Notes

' Game 2048 in Small Basic
' Small Basic version written by Nonki Takahashi.
' Last update 2015-02-27
' Version 0.2b
' Program ID CLZ771-0
'
GraphicsWindow.Title = "2048 in Small Basic"
debug = "False"
Init()
Form()
exp = 1
While "True"
Board_Clear()
movable = "True"
num = 2
random = "True"
Tile_Add()
Tile_Add()
While movable
KB_WaitKey()
checkOnly = "False"
If key = "Left" Then
Tile_Left()
ElseIf key = "Right" Then
Tile_Right()
ElseIf key = "Up" Then
Tile_Up()
ElseIf key = "Down" Then
Tile_Down()
EndIf
Program.Delay(2 * msMove)
If moved Then
num = 2
random = "True"
Tile_Add()
ElseIf boardFull Then
Tile_CheckMovable()
EndIf
If debug Then
TextWindow.WriteLine("board = " + board)
TextWindow.WriteLine("space = " + space)
TextWindow.WriteLine("guard = " + guard)
EndIf
EndWhile
GameOver()
EndWhile
Sub Form
gw = 598
gh = 428
GraphicsWindow.Width = gw
GraphicsWindow.Height = gh
GraphicsWindow.BackgroundColor = "#FAF8EF"
size = 80
gap = 14
GraphicsWindow.PenWidth = 0
GraphicsWindow.FontName = "Trebuchet MS"
Board_Init()
GraphicsWindow.BrushColor = "#776E65"
GraphicsWindow.FontSize = 60
GraphicsWindow.DrawText(ix, by, 2048)
GraphicsWindow.BrushColor = "#BBADA0"
GraphicsWindow.FillRectangle(ix, by + 100, 140, 60)
GraphicsWindow.FillRectangle(ix, by + 180, 140, 60)
GraphicsWindow.BrushColor = "#EEE4DA"
Program.Delay(300) ' for known issue 21694
fs = 16
GraphicsWindow.FontSize = fs
txt = "SCORE"
Text_GetWidthInPx()
dx = Math.Floor((140 - px) / 2)
GraphicsWindow.DrawText(ix + dx, by + 104, "SCORE")
txt = "BEST"
Text_GetWidthInPx()
dx = Math.Floor((140 - px) / 2)
GraphicsWindow.DrawText(ix + dx, by + 184, "BEST")
ShowScore()
ShowBest()
EndSub
Sub GameOver
Program.Delay(300) ' for known issue 21694
fs = 60
GraphicsWindow.FontSize = fs
txt = "GAMEOVER"
GraphicsWindow.BrushColor = "#FFFFFF"
mask = Shapes.AddRectangle(bw, bh)
Shapes.SetOpacity(mask, 50)
Shapes.Move(mask, bx, by)
GraphicsWindow.BrushColor = "#776E65"
txtGameOver = Shapes.AddText(txt)
Text_GetWidthInPx()
dx = Math.Floor((bw - px) / 2)
dy = Math.Floor((bh - fs * 2) / 2)
Shapes.Move(txtGameOver, bx + dx, by + dy)
KB_WaitKey()
Shapes.Remove(txtGameOver)
Shapes.Remove(mask)
score = 0
ShowScore()
EndSub
Sub Init
Not = "True=False;False=True;"
Tile_Init()
score = 0
best = 0
KB_Init()
' width/height [%] of each character in Trebuchet MS font
ratio = "32=30;48=58;49=58;50=58;51=58;52=58;53=58;54=58;55=58;56=58;"
ratio = ratio + "57=58;65=63;66=59;67=61;68=64;69=57;70=58;71=67;"
ratio = ratio + "72=68;73=28;74=53;75=62;76=55;77=74;78=67;79=70;"
ratio = ratio + "80=59;81=71;82=61;83=51;84=61;85=68;86=62;87=88;"
ratio = ratio + "88=60;89=61;90=56;97=53;98=58;99=51;100=58;101=57;"
ratio = ratio + "102=37;103=50;104=59;105=30;106=37;107=55;108=29;"
ratio = ratio + "109=86;110=59;111=56;112=58;113=58;114=43;115=43;"
ratio = ratio + "116=39;117=59;118=53;119=78;120=55;121=53;122=53;"
EndSub
Sub ShowBest
fs = 24
' param best
If txtBest = "" Then
Program.Delay(300) ' for known issue 21694
GraphicsWindow.FontSize = fs
GraphicsWindow.BrushColor = "#FFFFFF"
txtBest = Shapes.AddText(best)
Else
Shapes.SetText(txtBest, best)
EndIf
txt = best
Text_GetWidthInPx()
dx = Math.Floor((140 - px) / 2)
Shapes.Move(txtBest, ix + dx, by + 206)
EndSub
Sub ShowScore
' param score
fs = 24
If txtScore = "" Then
Program.Delay(300) ' for known issue 21694
GraphicsWindow.FontSize = fs
GraphicsWindow.BrushColor = "#FFFFFF"
txtScore = Shapes.AddText(score)
Else
Shapes.SetText(txtScore, score)
EndIf
txt = score
Text_GetWidthInPx()
dx = Math.Floor((140 - px) / 2)
Shapes.Move(txtScore, ix + dx, by + 126)
EndSub
Sub Board_CellToIndex
' param col, row - cell position
' return i - index of board array
i = (row - 1) * 4 + col
EndSub
Sub Board_CellToPos
' param col, row - cell position
' return x, y - x and y coordiate of the graphics window
x = bx + gap + (col - 1) * (size + gap)
y = by + gap + (row - 1) * (size + gap)
EndSub
Sub Board_Clear
nTile = Array.GetItemCount(board)
If 0 < nTile Then
index = Array.GetAllIndices(board)
While 0 < nTile
i = index[nTile]
Tile_Remove()
nTile = nTile - 1
EndWhile
EndIf
boardFull = "False"
EndSUb
Sub Board_GetDestCell
' Board | Get destination cell
' param key - "Left", "Right", "Up" or "Down"
' param col, row - base cell position
' return colDest, rowDest - destination cell position
' return iDest - index of the board array
' return tileDest - tile array
Board_CellToIndex()
iSrc = i
tile = board[iSrc]
rowDest = row
colDest = col
If key = "Down" Then
Stack.PushValue("local", row)
row = row + 1
Board_CellToIndex()
While (row <= 4) And (board[i] = "")
row = row + 1
Board_CellToIndex()
EndWhile
iDest = i
rowDest = row - 1
If (row <= 4) And (board[iDest] <> "") And (guard[iDest] = "") Then
tileDest = board[iDest]
If tile["#"] = tileDest["#"] Then
rowDest = row
Else
tileDest = ""
EndIf
Else
tileDest = ""
EndIf
row = rowDest
Board_CellToIndex()
iDest = i
row = Stack.PopValue("local")
ElseIf key = "Up" Then
Stack.PushValue("local", row)
row = row - 1
Board_CellToIndex()
While (1 <= row) And (board[i] = "")
row = row - 1
Board_CellToIndex()
EndWhile
iDest = i
rowDest = row + 1
If (1 <= row) And (board[iDest] <> "") And (guard[iDest] = "") Then
tileDest = board[iDest]
If tile["#"] = tileDest["#"] Then
rowDest = row
Else
tileDest = ""
EndIf
Else
tileDest = ""
EndIf
row = rowDest
Board_CellToIndex()
iDest = i
row = Stack.PopValue("local")
ElseIf key = "Right" Then
Stack.PushValue("local", col)
col = col + 1
Board_CellToIndex()
While (col <= 4) And (board[i] = "")
col = col + 1
Board_CellToIndex()
EndWhile
iDest = i
colDest = col - 1
If (col <= 4) And (board[iDest] <> "") And (guard[iDest] = "") Then
tileDest = board[iDest]
If tile["#"] = tileDest["#"] Then
colDest = col
Else
tileDest = ""
EndIf
Else
tileDest = ""
EndIf
col = colDest
Board_CellToIndex()
iDest = i
col = Stack.PopValue("local")
ElseIf key = "Left" Then
Stack.PushValue("local", col)
col = col - 1
Board_CellToIndex()
While (1 <= col) And (board[i] = "")
col = col - 1
Board_CellToIndex()
EndWhile
iDest = i
colDest = col + 1
If (1 <= col) And (board[iDest] <> "") And (guard[iDest] = "") Then
tileDest = board[iDest]
If tile["#"] = tileDest["#"] Then
colDest = col
Else
tileDest = ""
EndIf
Else
tileDest = ""
EndIf
col = colDest
Board_CellToIndex()
iDest = i
col = Stack.PopValue("local")
EndIf
EndSub
Sub Board_GetSpace
' return col, row - position of a space
nTile = Array.GetItemCount(board)
If nTile < 16 Then
boardFull = "False"
nSpace = Array.GetItemCount(space)
index = Array.GetAllIndices(space)
i = index[Math.GetRandomNumber(nSpace)]
Board_IndexToCell()
Else
boardFull = "True"
EndIf
EndSub
Sub Board_IndexToCell
' param i - index of board array
' return col, row - cell position
col = Math.Remainder(i - 1, 4) + 1
row = Math.Floor((i - 1) / 4) + 1
EndSub
Sub Board_Init
bw = size * 4 + gap * 5
bh = bw
bx = Math.Floor((gw - bw - (gap + 140)) / 2)
ix = bx + bw + gap ' for information
by = Math.Floor((gh - bh) / 2)
GraphicsWindow.BrushColor = "#BBADA0"
GraphicsWindow.FillRectangle(bx, by, bw, bh)
GraphicsWindow.BrushColor = "#CCC0B3"
For row = 1 To 4
For col = 1 To 4
Board_CellToPos()
GraphicsWindow.FillRectangle(x, y, size size)
EndFor
EndFor
board = ""
space = "1=1;2=1;3=1;4=1;5=1;6=1;7=1;8=1;9=1;10=1;"
space = space + "11=1;12=1;13=1;14=1;15=1;16=1;"
EndSub
Sub KB_Init
GraphicsWindow.KeyDown = KB_OnKeyDown
keyDown = "False"
EndSub
Sub KB_OnKeyDown
key = GraphicsWindow.LastKey
keyDown = "True"
EndSub
Sub KB_WaitKey
keyDown = "False"
While Not[keyDown]
Program.Delay(100)
EndWhile
EndSub
Sub Text_GetWidthInPx
' param txt - text to get width in px
' param ratio - character width/height in a font
' param fs - font size (height)
' return px - width in px (pixels)
len = Text.GetLength(txt)
px = 0
For p = 1 To len
px = px + ratio[Text.GetCharacterCode(Text.GetSubText(txt, p, 1))]
EndFor
px = Math.Floor(px * fs / 100)
EndSub
Sub Tile_Add
' param num - number to add
' param random - "True" if to random position
' param col, row - cell position if not random
If random Then
Board_GetSpace()
EndIf
Board_CellToIndex()
If space[i] = 1 Then
GraphicsWindow.BrushColor = colorTile[num]
tile["#"] = num
tile["tile"] = Shapes.AddRectangle(size, size)
Board_CellToPos()
Shapes.Move(tile["tile"], x, y)
Shapes.Zoom(tile["tile"], 0.1, 0.1)
GraphicsWindow.BrushColor = colorNum[num]
txt = num
fs = fontSize[num]
GraphicsWindow.FontSize = fs
tile["num"] = Shapes.AddText(txt)
Text_GetWidthInPx()
dx = Math.Floor((size - px) / 2)
tile["dx"] = dx
dy = Math.Floor((size - fs * 1.1) / 2)
tile["dy"] = dy
Shapes.Move(tile["num"], x + dx, y + dy)
Shapes.Zoom(tile["num"], 0.1, 0.1)
Program.Delay(10)
maxScale = 1.2
For scale = 0.2 To maxScale Step 0.1
Shapes.Zoom(tile["tile"], scale, scale)
Shapes.Zoom(tile["num"], scale, scale)
Program.Delay(10)
EndFor
For scale = maxScale To 1 Step -0.1
Shapes.Zoom(tile["tile"], scale, scale)
Shapes.Zoom(tile["num"], scale, scale)
Program.Delay(10)
EndFor
board[i] = tile
space[i] = ""
If space = "" Then
boardFull = "True"
EndIf
EndIf
EndSub
Sub Tile_CheckMovable
' return movable
movable = "False"
checkOnly = "True"
key = "Down"
Tile_Down()
If Not[movable] Then
key = "Up"
Tile_Up()
EndIf
If Not[movable] Then
key = "Right"
Tile_Right()
EndIf
If Not[movable] Then
key = "Left"
Tile_Left()
EndIf
EndSub
Sub Tile_Down
' param checkOnly
' return moved
guard = ""
moved = "False"
For row = 3 To 1 Step -1
For col = 1 To 4
Board_CellToIndex()
iSrc = i
tile = board[iSrc]
If tile <> "" Then
Board_GetDestCell()
If row < rowDest Then
If checkOnly Then
movable = "True"
col = 4 ' break
row = 1
Else
Tile_Move()
EndIf
EndIf
EndIf
EndFor
EndFor
EndSub
Sub Tile_Init
msMove = 100
colorTile = "2=#EEE4DA;4=#EDE0C8;8=#F2B179;16=#F59563;"
colorTile = colorTile + "32=#F67C5F;64=#F65E3B;128=#EDCF72;"
colorTile = colorTile + "256=#EDCC61;512=#EDC85D;1024=#EDC53F;"
colorTile = colorTile + "2048=#EDC12E;"
colorNum = "2=#776E65;4=#776E65;8=#F9F6F2;16=#F9F6F2;"
colorNum = colorNum + "32=#F9F6F2;64=#F9F6F2;128=#F9F6F2;"
colorNum = colorNum + "256=#F9F6F2;512=#F9F6F2;1024=#F9F6F2;"
colorNum = colorNum + "2048=#F9F6F2;"
fontSize = "2=60;4=60;8=60;16=50;32=50;64=50;128=40;256=40;"
fontSize = fontSize + "512=40;1024=30;2048=30;"
EndSub
Sub Tile_Left
' param checkOnly
' return moved
guard = ""
moved = "False"
For col = 2 To 4
For row = 1 To 4
Board_CellToIndex()
iSrc = i
tile = board[iSrc]
If tile <> "" Then
Board_GetDestCell()
If colDest < col Then
If checkOnly Then
movable = "True"
col = 4 ' break
row = 4
Else
Tile_Move()
EndIf
EndIf
EndIf
EndFor
EndFor
EndSub
Sub Tile_Move
Stack.PushValue("local", row)
Stack.PushValue("local", col)
row = rowDest
col = colDest
Board_CellToPos()
Shapes.Animate(tile["tile"], x, y, msMove)
Shapes.Animate(tile["num"], x + tile["dx"], y + tile["dy"], msMove)
col = Stack.PopValue("local")
row = Stack.PopValue("local")
If tileDest <> "" Then
i = iSrc
Tile_Remove()
i = iDest
Tile_Remove()
random = "False"
num = tile["#"] * 2
score = score + num
ShowScore()
If best < score Then
best = score
ShowBest()
EndIf
Stack.PushValue("local", row)
Stack.PushValue("local", col)
row = rowDest
col = colDest
Tile_Add()
col = Stack.PopValue("local")
row = Stack.PopValue("local")
If num = 2048 Then
movable = "False"
EndIf
guard[iDest] = 1
Else
board[iDest] = board[iSrc]
space[iDest] = ""
EndIf
board[iSrc] = ""
space[iSrc] = 1
moved = "True"
EndSub
Sub Tile_Remove
' param i - index of the tile to remove
tile = board[i]
Shapes.Remove(tile["num"])
Shapes.Remove(tile["tile"])
board[i] = ""
space[i] = 1
EndSub
Sub Tile_Right
' param checkOnly
' return moved
guard = ""
moved = "False"
For col = 3 To 1 Step -1
For row = 1 To 4
Board_CellToIndex()
iSrc = i
tile = board[iSrc]
If tile <> "" Then
Board_GetDestCell()
If col < colDest Then
If checkOnly Then
movable = "True"
col = 1 ' break
row = 4
Else
Tile_Move()
EndIf
EndIf
EndIf
EndFor
EndFor
EndSub
Sub Tile_Up
' param checkOnly
' return moved
guard = ""
moved = "False"
For row = 2 To 4
For col = 1 To 4
Board_CellToIndex()
iSrc = i
tile = board[iSrc]
If tile <> "" Then
Board_GetDestCell()
If rowDest < row Then
If checkOnly Then
movable = "True"
col = 4 ' break
row = 4
Else
Tile_Move()
EndIf
EndIf
EndIf
EndFor
EndFor
EndSub