Game Swat
Game ini diposting untuk tujuan tugas. Tidak berbeda jauh dengan game tangkap kelinci yang dibuat sebelumnya. Yang membedakan ini lebih rumit dan memakan cukup banyak waktu dalam proses pembuatan listingnya.
Form
LISTING
unit Main;
interface
uses
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms,
Dialogs,
ExtCtrls, Menus, StdCtrls;
const
crMaletUp : integer = 5;
crMaletDown : integer = 6;
MissedPoints : integer = -2;
HitPoints : integer = 5;
MissedCritter : integer = -1;
CritterSize : integer = 72;
TimerId : integer = 1;
type
THole = record
Time : integer;
Dead : boolean;
end;
TSwatForm = class(TForm)
MainMenu1: TMainMenu;
Gamr1: TMenuItem;
New1: TMenuItem;
Options1: TMenuItem;
Stop1: TMenuItem;
Pause1: TMenuItem;
About1: TMenuItem;
Timer1: TTimer;
GameOverImage: TImage;
Image1: TImage;
TimeLabel: TLabel;
MissLabel: TLabel;
HitsLabel: TLabel;
EscapedLabel: TLabel;
ScoreLabel: TLabel;
Close1: TMenuItem;
procedure FormCreate(Sender: TObject);
procedure Timer1Timer(Sender: TObject);
procedure FormMouseDown(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
procedure FormMouseUp(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
procedure New1Click(Sender: TObject);
procedure Options1Click(Sender: TObject);
procedure Stop1Click(Sender: TObject);
procedure Pause1Click(Sender: TObject);
procedure About1Click(Sender: TObject);
procedure Close1Click(Sender: TObject);
private
{ Private declarations }
Score : integer;
Hits, Miss, Escaped : integer;
IsGameOver, IsPause : Boolean;
Live : TBitmap;
Dead : TBitmap;
HoleInfo : array[0..4] of THole;
Holes : array[0..4] of TPoint;
procedure WriteScore;
public
{ Public declarations }
LiveTime, Frequence, GameTime :
integer;
end;
var
SwatForm: TSwatForm;
implementation
uses options, about, Unit1;
{$R *.dfm}
{$R extrares.res}
procedure
TSwatForm.FormCreate(Sender: TObject);
begin
Holes[0] := Point( 10, 10 );
Holes[1] := Point( 200, 10 );
Holes[2] := Point( 100, 100 );
Holes[3] := Point( 10, 200 );
Holes[4] := Point( 200, 200 );
Screen.Cursors[crMaletUp] := LoadCursor(HInstance, 'Malet');
Screen.Cursors[crMaletDown] := LoadCursor(HInstance, 'MaletDown');
Screen.Cursor := TCursor(crMaletUp);
randomize;
Live := TBitmap.Create;
Live.LoadFromResourceName(HInstance, 'Live');
Dead := TBitmap.Create;
Dead.LoadFromResourceName(HInstance, 'Dead');
IsGameOver := true;
IsPause := false;
LiveTime := 10;
Frequence := 20;
GameTime := 150; // fifteen
seconds
Application.OnMinimize := Pause1Click;
Application.OnRestore := Pause1Click;
end;
procedure
TSwatForm.Timer1Timer(Sender: TObject);
var
i : integer;
begin
Timer1.Tag := Timer1.Tag + 1;
i := random(Frequence);
if (i < 5) then
begin
if (HoleInfo[i].Time = 0) then
begin
HoleInfo[i].Time := Timer1.Tag + LiveTime;
HoleInfo[i].Dead := false;
Canvas.Draw(Holes[i].x, Holes[i].y, Live);
end;
end;
for i := 0 to 4 do
begin
if ( (Timer1.Tag > HoleInfo[i].Time ) and ( HoleInfo[i].Time <>
0 ) ) then
begin
HoleInfo[i].Time := 0;
if not(HoleInfo[i].Dead) then
begin
inc( Score, MissedCritter );
inc( Escaped );
end;
Canvas.FillRect(Rect(Holes[i].x, Holes[i].y, Holes[i].x + Dead.Width,
Holes[i].y + Dead.Height));
end;
end;
WriteScore;
if (Timer1.Tag >= GameTime) then
Stop1Click(self);
end;
procedure
TSwatForm.FormMouseDown(Sender: TObject; Button: TMouseButton; Shift:
TShiftState; X, Y: Integer);
var
i : integer;
hit : boolean;
begin
Screen.Cursor := TCursor(crMaletDown);
if (IsGameOver or IsPause) then
exit;
hit := false;
for i := 0 to 4 do
if ( (not HoleInfo[i].Dead) and (HoleInfo[i].Time <> 0) ) then
if (X > Holes[i].x ) and ( X < (Holes[i].x + Live.Width) ) and
( Y > Holes[i].y ) and ( Y <
(Holes[i].y + Live.Height)) then
begin
inc( Score, HitPoints );
HoleInfo[i].Dead := true;
HoleInfo[i].Time := Timer1.Tag + 2 *
LiveTime;
inc( Hits );
hit := true;
Canvas.Draw(Holes[i].x, Holes[i].y,
Dead);
end;
if not(hit) then
begin
inc ( Score, MissedPoints );
inc( Miss );
end;
WriteScore;
end;
procedure TSwatForm.FormMouseUp(Sender:
TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
begin
Screen.Cursor := TCursor(crMaletUp);
end;
procedure
TSwatForm.New1Click(Sender: TObject);
begin
Timer1.Enabled := true;
Timer1.Tag := 0;
Score := 0;
Hits := 0;
Miss := 0;
Escaped := 0;
if (IsPause)
then begin
IsPause := false;
Pause1.Caption := '&Pause';
end;
GameOverImage.Visible := false;
IsGameOver := false;
FillChar(HoleInfo, sizeof(HoleInfo), 0);
New1.Enabled := false;
Options1.Enabled := false;
Stop1.Enabled := true;
end;
procedure
TSwatForm.Options1Click(Sender: TObject);
begin
OptionsDlg.ShowModal;
end;
procedure
TSwatForm.Stop1Click(Sender: TObject);
var
i : integer;
begin
Timer1.Enabled := false;
IsPause := false;
GameOverImage.Visible := true;
IsGameOver := true;
Timer1.Tag := GameTime;
New1.Enabled := true;
Options1.Enabled := true;
Stop1.Enabled := false;
for i := 0 to 4 do
if (HoleInfo[i].Time <> 0) then
Canvas.FillRect(Rect(Holes[i].x, Holes[i].y, Holes[i].x + Dead.Width,
Holes[i].y + Dead.Height));
end;
procedure
TSwatForm.Pause1Click(Sender: TObject);
begin
if (IsGameOver) then
exit;
if (IsPause) then
begin
IsPause := false;
Pause1.Caption := '&Pause';
Stop1.Enabled := true;
Timer1.Enabled := true;
end
else
begin
IsPause := true;
Pause1.Caption := '&Continue';
Stop1.Enabled := false;
Timer1.Enabled := false;
end;
end;
procedure TSwatForm.About1Click(Sender:
TObject);
begin
form1.Show;
end;
procedure TSwatForm.WriteScore;
begin
TimeLabel.Caption := IntToStr(GameTime - Timer1.Tag);
HitsLabel.Caption := IntToStr(Hits);
MissLabel.Caption := IntToStr(Miss);
EscapedLabel.Caption := IntToStr(Escaped);
ScoreLabel.Caption := IntToStr(Score);
end;
procedure
TSwatForm.Close1Click(Sender: TObject);
begin
Close;
end;
end.
