mirror of
https://github.com/hajimehoshi/ebiten.git
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114 lines
3.8 KiB
Go
114 lines
3.8 KiB
Go
// Copyright 2021 The Ebiten Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package mobile
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import (
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"time"
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"golang.org/x/mobile/app"
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)
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/*
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#include <jni.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <android/log.h>
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// Basically same as:
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//
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// Vibrator v = (Vibrator)getSystemService(Context.VIBRATOR_SERVICE);
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// if (Build.VERSION.SDK_INT >= 26) {
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// v.vibrate(VibrationEffect.createOneShot(milliseconds, magnitude * 255))
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// } else {
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// v.vibrate(millisecond)
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// }
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//
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// Note that this requires a manifest setting:
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//
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// <uses-permission android:name="android.permission.VIBRATE"/>
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//
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static void vibrateOneShot(uintptr_t java_vm, uintptr_t jni_env, uintptr_t ctx, int64_t milliseconds, double magnitude) {
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JavaVM* vm = (JavaVM*)java_vm;
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JNIEnv* env = (JNIEnv*)jni_env;
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jobject context = (jobject)ctx;
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static int apiLevel = 0;
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if (!apiLevel) {
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const jclass android_os_Build_VERSION = (*env)->FindClass(env, "android/os/Build$VERSION");
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apiLevel = (*env)->GetStaticIntField(
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env, android_os_Build_VERSION,
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(*env)->GetStaticFieldID(env, android_os_Build_VERSION, "SDK_INT", "I"));
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(*env)->DeleteLocalRef(env, android_os_Build_VERSION);
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}
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const jclass android_content_Context = (*env)->FindClass(env, "android/content/Context");
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const jclass android_os_Vibrator = (*env)->FindClass(env, "android/os/Vibrator");
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const jobject android_context_Context_VIBRATOR_SERVICE =
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(*env)->GetStaticObjectField(
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env, android_content_Context,
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(*env)->GetStaticFieldID(env, android_content_Context, "VIBRATOR_SERVICE", "Ljava/lang/String;"));
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const jobject vibrator =
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(*env)->CallObjectMethod(
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env, context,
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(*env)->GetMethodID(env, android_content_Context, "getSystemService", "(Ljava/lang/String;)Ljava/lang/Object;"),
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android_context_Context_VIBRATOR_SERVICE);
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if (apiLevel >= 26) {
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const jclass android_os_VibrationEffect = (*env)->FindClass(env, "android/os/VibrationEffect");
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const jobject vibrationEffect =
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(*env)->CallStaticObjectMethod(
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env, android_os_VibrationEffect,
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(*env)->GetStaticMethodID(env, android_os_VibrationEffect, "createOneShot", "(JI)Landroid/os/VibrationEffect;"),
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milliseconds, (int)(magnitude * 255));
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(*env)->CallVoidMethod(
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env, vibrator,
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(*env)->GetMethodID(env, android_os_Vibrator, "vibrate", "(Landroid/os/VibrationEffect;)V"),
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vibrationEffect);
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(*env)->DeleteLocalRef(env, android_os_VibrationEffect);
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(*env)->DeleteLocalRef(env, vibrationEffect);
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} else {
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(*env)->CallVoidMethod(
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env, vibrator,
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(*env)->GetMethodID(env, android_os_Vibrator, "vibrate", "(J)V"),
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milliseconds);
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}
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(*env)->DeleteLocalRef(env, android_content_Context);
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(*env)->DeleteLocalRef(env, android_os_Vibrator);
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(*env)->DeleteLocalRef(env, android_context_Context_VIBRATOR_SERVICE);
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(*env)->DeleteLocalRef(env, vibrator);
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}
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*/
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import "C"
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func (u *UserInterface) Vibrate(duration time.Duration, magnitude float64) {
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_ = app.RunOnJVM(func(vm, env, ctx uintptr) error {
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// TODO: This might be crash when this is called from init(). How can we detect this?
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C.vibrateOneShot(C.uintptr_t(vm), C.uintptr_t(env), C.uintptr_t(ctx), C.int64_t(duration/time.Millisecond), C.double(magnitude))
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return nil
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})
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}
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