117 lines
2.4 KiB
C#
117 lines
2.4 KiB
C#
using System;
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using UnityEngine;
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namespace UltimateWater
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{
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public class WindWavesSpectrumOverlay
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{
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private Vector2[][] _SpectrumData;
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private Texture2D _Texture;
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private bool _TextureDirty = true;
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private readonly WindWaves _WindWaves;
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public Texture2D Texture
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{
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get
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{
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if (_TextureDirty)
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{
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ValidateTexture();
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}
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return _Texture;
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}
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}
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public event Action Cleared;
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public WindWavesSpectrumOverlay(WindWaves windWaves)
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{
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_WindWaves = windWaves;
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_SpectrumData = new Vector2[4][];
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for (int i = 0; i < 4; i++)
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{
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_SpectrumData[i] = new Vector2[windWaves.FinalResolution * windWaves.FinalResolution];
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}
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}
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public void Destroy()
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{
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_SpectrumData = null;
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this.Cleared = null;
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if (_Texture != null)
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{
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UnityEngine.Object.Destroy(_Texture);
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_Texture = null;
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}
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}
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public Vector2[] GetSpectrumDataDirect(int tileIndex)
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{
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return _SpectrumData[tileIndex];
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}
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public void Refresh()
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{
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int finalResolution = _WindWaves.FinalResolution;
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int num = finalResolution * finalResolution;
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for (int i = 0; i < 4; i++)
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{
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Vector2[] array = _SpectrumData[i];
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if (array.Length == num)
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{
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for (int j = 0; j < array.Length; j++)
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{
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array[j] = new Vector2(0f, 0f);
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}
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}
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else
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{
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_SpectrumData[i] = new Vector2[num];
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}
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}
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_TextureDirty = true;
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if (this.Cleared != null)
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{
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this.Cleared();
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}
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}
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private void ValidateTexture()
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{
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_TextureDirty = false;
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int finalResolution = _WindWaves.FinalResolution;
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int num = finalResolution << 1;
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if (_Texture != null && _Texture.width != num)
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{
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UnityEngine.Object.Destroy(_Texture);
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_Texture = null;
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}
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if (_Texture == null)
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{
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_Texture = new Texture2D(num, num, TextureFormat.RGHalf, false, true)
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{
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filterMode = FilterMode.Point
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};
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}
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for (int i = 0; i < 4; i++)
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{
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Vector2[] array = _SpectrumData[i];
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int num2 = ((i == 1 || i == 3) ? finalResolution : 0);
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int num3 = ((i == 2 || i == 3) ? finalResolution : 0);
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for (int num4 = finalResolution - 1; num4 >= 0; num4--)
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{
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for (int num5 = finalResolution - 1; num5 >= 0; num5--)
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{
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Vector2 vector = array[num4 * finalResolution + num5];
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_Texture.SetPixel(num2 + num4, num3 + num5, new Color(vector.x, vector.y, 0f, 0f));
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}
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}
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}
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_Texture.Apply(false, false);
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}
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}
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}
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