Split the sample in three source files + three header files, for improved

clarity. Now there is a 'life' module (main app), a 'game' module (game
logic) and a 'dialogs' module (guess what).

Also, speeded up drawing a lot.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@5309 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

demos/life/game.h

@@ -0,0 +1,129 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        game.h
+// Purpose:     Life! game logic
+// Author:      Guillermo Rodriguez Garcia, <guille@iies.es>
+// Modified by:
+// Created:     Jan/2000
+// RCS-ID:      $Id$
+// Copyright:   (c) 2000, Guillermo Rodriguez Garcia
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+#ifndef _LIFE_GAME_H_
+#define _LIFE_GAME_H_
+
+#ifdef __GNUG__
+    #pragma interface "game.h"
+#endif
+
+// for compilers that support precompilation, includes "wx/wx.h"
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+    #pragma hdrstop
+#endif
+
+// for all others, include the necessary headers
+#ifndef WX_PRECOMP
+    #include "wx/wx.h"
+#endif
+
+// --------------------------------------------------------------------------
+// constants
+// --------------------------------------------------------------------------
+
+// minimum and maximum table size, in each dimension
+#define LIFE_MIN 20
+#define LIFE_MAX 200
+
+// --------------------------------------------------------------------------
+// Cell and CellArray;
+// --------------------------------------------------------------------------
+
+typedef long        Cell;
+typedef wxArrayLong CellArray;
+
+// --------------------------------------------------------------------------
+// LifeShape
+// --------------------------------------------------------------------------
+
+class LifeShape
+{
+public:
+    LifeShape::LifeShape(wxString name,
+                         wxString desc,
+                         int width, int height, char *data,
+                         int fieldWidth = 20, int fieldHeight = 20,
+                         bool wrap = TRUE)
+    {
+        m_name        = name;
+        m_desc        = desc;
+        m_width       = width;
+        m_height      = height;
+        m_data        = data;
+        m_fieldWidth  = fieldWidth;
+        m_fieldHeight = fieldHeight;
+        m_wrap        = wrap;
+    }
+
+    wxString  m_name;
+    wxString  m_desc;
+    int       m_width;
+    int       m_height;
+    char     *m_data;
+    int       m_fieldWidth;
+    int       m_fieldHeight;
+    bool      m_wrap;
+};
+
+// --------------------------------------------------------------------------
+// Life
+// --------------------------------------------------------------------------
+
+class Life
+{
+public:
+    // ctor and dtor
+    Life(int width, int height);
+    ~Life();
+    void Create(int width, int height);
+    void Destroy();
+
+    // game field
+    inline int       GetWidth() const        { return m_width; };
+    inline int       GetHeight() const       { return m_height; };
+    inline void      SetBorderWrap(bool on)  { m_wrap = on; };
+
+    // cells
+    inline bool      IsAlive(int i, int j) const;
+    inline bool      IsAlive(Cell c) const;
+    inline int       GetX(Cell c) const;
+    inline int       GetY(Cell c) const;
+    const CellArray* GetCells() const        { return &m_cells; };
+    const CellArray* GetChangedCells() const { return &m_changed; };
+
+    // game logic
+    void Clear();
+    Cell SetCell(int i, int j, bool alive = TRUE);
+    void SetShape(LifeShape &shape);
+    bool NextTic();
+
+private:
+    int         GetNeighbors(int i, int j) const;
+    inline Cell MakeCell(int i, int j, bool alive) const;
+
+    enum CellFlags
+    {
+        CELL_DEAD    = 0x0000,  // is dead
+        CELL_ALIVE   = 0x0001,  // is alive
+        CELL_MARK    = 0x0002,  // will change / has changed
+    };
+
+    int       m_width;
+    int       m_height;
+    CellArray m_cells;
+    CellArray m_changed;
+    bool      m_wrap;
+};
+
+#endif  // _LIFE_GAME_H_