CraftingSystem - Tutorial Part 17

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;

public class CraftingSystem : MonoBehaviour
{

    public GameObject craftingScreenUI;
    public GameObject toolsScreenUI, survivalScreenUI, refineScreenUI, constructionScreenUI;

    public List<string> inventoryItemList = new List<string>();

    //Category Buttons
    Button toolsBTN, survivalBTN, refineBTN, constructionBTN;

    //Craft Buttons
    Button craftAxeBTN, craftPlankBTN, craftStickBTN, craftFoundationBTN, craftWallBTN;

    //Requirement Text
    Text AxeReq1, AxeReq2, PlankReq1, StickReq1, FoundationReq1, WallReq1;

    public bool isOpen;

    //All Blueprints
    public Blueprint AxeBLP = new Blueprint("Axe", 1, 2, "Stone", 2, "Stick", 1);
    public Blueprint PlankBLP = new Blueprint("Plank", 2, 1, "Log", 1, "", 0);
    public Blueprint StickBLP = new Blueprint("Stick", 1, 1, "Tree Branch", 1, "", 0);
    public Blueprint FoundationBLP = new Blueprint("Foundation", 1, 1, "Plank", 4, "", 0);
    public Blueprint WallBLP = new Blueprint("Wall", 1, 1, "Plank", 5, "", 0);

    public static CraftingSystem Instance { get; set; }


    private void Awake()
    {
        if (Instance != null && Instance != this)
        {
            Destroy(gameObject);
        }
        else
        {
            Instance = this;
        }
    }


    // Start is called before the first frame update
    void Start()
    {

        isOpen = false;

        toolsBTN = craftingScreenUI.transform.Find("ToolsButton").GetComponent<Button>();
        toolsBTN.onClick.AddListener(delegate { OpenToolsCategory(); });

        survivalBTN = craftingScreenUI.transform.Find("SurvivalButton").GetComponent<Button>();
        survivalBTN.onClick.AddListener(delegate { OpenSurvivalCategory(); });

        refineBTN = craftingScreenUI.transform.Find("RefineButton").GetComponent<Button>();
        refineBTN.onClick.AddListener(delegate { OpenRefineCategory(); });

        constructionBTN = craftingScreenUI.transform.Find("ConstructionButton").GetComponent<Button>();
        constructionBTN.onClick.AddListener(delegate { OpenConstructionCategory(); });

        // AXE
        AxeReq1 = toolsScreenUI.transform.Find("Axe").transform.Find("req1").GetComponent<Text>();
        AxeReq2 = toolsScreenUI.transform.Find("Axe").transform.Find("req2").GetComponent<Text>();

        craftAxeBTN = toolsScreenUI.transform.Find("Axe").transform.Find("Button").GetComponent<Button>();
        craftAxeBTN.onClick.AddListener(delegate { CraftAnyItem(AxeBLP); });

        // Plank
        PlankReq1 = refineScreenUI.transform.Find("Plank").transform.Find("req1").GetComponent<Text>();

        craftPlankBTN = refineScreenUI.transform.Find("Plank").transform.Find("Button").GetComponent<Button>();
        craftPlankBTN.onClick.AddListener(delegate { CraftAnyItem(PlankBLP); });

        // Stick
        StickReq1 = refineScreenUI.transform.Find("Stick").transform.Find("req1").GetComponent<Text>();

        craftStickBTN = refineScreenUI.transform.Find("Stick").transform.Find("Button").GetComponent<Button>();
        craftStickBTN.onClick.AddListener(delegate { CraftAnyItem(StickBLP); });

        // Foundation
        FoundationReq1 = constructionScreenUI.transform.Find("Foundation").transform.Find("req1").GetComponent<Text>();

        craftFoundationBTN = constructionScreenUI.transform.Find("Foundation").transform.Find("Button").GetComponent<Button>();
        craftFoundationBTN.onClick.AddListener(delegate { CraftAnyItem(FoundationBLP); });

        // Wall
        WallReq1 = constructionScreenUI.transform.Find("Wall").transform.Find("req1").GetComponent<Text>();

        craftWallBTN = constructionScreenUI.transform.Find("Wall").transform.Find("Button").GetComponent<Button>();
        craftWallBTN.onClick.AddListener(delegate { CraftAnyItem(WallBLP); });
    }
    void OpenToolsCategory()
    {
        craftingScreenUI.SetActive(false);
        survivalScreenUI.SetActive(false);
        refineScreenUI.SetActive(false);
        constructionScreenUI.SetActive(false);

        toolsScreenUI.SetActive(true);
    }
    void OpenSurvivalCategory()
    {
        craftingScreenUI.SetActive(false);
        toolsScreenUI.SetActive(false);
        refineScreenUI.SetActive(false);

        survivalScreenUI.SetActive(true);
        constructionScreenUI.SetActive(false);
    }
    void OpenRefineCategory()
    {
        craftingScreenUI.SetActive(false);
        toolsScreenUI.SetActive(false);
        survivalScreenUI.SetActive(false);
        constructionScreenUI.SetActive(false);

        refineScreenUI.SetActive(true);
    }

    void OpenConstructionCategory()
    {
        craftingScreenUI.SetActive(false);
        toolsScreenUI.SetActive(false);
        survivalScreenUI.SetActive(false);
        refineScreenUI.SetActive(false);

        constructionScreenUI.SetActive(true);
    }
    void CraftAnyItem(Blueprint blueprintToCraft)
    {

        SoundManager.Instance.PlaySound(SoundManager.Instance.craftingSound);

        StartCoroutine(craftedDelayForSound(blueprintToCraft));

        if (blueprintToCraft.numOfRequirements == 1) //remove resources from inventory
        {
            InventorySystem.Instance.RemoveItem(blueprintToCraft.Req1, blueprintToCraft.Req1amount);
        }
        else if (blueprintToCraft.numOfRequirements == 2)
        {
            InventorySystem.Instance.RemoveItem(blueprintToCraft.Req1, blueprintToCraft.Req1amount);
            InventorySystem.Instance.RemoveItem(blueprintToCraft.Req2, blueprintToCraft.Req2amount);
        }
        else if (blueprintToCraft.numOfRequirements == 3) //remove resources from inventory
        {
            InventorySystem.Instance.RemoveItem(blueprintToCraft.Req1, blueprintToCraft.Req1amount);
            InventorySystem.Instance.RemoveItem(blueprintToCraft.Req2, blueprintToCraft.Req2amount);
        }
        else if (blueprintToCraft.numOfRequirements == 4) //remove resources from inventory
        {
            InventorySystem.Instance.RemoveItem(blueprintToCraft.Req1, blueprintToCraft.Req1amount);
            InventorySystem.Instance.RemoveItem(blueprintToCraft.Req2, blueprintToCraft.Req2amount);
        }
        else if (blueprintToCraft.numOfRequirements == 5) //remove resources from inventory
        {
            InventorySystem.Instance.RemoveItem(blueprintToCraft.Req1, blueprintToCraft.Req1amount);
            InventorySystem.Instance.RemoveItem(blueprintToCraft.Req2, blueprintToCraft.Req2amount);
        }
        StartCoroutine(calculate()); // refresh list
    }

    public IEnumerator calculate()
    {
        yield return 0;        // yield return new WaitForSeconds(1f); //To wait to do something
        InventorySystem.Instance.ReCalculateList();
        RefreshNeededItems();
    }

    IEnumerator craftedDelayForSound(Blueprint blueprintToCraft)
    {

        yield return new WaitForSeconds(10f); //changed time due to my audio clip
        SoundManager.Instance.craftingSound.Stop(); //stops the audio clip from continuing because it was too long
        // Produce the amount of items according to the blueprint
        for (var i = 0; i < blueprintToCraft.numberOfItemsToProduce; i++)
        {
            InventorySystem.Instance.AddToInventory(blueprintToCraft.itemName); //add item into inventory
        }
    }



void Update()
    {



        if (Input.GetKeyDown(KeyCode.C) && !isOpen)
        {

            craftingScreenUI.SetActive(true);
            Cursor.lockState = CursorLockMode.None;
            Cursor.visible = true;

            SelectionManager.Instance.DisableSelection();
            SelectionManager.Instance.GetComponent<SelectionManager>().enabled = false;

            isOpen = true;

        }
        else if (Input.GetKeyDown(KeyCode.C) && isOpen)
        {
            craftingScreenUI.SetActive(false);
            toolsScreenUI.SetActive(false);
            survivalScreenUI.SetActive(false);
            refineScreenUI.SetActive(false);
            constructionScreenUI.SetActive(false);


            if (!InventorySystem.Instance.isOpen)
            {
                Cursor.lockState = CursorLockMode.Locked;
                Cursor.visible = false;

                SelectionManager.Instance.EnableSelection();
                SelectionManager.Instance.GetComponent<SelectionManager>().enabled = true;
            }



            isOpen = false;
        }

    }



    public void RefreshNeededItems()
    {

        int stone_count = 0;
        int stick_count = 0;
        int log_count = 0;
        int treeBranch_count = 0;
        int plank_count = 0;

        inventoryItemList = InventorySystem.Instance.itemList;

        foreach (string itemName in inventoryItemList)
        {

            switch (itemName)
            {
                case "Stone":
                    stone_count++;
                    break;
                case "Stick":
                    stick_count++;
                    break;
                case "Log":
                    log_count++;
                    break;
                case "Tree Branch":
                    treeBranch_count++;
                    break;
                case "Plank":
                    plank_count++;
                    break;
            }
        }



        // Axe

        AxeReq1.text = "Stone [" + stone_count + "/2]";
        AxeReq2.text = "Stick [" + stick_count + "/1]";

        if (stone_count >= 2 && stick_count >=1 && InventorySystem.Instance.CheckSlotsAvailable(1))
        {

            craftAxeBTN.gameObject.SetActive(true);
        }
        else
        {
            craftAxeBTN.gameObject.SetActive(false);
        }


        // Plank

        PlankReq1.text = "Log [" + log_count + "/1]";

        if (log_count >= 1 && InventorySystem.Instance.CheckSlotsAvailable(2))
        {
            craftPlankBTN.gameObject.SetActive(true);
        }
        else
        {
            craftPlankBTN.gameObject.SetActive(false);
        }

        // Stick

        StickReq1.text = "Branch [" + treeBranch_count + "/1]";

        if (treeBranch_count >= 1 && InventorySystem.Instance.CheckSlotsAvailable(1))
        {
            craftStickBTN.gameObject.SetActive(true);
        }
        else
        {
            craftStickBTN.gameObject.SetActive(false);
        }

        // Foundation

        FoundationReq1.text = "Plank [" + plank_count + "/4]";

        if (plank_count >= 4 && InventorySystem.Instance.CheckSlotsAvailable(1))
        {
            craftFoundationBTN.gameObject.SetActive(true);
        }
        else
        {
            craftFoundationBTN.gameObject.SetActive(false);
        }

        // Wall

        WallReq1.text = "Plank [" + plank_count + "/5]";

        if (plank_count >= 5 && InventorySystem.Instance.CheckSlotsAvailable(1))
        {
            craftWallBTN.gameObject.SetActive(true);
        }
        else
        {
            craftWallBTN.gameObject.SetActive(false);
        }

    }




}