This commit is contained in:
Hajime Hoshi 2023-02-21 02:06:38 +09:00
parent b08b740914
commit 9aef5746d8
2 changed files with 19 additions and 9 deletions

View File

@ -22,6 +22,7 @@ import (
"runtime/debug"
"sync"
"sync/atomic"
"time"
"unicode"
"golang.org/x/mobile/app"
@ -54,6 +55,7 @@ var (
func init() {
theUI.userInterfaceImpl = userInterfaceImpl{
foreground: 1,
runnableOnUnfocused: 0, // This is 0 for backward compatibility during v2 (#2576).
graphicsDriverInitCh: make(chan struct{}),
errCh: make(chan error),
@ -73,7 +75,8 @@ func (u *userInterfaceImpl) Update() error {
default:
}
if !u.IsFocused() {
if !u.IsFocused() && !u.IsRunnableOnUnfocused() {
time.Sleep(time.Second / 60)
return nil
}
@ -102,6 +105,7 @@ type userInterfaceImpl struct {
outsideHeight float64
foreground int32
runnableOnUnfocused int32
errCh chan error
// Used for gomobile-build
@ -232,9 +236,11 @@ func (u *userInterfaceImpl) SetForeground(foreground bool) error {
if foreground {
return hooks.ResumeAudio()
} else {
}
if !u.IsRunnableOnUnfocused() {
return hooks.SuspendAudio()
}
return nil
}
func (u *userInterfaceImpl) Run(game Game, options *RunOptions) error {
@ -395,11 +401,15 @@ func (u *userInterfaceImpl) IsFocused() bool {
}
func (u *userInterfaceImpl) IsRunnableOnUnfocused() bool {
return false
return atomic.LoadInt32(&u.runnableOnUnfocused) != 0
}
func (u *userInterfaceImpl) SetRunnableOnUnfocused(runnableOnUnfocused bool) {
// Do nothing
var v int32
if runnableOnUnfocused {
v = 1
}
atomic.StoreInt32(&u.runnableOnUnfocused, v)
}
func (u *userInterfaceImpl) SetFPSMode(mode FPSModeType) {

6
run.go
View File

@ -428,13 +428,13 @@ func IsRunnableOnUnfocused() bool {
// SetRunnableOnUnfocused sets the state if the game runs even in background.
//
// If the given value is true, the game runs even in background e.g. when losing focus.
// The initial state is true.
// The initial state is true on desktops, and false on mobiles.
// For mobiles, in addition to SetRunnableOnUnfocused, you might require some permission settings
// not to pause audio when the application goes to background.
//
// Known issue: On browsers, even if the state is on, the game doesn't run in background tabs.
// This is because browsers throttles background tabs not to often update.
//
// SetRunnableOnUnfocused does nothing on mobiles so far.
//
// SetRunnableOnUnfocused is concurrent-safe.
func SetRunnableOnUnfocused(runnableOnUnfocused bool) {
ui.Get().SetRunnableOnUnfocused(runnableOnUnfocused)