Added go implementation of Bombardment

00_Alternate_Languages/11_Bombardment/go/main.go

@@ -0,0 +1,181 @@
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"math/rand"
+	"os"
+	"strconv"
+	"strings"
+	"time"
+)
+
+// Messages correspond to outposts remaining (3, 2, 1, 0)
+var PLAYER_PROGRESS_MESSAGES = []string{
+	"YOU GOT ME, I'M GOING FAST. BUT I'LL GET YOU WHEN\nMY TRANSISTO&S RECUP%RA*E!",
+	"THREE DOWN, ONE TO GO.\n\n",
+	"TWO DOWN, TWO TO GO.\n\n",
+	"ONE DOWN, THREE TO GO.\n\n",
+}
+
+var ENEMY_PROGRESS_MESSAGES = []string{
+	"YOU'RE DEAD. YOUR LAST OUTPOST WAS AT %d. HA, HA, HA.\nBETTER LUCK NEXT TIME.",
+	"YOU HAVE ONLY ONE OUTPOST LEFT.\n\n",
+	"YOU HAVE ONLY TWO OUTPOSTS LEFT.\n\n",
+	"YOU HAVE ONLY THREE OUTPOSTS LEFT.\n\n",
+}
+
+func displayField() {
+	for r := 0; r < 5; r++ {
+		initial := r*5 + 1
+		for c := 0; c < 5; c++ {
+			//x := strconv.Itoa(initial + c)
+			fmt.Printf("\t%d", initial+c)
+		}
+		fmt.Println()
+	}
+	fmt.Print("\n\n\n\n\n\n\n\n\n")
+}
+
+func printIntro() {
+	fmt.Println("                                BOMBARDMENT")
+	fmt.Println("                CREATIVE COMPUTING  MORRISTOWN, NEW JERSEY")
+	fmt.Println()
+	fmt.Println()
+	fmt.Println("YOU ARE ON A BATTLEFIELD WITH 4 PLATOONS AND YOU")
+	fmt.Println("HAVE 25 OUTPOSTS AVAILABLE WHERE THEY MAY BE PLACED.")
+	fmt.Println("YOU CAN ONLY PLACE ONE PLATOON AT ANY ONE OUTPOST.")
+	fmt.Println("THE COMPUTER DOES THE SAME WITH ITS FOUR PLATOONS.")
+	fmt.Println()
+	fmt.Println("THE OBJECT OF THE GAME IS TO FIRE MISSLES AT THE")
+	fmt.Println("OUTPOSTS OF THE COMPUTER.  IT WILL DO THE SAME TO YOU.")
+	fmt.Println("THE ONE WHO DESTROYS ALL FOUR OF THE ENEMY'S PLATOONS")
+	fmt.Println("FIRST IS THE WINNER.")
+	fmt.Println()
+	fmt.Println("GOOD LUCK... AND TELL US WHERE YOU WANT THE BODIES SENT!")
+	fmt.Println()
+	fmt.Println("TEAR OFF MATRIX AND USE IT TO CHECK OFF THE NUMBERS.")
+	fmt.Print("\n\n\n\n")
+}
+
+func positionList() []int {
+	positions := make([]int, 25)
+	for i := 0; i < 25; i++ {
+		positions[i] = i + 1
+	}
+	return positions
+}
+
+// Randomly choose 4 'positions' out of a range of 1 to 25
+func generateEnemyPositions() []int {
+	positions := positionList()
+	rand.Shuffle(len(positions), func(i, j int) { positions[i], positions[j] = positions[j], positions[i] })
+	return positions[:4]
+}
+
+func isValidPosition(p int) bool {
+	return p >= 1 && p <= 25
+}
+
+func promptForPlayerPositions() []int {
+	scanner := bufio.NewScanner(os.Stdin)
+	var positions []int
+
+	for {
+		fmt.Println("\nWHAT ARE YOUR FOUR POSITIONS (1-25)?")
+		scanner.Scan()
+		rawPositions := strings.Split(scanner.Text(), " ")
+
+		if len(rawPositions) != 4 {
+			fmt.Println("PLEASE ENTER FOUR UNIQUE POSITIONS")
+			goto there
+		}
+
+		for _, p := range rawPositions {
+			pos, err := strconv.Atoi(p)
+			if (err != nil) || !isValidPosition(pos) {
+				fmt.Println("ALL POSITIONS MUST RANGE (1-25)")
+				goto there
+			}
+			positions = append(positions, pos)
+		}
+		if len(positions) == 4 {
+			return positions
+		}
+
+	there:
+	}
+}
+
+func promptPlayerForTarget() int {
+	scanner := bufio.NewScanner(os.Stdin)
+
+	for {
+		fmt.Println("\nWHERE DO YOU WISH TO FIRE YOUR MISSILE?")
+		scanner.Scan()
+		target, err := strconv.Atoi(scanner.Text())
+
+		if (err != nil) || !isValidPosition(target) {
+			fmt.Println("POSITIONS MUST RANGE (1-25)")
+			continue
+		}
+		return target
+	}
+}
+
+func generateAttackSequence() []int {
+	positions := positionList()
+	rand.Shuffle(len(positions), func(i, j int) { positions[i], positions[j] = positions[j], positions[i] })
+	return positions
+}
+
+// Performs attack procedure returning True if we are to continue.
+func attack(target int, positions *[]int, hitMsg, missMsg string, progressMsg []string) bool {
+	for i := 0; i < len(*positions); i++ {
+		if target == (*positions)[i] {
+			fmt.Print(hitMsg)
+
+			// remove the target just hit
+			(*positions)[i] = (*positions)[len((*positions))-1]
+			(*positions)[len((*positions))-1] = 0
+			(*positions) = (*positions)[:len((*positions))-1]
+
+			if len((*positions)) != 0 {
+				fmt.Print(progressMsg[len((*positions))])
+			} else {
+				fmt.Printf(progressMsg[len((*positions))], target)
+			}
+			return len((*positions)) > 0
+		}
+	}
+	fmt.Print(missMsg)
+	return len((*positions)) > 0
+}
+
+func main() {
+	rand.Seed(time.Now().UnixNano())
+
+	printIntro()
+	displayField()
+
+	enemyPositions := generateEnemyPositions()
+	enemyAttacks := generateAttackSequence()
+	enemyAttackCounter := 0
+
+	playerPositions := promptForPlayerPositions()
+
+	for {
+		// player attacks
+		if !attack(promptPlayerForTarget(), &enemyPositions, "YOU GOT ONE OF MY OUTPOSTS!\n\n", "HA, HA YOU MISSED. MY TURN NOW:\n\n", PLAYER_PROGRESS_MESSAGES) {
+			break
+		}
+		// computer attacks
+		hitMsg := fmt.Sprintf("I GOT YOU. IT WON'T BE LONG NOW. POST %d WAS HIT.\n", enemyAttacks[enemyAttackCounter])
+		missMsg := fmt.Sprintf("I MISSED YOU, YOU DIRTY RAT. I PICKED %d. YOUR TURN:\n\n", enemyAttacks[enemyAttackCounter])
+		if !attack(enemyAttacks[enemyAttackCounter], &playerPositions, hitMsg, missMsg, ENEMY_PROGRESS_MESSAGES) {
+			break
+		}
+		enemyAttackCounter += 1
+	}
+
+}