Implement mp_checkentities to prevent creating too many monsters

dlls/cbase.cpp

@@ -129,10 +129,16 @@ int GetEntityAPI2( DLL_FUNCTIONS *pFunctionTable, int *interfaceVersion )
 }
 #endif
 
+int UTIL_CoopCheckSpawn( edict_t *pent );
+
 int DispatchSpawn( edict_t *pent )
 {
 	CBaseEntity *pEntity = (CBaseEntity *)GET_PRIVATE( pent );
 
+	int ret = UTIL_CoopCheckSpawn( pent );
+	if( ret )
+		return ret;
+
 	if( pEntity )
 	{
 		// Initialize these or entities who don't link to the world won't have anything in here

dlls/coop.cpp

@@ -814,3 +814,99 @@ bool UTIL_CoopConfirmMenu(CBaseEntity *pTrigger, CBaseEntity *pActivator, int co
 	}
 	return true;
 }
+#ifdef _WIN32
+// Shitty windows does not even have this!!!!!!!
+
+#include <string.h>
+/* @NOPEDANTRY: ignore use of reserved identifier */
+char *strrstr(const char *x, const char *y) {
+char *prev = NULL;
+char *next;
+if (*y == '\0')
+return strchr(x, '\0');
+while ((next = strstr(x, y)) != NULL) {
+prev = next;
+x = next + 1;
+}
+return prev;
+}
+#endif
+
+int UTIL_CheckForEntTools( edict_t *pent )
+{
+	if( pent->v.targetname )
+	{
+		char *s = (char*)STRING( pent->v.targetname );
+		char str[256];
+		strcpy( str, s );
+		s = strrstr( str, "_e" );
+		if( s )
+		{
+			*s = 0;
+			s = s + 2;
+			if( atoi(s) == ENTINDEX( pent ) )
+			{
+				s = strrstr( str, "_");
+				if( s )
+				{
+					int userid = atoi( s + 1 );
+					for( int i = 1; i < gpGlobals->maxClients; i++ )
+						if(  userid == g_engfuncs.pfnGetPlayerUserId( INDEXENT( i ) ) )
+							 return i;
+				}
+			}
+		}
+	}
+	return 0;
+}
+
+int UTIL_CoopCheckSpawn( edict_t *pent )
+{
+	if( mp_checkentities.value )
+	{
+		const char *szClassName = NULL;
+
+		if( !pent->v.classname )
+			return 0;
+
+		szClassName = STRING( pent->v.classname );
+
+		if( !szClassName || !szClassName[0] )
+			return 0;
+
+		if( strstr( szClassName, "monster_") )
+		{
+			CBasePlayer *pPlayer = (CBasePlayer*)UTIL_PlayerByIndex( UTIL_CheckForEntTools( pent ) );
+
+			if( pPlayer )
+			{
+				if( UTIL_CoopIsBadPlayer( pPlayer ) )
+				{
+					pent->v.flags = FL_KILLME;
+					return -1;
+				}
+
+				if( gpGlobals->time - pPlayer->m_fEnttoolsMonsterTime < 5 )
+				{
+					UTIL_CoopKickPlayer( pPlayer );
+					pent->v.flags = FL_KILLME;
+					return -1;
+				}
+
+				if( gpGlobals->time - pPlayer->m_fEnttoolsMonsterTime > 120 )
+					pPlayer->m_iEnttoolsMonsters = 0;
+
+				if( pPlayer->m_iEnttoolsMonsters > 5 )
+				{
+					UTIL_CoopKickPlayer( pPlayer );
+					pent->v.flags = FL_KILLME;
+					return -1;
+				}
+				pPlayer->m_iEnttoolsMonsters++;
+				pPlayer->m_fEnttoolsMonsterTime = gpGlobals->time;
+			}
+
+		}
+	}
+	return 0;
+}

dlls/coop_util.h

@@ -28,6 +28,8 @@ extern cvar_t mp_coop_reconnect_hack;
 extern cvar_t mp_coop_noangry;
 extern cvar_t mp_spectator;
 extern cvar_t mp_fixhornetbug;
+extern cvar_t mp_checkentities;
+
 
 extern cvar_t sentences_txt;
 extern cvar_t materials_txt;

dlls/game.cpp

@@ -64,6 +64,7 @@ cvar_t mp_unduck = { "mp_unduck", "0", FCVAR_SERVER };
 cvar_t mp_semclip = { "mp_semclip", "0", FCVAR_SERVER };
 cvar_t mp_spectator = { "mp_spectator", "0", FCVAR_SERVER };
 cvar_t mp_fixhornetbug = { "mp_fixhornetbug", "0", FCVAR_SERVER };
+cvar_t mp_checkentities = { "mp_checkentities", "0", FCVAR_SERVER };
 
 cvar_t materials_txt = { "materials_txt", "sound/materials.txt", FCVAR_SERVER };
 cvar_t sentences_txt = { "sentences_txt", "sound/sentences.txt", FCVAR_SERVER };
@@ -522,6 +523,8 @@ void GameDLLInit( void )
 	CVAR_REGISTER( &mp_skipdefaults );
 	CVAR_REGISTER( &mp_coop_strongcheckpoints );
 	CVAR_REGISTER( &mp_fixhornetbug );
+	CVAR_REGISTER( &mp_checkentities );
+
 	
 
 	CVAR_REGISTER( &sentences_txt );

dlls/player.h

@@ -338,6 +338,8 @@ public:
 	int m_iMenuState;
 	int m_iLocalConfirm;
 	int m_iConfirmKey;
+	int m_iEnttoolsMonsters;
+	float m_fEnttoolsMonsterTime;
 	virtual void Touch( CBaseEntity *pOther );
 };