John b

MerchantRPGCSE2102/src/controller/RPGame.java

@@ -0,0 +1,84 @@
+package controller;
+
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.util.ArrayList;
+import java.util.Scanner;
+
+public class RPGame {
+	private ArrayList<String> merchantInventoryList1 = new ArrayList<String>();	// merchant 1's inventory list
+	private ArrayList<String> merchantInventoryList2 = new ArrayList<String>();	// merchant 2's inventory list
+	private ArrayList<String> merchantInventoryList3 = new ArrayList<String>();	// merchant 3's inventory list
+	private ArrayList<String> playerInventoryList = new ArrayList<String>();	// the player's inventory list
+
+	public RPGame() {
+		//constructor
+	}
+
+	/**
+	 * This method scans the inventory.txt file located in src\config. It will read lines of the format <stringname> <price> and store them in the inventory list member variables
+	 * 
+	 */
+	public void inventoryFromFile() {
+		Scanner fileScanner = null;
+		try {
+			fileScanner = new Scanner(new File("src/config/inventory.txt"));	// inventory.txt must be located the config folder
+			int currentMerchant = 0; 											// keeps track of which merchant's inventory the scanner is reading
+			String token = null;
+			String item = null;
+
+			while(fileScanner.hasNextLine()) {					// loops as long as there is another line to read
+				token = fileScanner.next(); 
+				if (token.equals("merchant"))
+					currentMerchant = fileScanner.nextInt();
+				else {
+					item = token + " " + fileScanner.nextInt();	// a string containing the item name and price
+					if (currentMerchant == 1)
+						merchantInventoryList1.add(item);
+					else if (currentMerchant == 2)
+						merchantInventoryList2.add(item);
+					else
+						merchantInventoryList3.add(item);
+					playerInventoryList.add(item);
+				}
+				if (fileScanner.hasNextLine())					// only advances to the next line if there is one to read
+					fileScanner.nextLine();
+			}
+
+		} catch (FileNotFoundException e) {		// if inventory.txt is deleted or missing
+			System.out.println("Inventory file not found");
+			e.printStackTrace();
+		}
+
+	}
+
+	/**
+	 * This method returns the specified merchant inventory list
+	 * 
+	 * @param	merchant number
+	 * @return	the specified merchant's inventory list 
+	 */
+	public ArrayList<String> getMerchantInventoryList(int merchantNumber) {
+		if (merchantNumber == 1)
+			return merchantInventoryList1;
+		else if (merchantNumber == 2)
+			return merchantInventoryList2;
+		else if (merchantNumber == 3)
+			return merchantInventoryList3;
+		else
+		{
+			System.out.println("Invalid merchant number");
+			return null;
+		}
+	}
+
+
+	/**
+	 * This method returns the player's inventory list
+	 * 
+	 * @return	the player's inventory list 
+	 */
+	public ArrayList<String> getPlayerInventoryList() {
+		return playerInventoryList;
+	}
+}