add: new tictactoe game

add: testing to tictactoe rename: tictactoe add: tictactoe steps refactor: tictactoe const names refactor: tictactoe loop add: tictactoe bad switch example (fallthrough) refactor: tictactoe loop skin remove: tictactoe changable skin refactor: tictactoe all remove: tictactoe unnecessary base dir add: tictactoe slices add: tictactoe slices remove: tictactoe fallthrough rename: tictactoe slices 10 -> 09 update: loops skin tictactoe add: tictactoe randomization add: tictactoe infinite loop and labeled break refactor: tictactoe rand and infinite loop add: tictactoe buggy winning algo add: tictactoe more tests rename: tictactoe wrongPlay to wrongMove add: tictactoe even more tests fix: tictactoe rename: tictactoe waitForInput to wait add: tictactoe os.args gameSpeed remove: tictactoe unnecessary files rename: tictactoe game messages refactor: tictactoe main loop add: types and arrays
2019-07-27 18:16:17 +03:00
parent e191567e1f
commit eb8f9987a8
97 changed files with 3457 additions and 3 deletions
--- a/x-tba/tictactoe/13-detect-winning/main.go
+++ b/x-tba/tictactoe/13-detect-winning/main.go
@@ -0,0 +1,124 @@
+package main
+
+import "fmt"
+
+/*
+~ TICTACTOE GAME IN GO ~
+ This example uses the very basics of the Go language.
+ The goal is learning all the basics.
+*/
+
+const maxTurns = 9
+
+var (
+	won, tie bool      // is there any winner or a tie?
+	turn     int       // total valid turns played
+	player   = player1 // current player
+
+	cells     [maxTurns]string // used to draw the board: contains the players' moves
+	lastPos   int              // last played position
+	wrongMove bool             // was the last move wrong?
+)
+
+//
+// VERSION 2: HELPER FUNC
+//
+func main() {
+	printBoard()
+	wait()
+
+	for nextTurn() {
+		wait()
+	}
+
+	// loop forever until the game ends (tie or win)
+	// for {
+	// 	// wait()
+	// 	if !nextTurn() {
+	// 		break
+	// 	}
+	// }
+}
+
+func nextTurn() bool {
+	play()
+	printBoard()
+
+	fmt.Printf("\n>>> PLAYER %q PLAYS to %d\n", player, lastPos+1)
+
+	// the switch below is about winning and tie conditions.
+	// so it is good have checkWinOrTie() as a simple statement.
+	// totally optional.
+	switch checkWinOrTie(); {
+	default:
+		switchPlayer()
+		printStatus()
+
+	case wrongMove:
+		fmt.Printf(">>> CELL IS OCCUPIED: PLAY AGAIN!\n")
+		wrongMove = false // reset for the next turn
+
+	case won, tie:
+		if won {
+			fmt.Println(">>> WINNER:", player)
+		} else {
+			fmt.Println(">>> TIE!")
+		}
+		return false
+	}
+	return true
+}
+
+//
+// VERSION 1: LABELED BREAK
+//
+// func main() {
+// 	printBoard()
+
+// 	// this a label: it can be used by break, continue and goto
+// theGameLoop:
+// 	// loop forever until game ends (tie or win)
+// 	for {
+// 		// wait()
+// 		play()
+// 		printBoard()
+
+// 		fmt.Printf("\n>>> PLAYER %q PLAYS to %d\n", player, lastPos+1)
+
+// 		// the switch below is about winning and tie conditions.
+// 		// so it is good have checkWinOrTie() as a simple statement.
+// 		// totally optional.
+// 		switch checkWinOrTie(); {
+// 		default:
+// 			printStatus()
+
+// 		case wrongMove:
+// 			fmt.Printf(">>> CELL IS OCCUPIED: PLAY AGAIN!\n")
+// 			wrongMove = false // reset for the next turn
+
+// 		case won, tie:
+// 			if won {
+// 				fmt.Println(">>> WINNER:", player)
+// 			} else {
+// 				fmt.Println(">>> TIE!")
+// 			}
+// 			break theGameLoop
+// 		}
+// 	}
+// }
+
+func wait() {
+	fmt.Println()
+	fmt.Scanln()
+}
+
+// printStatus prints the current status of the game
+// it cannot access to the names (vars, consts, etc) inside any other func
+func printStatus() {
+	fmt.Println()
+
+	progress := (1 - (float64(turn) / maxTurns)) * 100
+	fmt.Printf("Current Turn           : %d\n", turn)
+	fmt.Printf("Is there a winner      : %t\n", won)
+	fmt.Printf("Turns left             : %.1f%%\n", progress)
+}