#include <sourcemod>
#include <BotTargeting>
#include <cstrike>

public Plugin myinfo =
{
	name = "knockback low pop modifier",
	author = "jenz",
	description = "balances knockback for low population",
	version = "1.0.0",
	url = ""
}

public void OnPluginStart()
{
	HookEvent("round_start", OnRoundStart);
}

public void OnPluginEnd()
{
	ServerCommand("zr_class_set_multiplier zombies knockback 1.0");
}

public void OnMapEnd()
{
	ServerCommand("zr_class_set_multiplier zombies knockback 1.0");
}

public void OnRoundStart(Event hEvent, const char[] sEvent, bool bDontBroadcast)
{
	int active_player_count = 0;

	for (int i = 1; i <= MaxClients; i++)
	{
		if(IsClientConnected(i) && IsClientInGame(i) && IsClientAuthorized(i) && !IsFakeClient(i) && !IsClientAutismBot(i) && !IsClientSourceTV(i) && GetClientTeam(i) > CS_TEAM_SPECTATOR)
		{
			active_player_count++;
		}
	}

	if (active_player_count < 24)
	{
		int zombie_ratio = GetConVarInt(FindConVar("zr_infect_mzombie_ratio"));

		float knockback_increase = float(zombie_ratio) / float(active_player_count);

		if (knockback_increase > 3.0)
			knockback_increase = 3.0;
		else if(knockback_increase < 1.0)
			knockback_increase = 1.0

		if (knockback_increase > 1.0)
		{
			PrintToChatAll("LOW POP: increased zombie knockback to X%.2f to balance gameplay", knockback_increase);
			PrintToChatAll("LOW POP: increased zombie knockback to X%.2f to balance gameplay", knockback_increase);
			PrintToChatAll("LOW POP: increased zombie knockback to X%.2f to balance gameplay", knockback_increase);
		}

		ServerCommand("zr_class_set_multiplier zombies knockback %.2f", knockback_increase);
	}
	else
	{
		ServerCommand("zr_class_set_multiplier zombies knockback 1.0");
	}
}