feat: use templated techset compiler for IW4

src/Common/Game/IW4/IW4.h

@@ -223,6 +223,8 @@ namespace IW4
     using AssetTracer = Asset<ASSET_TYPE_TRACER, TracerDef>;
     using AssetVehicle = Asset<ASSET_TYPE_VEHICLE, VehicleDef>;
     using AssetAddonMapEnts = Asset<ASSET_TYPE_ADDON_MAP_ENTS, AddonMapEnts>;
+
+    using SubAssetTechnique = SubAsset<SUB_ASSET_TYPE_TECHNIQUE, MaterialTechnique>;
 } // namespace IW4
 
 DEFINE_ASSET_NAME_ACCESSOR(IW4::AssetPhysPreset, name);

src/ObjCompiling/Game/IW4/ObjCompilerIW4.cpp

@@ -1,10 +1,10 @@
 #include "ObjCompilerIW4.h"
 
 #include "Game/IW4/IW4.h"
+#include "Game/IW4/Techset/TechsetCompilerIW4.h"
 #include "Game/IW4/Techset/VertexDeclCompilerIW4.h"
 #include "Image/ImageIwdPostProcessor.h"
 #include "Material/CompilerMaterialIW4.h"
-#include "Techset/CompilerTechsetIW4.h"
 
 #include <memory>
 
@@ -18,9 +18,9 @@ namespace
 
 #ifdef EXPERIMENTAL_MATERIAL_COMPILATION
         collection.AddAssetCreator(material::CreateCompilerIW4(memory, searchPath, gdt));
-        collection.AddAssetCreator(techset::CreateLoaderIW4(memory, searchPath));
 #endif
         collection.AddAssetCreator(techset::CreateVertexDeclCompilerIW4(memory));
+        collection.AddAssetCreator(techset::CreateTechsetCompilerIW4(memory, searchPath));
     }
 
     void ConfigurePostProcessors(AssetCreatorCollection& collection,

src/ObjCompiling/Techset/TechsetCompiler.cpp.template

@@ -1,4 +1,4 @@
-#options GAME(T6)
+#options GAME(IW4, T6)
 
 #filename "Game/" + GAME + "/Techset/TechsetCompiler" + GAME + ".cpp"
 
@@ -69,6 +69,7 @@ namespace
         return static_cast<MaterialWorldVertexFormat>(0);
     }
 
+#if defined(FEATURE_T6)
     MaterialType GetMaterialType(const std::string& name)
     {
         for (unsigned materialTypeIndex = MTL_TYPE_MODEL; materialTypeIndex < MTL_TYPE_COUNT; materialTypeIndex++)
@@ -87,6 +88,7 @@ namespace
             technique.passArray[passIndex].materialType = materialType;
         }
     }
+#endif
 
     MaterialTechniqueSet* ConvertTechniqueSet(const techset::CommonTechset& commonTechset, MemoryManager& memory)
     {
@@ -114,7 +116,9 @@ namespace
                 return failure ? AssetCreationResult::Failure() : AssetCreationResult::NoAction();
 
             auto* techset = ConvertTechniqueSet(*commonTechset, m_memory);
+#if defined(FEATURE_T6)
             const auto materialType = GetMaterialType(assetName);
+#endif
 
             for (auto techniqueIndex = 0u; techniqueIndex < std::extent_v<decltype(MaterialTechniqueSet::techniques)>; techniqueIndex++)
             {
@@ -128,10 +132,12 @@ namespace
 
                 techset->techniques[techniqueIndex] = technique->Asset();
 
+#if defined(FEATURE_T6)
                 // Another techset may override this for the technique
                 // but the game determines the material type by techset name.
                 // So this may just be a constraint that cannot be changed.
                 ApplyMaterialTypeToTechnique(*techset->techniques[techniqueIndex], materialType);
+#endif
             }
 
             return AssetCreationResult::Success(context.AddAsset(AssetRegistration<AssetTechniqueSet>(assetName, techset)));

src/ObjCompiling/Techset/TechsetCompiler.h.template

@@ -1,4 +1,4 @@
-#options GAME(T6)
+#options GAME(IW4, T6)
 
 #filename "Game/" + GAME + "/Techset/TechsetCompiler" + GAME + ".h"