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 * gaia - opensource 3D interface to the planet
 * Copyright (C) 2006 gaia project
 * 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
 * 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.

#ifndef __GAIA__HUDOBJECT_H__
#define __GAIA__HUDOBJECT_H__

#include "Math.h"

#define HUDFLAG_INBOUND       0x01
#define HUDFLAG_KILLUNDER     0x02
#define HUDFLAG_FADEUNDER     0x04

 * One object on hud
 * May
00034 class HudObject {
       * Constructor
       * @param pos object position on screen coordinates
       * @param size object size in pixels
       * @param center coordinate of objects's center in pixels
       * @param layer determines order of object rendering (has nothing to do with Master/Slave Layers)
       * @param flags flags to determine object behavior
00045       HudObject(Vector2i pos, Vector2i size, Vector2i center, int layer, int flags): m_Size(size), m_Center(center), m_Pos(pos), m_Layer(layer), m_Flags(flags) {}

       * Destructor
00050       virtual ~HudObject() {}

       * Correct (if needed) object position and check whether it's visible
       * @return 1 if object is visible on the screen, 0 otherwise
      int CheckBounds(int width, int height);

       * Check if object intersects with another object
      int IsShaded(HudObject *target);

       * Check one of object's flags
      int CheckFlag(int f);

       * Return layer of an object
      int GetLayer();

       * Renders object
      virtual void Render() = 0;

      Vector2i m_Size;
      Vector2i m_Center;
      Vector2i m_Pos;
      int   m_Layer;
      int   m_Flags;

      friend int HudObject_Compare(const void *, const void *);

int HudObject_Compare(const void *a, const void *b);


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