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| unit Game2048_MainForm;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls, Grids, Buttons;
type
TForm1 = class(TForm)
StringGrid1: TStringGrid;
btnUp: TSpeedButton;
btnRight: TSpeedButton;
btnDown: TSpeedButton;
btnLeft: TSpeedButton;
btnReset: TSpeedButton;
procedure FormKeyUp(Sender: TObject; var Key: Word; Shift: TShiftState);
procedure btnUpClick(Sender: TObject);
procedure btnDownClick(Sender: TObject);
procedure btnRightClick(Sender: TObject);
procedure btnLeftClick(Sender: TObject);
procedure FormCreate(Sender: TObject);
procedure btnResetClick(Sender: TObject);
private
{ Déclarations privées }
procedure Pop();
procedure Combine(ADirection: Word);
procedure CombineCol(AStart, AEnd: Integer; AStep: Integer);
procedure CombineLine(AStart, AEnd: Integer; AStep: Integer);
public
{ Déclarations publiques }
end;
var
Form1: TForm1;
implementation
uses Math;
{$R *.dfm}
procedure TForm1.FormCreate(Sender: TObject);
begin
if System.DebugHook = 0 then
Randomize();
Pop();
end;
procedure TForm1.Pop();
var
Coords: array of TPoint;
procedure AddPoint(const p: TPoint);
var
l: Integer;
begin
l := Length(Coords);
SetLength(Coords, l + 1);
Coords[l] := p;
end;
var
c, r, i: Integer;
begin
for c := 0 to StringGrid1.ColCount - 1 do
for r := 0 to StringGrid1.RowCount - 1 do
if StringGrid1.Cells[c, r] = '' then
AddPoint(Point(r, c));
if Length(Coords) > 0 then
begin
i := RandomRange(0, Length(Coords));
StringGrid1.Cells[Coords[i].Y, Coords[i].X] := IntToStr(2 + (RandomRange(0, 1) * 2));
end
else
begin
ShowMessage('You LOOSE !');
for c := 0 to StringGrid1.ColCount - 1 do
for r := 0 to StringGrid1.RowCount - 1 do
StringGrid1.Cells[c, r] := '';
Pop();
end;
end;
procedure TForm1.FormKeyUp(Sender: TObject; var Key: Word; Shift: TShiftState);
begin
Combine(Key);
end;
procedure TForm1.btnUpClick(Sender: TObject);
begin
Combine(VK_UP);
end;
procedure TForm1.btnDownClick(Sender: TObject);
begin
Combine(VK_DOWN);
end;
procedure TForm1.btnRightClick(Sender: TObject);
begin
Combine(VK_RIGHT);
end;
procedure TForm1.btnLeftClick(Sender: TObject);
begin
Combine(VK_LEFT);
end;
procedure TForm1.Combine(ADirection: Word);
begin
case ADirection of
VK_UP: CombineCol(StringGrid1.RowCount - 1, 0, -1);
VK_DOWN: CombineCol(0, StringGrid1.RowCount - 1, +1);
VK_RIGHT: CombineLine(0, StringGrid1.ColCount - 1, +1);
VK_LEFT: CombineLine(StringGrid1.ColCount - 1, 0, -1);
end;
end;
procedure TForm1.CombineCol(AStart, AEnd: Integer; AStep: Integer);
var
c, r: Integer;
s, d: Integer;
k: Integer;
begin
for c := 0 to StringGrid1.ColCount - 1 do
begin
r := AStart;
while ((AStep > 0) and (r < AEnd)) or ((AStep < 0) and (r > AEnd)) do
begin
s := StrToIntDef(StringGrid1.Cells[c, r], 0);
d := StrToIntDef(StringGrid1.Cells[c, r + AStep], 0);
if (d = 0) and (s > 0) then
begin
StringGrid1.Cells[c, r] := '';
StringGrid1.Cells[c, r + AStep] := IntToStr(s);
end
else if (d > 0) and (s = d) then
begin
StringGrid1.Cells[c, r] := '';
StringGrid1.Cells[c, r + AStep] := IntToStr(s + d);
// Break; // ??? ça je sais pas la règle si c'est ça se propage tout seul
end
else if (d > 0) and (s > 0) and (d <> s) then
Break;
Inc(r, AStep);
end;
repeat
k := 0;
r := AEnd;
while ((-AStep > 0) and (r < AStart)) or ((-AStep < 0) and (r > AStart)) do
begin
s := StrToIntDef(StringGrid1.Cells[c, r - AStep], 0);
d := StrToIntDef(StringGrid1.Cells[c, r], 0);
if (d = 0) and (s > 0) then
begin
StringGrid1.Cells[c, r - AStep] := '';
StringGrid1.Cells[c, r] := IntToStr(s);
Inc(k);
end;
Inc(r, -AStep);
end;
until k = 0;
end;
Pop();
end;
procedure TForm1.CombineLine(AStart, AEnd: Integer; AStep: Integer);
var
c, r: Integer;
s, d: Integer;
k: Integer;
begin
for r := 0 to StringGrid1.RowCount - 1 do
begin
c := AStart;
while ((AStep > 0) and (c < AEnd)) or ((AStep < 0) and (c > AEnd)) do
begin
s := StrToIntDef(StringGrid1.Cells[c, r], 0);
d := StrToIntDef(StringGrid1.Cells[c + AStep, r], 0);
if (d = 0) and (s > 0) then
begin
StringGrid1.Cells[c, r] := '';
StringGrid1.Cells[c + AStep, r] := IntToStr(s);
end
else if (d > 0) and (s = d) then
begin
StringGrid1.Cells[c, r] := '';
StringGrid1.Cells[c + AStep, r] := IntToStr(s + d);
// Break; // ??? ça je sais pas la règle si c'est ça se propage tout seul
end
else if (d > 0) and (s > 0) and (d <> s) then
Break;
Inc(c, AStep);
end;
repeat
k := 0;
c := AEnd;
while ((-AStep > 0) and (c < AStart)) or ((-AStep < 0) and (c > AStart)) do
begin
s := StrToIntDef(StringGrid1.Cells[c - AStep, r], 0);
d := StrToIntDef(StringGrid1.Cells[c, r], 0);
if (d = 0) and (s > 0) then
begin
StringGrid1.Cells[c - AStep, r] := '';
StringGrid1.Cells[c, r] := IntToStr(s);
Inc(k);
end;
Inc(c, -AStep);
end;
until k = 0;
end;
Pop();
end;
procedure TForm1.btnResetClick(Sender: TObject);
var
c, r: Integer;
begin
for c := 0 to StringGrid1.ColCount - 1 do
for r := 0 to StringGrid1.RowCount - 1 do
StringGrid1.Cells[c, r] := '';
Pop();
end;
end. |
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