/*
 *  $Id: panel.cc,v 1.2 2002/09/18 21:46:22 stefan Exp $
 *  Copyright (c) 2002, Dominik Schnitzer <dominik@schnitzer.at>
 *
 *  JFK - JFK Fucking Killerz, a massive multiplayer 2d shoot'em-up game
 *  http://relax.ath.cx/jfk/
 *
 *  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 Library 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.
 */

#include <string>
#include <sstream>
#include <cmath>
#include "objects_c.h"
#include "output.h"
#include "panel.h"
#include "debug.h"

using namespace std;
using namespace JFK::client;


panel::panel(output* outp)
{
    out = outp;
    
    player = new sprite(out, "bar", "player_@.png");
    number = new sprite(out, "bar", "number_@.png");
    weapons = new sprite(out, "bar", "weapon_@.png");
    arrow = new sprite(out, "bar", "arrow.png");
    bar = new sprite(out, "bar", "bar.png");
    
    last_health = -1;
    last_ammo = -1;
    last_weapon = -1;
    last_weaponcount = -1;
}


panel::~panel()
{
    delete player;
    delete number;
    delete weapons;
    delete arrow;
    delete bar;
}


void
panel::draw(person *pers)
{
    bool        modified = false;

    /* TODO: throw exception on NULL player */
    if (!pers)
        return;

    /* Check if the panel has to be redrawn. */
    if ((pers->health != last_health) || (pers->ammo[0] != last_ammo) ||
        (pers->curweapon != last_weapon))
    {
        last_health = pers->health;
        last_ammo = pers->ammo[0];
        last_weapon = pers->curweapon;
        modified = true;
    }
    
    int weaponcount = 0;
    for (int i = 0; i < MAX_WEAPON; i++)
        if (pers->hasweapon[i])
            weaponcount++;
    if (weaponcount != last_weaponcount)
    {
        last_weaponcount = weaponcount;
        modified = true;
    }
    
    if (!modified)
        return;
    
    LOG(("Updating panel..."));
    
    /* TODO: dont hardcode things */
    bar->draw(0, 600 - 96);
    draw_number(176, 600 - 96 + 18, pers->health);
    /* TODO: fix this, this should be ammo[currentweapon] */
    draw_number(19, 600 - 96 + 18, pers->ammo[0]);
    
    int face = 4 - 4 * pers->health / MAX_HEALTH;
    player->set(face, 0, 0);
    player->draw(355, 600 - 96 + 17);
    
    for (int i = 0; i < 6; i++)
    {
        if (pers->hasweapon[i])
        {
            weapons->set(i, 0, 0);
            weapons->draw(COORD_PANEL_WEAPONS[i][0], COORD_PANEL_WEAPONS[i][1]);
        }
        if ( pers->curweapon == i)
        {
            arrow->draw(COORD_PANEL_WEAPONS[i][0],
                COORD_PANEL_WEAPONS[i][1] + 5);
        }
    }
}


void
panel::draw_number(int x, int y, int nr)
{
    int             xcoord = x;
    unsigned short  current;
    stringstream    num;
    
    num << nr;
    for (unsigned short i = 0; i < num.str().length(); i++)
    {
        /* Get the number to draw by using the ASCII code */
        current = num.str().c_str()[i] - '0';
        number->set(current, 0, 0);
        number->draw(xcoord, y);
        xcoord += out->get_image_width(number->get_current()) + 4;
    }
}