101 lines
4.3 KiB
C#
101 lines
4.3 KiB
C#
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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 is used with the ShipDisplayModule to aim fixed weapons where the
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/// active display reticle is pointing.
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/// Attach this script to a gameobject in the scene.
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/// NOTE: It is not physically accurate as the fixed weapon on your model
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/// will still be pointing in its original direction. e.g. straight ahead.
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/// This is only sample to demonstrate how API calls could be used in
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/// your own code. You should write your own version of this in your own
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/// namespace.
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/// </summary>
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[AddComponentMenu("Sci-Fi Ship Controller/Samples/Aim With Reticle")]
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[HelpURL("http://scsmmedia.com/ssc-documentation")]
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public class SampleAimWithReticle : MonoBehaviour
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{
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#region Public Variables
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[Header("HUD from the scene")]
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public ShipDisplayModule shipDisplayModule = null;
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[Header("Player ship from the scene")]
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public ShipControlModule shipControlModule = null;
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[Header("Weapon")]
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[Range(1,50)] public int weaponNumber = 1;
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#endregion
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#region Private Variables
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private bool isInitialised = false;
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private Weapon weapon = null;
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#endregion
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#region Initialisation 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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if (shipDisplayModule != null)
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{
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if (shipControlModule != null)
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{
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int numWeapons = shipControlModule.shipInstance == null ? 0 : shipControlModule.shipInstance.NumberOfWeapons;
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if (numWeapons >= weaponNumber)
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{
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weapon = shipControlModule.shipInstance.GetWeaponByIndex(weaponNumber - 1);
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isInitialised = weapon != null;
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}
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#if UNITY_EDITOR
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else
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{
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Debug.LogWarning("SampleAimWithReticle - You need to select a valid weapon number. Check the Combat tab on " + shipControlModule.name);
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}
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#endif
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}
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#if UNITY_EDITOR
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else
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{
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Debug.LogWarning("SampleAimWithReticle - shipControlModule is not set. Did you forget to add the player ship in the inspector?");
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}
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#endif
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}
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#if UNITY_EDITOR
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else
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{
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Debug.LogWarning("SampleAimWithReticle - shipDisplayModule is not set in the inspector.");
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}
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#endif
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}
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#endregion
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#region Update Methods
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// Update is called once per frame
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void Update()
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{
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// Notice that the Ship Display Module may have been initialised AFTER Start() ran in this script.
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if (isInitialised && shipDisplayModule.IsInitialised && shipDisplayModule.lockDisplayReticleToCursor && shipDisplayModule.IsDisplayReticleShown)
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{
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// In your game code, you may wish to pre-initialise or cache some of these values
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if (shipControlModule.IsInitialised && !shipControlModule.shipInstance.Destroyed())
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{
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// the Vector3.z is automatically set to 0 when the vector2 is implicitly converted to a vector3.
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Ray ray = shipDisplayModule.mainCamera.ViewportPointToRay(shipDisplayModule.DisplayReticleViewportPoint);
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// Uncomment to see in scene view
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//Debug.DrawRay(shipControlModule.shipInstance.TransformPosition, ray.direction.normalized * weapon.estimatedRange, Color.red);
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// This uses the weapon's max range but your game code could use an alternative distance if required
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// You could also do a physics raycast to see if there are any enemy within your sights
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shipControlModule.shipInstance.SetWeaponFireDirection(weaponNumber - 1, shipControlModule.shipInstance.TransformPosition + (ray.direction.normalized * weapon.estimatedRange));
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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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