#include <sourcemod>
#include <sdkhooks>
#pragma newdecls required
ConVar g_NextHitTime;
bool block[MAXPLAYERS + 1];

public Plugin myinfo =
{
    name = "HNS - After Knife Block",
    author = "SUPER TIMOR",
    description = "Makes TT immune to get hurt after knife hit",
    version = "1.0",
    url = "http://cs-placzabaw.pl"
};
public void OnPluginStart()
{
    HookEvent("player_spawn", PlayerSpawn);
    g_NextHitTime = CreateConVar("next_hit_time", "3.0", "Float value, that describes time needed to make CT able to hit TT again");

    AutoExecConfig(true, "hns-akb", "sourcemod");
}
public void OnClientPutInServer(int client)
{
    SDKHook(client, SDKHook_OnTakeDamage, OnTakeDamage);
    block[client] = false;
}
public void OnClientDisconnect(int client)
{
    SDKUnhook(client, SDKHook_OnTakeDamage, OnTakeDamage);
    block[client] = false;
}
public Action OnTakeDamage(int victim, int &attacker, int &inflictor, float &damage, int &damagetype)
{
	if(!IsValidClient(victim) || !IsValidClient(attacker))
		return Plugin_Continue;

	if(GetClientTeam(victim) == 3)
		return Plugin_Continue;

	if(block[victim])
		return Plugin_Handled;
	else
	{
		char weapon[32];
		GetClientWeapon(attacker, weapon, sizeof(weapon));

		if((StrContains(weapon, "knife") >= 0 || StrContains(weapon, "bayonet") >= 0) && !block[victim] && IsPlayerAlive(victim))
		{
			if(damage > 55.0)
			{
				damage = 55.0;
				return Plugin_Changed;
			}
			KnifeBlock(victim);
		}

	}
	return Plugin_Continue;
}
public void KnifeBlock(int client)
{
    CreateTimer(g_NextHitTime.FloatValue, NoKnifeBlock, GetClientUserId(client))

    block[client] = true;
    SetEntityRenderMode(client, RENDER_TRANSCOLOR);
    SetEntityRenderColor(client, 255, 0, 0, 160);
}
public Action NoKnifeBlock(Handle timer, any userid)
{
    int client = GetClientOfUserId(userid);
    if (!client)
        return Plugin_Stop;

    block[client] = false;
    SetEntityRenderMode(client, RENDER_TRANSCOLOR);
    SetEntityRenderColor(client, 255, 255, 255, 255);
    return Plugin_Continue;
}
public Action PlayerSpawn(Handle event, char[] name, bool dontBroadcast)
{
    int client = GetClientOfUserId(GetEventInt(event, "userid"));
    block[client] = false;
}
public bool IsValidClient(int client)
{
	if (client <= 0 || client > MaxClients)
		return false;

	if (!IsClientInGame(client))
		return false;

	if (!IsPlayerAlive(client))
		return false;

	return true;
}