags += \" \"\n\t\t}\n\t\tcfgtags += \"ios\"\n\t}\n\tcfg.BuildFlags = []string{\"-tags\", cfgtags}\n\tpkgs, err := packages.Load(cfg, flag.Args()[0])\n\tif err != nil {\n\t\treturn \"\", err\n\t}\n\treturn pkgs[0].Name, nil\n}\n\nfunc forceGL() bool {\n\tfor _, tag := range strings.Split(*tags, \",\") {\n\t\tif tag == \"ebitengl\" {\n\t\t\treturn true\n\t\t}\n\t}\n\treturn false\n}\n\nfunc run() error {\n\twriteFile := func(filename string, content string) error {\n\t\tif err := ioutil.WriteFile(filepath.Join(*outdir, filename), []byte(content), 0644); err != nil {\n\t\t\treturn err\n\t\t}\n\t\treturn nil\n\t}\n\n\t// Add additional files.\n\tlangs := strings.Split(*lang, \",\")\n\tfor _, lang := range langs {\n\t\tpkgName, err := invokeOriginalGobind(lang)\n\t\tif err != nil {\n\t\t\treturn err\n\t\t}\n\t\tprefixLower := *prefix + pkgName\n\t\tprefixUpper := strings.Title(*prefix) + strings.Title(pkgName)\n\t\treplacePrefixes := func(content string) string {\n\t\t\tcontent = strings.ReplaceAll(content, \"{{.PrefixUpper}}\", prefixUpper)\n\t\t\tcontent = strings.ReplaceAll(content, \"{{.PrefixLower}}\", prefixLower)\n\t\t\tcontent = strings.ReplaceAll(content, \"{{.JavaPkg}}\", *javaPkg)\n\n\t\t\tf := \"0\"\n\t\t\tif forceGL() {\n\t\t\t\tf = \"1\"\n\t\t\t}\n\t\t\tcontent = strings.ReplaceAll(content, \"{{.ForceGL}}\", f)\n\t\t\treturn content\n\t\t}\n\n\t\tswitch lang {\n\t\tcase \"objc\":\n\t\t\t// iOS\n\t\t\tif err := writeFile(filepath.Join(\"src\", \"gobind\", prefixLower+\"ebitenviewcontroller_ios.m\"), replacePrefixes(objcM)); err != nil {\n\t\t\t\treturn err\n\t\t\t}\n\t\tcase \"java\":\n\t\t\t// Android\n\t\t\tdir := filepath.Join(strings.Split(*javaPkg, \".\")...)\n\t\t\tdir = filepath.Join(dir, prefixLower)\n\t\t\tif err := writeFile(filepath.Join(\"java\", dir, \"EbitenView.java\"), replacePrefixes(viewJava)); err != nil {\n\t\t\t\treturn err\n\t\t\t}\n\t\t\tif err := writeFile(filepath.Join(\"java\", dir, \"EbitenSurfaceView.java\"), replacePrefixes(surfaceViewJava)); err != nil {\n\t\t\t\treturn err\n\t\t\t}\n\t\tcase \"go\":\n\t\t\t// Do nothing.\n\t\tdefault:\n\t\t\tpanic(fmt.Sprintf(\"unsupported language: %s\", lang))\n\t\t}\n\t}\n\n\treturn nil\n}\n\nconst objcM = `// Code generated by ebitenmobile. DO NOT EDIT.\n\n// +build ios\n\n#import <TargetConditionals.h>\n\n#if TARGET_IPHONE_SIMULATOR || {{.ForceGL}}\n#define EBITEN_METAL 0\n#else\n#define EBITEN_METAL 1\n#endif\n\n#import <stdint.h>\n#import <UIKit/UIKit.h>\n#import <GLKit/GLkit.h>\n\n#import \"Ebitenmobileview.objc.h\"\n\n@interface {{.PrefixUpper}}EbitenViewController : UIViewController\n@end\n\n@implementation {{.PrefixUpper}}EbitenViewController {\n UIView* metalView_;\n GLKView* glkView_;\n bool started_;\n bool active_;\n bool error_;\n}\n\n- (UIView*)metalView {\n if (!metalView_) {\n metalView_ = [[UIView alloc] init];\n metalView_.multipleTouchEnabled = YES;\n }\n return metalView_;\n}\n\n- (GLKView*)glkView {\n if (!glkView_) {\n glkView_ = [[GLKView alloc] init];\n glkView_.multipleTouchEnabled = YES;\n }\n return glkView_;\n}\n\n- (void)viewDidLoad {\n [super viewDidLoad];\n\n if (!started_) {\n @synchronized(self) {\n active_ = true;\n }\n started_ = true;\n }\n\n#if EBITEN_METAL\n [self.view addSubview: self.metalView];\n EbitenmobileviewSetUIView((uintptr_t)(self.metalView));\n#else\n self.glkView.delegate = (id<GLKViewDelegate>)(self);\n [self.view addSubview: self.glkView];\n\n EAGLContext *context = [[EAGLContext alloc] initWithAPI:kEAGLRenderingAPIOpenGLES2];\n [self glkView].context = context;\n\t\n [EAGLContext setCurrentContext:context];\n#endif\n\n CADisplayLink *displayLink = [CADisplayLink displayLinkWithTarget:self selector:@selector(drawFrame)];\n [displayLink addToRunLoop:[NSRunLoop currentRunLoop] forMode:NSDefaultRunLoopMode];\n}\n\n- (void)viewWillLayoutSubviews {\n CGRect viewRect = [[self view] frame];\n#if EBITEN_METAL\n [[self metalView] setFrame:viewRect];\n#else\n [[self glkView] setFrame:viewRect];\n#endif\n}\n\n- (void)viewDidLayoutSubviews {\n [super viewDidLayoutSubviews];\n CGRect viewRect = [[self view] frame];\n\n EbitenmobileviewLayout(viewRect.size.width, viewRect.size.height);\n}\n\n- (void)didReceiveMemoryWarning {\n [super didReceiveMemoryWarning];\n // Dispose of any resources that can be recreated.\n // TODO: Notify this to Go world?\n}\n\n- (void)drawFrame{\n @synchronized(self) {\n if (!active_) {\n return;\n }\n\n#if EBITEN_METAL\n [self updateEbiten];\n#else\n [[self glkView] setNeedsDisplay];\n#endif\n }\n}\n\n- (void)glkView:(GLKView*)view drawInRect:(CGRect)rect {\n @synchronized(self) {\n [self updateEbiten];\n }\n}\n\n- (void)updateEbiten {\n if (error_) {\n return;\n }\n NSError* err = nil;\n EbitenmobileviewUpdate(&err);\n if (err != nil) {\n [self performSelectorOnMainThread:@selector(onErrorOnGameUpdate:)\n withObject:err\n waitUntilDone:NO];\n error_ = true;\n }\n}\n\n- (void)onErrorOnGameUpdate:(NSError*)err {\n NSLog(@\"Error: %@\", err);\n}\n\n- (void)updateTouches:(NSSet*)touches {\n for (UITouch* touch in touches) {\n#if EBITEN_METAL\n if (touch.view != [self metalView]) {\n continue;\n }\n#else\n if (touch.view != [self glkView]) {\n continue;\n }\n#endif\n CGPoint location = [touch locationInView:touch.view];\n EbitenmobileviewUpdateTouchesOnIOS(touch.phase, (uintptr_t)touch, location.x, location.y);\n }\n}\n\n- (void)touchesBegan:(NSSet*)touches withEvent:(UIEvent*)event {\n [self updateTouches:touches];\n}\n\n- (void)touchesMoved:(NSSet*)touches withEvent:(UIEvent*)event {\n [self updateTouches:touches];\n}\n\n- (void)touchesEnded:(NSSet*)touches withEvent:(UIEvent*)event {\n [self updateTouches:touches];\n}\n\n- (void)touchesCancelled:(NSSet*)touches withEvent:(UIEvent*)event {\n [self updateTouches:touches];\n}\n\n- (void)suspendGame {\n NSAssert(started_, @\"suspendGame must not be called before viewDidLoad is called\");\n\n @synchronized(self) {\n active_ = false;\n EbitenmobileviewSuspend();\n }\n}\n\n- (void)resumeGame {\n NSAssert(started_, @\"resumeGame must not be called before viewDidLoad is called\");\n\n @synchronized(self) {\n active_ = true;\n EbitenmobileviewResume();\n }\n}\n\n@end\n`\n\nconst viewJava = `// Code generated by ebitenmobile. DO NOT EDIT.\n\npackage {{.JavaPkg}}.{{.PrefixLower}};\n\nimport android.content.Context;\nimport android.hardware.input.InputManager;\nimport android.os.Handler;\nimport android.os.Looper;\nimport android.util.AttributeSet;\nimport android.util.Log;\nimport android.view.KeyEvent;\nimport android.view.InputDevice;\nimport android.view.MotionEvent;\nimport android.view.ViewGroup;\n\nimport {{.JavaPkg}}.ebitenmobileview.Ebitenmobileview;\n\npublic class EbitenView extends ViewGroup implements InputManager.InputDeviceListener {\n private double getDeviceScale() {\n if (this.deviceScale == 0.0) {\n this.deviceScale = getResources().getDisplayMetrics().density;\n }\n return this.deviceScale;\n }\n\n private double pxToDp(double x) {\n return x / getDeviceScale();\n }\n\n private double deviceScale = 0.0;\n\n public EbitenView(Context context) {\n super(context);\n initialize(context);\n }\n\n public EbitenView(Context context, AttributeSet attrs) {\n super(context, attrs);\n initialize(context);\n }\n\n private void initialize(Context context) {\n this.ebitenSurfaceView = new EbitenSurfaceView(getContext());\n LayoutParams params = new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);\n addView(this.ebitenSurfaceView, params);\n\n this.inputManager = (InputManager)context.getSystemService(Context.INPUT_SERVICE);\n this.inputManager.registerInputDeviceListener(this, null);\n for (int id : this.inputManager.getInputDeviceIds()) {\n this.onInputDeviceAdded(id);\n }\n }\n\n @Override\n protected void onLayout(boolean changed, int left, int top, int right, int bottom) {\n this.ebitenSurfaceView.layout(0, 0, right - left, bottom - top);\n double widthInDp = pxToDp(right - left);\n double heightInDp = pxToDp(bottom - top);\n Ebitenmobileview.layout(widthInDp, heightInDp);\n }\n\n @Override\n public boolean onKeyDown(int keyCode, KeyEvent event) {\n Ebitenmobileview.onKeyDownOnAndroid(keyCode, event.getUnicodeChar(), event.getSource(), event.getDeviceId());\n return true;\n }\n\n @Override\n public boolean onKeyUp(int keyCode, KeyEvent event) {\n Ebitenmobileview.onKeyUpOnAndroid(keyCode, event.getSource(), event.getDeviceId());\n return true;\n }\n\n @Override\n public boolean onTouchEvent(MotionEvent e) {\n for (int i = 0; i < e.getPointerCount(); i++) {\n int id = e.getPointerId(i);\n int x = (int)e.getX(i);\n int y = (int)e.getY(i);\n Ebitenmobileview.updateTouchesOnAndroid(e.getActionMasked(), id, (int)pxToDp(x), (int)pxToDp(y));\n }\n return true;\n }\n\n // The order must be the same as mobile/ebitenmobileview/input_android.go.\n static int[] gamepadButtons = {\n KeyEvent.KEYCODE_BUTTON_A,\n KeyEvent.KEYCODE_BUTTON_B,\n KeyEvent.KEYCODE_BUTTON_C,\n KeyEvent.KEYCODE_BUTTON_X,\n KeyEvent.KEYCODE_BUTTON_Y,\n KeyEvent.KEYCODE_BUTTON_Z,\n KeyEvent.KEYCODE_BUTTON_L1,\n KeyEvent.KEYCODE_BUTTON_R1,\n KeyEvent.KEYCODE_BUTTON_L2,\n KeyEvent.KEYCODE_BUTTON_R2,\n KeyEvent.KEYCODE_BUTTON_THUMBL,\n KeyEvent.KEYCODE_BUTTON_THUMBR,\n KeyEvent.KEYCODE_BUTTON_START,\n KeyEvent.KEYCODE_BUTTON_SELECT,\n KeyEvent.KEYCODE_BUTTON_MODE,\n KeyEvent.KEYCODE_BUTTON_1,\n KeyEvent.KEYCODE_BUTTON_2,\n KeyEvent.KEYCODE_BUTTON_3,\n KeyEvent.KEYCODE_BUTTON_4,\n KeyEvent.KEYCODE_BUTTON_5,\n KeyEvent.KEYCODE_BUTTON_6,\n KeyEvent.KEYCODE_BUTTON_7,\n KeyEvent.KEYCODE_BUTTON_8,\n KeyEvent.KEYCODE_BUTTON_9,\n KeyEvent.KEYCODE_BUTTON_10,\n KeyEvent.KEYCODE_BUTTON_11,\n KeyEvent.KEYCODE_BUTTON_12,\n KeyEvent.KEYCODE_BUTTON_13,\n KeyEvent.KEYCODE_BUTTON_14,\n KeyEvent.KEYCODE_BUTTON_15,\n KeyEvent.KEYCODE_BUTTON_16,\n };\n\n // The order must be the same as mobile/ebitenmobileview/input_android.go.\n static int[] axes = {\n MotionEvent.AXIS_X,\n MotionEvent.AXIS_Y,\n MotionEvent.AXIS_Z,\n MotionEvent.AXIS_RX,\n MotionEvent.AXIS_RY,\n MotionEvent.AXIS_RZ,\n MotionEvent.AXIS_HAT_X,\n MotionEvent.AXIS_HAT_Y,\n MotionEvent.AXIS_LTRIGGER,\n MotionEvent.AXIS_RTRIGGER,\n MotionEvent.AXIS_THROTTLE,\n MotionEvent.AXIS_RUDDER,\n MotionEvent.AXIS_WHEEL,\n MotionEvent.AXIS_GAS,\n MotionEvent.AXIS_BRAKE,\n MotionEvent.AXIS_GENERIC_1,\n MotionEvent.AXIS_GENERIC_2,\n MotionEvent.AXIS_GENERIC_3,\n MotionEvent.AXIS_GENERIC_4,\n MotionEvent.AXIS_GENERIC_5,\n MotionEvent.AXIS_GENERIC_6,\n MotionEvent.AXIS_GENERIC_7,\n MotionEvent.AXIS_GENERIC_8,\n MotionEvent.AXIS_GENERIC_9,\n MotionEvent.AXIS_GENERIC_10,\n MotionEvent.AXIS_GENERIC_11,\n MotionEvent.AXIS_GENERIC_12,\n MotionEvent.AXIS_GENERIC_13,\n MotionEvent.AXIS_GENERIC_14,\n MotionEvent.AXIS_GENERIC_15,\n MotionEvent.AXIS_GENERIC_16,\n };\n\n @Override\n public boolean onGenericMotionEvent(MotionEvent event) {\n if ((event.getSource() & InputDevice.SOURCE_JOYSTICK) != InputDevice.SOURCE_JOYSTICK) {\n return super.onGenericMotionEvent(event);\n }\n if (event.getAction() != MotionEvent.ACTION_MOVE) {\n return super.onGenericMotionEvent(event);\n }\n InputDevice inputDevice = this.inputManager.getInputDevice(event.getDeviceId());\n for (int axis : axes) {\n InputDevice.MotionRange motionRange = inputDevice.getMotionRange(axis, event.getSource());\n float value = 0.0f;\n if (motionRange != null) {\n value = event.getAxisValue(axis);\n if (Math.abs(value) <= motionRange.getFlat()) {\n value = 0.0f;\n }\n }\n Ebitenmobileview.onGamepadAxesChanged(event.getDeviceId(), axis, value);\n }\n return true;\n }\n\n @Override\n public void onInputDeviceAdded(int deviceId) {\n InputDevice inputDevice = this.inputManager.getInputDevice(deviceId);\n int sources = inputDevice.getSources();\n if ((sources & InputDevice.SOURCE_GAMEPAD) != InputDevice.SOURCE_GAMEPAD &&\n (sources & InputDevice.SOURCE_JOYSTICK) != InputDevice.SOURCE_JOYSTICK) {\n return;\n }\n\n boolean[] keyExistences = inputDevice.hasKeys(gamepadButtons);\n int buttonNum = gamepadButtons.length - 1;\n for (int i = gamepadButtons.length - 1; i >= 0; i--) {\n if (keyExistences[i]) {\n break;\n }\n buttonNum--;\n }\n\n int axisNum = axes.length - 1;\n for (int i = axes.length - 1; i >= 0; i--) {\n if (inputDevice.getMotionRange(axes[i], InputDevice.SOURCE_JOYSTICK) != null) {\n break;\n }\n axisNum--;\n }\n\n String descriptor = inputDevice.getDescriptor();\n int vendorId = inputDevice.getVendorId();\n int productId = inputDevice.getProductId();\n\n // These values are required to calculate SDL's GUID.\n int buttonMask = getButtonMask(inputDevice);\n int axisMask = getAxisMask(inputDevice);\n\n Ebitenmobileview.onGamepadAdded(deviceId, inputDevice.getName(), buttonNum, axisNum, descriptor, vendorId, productId, buttonMask, axisMask);\n }\n\n // The implementation is copied from SDL:\n // https://hg.libsdl.org/SDL/file/bc90ce38f1e2/android-project/app/src/main/java/org/libsdl/app/SDLControllerManager.java#l308\n private int getButtonMask(InputDevice joystickDevice) {\n int button_mask = 0;\n int[] keys = new int[] {\n KeyEvent.KEYCODE_BUTTON_A,\n KeyEvent.KEYCODE_BUTTON_B,\n KeyEvent.KEYCODE_BUTTON_X,\n KeyEvent.KEYCODE_BUTTON_Y,\n KeyEvent.KEYCODE_BACK,\n KeyEvent.KEYCODE_BUTTON_MODE,\n KeyEvent.KEYCODE_BUTTON_START,\n KeyEvent.KEYCODE_BUTTON_THUMBL,\n KeyEvent.KEYCODE_BUTTON_THUMBR,\n KeyEvent.KEYCODE_BUTTON_L1,\n KeyEvent.KEYCODE_BUTTON_R1,\n KeyEvent.KEYCODE_DPAD_UP,\n KeyEvent.KEYCODE_DPAD_DOWN,\n KeyEvent.KEYCODE_DPAD_LEFT,\n KeyEvent.KEYCODE_DPAD_RIGHT,\n KeyEvent.KEYCODE_BUTTON_SELECT,\n KeyEvent.KEYCODE_DPAD_CENTER,\n\n // These don't map into any SDL controller buttons directly\n KeyEvent.KEYCODE_BUTTON_L2,\n KeyEvent.KEYCODE_BUTTON_R2,\n KeyEvent.KEYCODE_BUTTON_C,\n KeyEvent.KEYCODE_BUTTON_Z,\n KeyEvent.KEYCODE_BUTTON_1,\n KeyEvent.KEYCODE_BUTTON_2,\n KeyEvent.KEYCODE_BUTTON_3,\n KeyEvent.KEYCODE_BUTTON_4,\n KeyEvent.KEYCODE_BUTTON_5,\n KeyEvent.KEYCODE_BUTTON_6,\n KeyEvent.KEYCODE_BUTTON_7,\n KeyEvent.KEYCODE_BUTTON_8,\n KeyEvent.KEYCODE_BUTTON_9,\n KeyEvent.KEYCODE_BUTTON_10,\n KeyEvent.KEYCODE_BUTTON_11,\n KeyEvent.KEYCODE_BUTTON_12,\n KeyEvent.KEYCODE_BUTTON_13,\n KeyEvent.KEYCODE_BUTTON_14,\n KeyEvent.KEYCODE_BUTTON_15,\n KeyEvent.KEYCODE_BUTTON_16,\n };\n int[] masks = new int[] {\n (1 << 0), // A -> A\n (1 << 1), // B -> B\n (1 << 2), // X -> X\n (1 << 3), // Y -> Y\n (1 << 4), // BACK -> BACK\n (1 << 5), // MODE -> GUIDE\n (1 << 6), // START -> START\n (1 << 7), // THUMBL -> LEFTSTICK\n (1 << 8), // THUMBR -> RIGHTSTICK\n (1 << 9), // L1 -> LEFTSHOULDER\n (1 << 10), // R1 -> RIGHTSHOULDER\n (1 << 11), // DPAD_UP -> DPAD_UP\n (1 << 12), // DPAD_DOWN -> DPAD_DOWN\n (1 << 13), // DPAD_LEFT -> DPAD_LEFT\n (1 << 14), // DPAD_RIGHT -> DPAD_RIGHT\n (1 << 4), // SELECT -> BACK\n (1 << 0), // DPAD_CENTER -> A\n (1 << 15), // L2 -> ??\n (1 << 16), // R2 -> ??\n (1 << 17), // C -> ??\n (1 << 18), // Z -> ??\n (1 << 20), // 1 -> ??\n (1 << 21), // 2 -> ??\n (1 << 22), // 3 -> ??\n (1 << 23), // 4 -> ??\n (1 << 24), // 5 -> ??\n (1 << 25), // 6 -> ??\n (1 << 26), // 7 -> ??\n (1 << 27), // 8 -> ??\n (1 << 28), // 9 -> ??\n (1 << 29), // 10 -> ??\n (1 << 30), // 11 -> ??\n (1 << 31), // 12 -> ??\n // We're out of room...\n 0xFFFFFFFF, // 13 -> ??\n 0xFFFFFFFF, // 14 -> ??\n 0xFFFFFFFF, // 15 -> ??\n 0xFFFFFFFF, // 16 -> ??\n };\n boolean[] has_keys = joystickDevice.hasKeys(keys);\n for (int i = 0; i < keys.length; ++i) {\n if (has_keys[i]) {\n button_mask |= masks[i];\n }\n }\n return button_mask;\n }\n\n private int getAxisMask(InputDevice joystickDevice) {\n final int SDL_CONTROLLER_AXIS_LEFTX = 0;\n final int SDL_CONTROLLER_AXIS_LEFTY = 1;\n final int SDL_CONTROLLER_AXIS_RIGHTX = 2;\n final int SDL_CONTROLLER_AXIS_RIGHTY = 3;\n final int SDL_CONTROLLER_AXIS_TRIGGERLEFT = 4;\n final int SDL_CONTROLLER_AXIS_TRIGGERRIGHT = 5;\n\n int naxes = 0;\n for (InputDevice.MotionRange range : joystickDevice.getMotionRanges()) {\n if ((range.getSource() & InputDevice.SOURCE_CLASS_JOYSTICK) != 0) {\n if (range.getAxis() != MotionEvent.AXIS_HAT_X && range.getAxis() != MotionEvent.AXIS_HAT_Y) {\n naxes++;\n }\n }\n }\n // The variable is_accelerometer seems always false, then skip the checking:\n // https://hg.libsdl.org/SDL/file/bc90ce38f1e2/android-project/app/src/main/java/org/libsdl/app/SDLControllerManager.java#l207\n int axisMask = 0;\n if (naxes >= 2) {\n axisMask |= ((1 << SDL_CONTROLLER_AXIS_LEFTX) | (1 << SDL_CONTROLLER_AXIS_LEFTY));\n }\n if (naxes >= 4) {\n axisMask |= ((1 << SDL_CONTROLLER_AXIS_RIGHTX) | (1 << SDL_CONTROLLER_AXIS_RIGHTY));\n }\n if (naxes >= 6) {\n axisMask |= ((1 << SDL_CONTROLLER_AXIS_TRIGGERLEFT) | (1 << SDL_CONTROLLER_AXIS_TRIGGERRIGHT));\n }\n return axisMask;\n }\n\n @Override\n public void onInputDeviceChanged(int deviceId) {\n // Do nothing.\n }\n\n @Override\n public void onInputDeviceRemoved(int deviceId) {\n // Do not call inputManager.getInputDevice(), which returns null (#1185).\n Ebitenmobileview.onInputDeviceRemoved(deviceId);\n }\n\n // suspendGame suspends the game.\n // It is recommended to call this when the application is being suspended e.g.,\n // Activity's onPause is called.\n public void suspendGame() {\n this.inputManager.unregisterInputDeviceListener(this);\n this.ebitenSurfaceView.onPause();\n Ebitenmobileview.suspend();\n }\n\n // resumeGame resumes the game.\n // It is recommended to call this when the application is being resumed e.g.,\n // Activity's onResume is called.\n public void resumeGame() {\n this.inputManager.registerInputDeviceListener(this, null);\n this.ebitenSurfaceView.onResume();\n Ebitenmobileview.resume();\n }\n\n // onErrorOnGameUpdate is called on the main thread when an error happens when updating a game.\n // You can define your own error handler, e.g., using Crashlytics, by overriding this method.\n protected void onErrorOnGameUpdate(Exception e) {\n Log.e(\"Go\", e.toString());\n }\n\n private EbitenSurfaceView ebitenSurfaceView;\n private InputManager inputManager;\n}\n`\n\nconst surfaceViewJava = `// Code generated by ebitenmobile. DO NOT EDIT.\n\npackage {{.JavaPkg}}.{{.PrefixLower}};\n\nimport android.content.Context;\nimport android.opengl.GLSurfaceView;\nimport android.os.Handler;\nimport android.os.Looper;\nimport android.util.AttributeSet;\nimport android.util.Log;\n\nimport javax.microedition.khronos.egl.EGLConfig;\nimport javax.microedition.khronos.opengles.GL10;\n\nimport {{.JavaPkg}}.ebitenmobileview.Ebitenmobileview;\nimport {{.JavaPkg}}.{{.PrefixLower}}.EbitenView;\n\nclass EbitenSurfaceView extends GLSurfaceView {\n\n private class EbitenRenderer implements GLSurfaceView.Renderer {\n\n private boolean errored_ = false;\n\n @Override\n public void onDrawFrame(GL10 gl) {\n if (errored_) {\n return;\n }\n try {\n Ebitenmobileview.update();\n } catch (final Exception e) {\n new Handler(Looper.getMainLooper()).post(new Runnable() {\n @Override\n public void run() {\n onErrorOnGameUpdate(e);\n }\n });\n errored_ = true;\n }\n }\n\n @Override\n public void onSurfaceCreated(GL10 gl, EGLConfig config) {\n Ebitenmobileview.onContextLost();\n }\n\n @Override\n public void onSurfaceChanged(GL10 gl, int width, int height) {\n }\n }\n\n public EbitenSurfaceView(Context context) {\n super(context);\n initialize();\n }\n\n public EbitenSurfaceView(Context context, AttributeSet attrs) {\n super(context, attrs);\n initialize();\n }\n\n private void initialize() {\n setEGLContextClientVersion(2);\n setEGLConfigChooser(8, 8, 8, 8, 0, 0);\n setRenderer(new EbitenRenderer());\n }\n\n private void onErrorOnGameUpdate(Exception e) {\n ((EbitenView)getParent()).onErrorOnGameUpdate(e);\n }\n}\n`\n")