Delay Model Surface and fix Static model flags

src/Components/Modules/IGfxWorld.cpp

@@ -946,7 +946,14 @@ namespace Components
 				map.dpvs.smodelDrawInsts[i].reflectionProbeIndex = world->dpvs.smodelDrawInsts[i].reflectionProbeIndex;
 				map.dpvs.smodelDrawInsts[i].primaryLightIndex = world->dpvs.smodelDrawInsts[i].primaryLightIndex;
 				map.dpvs.smodelDrawInsts[i].lightingHandle = world->dpvs.smodelDrawInsts[i].lightingHandle;
-				map.dpvs.smodelDrawInsts[i].flags = world->dpvs.smodelDrawInsts[i].flags;
+				map.dpvs.smodelDrawInsts[i].flags = 0;
+
+				if (world->dpvs.smodelDrawInsts[i].flags & Game::IW3::STATIC_MODEL_FLAG_NO_SHADOW)
+				{
+					// Confirmed to be the same in the rendering functions
+					// Check R_AddAllStaticModelSurfacesSpotShadow in both iw3 and iw4
+					map.dpvs.smodelDrawInsts[i].flags |= Game::IW4::STATIC_MODEL_FLAG_NO_CAST_SHADOW;
+				}
 
 				// This has been moved
 				if (world->dpvs.smodelInsts)
@@ -957,7 +964,7 @@ namespace Components
 					//// Whenever a model needs ground lighting in iw4, it has to specify it
 					if (map.dpvs.smodelDrawInsts[i].groundLighting.packed > 0)
 					{
-						map.dpvs.smodelDrawInsts[i].flags |= 0x20;
+						map.dpvs.smodelDrawInsts[i].flags |= Game::IW4::STATIC_MODEL_FLAG_GROUND_LIGHTING;
 					}
 				}
 			}

src/Components/Modules/IMaterial.cpp

@@ -4,6 +4,7 @@
 
 namespace Components
 {
+	std::unordered_map<char, Game::IW4::Material> IMaterial::exampleMaterialForKey{};
 	std::unordered_map<char, char> IMaterial::sortKeysTable = {
 		{0, 43},	// Distortion
 					// Opaque water (never used)
@@ -369,6 +370,9 @@ namespace Components
 		mat.gameFlags.fields.unk8 = material->info.gameFlags.fields.unk7;
 		mat.gameFlags.fields.unk7 = material->info.gameFlags.fields.unk8;
 
+		// Do not delay model surface ever! In iw4 this doesn't even exist
+		// If this flag is ever set to 1 it usually burns the delayed surface buffer of IW4
+		mat.gameFlags.fields.delayModelSurface = 0; 
 		// Sort key
 #if USE_IW3_SORTKEYS
 		mat.sortKey = material->info.sortKey; // Using iw3 value directly
@@ -458,6 +462,16 @@ namespace Components
 			Logger::Print("Set statebit %i loadbit 0 to GFXS0_CULL_NONE on material %s (it is glass)\n", index, mat.name);
 		}
 
+#if not USE_IW3_SORTKEYS
+		Game::IW4::Material conflict;
+		if (CheckSortKeyConflict(&mat, conflict))
+		{
+			Components::Logger::Print("There is a sort key conflict between %s and %s on the key %i. One of these two (most probably the first one) doesn't have the right sort key! You will need to fix the material JSON manually.\n",
+				mat.name, conflict.name, mat.sortKey);
+			assert(false);
+		}
+#endif
+
 		IMaterial::SaveConvertedMaterial(&mat);
 	}
 
@@ -538,6 +552,15 @@ namespace Components
 				return 34;
 			}
 
+
+			if (techsetName.contains("effect"))
+			{
+				// Really not sure about this! But some posters on some custom maps (mp_nuked_xmas) are on wc_effect tecshet
+				// and cause a sort crash when put on the decal layer (9)
+				Logger::Print("Material %s was given sortkey %i from %i (techset name contains 'effect')\n", name.data(), 34, iw3Key);
+				return 48;
+			}
+
 			/*
 			 - 16 (3 matches)
 				 - mp_crash:mc\ch_bulletinboardpaperdecals_2.json
@@ -669,6 +692,51 @@ namespace Components
 		return iw3Key;
 	}
 
+	bool IMaterial::CheckSortKeyConflict(Game::IW4::Material* material, OUT Game::IW4::Material& conflictingMaterial)
+	{
+		if (exampleMaterialForKey.find(material->sortKey) == exampleMaterialForKey.end())
+		{
+			exampleMaterialForKey[material->sortKey] = *material;
+			return false;
+		}
+
+		auto* otherMaterial = &exampleMaterialForKey.at(material->sortKey);
+
+		assert(material->techniqueSet);
+
+		bool hasLit = material->techniqueSet->techniques[Game::IW4::TECHNIQUE_LIT] != nullptr;
+		bool otherHasLit = otherMaterial->techniqueSet->techniques[Game::IW4::TECHNIQUE_LIT] != nullptr;
+
+		if (otherHasLit != hasLit)
+		{
+			conflictingMaterial = *otherMaterial;
+			return true;
+		}
+
+		if (hasLit)
+		{
+			bool hasEmissive = material->techniqueSet->techniques[Game::IW4::TECHNIQUE_EMISSIVE];
+			bool otherHasEmissive = otherMaterial->techniqueSet->techniques[Game::IW4::TECHNIQUE_EMISSIVE];
+
+			if (hasEmissive)
+			{
+				conflictingMaterial = *otherMaterial;
+				return true;
+			}
+
+			if (otherHasEmissive)
+			{
+				conflictingMaterial = *otherMaterial;
+				return true;
+			}
+		}
+			
+
+		return false;
+	}
+
+
+
 
 	IMaterial::IMaterial()
 	{

src/Components/Modules/IMaterial.hpp

@@ -14,6 +14,7 @@ namespace Components
 
 	private:
 		static std::unordered_map<char, char> sortKeysTable;
+		static std::unordered_map<char, Game::IW4::Material> exampleMaterialForKey;
 
 		static void Dump(Game::IW3::Material* material);
 
@@ -21,6 +22,8 @@ namespace Components
 
 		static char GetConvertedSortKey(Game::IW3::Material* material);
 
+		static bool CheckSortKeyConflict(Game::IW4::Material* material, OUT Game::IW4::Material& conflictingMaterial);
+	
 		static rapidjson::Value StateBitsToJsonArray(Game::IW3::GfxStateBits* stateBits, unsigned char count, rapidjson::MemoryPoolAllocator<rapidjson::CrtAllocator>& allocator);
 	};
 }

src/Game/Functions.cpp

@@ -113,7 +113,7 @@ namespace Game
 			if (entry->entry.asset.type == type)
 			{
 				auto assetName = DB_GetXAssetNameHandlers[entry->entry.asset.type](&entry->entry.asset.header);
-				if (!stricmp(name, assetName))
+				if (!_stricmp(name, assetName))
 					break;
 			}
 

src/Game/Structs.hpp

@@ -136,7 +136,7 @@ namespace Game
 		unsigned char isFoliageRequiresGroundLighting : 1;
 		unsigned char unk4 : 1;
 		unsigned char unk5 : 1;
-		unsigned char unk6 : 1;
+		unsigned char delayModelSurface : 1;
 		unsigned char unk7 : 1;
 		unsigned char unk8 : 1;
 	};