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/* Tenes Empanadas Graciela
*
* Copyright (C) 2000 Ricardo Quesada
*
* Author: Ricardo Calixto Quesada <rquesada@core-sdi.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; only version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
*/
/**
* @file tarjeta.c
* funciones para manejar a las tarjetas
*/
#include "tarjeta.h"
#include <stdbool.h>
#include <stddef.h>
#include "country.h"
bool card_belongs_to_player(int player, int country)
{
return countrynumber_is_valid(country)
&& g_countries[country].tarjeta.numjug == player;
}
bool can_trade_cards(TARJTIPO a, TARJTIPO b, TARJTIPO c)
{
TARJTIPO const result = static_cast<TARJTIPO>(a | b | c);
return (result & TARJ_COMODIN) // at least one joker
|| (result == TARJ_GALEON)
|| (result == TARJ_CANION)
|| (result == TARJ_GLOBO)
|| (result == (TARJ_GALEON | TARJ_CANION | TARJ_GLOBO));
}
/**
* @fn BOOLEAN tarjeta_puedocanje( int numjug, int t1, int t2, int t3 )
* Dice si es correcto el canje con las tarjetas t1,t2 y t3
*/
bool tarjeta_puedocanje(int numjug, int t1, int t2, int t3)
{
/* chequear que las tarjetas sean del jugador */
if(!(card_belongs_to_player(numjug, t1)&&
card_belongs_to_player(numjug, t2) &&
card_belongs_to_player(numjug, t3))) {
return false;
}
return can_trade_cards(g_countries[t1].tarjeta.tarjeta,
g_countries[t2].tarjeta.tarjeta,
g_countries[t3].tarjeta.tarjeta);
}
void tarjeta_init(void)
{
}
/**
* @fn void tarjeta_usar( PTARJETA pT )
*/
void tarjeta_usar(PTARJETA pT)
{
pT->usada = true;
}
/**
* @fn void tarjeta_desusar( PTARJETA pT )
*/
void tarjeta_desusar(PTARJETA pT)
{
pT->usada = false;
}
/**
* @fn void tarjeta_inittarj( PTARJETA t )
*/
void tarjeta_inittarj(PTARJETA t)
{
t->usada = false;
t->numjug = -1;
}
/**
* @fn void tarjeta_poner( PTARJETA t )
*/
void tarjeta_poner(PTARJETA t)
{
tarjeta_inittarj(t);
}
/**
* @fn void tarjeta_sacar( PTARJETA t, int numjug )
*/
void tarjeta_sacar(PTARJETA t, int numjug)
{
t->numjug = numjug;
}
/**
* @fn int tarjeta_es_libre( int i )
* funcion auxiliar de token_tarjeta
* @param i Pais que contiene a la tarjeta
* @return TRUE si la tarjeta esta libre
*/
bool tarjeta_es_libre(int i)
{
return(g_countries[i].tarjeta.numjug == -1);
}
/**
* @fn BOOLEAN tarjeta_es_usada( PTARJETA pT )
*/
bool tarjeta_es_usada(PTARJETA pT)
{
return (pT->usada == true);
}
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