Added basic support for Dota 2 (bug 5656, r=asherkin).

core/ExtensionSys.cpp

@@ -84,6 +84,8 @@ CRemoteExtension::CRemoteExtension(IExtensionInterface *pAPI, const char *filena
 #define GAMEFIX "2.portal2"
 #elif SOURCE_ENGINE == SE_CSGO
 #define GAMEFIX "2.csgo"
+#elif SOURCE_ENGINE == SE_DOTA
+#define GAMEFIX "2.dota"
 #else
 #define GAMEFIX "2.ep1"
 #endif //(SOURCE_ENGINE == SE_LEFT4DEAD) || (SOURCE_ENGINE == SE_LEFT4DEAD2)

core/HalfLife2.h

@@ -99,7 +99,7 @@ public:
 	int				m_SerialNumber;
 	CEntInfo		*m_pPrev;
 	CEntInfo		*m_pNext;
-#if SOURCE_ENGINE >= SE_PORTAL2
+#if (SOURCE_ENGINE >= SE_PORTAL2) && (SOURCE_ENGINE != SE_DOTA)
 	string_t		m_iName;
 	string_t		m_iClassName;
 #endif

core/logic_bridge.cpp

@@ -189,12 +189,14 @@ static const char *get_source_engine_name()
 	return "portal2";
 #elif SOURCE_ENGINE == SE_CSGO
 	return "csgo";
+#elif SOURCE_ENGINE == SE_DOTA
+	return "dota";
 #endif
 }
 
 static bool symbols_are_hidden()
 {
-#if (SOURCE_ENGINE == SE_CSS) || (SOURCE_ENGINE == SE_ORANGEBOXVALVE) || (SOURCE_ENGINE == SE_LEFT4DEAD) || (SOURCE_ENGINE == SE_LEFT4DEAD2) || (SOURCE_ENGINE == SE_CSGO)
+#if (SOURCE_ENGINE == SE_CSS) || (SOURCE_ENGINE == SE_ORANGEBOXVALVE) || (SOURCE_ENGINE == SE_LEFT4DEAD) || (SOURCE_ENGINE == SE_LEFT4DEAD2) || (SOURCE_ENGINE == SE_CSGO) || (SOURCE_ENGINE == SE_DOTA)
 	return true;
 #else
 	return false;

core/smn_halflife.cpp

@@ -487,6 +487,8 @@ static cell_t GuessSDKVersion(IPluginContext *pContext, const cell_t *params)
 		return 70;
 	case SOURCE_ENGINE_CSGO:
 		return 80;
+	case SOURCE_ENGINE_DOTA:
+		return 90;
 # endif
 	}
 #else