Fix #350, Updated CTakeDamageInfo wrapper for CS:GO. (#352)

* Fix #350, Updated CTakeDamageInfo wrapper for CS:GO.

* Changed get_attacker to return m_CSGOAttacker.m_iClientIndex.

* Updated m_CSGOAttacker.m_bIsWorld.

* Deleted external variables.

Author: CookStar

src/core/modules/entities/entities.h

@@ -96,12 +96,45 @@ class TakeDamageInfoBaseWrapper: public CTakeDamageInfo
 
 	unsigned int get_attacker()
 	{
+#if defined(ENGINE_CSGO)
+		return (unsigned int)m_CSGOAttacker.m_iClientIndex;
+#else
 		return ExcIndexFromBaseHandle(m_hAttacker);
+#endif
 	}
 
 	void set_attacker(unsigned int uiAttacker)
 	{
+#if defined(ENGINE_CSGO)
+		m_CSGOAttacker.m_hHndl = ExcBaseHandleFromIndex(uiAttacker);
+		m_CSGOAttacker.m_bNeedInit = false;
+		m_CSGOAttacker.m_bIsWorld = false;
+		m_CSGOAttacker.m_iClientIndex = (int)uiAttacker;
+
+		IPlayerInfo* pPlayerInfo;
+		if (PlayerInfoFromIndex(uiAttacker, pPlayerInfo))
+		{
+			m_CSGOAttacker.m_bIsPlayer = true;
+
+			int iTeamIndex = pPlayerInfo->GetTeamIndex();
+			m_CSGOAttacker.m_iTeamChecked = iTeamIndex;
+			m_CSGOAttacker.m_iTeamNum = iTeamIndex;
+			m_CSGOAttacker.m_iUserId = pPlayerInfo->GetUserID();
+		}
+		else
+		{
+			if (uiAttacker == 0)
+			{
+				m_CSGOAttacker.m_bIsWorld = true;
+			}
+			m_CSGOAttacker.m_bIsPlayer = false;
+			m_CSGOAttacker.m_iTeamChecked = -1;
+			m_CSGOAttacker.m_iTeamNum = -1;
+			m_CSGOAttacker.m_iUserId = -1;
+		}
+#else
 		m_hAttacker = ExcBaseHandleFromIndex(uiAttacker);
+#endif
 	}
 
 	unsigned int get_weapon()