[ZoneBuilder] Load native XModels when not explicitly specified in the csv

aka 'primary asset'

src/Components/Modules/AssetHandler.cpp

@@ -332,6 +332,8 @@ namespace Components
 
 	Game::XAssetHeader AssetHandler::FindAssetForZone(Game::XAssetType type, std::string filename, ZoneBuilder::Zone* builder, bool isSubAsset)
 	{
+		ZoneBuilder::Zone::AssetRecursionMarker _(builder);
+
 		Game::XAssetHeader header = { nullptr };
 		if (type >= Game::XAssetType::ASSET_TYPE_COUNT) return header;
 

src/Components/Modules/AssetInterfaces/IFxEffectDef.cpp

@@ -7,7 +7,7 @@ namespace Assets
 	void IFxEffectDef::load(Game::XAssetHeader* header, std::string name, Components::ZoneBuilder::Zone* builder)
 	{
 		if (!header->data)                                   this->loadEfx(header, name, builder);    // Check if we have an editor fx
-		if (!header->data) this->loadNative(header, name, builder); // Check if there is a native one
+		if (!header->data /*&& !builder->isPrimaryAsset()*/) this->loadNative(header, name, builder); // Check if there is a native one
 		if (!header->data)                                   this->loadBinary(header, name, builder); // Check if we need to import a new one into the game
 	}
 

src/Components/Modules/AssetInterfaces/IXModel.cpp

@@ -74,6 +74,12 @@ namespace Assets
 
 	void IXModel::load(Game::XAssetHeader* header, std::string name, Components::ZoneBuilder::Zone* builder)
 	{
+		if(!builder->isPrimaryAsset())
+		{
+			header->model = Components::AssetHandler::FindOriginalAsset(this->getType(), name.data()).model;
+			if (header->model) return;
+		}
+
 		Components::FileSystem::File modelFile(Utils::String::VA("xmodel/%s.iw4xModel", name.data()));
 
 		if (modelFile.exists())

src/Components/Modules/ZoneBuilder.cpp

@@ -18,11 +18,11 @@ namespace Components
 		// Side note: if you need a fastfile larger than 100MB, you're doing it wrong-
 		// Well, decompressed maps can get way larger than 100MB, so let's increase that.
 		buffer(0xC800000),
-		zoneName(name), dataMap("zone_source/" + name + ".csv"), branding{ nullptr }
+		zoneName(name), dataMap("zone_source/" + name + ".csv"), branding{ nullptr }, assetDepth(0)
 	{}
 
-	ZoneBuilder::Zone::Zone() : indexStart(0), externalSize(0), buffer(0xC800000),
-		zoneName("null_zone"), dataMap(), branding{ nullptr }
+	ZoneBuilder::Zone::Zone() : indexStart(0), externalSize(0), buffer(0xC800000), zoneName("null_zone"),
+		dataMap(), branding{ nullptr }, assetDepth(0)
 	{}
 
 	ZoneBuilder::Zone::~Zone()

src/Components/Modules/ZoneBuilder.hpp

@@ -14,6 +14,23 @@ namespace Components
 		class Zone
 		{
 		public:
+			class AssetRecursionMarker
+			{
+			public:
+				AssetRecursionMarker(Zone* _builder) : builder(_builder)
+				{
+					this->builder->increaseAssetDepth();
+				}
+
+				~AssetRecursionMarker()
+				{
+					this->builder->decreaseAssetDepth();
+				}
+
+			private:
+				Zone* builder;
+			};
+
 			Zone(std::string zoneName);
 			Zone();
 			~Zone();
@@ -52,6 +69,10 @@ namespace Components
 
 			void incrementExternalSize(unsigned int size);
 
+			void increaseAssetDepth() { ++this->assetDepth; }
+			void decreaseAssetDepth() { --this->assetDepth; }
+			bool isPrimaryAsset() { return this->assetDepth <= 1; }
+
 		private:
 			void loadFastFiles();
 
@@ -89,6 +110,8 @@ namespace Components
 			std::vector<std::pair<Game::XAsset, uint32_t>> aliasList;
 
 			Game::RawFile branding;
+
+			size_t assetDepth;
 		};
 
 		ZoneBuilder();