/**
 * Team Flash Blocker
 * Written by GwynBleidD
 * based on Connor's Team Flash Punish v1.1.1
 */

#include <amxmodx>
#include <cstrike>
#include <fakemeta>
#include <hamsandwich>

#define VERSION "1.0"

const MAX_PLAYERS = 32

new g_iMaxPlayers
#define IsPlayer(%1)	( 1 <= %1 <= g_iMaxPlayers )

new g_bitGonnaExplode[64]
#define SetGrenadeExplode(%1)		g_bitGonnaExplode[%1>>5] |=  1<<(%1 & 31)
#define ClearGrenadeExplode(%1)	g_bitGonnaExplode[%1>>5] &= ~( 1 << (%1 & 31) )
#define WillGrenadeExplode(%1)		g_bitGonnaExplode[%1>>5] &   1<<(%1 & 31)

new Float:g_flCurrentGameTime, g_iCurrentFlasher

new g_msgScreenFade;

public plugin_init()
{
	register_plugin("Team Flash Blocker", VERSION, "GwynBleidD")
	register_event("ScreenFade", "Event_ScreenFade", "be", "4=255", "5=255", "6=255", "7>199")
	RegisterHam(Ham_Think, "grenade", "CGrenade_Think")

	g_iMaxPlayers = get_maxplayers()
	g_msgScreenFade = get_user_msgid("ScreenFade")
}

public CGrenade_Think( iEnt )
{
	static Float:flGameTime, Float:flDmgTime, iOwner
	flGameTime = get_gametime()
	pev(iEnt, pev_dmgtime, flDmgTime)
	const XO_GRENADE = 5
	if(	flDmgTime <= flGameTime
	// VEN's way on how to detect grenade type
	// http://forums.alliedmods.net/showthread.php?p=401189#post401189
	&&	get_pdata_int(iEnt, 114, XO_GRENADE) == 0 // has a bit when is HE or SMOKE
	&&	!(get_pdata_int(iEnt, 96, XO_GRENADE) & (1<<8)) // has this bit when is c4
	&&	IsPlayer( (iOwner = pev(iEnt, pev_owner)) )	) // if no owner (3rd 'after dmgtime' frame), grenade gonna be removed from world
	{
		if( ~WillGrenadeExplode(iEnt) ) // grenade gonna explode on next think
		{
			SetGrenadeExplode( iEnt )
		}
		else
		{
			ClearGrenadeExplode( iEnt )
			g_flCurrentGameTime = flGameTime
			g_iCurrentFlasher = iOwner
		}
	}
}

public Event_ScreenFade(id)
{
	new Float:flGameTime = get_gametime()
	if(	id != g_iCurrentFlasher
		&&	g_flCurrentGameTime == flGameTime
		&&	cs_get_user_team(id) == cs_get_user_team(g_iCurrentFlasher)
		&&  is_user_connected(id)) // edit by Filip, bez tego wyskakiwały error logi
	{
		message_begin(MSG_ONE, g_msgScreenFade, {0,0,0}, id)
		write_short(1)
		write_short(1)
		write_short(1)
		write_byte(0)
		write_byte(0)
		write_byte(0)
		write_byte(255)
		message_end()
	}
}