36 lines
1.1 KiB
C#
36 lines
1.1 KiB
C#
using System;
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using System.Collections.Generic;
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using UnityEngine;
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namespace Syntriax.Modules.Trigger
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{
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public abstract class ColliderTriggerAreaBase : MonoBehaviour, IColliderTriggerArea
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{
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protected Collider2D[] nonAllocResults = new Collider2D[32];
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protected int previousTriggerCount = 0;
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public LayerMask ColliderMask { get; set; } = ~0;
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public Action<List<Collider2D>> OnTriggeredCollidersUpdated { get; set; } = null;
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public List<Collider2D> ColliderList { get; protected set; } = new List<Collider2D>(32);
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protected abstract int TriggerCount { get; }
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public virtual bool Check()
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{
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int triggerCount = TriggerCount;
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if (triggerCount != previousTriggerCount)
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{
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ColliderList.Clear();
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for (int i = 0; i < triggerCount; i++)
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ColliderList.Add(nonAllocResults[i]);
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OnTriggeredCollidersUpdated?.Invoke(ColliderList);
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}
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previousTriggerCount = triggerCount;
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return triggerCount > 0;
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}
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}
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}
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