105 lines
3.2 KiB
C#
105 lines
3.2 KiB
C#
// Crest Water System
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// Copyright © 2024 Wave Harmonic. All rights reserved.
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#if UNITY_EDITOR
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using UnityEngine;
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using UnityEngine.Rendering;
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namespace WaveHarmonic.Crest
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{
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partial class SurfaceRenderer
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{
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RenderTexture _WaterLevelDepthTexture;
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internal RenderTexture WaterLevelDepthTexture => _WaterLevelDepthTexture;
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RenderTargetIdentifier _WaterLevelDepthTarget;
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Material _WaterLevelDepthMaterial;
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const string k_WaterLevelDepthTextureName = "Crest Water Level Depth Texture";
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void ExecuteWaterLevelDepthTexture(Camera camera, CommandBuffer buffer)
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{
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// Currently, only used for painting which means only when mouse is over the view.
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if (!_Water._CurrentSceneCameraHasMouseHover)
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{
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return;
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}
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if (_WaterLevelDepthTexture == null)
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{
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_WaterLevelDepthTexture = new(0, 0, 0);
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}
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WaterLevelDepthTexture.name = k_WaterLevelDepthTextureName;
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if (_WaterLevelDepthMaterial == null)
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{
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_WaterLevelDepthMaterial = new(Shader.Find("Hidden/Crest/Editor/Water Level (Depth)"));
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}
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var descriptor = new RenderTextureDescriptor(camera.pixelWidth, camera.pixelHeight)
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{
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graphicsFormat = UnityEngine.Experimental.Rendering.GraphicsFormat.None,
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depthBufferBits = 32,
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};
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// Depth buffer.
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buffer.GetTemporaryRT(Helpers.ShaderIDs.s_MainTexture, descriptor);
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CoreUtils.SetRenderTarget(buffer, Helpers.ShaderIDs.s_MainTexture, ClearFlag.Depth);
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Render(camera, buffer, _WaterLevelDepthMaterial);
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// Depth texture.
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// Always release to handle screen size changes.
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WaterLevelDepthTexture.Release();
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descriptor.graphicsFormat = UnityEngine.Experimental.Rendering.GraphicsFormat.R32_SFloat;
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descriptor.depthBufferBits = 0;
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WaterLevelDepthTexture.descriptor = descriptor;
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WaterLevelDepthTexture.Create();
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_WaterLevelDepthTarget = new
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(
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WaterLevelDepthTexture,
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mipLevel: 0,
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CubemapFace.Unknown,
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depthSlice: -1 // Bind all XR slices.
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);
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// Convert.
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Helpers.Blit(buffer, _WaterLevelDepthTarget, Rendering.BIRP.UtilityMaterial, (int)Rendering.BIRP.UtilityPass.Copy);
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buffer.ReleaseTemporaryRT(Helpers.ShaderIDs.s_MainTexture);
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}
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void EnableWaterLevelDepthTexture()
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{
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if (Application.isPlaying) return;
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#if d_UnityURP
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if (RenderPipelineHelper.IsUniversal)
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{
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WaterLevelDepthTextureURP.Enable(_Water, this);
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}
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#endif
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#if d_UnityHDRP
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if (RenderPipelineHelper.IsHighDefinition)
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{
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WaterLevelDepthTextureHDRP.Enable(_Water, this);
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}
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#endif
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}
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void DisableWaterLevelDepthTexture()
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{
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if (Application.isPlaying) return;
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#if d_UnityHDRP
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WaterLevelDepthTextureHDRP.Disable();
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#endif
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}
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}
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}
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#endif
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