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bombs1.cpp
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C/C++ Source or Header
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2000-10-30
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///////////////////////////////////////////////////////////////////////////////
// Name: bombs1.cpp
// Purpose: Bombs game
// Author: P. Foggia 1996
// Modified by:
// Created: 1996
// RCS-ID: $Id: bombs1.cpp,v 1.2 2000/10/30 17:06:43 vadz Exp $
// Copyright: (c) 1996 P. Foggia
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
/*
* implementation of the methods DrawField and OnEvent of the
* class BombsCanvas
*/
#ifdef __GNUG__
#pragma implementation
#endif
#include "wx/wxprec.h"
#ifndef WX_PRECOMP
#include "wx/wx.h"
#endif //precompiled headers
#include "bombs.h"
/*-------- BombCanvasClass::DrawField(dc, xc1, yc1, xc2, yc2) -------*/
/* Draws the field on the device context dc */
/* xc1,yc1 etc. are the (inclusive) limits of the area to be drawn, */
/* expressed in cells. */
/*---------------------------------------------------------------------*/
void BombsCanvasClass::DrawField(wxDC *dc, int xc1, int yc1, int xc2, int yc2)
{ int x,y,xmax,ymax;
char buf[2];
long chw, chh;
wxColour *wxBlack = wxTheColourDatabase->FindColour("BLACK");
wxColour *wxWhite = wxTheColourDatabase->FindColour("WHITE");
wxColour *wxRed = wxTheColourDatabase->FindColour("RED");
wxColour *wxBlue = wxTheColourDatabase->FindColour("BLUE");
wxColour *wxGrey = wxTheColourDatabase->FindColour("LIGHT GREY");
wxColour *wxGreen = wxTheColourDatabase->FindColour("GREEN");
wxPen *blackPen = wxThePenList->FindOrCreatePen(*wxBlack, 1, wxSOLID);
wxPen *redPen = wxThePenList->FindOrCreatePen(*wxRed, 1, wxSOLID);
wxPen *bluePen = wxThePenList->FindOrCreatePen(*wxBlue, 1, wxSOLID);
wxBrush *whiteBrush = wxTheBrushList->FindOrCreateBrush(*wxWhite, wxSOLID);
wxBrush *greyBrush = wxTheBrushList->FindOrCreateBrush(*wxGrey, wxSOLID);
wxBrush *redBrush = wxTheBrushList->FindOrCreateBrush(*wxRed, wxSOLID);
xmax=field_width*x_cell*X_UNIT;
ymax=field_height*y_cell*Y_UNIT;
dc->SetPen(* blackPen);
for(x=xc1; x<=xc2; x++)
dc->DrawLine(x*x_cell*X_UNIT, 0, x*x_cell*X_UNIT, ymax);
for(y=xc1; y<=yc2; y++)
dc->DrawLine(0, y*y_cell*Y_UNIT, xmax, y*y_cell*Y_UNIT);
wxFont font= BOMBS_FONT;
dc->SetFont(font);
buf[1]='\0';
for(x=xc1; x<=xc2; x++)
for(y=yc1; y<=yc2; y++)
{ if (wxGetApp().Game.IsMarked(x,y))
{ dc->SetPen(* blackPen);
dc->SetBrush(* greyBrush);
dc->DrawRectangle( x*x_cell*X_UNIT, y*y_cell*Y_UNIT,
x_cell*X_UNIT+1, y_cell*Y_UNIT+1);
*buf='M';
if (!wxGetApp().Game.IsHidden(x,y) && wxGetApp().Game.IsBomb(x,y))
dc->SetTextForeground(*wxBlue);
else
dc->SetTextForeground(*wxRed);
dc->SetTextBackground(*wxGrey);
dc->GetTextExtent(buf, &chw, &chh);
dc->DrawText( buf,
x*x_cell*X_UNIT + (x_cell*X_UNIT-chw)/2,
y*y_cell*Y_UNIT + (y_cell*Y_UNIT-chh)/2
);
if (!wxGetApp().Game.IsHidden(x,y) && wxGetApp().Game.IsBomb(x,y))
{ dc->SetPen(*redPen);
dc->DrawLine(x*x_cell*X_UNIT, y*y_cell*Y_UNIT,
(x+1)*x_cell*X_UNIT, (y+1)*y_cell*Y_UNIT);
dc->DrawLine(x*x_cell*X_UNIT, (y+1)*y_cell*Y_UNIT,
(x+1)*x_cell*X_UNIT, y*y_cell*Y_UNIT);
}
}
else if (wxGetApp().Game.IsHidden(x,y))
{ dc->SetPen(*blackPen);
dc->SetBrush(*greyBrush);
dc->DrawRectangle( x*x_cell*X_UNIT, y*y_cell*Y_UNIT,
x_cell*X_UNIT+1, y_cell*Y_UNIT+1);
}
else if (wxGetApp().Game.IsBomb(x,y))
{ dc->SetPen(* blackPen);
dc->SetBrush(* redBrush);
dc->DrawRectangle( x*x_cell*X_UNIT, y*y_cell*Y_UNIT,
x_cell*X_UNIT+1, y_cell*Y_UNIT+1);
*buf='B';
dc->SetTextForeground(* wxBlack);
dc->SetTextBackground(* wxRed);
dc->GetTextExtent(buf, &chw, &chh);
dc->DrawText( buf,
x*x_cell*X_UNIT + (x_cell*X_UNIT-chw)/2,
y*y_cell*Y_UNIT + (y_cell*Y_UNIT-chh)/2
);
if (wxGetApp().Game.IsExploded(x,y))
{ dc->SetPen(* bluePen);
dc->DrawLine(x*x_cell*X_UNIT, y*y_cell*Y_UNIT,
(x+1)*x_cell*X_UNIT, (y+1)*y_cell*Y_UNIT);
dc->DrawLine(x*x_cell*X_UNIT, (y+1)*y_cell*Y_UNIT,
(x+1)*x_cell*X_UNIT, y*y_cell*Y_UNIT);
}
}
else // Display a digit
{ dc->SetPen(* blackPen);
dc->SetBrush(* whiteBrush);
dc->DrawRectangle( x*x_cell*X_UNIT, y*y_cell*Y_UNIT,
x_cell*X_UNIT+1, y_cell*Y_UNIT+1);
*buf = (wxGetApp().Game.Get(x,y) & BG_MASK) + '0';
dc->GetTextExtent(buf, &chw, &chh);
switch(*buf)
{ case '0': dc->SetTextForeground(* wxGreen); break;
case '1': dc->SetTextForeground(* wxBlue); break;
default: dc->SetTextForeground(* wxBlack); break;
}
dc->SetTextBackground(* wxWhite);
dc->DrawText( buf,
x*x_cell*X_UNIT + (x_cell*X_UNIT-chw)/2,
y*y_cell*Y_UNIT + (y_cell*Y_UNIT-chh)/2
);
}
}
dc->SetFont(wxNullFont);
if (wxGetApp().BombsFrame)
{ char buf[80];
sprintf(buf, "%d bombs %d remaining cells",
wxGetApp().Game.GetBombs(), wxGetApp().Game.GetRemainingCells());
wxGetApp().BombsFrame->SetStatusText(buf, 0);
}
}
/*-------- BombCanvasClass::Refresh(xc1, yc1, xc2, yc2) -------------*/
/* Refreshes the field image */
/* xc1,yc1 etc. are the (inclusive) limits of the area to be drawn, */
/* expressed in cells. */
/*---------------------------------------------------------------------*/
void BombsCanvasClass::Refresh(int xc1, int yc1, int xc2, int yc2)
{
wxClientDC dc(this);
DrawField(& dc, xc1, yc1, xc2, yc2);
if (bmp)
{ wxMemoryDC memDC;
memDC.SelectObject(* bmp);
DrawField(&memDC, xc1, yc1, xc2, yc2);
memDC.SelectObject(wxNullBitmap);
}
}
// Called when uncovering a cell.
void BombsCanvasClass::Uncover(int x, int y)
{
wxGetApp().Game.Unhide(x,y);
Refresh(x, y, x, y);
if (wxGetApp().Game.IsBomb(x,y) || wxGetApp().Game.GetRemainingCells()==0)
{ wxBell();
if (!wxGetApp().Game.IsBomb(x,y))
{ wxMessageBox("Nice! You found all the bombs!", "wxWin Bombs",
wxOK|wxCENTRE, wxGetApp().BombsFrame);
}
else // x,y is a bomb
{ wxGetApp().Game.Explode(x, y);
}
for(x=0; x<field_width; x++)
for(y=0; y<field_height; y++)
wxGetApp().Game.Unhide(x,y);
Refresh(0, 0, field_width-1, field_height-1);
}
else if (!wxGetApp().Game.Get(x, y))
{ int left = ( x > 0 ) ? x-1 : 0;
int right = ( x < wxGetApp().Game.GetWidth() - 1 )?
x+1 : wxGetApp().Game.GetWidth() - 1;
int top = ( y > 0 ) ? y-1 : 0;
int bottom = ( y < wxGetApp().Game.GetHeight() - 1 )?
y+1 : wxGetApp().Game.GetHeight() - 1;
int i,j;
for (j = top; j <= bottom; j++)
for (i=left; i <= right; i++)
if ((i != x || j != y) && wxGetApp().Game.IsHidden(i,j)
&& !wxGetApp().Game.IsMarked(i,j))
Uncover(i,j);
}
}
// Called when the canvas receives a mouse event.
void BombsCanvasClass::OnEvent(wxMouseEvent& event)
{
wxCoord fx, fy;
event.GetPosition(&fx, &fy);
int x = fx/(x_cell*X_UNIT);
int y = fy/(y_cell*Y_UNIT);
if (x<field_width && y<field_height)
{ if ( (event.RightDown() || (event.LeftDown() && event.ShiftDown()))
&& (wxGetApp().Game.IsHidden(x,y)
|| wxGetApp().Game.GetRemainingCells()==0))
{ wxGetApp().Game.Mark(x,y);
Refresh(x, y, x, y);
return;
}
else if (event.LeftDown() && wxGetApp().Game.IsHidden(x,y)
&& !wxGetApp().Game.IsMarked(x,y))
{ Uncover(x,y);
return;
}
}
}