#include <amxmodx>
#include <amxmisc>
#include <fakemeta>

#define SETTING_SHOWKYES "SHOWKYES"

new g_iPlayerKeys[33];
new Float:fShowKeyTime = 0.0;
new g_showkeys;
new g_SyncShowKeys;
new g_iMaxPlayers;
new bool:g_bShowKeys[33];

public plugin_init()
{
	register_plugin("Showkeys", "1.1", "vato loco & medusa");

	register_clcmd("say /showkeys", "ClientShowKeys");
	register_clcmd("say_team /showkeys", "ClientShowKeys");
	register_clcmd("say /sk", "ClientShowKeys");
	register_clcmd("say_team /sk", "ClientShowKeys");

	register_forward(FM_StartFrame, "fw_StartFrame");
	g_showkeys = register_cvar("hns_showkeys","1");
	g_SyncShowKeys = CreateHudSyncObj();
	g_iMaxPlayers = get_maxplayers();
}
public client_connect(id)
{
	g_bShowKeys[id] = true;
}
public ClientShowKeys(id)
{
	g_bShowKeys[id] = g_bShowKeys[id] ? false : true;

	client_print_color(id, print_team_red, "^1[^4HNS^1] ShowKeys in spectators has been %s", g_bShowKeys[id] ? "^4enable" : "^3disable");

	return PLUGIN_HANDLED;
}

public change_setting_value (id, const setting[], const value[])
{
	if (!strcmp (setting, SETTING_SHOWKYES))
		g_bShowKeys[id] = bool:str_to_num (value);
}

public fw_StartFrame()
{
	if(!get_pcvar_num(g_showkeys))
		return FMRES_IGNORED;

	static Float:fGameTime, Float:fDelay;
	fGameTime = get_gametime();
	fDelay = 0.06;

	if((fShowKeyTime + fDelay) <= fGameTime)
	{
		show_keyinfo();
		fShowKeyTime = fGameTime;
	}
	static id;
	for(id = 1; id <= g_iMaxPlayers; id++)
	{
		if(is_user_alive(id))
		{
			new Button = pev(id, pev_button)
			if(Button & IN_FORWARD)
				g_iPlayerKeys[id] |= IN_FORWARD;
			if(Button & IN_BACK)
				g_iPlayerKeys[id] |= IN_BACK;
			if(Button & IN_MOVELEFT)
				g_iPlayerKeys[id] |= IN_MOVELEFT;
			if(Button & IN_MOVERIGHT)
				g_iPlayerKeys[id] |= IN_MOVERIGHT;
			if(Button & IN_DUCK)
				g_iPlayerKeys[id] |= IN_DUCK;
			if(Button & IN_JUMP )
				g_iPlayerKeys[id] |= IN_JUMP;
		}
	}
	return FMRES_IGNORED;
}

stock show_keyinfo()
{
	static id;
	for(id = 1; id <= g_iMaxPlayers; id++)
	{
		if(!is_user_alive(id) && g_bShowKeys[id])
		{
			new specmode = pev(id, pev_iuser1);
			if(specmode == 2 || specmode == 4)
			{
				new target = pev(id, pev_iuser2);

				if(target != id)
				{
					if(!is_user_alive(target))
						g_iPlayerKeys[target] = 0;

					static plr_key[64];

					set_hudmessage(0, 64, 39, -1.0, 0.54, 0, 0.0, 0.04, 0.08, 0.16, -1);
					formatex(plr_key, 63, "%s^n%s     %s^n%s^n%s     %s",
					g_iPlayerKeys[target] & IN_FORWARD ? "W" : " ",
					g_iPlayerKeys[target] & IN_MOVELEFT ? "A" : "   ",
					g_iPlayerKeys[target] & IN_MOVERIGHT ? "D" : "   ",
					g_iPlayerKeys[target] & IN_BACK ? "S" : " ",
					g_iPlayerKeys[target] & IN_JUMP ? "JUMP" : "?     ",
					g_iPlayerKeys[target] & IN_DUCK ? "DUCK" : "     ?");
					ShowSyncHudMsg(id, g_SyncShowKeys, "%s", plr_key);
				}
			}
		}
		if(id == g_iMaxPlayers)
		{
			arrayset(g_iPlayerKeys, 0, 32);
		}
	}
	return PLUGIN_CONTINUE;
}