if (zp_get_user_first_zombie(id)) 不能用在多人感染模式

//这里应该是模式的编号
/* Game modes for zp_round_started() */
enum
{
 MODE_NONE = 0,
 MODE_INFECTION,
 MODE_NEMESIS,
 MODE_ASSASSIN,
 MODE_SURVIVOR,
 MODE_SNIPER,
 MODE_SWARM,
 MODE_MULTI,
 MODE_PLAGUE,
 MODE_LNJ
}

//这个应该是回合开始后用的
/**
 * Called when the ZP round starts, i.e. first zombie
 * is chosen or a game mode begins.
 *
 * @param gamemode Mode which has started.
 * @param id Affected player's index (if applicable).
 */
forward zp_round_started(gamemode, id)

//这个应该是回合开始前
/**
 * Called before the ZP round starts. This is only 
 * called for custom game modes.
 * 
 * Note: The custom game mode id can be used to start
 * the game mode externally
 * 
 * Note: returning ZP_PLUGIN_HANDLED will cause the
 * game mode to be blocked and other game modes will
 * be given a chance.
 * 
 * @param gameid Custom mode id which is called
 */
forward zp_round_started_pre(gameid)

public zp_round_started(gamemode, id)
{
 if(is_user_alive(id) && zp_get_user_zombie(id))
 {
 ......
 ......
 ......
 }
}