Started the auction code

Assets/Scenes/monopoly.unity

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Assets/Scripts/monopoly/Auction.cs

@@ -0,0 +1,205 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.UI;
+using TMPro;
+
+public class Auction : MonoBehaviour
+{
+    
+    //Essentials
+    private Main main; //This is the main class in the game.
+    
+    //Screens
+    public GameObject AuctionScreen; //This is the main auction screen.
+    public GameObject AuctionWon; //This displays what player won the auction.
+
+    //Text Displays
+    public TMP_Text propertyDetails; //This is meant to give the name and value of the property.
+    public TMP_Text biddingInfo; //This is meant to show who has the highest bid and what that highest bid is.
+    public TMP_Text currentBidders; //This is meant to show who is meant to go next and how many are left.
+    
+    //Buttons
+    //Preset amounts
+    public Button bid1; //This is the button to bid 1.
+    public Button bid10; //This is the button to bid 10.
+    public Button bid100; //This is the button to bid 100.
+    //Custom amounts
+    public TMP_InputField customBidInput; //This is where the user can input however much they want.
+    public Button customBidButton; //This is where the user can confirm how much they want to bid.
+    //Quit auction
+    public Button quitAuction; //This is where the user stops bidding and removes themselves from the auction.
+    
+    //Information
+    private int highestBidValue; //This is the highest value for the property in the bid.
+    private int highestBidPlayer; //This is the player with the highest bid.
+    private List<Player> auctionPlayerQueue; //This will be the queue for the players that are bidding.
+    private int currentAuctionPlayer; //This is the current player in the queue for the auction.
+    private Property property; //This is the property that will be auctioned
+
+    //Starting function for the auction
+    public void OpenTrade()
+    {
+        AuctionWon.SetActive(false); //This turns off the auction won screen from before.
+
+        highestBidValue = 0; //This is the starting value for the highest bid.
+        
+        //Assigning players to the queue
+        List<Player> auctionPlayerQueue = main.board.players; //This gets a temporary list of all of the players in the game.
+        currentAuctionPlayer = 0; //This sets the auction queue to 0.
+        int currentPlayer = main.board.currentPlayer - 1; //This gets the current player from the board.
+
+        int playerPosition = main.board.players[currentPlayer].position; //This gets the position of the player that started the auction.
+
+        property = main.board.existingProperties[playerPosition]; //This gets the property that is being auctioned.
+
+        UpdatePropertyDetails(); //This shows the details of the property on the screen.
+        UpdateBiddingInfo(true); //This updates the highest bidder information.
+        NextPlayer(); //This increments the player.
+        AuctionScreen.SetActive(true); //This shows the auction screen.
+    }
+
+    private void UpdatePropertyDetails()
+    {
+        propertyDetails.text = $"Property Name: {property.property_name}\n" +
+                               $"Property Value: {property.property_value}";
+    }
+    
+    private void UpdateBiddingInfo(bool start)
+    {
+        //This checks if it wants to show the information if its the start of the auction.
+        if (start)
+        {
+            biddingInfo.text = $"Highest Bidder: -\n" +
+                               $"Highest Bid: {highestBidValue}";
+            return;
+        }
+
+        biddingInfo.text = $"Highest Bidder: {auctionPlayerQueue[highestBidPlayer].name}\n" +
+                           $"Highest Bid: {highestBidValue}";
+    }
+    
+    private void UpdateCurrentBidders()
+    {
+        currentBidders.text = $"Current Bidder: {auctionPlayerQueue[currentAuctionPlayer]}\n" +
+                              $"Bidders Left: {auctionPlayerQueue.Count}";
+    }
+
+    //This moves on to the next player in the auction queue.
+    private void NextPlayer()
+    {
+        
+        //Incrementing to the next player
+        if (currentAuctionPlayer >= auctionPlayerQueue.Count)
+        {
+            currentAuctionPlayer = 0;
+        }
+        else
+        {
+            currentAuctionPlayer++;
+        }
+
+        int money = auctionPlayerQueue[currentAuctionPlayer].money; //Gets the money of the current player in the queue
+        int biddableMoney = money - highestBidValue;
+        
+        //Adds a maximum value to the custom bid.
+        customBidInput.text = "";
+        customBidInput.characterLimit = money.ToString().Length;
+
+        //This disables each amounts of money if the player cannot afford to bid that amount.
+        if (biddableMoney >= 100)
+        {
+            bid1.interactable = true;
+            bid10.interactable = true;
+            bid100.interactable = true;
+        }
+        else if (biddableMoney < 1)
+        {
+            bid1.interactable = false;
+            bid10.interactable = false;
+            bid100.interactable = false;
+        }
+        else if (biddableMoney < 10)
+        {
+            bid1.interactable = true;
+            bid10.interactable = false;
+            bid100.interactable = false;
+        }
+        else
+        {
+            bid1.interactable = true;
+            bid10.interactable = true;
+            bid100.interactable = false;
+        }
+        
+        UpdateCurrentBidders(); //Updates the displayed text.
+    }
+    
+    //This increases the bid by 1.
+    private void Bid1()
+    {
+        highestBidValue += 1; //Increase the highest bid by 1.
+        highestBidPlayer = currentAuctionPlayer; //Sets the highest bidding player to the current person who auctioned.
+        UpdateBiddingInfo(false); //Updates the highest bidding information.
+        
+        //Moves on to the next player
+        NextPlayer();
+    }
+    
+    //This increases the bid by 10.
+    private void Bid10()
+    {
+        highestBidValue += 10; //Increase the highest bid by 10.
+        highestBidPlayer = currentAuctionPlayer; //Sets the highest bidding player to the current person who auctioned.
+        UpdateBiddingInfo(false); //Updates the highest bidding information.
+        
+        //Moves on to the next player
+        NextPlayer();
+    }
+    
+    //This increases the bid by 100.
+    private void Bid100()
+    {
+        highestBidValue += 100; //Increase the highest bid by 100.
+        highestBidPlayer = currentAuctionPlayer; //Sets the highest bidding player to the current person who auctioned.
+        UpdateBiddingInfo(false); //Updates the highest bidding information.
+        
+        //Moves on to the next player
+        NextPlayer();
+    }
+
+    //This is for custom bids.
+    private void BidCustom()
+    {
+        int money = Convert.ToInt32(customBidInput.text); //This sets the custom input value into a temporary variable, money converted to an integer.
+
+        if (money == 0 || money + highestBidValue > auctionPlayerQueue[currentAuctionPlayer].money) //This checks if the player hasn't bid 0 or more than how much they own
+        {
+            return;
+        }
+
+        highestBidValue += money; //This increases the highest bid value by the custom amount.
+        highestBidPlayer = currentAuctionPlayer; //Sets the highest bidding player to the current person who auctioned.
+        UpdateBiddingInfo(false); //Updates the highest bidding information.
+        
+        //Moves on to the next player
+        NextPlayer();
+    }
+
+    void Awake()
+    {
+        main = FindObjectOfType<Main>(); //This gets the data from the main file.
+    }
+
+    void Start()
+    {
+        //Add predefined bid buttons with its own function
+        bid1.onClick.AddListener(Bid1); //For bids of 1.
+        bid10.onClick.AddListener(Bid10); //For bids of 10.
+        bid100.onClick.AddListener(Bid100); //For bids of 10.
+        
+        //Custom bid
+        customBidButton.onClick.AddListener(BidCustom); //This allows the player to bid a custom amount.
+    }
+}

Assets/Scripts/monopoly/Auction.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: e97b3592055162a41b2733dba0478243
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Scripts/monopoly/ButtonHandler.cs

@@ -29,6 +29,12 @@ public class ButtonHandler : MonoBehaviour
     private bool tradeOpen = false;
     private Trade trade;
     
+    //Auction
+    public GameObject AuctionUI;
+    public Button auctionButton;
+    public Button auctionCompleteButton;
+    private Auction auction;
+
     public void DisableRollDice()
     {
         rollDice.interactable = false;
@@ -122,6 +128,18 @@ public class ButtonHandler : MonoBehaviour
             tradeOpen = false;
         }
     }
+    void OpenAuction()
+    {
+        auction.OpenTrade();
+        GameUI.SetActive(false);
+        AuctionUI.SetActive(true);
+    }
+
+    void CloseAuction()
+    {
+        AuctionUI.SetActive(false);
+        GameUI.SetActive(true);
+    }
 
     private Main main;
 
@@ -130,16 +148,25 @@ public class ButtonHandler : MonoBehaviour
         main = FindObjectOfType<Main>();
         inventoryClass = FindObjectOfType<Inventory>();
         trade = FindObjectOfType<Trade>();
+        auction = FindObjectOfType<Auction>();
     }
 
     void Start()
     {
+        //Core game button function assignment
         buyButtonButton.onClick.AddListener(BuyPropertyClick);
         nextTurn.onClick.AddListener(NextTurn);
+        
+        //Inventory button function assignment
         inventory.onClick.AddListener(ToggleInventory);
         cardButton.onClick.AddListener(CloseCard);
+        
+        //Trade button function assignment
         tradeButton.onClick.AddListener(ToggleTrade);
         tradeCompletedButton.onClick.AddListener(ToggleTrade);
+        
+        //Auction button function assignment
+        auctionButton.onClick.AddListener(OpenAuction);
     }
 
     void BuyPropertyClick() {

Assets/Scripts/monopoly/Trade.cs

@@ -1,5 +1,4 @@
 using System;
-using System.Collections;
 using System.Collections.Generic;
 using UnityEngine;
 using UnityEngine.UI;