75 lines
2.4 KiB
C#
75 lines
2.4 KiB
C#
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using System;
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using UnityEngine;
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namespace StylizedWater2
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{
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[HelpURL("https://staggart.xyz/unity/stylized-water-2/sw2-dynamic-effects-docs/")]
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[AddComponentMenu("Stylized Water 2/Dynamic Water Effect")]
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public class DynamicEffect : MonoBehaviour
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{
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#pragma warning disable 108,114 //New keyword
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public Renderer renderer;
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#pragma warning restore 108,114
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[Tooltip("Higher layers are always drawn over lower layers. Use this to override other effects on a lower layer.\n\nThis is effectively the render queue")]
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public int sortingLayer = 0;
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public float displacementScale = 1f;
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public float foamAmount = 1f;
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public float normalStrength = 1f;
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private void Reset()
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{
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renderer = GetComponent<Renderer>();
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if (!renderer)
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{
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DestroyImmediate(this);
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throw new Exception("Component must only be added to a GameObject with a renderer (Mesh Renderer, Trail Renderer, Line Renderer or Particle System)");
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}
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}
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private MaterialPropertyBlock _props;
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public MaterialPropertyBlock props
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{
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get
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{
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//Fetch when required, execution order makes it unreliable otherwise
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if (_props == null)
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{
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_props = new MaterialPropertyBlock();
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renderer.GetPropertyBlock(_props);
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}
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return _props;
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}
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private set => _props = value;
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}
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void Start()
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{
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UpdateProperties();
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}
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private void OnValidate()
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{
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UpdateProperties();
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}
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private static readonly int _HeightScale = Shader.PropertyToID("_HeightScale");
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private static readonly int _FoamStrength = Shader.PropertyToID("_FoamStrength");
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private static readonly int _NormalStrength = Shader.PropertyToID("_NormalStrength");
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public void UpdateProperties()
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{
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if (!renderer) return;
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renderer.sortingOrder = sortingLayer;
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props.SetFloat(_HeightScale, displacementScale);
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props.SetFloat(_FoamStrength, foamAmount);
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props.SetFloat(_NormalStrength, normalStrength);
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renderer.SetPropertyBlock(props);
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}
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}
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}
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