77 lines
1.9 KiB
C#
77 lines
1.9 KiB
C#
using NaughtyAttributes;
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using UnityEngine;
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namespace Station46.Scripts
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{
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/// <summary>
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/// A general component for controlling the emission of an object.
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/// </summary>
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public class Emission : MonoBehaviour
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{
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protected static readonly int EmissionColorNameID = Shader.PropertyToID("_EmissionColor");
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[Tooltip("The colour of the emission.")]
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[ColorUsage(false, true)]
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public Color color;
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public bool startActive;
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[BoxGroup("Internal")] [Required]
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public MeshRenderer emissionRenderer;
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/// <summary>
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/// Whether the emission is on.
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/// </summary>
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internal bool active;
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private bool _previousActive;
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private Color _previousColor;
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private Material _material;
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protected virtual void Awake()
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{
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_material = emissionRenderer.material;
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}
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private void Start()
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{
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if (startActive)
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{
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active = true;
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}
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ChangedToggle();
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ChangedColor();
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}
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private void Update()
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{
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if (_previousActive != active)
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{
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ChangedToggle();
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_previousActive = active;
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}
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if (!_previousColor.Equals(color))
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{
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ChangedColor();
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_previousColor = color;
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}
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}
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protected virtual void ChangedToggle()
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{
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if (active)
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{
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_material.EnableKeyword("_EMISSION");
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}
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else
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{
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_material.DisableKeyword("_EMISSION");
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}
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}
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protected virtual void ChangedColor()
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{
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_material.SetColor(EmissionColorNameID, color);
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}
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}
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} |