Map.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.
 */

/*
 * Map.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 MAP_H
#define MAP_H

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

#define MARK_SIZE 30.0f

class Marker
{
public:
     virtual ~Marker() {}

     float coord[2];
     float *pos;
     Sprite *sprite;
     GLuint texture;
    
     Marker(void);
     Marker(float x, float y);
     void update(void);
     virtual void draw(float scale);
     virtual float getDistance(float x, float y);
};

class SpriteMarker: public Marker
{
public:
     Sprite *master;
};




#define MAX_MAP_HEIGHT 11.0

#define MAP_SCREEN_COVERAGE_FULL 1.3
#define MAP_PLACEMENT_FULL_X 0.6
#define MAP_PLACEMENT_FULL_Y 0.55

#define MAP_SCREEN_COVERAGE_THUMB 3.5
#define MAP_PLACEMENT_THUMB_X 0.85
#define MAP_PLACEMENT_THUMB_Y 0.2
#define MAP_THUMB_ZOOM 5.0

typedef enum
  {
    MAP_MODE_FULL,
    MAP_MODE_THUMB,
    MAP_MODE_OFF
  } map_mode_t;



class Map
{
 protected:
  int segments_x;
  int segments_y;
  int size_x;
  int size_y;
  
  float zoom;
  float zoom_step;
  float zoom_full;
  float current_x;
  float current_y;

  map_mode_t mode;

  GLuint **map_texture;
  char ***map_image;

  std::list<Marker*> markers;
  Marker *currentMarker;
  
  
 public:
  Map(int subdivisions);
  void addMarker(Marker *mark);
  void delMarker(Marker *mark);
  void setPosition(float x, float y);
  void setCurrentMarkerFromSprite(Sprite *sprite);
  void setMode(map_mode_t new_mode);
  map_mode_t getMode(void);
  void cycleMode(void);
  
  void setZoom(float new_zoom);
  void incZoom(void);
  void decZoom(void);
  void setZoomStep(float new_zoom_step);
  void update(void);
  void draw(void);

 protected:
  void buildTextures(int subdivisions);
  void setupProjTrans(float x_position, float y_position, float coverage);
  void setupStencilMask(void);
  void restore(void);
  void drawMarkers(void);
  int inverseMapCoords(int x_query, int y_query, float *x_result, float *y_result);
  Marker* findClosestMarker(float x, float y, float max_distance);
};





#endif /*MAP_H*/

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