demos/life/game.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        game.h
   3 // Purpose:     Life! game logic
   4 // Author:      Guillermo Rodriguez Garcia, <guille@iies.es>
   5 // Modified by:
   6 // Created:     Jan/2000
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2000, Guillermo Rodriguez Garcia
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _LIFE_GAME_H_
  13 #define _LIFE_GAME_H_
  14
  15 #ifdef __GNUG__
  16     #pragma interface "game.h"
  17 #endif
  18
  19 // for compilers that support precompilation, includes "wx/wx.h"
  20 #include "wx/wxprec.h"
  21
  22 #ifdef __BORLANDC__
  23     #pragma hdrstop
  24 #endif
  25
  26 // for all others, include the necessary headers
  27 #ifndef WX_PRECOMP
  28     #include "wx/wx.h"
  29 #endif
  30
  31 // --------------------------------------------------------------------------
  32 // constants
  33 // --------------------------------------------------------------------------
  34
  35 // minimum and maximum table size, in each dimension
  36 #define LIFE_MIN 20
  37 #define LIFE_MAX 200
  38
  39 // --------------------------------------------------------------------------
  40 // Cell and CellArray;
  41 // --------------------------------------------------------------------------
  42
  43 typedef long        Cell;
  44 typedef wxArrayLong CellArray;
  45
  46 // --------------------------------------------------------------------------
  47 // LifeShape
  48 // --------------------------------------------------------------------------
  49
  50 class LifeShape
  51 {
  52 public:
  53     LifeShape::LifeShape(wxString name,
  54                          wxString desc,
  55                          int width, int height, char *data,
  56                          int fieldWidth = 20, int fieldHeight = 20,
  57                          bool wrap = TRUE)
  58     {
  59         m_name        = name;
  60         m_desc        = desc;
  61         m_width       = width;
  62         m_height      = height;
  63         m_data        = data;
  64         m_fieldWidth  = fieldWidth;
  65         m_fieldHeight = fieldHeight;
  66         m_wrap        = wrap;
  67     }
  68
  69     wxString  m_name;
  70     wxString  m_desc;
  71     int       m_width;
  72     int       m_height;
  73     char     *m_data;
  74     int       m_fieldWidth;
  75     int       m_fieldHeight;
  76     bool      m_wrap;
  77 };
  78
  79 // --------------------------------------------------------------------------
  80 // Life
  81 // --------------------------------------------------------------------------
  82
  83 class Life
  84 {
  85 public:
  86     // ctor and dtor
  87     Life(int width, int height);
  88     ~Life();
  89     void Create(int width, int height);
  90     void Destroy();
  91
  92     // game field
  93     inline int       GetWidth() const        { return m_width; };
  94     inline int       GetHeight() const       { return m_height; };
  95     inline void      SetBorderWrap(bool on)  { m_wrap = on; };
  96
  97     // cells
  98     inline bool      IsAlive(int i, int j) const;
  99     inline bool      IsAlive(Cell c) const;
 100     inline int       GetX(Cell c) const;
 101     inline int       GetY(Cell c) const;
 102     const CellArray* GetCells() const        { return &m_cells; };
 103     const CellArray* GetChangedCells() const { return &m_changed; };
 104
 105     // game logic
 106     void Clear();
 107     Cell SetCell(int i, int j, bool alive = TRUE);
 108     void SetShape(LifeShape &shape);
 109     bool NextTic();
 110
 111 private:
 112     int         GetNeighbors(int i, int j) const;
 113     inline Cell MakeCell(int i, int j, bool alive) const;
 114
 115     enum CellFlags
 116     {
 117         CELL_DEAD    = 0x0000,  // is dead
 118         CELL_ALIVE   = 0x0001,  // is alive
 119         CELL_MARK    = 0x0002,  // will change / has changed
 120     };
 121
 122     int       m_width;
 123     int       m_height;
 124     CellArray m_cells;
 125     CellArray m_changed;
 126     bool      m_wrap;
 127 };
 128
 129 #endif  // _LIFE_GAME_H_