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Add FPS limit and pause option when game is unfocused

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This commit is contained in:
Wojtek Figat
2025-11-27 10:55:02 +01:00
parent b07d74d28d
commit 394860656a
6 changed files with 65 additions and 29 deletions
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21
Source/Engine/Engine/Engine.cpp
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@@ -40,15 +40,11 @@
#include "Engine/Scripting/ManagedCLR/MClass.h"
#include "Engine/Scripting/ManagedCLR/MMethod.h"
#include "Engine/Scripting/ManagedCLR/MException.h"
#include "Engine/Core/Config/PlatformSettings.h"
#endif
namespace EngineImpl
{
bool IsReady = false;
#if !USE_EDITOR
bool RunInBackground = false;
#endif
String CommandLine = nullptr;
int32 Fps = 0, FpsAccumulatedFrames = 0;
double FpsAccumulated = 0.0;
@@ -168,9 +164,6 @@ int32 Engine::Main(const Char* cmdLine)
Platform::BeforeRun();
EngineImpl::InitMainWindow();
Application::BeforeRun();
#if !USE_EDITOR && (PLATFORM_WINDOWS || PLATFORM_LINUX || PLATFORM_MAC)
EngineImpl::RunInBackground = PlatformSettings::Get()->RunInBackground;
#endif
LOG_FLOOR();
LOG_FLUSH();
Time::Synchronize();
@@ -353,20 +346,8 @@ void Engine::OnUpdate()
UpdateCount++;
const auto mainWindow = MainWindow;
#if !USE_EDITOR
// Pause game if window lost focus and cannot run in a background
bool isGameRunning = true;
if (mainWindow && !mainWindow->IsFocused())
{
isGameRunning = EngineImpl::RunInBackground;
}
Time::SetGamePaused(!isGameRunning);
#endif
// Determine if application has focus (flag used by the other parts of the engine)
HasFocus = (mainWindow && mainWindow->IsFocused()) || Platform::GetHasFocus();
HasFocus = (MainWindow && MainWindow->IsFocused()) || Platform::GetHasFocus();
// Simulate lags
//Platform::Sleep(100);