/* 
 * OpenTyrian: A modern cross-platform port of Tyrian
 * Copyright (C) 2007-2009  The OpenTyrian Development Team
 *
 * 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; either version 2
 * of the License, or (at your option) any later version.
 *
 * 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */
#include "player.h"

Player player[2];

void calc_purple_balls_needed(Player *this_player)
{
	static const uint purple_balls_required[12] = { 1, 1, 2, 4, 8, 12, 16, 20, 25, 30, 40, 50 };
	
	this_player->purple_balls_needed = purple_balls_required[*this_player->lives];
}

bool power_up_weapon(Player *this_player, uint port)
{
	const bool can_power_up = this_player->items.weapon[port].id != 0 &&  // not None
	                          this_player->items.weapon[port].power < 11; // not at max power
	if (can_power_up)
	{
		++this_player->items.weapon[port].power;
		shotMultiPos[port] = 0; // TODO: should be part of Player structure
		
		calc_purple_balls_needed(this_player);
	}
	else  // cash consolation prize
	{
		this_player->cash += 1000;
	}
	
	return can_power_up;
}

void handle_got_purple_ball(Player *this_player)
{
	if (this_player->purple_balls_needed > 1)
		--this_player->purple_balls_needed;
	else
		power_up_weapon(this_player, this_player->is_dragonwing ? REAR_WEAPON : FRONT_WEAPON);
}
