+ * Based on the BASIC game of Combat here + * https://github.com/coding-horror/basic-computer-games/blob/main/28%20Combat/combat.bas + *
+ * Note: The idea was to create a version of the 1970's BASIC game in Java, without introducing + * new features - no additional text, error checking, etc has been added. + * + * Converted from BASIC to Java by Darren Cardenas. + */ + +public class Combat { + + private static final int MAX_UNITS = 72000; // Maximum number of total units per player + + private final Scanner scan; // For user input + + private boolean planeCrashWin = false; + + private int usrArmy = 0; // Number of user Army units + private int usrNavy = 0; // Number of user Navy units + private int usrAir = 0; // Number of user Air Force units + private int cpuArmy = 30000; // Number of cpu Army units + private int cpuNavy = 20000; // Number of cpu Navy units + private int cpuAir = 22000; // Number of cpu Air Force units + + public Combat() { + + scan = new Scanner(System.in); + + } // End of constructor Combat + + public void play() { + + showIntro(); + getForces(); + attackFirst(); + attackSecond(); + + } // End of method play + + private static void showIntro() { + + System.out.println(" ".repeat(32) + "COMBAT"); + System.out.println(" ".repeat(14) + "CREATIVE COMPUTING MORRISTOWN, NEW JERSEY"); + System.out.println("\n\n"); + System.out.println("I AM AT WAR WITH YOU."); + System.out.println("WE HAVE " + MAX_UNITS + " SOLDIERS APIECE.\n"); + + } // End of method showIntro + + private void getForces() { + + do { + System.out.println("DISTRIBUTE YOUR FORCES."); + System.out.println(" ME YOU"); + System.out.print("ARMY " + cpuArmy + " ? "); + usrArmy = scan.nextInt(); + System.out.print("NAVY " + cpuNavy + " ? "); + usrNavy = scan.nextInt(); + System.out.print("A. F. " + cpuAir + " ? "); + usrAir = scan.nextInt(); + + } while ((usrArmy + usrNavy + usrAir) > MAX_UNITS); // Avoid exceeding the maximum number of total units + + } // End of method getForces + + private void attackFirst() { + + int numUnits = 0; + int unitType = 0; + + do { + System.out.println("YOU ATTACK FIRST. TYPE (1) FOR ARMY; (2) FOR NAVY;"); + System.out.println("AND (3) FOR AIR FORCE."); + System.out.print("? "); + unitType = scan.nextInt(); + } while ((unitType < 1) || (unitType > 3)); // Avoid out-of-range values + + do { + System.out.println("HOW MANY MEN"); + System.out.print("? "); + numUnits = scan.nextInt(); + } while ((numUnits < 0) || // Avoid negative values + ((unitType == 1) && (numUnits > usrArmy)) || // Avoid exceeding the number of available Army units + ((unitType == 2) && (numUnits > usrNavy)) || // Avoid exceeding the number of available Navy units + ((unitType == 3) && (numUnits > usrAir))); // Avoid exceeding the number of available Air Force units + + // Begin handling deployment type + switch (unitType) { + case 1: // Army deployed + + if (numUnits < (usrArmy / 3.0)) { // User deployed less than one-third of their Army units + System.out.println("YOU LOST " + numUnits + " MEN FROM YOUR ARMY."); + usrArmy = usrArmy - numUnits; + } + else if (numUnits < (2.0 * usrArmy / 3.0)) { // User deployed less than two-thirds of their Army units + System.out.println("YOU LOST " + (int) Math.floor(numUnits / 3.0) + " MEN, BUT I LOST " + (int) Math.floor(2.0 * cpuArmy / 3.0)); + usrArmy = (int) Math.floor(usrArmy - numUnits / 3.0); + cpuArmy = 0; + } + else { // User deployed two-thirds or more of their Army units + System.out.println("YOU SUNK ONE OF MY PATROL BOATS, BUT I WIPED OUT TWO"); + System.out.println("OF YOUR AIR FORCE BASES AND 3 ARMY BASES."); + usrArmy = (int) Math.floor(usrArmy / 3.0); + usrAir = (int) Math.floor(usrAir / 3.0); + cpuNavy = (int) Math.floor(2.0 * cpuNavy / 3.0); + } + break; + + case 2: // Navy deployed + + if (numUnits < (cpuNavy / 3.0)) { // User deployed less than one-third relative to cpu Navy units + System.out.println("YOUR ATTACK WAS STOPPED!"); + usrNavy = usrNavy - numUnits; + } + else if (numUnits < (2.0 * cpuNavy / 3.0)) { // User deployed less than two-thirds relative to cpu Navy units + System.out.println("YOU DESTROYED " + (int) Math.floor(2.0 * cpuNavy / 3.0) + " OF MY ARMY."); + cpuNavy = (int) Math.floor(cpuNavy / 3.0); + } + else { // User deployed two-thirds or more relative to cpu Navy units + System.out.println("YOU SUNK ONE OF MY PATROL BOATS, BUT I WIPED OUT TWO"); + System.out.println("OF YOUR AIR FORCE BASES AND 3 ARMY BASES."); + usrArmy = (int) Math.floor(usrArmy / 3.0); + usrAir = (int) Math.floor(usrAir / 3.0); + cpuNavy = (int) Math.floor(2.0 * cpuNavy / 3.0); + } + break; + + case 3: // Air Force deployed + + if (numUnits < (usrAir / 3.0)) { // User deployed less than one-third of their Air Force units + System.out.println("YOUR ATTACK WAS WIPED OUT."); + usrAir = usrAir - numUnits; + } + else if (numUnits < (2.0 * usrAir / 3.0)) { // User deployed less than two-thirds of their Air Force units + System.out.println("WE HAD A DOGFIGHT. YOU WON - AND FINISHED YOUR MISSION."); + cpuArmy = (int) Math.floor(2.0 * cpuArmy / 3.0); + cpuNavy = (int) Math.floor(cpuNavy / 3.0); + cpuAir = (int) Math.floor(cpuAir / 3.0); + } + else { // User deployed two-thirds or more of their Air Force units + System.out.println("YOU WIPED OUT ONE OF MY ARMY PATROLS, BUT I DESTROYED"); + System.out.println("TWO NAVY BASES AND BOMBED THREE ARMY BASES."); + usrArmy = (int) Math.floor(usrArmy / 4.0); + usrNavy = (int) Math.floor(usrNavy / 3.0); + cpuArmy = (int) Math.floor(2.0 * cpuArmy / 3.0); + } + break; + + } // End handling deployment type + + } // End of method attackFirst + + private void attackSecond() { + + int numUnits = 0; + int unitType = 0; + + System.out.println(""); + System.out.println(" YOU ME"); + System.out.print("ARMY "); + System.out.format("%-14s%s\n", usrArmy, cpuArmy); + System.out.print("NAVY "); + System.out.format("%-14s%s\n", usrNavy, cpuNavy); + System.out.print("A. F. "); + System.out.format("%-14s%s\n", usrAir, cpuAir); + + do { + System.out.println("WHAT IS YOUR NEXT MOVE?"); + System.out.println("ARMY=1 NAVY=2 AIR FORCE=3"); + System.out.print("? "); + unitType = scan.nextInt(); + } while ((unitType < 1) || (unitType > 3)); // Avoid out-of-range values + + do { + System.out.println("HOW MANY MEN"); + System.out.print("? "); + numUnits = scan.nextInt(); + } while ((numUnits < 0) || // Avoid negative values + ((unitType == 1) && (numUnits > usrArmy)) || // Avoid exceeding the number of available Army units + ((unitType == 2) && (numUnits > usrNavy)) || // Avoid exceeding the number of available Navy units + ((unitType == 3) && (numUnits > usrAir))); // Avoid exceeding the number of available Air Force units + + // Begin handling deployment type + switch (unitType) { + case 1: // Army deployed + + if (numUnits < (cpuArmy / 2.0)) { // User deployed less than half relative to cpu Army units + System.out.println("I WIPED OUT YOUR ATTACK!"); + usrArmy = usrArmy - numUnits; + } + else { // User deployed half or more relative to cpu Army units + System.out.println("YOU DESTROYED MY ARMY!"); + cpuArmy = 0; + } + break; + + case 2: // Navy deployed + + if (numUnits < (cpuNavy / 2.0)) { // User deployed less than half relative to cpu Navy units + System.out.println("I SUNK TWO OF YOUR BATTLESHIPS, AND MY AIR FORCE"); + System.out.println("WIPED OUT YOUR UNGUARDED CAPITOL."); + usrArmy = (int) Math.floor(usrArmy / 4.0); + usrNavy = (int) Math.floor(usrNavy / 2.0); + } + else { // User deployed half or more relative to cpu Navy units + System.out.println("YOUR NAVY SHOT DOWN THREE OF MY XIII PLANES,"); + System.out.println("AND SUNK THREE BATTLESHIPS."); + cpuAir = (int) Math.floor(2.0 * cpuAir / 3.0); + cpuNavy = (int) Math.floor(cpuNavy / 2.0); + } + break; + + case 3: // Air Force deployed + + if (numUnits > (cpuAir / 2.0)) { // User deployed more than half relative to cpu Air Force units + System.out.println("MY NAVY AND AIR FORCE IN A COMBINED ATTACK LEFT"); + System.out.println("YOUR COUNTRY IN SHAMBLES."); + usrArmy = (int) Math.floor(usrArmy / 3.0); + usrNavy = (int) Math.floor(usrNavy / 3.0); + usrAir = (int) Math.floor(usrAir / 3.0); + } + else { // User deployed half or less relative to cpu Air Force units + System.out.println("ONE OF YOUR PLANES CRASHED INTO MY HOUSE. I AM DEAD."); + System.out.println("MY COUNTRY FELL APART."); + planeCrashWin = true; + } + break; + + } // End handling deployment type + + // Suppress message for plane crashes + if (planeCrashWin == false) { + System.out.println(""); + System.out.println("FROM THE RESULTS OF BOTH OF YOUR ATTACKS,"); + } + + // User wins + if ((planeCrashWin == true) || + ((usrArmy + usrNavy + usrAir) > ((int) Math.floor((3.0 / 2.0 * (cpuArmy + cpuNavy + cpuAir)))))) { + System.out.println("YOU WON, OH! SHUCKS!!!!"); + } + // User loses + else if ((usrArmy + usrNavy + usrAir) < ((int) Math.floor((2.0 / 3.0 * (cpuArmy + cpuNavy + cpuAir))))) { // User loss + System.out.println("YOU LOST-I CONQUERED YOUR COUNTRY. IT SERVES YOU"); + System.out.println("RIGHT FOR PLAYING THIS STUPID GAME!!!"); + } + // Peaceful outcome + else { + System.out.println("THE TREATY OF PARIS CONCLUDED THAT WE TAKE OUR"); + System.out.println("RESPECTIVE COUNTRIES AND LIVE IN PEACE."); + } + + } // End of method attackSecond + + public static void main(String[] args) { + + Combat combat = new Combat(); + combat.play(); + + } // End of method main + +} // End of class Combat \ No newline at end of file