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Final update to FurTrader Java port

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This commit is contained in:
journich
2021-03-10 08:40:09 +10:30
parent 9fd26b2192
commit 1ce47dd896
2 changed files with 130 additions and 60 deletions
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178
38 Fur Trader/java/src/FurTrader.java
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@@ -29,7 +29,6 @@ public class FurTrader {
public static final String FOX = "FOX";
public static final int FOX_ENTRY = 3;
// Used for keyboard input
private final Scanner kbScanner;
@@ -53,9 +52,12 @@ public class FurTrader {
private ArrayList<Pelt> pelts;
private boolean playedOnce;
public FurTrader() {
kbScanner = new Scanner(System.in);
gameState = GAME_STATE.INIT;
playedOnce = false;
}
/**
@@ -69,42 +71,70 @@ public class FurTrader {
case INIT:
savings = START_SAVINGS_AMOUNT;
gameStartupMessage();
// Only display initial game heading once
if (!playedOnce) {
playedOnce = true;
gameStartupMessage();
}
intro();
if (yesEntered(displayTextAndGetInput("DO YOU WISH TO TRADE FURS? "))) {
System.out.println("YOU HAVE $" + formatNumber(savings) + " SAVINGS.");
System.out.println("AND " + STARTING_FURS + " FURS TO BEGIN THE EXPEDITION.");
// Create a new array of Pelts.
pelts = initPelts();
gameState = GAME_STATE.STARTUP;
intro();
} else {
gameState = GAME_STATE.GAME_OVER;
}
System.out.println("YOU HAVE $" + savings + " SAVINGS.");
System.out.println("AND " + STARTING_FURS + " FURS TO BEGIN THE EXPEDITION.");
break;
case STARTUP:
pelts = new ArrayList<>();
// Reset count of pelts (all types)
resetPelts();
pelts.add(getPelt(MINK));
pelts.add(getPelt(BEAVER));
pelts.add(getPelt(ERMINE));
pelts.add(getPelt(FOX));
// This is where we will go to after processing all pelts.
gameState = GAME_STATE.TRADE_AT_FORT;
// Determine if count of total pelts exceeds the maximum
// N.B. Original game was fine with entering less than the
// maximum so this functionality has been left in.
if (pelts.stream().mapToInt(Pelt::getNumber).sum() > STARTING_FURS) {
System.out.println("YOU MAY NOT HAVE THAT MANY FURS.");
System.out.println("DO NOT TRY TO CHEAT. I CAN ADD.");
System.out.println("YOU MUST START AGAIN.");
gameState = GAME_STATE.STARTUP;
} else {
// No cheating, so start trading
int totalPelts = 0;
// Cycle through all types of pelts
for (int i = 0; i < pelts.size(); i++) {
Pelt pelt = pelts.get(i);
int number = getPeltCount(pelt.getName());
totalPelts += number;
if (totalPelts > STARTING_FURS) {
System.out.println("YOU MAY NOT HAVE THAT MANY FURS.");
System.out.println("DO NOT TRY TO CHEAT. I CAN ADD.");
System.out.println("YOU MUST START AGAIN.");
System.out.println();
// Restart the game
gameState = GAME_STATE.INIT;
break;
} else {
// update count entered by player and save back to ArrayList.
pelt.setPeltCount(number);
pelts.set(i, pelt);
// Its possible for the player to put all their pelt allocation
// into one or more different pelts. They don't have to use all four types.
// If we have an exact count of pelts matching the MAX
// don't bother continuing to ask for more.
if (totalPelts == STARTING_FURS) {
break;
}
}
}
// Only move onto the trading part of the game if the player didn't add too many pelts
if (gameState != GAME_STATE.STARTUP) {
// Set ermine and beaver default prices here, depending on where you trade these
// defaults will either be used or overwritten with other values.
// check out the tradeAt??? methods for more info.
erminePrice = ((.15 * Math.random() + .95) * (Math.pow(10, 2) + .5)) / Math.pow(10, 2);
beaverPrice = ((.25 * Math.random() + 1.00) * (Math.pow(10, 2) + .5)) / Math.pow(10, 2);
gameState = GAME_STATE.TRADE_AT_FORT;
System.out.println();
}
break;
@@ -113,6 +143,8 @@ public class FurTrader {
extendedTradingInfo();
int answer = displayTextAndGetNumber("ANSWER 1, 2, OR 3. ");
System.out.println();
// Now show the details of the fort they are about to trade
// and give the player the chance to NOT proceed.
// A "No" or false means they do not want to change to another fort
@@ -129,7 +161,7 @@ public class FurTrader {
break;
case 3:
// Did the player and party all die?
if(!tradeAtFortNewYork()) {
if (!tradeAtFortNewYork()) {
gameState = GAME_STATE.GAME_OVER;
} else {
gameState = GAME_STATE.TRADE_SUMMARY;
@@ -142,27 +174,28 @@ public class FurTrader {
case TRADE_SUMMARY:
System.out.println();
double beaverTotal = beaverPrice * pelts.get(BEAVER_ENTRY).getNumber();
System.out.println("YOUR BEAVER SOLD FOR $ " + beaverTotal);
System.out.print("YOUR BEAVER SOLD FOR $ " + formatNumber(beaverTotal));
double foxTotal = foxPrice * pelts.get(FOX_ENTRY).getNumber();
System.out.println("YOUR FOX SOLD FOR $ " + foxTotal);
System.out.println(simulateTabs(5) + "YOUR FOX SOLD FOR $ " + formatNumber(foxTotal));
double erMineTotal = erminePrice * pelts.get(ERMINE_ENTRY).getNumber();
System.out.println("YOUR ERMINE SOLD FOR $ " + erMineTotal);
System.out.print("YOUR ERMINE SOLD FOR $ " + formatNumber(erMineTotal));
double minkTotal = minkPrice * pelts.get(MINK_ENTRY).getNumber();
System.out.println("YOUR MINK SOLD FOR $ " + minkTotal);
System.out.println(simulateTabs(5) + "YOUR MINK SOLD FOR $ " + formatNumber(minkTotal));
savings += beaverTotal + foxTotal + erMineTotal + minkTotal;
System.out.println();
System.out.println("YOU NOW HAVE $" + savings + " INCLUDING YOUR PREVIOUS SAVINGS");
System.out.println("YOU NOW HAVE $" + formatNumber(savings) + " INCLUDING YOUR PREVIOUS SAVINGS");
gameState = GAME_STATE.TRADE_AGAIN;
break;
case TRADE_AGAIN:
if(yesEntered(displayTextAndGetInput("DO YOU WANT TO TRADE FURS NEXT YEAR? "))) {
if (yesEntered(displayTextAndGetInput("DO YOU WANT TO TRADE FURS NEXT YEAR? "))) {
gameState = GAME_STATE.STARTUP;
} else {
gameState = GAME_STATE.GAME_OVER;
@@ -172,14 +205,30 @@ public class FurTrader {
} while (gameState != GAME_STATE.GAME_OVER);
}
/**
* Create all pelt types with a count of zero
*
* @return Arraylist of initialised Pelt objects.
*/
private ArrayList<Pelt> initPelts() {
ArrayList<Pelt> tempPelts = new ArrayList<>();
tempPelts.add(new Pelt(MINK, 0));
tempPelts.add(new Pelt(BEAVER, 0));
tempPelts.add(new Pelt(ERMINE, 0));
tempPelts.add(new Pelt(FOX, 0));
return tempPelts;
}
/**
* Display a message about trading at each fort and confirm if the player wants to trade
* at ANOTHER fort
*
* @param fort the fort in question
* @return true if YES was typed by player
*/
private boolean confirmFort(int fort) {
switch(fort) {
switch (fort) {
case FORT_HOCHELAGA_MONTREAL:
System.out.println("YOU HAVE CHOSEN THE EASIEST ROUTE. HOWEVER, THE FORT");
System.out.println("IS FAR FROM ANY SEAPORT. THE VALUE");
@@ -211,7 +260,7 @@ public class FurTrader {
* and return
*/
private void tradeAtFortHochelagaMontreal() {
savings -= 160;
savings -= 160.0;
System.out.println();
System.out.println("SUPPLIES AT FORT HOCHELAGA COST $150.00.");
System.out.println("YOUR TRAVEL EXPENSES TO HOCHELAGA WERE $10.00.");
@@ -219,27 +268,25 @@ public class FurTrader {
erminePrice = ((.2 * Math.random() + .65) * (Math.pow(10, 2) + .5)) / Math.pow(10, 2);
beaverPrice = ((.2 * Math.random() + .75) * (Math.pow(10, 2) + .5)) / Math.pow(10, 2);
foxPrice = ((.2 * Math.random() + .8) * (Math.pow(10, 2) + .5)) / Math.pow(10, 2);
return;
}
private void tradeAtFortStadaconaQuebec() {
savings -= 140;
savings -= 140.0;
System.out.println();
minkPrice = ((.2 * Math.random() + .85) * (Math.pow(10, 2) + .5)) / Math.pow(10, 2);
erminePrice = ((.2 * Math.random() + .8) * (Math.pow(10, 2) + .5)) / Math.pow(10, 2);
beaverPrice = ((.2 * Math.random() + .9) * (Math.pow(10, 2) + .5)) / Math.pow(10, 2);
// What happened during the trip to the fort?
int tripResult = (int) (Math.random()*10) + 1;
if(tripResult <= 2) {
int tripResult = (int) (Math.random() * 10) + 1;
if (tripResult <= 2) {
// Find the Beaver pelt in our Arraylist
Pelt beaverPelt = pelts.get(BEAVER_ENTRY);
// Pelts got stolen, so update to a count of zero
beaverPelt.lostPelts();
// Update it back in the ArrayList
pelts.set(BEAVER_ENTRY, beaverPelt);
System.out.println("YOUR BEAVER WERE TOO HEAVY TO CARRY ACROSS");
System.out.println("THE PORTAGE. YOU HAD TO LEAVE THE PELTS, BUT FOUND");
System.out.println("THEM STOLEN WHEN YOU RETURNED.");
@@ -249,13 +296,11 @@ public class FurTrader {
System.out.println("YOUR CANOE UPSET IN THE LACHINE RAPIDS. YOU");
System.out.println("LOST ALL YOUR FURS.");
// Clear out all pelts.
for(int i=0; i<3; i++) {
Pelt pelt = pelts.get(i);
pelt.lostPelts();
pelts.set(i, pelt);
}
} else if(tripResult <= 10) {
resetPelts();
} else if (tripResult <= 10) {
// Fox pelts not cured
System.out.println("YOUR FOX PELTS WERE NOT CURED PROPERLY.");
System.out.println("NO ONE WILL BUY THEM.");
// Bug because Fox furs were not calculated above in original basic program
// Find the Beaver pelt in our Arraylist
Pelt foxPelt = pelts.get(FOX_ENTRY);
@@ -272,14 +317,14 @@ public class FurTrader {
private boolean tradeAtFortNewYork() {
boolean playerAlive = true;
savings -= 105;
savings -= 105.0;
System.out.println();
minkPrice = ((.2 * Math.random() + 1.05) * (Math.pow(10, 2) + .5)) / Math.pow(10, 2);
foxPrice = ((.2 * Math.random() + 1.1) * (Math.pow(10, 2) + .5)) / Math.pow(10, 2);
// What happened during the trip to the fort?
int tripResult = (int) (Math.random()*10) + 1;
if(tripResult <= 2) {
int tripResult = (int) (Math.random() * 10) + 1;
if (tripResult <= 2) {
System.out.println("YOU WERE ATTACKED BY A PARTY OF IROQUOIS.");
System.out.println("ALL PEOPLE IN YOUR TRADING GROUP WERE");
System.out.println("KILLED. THIS ENDS THE GAME.");
@@ -291,12 +336,8 @@ public class FurTrader {
System.out.println("YOU NARROWLY ESCAPED AN IROQUOIS RAIDING PARTY.");
System.out.println("HOWEVER, YOU HAD TO LEAVE ALL YOUR FURS BEHIND.");
// Clear out all pelts.
for(int i=0; i<3; i++) {
Pelt pelt = pelts.get(i);
pelt.lostPelts();
pelts.set(i, pelt);
}
} else if(tripResult <= 10) {
resetPelts();
} else if (tripResult <= 10) {
beaverPrice /= 2;
minkPrice /= 2;
System.out.println("YOUR MINK AND BEAVER WERE DAMAGED ON YOUR TRIP.");
@@ -310,15 +351,26 @@ public class FurTrader {
return playerAlive;
}
/**
* Reset pelt count for all Pelt types to zero.
*/
private void resetPelts() {
for (int i = 0; i < pelts.size(); i++) {
Pelt pelt = pelts.get(i);
pelt.lostPelts();
pelts.set(i, pelt);
}
}
/**
* Return a pelt object containing the user entered number of pelts.
*
* @param peltName Type of pelt
* @return Pelt object containing name and number of pelts.
* @param peltName Name of pelt (Type)
* @return number of pelts assigned by player
*/
private Pelt getPelt(String peltName) {
int pelts = displayTextAndGetNumber("HOW MANY " + peltName + " PELTS DO YOU HAVE? ");
return new Pelt(peltName, pelts);
private int getPeltCount(String peltName) {
return displayTextAndGetNumber("HOW MANY " + peltName + " PELTS DO YOU HAVE? ");
}
private void extendedTradingInfo() {
@@ -330,8 +382,10 @@ public class FurTrader {
System.out.println("MAKE A PORTAGE AND CROSS THE LACHINE RAPIDS.");
System.out.println("FORT 3 IS FORT NEW YORK AND IS UNDER DUTCH CONTROL.");
System.out.println("YOU MUST CROSS THROUGH IROQUOIS LAND.");
System.out.println();
}
private void gameStartupMessage() {
System.out.println(simulateTabs(31) + "FUR TRADER");
System.out.println(simulateTabs(15) + "CREATIVE COMPUTING MORRISTOWN, NEW JERSEY");
@@ -345,6 +399,17 @@ public class FurTrader {
System.out.println("FORTS AT WHICH YOU MAY TRADE. THE COST OF SUPPLIES");
System.out.println("AND THE AMOUNT YOU RECEIVE FOR YOUR FURS WILL DEPEND");
System.out.println("ON THE FORT THAT YOU CHOOSE.");
System.out.println();
}
/**
* Format a double number to two decimal points for output.
*
* @param number double number
* @return formatted number as a string
*/
private String formatNumber(double number) {
return String.format("%.2f", number);
}
/*
@@ -404,5 +469,4 @@ public class FurTrader {
return Arrays.stream(values).anyMatch(str -> str.equalsIgnoreCase(text));
}
}

12
38 Fur Trader/java/src/Pelt.java
View File

@@ -1,6 +1,9 @@
/**
* Pelt object - tracks the name and number of pelts the player has for this pelt type
*/
public class Pelt {
private String name;
private final String name;
private int number;
public Pelt(String name, int number) {
@@ -8,6 +11,10 @@ public class Pelt {
this.number = number;
}
public void setPeltCount(int pelts) {
this.number = pelts;
}
public int getNumber() {
return this.number;
}
@@ -16,8 +23,7 @@ public class Pelt {
return this.name;
}
public Object lostPelts() {
public void lostPelts() {
this.number = 0;
return null;
}
}