AMoviePanel.cpp

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// Copyright (c) 2025 Doppleddiggong. All rights reserved. Unauthorized copying, modification, or distribution of this file, via any medium is strictly prohibited. Proprietary and confidential.
 
 
#include "AMoviePanel.h"
 
#include "FComponentHelper.h"
#include "Components/StaticMeshComponent.h"
#include "MediaPlayer.h"
#include "MediaSource.h"
#include "MediaTexture.h"
#include "GameLogging.h"
#include "Materials/MaterialInstanceDynamic.h"
#include "UObject/ConstructorHelpers.h"
 
#define SCREEN_PATH                     TEXT("/Engine/BasicShapes/Cube.Cube")
#define MEDIA_PLAYER_PATH               TEXT("/Game/CustomContents/Media/MP_InGame.MP_InGame")
#define MEDIA_SOURCE_PATH               TEXT("/Game/Movies/Duolingo.Duolingo")
#define MEDIA_PLAYER_TEXTURE_PATH       TEXT("/Game/CustomContents/Media/MPT_InGame.MPT_InGame")
 
AMoviePanel::AMoviePanel()
{
    PrimaryActorTick.bCanEverTick = false;
 
    Screen = CreateDefaultSubobject<UStaticMeshComponent>(TEXT("Screen"));
    RootComponent = Screen;
 
    Screen->SetStaticMesh(FComponentHelper::LoadAsset<UStaticMesh>(SCREEN_PATH));
    Screen->SetRelativeScale3D(FVector(16.0f, 9.0f, 0.1f));
    
    // 각 인스턴스마다 고유한 MediaPlayer와 MediaTexture 생성
    MediaPlayer = CreateDefaultSubobject<UMediaPlayer>(TEXT("MediaPlayer"));
    MediaTexture = CreateDefaultSubobject<UMediaTexture>(TEXT("MediaTexture"));
    
    // MediaPlayer의 출력을 MediaTexture로 설정
    if (MediaPlayer && MediaTexture)
    {
        MediaPlayer->SetLooping(true);
        MediaPlayer->PlayOnOpen = false;
    }
    
    MediaSource = FComponentHelper::LoadAsset<UMediaSource>(MEDIA_SOURCE_PATH);
}
 
void AMoviePanel::BeginPlay()
{
    Super::BeginPlay();
 
    if (!Screen || !Screen->GetMaterial(0))
        return;
 
    // MediaTexture를 MediaPlayer에 연결
    if (MediaTexture && MediaPlayer)
    {
        MediaTexture->SetMediaPlayer(MediaPlayer);
        MediaTexture->UpdateResource();
    }
 
    MediaMaterial = UMaterialInstanceDynamic::Create(Screen->GetMaterial(0), this);
    if (!MediaMaterial)
        return;
 
    MediaMaterial->SetVectorParameterValue( ColorParam, FLinearColor( 0, 0,  0, 1.0f ) );
    MediaMaterial->SetTextureParameterValue(TextureParam, MediaTexture);
    MediaMaterial->SetScalarParameterValue(TileParam, TileCount);
 
    Screen->SetMaterial(0, MediaMaterial);
 
    MediaPlayer->OnEndReached.Clear();
    MediaPlayer->OnEndReached.AddDynamic(this, &AMoviePanel::HandleMediaEndReached);
 
    PlayMedia();
}
 
void AMoviePanel::PlayMedia()
{
    if (!MediaPlayer || !MediaSource)
    {
        PRINTLOG( TEXT("AMoviePanel::PlayMedia - MediaPlayer or MediaSource is null"));
        return;
    }
 
    MediaMaterial->SetVectorParameterValue(ColorParam, FLinearColor(1.0f, 1.0f, 1.0f, 1.0f));
 
    // OnMediaOpened 이벤트 바인딩
    MediaPlayer->OnMediaOpened.Clear();
    MediaPlayer->OnMediaOpened.AddDynamic(this, &AMoviePanel::HandleMediaOpened);
 
    // 미디어 소스 열기
    if (!MediaPlayer->OpenSource(MediaSource))
    {
        PRINTLOG(TEXT("AMoviePanel::PlayMedia - Failed to open media source"));
    }
}
 
void AMoviePanel::HandleMediaOpened(FString OpenedUrl)
{
    if (MediaPlayer)
    {
        MediaPlayer->Play();
        PRINTLOG(TEXT("AMoviePanel::HandleMediaOpened - Media opened: %s"), *OpenedUrl);
    }
}
 
void AMoviePanel::HandleMediaEndReached()
{
    if (bOneShot)
    {
        MediaMaterial->SetVectorParameterValue(ColorParam, FLinearColor(0.0f, 0.0f, 0.0f, 1.0f));
        MediaPlayer->Pause();
    }
}