811 lines
32 KiB
C#
811 lines
32 KiB
C#
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using System.Collections.Generic;
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using UnityEngine;
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// Sci-Fi Ship Controller. Copyright (c) 2018-2023 SCSM Pty Ltd. All rights reserved.
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namespace SciFiShipController
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{
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/// <summary>
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/// This module enables you to manage a prefab as it breaks into fragments.
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/// TODO: consider using simple capule or box colliders on fragments
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/// TODO: deal with proximityTrigger (should be per fragment or whole object)
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/// TODO: destructFragment.isObjectVisible isn't being set
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/// TODO: set explosion direction based on hit normal.
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/// </summary>
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[AddComponentMenu("Sci-Fi Ship Controller/Object Components/Destruct Module")]
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[HelpURL("http://scsmmedia.com/ssc-documentation")]
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public class DestructModule : MonoBehaviour
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{
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#region Enumerations
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public enum DisableRigidbodyMode
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{
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Destroy = 0,
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SetAsKinematic = 1,
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DontDisable = 2
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}
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public enum DespawnCondition
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{
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Time = 0,
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DontDespawn = 1
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//DistanceFromOrigin
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}
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#endregion
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#region Public Variables
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/// <summary>
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/// Should the explosion occur immediately the scene is started or the module is instantiated?
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/// This should be disabled if used with a pooling system.
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/// </summary>
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public bool isExplodeOnStart = false;
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/// <summary>
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/// Whether pooling is used when spawning destruct objects of this type.
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/// Currently we don't support changing this at runtime.
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/// </summary>
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public bool usePooling = true;
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/// <summary>
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/// The starting size of the pool.
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/// </summary>
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public int minPoolSize = 5;
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/// <summary>
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/// The maximum allowed size of the pool.
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/// </summary>
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public int maxPoolSize = 100;
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/// <summary>
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/// Add rigidbodies to the fragments in the prefab
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/// </summary>
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public bool isAddRigidBodiesEnabled = false;
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/// <summary>
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/// Add mesh colliders to the fragments in the prefab
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/// </summary>
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public bool isAddMeshCollidersEnabled = false;
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/// <summary>
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/// The default effective range of the blast
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/// </summary>
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public float explosionRadius = 5f;
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/// <summary>
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/// The default power of the blast
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/// </summary>
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public float explosionPower = 100f;
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/// <summary>
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/// When the speed in any direction of the fragment falls below this value, the fragment is considered to have stopped moving
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/// </summary>
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public float unmovingVelocity = 0.1f;
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/// <summary>
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/// This is the total mass of all the fragments
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/// </summary>
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public float mass = 1f;
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/// <summary>
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/// This may be more accurate when there the is a lot of variation between the size of each fragment.
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/// This method is slower during the initial configuration phase and may affect performance of non-pooled modules.
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/// </summary>
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public bool isCalcMassByBounds = false;
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/// <summary>
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/// The amount of drag the fragments have. A solid block of metal would be 0.001, while a feather would be 10.
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/// </summary>
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public float drag = 0.01f;
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/// <summary>
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/// The amount of angular drag the fragments have
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/// </summary>
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public float angularDrag = 0.05f;
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/// <summary>
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/// Fragments are effected by gravity
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/// </summary>
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public bool useGravity = true;
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/// <summary>
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/// The rigidbody interpolation
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/// </summary>
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public RigidbodyInterpolation interpolation = RigidbodyInterpolation.None;
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/// <summary>
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/// The rigidbody collision detection mode
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/// </summary>
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public CollisionDetectionMode collisionDetection = CollisionDetectionMode.Discrete;
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/// <summary>
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/// If a fragment has been unmoving for more than the maximum time, set the object as static
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/// and "disable" the rigidbody according to the "Disable Rigidbody Mode".
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/// </summary>
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public float maxTimeUnmoving = 1f;
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/// <summary>
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/// Start in Static mode rather than Dynamic.
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/// This is NOT compatible with disableRigidbodyMode == DisableRigidbodyMode.Destroy
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/// </summary>
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public bool isStartStatic = false;
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/// <summary>
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/// After this time (in seconds), the destruct object is automatically despawned or removed from the scene.
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/// </summary>
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public float despawnTime = 5f;
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// How the rigidbodies are disabled when the object is considered to be Static.
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// "Destroy" removes the rigidbody component and adds it back in as needed - best performance for unmoving objects
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// "Set As Kinematic" sets the rigidbody to kinematic - half/half performance
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// "Don't Disable" uses Unity default rigidbody behaviour where rigidbodies go into sleep mode until something collides with them
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// - best for objects being moved
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// "Destroy" is best for objects far away from each other, and "Don't Disable" is best for objects close to each other
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public DisableRigidbodyMode disableRigidbodyMode = DisableRigidbodyMode.Destroy;
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// The conditions under which this object despawns
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public DespawnCondition despawnCondition = DespawnCondition.DontDespawn;
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/// <summary>
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/// Wait until the fragment is not being rendered by the camera before being despawned
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/// NOTE: This has not been implemented yet
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/// </summary>
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public bool waitUntilNotRenderedToDespawn = false;
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/// <summary>
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/// Wait until the fragment is set to static before being despawned
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/// </summary>
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public bool waitUntilStaticToDespawn = true;
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/// <summary>
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/// [INTERNAL ONLY]
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/// </summary>
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[HideInInspector] public bool allowRepaint = false;
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#endregion
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#region Public Properties
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/// <summary>
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/// Has the module been initially configured?
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/// </summary>
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public bool IsInitialised { get; private set; }
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/// <summary>
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/// Is the destruct module currently in use?
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/// </summary>
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public bool IsActivated { get; private set; }
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/// <summary>
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/// [READONLY] Is the destruct module currently ready for use, or has it been paused?
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/// </summary>
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public bool IsDestructEnabled { get { return isDestructEnabled; } }
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public float EstimatedDespawnTime { get { return IsActivated && isDestructEnabled && despawnCondition == DespawnCondition.Time ? despawnTimer - despawnTime : float.PositiveInfinity; } }
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#endregion
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#region Private and Internal Variables
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[System.NonSerialized] private List<DestructFragment> destructFragmentList = null;
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[System.NonSerialized] private MeshRenderer[] meshRenderers = null;
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private int numFragments = 0;
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private int numActiveFragments = 0;
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private float sqrUnmovingVelocity;
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private bool isDynamic = false;
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//private SphereCollider proximityTrigger;
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private float despawnTimer = 0f;
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/// <summary>
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/// Is the destruct module currently running (ready of use), or has it been paused?
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/// </summary>
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private bool isDestructEnabled = true;
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/// <summary>
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/// [INTERNAL ONLY]
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/// Used to determine uniqueness
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/// </summary>
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[System.NonSerialized] internal uint itemSequenceNumber;
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/// <summary>
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/// [INTERNAL ONLY]
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/// Use with pooling which gets set in Activate(..)
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/// </summary>
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[System.NonSerialized] internal int destructPoolListIndex;
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#endregion
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#region Internal Static Variables
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internal static uint nextSequenceNumber = 1;
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#endregion
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#region Initialise Methods
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// Start is called before the first frame update
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void Start()
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{
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InitialiseDestruct();
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if (isExplodeOnStart)
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{
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InstantiateDestructParameters dstParms = new InstantiateDestructParameters
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{
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position = transform.position,
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rotation = transform.rotation,
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explosionPowerFactor = 1f,
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explosionRadiusFactor = 1f
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};
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ActivateModule(-1);
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Explode(dstParms);
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}
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}
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/// <summary>
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/// The module must always be initialised AND activated before it can be used.
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/// It should only be initialised once, while it can be activated and deactivated
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/// multiple times.
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/// </summary>
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internal bool InitialiseDestruct()
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{
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if (IsInitialised) { return true; }
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// Assume non-pooling. This gets set when Activate(..) is called.
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destructPoolListIndex = -1;
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// Calculate square of unmovingVelocity so that at runtime we can use the
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// vector3.sqrMagnitude function instead of the slower vector3.magnitude to compare velocities
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sqrUnmovingVelocity = unmovingVelocity * unmovingVelocity;
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meshRenderers = GetComponentsInChildren<MeshRenderer>();
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numFragments = meshRenderers == null ? 0 : meshRenderers.Length;
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// When first initialsed, all fragments are active.
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numActiveFragments = numFragments;
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if (numFragments > 0)
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{
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destructFragmentList = new List<DestructFragment>(numFragments);
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if (destructFragmentList != null)
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{
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int numFragmentsAdded = 0;
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GameObject fragmentGO = null;
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#region Calculate Total Bounds
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float totalVolume = 0f;
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// This will calculate the combined volume of all fragments as if they were laid out side by side.
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// It uses bounds to calculate volume rather than the actual volume of the fragment.
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if (isCalcMassByBounds)
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{
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for (int fIdx = 0; fIdx < numFragments; fIdx++)
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{
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MeshRenderer meshRenderer = meshRenderers[fIdx];
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Bounds _fragmentBounds = meshRenderer.bounds;
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totalVolume += _fragmentBounds.size.x * _fragmentBounds.size.y * _fragmentBounds.size.z;
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}
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}
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#endregion
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#region Populate the list of destructFragments.
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for (int fIdx = 0; fIdx < numFragments; fIdx++)
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{
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MeshRenderer meshRenderer = meshRenderers[fIdx];
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DestructFragment destructFragment = new DestructFragment();
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if (destructFragment != null)
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{
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fragmentGO = meshRenderer.gameObject;
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destructFragment.originalLocalPosition = fragmentGO.transform.localPosition;
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destructFragment.originalLocalRotation = fragmentGO.transform.localRotation;
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destructFragment.mRen = meshRenderer;
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destructFragment.isObjectVisible = meshRenderer.isVisible;
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// Calculate fragment mass
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if (isCalcMassByBounds && totalVolume > 0f)
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{
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Bounds _fragmentBounds = meshRenderer.bounds;
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destructFragment.mass = (_fragmentBounds.size.x * _fragmentBounds.size.y * _fragmentBounds.size.z) / totalVolume;
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//Debug.Log("[DEBUG] fragment mass: " + destructFragment.mass);
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}
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else { destructFragment.mass = mass / numFragments; }
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// Add a mesh collider if required
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if (isAddMeshCollidersEnabled)
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{
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MeshCollider meshCollider = meshRenderer.GetComponent<MeshCollider>();
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if (meshCollider == null)
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{
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meshCollider = fragmentGO.AddComponent<MeshCollider>();
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}
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if (meshCollider != null)
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{
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// Required for non-kinematic mesh colliders
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meshCollider.convex = true;
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}
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}
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Rigidbody rBody = meshRenderer.GetComponent<Rigidbody>();
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// Add a rigid body if required
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if (isAddRigidBodiesEnabled && rBody == null)
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{
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rBody = fragmentGO.AddComponent<Rigidbody>();
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}
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if (rBody != null)
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{
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destructFragment.rBody = rBody;
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}
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if (disableRigidbodyMode != DisableRigidbodyMode.Destroy)
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|||
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{
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SetUpRigidbody(destructFragment, useGravity, drag, angularDrag, interpolation, collisionDetection);
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}
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if (isStartStatic)
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{
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// If starting static, set the object as static
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SetStatic(destructFragment);
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}
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else
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|||
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{
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// Else set the object as dynamic
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SetDynamic(destructFragment);
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}
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destructFragmentList.Add(destructFragment);
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numFragmentsAdded++;
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|||
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}
|
|||
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}
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|||
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#endregion
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|||
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|||
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IsInitialised = numFragmentsAdded == numFragments;
|
|||
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}
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#if UNITY_EDITOR
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|||
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else { Debug.LogWarning("ERROR: DestructMoudle.Initialise() - could not create a new list of fragments. PLEASE REPORT"); }
|
|||
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#endif
|
|||
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}
|
|||
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|||
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return IsInitialised;
|
|||
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}
|
|||
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|||
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/// <summary>
|
|||
|
|
/// INCOMPLETE - should turn off renderers etc
|
|||
|
|
/// </summary>
|
|||
|
|
internal void DeactivateModule()
|
|||
|
|
{
|
|||
|
|
IsActivated = false;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Turn the destruct module on and get it ready for use
|
|||
|
|
/// </summary>
|
|||
|
|
internal uint ActivateModule(int poolIndex)
|
|||
|
|
{
|
|||
|
|
if (InitialiseDestruct())
|
|||
|
|
{
|
|||
|
|
IncrementSequenceNumber();
|
|||
|
|
|
|||
|
|
// Reset despawn timer
|
|||
|
|
despawnTimer = 0f;
|
|||
|
|
|
|||
|
|
if (usePooling)
|
|||
|
|
{
|
|||
|
|
for (int fIdx = 0; fIdx < numFragments; fIdx++)
|
|||
|
|
{
|
|||
|
|
DestructFragment destructFragment = destructFragmentList[fIdx];
|
|||
|
|
|
|||
|
|
if (destructFragment != null)
|
|||
|
|
{
|
|||
|
|
destructFragment.timeUnmoving = 0f;
|
|||
|
|
|
|||
|
|
if (destructFragment.isDespawned)
|
|||
|
|
{
|
|||
|
|
Transform transform = destructFragment.mRen == null ? null : transform = destructFragment.mRen.transform;
|
|||
|
|
|
|||
|
|
// Reset the rigidbody
|
|||
|
|
Rigidbody rBody = destructFragment.rBody;
|
|||
|
|
|
|||
|
|
if (rBody != null && transform != null)
|
|||
|
|
{
|
|||
|
|
// Reset position and rotation
|
|||
|
|
// At this point it may be Kinematic and should be only moved from
|
|||
|
|
// FixedUpdate with rBody.MovePosition(..) and rBody.MoveRotation(..). However,
|
|||
|
|
// as we're about to turn off Kinematic so we should be ok... maybe.
|
|||
|
|
transform.localPosition = destructFragment.originalLocalPosition;
|
|||
|
|
transform.localRotation = destructFragment.originalLocalRotation;
|
|||
|
|
|
|||
|
|
rBody.velocity = Vector3.zero;
|
|||
|
|
rBody.angularVelocity = Vector3.zero;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (transform != null)
|
|||
|
|
{
|
|||
|
|
transform.gameObject.SetActive(true);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
destructFragment.isDespawned = false;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
numActiveFragments = numFragments;
|
|||
|
|
|
|||
|
|
destructPoolListIndex = poolIndex;
|
|||
|
|
}
|
|||
|
|
else { destructPoolListIndex = -1; }
|
|||
|
|
|
|||
|
|
SetDynamicAll();
|
|||
|
|
isDestructEnabled = true;
|
|||
|
|
IsActivated = true;
|
|||
|
|
|
|||
|
|
return itemSequenceNumber;
|
|||
|
|
}
|
|||
|
|
else { return 0; }
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
#endregion
|
|||
|
|
|
|||
|
|
#region Update Methods
|
|||
|
|
|
|||
|
|
// Update is called once per frame
|
|||
|
|
void Update()
|
|||
|
|
{
|
|||
|
|
if (!isDestructEnabled || !IsActivated) { return; }
|
|||
|
|
|
|||
|
|
#region Disabling dynamic
|
|||
|
|
// Determine what to do when a fragment stops moving
|
|||
|
|
if (disableRigidbodyMode != DisableRigidbodyMode.DontDisable)
|
|||
|
|
{
|
|||
|
|
for (int fIdx = 0; fIdx < numFragments; fIdx++)
|
|||
|
|
{
|
|||
|
|
DestructFragment destructFragment = destructFragmentList[fIdx];
|
|||
|
|
if (destructFragment != null && destructFragment.isDynamic && !destructFragment.isDespawned && destructFragment.rBody != null)
|
|||
|
|
{
|
|||
|
|
// Check if the object is currently "unmoving"
|
|||
|
|
if (destructFragment.rBody.velocity.sqrMagnitude < sqrUnmovingVelocity)
|
|||
|
|
{
|
|||
|
|
// If it isn't moving increment the unmoving timer
|
|||
|
|
destructFragment.timeUnmoving += Time.deltaTime;
|
|||
|
|
|
|||
|
|
if (destructFragment.timeUnmoving > maxTimeUnmoving)
|
|||
|
|
{
|
|||
|
|
// If it has been unmoving for more than the maximum time set the object as static
|
|||
|
|
SetStatic(destructFragment);
|
|||
|
|
// Reset the timer
|
|||
|
|
destructFragment.timeUnmoving = 0f;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
// If it is moving reset the unmoving timer
|
|||
|
|
destructFragment.timeUnmoving = 0f;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
#endregion
|
|||
|
|
|
|||
|
|
#region Despawn based on elapsed time
|
|||
|
|
if (despawnCondition == DespawnCondition.Time)
|
|||
|
|
{
|
|||
|
|
// Increment the despawn timer
|
|||
|
|
despawnTimer += Time.deltaTime;
|
|||
|
|
|
|||
|
|
for (int fIdx = 0; fIdx < numFragments; fIdx++)
|
|||
|
|
{
|
|||
|
|
DestructFragment destructFragment = destructFragmentList[fIdx];
|
|||
|
|
|
|||
|
|
// If needed wait until it isn't rendered to despawn
|
|||
|
|
if (destructFragment != null && !destructFragment.isDespawned && (!waitUntilNotRenderedToDespawn || !destructFragment.isObjectVisible))
|
|||
|
|
{
|
|||
|
|
// If needed to wait until it is static to despawn
|
|||
|
|
if (!waitUntilStaticToDespawn || !destructFragment.isDynamic || (disableRigidbodyMode == DisableRigidbodyMode.DontDisable && destructFragment.rBody.IsSleeping()))
|
|||
|
|
{
|
|||
|
|
// Only despawn if a given time has elapsed
|
|||
|
|
if (despawnTimer > despawnTime)
|
|||
|
|
{
|
|||
|
|
// Despawn the fragment
|
|||
|
|
Despawn(destructFragment, fIdx);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
#endregion
|
|||
|
|
|
|||
|
|
//// Despawn based on distance
|
|||
|
|
//else if (despawnCondition == DespawnCondition.DistanceFromOrigin)
|
|||
|
|
//{
|
|||
|
|
// // If needed wait until it isn't rendered to despawn
|
|||
|
|
// if (!waitUntilNotRenderedToDespawn || !objectVisible)
|
|||
|
|
// {
|
|||
|
|
// // If needed wait until it is static to despawn
|
|||
|
|
// if (!waitUntilStaticToDespawn || !isDynamic || (disableRigidbodyMode == DisableRigidbodyMode.DontDisable && rBody.IsSleeping()))
|
|||
|
|
// {
|
|||
|
|
// // Only despawn if it is more than a given distance from its starting point
|
|||
|
|
// if (Vector3.Distance(origin, transform.position) > despawnDistance)
|
|||
|
|
// {
|
|||
|
|
// // Despawn the object
|
|||
|
|
// Despawn();
|
|||
|
|
// }
|
|||
|
|
// }
|
|||
|
|
// }
|
|||
|
|
//}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
#endregion
|
|||
|
|
|
|||
|
|
#region Private and Internal Methods
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Makes this DestructModule unique from all others that have gone before them.
|
|||
|
|
/// This is called every time beam is Activated.
|
|||
|
|
/// </summary>
|
|||
|
|
internal void IncrementSequenceNumber()
|
|||
|
|
{
|
|||
|
|
itemSequenceNumber = nextSequenceNumber++;
|
|||
|
|
// if sequence number needs to be wrapped, do so to a high-ish number that is unlikely to be in use
|
|||
|
|
if (nextSequenceNumber > uint.MaxValue - 100) { nextSequenceNumber = 100000; }
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// CURRENTLY NOT IMPLEMENTED
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="other"></param>
|
|||
|
|
private void OnTriggerEnter(Collider other)
|
|||
|
|
{
|
|||
|
|
// If the proximity trigger collider is triggered when the object is static...
|
|||
|
|
if (disableRigidbodyMode != DisableRigidbodyMode.DontDisable && !isDynamic)
|
|||
|
|
{
|
|||
|
|
// Check whether the other collider has a rigidbody attached and is moving.
|
|||
|
|
Rigidbody otherRBody = other.attachedRigidbody;
|
|||
|
|
if (otherRBody != null && otherRBody.velocity.sqrMagnitude > sqrUnmovingVelocity)
|
|||
|
|
{
|
|||
|
|
SetDynamicAll();
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// Use OnBecameVisible and OnBecameInvisible events to track object visibility
|
|||
|
|
// INCOMPLETE - currently only works if there is a mesh renderer attached to the
|
|||
|
|
// parent gameobject.
|
|||
|
|
private void OnBecameVisible()
|
|||
|
|
{
|
|||
|
|
//Debug.Log("[DEBUG] Become visible T:" + Time.time);
|
|||
|
|
//objectVisible = true;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
private void OnBecameInvisible()
|
|||
|
|
{
|
|||
|
|
//objectVisible = false;
|
|||
|
|
//Debug.Log("[DEBUG] Become invisible T:" + Time.time);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
private void SetDynamicAll()
|
|||
|
|
{
|
|||
|
|
for (int fIdx = 0; fIdx < numFragments; fIdx++)
|
|||
|
|
{
|
|||
|
|
DestructFragment destructFragment = destructFragmentList[fIdx];
|
|||
|
|
if (destructFragment != null) { SetDynamic(destructFragment); }
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
private void SetDynamic(DestructFragment destructFragment)
|
|||
|
|
{
|
|||
|
|
// Disable the static flags, enable the rigidbody and disable the proximity trigger
|
|||
|
|
//if (proximityTrigger != null) { proximityTrigger.enabled = false; }
|
|||
|
|
if (disableRigidbodyMode == DisableRigidbodyMode.Destroy)
|
|||
|
|
{
|
|||
|
|
SetUpRigidbody(destructFragment, useGravity, drag, angularDrag, interpolation, collisionDetection);
|
|||
|
|
}
|
|||
|
|
else if (disableRigidbodyMode == DisableRigidbodyMode.SetAsKinematic)
|
|||
|
|
{
|
|||
|
|
if (destructFragment.rBody != null)
|
|||
|
|
{
|
|||
|
|
destructFragment.rBody.isKinematic = false;
|
|||
|
|
destructFragment.rBody.collisionDetectionMode = collisionDetection;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
// Set the state of isDynamic
|
|||
|
|
destructFragment.isDynamic = true;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
private void SetStaticAll()
|
|||
|
|
{
|
|||
|
|
for (int fIdx = 0; fIdx < numFragments; fIdx++)
|
|||
|
|
{
|
|||
|
|
DestructFragment destructFragment = destructFragmentList[fIdx];
|
|||
|
|
if (destructFragment != null) { SetStatic(destructFragment); }
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
private void SetStatic(DestructFragment destructFragment)
|
|||
|
|
{
|
|||
|
|
// Enable the static flags (except for batching), disable the rigidbody and enable the proximity trigger
|
|||
|
|
// NOTE: batching and proximity trigger are not implemented yet.
|
|||
|
|
//if (proximityTrigger != null) { proximityTrigger.enabled = true; }
|
|||
|
|
|
|||
|
|
if (disableRigidbodyMode == DisableRigidbodyMode.Destroy)
|
|||
|
|
{
|
|||
|
|
// Destroy may not happen in the current frame. If SetDynamic is called immediately after SetStatic,
|
|||
|
|
// like on activation when isStartStatic is true, SetDynamic may add the rigidbody only to have it
|
|||
|
|
// immediately destroyed.
|
|||
|
|
if (destructFragment.rBody != null) { Destroy(destructFragment.rBody); destructFragment.rBody = null; }
|
|||
|
|
}
|
|||
|
|
else if (disableRigidbodyMode == DisableRigidbodyMode.SetAsKinematic)
|
|||
|
|
{
|
|||
|
|
if (destructFragment.rBody != null)
|
|||
|
|
{
|
|||
|
|
destructFragment.rBody.collisionDetectionMode = CollisionDetectionMode.ContinuousSpeculative;
|
|||
|
|
destructFragment.rBody.isKinematic = true;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
// Set the state of isDynamic
|
|||
|
|
destructFragment.isDynamic = false;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// Set up a rigidbody for the fragment
|
|||
|
|
private void SetUpRigidbody(DestructFragment destructFragment, bool rUseGravity, float rDrag, float rAngularDrag, RigidbodyInterpolation rInterpolation, CollisionDetectionMode rCollisionDetection)
|
|||
|
|
{
|
|||
|
|
if (destructFragment != null && destructFragment.mRen != null)
|
|||
|
|
{
|
|||
|
|
destructFragment.rBody = destructFragment.mRen.GetComponent<Rigidbody>();
|
|||
|
|
if (destructFragment.rBody == null) { destructFragment.rBody = destructFragment.mRen.gameObject.AddComponent<Rigidbody>(); }
|
|||
|
|
destructFragment.rBody.mass = destructFragment.mass;
|
|||
|
|
destructFragment.rBody.drag = rDrag;
|
|||
|
|
destructFragment.rBody.angularDrag = rAngularDrag;
|
|||
|
|
destructFragment.rBody.interpolation = rInterpolation;
|
|||
|
|
destructFragment.rBody.collisionDetectionMode = rCollisionDetection;
|
|||
|
|
destructFragment.rBody.useGravity = rUseGravity;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Set up a spherecollider and return that spherecollider
|
|||
|
|
/// CURENTLY NOT FULLY IMPLEMENTED - set for the whole object not per fragment
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="proximity"></param>
|
|||
|
|
/// <returns></returns>
|
|||
|
|
private SphereCollider SetUpProximityTrigger(float proximity)
|
|||
|
|
{
|
|||
|
|
// Set up a "proximity trigger" collider: a sphere collider of a defined radius with "isTrigger" enabled
|
|||
|
|
SphereCollider trigger = gameObject.AddComponent<SphereCollider>();
|
|||
|
|
trigger.isTrigger = true;
|
|||
|
|
// Radius needs to be scaled down by the scale of the object to be a correct proximity measurement
|
|||
|
|
Vector3 objectScale = transform.lossyScale;
|
|||
|
|
trigger.radius = proximity / Mathf.Max(objectScale.x, objectScale.y, objectScale.z);
|
|||
|
|
return trigger;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// If no more fragements to despawn, this then calls Despawn().
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="destructFragment"></param>
|
|||
|
|
/// <param name="fragmentIndex"></param>
|
|||
|
|
private void Despawn(DestructFragment destructFragment, int fragmentIndex)
|
|||
|
|
{
|
|||
|
|
if (usePooling)
|
|||
|
|
{
|
|||
|
|
// Deactivate the fragment
|
|||
|
|
destructFragment.isDespawned = true;
|
|||
|
|
destructFragment.mRen.gameObject.SetActive(false);
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
Destroy(destructFragment.mRen.gameObject);
|
|||
|
|
destructFragmentList.RemoveAt(fragmentIndex);
|
|||
|
|
numFragments--;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
numActiveFragments--;
|
|||
|
|
|
|||
|
|
if (numActiveFragments < 1)
|
|||
|
|
{
|
|||
|
|
Despawn();
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// Despawn the object
|
|||
|
|
private void Despawn()
|
|||
|
|
{
|
|||
|
|
if (usePooling && destructPoolListIndex >= 0)
|
|||
|
|
{
|
|||
|
|
IsActivated = false;
|
|||
|
|
// Return it to the pool
|
|||
|
|
gameObject.SetActive(false);
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
Destroy(gameObject);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// UNTESTED
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="isEnabled"></param>
|
|||
|
|
private void EnableOrDisableDestruct(bool isEnabled)
|
|||
|
|
{
|
|||
|
|
if (IsActivated)
|
|||
|
|
{
|
|||
|
|
for (int fIdx = 0; fIdx < numFragments; fIdx++)
|
|||
|
|
{
|
|||
|
|
DestructFragment destructFragment = destructFragmentList[fIdx];
|
|||
|
|
|
|||
|
|
// Fragments that are already despawned and those without a rigidbody do not need to be paused
|
|||
|
|
if (destructFragment != null && !destructFragment.isDespawned && destructFragment.rBody != null)
|
|||
|
|
{
|
|||
|
|
// If enabling and this fragement was paused, unpause it now
|
|||
|
|
if (isEnabled && destructFragment.isPaused && destructFragment.isDynamic)
|
|||
|
|
{
|
|||
|
|
destructFragment.rBody.isKinematic = false;
|
|||
|
|
destructFragment.rBody.collisionDetectionMode = collisionDetection;
|
|||
|
|
}
|
|||
|
|
else if (!isEnabled)
|
|||
|
|
{
|
|||
|
|
destructFragment.rBody.collisionDetectionMode = CollisionDetectionMode.ContinuousSpeculative;
|
|||
|
|
destructFragment.rBody.isKinematic = true;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
destructFragment.rBody.detectCollisions = isEnabled;
|
|||
|
|
destructFragment.isPaused = !isEnabled;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
isDestructEnabled = isEnabled;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
#endregion
|
|||
|
|
|
|||
|
|
#region Public API Methods
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Disable or pause the Destruct module
|
|||
|
|
/// </summary>
|
|||
|
|
public void DisableDestruct()
|
|||
|
|
{
|
|||
|
|
EnableOrDisableDestruct(false);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Enable or unpause the Destruct module
|
|||
|
|
/// </summary>
|
|||
|
|
public void EnableDestruct()
|
|||
|
|
{
|
|||
|
|
EnableOrDisableDestruct(true);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Explode or begin the destruction process
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="dstParms"></param>
|
|||
|
|
public void Explode(InstantiateDestructParameters dstParms)
|
|||
|
|
{
|
|||
|
|
if (IsActivated)
|
|||
|
|
{
|
|||
|
|
for (int fIdx = 0; fIdx < numFragments; fIdx++)
|
|||
|
|
{
|
|||
|
|
DestructFragment destructFragment = destructFragmentList[fIdx];
|
|||
|
|
|
|||
|
|
if (destructFragment != null)
|
|||
|
|
{
|
|||
|
|
if (destructFragment.rBody != null)
|
|||
|
|
{
|
|||
|
|
destructFragment.rBody.AddExplosionForce(explosionPower * dstParms.explosionPowerFactor, dstParms.position, explosionRadius * dstParms.explosionRadiusFactor);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
#endregion
|
|||
|
|
}
|
|||
|
|
}
|