cards-simulator/unity/Assets/Scripts/Card.cs

using System.Collections;
using System.IO;
using System.Collections.Generic;
using UnityEngine;
using TMPro;
using UnityEngine.UI;
using UnityEngine.EventSystems;

public class Card : MonoBehaviour, IPointerEnterHandler, IPointerExitHandler{
	public GameObject cardCanvas;
	private GameObject cardPreview;
	public static bool preparingCard = false;
	public static GameObject cardBeingPrepared;
	public bool preparedCard = false;
	public static Vector3 preparingOffset = new Vector3(0f,40f);
	public bool thrown = false;
	private GameObject actionMenu;
	private static GameObject thrownCards;

	void Start() {
		cardPreview = GameObject.FindGameObjectsWithTag("CardPreview")[0];
		thrownCards = GameObject.FindGameObjectsWithTag("ThrownCards")[0];
		actionMenu = transform.Find("ActionMenu").gameObject;
		actionMenu.SetActive(false);
		GetComponent<Button>().onClick.AddListener(OnClickCard);
	}
	
    public void OnPointerEnter(PointerEventData edata) {
        if(cardPreview && !cardBeingPrepared) {
			SetPreview();
		}
    }
	
	public void OnPointerExit(PointerEventData edata) {
        if(cardPreview && !cardBeingPrepared) {
			HidePreview();
		}
    }
	public void OnClickCard() {
		if ((!preparingCard || cardBeingPrepared != gameObject) && !thrown) {
			cardBeingPrepared = gameObject;
			SetPreview();
			preparingCard = true;
		}
	}

	public void Update() {
		if(cardBeingPrepared == gameObject && !thrown) {
			if (!preparedCard) {
				transform.position += preparingOffset;
				preparedCard = true;
			}
		} else {
			if (preparedCard) {
				transform.position -= preparingOffset;
				preparedCard = false;
			}
		}
		actionMenu.SetActive(preparedCard);
    }

	private void SetPreview() {
		cardPreview.GetComponentsInChildren<RawImage>()[0].enabled = true;
		cardPreview.GetComponentsInChildren<Text>()[0].enabled = true;
		cardPreview.GetComponentsInChildren<Text>()[1].enabled = true;
		cardPreview.GetComponentsInChildren<Text>()[2].enabled = true;
		cardPreview.GetComponentsInChildren<RawImage>()[1].enabled = true;
		cardPreview.GetComponentsInChildren<TMP_Text>()[0].enabled = true;
		cardPreview.GetComponentsInChildren<Text>()[0].text = gameObject.GetComponentsInChildren<Text>()[0].text;
		cardPreview.GetComponentsInChildren<Text>()[1].text = gameObject.GetComponentsInChildren<Text>()[1].text;
		cardPreview.GetComponentsInChildren<Text>()[2].text = gameObject.GetComponentsInChildren<Text>()[2].text;
		cardPreview.GetComponentsInChildren<RawImage>()[1].texture = gameObject.GetComponentsInChildren<RawImage>()[1].texture;
		cardPreview.GetComponentsInChildren<TMP_Text>()[0].text = gameObject.GetComponentsInChildren<TMP_Text>()[0].text;
		cardPreview.GetComponentsInChildren<RawImage>()[0].texture = gameObject.GetComponentsInChildren<RawImage>()[0].texture;
	}

	private void HidePreview() {
		cardPreview.GetComponentsInChildren<RawImage>()[0].enabled = false;
		cardPreview.GetComponentsInChildren<Text>()[0].enabled = false;
		cardPreview.GetComponentsInChildren<Text>()[1].enabled = false;
		cardPreview.GetComponentsInChildren<Text>()[2].enabled = false;
		cardPreview.GetComponentsInChildren<RawImage>()[1].enabled = false;
		cardPreview.GetComponentsInChildren<TMP_Text>()[0].enabled = false;
	}

	public void ThrowCard() {
		var canvas = Instantiate(cardCanvas,new Vector3(0, 0.51f+thrownCards.transform.childCount*0.01f, -2.79f), transform.rotation);
		canvas.GetComponent<Canvas>().worldCamera = Camera.main;
		var newCard = Instantiate(gameObject, Vector3.zero, Quaternion.identity, canvas.transform);
		newCard.transform.localScale = Vector3.one;
		newCard.GetComponent<Card>().thrown = true;
		canvas.transform.SetParent(thrownCards.transform);
		canvas.transform.localScale = new Vector3(0.0025f, 0.0025f);
		GetComponentsInChildren<RawImage>()[0].enabled = false;
		GetComponentsInChildren<Text>()[0].enabled = false;
		GetComponentsInChildren<Text>()[1].enabled = false;
		GetComponentsInChildren<Text>()[2].enabled = false;
		GetComponentsInChildren<RawImage>()[1].enabled = false;
		GetComponentsInChildren<TMP_Text>()[0].enabled = false;
		canvas.transform.Rotate(new Vector3(90f, 0f, 0f));
		canvas.transform.Rotate(new Vector3(0f, 0f, Random.Range(-15, 15)));
		Destroy(gameObject);
	}

	public void DoContextualAction() {
		if(preparedCard) {
			ThrowCard();
        }
    }

	public void CancelContextualAction() {
		if (preparedCard) {
			cardBeingPrepared = null;
		}
	}
}