Death Run: Free Run [CS:GO]

#include <sourcemod>
#include <sdktools>
#include <sdkhooks>
#include <cstrike>

#pragma semicolon 1
#pragma newdecls required

public Plugin myinfo = {
    name        = "Death Run: Free Run",
    author      = "Milutinke (ByM)",
    description = "Adds Free Run to deathmatch",
    version     = "0.0.1",
    url         = ""
};

bool g_bFreerun = false;

public void OnPluginStart() {
    RegConsoleCmd("sm_freerun", Command_Freerun);
    HookEntityOutput("func_button", "OnPressed", OnButtonPressed);
}

public Action Command_Freerun(int client, int args) {
    if(IsValidClient(client)) {
        if(GetClientTeam(client) == CS_TEAM_T) {
            if(!g_bFreerun) {
                g_bFreerun = true;
                PrintToChat(client, "Free run activated!");
            } else PrintToChat(client, "It's free run already!");
        } else PrintToChat(client, "You do not have permission for this command, only a T player can execute this!");
    }

    return Plugin_Handled;
}

public Action OnButtonPressed(const char[] output, int caller, int activator, float delay) {
    if(IsValidEntity(caller) && IsValidClient(activator)) {
        if(g_bFreerun) {
            PrintToChat(activator, "It's free run!");

            return Plugin_Stop;
        }
    }

    return Plugin_Continue;
}

stock bool IsValidClient(int client) {
    if(client <= 0 || client > MaxClients || !IsClientInGame(client) || IsFakeClient(client) || IsClientSourceTV(client) || IsClientReplay(client))
        return false;

    return true;
}