SelectionManager - Part 32

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

public class SelectionManager : MonoBehaviour
{

    public static SelectionManager Instance { get; set; }


    public bool onTarget;

    public GameObject selectedObject;

    public GameObject interaction_Info_UI;
    Text interaction_text;

    public Image centerDotImage;
    public Image handIcon;

    public bool handIsVisible;

    public GameObject selectedTree;
    public GameObject chopHolder;


    private void Start()
    {
        onTarget = false;
        interaction_text = interaction_Info_UI.GetComponent<Text>();
    }


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



    void Update()
    {
        Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
        RaycastHit hit;
        if (Physics.Raycast(ray, out hit))
        {
            var selectionTransform = hit.transform;


            NPC npc = selectionTransform.GetComponent<NPC>();

            if (npc && npc.playerInRange)
            {
                interaction_text.text = "Press \"E\" to Talk";
                interaction_Info_UI.SetActive(true);

                if (Input.GetKeyDown(KeyCode.E) && npc.isTalkingWithPlayer == false)
                {
                    npc.StartConversation();
                }

                if (DialogueSystem.Instance.dialogueUIActive)
                {
                    interaction_Info_UI.SetActive(false);
                    centerDotImage.gameObject.SetActive(false);
                }
            }

            ChoppableTree choppableTree = selectionTransform.GetComponent<ChoppableTree>();

            if (choppableTree && choppableTree.playerInRange)
            {
                choppableTree.canBeChopped = true;
                selectedTree = choppableTree.gameObject;
                chopHolder.gameObject.SetActive(true);

            }
            else
            {
                if (selectedTree != null)
                {
                    selectedTree.gameObject.GetComponent<ChoppableTree>().canBeChopped = false;
                    selectedTree = null;
                    chopHolder.gameObject.SetActive(false);
                }
            }

            InteractableObject interactable = selectionTransform.GetComponent<InteractableObject>();

            if (interactable && interactable.playerInRange)
            {

                onTarget = true;
                selectedObject = interactable.gameObject;
                interaction_text.text = interactable.GetItemName();
                interaction_Info_UI.SetActive(true);

                centerDotImage.gameObject.SetActive(false);
                handIcon.gameObject.SetActive(true);

                handIsVisible = true;

            }


            Animal animal = selectionTransform.GetComponent<Animal>();

            if (animal && animal.playerInRange)
            {
                if (animal.isDead)
                {
                    interaction_text.text = "Loot";
                    interaction_Info_UI.SetActive(true);

                    centerDotImage.gameObject.SetActive(false);
                    handIcon.gameObject.SetActive(true);

                    handIsVisible = true;

                    if (Input.GetMouseButtonDown(0))
                    {
                        Lootable lootable = animal.GetComponent<Lootable>();
                        Loot(lootable);
                    }
                }
                else
                {
                    interaction_text.text = animal.animalName;
                    interaction_Info_UI.SetActive(true);

                    centerDotImage.gameObject.SetActive(true);
                    handIcon.gameObject.SetActive(false);

                    handIsVisible = false;

                    if (Input.GetMouseButtonDown(0) && EquipSystem.Instance.IsHoldingWeapon() && EquipSystem.Instance.IsThereASwingLock() == false)
                    {
                        StartCoroutine(DealDamageTo(animal, 0.3f, EquipSystem.Instance.GetWeaponDamage()));
                    }
                }
            }


            if (!interactable && !animal)
            {
                onTarget = false;
                handIsVisible = false;

                centerDotImage.gameObject.SetActive(true);
                handIcon.gameObject.SetActive(false);
            }

            if (!npc && !interactable && !animal && !choppableTree)
            {
                interaction_text.text = "";
                interaction_Info_UI.SetActive(false);
            }


        }



    }

    private void Loot(Lootable lootable)
    {
        if (lootable.wasLootCalculated == false)
        {
            List<LootReceived> receivedLoot = new List<LootReceived>();

            foreach (LootPossibility loot in lootable.possibleLoot)
            {
                var lootAmount = UnityEngine.Random.Range(loot.amountMin, loot.amountMax+1);
                if (lootAmount > 0)
                {
                    LootReceived lt = new LootReceived();
                    lt.item = loot.item;
                    lt.amount = lootAmount;

                    receivedLoot.Add(lt);
                }
            }

            lootable.finalLoot = receivedLoot;
            lootable.wasLootCalculated = true;

        }

        // Spawning the loot on the ground
        Vector3 lootSpawnPostition = lootable.gameObject.transform.position;

        foreach (LootReceived lootReceived in lootable.finalLoot)
        {
            for (int i = 0; i < lootReceived.amount; i++)
            {
                GameObject lootSpawn = Instantiate(Resources.Load<GameObject>(lootReceived.item.name + "_Model"),
                    new Vector3(lootSpawnPostition.x, lootSpawnPostition.y+0.2f, lootSpawnPostition.z),
                    Quaternion.Euler(0,0,0));
            }
        }

        // if we want the blood puddle to stay on the ground

        if (lootable.GetComponent<Animal>())
        {
            lootable.GetComponent<Animal>().bloodPuddle.transform.SetParent(lootable.transform.parent);
        }

        // Destroy Looted body
        Destroy(lootable.gameObject);

        //if (chest){don't destroy }

    }





    IEnumerator DealDamageTo(Animal animal, float delay, int damage)
    {
        yield return new WaitForSeconds(delay);

        animal.TakeDamage(damage);
    }

    public void DisableSelection()
    {
        handIcon.enabled = false;
        centerDotImage.enabled = false;
        interaction_Info_UI.SetActive(false);
        selectedObject = null;
    }

    public void EnableSelection()
    {
        handIcon.enabled = true;
        centerDotImage.enabled = true;
        interaction_Info_UI.SetActive(true);

    }


}