70 lines
2.9 KiB
C#
70 lines
2.9 KiB
C#
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.Linq;
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using UnityEngine;
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using UnityEngine.EventSystems;
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using UnityEngine.UI;
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namespace Assets.PixelHeroes.Scripts.UI
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{
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public class LayerControls : MonoBehaviour
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{
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public Button Prev;
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public Button Next;
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public Dropdown Dropdown;
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public Button Hide;
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public Button Paint;
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public Slider Hue;
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public Slider Saturation;
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public Slider Brightness;
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public Transform FixedColors;
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public Action<Color> OnSelectFixedColor;
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public void Start()
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{
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foreach (var button in FixedColors.GetComponentsInChildren<Button>())
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{
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button.onClick.AddListener(() => SelectFixedColor(button.targetGraphic.color));
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}
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var onPointerUp = new EventTrigger.Entry { eventID = EventTriggerType.PointerUp };
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var onPointerExit = new EventTrigger.Entry { eventID = EventTriggerType.PointerExit };
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onPointerUp.callback.AddListener(eventData => StartCoroutine(OnDropdownExpanded()));
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onPointerExit.callback.AddListener(eventData => { if (Dropdown.GetComponentInChildren<ScrollRect>() != null) Dropdown.onValueChanged.Invoke(Dropdown.value); });
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Dropdown.GetComponent<EventTrigger>().triggers = new List<EventTrigger.Entry> { onPointerUp, onPointerExit };
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}
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public void SelectFixedColor(Color color)
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{
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OnSelectFixedColor?.Invoke(color);
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}
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private IEnumerator OnDropdownExpanded()
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{
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yield return null;
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var toggles = Dropdown.GetComponentsInChildren<Toggle>().ToList();
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for (var i = 0; i < toggles.Count; i++)
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{
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var index = i;
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var pointerEnter = new EventTrigger.Entry { eventID = EventTriggerType.PointerEnter };
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var pointerClick = new EventTrigger.Entry { eventID = EventTriggerType.PointerClick };
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var scroll = new EventTrigger.Entry { eventID = EventTriggerType.Scroll };
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var scrollRect = Dropdown.GetComponentInChildren<ScrollRect>();
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pointerEnter.callback.AddListener(eventData => Dropdown.onValueChanged.Invoke(index));
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pointerClick.callback.AddListener(eventData => toggles.ForEach(j => Destroy(j.GetComponent<EventTrigger>())));
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scroll.callback.AddListener(eventData => scrollRect.OnScroll(eventData as PointerEventData));
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toggles[i].gameObject.AddComponent<EventTrigger>().triggers = new List<EventTrigger.Entry> { pointerEnter, pointerClick, scroll };
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}
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if (Dropdown.options.Count > 1)
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{
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Dropdown.GetComponentInChildren<ScrollRect>().verticalScrollbar.value = 1 - (float) Dropdown.value / (Dropdown.options.Count - 1);
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}
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}
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}
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}
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