QL/QLPlayerController.cpp at develop · piandpower/QL · GitHub

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//----------------------------------------
// Quarter Life
//
// MIT license
//
//  (\-/)
// (='.'=)
// (")-(")o
//----------------------------------------

#include "QL.h"
#include "QLPlayerController.h"

//------------------------------------------------------------
//------------------------------------------------------------
AQLPlayerController::AQLPlayerController()
{
    bGamePaused = false;
    PauseMenuWidget = nullptr;
    PauseMenu = nullptr;
}

//------------------------------------------------------------
//------------------------------------------------------------
void AQLPlayerController::SetupInputComponent()
{
    Super::SetupInputComponent();

    FInputActionBinding& PauseToggle = InputComponent->BindAction("Pause", EInputEvent::IE_Pressed, this, &AQLPlayerController::Pause);
    PauseToggle.bExecuteWhenPaused = true;
}

//------------------------------------------------------------
// Design requirement:
// To resume the game, either click umg's resume button,
// or press pause key again. umg handles the first case,
// c++ handles the second case.
//
// note that removing umg from viewport does not mean
// release it from memory.
//------------------------------------------------------------
void AQLPlayerController::Pause()
{
    // pause the game
    if (!bGamePaused)
    {
        // only create once in the life cycle of player controller
        if (!PauseMenu)
        {
            // create the pause menu
            PauseMenu = CreateWidget<UQLPauseMenuWidget>(GetWorld(), PauseMenuWidget);
            PauseMenu->SetPlayerController(this);
        }

        PauseGame();
    }
     // resume the game
    else
    {
        ResumeGame();
    }
}

//------------------------------------------------------------
//------------------------------------------------------------
bool AQLPlayerController::GetGamePaused()
{
    return bGamePaused;
}

//------------------------------------------------------------
//------------------------------------------------------------
void AQLPlayerController::PauseGame()
{
    // add the pause menu
    if (PauseMenu)
    {
        bGamePaused = true;
        bShowMouseCursor = true;
        FInputModeGameAndUI InputMode;
        InputMode.SetLockMouseToViewport(true);
        SetInputMode(InputMode);
        this->SetPause(true);

        PauseMenu->AddToViewport();
    }
}

//------------------------------------------------------------
//------------------------------------------------------------
void AQLPlayerController::ResumeGame()
{
    // remove the pause menu
    if (PauseMenu)
    {
        bGamePaused = false;
        bShowMouseCursor = false;
        FInputModeGameOnly InputMode;
        SetInputMode(InputMode);
        this->SetPause(false);

        PauseMenu->RemoveFromViewport();
    }
}