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BobSong
2025-06-21 21:58:06 +08:00
parent d61516a576
commit e9f76d0f11
1566 changed files with 9218 additions and 300913 deletions
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116
Packages/com.waveharmonic.crest/Runtime/Scripts/Data/DynamicWavesLod.cs
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// Crest Water System
// Copyright © 2024 Wave Harmonic. All rights reserved.
using UnityEngine;
using UnityEngine.Experimental.Rendering;
using WaveHarmonic.Crest.Utility;
namespace WaveHarmonic.Crest
{
/// <summary>
/// A dynamic shape simulation that moves around with a displacement LOD.
/// </summary>
public sealed partial class DynamicWavesLod : PersistentLod
{
[Tooltip("How much waves are dampened in shallow water.")]
[@Range(0f, 1f)]
[@GenerateAPI]
[SerializeField]
float _AttenuationInShallows = 1f;
[Tooltip("Settings for fine tuning this simulation.")]
[@Embedded]
[@GenerateAPI(Getter.Custom)]
[SerializeField]
DynamicWavesLodSettings _Settings;
const string k_DynamicWavesKeyword = "CREST_DYNAMIC_WAVE_SIM_ON_INTERNAL";
static new class ShaderIDs
{
public static readonly int s_HorizontalDisplace = Shader.PropertyToID("_Crest_HorizontalDisplace");
public static readonly int s_DisplaceClamp = Shader.PropertyToID("_Crest_DisplaceClamp");
public static readonly int s_Damping = Shader.PropertyToID("_Crest_Damping");
public static readonly int s_Gravity = Shader.PropertyToID("_Crest_Gravity");
public static readonly int s_CourantNumber = Shader.PropertyToID("_Crest_CourantNumber");
}
internal static readonly Color s_GizmoColor = new(0f, 1f, 0f, 0.5f);
internal override string ID => "DynamicWaves";
internal override string Name => "Dynamic Waves";
internal override Color GizmoColor => s_GizmoColor;
private protected override Color ClearColor => Color.black;
internal override bool RunsInHeadless => true;
private protected override ComputeShader SimulationShader => WaterResources.Instance.Compute._UpdateDynamicWaves;
private protected override GraphicsFormat RequestedTextureFormat => _TextureFormatMode switch
{
// Try and match Animated Waves format as we copy this simulation into it.
LodTextureFormatMode.Automatic => Water == null ? GraphicsFormat.None : Water.AnimatedWavesLod.TextureFormatMode switch
{
LodTextureFormatMode.Precision => GraphicsFormat.R32G32_SFloat,
_ => GraphicsFormat.R16G16_SFloat,
},
LodTextureFormatMode.Performance => GraphicsFormat.R16G16_SFloat,
LodTextureFormatMode.Precision => GraphicsFormat.R32G32_SFloat,
LodTextureFormatMode.Manual => _TextureFormat,
_ => throw new System.NotImplementedException(),
};
internal float TimeLeftToSimulate => _TimeToSimulate;
internal DynamicWavesLod()
{
_OverrideResolution = false;
_Resolution = 512;
_TextureFormatMode = LodTextureFormatMode.Automatic;
_TextureFormat = GraphicsFormat.R16G16_SFloat;
}
internal override void Enable()
{
base.Enable();
Shader.EnableKeyword(k_DynamicWavesKeyword);
}
internal override void Disable()
{
base.Disable();
Shader.DisableKeyword(k_DynamicWavesKeyword);
}
internal override void Bind<T>(T target)
{
base.Bind(target);
target.SetFloat(ShaderIDs.s_HorizontalDisplace, Settings._HorizontalDisplace);
target.SetFloat(ShaderIDs.s_DisplaceClamp, Settings._DisplaceClamp);
}
private protected override void SetAdditionalSimulationParameters<T>(T simMaterial)
{
base.SetAdditionalSimulationParameters(simMaterial);
simMaterial.SetFloat(ShaderIDs.s_Damping, Settings._Damping);
simMaterial.SetFloat(ShaderIDs.s_Gravity, _Water.Gravity * Settings._GravityMultiplier);
simMaterial.SetFloat(ShaderIDs.s_CourantNumber, Settings._CourantNumber);
simMaterial.SetFloat(AnimatedWavesLod.ShaderIDs.s_AttenuationInShallows, _AttenuationInShallows);
}
private protected override void GetSubstepData(float timeToSimulate, out int substeps, out float delta)
{
substeps = Mathf.FloorToInt(timeToSimulate * _SimulationFrequency);
delta = substeps > 0 ? (1f / _SimulationFrequency) : 0f;
}
internal static readonly SortedList<int, ILodInput> s_Inputs = new(Helpers.DuplicateComparison);
private protected override SortedList<int, ILodInput> Inputs => s_Inputs;
[RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.SubsystemRegistration)]
static void OnLoad()
{
s_Inputs.Clear();
}
}
}