SpaceOrg.h

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/* -*- Mode: C++; indent-tabs-mode: nil; c-basic-offset: 5 -*- */

/*
 * Combination of a first person action and a real time strategy battle game.
 */

/*
 * SpaceOrg.h
 * MetalWarriors
 * $Revision: 1.7 $
 *
 * Created by Daniel Aarno on Sun Oct 12 2003.
 * Copyright (c) 2003 Daniel Aarno and Erik Ytterberg - All rights reserved.
 *
 *     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., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 */

#ifndef SPACEORG_H
#define SPACEORG_H

#include <list>
#include "Sprite.h"

#define SPACEORG_SOLID_BIT 0x40000000u

typedef struct{
  std::list<Sprite*> solid;
  std::list<Sprite*> transparent;
}space_segment_t;

class SpaceOrg
{
protected:
     space_segment_t **space;
     float size_x, size_y;
     float resolution;
     int cull_segments;
     unsigned int squares_x;
     unsigned int squares_y;
     
public:
     SpaceOrg(float x_size, float y_size, float res, int no_segments_cull);
     ~SpaceOrg(void);
     void putSprite(Sprite *sprite, unsigned int index);
     int delSprite(Sprite *sprite, unsigned int index);
     int putTransparent(Sprite *sprite, unsigned int &index);
     void updateSpritePos(Sprite *sprite, unsigned int &index);
     /*Note that the index given determines if the returned sprite list
       will contain transparent or solid sprites */
     std::list<Sprite*> *getSprites(unsigned int &index, int xoffset, int yoffset);
     /*Will currently return only transparent sprites*/
     std::list<Sprite*> *getSprites(float x_pos, float y_pos);
     void getIndexForPos(float x_pos, float y_pos, unsigned int &index);
     void draw(void);
     
     /*dont use this method, very slow*/
     int getIndexForSprite(Sprite *sprite, int *index_x, int *index_y);
     
protected:
     inline unsigned int coord2Index(float x, float y);
     inline int indexGetX(unsigned int index);
     inline int indexGetY(unsigned int index);
     inline bool indexIsSolid(unsigned int index);
     void setCullArea(int *check_start_x, int *check_start_y,
                      int *check_stop_x, int *check_stop_y);
     
};

#endif /*SPACEORG_H*/

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