should actually already have been somewhere, ohwell

block_nosteam_bhop/scripting/BlockNosteamBhop.sp

@@ -0,0 +1,171 @@
+#pragma semicolon 1
+#pragma newdecls required
+
+#include <sourcemod>
+#include <sdktools>
+#include <PlayerManager>
+
+#define PLUGIN_AUTHOR "jenz"
+#define PLUGIN_VERSION "1.1"
+
+public Plugin myinfo =
+{
+        name = "nosteam bhop blocker",
+        author = PLUGIN_AUTHOR,
+        description = "handicaps nosteamers from bhopping (they mostly cheat) ",
+        version = PLUGIN_VERSION,
+        url = ""
+};
+
+bool bhop_restricted_nosteamer[MAXPLAYERS + 1];
+int buttons_old[MAXPLAYERS + 1];
+int flags_old[MAXPLAYERS + 1];
+
+Database g_hDatabase;
+
+ConVar g_hCvar_TriggerVelocity;
+ConVar g_hCvar_SlowedVelocity;
+
+public void OnPluginStart()
+{
+	g_hCvar_TriggerVelocity = CreateConVar("sm_nosteam_bhop_trigger_velocity", "300", "Horizontal velocity at which nosteamers will be slowed during bhop.", FCVAR_NONE, true, 0.0);
+	g_hCvar_SlowedVelocity = CreateConVar("sm_nosteam_bhop_slowed_velocity", "200", "Horizontal velocity which nosteamers will be slowed to.", FCVAR_NONE, true, 0.0);
+
+	AutoExecConfig();
+}
+
+public void OnConfigsExecuted()
+{
+    if (!g_hDatabase)
+        Database.Connect(SQL_OnDatabaseConnect, "bot_surfing");
+}
+
+public void SQL_OnDatabaseConnect(Database db, const char[] error, any data)
+{
+	if(!db || strlen(error))
+	{
+		LogError("Database error: %s", error);
+		return;
+	}
+
+	g_hDatabase = db;
+
+	char sQuery[512];
+	Format(sQuery, sizeof(sQuery), "CREATE TABLE IF NOT EXISTS bhop_whitelist (`steam_auth` VARCHAR(32) NOT NULL, `name` VARCHAR(64) NOT NULL, PRIMARY KEY (`steam_auth`))");
+	g_hDatabase.Query(SQL_OnConnectFinished, sQuery, _, DBPrio_High);
+}
+
+public void SQL_OnConnectFinished(Database db, DBResultSet results, const char[] error, any data)
+{
+	if(!db || strlen(error))
+	{
+		LogError("Database error: %s", error);
+		return;
+	}
+
+	for(int i = 1; i <= MaxClients; i++)
+	{
+		if (IsClientConnected(i) && IsClientAuthorized(i))
+		{
+			char sAuthID[32];
+			GetClientAuthId(i, AuthId_Steam2, sAuthID, sizeof(sAuthID));
+			OnClientAuthorized(i, sAuthID);
+		}
+	}
+}
+
+public void OnClientAuthorized(int client, const char[] sAuthID)
+{
+	if (!IsFakeClient(client) && !IsClientSourceTV(client) && !PM_IsPlayerSteam(client))
+	{
+		bhop_restricted_nosteamer[client] = true;
+		buttons_old[client] = 0;
+		flags_old[client] = 0;
+
+		char sQuery[512];
+		Format(sQuery, sizeof(sQuery), "SELECT * FROM bhop_whitelist WHERE steam_auth = '%s'", sAuthID);
+		g_hDatabase.Query(SQL_OnQueryCompleted, sQuery, GetClientSerial(client));
+	}
+	else
+		bhop_restricted_nosteamer[client] = false;
+}
+
+public void SQL_OnQueryCompleted(Database db, DBResultSet results, const char[] error, any data)
+{
+	if (!db || strlen(error))
+	{
+		LogError("Query error: %s", error);
+		return;
+	}
+
+	int client;
+	if ((client = GetClientFromSerial(data)) == 0)
+		return;
+
+	if (results.RowCount && results.FetchRow())
+	{
+		int iFieldNum;
+		results.FieldNameToNum("name", iFieldNum);
+		char sName[MAX_NAME_LENGTH];
+		results.FetchString(iFieldNum, sName, sizeof(sName));
+
+		bhop_restricted_nosteamer[client] = false;
+		LogMessage("%L was found as \'%s\' on the whitelist and therefore will be allowed to bhop", client, sName);
+	}
+}
+
+public void OnClientDisconnect(int client)
+{
+	bhop_restricted_nosteamer[client] = false;
+	buttons_old[client] = 0;
+	flags_old[client] = 0;
+}
+
+public void OnPlayerRunCmdPost(int client, int buttons, int impulse, const float vel[3], const float angles[3], int weapon, int subtype,
+                                                                int cmdnum, int tickcount, int seed, const int mouse[2])
+{
+	if (!IsValidClient(client) || !IsPlayerAlive(client) || !bhop_restricted_nosteamer[client]) return;
+	if (!(buttons_old[client] & IN_JUMP) && (!(buttons & IN_JUMP)))
+	{
+		flags_old[client] = GetEntityFlags(client);
+		return;
+	}
+	if (buttons_old[client] & IN_JUMP)
+	{
+		if (!(buttons & IN_JUMP))
+			if (GetEntityFlags(client) & FL_ONGROUND)
+				buttons_old[client] = buttons;
+		return;
+	}
+	if (!(flags_old[client] & FL_ONGROUND))
+		return;
+
+	float vVel[3];
+	GetEntPropVector(client, Prop_Data, "m_vecVelocity", vVel);
+	float fVelocity = SquareRoot(Pow(vVel[0], 2.0) + Pow(vVel[1], 2.0));
+
+	if (fVelocity > g_hCvar_TriggerVelocity.FloatValue)
+	{
+		float fNormalized[3];
+		fNormalized[0] = vVel[0] / fVelocity;
+		fNormalized[1] = vVel[1] / fVelocity;
+		fNormalized[2] = 0.0;
+
+		float fTargetVelocity = g_hCvar_SlowedVelocity.FloatValue;
+		float fFinal[3];
+		fFinal[0] = fNormalized[0] * fTargetVelocity;
+		fFinal[1] = fNormalized[1] * fTargetVelocity;
+		fFinal[2] = vVel[2];
+		TeleportEntity(client, NULL_VECTOR, NULL_VECTOR, fFinal);
+	}
+
+	buttons_old[client] = buttons;
+}
+
+stock int IsValidClient(int client, bool nobots = true)
+{
+	if (client <= 0 || client > MaxClients || !IsClientConnected(client) || (nobots && IsFakeClient(client)))
+		return false;
+
+	return IsClientInGame(client);
+}