/* Plugin Template generated by Pawn Studio */

#include <sourcemod>
#include <sdktools_functions>

new Handle:crit_e, Handle:crit_ao, Handle:crit_cc, Handle:crit_m;
new bool:crit_e_bool, bool:crit_ao_bool, Float:crit_cc_float, crit_m_int;

public Plugin:myinfo = 
{
	name = "CritHit System",
	author = "Chefe",
	description = "Allows to modify the Crit-Calculation.",
	version = "1.1",
	url = "www.sourcemod.net"
}

public OnPluginStart()
{
	crit_e = CreateConVar("sm_crit_enabled", "1", "Enable or Disable the Plugin.");
	HookConVarChange(crit_e, OnCritEnabledChange);
	crit_ao = CreateConVar("sm_crit_only_admins", "1", "Enable or Disable only for Admins.");
	HookConVarChange(crit_ao, OnCritAOChange);
	crit_cc = CreateConVar("sm_crit_chance", "0.50", "Set the Critchance in Mode 1.", _, true, 0.0, true, 1.0);
	HookConVarChange(crit_cc, OnCritCCChange);
	crit_m = CreateConVar("sm_crit_mode", "2", "Set the crit Mode ( 1 = chance set in sm_crit_chance | 2 = crit only | 3 = Aim mode)");
	HookConVarChange(crit_m, OnCritMChange);
	CreateConVar("sm_crit_version", "1.1", "Version of the Critplugin", FCVAR_NOTIFY);
	
	crit_e_bool = GetConVarBool(crit_e)
	crit_ao_bool = GetConVarBool(crit_ao)
	crit_cc_float = GetConVarFloat(crit_cc)
	crit_m_int = GetConVarInt(crit_m)
	
	AutoExecConfig(true);
}

public OnCritEnabledChange(Handle:cvar, const String:oldVal[], const String:newVal[])
{
	crit_e_bool = !!StringToInt(newVal);
}

public OnCritAOChange(Handle:cvar, const String:oldVal[], const String:newVal[])
{
	crit_ao_bool = !!StringToInt(newVal);
}

public OnCritCCChange(Handle:cvar, const String:oldVal[], const String:newVal[])
{
	crit_cc_float = StringToFloat(newVal);
}

public OnCritMChange(Handle:cvar, const String:oldVal[], const String:newVal[])
{
	crit_m_int = StringToInt(newVal);
}


public Action:TF2_CalcIsAttackCritical(client, weapon, String:weaponname[], &bool:result)
{
	new AdminId:admin_id = GetUserAdmin(client);
	new client_aim = GetClientAimTarget(client, true);
	
	if (crit_e_bool)
	{
		if (crit_m_int == 1)
		{
			if (!crit_ao_bool && IsClientInGame(client))
			{
				if (crit_cc_float > GetRandomFloat(0.0, 1.0))
				{
					result = true;
					return Plugin_Handled;
				}
			}
			else if (crit_ao_bool && IsClientInGame(client) && admin_id != INVALID_ADMIN_ID)
			{
				if (crit_cc_float > GetRandomFloat(0.0, 1.0))
				{
					result = true;
					return Plugin_Handled;
				}
			}
		}
		else if (crit_m_int == 2)
		{
			if (!crit_ao_bool && IsClientInGame(client))
			{
				result = true;
				return Plugin_Handled;
			}
			else if (crit_ao_bool && IsClientInGame(client) && admin_id != INVALID_ADMIN_ID)
			{
				result = true;
				return Plugin_Handled;
			}
		}
		else if (crit_m_int == 3)
		{
			if (crit_ao_bool && admin_id != INVALID_ADMIN_ID && IsClientInGame(client))
			{
				if (client_aim != -1)
				{
					result = true;
					return Plugin_Handled;
				}
				else if (client_aim == -1)
				{
					result = false;
					return Plugin_Handled;
				}
			}
			else if (!crit_ao_bool && IsClientInGame(client))
			{
				if (client_aim != -1)
				{
					result = true;
					return Plugin_Handled;
				}
				else if (client_aim == -1)
				{
					result = false;
					return Plugin_Handled;
				}
			}
		}
	}
	else
	{
		return Plugin_Continue;
	}
	
	return Plugin_Continue;
}