From f682b3b460ab8b2eb3c30ced71354ebf7ea4190c Mon Sep 17 00:00:00 2001
From: Hong <hong.gu@jupiter-semi.com>
Date: Wed, 4 Mar 2026 17:57:24 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=20camera=20=E7=9A=84subsyste?=
 =?UTF-8?q?m=20=E8=BF=9B=E8=A1=8C=E7=AE=A1=E7=90=86?=
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---
 .../Source/CameraCaptureActor.cpp             |  2 +-
 .../CameraCapture/Source/CameraCaptureActor.h |  8 +++--
 .../Source/CameraCaptureSubSystem.h           | 31 +++++++++++++++++
 .../Source/CameraCaptureSubsystem.cpp         | 33 +++++++++++++++++++
 4 files changed, 71 insertions(+), 3 deletions(-)
 create mode 100644 Plugins/CameraCapture/Source/CameraCaptureSubSystem.h
 create mode 100644 Plugins/CameraCapture/Source/CameraCaptureSubsystem.cpp

diff --git a/Plugins/CameraCapture/Source/CameraCaptureActor.cpp b/Plugins/CameraCapture/Source/CameraCaptureActor.cpp
index 33aa258..77b08ca 100644
--- a/Plugins/CameraCapture/Source/CameraCaptureActor.cpp
+++ b/Plugins/CameraCapture/Source/CameraCaptureActor.cpp
@@ -78,7 +78,7 @@ void ACameraCaptureActor::BuildViewCaptures()
 
         USceneCaptureComponent2D* Capture = NewObject<USceneCaptureComponent2D>(this);
         Capture->SetupAttachment(GetRootComponent());
-        Capture->RegisterComponent();
+        Capture->RegisterComponent();  
 
         Capture->TextureTarget = RT;
         Capture->CaptureSource = ESceneCaptureSource::SCS_FinalColorLDR;
diff --git a/Plugins/CameraCapture/Source/CameraCaptureActor.h b/Plugins/CameraCapture/Source/CameraCaptureActor.h
index 218f921..781a9a4 100644
--- a/Plugins/CameraCapture/Source/CameraCaptureActor.h
+++ b/Plugins/CameraCapture/Source/CameraCaptureActor.h
@@ -22,7 +22,7 @@ public:
     // ===== 多视图参数 =====
 
     UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "MultiView")
-    int32 ViewCount = 9;
+    int32 ViewCount = 1;
 
     UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "MultiView")
     float Baseline = 5.0f; // cm
@@ -45,7 +45,7 @@ public:
 
     UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Atlas")
     int32 AtlasGridX = 3;
-
+        
     UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Atlas")
     int32 AtlasGridY = 3;
 
@@ -57,13 +57,17 @@ protected:
     virtual void PostEditChangeProperty(FPropertyChangedEvent& PropertyChangedEvent) override;
 #endif
 
+
+
 private:
+
     void BuildViewCaptures();
     void UpdateViewTransforms();
     void CaptureViews();
     void GenerateAtlas();
 
 private:
+
     UPROPERTY(Transient)
     TArray<class USceneCaptureComponent2D*> ViewCaptures;
 
diff --git a/Plugins/CameraCapture/Source/CameraCaptureSubSystem.h b/Plugins/CameraCapture/Source/CameraCaptureSubSystem.h
new file mode 100644
index 0000000..053bbc6
--- /dev/null
+++ b/Plugins/CameraCapture/Source/CameraCaptureSubSystem.h
@@ -0,0 +1,31 @@
+// Copyright 2026 (c) Jupiter. All Rights Reserved.
+
+#pragma once
+
+#include "CoreMinimal.h"
+#include "Subsystems/WorldSubsystem.h"
+#include "CameraCaptureSubSystem.generated.h"
+
+
+
+class ACameraCaptureActor;
+
+
+UCLASS()
+class CAMERACAPTURE_API UCameraCaptureSubSystem : public UWorldSubsystem
+{
+	GENERATED_BODY()
+
+public:
+
+	virtual void Initialize(FSubsystemCollectionBase& Collection) override;
+	virtual void Deinitialize() override;
+	virtual void OnWorldBeginPlay(UWorld& InWorld) override;
+
+
+private:
+
+	TArray<TWeakObjectPtr<ACameraCaptureActor>> AllCaptureCameras;
+
+
+};
diff --git a/Plugins/CameraCapture/Source/CameraCaptureSubsystem.cpp b/Plugins/CameraCapture/Source/CameraCaptureSubsystem.cpp
new file mode 100644
index 0000000..1dfc81e
--- /dev/null
+++ b/Plugins/CameraCapture/Source/CameraCaptureSubsystem.cpp
@@ -0,0 +1,33 @@
+// Copyright 2026 (c) Jupiter. All Rights Reserved.
+
+#include "CameraCaptureSubSystem.h"
+#include "CameraCaptureActor.h"
+
+#include "EngineUtils.h"
+
+void UCameraCaptureSubSystem::Initialize(FSubsystemCollectionBase& Collection)
+{
+	Super::Initialize(Collection);
+
+}
+
+void UCameraCaptureSubSystem::Deinitialize()
+{
+	Super::Deinitialize();
+}
+
+void UCameraCaptureSubSystem::OnWorldBeginPlay(UWorld& InWorld)
+{
+	Super::OnWorldBeginPlay(InWorld);
+
+	for (TActorIterator<ACameraCaptureActor> It(GetWorld()); It; ++It)
+	{
+
+		ACameraCaptureActor* CameraCaptureActor = Cast<ACameraCaptureActor>(*It);
+		if (CameraCaptureActor)
+		{
+			AllCaptureCameras.Emplace(CameraCaptureActor);
+		}
+	}
+
+}