From 4dba9c2aeb7714f13541f995536dad23c10ca0c3 Mon Sep 17 00:00:00 2001
From: Aaron Kimbrell <aronwk.aaron@gmail.com>
Date: Thu, 1 Oct 2026 07:10:50 -0500
Subject: [PATCH] feat(entity): the client's custom build assembly component
 (59)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
---
 dGame/Entity.cpp                                |  7 +++++++
 .../dComponents/CustomBuildAssemblyComponent.h  | 17 +++++++++++++++++
 2 files changed, 24 insertions(+)
 create mode 100644 dGame/dComponents/CustomBuildAssemblyComponent.h

diff --git a/dGame/Entity.cpp b/dGame/Entity.cpp
index 0686a7759..37ac00789 100644
--- a/dGame/Entity.cpp
+++ b/dGame/Entity.cpp
@@ -90,6 +90,7 @@
 #include "CollectibleComponent.h"
 #include "ItemComponent.h"
 #include "MinifigComponent.h"
+#include "CustomBuildAssemblyComponent.h"
 #include "PackageComponent.h"
 #include "ChoiceBuildComponent.h"
 #include "ChangelingComponent.h"
@@ -1050,6 +1051,12 @@ void Entity::Initialize() {
 			if (id > -1) AddComponent<PackageComponent>(id);
 			break;
 		}
+		case eReplicaComponentType::CUSTOM_BUILD_ASSEMBLY: {
+			// LWOCustomBuildAssemblyComponent: the client makes it from the registry
+			const auto id = compRegistryTable->GetByIDAndType(m_TemplateID, eReplicaComponentType::CUSTOM_BUILD_ASSEMBLY, -1);
+			if (id > -1) AddComponent<CustomBuildAssemblyComponent>(id);
+			break;
+		}
 		default:
 			break;
 		}
diff --git a/dGame/dComponents/CustomBuildAssemblyComponent.h b/dGame/dComponents/CustomBuildAssemblyComponent.h
new file mode 100644
index 000000000..e68093c56
--- /dev/null
+++ b/dGame/dComponents/CustomBuildAssemblyComponent.h
@@ -0,0 +1,17 @@
+#ifndef CUSTOMBUILDASSEMBLYCOMPONENT_H
+#define CUSTOMBUILDASSEMBLYCOMPONENT_H
+
+#include "Component.h"
+#include "eReplicaComponentType.h"
+
+/**
+ * Custom build assembly, as the client's LWOCustomBuildAssemblyComponent makes it from the registry. Nothing of it is sent or done on the server yet.
+ */
+class CustomBuildAssemblyComponent final : public Component {
+public:
+	static constexpr eReplicaComponentType ComponentType = eReplicaComponentType::CUSTOM_BUILD_ASSEMBLY;
+
+	CustomBuildAssemblyComponent(Entity* parent, const int32_t componentID) : Component(parent, componentID) {}
+};
+
+#endif // CUSTOMBUILDASSEMBLYCOMPONENT_H