Add preliminary support for Deadlock

Author: psychonic

core/provider/source2/provider_source2.cpp

@@ -213,6 +213,8 @@ int Source2Provider::DetermineSourceEngine()
 	return SOURCE_ENGINE_DOTA;
 #elif SOURCE_ENGINE == SE_CS2
 	return SOURCE_ENGINE_CS2;
+#elif SOURCE_ENGINE == SE_DEADLOCK
+	return SOURCE_ENGINE_DEADLOCK;
 #else
 #error "SOURCE_ENGINE not defined to a known value"
 #endif
@@ -224,6 +226,8 @@ const char* Source2Provider::GetEngineDescription() const
 	return "Dota 2 (2013)";
 #elif SOURCE_ENGINE == SE_CS2
 	return "Counter-Strike 2 (2023)";
+#elif SOURCE_ENGINE == SE_DEADLOCK
+	return "Deadlock (2024)";
 #else
 #error "SOURCE_ENGINE not defined to a known value"
 #endif

loader/gamedll.cpp

@@ -362,7 +362,11 @@ class ISource2Server
 
 	virtual InitReturnVal_t Init()
 	{
-		if (!stricmp("csgo", game_name))
+		if (!stricmp("citadel", game_name))
+		{
+			mm_backend = MMBackend_Deadlock;
+		}
+		else if (!stricmp("csgo", game_name))
 		{
 			mm_backend = MMBackend_CS2;
 		}

loader/loader.cpp

@@ -102,6 +102,7 @@ static const char *backend_names[] =
 	"2.pvkii",
 	"2.mcv",
 	"2.cs2",
+	"2.deadlock",
 };
 
 #if defined _WIN32

loader/loader.h

@@ -107,6 +107,7 @@ enum MetamodBackend
 	MMBackend_PVKII,
 	MMBackend_MCV,
 	MMBackend_CS2,
+	MMBackend_Deadlock,
 	MMBackend_UNKNOWN
 };