Added edit mode

Added peace symbol

README.md

@@ -2,6 +2,16 @@
 
 Golang Tetris for console window with optional AI
 
+## Features include
+
+- AI (use i key to toggle)
+- Lock delay
+- Next piece
+- Ghost piece
+- Top scores
+- Board choices
+- Edit boards
+
 ## Compile
 
 ```
@@ -13,21 +23,6 @@ go install github.com/MichaelS11/go-tetris
 
 Then run the binary created, go-tetris or go-tetris.exe
 
-## Keys during game
-
-| Key | Action |
-| --- | --- |
-| ← | left move |
-| z | left rotate |
-| x | right rotate |
-| → | right move |
-| ↓ | soft drop |
-| ↑ | hard drop |
-| spacebar | hard drop |
-| p | pause |
-| q | quit |
-| i | toggle AI |
-
 ## Keys start screen
 
 | Key | Action |
@@ -35,26 +30,58 @@ Then run the binary created, go-tetris or go-tetris.exe
 | ← | previous board |
 | → | next board |
 | spacebar | start game |
+| ctrl e | edit board |
 | q | quit |
 
-## Features include
+## Keys during game
 
-- AI (use i key to toggle)
+| Key | Action |
-- Lock delay
+| --- | --- |
-- Next piece
+| ← | left move |
-- Ghost piece
+| → | right move |
-- Top scores
+| ↓ | soft drop |
-- Board choices
+| ↑ | hard drop |
+| spacebar | hard drop |
+| z | left rotate |
+| x | right rotate |
+| p | pause |
+| q | quit |
+| i | toggle AI |
+
+## Keys edit mode
+
+| Key | Action |
+| --- | --- |
+| ← | move cursor left |
+| → | move cursor right |
+| ↓ | move cursor down |
+| ↑ | move cursor up |
+| z | rotate left |
+| x | rotate right |
+| c | cyan block - I |
+| b | blue block - J |
+| w | white block - L |
+| e | yellow block - O |
+| g | green block - S |
+| a | magenta block - T |
+| r | red block - Z |
+| f | free block |
+| ctrl b | change board size |
+| ctrl s | save board |
+| ctrl n | save board as new |
+| ctrl k | delete board |
+| ctrl o | empty board |
+| ctrl q | quit edit mode |
 
 ## Screenshots
 
-![alt text](https://raw.githubusercontent.com/MichaelS11/tetris/master/screenshots/screenshot1.png "Go Tetris")
+![alt text](https://raw.githubusercontent.com/MichaelS11/tetris/master/screenshots/tetris.png "Go Tetris")
 
-![alt text](https://raw.githubusercontent.com/MichaelS11/tetris/master/screenshots/screenshot2.png "Golang Tetris")
+![alt text](https://raw.githubusercontent.com/MichaelS11/tetris/master/screenshots/heart.png "Golang Tetris Heart")
 
-![alt text](https://raw.githubusercontent.com/MichaelS11/tetris/master/screenshots/screenshot3.png "Golang Tetris Heart")
+![alt text](https://raw.githubusercontent.com/MichaelS11/tetris/master/screenshots/editmode.png "Edit Mode Peace Symbol")
 
-![alt text](https://raw.githubusercontent.com/MichaelS11/tetris/master/screenshots/screenshot4.png "Tetris High Scores")
+![alt text](https://raw.githubusercontent.com/MichaelS11/tetris/master/screenshots/highscores.png "Tetris High Scores")
 
 ## To do
 

board.go

@@ -13,24 +13,73 @@ func NewBoard() {
 	board.Clear()
 }
 
-// Clear clears the board
+// ChangeBoardSize changes board size
+func ChangeBoardSize(width int, height int) {
+	if board.width == width && board.height == height {
+		return
+	}
+
+	newBoard := &Board{width: width, height: height, boardsIndex: board.boardsIndex}
+	newBoard.colors = make([][]termbox.Attribute, width)
+	for i := 0; i < width; i++ {
+		newBoard.colors[i] = make([]termbox.Attribute, height)
+		for j := 0; j < height; j++ {
+			if i < board.width && j < board.height {
+				newBoard.colors[i][j] = board.colors[i][j]
+			} else {
+				newBoard.colors[i][j] = blankColor
+			}
+		}
+	}
+	newBoard.rotation = make([][]int, width)
+	for i := 0; i < width; i++ {
+		newBoard.rotation[i] = make([]int, height)
+		for j := 0; j < height; j++ {
+			if i < board.width && j < board.height {
+				newBoard.rotation[i][j] = board.rotation[i][j]
+			} else {
+				break
+			}
+		}
+	}
+
+	board = newBoard
+	board.previewMino = NewMino()
+	board.currentMino = NewMino()
+}
+
+// Clear clears the board to orginal state
 func (board *Board) Clear() {
 	board.width = len(boards[board.boardsIndex].colors)
 	board.height = len(boards[board.boardsIndex].colors[0])
-	board.colors = make([][]termbox.Attribute, len(boards[board.boardsIndex].colors))
+	board.colors = make([][]termbox.Attribute, board.width)
-	for i := 0; i < len(boards[board.boardsIndex].colors); i++ {
+	for i := 0; i < board.width; i++ {
-		board.colors[i] = make([]termbox.Attribute, len(boards[board.boardsIndex].colors[i]))
+		board.colors[i] = make([]termbox.Attribute, board.height)
 		copy(board.colors[i], boards[board.boardsIndex].colors[i])
 	}
-	board.rotation = make([][]int, len(boards[board.boardsIndex].rotation))
+	board.rotation = make([][]int, board.width)
-	for i := 0; i < len(boards[board.boardsIndex].rotation); i++ {
+	for i := 0; i < board.width; i++ {
-		board.rotation[i] = make([]int, len(boards[board.boardsIndex].rotation[i]))
+		board.rotation[i] = make([]int, board.height)
 		copy(board.rotation[i], boards[board.boardsIndex].rotation[i])
 	}
 	board.previewMino = NewMino()
 	board.currentMino = NewMino()
 }
 
+// EmptyBoard removes all blocks/colors from the board
+func (board *Board) EmptyBoard() {
+	for i := 0; i < board.width; i++ {
+		for j := 0; j < board.height; j++ {
+			board.colors[i][j] = blankColor
+		}
+	}
+	for i := 0; i < board.width; i++ {
+		for j := 0; j < board.height; j++ {
+			board.rotation[i][j] = 0
+		}
+	}
+}
+
 // PreviousBoard switches to previous board
 func (board *Board) PreviousBoard() {
 	board.boardsIndex--
@@ -247,9 +296,30 @@ func (board *Board) deleteLine(line int) {
 // SetColor sets the color and rotation of board location
 func (board *Board) SetColor(x int, y int, color termbox.Attribute, rotation int) {
 	board.colors[x][y] = color
+	if rotation < 0 {
+		return
+	}
 	board.rotation[x][y] = rotation
 }
 
+// RotateLeft rotates cell left
+func (board *Board) RotateLeft(x int, y int) {
+	if board.rotation[x][y] == 0 {
+		board.rotation[x][y] = 3
+		return
+	}
+	board.rotation[x][y]--
+}
+
+// RotateRight rotates cell right
+func (board *Board) RotateRight(x int, y int) {
+	if board.rotation[x][y] == 3 {
+		board.rotation[x][y] = 0
+		return
+	}
+	board.rotation[x][y]++
+}
+
 // ValidBlockLocation checks if block location is vaild
 func (board *Board) ValidBlockLocation(x int, y int, mustBeOnBoard bool) bool {
 	if x < 0 || x >= board.width || y >= board.height {
@@ -311,6 +381,11 @@ func (board *Board) DrawDropMino() {
 	mino.DrawMino(MinoDrop)
 }
 
+// DrawCursor draws the edit cursor
+func (board *Board) DrawCursor(x int, y int) {
+	view.DrawCursor(x, y, board.colors[x][y])
+}
+
 // printDebugBoard is for printing board in text for debuging
 func (board *Board) printDebugBoard() {
 	for j := 0; j < board.height; j++ {

edit.go

@@ -0,0 +1,207 @@
+package main
+
+import (
+	"time"
+
+	"github.com/nsf/termbox-go"
+)
+
+// NewEdit creates a new edit mode
+func NewEdit() {
+	edit = &Edit{moved: true}
+}
+
+// EnabledEditMode enable edit mode
+func (edit *Edit) EnabledEditMode() {
+	if edit.y > board.height-1 {
+		edit.y = board.height - 1
+	}
+	if edit.x > board.width-1 {
+		edit.x = board.width - 1
+	}
+	edit.moved = true
+}
+
+// DisableEditMode disable edit mode
+func (edit *Edit) DisableEditMode() {
+	err := saveUserBoards()
+	if err != nil {
+		logger.Fatal("error saving user boards:", err)
+	}
+}
+
+// BoardSizeMode changed to board size edit mode
+func (edit *Edit) BoardSizeMode() {
+	edit.width = board.width
+	edit.height = board.height
+	edit.boardSize = true
+}
+
+// BoardWidthIncrement board width increment
+func (edit *Edit) BoardWidthIncrement() {
+	if edit.width > 39 {
+		return
+	}
+	edit.width++
+}
+
+// BoardWidthDecrement board width decrement
+func (edit *Edit) BoardWidthDecrement() {
+	if edit.width < 9 {
+		return
+	}
+	edit.width--
+}
+
+// BoardHeightIncrement board height increment
+func (edit *Edit) BoardHeightIncrement() {
+	if edit.height > 39 {
+		return
+	}
+	edit.height++
+}
+
+// BoardHeightDecrement board height decrement
+func (edit *Edit) BoardHeightDecrement() {
+	if edit.height < 9 {
+		return
+	}
+	edit.height--
+}
+
+// ChangeBoardSize create new board
+func (edit *Edit) ChangeBoardSize() {
+	ChangeBoardSize(edit.width, edit.height)
+	edit.boardSize = false
+}
+
+// EmptyBoard removes all blocks/colors from the board
+func (edit *Edit) EmptyBoard() {
+	board.EmptyBoard()
+}
+
+// CursorUp move cursor up
+func (edit *Edit) CursorUp() {
+	if !edit.moved {
+		edit.moved = true
+	}
+	if edit.y < 1 {
+		return
+	}
+	edit.y--
+}
+
+// CursorDown move cursor down
+func (edit *Edit) CursorDown() {
+	if !edit.moved {
+		edit.moved = true
+	}
+	if edit.y == board.height-1 {
+		return
+	}
+	edit.y++
+}
+
+// CursorRight move cursor right
+func (edit *Edit) CursorRight() {
+	if !edit.moved {
+		edit.moved = true
+	}
+	if edit.x == board.width-1 {
+		return
+	}
+	edit.x++
+}
+
+// CursorLeft move cursor left
+func (edit *Edit) CursorLeft() {
+	if !edit.moved {
+		edit.moved = true
+	}
+	if edit.x < 1 {
+		return
+	}
+	edit.x--
+}
+
+// SetColor sets the board color
+func (edit *Edit) SetColor(color termbox.Attribute) {
+	if edit.moved {
+		edit.moved = false
+	}
+	if edit.saved {
+		edit.saved = false
+	}
+	board.SetColor(edit.x, edit.y, color, -1)
+}
+
+// RotateLeft rotates cell left
+func (edit *Edit) RotateLeft() {
+	if edit.moved {
+		edit.moved = false
+	}
+	if edit.saved {
+		edit.saved = false
+	}
+	board.RotateLeft(edit.x, edit.y)
+}
+
+// RotateRight rotates cell right
+func (edit *Edit) RotateRight() {
+	if edit.moved {
+		edit.moved = false
+	}
+	if edit.saved {
+		edit.saved = false
+	}
+	board.RotateRight(edit.x, edit.y)
+}
+
+// DrawCursor draws the cursor location when cursor moves
+func (edit *Edit) DrawCursor() {
+	if !edit.moved {
+		return
+	}
+	board.DrawCursor(edit.x, edit.y)
+}
+
+// SaveBoard save board
+func (edit *Edit) SaveBoard() {
+	if board.boardsIndex < numInternalBoards {
+		edit.SaveBoardNew()
+		return
+	}
+	boards[board.boardsIndex].colors = board.colors
+	boards[board.boardsIndex].rotation = board.rotation
+	if !edit.saved {
+		edit.saved = true
+	}
+}
+
+// SaveBoardNew save board as new board
+func (edit *Edit) SaveBoardNew() {
+	aBoards := Boards{name: time.Now().Format("Jan 2 3:4:5")}
+	aBoards.colors = make([][]termbox.Attribute, len(board.colors))
+	for i := 0; i < len(board.colors); i++ {
+		aBoards.colors[i] = append(aBoards.colors[i], board.colors[i]...)
+	}
+	aBoards.rotation = make([][]int, len(board.rotation))
+	for i := 0; i < len(board.rotation); i++ {
+		aBoards.rotation[i] = append(aBoards.rotation[i], board.rotation[i]...)
+	}
+	boards = append(boards, aBoards)
+	board.boardsIndex = len(boards) - 1
+	if !edit.saved {
+		edit.saved = true
+	}
+}
+
+// DeleteBoard deletes a board
+func (edit *Edit) DeleteBoard() {
+	if board.boardsIndex < numInternalBoards {
+		return
+	}
+	boards = append(boards[:board.boardsIndex], boards[board.boardsIndex+1:]...)
+	board.boardsIndex--
+	board.Clear()
+}

engine.go

@@ -48,7 +48,7 @@ loop:
 				engine.tick()
 			case <-engine.aiTimer.C:
 				engine.ai.ProcessQueue()
-				engine.aiTimer.Reset(engine.tickTime / 6)
+				engine.aiTimer.Reset(engine.tickTime / aiTickDivider)
 			case <-engine.chanStop:
 				break loop
 			}
@@ -93,7 +93,7 @@ func (engine *Engine) Pause() {
 func (engine *Engine) UnPause() {
 	engine.timer.Reset(engine.tickTime)
 	if engine.aiEnabled {
-		engine.aiTimer.Reset(engine.tickTime / 6)
+		engine.aiTimer.Reset(engine.tickTime / aiTickDivider)
 	}
 	engine.paused = false
 }
@@ -246,7 +246,7 @@ loop:
 func (engine *Engine) EnabledAi() {
 	engine.aiEnabled = true
 	go engine.ai.GetBestQueue()
-	engine.aiTimer.Reset(engine.tickTime / 6)
+	engine.aiTimer.Reset(engine.tickTime / aiTickDivider)
 }
 
 // DisableAi disables the AI
@@ -259,3 +259,15 @@ func (engine *Engine) DisableAi() {
 		}
 	}
 }
+
+// EnabledEditMode enables edit mode
+func (engine *Engine) EnabledEditMode() {
+	edit.EnabledEditMode()
+	engine.editMode = true
+}
+
+// DisableEditMode disables edit mode
+func (engine *Engine) DisableEditMode() {
+	edit.DisableEditMode()
+	engine.editMode = false
+}

globals.go

@@ -11,7 +11,9 @@ const (
 	blankColor       = termbox.ColorBlack
 	boardXOffset     = 4
 	boardYOffset     = 2
-	rankingFileName = "/tetris.db"
+	aiTickDivider    = 8
+	rankingFileName  = "/go-tetris.db"
+	settingsFileName = "/go-tetris.json"
 
 	// MinoPreview is for the preview mino
 	MinoPreview MinoType = iota
@@ -57,12 +59,20 @@ type (
 		dropDistance int
 	}
 
-	// Boards holds all the premade boards
+	// Boards holds all the boards
 	Boards struct {
+		name     string
 		colors   [][]termbox.Attribute
 		rotation [][]int
 	}
 
+	// BoardsJSON is for JSON format of boards
+	BoardsJSON struct {
+		Name     string
+		Mino     [][]string
+		Rotation [][]int
+	}
+
 	// KeyInput is the key input engine
 	KeyInput struct {
 		stopped      bool
@@ -103,16 +113,35 @@ type (
 		ai           *Ai
 		aiEnabled    bool
 		aiTimer      *time.Timer
+		editMode     bool
+	}
+
+	// Edit is the board edit mode
+	Edit struct {
+		x         int
+		y         int
+		moved     bool
+		boardSize bool
+		width     int
+		height    int
+		saved     bool
+	}
+
+	// Settings is the JSON load/save file
+	Settings struct {
+		Boards []BoardsJSON
 	}
 )
 
 var (
-	boards []Boards
-
 	baseDir string
 	logger  *log.Logger
 	minos   *Minos
 	board   *Board
 	view    *View
 	engine  *Engine
+	edit    *Edit
+
+	boards            []Boards
+	numInternalBoards int
 )

keyInput.go

@@ -40,7 +40,7 @@ loop:
 
 // ProcessEvent process the key input event
 func (keyInput *KeyInput) ProcessEvent(event *termbox.Event) {
-	if event.Key == termbox.KeyCtrlI {
+	if event.Key == termbox.KeyCtrlL {
 		// Ctrl l (lower case L) to log stack trace
 		buffer := make([]byte, 1<<16)
 		length := runtime.Stack(buffer, true)
@@ -49,6 +49,73 @@ func (keyInput *KeyInput) ProcessEvent(event *termbox.Event) {
 		return
 	}
 
+	if engine.editMode {
+		if edit.boardSize {
+			switch event.Ch {
+			case 0:
+				switch event.Key {
+				case termbox.KeyArrowUp:
+					edit.BoardHeightIncrement()
+				case termbox.KeyArrowDown:
+					edit.BoardHeightDecrement()
+				case termbox.KeyArrowLeft:
+					edit.BoardWidthDecrement()
+				case termbox.KeyArrowRight:
+					edit.BoardWidthIncrement()
+				}
+			case 'q':
+				edit.ChangeBoardSize()
+			}
+		} else {
+			switch event.Ch {
+			case 0:
+				switch event.Key {
+				case termbox.KeyArrowUp:
+					edit.CursorUp()
+				case termbox.KeyArrowDown:
+					edit.CursorDown()
+				case termbox.KeyArrowLeft:
+					edit.CursorLeft()
+				case termbox.KeyArrowRight:
+					edit.CursorRight()
+				case termbox.KeyCtrlB:
+					edit.BoardSizeMode()
+				case termbox.KeyCtrlS:
+					edit.SaveBoard()
+				case termbox.KeyCtrlN:
+					edit.SaveBoardNew()
+				case termbox.KeyCtrlK:
+					edit.DeleteBoard()
+				case termbox.KeyCtrlO:
+					edit.EmptyBoard()
+				case termbox.KeyCtrlQ, termbox.KeyCtrlC:
+					engine.DisableEditMode()
+				}
+			case 'c':
+				edit.SetColor(termbox.ColorCyan)
+			case 'b':
+				edit.SetColor(termbox.ColorBlue)
+			case 'w':
+				edit.SetColor(termbox.ColorWhite)
+			case 'e':
+				edit.SetColor(termbox.ColorYellow)
+			case 'g':
+				edit.SetColor(termbox.ColorGreen)
+			case 'a':
+				edit.SetColor(termbox.ColorMagenta)
+			case 'r':
+				edit.SetColor(termbox.ColorRed)
+			case 'f':
+				edit.SetColor(blankColor)
+			case 'z':
+				edit.RotateLeft()
+			case 'x':
+				edit.RotateRight()
+			}
+		}
+		return
+	}
+
 	if event.Ch == 'q' || event.Key == termbox.KeyCtrlC {
 		if !keyInput.stopped {
 			keyInput.stopped = true
@@ -67,6 +134,8 @@ func (keyInput *KeyInput) ProcessEvent(event *termbox.Event) {
 				board.PreviousBoard()
 			case termbox.KeyArrowRight:
 				board.NextBoard()
+			case termbox.KeyCtrlE:
+				engine.EnabledEditMode()
 			}
 		}
 		return
@@ -89,7 +158,8 @@ func (keyInput *KeyInput) ProcessEvent(event *termbox.Event) {
 		return
 	}
 
-	if event.Ch == 0 {
+	switch event.Ch {
+	case 0:
 		switch event.Key {
 		case termbox.KeySpace:
 			board.MinoDrop()
@@ -102,8 +172,6 @@ func (keyInput *KeyInput) ProcessEvent(event *termbox.Event) {
 		case termbox.KeyArrowRight:
 			board.MinoMoveRight()
 		}
-	} else {
-		switch event.Ch {
 	case 'z':
 		board.MinoRotateLeft()
 	case 'x':
@@ -113,6 +181,5 @@ func (keyInput *KeyInput) ProcessEvent(event *termbox.Event) {
 	case 'i':
 		engine.EnabledAi()
 	}
-	}
 
 }

mino_test.go

@@ -24,6 +24,11 @@ func setupForTesting() {
 
 	rand.Seed(1)
 
+	err := loadBoards()
+	if err != nil {
+		log.Fatal("error loading boards:", err)
+	}
+
 	NewMinos()
 	NewBoard()
 	NewEngine()

tetris.go

@@ -13,20 +13,30 @@ func main() {
 	logger = log.New(os.Stderr, "", log.Ldate|log.Ltime|log.LUTC|log.Llongfile)
 	logFile, err := os.OpenFile(baseDir+"/go-tetris.log", os.O_RDWR|os.O_CREATE|os.O_APPEND, 0644)
 	if err != nil {
-		log.Fatal("error opening logFile:", err)
+		logger.Fatal("error opening log file:", err)
 	}
 	defer logFile.Close()
 	logger.SetOutput(logFile)
 
 	rand.Seed(time.Now().UnixNano())
 
+	err = loadBoards()
+	if err != nil {
+		logger.Fatal("error loading internal boards:", err)
+	}
+
+	err = loadUserBoards()
+	if err != nil {
+		logger.Fatal("error loading user boards:", err)
+	}
+
 	NewMinos()
 	NewBoard()
 	NewView()
 	NewEngine()
+	NewEdit()
 
 	engine.Run()
 
 	view.Stop()
-
 }

view.go

@@ -32,29 +32,53 @@ func (view *View) Stop() {
 func (view *View) RefreshScreen() {
 	termbox.Clear(termbox.ColorDefault, termbox.ColorDefault)
 
-	view.drawBackground()
+	view.drawBoardBoarder()
+
+	if engine.editMode {
+		if edit.boardSize {
+			board.DrawBoard()
+			view.drawEditTextsBoardSize()
+		} else {
+			board.DrawBoard()
+			edit.DrawCursor()
+			view.drawEditTexts()
+		}
+		termbox.Flush()
+		return
+	}
+
+	view.drawPreviewBoarder()
 	view.drawTexts()
 
 	if engine.previewBoard {
 		board.DrawBoard()
 		view.drawGameOver()
-	} else if engine.gameOver {
+		termbox.Flush()
+		return
+	}
+
+	if engine.gameOver {
 		view.drawGameOver()
 		view.drawRankingScores()
-	} else if engine.paused {
+		termbox.Flush()
+		return
+	}
+
+	if engine.paused {
 		view.drawPaused()
-	} else {
+		termbox.Flush()
+		return
+	}
+
 	board.DrawBoard()
 	board.DrawPreviewMino()
 	board.DrawDropMino()
 	board.DrawCurrentMino()
-	}
-
 	termbox.Flush()
 }
 
-// drawBackground draws the background
+// drawBoard draws the board boarder
-func (view *View) drawBackground() {
+func (view *View) drawBoardBoarder() {
 	// playing board
 	xOffset := boardXOffset
 	yOffset := boardYOffset
@@ -70,12 +94,14 @@ func (view *View) drawBackground() {
 			}
 		}
 	}
+}
 
-	// piece preview
+// drawPreviewBoarder draws the preview boarder
-	xOffset = boardXOffset + board.width*2 + 8
+func (view *View) drawPreviewBoarder() {
-	yOffset = boardYOffset
+	xOffset := boardXOffset + board.width*2 + 8
-	xEnd = xOffset + 14
+	yOffset := boardYOffset
-	yEnd = yOffset + 6
+	xEnd := xOffset + 14
+	yEnd := yOffset + 6
 	for x := xOffset; x < xEnd; x++ {
 		for y := yOffset; y < yEnd; y++ {
 			if x == xOffset || x == xOffset+1 || x == xEnd-1 || x == xEnd-2 ||
@@ -112,10 +138,6 @@ func (view *View) drawTexts() {
 	// ascii arrow characters add extra two spaces
 	view.drawText(xOffset, yOffset, "←  - left", termbox.ColorWhite, termbox.ColorBlack)
 	yOffset++
-	view.drawText(xOffset, yOffset, "z    - rotate left", termbox.ColorWhite, termbox.ColorBlack)
-	yOffset++
-	view.drawText(xOffset, yOffset, "x    - rotate right", termbox.ColorWhite, termbox.ColorBlack)
-	yOffset++
 	view.drawText(xOffset, yOffset, "→  - right", termbox.ColorWhite, termbox.ColorBlack)
 	yOffset++
 	view.drawText(xOffset, yOffset, "↓  - soft drop", termbox.ColorWhite, termbox.ColorBlack)
@@ -124,21 +146,116 @@ func (view *View) drawTexts() {
 	yOffset++
 	view.drawText(xOffset, yOffset, "sbar - hard drop", termbox.ColorWhite, termbox.ColorBlack)
 	yOffset++
+	view.drawText(xOffset, yOffset, "z    - rotate left", termbox.ColorWhite, termbox.ColorBlack)
+	yOffset++
+	view.drawText(xOffset, yOffset, "x    - rotate right", termbox.ColorWhite, termbox.ColorBlack)
+	yOffset++
 	view.drawText(xOffset, yOffset, "p    - pause", termbox.ColorWhite, termbox.ColorBlack)
 	yOffset++
 	view.drawText(xOffset, yOffset, "q    - quit", termbox.ColorWhite, termbox.ColorBlack)
 }
 
+// drawEditTexts draws the edit text
+func (view *View) drawEditTexts() {
+	xOffset := boardXOffset + board.width*2 + 8
+	yOffset := boardYOffset
+
+	view.drawText(xOffset, yOffset, "Name:", termbox.ColorWhite, termbox.ColorBlue)
+	view.drawText(xOffset+7, yOffset, boards[board.boardsIndex].name, termbox.ColorBlack, termbox.ColorWhite)
+	yOffset++
+	view.drawText(xOffset, yOffset, "Saved:", termbox.ColorWhite, termbox.ColorBlue)
+	if edit.saved {
+		view.drawText(xOffset+7, yOffset, "yes", termbox.ColorBlack, termbox.ColorWhite)
+	} else {
+		view.drawText(xOffset+7, yOffset, "no", termbox.ColorBlack, termbox.ColorWhite)
+	}
+
+	yOffset += 2
+
+	// ascii arrow characters add extra two spaces
+	view.drawText(xOffset, yOffset, "← - left", termbox.ColorWhite, termbox.ColorBlack)
+	yOffset++
+	view.drawText(xOffset, yOffset, "→ - right", termbox.ColorWhite, termbox.ColorBlack)
+	yOffset++
+	view.drawText(xOffset, yOffset, "↓ - down", termbox.ColorWhite, termbox.ColorBlack)
+	yOffset++
+	view.drawText(xOffset, yOffset, "↑ - up", termbox.ColorWhite, termbox.ColorBlack)
+	yOffset++
+	view.drawText(xOffset, yOffset, "z   - rotate left", termbox.ColorWhite, termbox.ColorBlack)
+	yOffset++
+	view.drawText(xOffset, yOffset, "x   - rotate right", termbox.ColorWhite, termbox.ColorBlack)
+	yOffset++
+	view.drawText(xOffset, yOffset, "c   - cyan", termbox.ColorWhite, termbox.ColorBlack)
+	yOffset++
+	view.drawText(xOffset, yOffset, "b   - blue", termbox.ColorWhite, termbox.ColorBlack)
+	yOffset++
+	view.drawText(xOffset, yOffset, "w   - white", termbox.ColorWhite, termbox.ColorBlack)
+	yOffset++
+	view.drawText(xOffset, yOffset, "e   - yellow", termbox.ColorWhite, termbox.ColorBlack)
+	yOffset++
+	view.drawText(xOffset, yOffset, "g   - green", termbox.ColorWhite, termbox.ColorBlack)
+	yOffset++
+	view.drawText(xOffset, yOffset, "a   - magenta", termbox.ColorWhite, termbox.ColorBlack)
+	yOffset++
+	view.drawText(xOffset, yOffset, "r   - red", termbox.ColorWhite, termbox.ColorBlack)
+	yOffset++
+	view.drawText(xOffset, yOffset, "f   - free", termbox.ColorWhite, termbox.ColorBlack)
+	yOffset++
+	view.drawText(xOffset, yOffset, "ctrl b - change board size", termbox.ColorWhite, termbox.ColorBlack)
+	yOffset++
+	view.drawText(xOffset, yOffset, "ctrl s - save board", termbox.ColorWhite, termbox.ColorBlack)
+	yOffset++
+	view.drawText(xOffset, yOffset, "ctrl n - save board as new", termbox.ColorWhite, termbox.ColorBlack)
+	yOffset++
+	view.drawText(xOffset, yOffset, "ctrl k - delete board", termbox.ColorWhite, termbox.ColorBlack)
+	yOffset++
+	view.drawText(xOffset, yOffset, "ctrl o - empty board", termbox.ColorWhite, termbox.ColorBlack)
+	yOffset++
+	view.drawText(xOffset, yOffset, "ctrl q - quit", termbox.ColorWhite, termbox.ColorBlack)
+}
+
+// drawEditTextsBoardSize draws the edit text for board size mode
+func (view *View) drawEditTextsBoardSize() {
+	xOffset := boardXOffset + board.width*2 + 8
+	yOffset := boardYOffset
+
+	view.drawText(xOffset, yOffset, "Name:", termbox.ColorWhite, termbox.ColorBlue)
+	view.drawText(xOffset+7, yOffset, boards[board.boardsIndex].name, termbox.ColorBlack, termbox.ColorWhite)
+
+	yOffset += 2
+
+	view.drawText(xOffset, yOffset, "Size:", termbox.ColorWhite, termbox.ColorBlue)
+	view.drawText(xOffset+7, yOffset, fmt.Sprintf("%2d X %2d", edit.width, edit.height), termbox.ColorBlack, termbox.ColorWhite)
+
+	yOffset += 2
+
+	// ascii arrow characters add extra two spaces
+	view.drawText(xOffset, yOffset, "← - board width decrement", termbox.ColorWhite, termbox.ColorBlack)
+	yOffset++
+	view.drawText(xOffset, yOffset, "→ - board width increment", termbox.ColorWhite, termbox.ColorBlack)
+	yOffset++
+	view.drawText(xOffset, yOffset, "↓ - board height decrement", termbox.ColorWhite, termbox.ColorBlack)
+	yOffset++
+	view.drawText(xOffset, yOffset, "↑ - board height increment", termbox.ColorWhite, termbox.ColorBlack)
+	yOffset++
+	view.drawText(xOffset, yOffset, "q   - done", termbox.ColorWhite, termbox.ColorBlack)
+}
+
 // DrawPreviewMinoBlock draws the preview mino
 func (view *View) DrawPreviewMinoBlock(x int, y int, color termbox.Attribute, rotation int, length int) {
-	var char1 rune
+	char1 := ' '
-	var char2 rune
+	char2 := ' '
-	if rotation < 2 {
+	switch rotation {
-		char1 = '▓'
+	case 0:
-		char2 = ' '
+		char1 = '▄'
-	} else {
+		char2 = '▄'
-		char1 = ' '
+	case 1:
-		char2 = '▓'
+		char1 = '█'
+	case 2:
+		char1 = '▀'
+		char2 = '▀'
+	case 3:
+		char2 = '█'
 	}
 	xOffset := 2*x + 2*board.width + boardXOffset + 11 + (4 - length)
 	termbox.SetCell(xOffset, y+boardYOffset+2, char1, color, color^termbox.AttrBold)
@@ -147,14 +264,19 @@ func (view *View) DrawPreviewMinoBlock(x int, y int, color termbox.Attribute, ro
 
 // DrawBlock draws a block
 func (view *View) DrawBlock(x int, y int, color termbox.Attribute, rotation int) {
-	var char1 rune
+	char1 := ' '
-	var char2 rune
+	char2 := ' '
-	if rotation < 2 {
+	switch rotation {
-		char1 = '▓'
+	case 0:
-		char2 = ' '
+		char1 = '▄'
-	} else {
+		char2 = '▄'
-		char1 = ' '
+	case 1:
-		char2 = '▓'
+		char1 = '█'
+	case 2:
+		char1 = '▀'
+		char2 = '▀'
+	case 3:
+		char2 = '█'
 	}
 	if color == blankColor {
 		// blankColor means drop Mino
@@ -304,3 +426,10 @@ func (view *View) colorizeLine(y int, color termbox.Attribute) {
 		termbox.SetCell(x*2+boardXOffset+3, y+boardYOffset+1, ' ', termbox.ColorDefault, color)
 	}
 }
+
+// DrawCursor draws current cursor location
+func (view *View) DrawCursor(x int, y int, color termbox.Attribute) {
+	termbox.SetCell(x*2+boardXOffset+2, y+boardYOffset+1, '◄', color^termbox.AttrBold, termbox.ColorBlack^termbox.AttrBold)
+	termbox.SetCell(x*2+boardXOffset+3, y+boardYOffset+1, '►', color^termbox.AttrBold, termbox.ColorBlack^termbox.AttrBold)
+	termbox.Flush()
+}