Merge pull request #92 from Rackover/skip_specops_entities

Skip specops entities

src/Components/Modules/QuickPatch.cpp

@@ -380,6 +380,34 @@ namespace Components
 		}
 	}
 
+	bool QuickPatch::IsDynClassnameStub(char* a1) 
+	{
+		auto version = Zones::GetEntitiesZoneVersion();
+
+		if (version >= VERSION_LATEST_CODO)
+		{
+			for (auto i = 0; i < Game::spawnVars->numSpawnVars; i++)
+			{
+				char** kvPair = Game::spawnVars->spawnVars[i];
+				auto key = kvPair[0];
+				auto val = kvPair[1];
+
+				bool isSpecOps = strncmp(key, "script_specialops", 17) == 0;
+				bool isSpecOpsOnly = val[0] == '1' && val[1] == '\0';
+
+				if (isSpecOps && isSpecOpsOnly)
+				{
+					// This will prevent spawning of any entity that contains "script_specialops: '1'" 
+					// It removes extra hitboxes / meshes on 461+ CODO multiplayer maps
+					return true;
+				}
+			}
+		}
+
+		// Passthrough to the game's own IsDynClassname
+		return Utils::Hook::Call<bool(char*)>(0x444810)(a1);
+	}
+  
 	QuickPatch::QuickPatch()
 	{
 		QuickPatch::FrameTime = 0;
@@ -397,6 +425,9 @@ namespace Components
 			ntdll.InvokePascal<void>("NtRaiseHardError", 0xC000007B, 0, nullptr, nullptr, 6, &data);
 		});
 
+		// Filtering any mapents that is intended for Spec:Ops gamemode (CODO) and prevent them from spawning
+		Utils::Hook(0x5FBD6E, QuickPatch::IsDynClassnameStub, HOOK_CALL).install()->quick();
+
 		// bounce dvar
 		sv_enableBounces = Game::Dvar_RegisterBool("sv_enableBounces", false, Game::DVAR_FLAG_REPLICATED, "Enables bouncing on the server");
 		Utils::Hook(0x4B1B2D, QuickPatch::BounceStub, HOOK_JUMP).install()->quick();

src/Components/Modules/QuickPatch.hpp

@@ -47,5 +47,6 @@ namespace Components
 		static void PlayerCollisionStub();
 		static Game::dvar_t* g_playerEjection;
 		static void PlayerEjectionStub();
+		static bool IsDynClassnameStub(char* a1);
 	};
 }

src/Components/Modules/Zones.cpp

@@ -4,6 +4,7 @@
 namespace Components
 {
 	int Zones::ZoneVersion;
+	int Zones::EntitiesVersion;
 
 	int Zones::FxEffectIndex;
 	char* Zones::FxEffectStrings[64];
@@ -2561,6 +2562,8 @@ namespace Components
 	
 	int Zones::LoadMapEnts(bool atStreamStart, Game::MapEnts* buffer, int size)
 	{
+		EntitiesVersion = Zones::Version();
+
 		if (Zones::Version() >= 446)
 		{
 			size /= 44;

src/Components/Modules/Zones.hpp

@@ -24,9 +24,12 @@ namespace Components
 
 		static int Version() { return Zones::ZoneVersion; };
 
+		static int GetEntitiesZoneVersion() { return Zones::EntitiesVersion; };
+
 	private:
 	
 		static int ZoneVersion;
+		static int EntitiesVersion;
 		
 		static int FxEffectIndex;
 		static char* FxEffectStrings[64];