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

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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
This commit is contained in:
Guillermo Rodriguez Garcia 2000-01-08 18:27:19 +00:00
parent c72b150f5d
commit 2480be69b1
15 changed files with 848 additions and 605 deletions
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2
demos/life/Makefile.in
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@ -15,7 +15,7 @@ program_dir = demos/life
PROGRAM=life
OBJECTS=$(PROGRAM).o
OBJECTS=$(PROGRAM).o dialogs.o game.o
include ../../src/makeprog.env

212
demos/life/dialogs.cpp Normal file
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@ -0,0 +1,212 @@
/////////////////////////////////////////////////////////////////////////////
// Name: dialogs.cpp
// Purpose: Life! dialogs
// Author: Guillermo Rodriguez Garcia, <guille@iies.es>
// Modified by:
// Created: Jan/2000
// RCS-ID: $Id$
// Copyright: (c) 2000, Guillermo Rodriguez Garcia
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// ==========================================================================
// declarations
// ==========================================================================
// --------------------------------------------------------------------------
// headers
// --------------------------------------------------------------------------
#ifdef __GNUG__
#pragma implementation "dialogs.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
#include "wx/statline.h"
#include "wx/spinctrl.h"
#include "dialogs.h"
#include "life.h"
#include "game.h"
// --------------------------------------------------------------------------
// constants
// --------------------------------------------------------------------------
// IDs for the controls and the menu commands
enum
{
// listbox in samples dialog
ID_LISTBOX = 2001
};
// sample configurations
#include "samples.inc"
// --------------------------------------------------------------------------
// event tables and other macros for wxWindows
// --------------------------------------------------------------------------
// Event tables
BEGIN_EVENT_TABLE(LifeNewGameDialog, wxDialog)
EVT_BUTTON (wxID_OK, LifeNewGameDialog::OnOK)
END_EVENT_TABLE()
BEGIN_EVENT_TABLE(LifeSamplesDialog, wxDialog)
EVT_LISTBOX (ID_LISTBOX, LifeSamplesDialog::OnListBox)
END_EVENT_TABLE()
// ==========================================================================
// implementation
// ==========================================================================
// --------------------------------------------------------------------------
// LifeNewGameDialog
// --------------------------------------------------------------------------
LifeNewGameDialog::LifeNewGameDialog(wxWindow *parent, int *w, int *h)
: wxDialog(parent, -1,
_("New game"),
wxDefaultPosition,
wxDefaultSize,
wxDEFAULT_DIALOG_STYLE | wxDIALOG_MODAL)
{
m_w = w;
m_h = h;
// spin ctrls
m_spinctrlw = new wxSpinCtrl( this, -1 );
m_spinctrlw->SetValue(*m_w);
m_spinctrlw->SetRange(LIFE_MIN, LIFE_MAX);
m_spinctrlh = new wxSpinCtrl( this, -1 );
m_spinctrlh->SetValue(*m_h);
m_spinctrlh->SetRange(LIFE_MIN, LIFE_MAX);
// component layout
wxBoxSizer *inputsizer1 = new wxBoxSizer( wxHORIZONTAL );
inputsizer1->Add( new wxStaticText(this, -1, _("Width")), 1, wxCENTRE | wxLEFT, 20);
inputsizer1->Add( m_spinctrlw, 2, wxCENTRE | wxLEFT | wxRIGHT, 20 );
wxBoxSizer *inputsizer2 = new wxBoxSizer( wxHORIZONTAL );
inputsizer2->Add( new wxStaticText(this, -1, _("Height")), 1, wxCENTRE | wxLEFT, 20);
inputsizer2->Add( m_spinctrlh, 2, wxCENTRE | wxLEFT | wxRIGHT, 20 );
wxBoxSizer *topsizer = new wxBoxSizer( wxVERTICAL );
topsizer->Add( CreateTextSizer(_("Enter board dimensions")), 0, wxALL, 10 );
topsizer->Add( new wxStaticLine(this, -1), 0, wxGROW | wxLEFT | wxRIGHT | wxBOTTOM, 10);
topsizer->Add( inputsizer1, 1, wxGROW | wxLEFT | wxRIGHT, 5 );
topsizer->Add( inputsizer2, 1, wxGROW | wxLEFT | wxRIGHT, 5 );
topsizer->Add( new wxStaticLine(this, -1), 0, wxGROW | wxLEFT | wxRIGHT | wxTOP, 10);
topsizer->Add( CreateButtonSizer(wxOK | wxCANCEL), 0, wxCENTRE | wxALL, 10);
// activate
SetSizer(topsizer);
SetAutoLayout(TRUE);
topsizer->SetSizeHints(this);
topsizer->Fit(this);
Centre(wxBOTH);
}
void LifeNewGameDialog::OnOK(wxCommandEvent& WXUNUSED(event))
{
*m_w = m_spinctrlw->GetValue();
*m_h = m_spinctrlh->GetValue();
EndModal(wxID_OK);
}
// --------------------------------------------------------------------------
// LifeSamplesDialog
// --------------------------------------------------------------------------
LifeSamplesDialog::LifeSamplesDialog(wxWindow *parent)
: wxDialog(parent, -1,
_("Sample games"),
wxDefaultPosition,
wxDefaultSize,
wxDEFAULT_DIALOG_STYLE | wxDIALOG_MODAL)
{
m_value = 0;
// create and populate the list of available samples
m_list = new wxListBox( this, ID_LISTBOX,
wxDefaultPosition,
wxDefaultSize,
0, NULL,
wxLB_SINGLE | wxLB_NEEDED_SB | wxLB_HSCROLL );
for (unsigned i = 0; i < (sizeof(g_shapes) / sizeof(LifeShape)); i++)
m_list->Append(g_shapes[i].m_name);
// descriptions
wxStaticBox *statbox = new wxStaticBox( this, -1, _("Description"));
m_life = new Life( 16, 16 );
m_life->SetShape(g_shapes[0]);
m_canvas = new LifeCanvas( this, m_life, FALSE );
m_text = new wxTextCtrl( this, -1,
g_shapes[0].m_desc,
wxDefaultPosition,
wxSize(300, 60),
wxTE_MULTILINE | wxTE_READONLY);
// layout components
wxStaticBoxSizer *sizer1 = new wxStaticBoxSizer( statbox, wxVERTICAL );
sizer1->Add( m_canvas, 2, wxGROW | wxCENTRE | wxALL, 5);
sizer1->Add( m_text, 1, wxGROW | wxCENTRE | wxALL, 5 );
wxBoxSizer *sizer2 = new wxBoxSizer( wxHORIZONTAL );
sizer2->Add( m_list, 0, wxGROW | wxCENTRE | wxALL, 5 );
sizer2->Add( sizer1, 1, wxGROW | wxCENTRE | wxALL, 5 );
wxBoxSizer *sizer3 = new wxBoxSizer( wxVERTICAL );
sizer3->Add( CreateTextSizer(_("Select one configuration")), 0, wxALL, 10 );
sizer3->Add( new wxStaticLine(this, -1), 0, wxGROW | wxLEFT | wxRIGHT, 10 );
sizer3->Add( sizer2, 1, wxGROW | wxCENTRE | wxALL, 5 );
sizer3->Add( new wxStaticLine(this, -1), 0, wxGROW | wxLEFT | wxRIGHT, 10 );
sizer3->Add( CreateButtonSizer(wxOK | wxCANCEL), 0, wxCENTRE | wxALL, 10 );
// activate
SetSizer(sizer3);
SetAutoLayout(TRUE);
sizer3->SetSizeHints(this);
sizer3->Fit(this);
Centre(wxBOTH);
}
LifeSamplesDialog::~LifeSamplesDialog()
{
m_canvas->Destroy();
delete m_life;
}
int LifeSamplesDialog::GetValue()
{
return m_value;
}
void LifeSamplesDialog::OnListBox(wxCommandEvent& event)
{
if (event.GetSelection() != -1)
{
m_value = m_list->GetSelection();
m_text->SetValue(g_shapes[ event.GetSelection() ].m_desc);
m_life->SetShape(g_shapes[ event.GetSelection() ]);
m_canvas->DrawEverything(TRUE); // force redraw everything
m_canvas->Refresh(FALSE); // do not erase background
}
}

92
demos/life/dialogs.h Normal file
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@ -0,0 +1,92 @@
/////////////////////////////////////////////////////////////////////////////
// Name: dialogs.h
// Purpose: Life! dialogs
// 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_DIALOGS_H_
#define _LIFE_DIALOGS_H_
#ifdef __GNUG__
#pragma interface "dialogs.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
#include "wx/spinctrl.h"
#include "life.h"
#include "game.h"
// sample configurations
extern LifeShape g_shapes[];
// --------------------------------------------------------------------------
// LifeNewGameDialog
// --------------------------------------------------------------------------
class LifeNewGameDialog : public wxDialog
{
public:
// ctor
LifeNewGameDialog(wxWindow *parent, int *w, int *h);
// event handlers
void OnOK(wxCommandEvent& event);
private:
// any class wishing to process wxWindows events must use this macro
DECLARE_EVENT_TABLE();
int *m_w;
int *m_h;
wxSpinCtrl *m_spinctrlw;
wxSpinCtrl *m_spinctrlh;
};
// --------------------------------------------------------------------------
// LifeSamplesDialog
// --------------------------------------------------------------------------
class LifeSamplesDialog : public wxDialog
{
public:
// ctor and dtor
LifeSamplesDialog(wxWindow *parent);
~LifeSamplesDialog();
// members
int GetValue();
// event handlers
void OnListBox(wxCommandEvent &event);
private:
// any class wishing to process wxWindows events must use this macro
DECLARE_EVENT_TABLE();
int m_value;
wxListBox *m_list;
wxTextCtrl *m_text;
LifeCanvas *m_canvas;
Life *m_life;
};
#endif // _LIFE_DIALOGS_H_

226
demos/life/game.cpp Normal file
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@ -0,0 +1,226 @@
/////////////////////////////////////////////////////////////////////////////
// Name: game.cpp
// 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
/////////////////////////////////////////////////////////////////////////////
// ==========================================================================
// declarations
// ==========================================================================
// --------------------------------------------------------------------------
// headers
// --------------------------------------------------------------------------
#ifdef __GNUG__
#pragma implementation "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
#include "game.h"
// ==========================================================================
// implementation
// ==========================================================================
// --------------------------------------------------------------------------
// Life
// --------------------------------------------------------------------------
/* Format of the cell: (32 bit integer)
*
* 0yyyyyyy yyyyyy0x xxxxxxxxx xxx000ff
*
* y = y coordinate (13 bits)
* x = x coordinate (13 bits)
* f = flags (2 bits)
*
* OK, there is a reason for this, I promise :-). But I won't explain
* it now; it will be more clear when I implement the optimized life
* algorithm for large universes.
*/
Life::Life(int width, int height)
{
m_wrap = TRUE;
Create(width, height);
}
Life::~Life()
{
Destroy();
}
void Life::Create(int width, int height)
{
wxASSERT(width > 0 && height > 0 && m_cells.IsEmpty());
m_width = width;
m_height = height;
// preallocate memory to speed up initialization
m_cells.Alloc(m_width * m_height);
m_changed.Alloc(1000);
// add all cells
for (int j = 0; j < m_height; j++)
for (int i = 0; i < m_width; i++)
m_cells.Add( MakeCell(i, j, FALSE) );
}
void Life::Destroy()
{
m_cells.Clear();
m_changed.Clear();
}
void Life::Clear()
{
// set all cells in the array to dead
for (int j = 0; j < m_height; j++)
for (int i = 0; i < m_width; i++)
m_cells[j * m_width + i] &= ~CELL_ALIVE;
}
Cell Life::MakeCell(int i, int j, bool alive) const
{
return (Cell)((j << 18) | (i << 5) | (alive? CELL_ALIVE : CELL_DEAD));
}
bool Life::IsAlive(int i, int j) const
{
wxASSERT(i >= 0 && j >= 0 && i < m_width && j < m_height);
return (m_cells[j * m_width + i] & CELL_ALIVE);
}
bool Life::IsAlive(Cell c) const { return (c & CELL_ALIVE); };
int Life::GetX(Cell c) const { return (c >> 5) & 0x1fff; };
int Life::GetY(Cell c) const { return (c >> 18); };
Cell Life::SetCell(int i, int j, bool alive)
{
wxASSERT(i >= 0 && j >= 0 && i < m_width && j < m_height);
Cell c = MakeCell(i, j, alive);
m_cells[j * m_width + i] = c;
return c;
}
void Life::SetShape(LifeShape& shape)
{
wxASSERT((m_width >= shape.m_width) && (m_height >= shape.m_height));
int i0 = (m_width - shape.m_width) / 2;
int j0 = (m_height - shape.m_height) / 2;
char *p = shape.m_data;
Clear();
for (int j = j0; j < j0 + shape.m_height; j++)
for (int i = i0; i < i0 + shape.m_width; i++)
SetCell(i, j, *(p++) == '*');
}
bool Life::NextTic()
{
int i, j;
m_changed.Empty();
/* 1st pass. Find and mark deaths and births for this generation.
*
* Rules:
* An organism with <= 1 neighbors will die due to isolation.
* An organism with >= 4 neighbors will die due to starvation.
* New organisms are born in cells with exactly 3 neighbors.
*/
for (j = 0; j < m_height; j++)
for (i = 0; i < m_width; i++)
{
int neighbors = GetNeighbors(i, j);
bool alive = IsAlive(i, j);
/* Set CELL_MARK if this cell must change, clear it
* otherwise. We cannot toggle the CELL_ALIVE bit yet
* because all deaths and births are simultaneous (it
* would affect neighbouring cells).
*/
if ((!alive && neighbors == 3) ||
(alive && (neighbors <= 1 || neighbors >= 4)))
{
m_cells[j * m_width + i] |= CELL_MARK;
m_changed.Add( MakeCell(i, j, !alive) );
}
else
m_cells[j * m_width + i] &= ~CELL_MARK;
}
/* 2nd pass. Stabilize.
*/
for (j = 0; j < m_height; j++)
for (i = 0; i < m_width; i++)
{
/* Toggle CELL_ALIVE for those cells marked in the
* previous pass. Do not clear the CELL_MARK bit yet;
* it is useful to know which cells have changed and
* thus must be updated in the screen.
*/
if (m_cells[j * m_width + i] & CELL_MARK)
m_cells[j * m_width + i] ^= CELL_ALIVE;
}
return (!m_changed.IsEmpty());
}
int Life::GetNeighbors(int x, int y) const
{
wxASSERT(x >= 0 && y >= 0 && x < m_width && y < m_height);
int neighbors = 0;
int i0 = (x)? (x - 1) : 0;
int j0 = (y)? (y - 1) : 0;
int i1 = (x < (m_width - 1))? (x + 1) : (m_width - 1);
int j1 = (y < (m_height - 1))? (y + 1) : (m_height - 1);
if (m_wrap && ( !x || !y || x == (m_width - 1) || y == (m_height - 1)))
{
// this is an outer cell and wraparound is on
for (int j = y - 1; j <= y + 1; j++)
for (int i = x - 1; i <= x + 1; i++)
if (IsAlive( ((i < 0)? (i + m_width ) : (i % m_width)),
((j < 0)? (j + m_height) : (j % m_height)) ))
neighbors++;
}
else
{
// this is an inner cell, or wraparound is off
for (int j = j0; j <= j1; j++)
for (int i = i0; i <= i1; i++)
if (IsAlive(i, j))
neighbors++;
}
// do not count ourselves
if (IsAlive(x, y)) neighbors--;
return neighbors;
}

129
demos/life/game.h Normal file
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@ -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_

636
demos/life/life.cpp
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@ -13,27 +13,15 @@
// declarations
// ==========================================================================
// minimum and maximum table size, in each dimension
#define LIFE_MIN 20
#define LIFE_MAX 200
// some shortcuts
#define ADD_TOOL(a, b, c, d) \
toolBar->AddTool(a, b, wxNullBitmap, FALSE, -1, -1, (wxObject *)0, c, d)
#define GET_FRAME() \
((LifeFrame *) wxGetApp().GetTopWindow())
// --------------------------------------------------------------------------
// headers
// --------------------------------------------------------------------------
#ifdef __GNUG__
#pragma implementation "life.cpp"
#pragma interface "life.cpp"
#pragma implementation "life.h"
#endif
// for compilers that support precompilation, includes "wx/wx.h".
// for compilers that support precompilation, includes "wx/wx.h"
#include "wx/wxprec.h"
#ifdef __BORLANDC__
@ -46,7 +34,10 @@
#endif
#include "wx/statline.h"
#include "wx/spinctrl.h"
#include "life.h"
#include "game.h"
#include "dialogs.h"
// --------------------------------------------------------------------------
// resources
@ -62,233 +53,6 @@
#include "bitmaps/stop.xpm"
#endif
// --------------------------------------------------------------------------
// classes
// --------------------------------------------------------------------------
class Life;
class LifeShape;
class LifeCanvas;
class LifeTimer;
class LifeFrame;
class LifeApp;
class LifeNewGameDialog;
class LifeSamplesDialog;
// --------------------------------------------------------------------------
// non-GUI classes
// --------------------------------------------------------------------------
// Life
class Life
{
public:
// ctors and dtors
Life(int width, int height);
~Life();
void Create(int width, int height);
void Destroy();
// accessors
inline int GetWidth() const { return m_width; };
inline int GetHeight() const { return m_height; };
inline bool IsAlive(int x, int y) const;
inline bool HasChanged(int x, int y) const;
// flags
void SetBorderWrap(bool on);
// game logic
void Clear();
void SetCell(int x, int y, bool alive = TRUE);
void SetShape(LifeShape &shape);
bool NextTic();
private:
enum CellFlags {
CELL_DEAD = 0x0000, // is dead
CELL_ALIVE = 0x0001, // is alive
CELL_MARK = 0x0002, // will change / has changed
};
typedef int Cell;
int GetNeighbors(int x, int y) const;
inline void SetCell(int x, int y, Cell status);
int m_width;
int m_height;
Cell *m_cells;
bool m_wrap;
};
// 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;
};
// --------------------------------------------------------------------------
// GUI classes
// --------------------------------------------------------------------------
// Life canvas
class LifeCanvas : public wxScrolledWindow
{
public:
// ctor and dtor
LifeCanvas(wxWindow* parent, Life* life, bool interactive = TRUE);
~LifeCanvas();
// member functions
void Reset();
void DrawEverything(bool force = FALSE);
void DrawCell(int i, int j);
void DrawCell(int i, int j, wxDC &dc);
inline int CellToCoord(int i) const { return (i * m_cellsize); };
inline int CoordToCell(int x) const { return ((x >= 0)? (x / m_cellsize) : -1); };
// event handlers
void OnPaint(wxPaintEvent& event);
void OnMouse(wxMouseEvent& event);
void OnSize(wxSizeEvent& event);
private:
// any class wishing to process wxWindows events must use this macro
DECLARE_EVENT_TABLE()
enum MouseStatus {
MOUSE_NOACTION,
MOUSE_DRAWING,
MOUSE_ERASING
};
Life *m_life;
wxBitmap *m_bmp;
int m_height;
int m_width;
int m_cellsize;
wxCoord m_xoffset;
wxCoord m_yoffset;
MouseStatus m_status;
bool m_interactive;
};
// Life timer
class LifeTimer : public wxTimer
{
public:
void Notify();
};
// Life main frame
class LifeFrame : public wxFrame
{
public:
// ctor and dtor
LifeFrame();
~LifeFrame();
// member functions
void UpdateInfoText();
// event handlers
void OnMenu(wxCommandEvent& event);
void OnNewGame(wxCommandEvent& event);
void OnSamples(wxCommandEvent& event);
void OnStart();
void OnStop();
void OnTimer();
void OnSlider(wxScrollEvent& event);
private:
// any class wishing to process wxWindows events must use this macro
DECLARE_EVENT_TABLE()
Life *m_life;
LifeTimer *m_timer;
LifeCanvas *m_canvas;
wxStaticText *m_text;
bool m_running;
long m_interval;
long m_tics;
};
// Life new game dialog
class LifeNewGameDialog : public wxDialog
{
public:
// ctor
LifeNewGameDialog(wxWindow *parent, int *w, int *h);
// event handlers
void OnOK(wxCommandEvent& event);
private:
// any class wishing to process wxWindows events must use this macro
DECLARE_EVENT_TABLE();
int *m_w;
int *m_h;
wxSpinCtrl *m_spinctrlw;
wxSpinCtrl *m_spinctrlh;
};
// Life sample configurations dialog
class LifeSamplesDialog : public wxDialog
{
public:
// ctor and dtor
LifeSamplesDialog(wxWindow *parent);
~LifeSamplesDialog();
// members
int GetValue();
// event handlers
void OnListBox(wxCommandEvent &event);
private:
// any class wishing to process wxWindows events must use this macro
DECLARE_EVENT_TABLE();
int m_value;
wxListBox *m_list;
wxTextCtrl *m_text;
LifeCanvas *m_canvas;
Life *m_life;
};
// Life app
class LifeApp : public wxApp
{
public:
virtual bool OnInit();
};
// --------------------------------------------------------------------------
// constants
// --------------------------------------------------------------------------
@ -308,16 +72,9 @@ enum
ID_WRAP,
// speed selection slider
ID_SLIDER,
// listbox in samples dialog
ID_LISTBOX
ID_SLIDER
};
// built-in sample games
#include "samples.inc"
// --------------------------------------------------------------------------
// event tables and other macros for wxWindows
// --------------------------------------------------------------------------
@ -342,14 +99,6 @@ BEGIN_EVENT_TABLE(LifeCanvas, wxScrolledWindow)
EVT_MOUSE_EVENTS ( LifeCanvas::OnMouse)
END_EVENT_TABLE()
BEGIN_EVENT_TABLE(LifeNewGameDialog, wxDialog)
EVT_BUTTON (wxID_OK, LifeNewGameDialog::OnOK)
END_EVENT_TABLE()
BEGIN_EVENT_TABLE(LifeSamplesDialog, wxDialog)
EVT_LISTBOX (ID_LISTBOX, LifeSamplesDialog::OnListBox)
END_EVENT_TABLE()
// Create a new application object
IMPLEMENT_APP(LifeApp)
@ -358,6 +107,13 @@ IMPLEMENT_APP(LifeApp)
// implementation
// ==========================================================================
// some shortcuts
#define ADD_TOOL(a, b, c, d) \
toolBar->AddTool(a, b, wxNullBitmap, FALSE, -1, -1, (wxObject *)0, c, d)
#define GET_FRAME() \
((LifeFrame *) wxGetApp().GetTopWindow())
// --------------------------------------------------------------------------
// LifeApp
// --------------------------------------------------------------------------
@ -406,7 +162,6 @@ LifeFrame::LifeFrame() : wxFrame((wxFrame *)0, -1, _("Life!"), wxPoint(50, 50))
menuGame->Append(ID_WRAP, _("&Wraparound\tCtrl-W"), _("Wrap around borders"), TRUE);
menuGame->Check (ID_WRAP, TRUE);
wxMenuBar *menuBar = new wxMenuBar();
menuBar->Append(menuFile, _("&File"));
menuBar->Append(menuGame, _("&Game"));
@ -432,21 +187,22 @@ LifeFrame::LifeFrame() : wxFrame((wxFrame *)0, -1, _("Life!"), wxPoint(50, 50))
CreateStatusBar(2);
SetStatusText(_("Welcome to Life!"));
// panel
wxPanel *panel = new wxPanel(this, -1);
// game
m_life = new Life(20, 20);
m_canvas = new LifeCanvas(panel, m_life);
m_timer = new LifeTimer();
m_interval = 500;
m_tics = 0;
m_text = new wxStaticText(panel, -1, "");
wxPanel *panel = new wxPanel(this, -1);
m_life = new Life(20, 20);
m_canvas = new LifeCanvas(panel, m_life);
m_timer = new LifeTimer();
m_interval = 500;
m_tics = 0;
m_text = new wxStaticText(panel, -1, "");
UpdateInfoText();
// slider
wxSlider *slider = new wxSlider(panel, ID_SLIDER, 5, 1, 10,
wxDefaultPosition, wxSize(200, -1), wxSL_HORIZONTAL | wxSL_AUTOTICKS);
wxSlider *slider = new wxSlider(panel, ID_SLIDER,
5, 1, 10,
wxDefaultPosition,
wxSize(200, -1),
wxSL_HORIZONTAL | wxSL_AUTOTICKS);
// component layout
wxBoxSizer *sizer = new wxBoxSizer(wxVERTICAL);
@ -718,10 +474,11 @@ void LifeCanvas::DrawEverything(bool force)
dc.BeginDrawing();
// draw cells
for (int j = 0; j < m_life->GetHeight(); j++)
for (int i = 0; i < m_life->GetWidth(); i++)
if (force || m_life->HasChanged(i, j))
DrawCell(i, j, dc);
const CellArray *cells =
force? m_life->GetCells() : m_life->GetChangedCells();
for (unsigned i = 0; i < cells->GetCount(); i++)
DrawCell(cells->Item(i), dc);
// bounding rectangle (always drawn - better than clipping region)
dc.SetPen(*wxBLACK_PEN);
@ -732,7 +489,7 @@ void LifeCanvas::DrawEverything(bool force)
dc.SelectObject(wxNullBitmap);
}
void LifeCanvas::DrawCell(int i, int j)
void LifeCanvas::DrawCell(Cell c)
{
wxMemoryDC dc;
@ -740,20 +497,20 @@ void LifeCanvas::DrawCell(int i, int j)
dc.BeginDrawing();
dc.SetClippingRegion(1, 1, m_width - 2, m_height - 2);
DrawCell(i, j, dc);
DrawCell(c, dc);
dc.EndDrawing();
dc.SelectObject(wxNullBitmap);
}
void LifeCanvas::DrawCell(int i, int j, wxDC &dc)
void LifeCanvas::DrawCell(Cell c, wxDC &dc)
{
if (m_life->IsAlive(i, j))
if (m_life->IsAlive(c))
{
dc.SetPen(*wxBLACK_PEN);
dc.SetBrush(*wxBLACK_BRUSH);
dc.DrawRectangle(CellToCoord(i),
CellToCoord(j),
dc.DrawRectangle(CellToCoord( m_life->GetX(c) ),
CellToCoord( m_life->GetY(c) ),
m_cellsize,
m_cellsize);
}
@ -761,14 +518,14 @@ void LifeCanvas::DrawCell(int i, int j, wxDC &dc)
{
dc.SetPen(*wxLIGHT_GREY_PEN);
dc.SetBrush(*wxTRANSPARENT_BRUSH);
dc.DrawRectangle(CellToCoord(i),
CellToCoord(j),
dc.DrawRectangle(CellToCoord( m_life->GetX(c) ),
CellToCoord( m_life->GetY(c) ),
m_cellsize,
m_cellsize);
dc.SetPen(*wxWHITE_PEN);
dc.SetBrush(*wxWHITE_BRUSH);
dc.DrawRectangle(CellToCoord(i) + 1,
CellToCoord(j) + 1,
dc.DrawRectangle(CellToCoord( m_life->GetX(c) ) + 1,
CellToCoord( m_life->GetY(c) ) + 1,
m_cellsize - 1,
m_cellsize - 1);
}
@ -855,8 +612,7 @@ void LifeCanvas::OnMouse(wxMouseEvent& event)
((m_status == MOUSE_DRAWING) && !alive))
{
wxRect rect(x, y, m_cellsize + 1, m_cellsize + 1);
m_life->SetCell(i, j, !alive);
DrawCell(i, j);
DrawCell( m_life->SetCell(i, j, !alive) );
Refresh(FALSE, &rect);
}
}
@ -872,311 +628,3 @@ void LifeCanvas::OnSize(wxSizeEvent& event)
// allow default processing
event.Skip();
}
// --------------------------------------------------------------------------
// LifeNewGameDialog
// --------------------------------------------------------------------------
LifeNewGameDialog::LifeNewGameDialog(wxWindow *parent, int *w, int *h)
: wxDialog(parent, -1,
_("New game"),
wxDefaultPosition,
wxDefaultSize,
wxDEFAULT_DIALOG_STYLE | wxDIALOG_MODAL)
{
m_w = w;
m_h = h;
// spin ctrls
m_spinctrlw = new wxSpinCtrl( this, -1 );
m_spinctrlw->SetValue(*m_w);
m_spinctrlw->SetRange(LIFE_MIN, LIFE_MAX);
m_spinctrlh = new wxSpinCtrl( this, -1 );
m_spinctrlh->SetValue(*m_h);
m_spinctrlh->SetRange(LIFE_MIN, LIFE_MAX);
// component layout
wxBoxSizer *inputsizer1 = new wxBoxSizer( wxHORIZONTAL );
inputsizer1->Add( new wxStaticText(this, -1, _("Width")), 1, wxCENTRE | wxLEFT, 20);
inputsizer1->Add( m_spinctrlw, 2, wxCENTRE | wxLEFT | wxRIGHT, 20 );
wxBoxSizer *inputsizer2 = new wxBoxSizer( wxHORIZONTAL );
inputsizer2->Add( new wxStaticText(this, -1, _("Height")), 1, wxCENTRE | wxLEFT, 20);
inputsizer2->Add( m_spinctrlh, 2, wxCENTRE | wxLEFT | wxRIGHT, 20 );
wxBoxSizer *topsizer = new wxBoxSizer( wxVERTICAL );
topsizer->Add( CreateTextSizer(_("Enter board dimensions")), 0, wxALL, 10 );
topsizer->Add( new wxStaticLine(this, -1), 0, wxGROW | wxLEFT | wxRIGHT | wxBOTTOM, 10);
topsizer->Add( inputsizer1, 1, wxGROW | wxLEFT | wxRIGHT, 5 );
topsizer->Add( inputsizer2, 1, wxGROW | wxLEFT | wxRIGHT, 5 );
topsizer->Add( new wxStaticLine(this, -1), 0, wxGROW | wxLEFT | wxRIGHT | wxTOP, 10);
topsizer->Add( CreateButtonSizer(wxOK | wxCANCEL), 0, wxCENTRE | wxALL, 10);
// activate
SetSizer(topsizer);
SetAutoLayout(TRUE);
topsizer->SetSizeHints(this);
topsizer->Fit(this);
Centre(wxBOTH);
}
void LifeNewGameDialog::OnOK(wxCommandEvent& WXUNUSED(event))
{
*m_w = m_spinctrlw->GetValue();
*m_h = m_spinctrlh->GetValue();
EndModal(wxID_OK);
}
// --------------------------------------------------------------------------
// LifeSamplesDialog
// --------------------------------------------------------------------------
LifeSamplesDialog::LifeSamplesDialog(wxWindow *parent)
: wxDialog(parent, -1,
_("Sample games"),
wxDefaultPosition,
wxDefaultSize,
wxDEFAULT_DIALOG_STYLE | wxDIALOG_MODAL)
{
m_value = 0;
// create and populate the list of available samples
m_list = new wxListBox( this, ID_LISTBOX,
wxDefaultPosition,
wxDefaultSize,
0, NULL,
wxLB_SINGLE | wxLB_NEEDED_SB | wxLB_HSCROLL );
for (unsigned i = 0; i < (sizeof(g_shapes) / sizeof(LifeShape)); i++)
m_list->Append(g_shapes[i].m_name);
// descriptions
wxStaticBox *statbox = new wxStaticBox( this, -1, _("Description"));
m_life = new Life( 16, 16 );
m_life->SetShape(g_shapes[0]);
m_canvas = new LifeCanvas( this, m_life, FALSE );
m_text = new wxTextCtrl( this, -1,
g_shapes[0].m_desc,
wxDefaultPosition,
wxSize(300, 60),
wxTE_MULTILINE | wxTE_READONLY);
// layout components
wxStaticBoxSizer *sizer1 = new wxStaticBoxSizer( statbox, wxVERTICAL );
sizer1->Add( m_canvas, 2, wxGROW | wxCENTRE | wxALL, 5);
sizer1->Add( m_text, 1, wxGROW | wxCENTRE | wxALL, 5 );
wxBoxSizer *sizer2 = new wxBoxSizer( wxHORIZONTAL );
sizer2->Add( m_list, 0, wxGROW | wxCENTRE | wxALL, 5 );
sizer2->Add( sizer1, 1, wxGROW | wxCENTRE | wxALL, 5 );
wxBoxSizer *sizer3 = new wxBoxSizer( wxVERTICAL );
sizer3->Add( CreateTextSizer(_("Select one configuration")), 0, wxALL, 10 );
sizer3->Add( new wxStaticLine(this, -1), 0, wxGROW | wxLEFT | wxRIGHT, 10 );
sizer3->Add( sizer2, 1, wxGROW | wxCENTRE | wxALL, 5 );
sizer3->Add( new wxStaticLine(this, -1), 0, wxGROW | wxLEFT | wxRIGHT, 10 );
sizer3->Add( CreateButtonSizer(wxOK | wxCANCEL), 0, wxCENTRE | wxALL, 10 );
// activate
SetSizer(sizer3);
SetAutoLayout(TRUE);
sizer3->SetSizeHints(this);
sizer3->Fit(this);
Centre(wxBOTH);
}
LifeSamplesDialog::~LifeSamplesDialog()
{
m_canvas->Destroy();
delete m_life;
}
int LifeSamplesDialog::GetValue()
{
return m_value;
}
void LifeSamplesDialog::OnListBox(wxCommandEvent& event)
{
if (event.GetSelection() != -1)
{
m_value = m_list->GetSelection();
m_text->SetValue(g_shapes[ event.GetSelection() ].m_desc);
m_life->SetShape(g_shapes[ event.GetSelection() ]);
m_canvas->DrawEverything(TRUE); // force redraw everything
m_canvas->Refresh(FALSE); // do not erase background
}
}
// --------------------------------------------------------------------------
// Life
// --------------------------------------------------------------------------
Life::Life(int width, int height)
{
m_wrap = TRUE;
m_cells = NULL;
Create(width, height);
}
Life::~Life()
{
Destroy();
}
void Life::Create(int width, int height)
{
wxASSERT(width > 0 && height > 0);
m_width = width;
m_height = height;
m_cells = new Cell[m_width * m_height];
Clear();
}
void Life::Destroy()
{
delete[] m_cells;
}
void Life::Clear()
{
for (int i = 0; i < m_width * m_height; i++)
m_cells[i] = CELL_DEAD;
}
bool Life::IsAlive(int x, int y) const
{
wxASSERT(x >= 0 && y >= 0 && x < m_width && y < m_height);
return (m_cells[y * m_width + x] & CELL_ALIVE);
}
bool Life::HasChanged(int x, int y) const
{
wxASSERT(x >= 0 && y >= 0 && x < m_width && y < m_height);
return (m_cells[y * m_width + x] & CELL_MARK) != 0;
}
void Life::SetBorderWrap(bool on)
{
m_wrap = on;
}
void Life::SetCell(int x, int y, bool alive)
{
wxASSERT(x >= 0 && y >= 0 && x < m_width && y < m_height);
m_cells[y * m_width + x] = (alive? CELL_ALIVE : CELL_DEAD);
}
void Life::SetShape(LifeShape& shape)
{
wxASSERT((m_width >= shape.m_width) && (m_height >= shape.m_height));
int x0 = (m_width - shape.m_width) / 2;
int y0 = (m_height - shape.m_height) / 2;
char *p = shape.m_data;
Clear();
for (int j = y0; j < y0 + shape.m_height; j++)
for (int i = x0; i < x0 + shape.m_width; i++)
SetCell(i, j, *(p++) == '*');
}
bool Life::NextTic()
{
long changed = 0;
int i, j;
/* 1st pass. Find and mark deaths and births for this generation.
*
* Rules:
* An organism with <= 1 neighbors will die due to isolation.
* An organism with >= 4 neighbors will die due to starvation.
* New organisms are born in cells with exactly 3 neighbors.
*/
for (j = 0; j < m_height; j++)
for (i = 0; i < m_width; i++)
{
int neighbors = GetNeighbors(i, j);
bool alive = IsAlive(i, j);
/* Set CELL_MARK if this cell must change, clear it
* otherwise. We cannot toggle the CELL_ALIVE bit yet
* because all deaths and births are simultaneous (it
* would affect neighbouring cells).
*/
if ((!alive && neighbors == 3) ||
(alive && (neighbors <= 1 || neighbors >= 4)))
m_cells[j * m_width + i] |= CELL_MARK;
else
m_cells[j * m_width + i] &= ~CELL_MARK;
}
/* 2nd pass. Stabilize.
*/
for (j = 0; j < m_height; j++)
for (i = 0; i < m_width; i++)
{
/* Toggle CELL_ALIVE for those cells marked in the
* previous pass. Do not clear the CELL_MARK bit yet;
* it is useful to know which cells have changed and
* thus must be updated in the screen.
*/
if (m_cells[j * m_width + i] & CELL_MARK)
{
m_cells[j * m_width + i] ^= CELL_ALIVE;
changed++;
}
}
return (changed != 0);
}
int Life::GetNeighbors(int x, int y) const
{
wxASSERT(x >= 0 && y >= 0 && x < m_width && y < m_height);
int neighbors = 0;
int i0 = (x)? (x - 1) : 0;
int j0 = (y)? (y - 1) : 0;
int i1 = (x < (m_width - 1))? (x + 1) : (m_width - 1);
int j1 = (y < (m_height - 1))? (y + 1) : (m_height - 1);
if (m_wrap && ( !x || !y || x == (m_width - 1) || y == (m_height - 1)))
{
// this is an outer cell and wraparound is on
for (int j = y - 1; j <= y + 1; j++)
for (int i = x - 1; i <= x + 1; i++)
if (IsAlive( ((i < 0)? (i + m_width ) : (i % m_width)),
((j < 0)? (j + m_height) : (j % m_height)) ))
neighbors++;
}
else
{
// this is an inner cell, or wraparound is off
for (int j = j0; j <= j1; j++)
for (int i = i0; i <= i1; i++)
if (IsAlive(i, j))
neighbors++;
}
// do not count ourselves
if (IsAlive(x, y)) neighbors--;
return neighbors;
}
void Life::SetCell(int x, int y, Cell status)
{
wxASSERT(x >= 0 && y >= 0 && x < m_width && y < m_height);
m_cells[y * m_width + x] = status;
}

136
demos/life/life.h Normal file
View File

@ -0,0 +1,136 @@
/////////////////////////////////////////////////////////////////////////////
// Name: life.h
// Purpose: The game of life, created by J. H. Conway
// 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_APP_H_
#define _LIFE_APP_H_
#ifdef __GNUG__
#pragma interface "life.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
#include "game.h"
// --------------------------------------------------------------------------
// LifeCanvas
// --------------------------------------------------------------------------
class LifeCanvas : public wxScrolledWindow
{
public:
// ctor and dtor
LifeCanvas(wxWindow* parent, Life* life, bool interactive = TRUE);
~LifeCanvas();
// member functions
void Reset();
void DrawEverything(bool force = FALSE);
void DrawCell(Cell c);
void DrawCell(Cell c, wxDC &dc);
inline int CellToCoord(int i) const { return (i * m_cellsize); };
inline int CoordToCell(int x) const { return ((x >= 0)? (x / m_cellsize) : -1); };
// event handlers
void OnPaint(wxPaintEvent& event);
void OnMouse(wxMouseEvent& event);
void OnSize(wxSizeEvent& event);
private:
// any class wishing to process wxWindows events must use this macro
DECLARE_EVENT_TABLE()
enum MouseStatus
{
MOUSE_NOACTION,
MOUSE_DRAWING,
MOUSE_ERASING
};
Life *m_life;
wxBitmap *m_bmp;
int m_height;
int m_width;
int m_cellsize;
wxCoord m_xoffset;
wxCoord m_yoffset;
MouseStatus m_status;
bool m_interactive;
};
// --------------------------------------------------------------------------
// LifeTimer
// --------------------------------------------------------------------------
// Life timer
class LifeTimer : public wxTimer
{
public:
void Notify();
};
// --------------------------------------------------------------------------
// LifeFrame
// --------------------------------------------------------------------------
class LifeFrame : public wxFrame
{
public:
// ctor and dtor
LifeFrame();
~LifeFrame();
// member functions
void UpdateInfoText();
// event handlers
void OnMenu(wxCommandEvent& event);
void OnNewGame(wxCommandEvent& event);
void OnSamples(wxCommandEvent& event);
void OnStart();
void OnStop();
void OnTimer();
void OnSlider(wxScrollEvent& event);
private:
// any class wishing to process wxWindows events must use this macro
DECLARE_EVENT_TABLE()
Life *m_life;
LifeTimer *m_timer;
LifeCanvas *m_canvas;
wxStaticText *m_text;
bool m_running;
long m_interval;
long m_tics;
};
// --------------------------------------------------------------------------
// LifeApp
// --------------------------------------------------------------------------
class LifeApp : public wxApp
{
public:
virtual bool OnInit();
};
#endif // _LIFE_APP_H_

2
demos/life/makefile.b32
View File

@ -10,7 +10,7 @@
WXDIR = $(WXWIN)
TARGET=life
OBJECTS = $(TARGET).obj
OBJECTS = $(TARGET).obj dialogs.obj game.obj
!include $(WXDIR)\src\makeprog.b32

2
demos/life/makefile.bcc
View File

@ -13,7 +13,7 @@
WXDIR = $(WXWIN)
TARGET=life
OBJECTS=$(TARGET).obj
OBJECTS=$(TARGET).obj dialogs.obj game.obj
!include $(WXDIR)\src\makeprog.bcc

2
demos/life/makefile.dos
View File

@ -11,7 +11,7 @@
WXDIR = $(WXWIN)
TARGET=life
OBJECTS = $(TARGET).obj
OBJECTS = $(TARGET).obj dialogs.obj game.obj
!include $(WXDIR)\src\makeprog.msc

2
demos/life/makefile.g95
View File

@ -10,7 +10,7 @@
WXDIR = ../..
TARGET=life
OBJECTS = $(TARGET).o
OBJECTS = $(TARGET).o dialogs.o game.o
include $(WXDIR)/src/makeprog.g95

2
demos/life/makefile.unx
View File

@ -17,7 +17,7 @@ CC = gcc
PROGRAM = life
OBJECTS = $(PROGRAM).o
OBJECTS = $(PROGRAM).o dialogs.o game.o
# implementation

2
demos/life/makefile.vc
View File

@ -12,7 +12,7 @@
WXDIR = $(WXWIN)
PROGRAM=life
OBJECTS = $(PROGRAM).obj
OBJECTS = $(PROGRAM).obj dialogs.obj game.obj
!include $(WXDIR)\src\makeprog.vc

2
demos/life/makefile.wat
View File

@ -8,7 +8,7 @@
WXDIR = $(%WXWIN)
PROGRAM = life
OBJECTS = $(PROGRAM).obj
OBJECTS = $(PROGRAM).obj dialogs.obj game.obj
!include $(WXDIR)\src\makeprog.wat

6
demos/life/samples.inc
View File

@ -145,9 +145,9 @@ LifeShape g_shapes[] =
"......*......"
"......*.....*"
".....***....*"
"....* *...*"
".**** ****."
"*...* *...."
"....*...*...*"
".****...****."
"*...*...*...."
"*....***....."
"*.....*......"
"......*......"