KopMap/Assets/WaterWorks/Scripts/Water_Volume.cs
2025-04-03 02:30:16 +08:00

95 lines
3.6 KiB
C#

using UnityEngine;
using UnityEngine.Rendering;
using UnityEngine.Rendering.Universal;
public class Water_Volume : ScriptableRendererFeature
{
class CustomRenderPass : ScriptableRenderPass
{
public RenderTargetIdentifier source;
private Material _material;
private RenderTargetHandle tempRenderTarget;
private RenderTargetHandle tempRenderTarget2;
public CustomRenderPass(Material mat)
{
_material = mat;
tempRenderTarget.Init("_TemporaryColourTexture");
tempRenderTarget2.Init("_TemporaryDepthTexture");
}
// This method is called before executing the render pass.
// It can be used to configure render targets and their clear state. Also to create temporary render target textures.
// When empty this render pass will render to the active camera render target.
// You should never call CommandBuffer.SetRenderTarget. Instead call <c>ConfigureTarget</c> and <c>ConfigureClear</c>.
// The render pipeline will ensure target setup and clearing happens in an performance manner.
public override void Configure(CommandBuffer cmd, RenderTextureDescriptor cameraTextureDescriptor)
{
}
// Here you can implement the rendering logic.
// Use <c>ScriptableRenderContext</c> to issue drawing commands or execute command buffers
// https://docs.unity3d.com/ScriptReference/Rendering.ScriptableRenderContext.html
// You don't have to call ScriptableRenderContext.submit, the render pipeline will call it at specific points in the pipeline.
public override void Execute(ScriptableRenderContext context, ref RenderingData renderingData)
{
if(renderingData.cameraData.cameraType != CameraType.Reflection)
{
CommandBuffer commandBuffer = CommandBufferPool.Get();
commandBuffer.GetTemporaryRT(tempRenderTarget.id, renderingData.cameraData.cameraTargetDescriptor);
Blit(commandBuffer, source, tempRenderTarget.Identifier(), _material);
Blit(commandBuffer, tempRenderTarget.Identifier(), source);
context.ExecuteCommandBuffer(commandBuffer);
CommandBufferPool.Release(commandBuffer);
}
}
/// Cleanup any allocated resources that were created during the execution of this render pass.
public override void FrameCleanup(CommandBuffer cmd)
{
}
}
[System.Serializable]
public class _Settings
{
//[HideInInspector]
public Material material = null;
public RenderPassEvent renderPass = RenderPassEvent.AfterRenderingSkybox;
}
public _Settings settings = new _Settings();
CustomRenderPass m_ScriptablePass;
public override void Create()
{
if(settings.material == null)
{
settings.material = (Material)Resources.Load("Water_Volume");
}
m_ScriptablePass = new CustomRenderPass(settings.material);
// Configures where the render pass should be injected.
//m_ScriptablePass.renderPassEvent = RenderPassEvent.AfterRenderingOpaques;
m_ScriptablePass.renderPassEvent = settings.renderPass;
}
// Here you can inject one or multiple render passes in the renderer.
// This method is called when setting up the renderer once per-camera.
public override void AddRenderPasses(ScriptableRenderer renderer, ref RenderingData renderingData)
{
m_ScriptablePass.source = renderer.cameraColorTarget;
renderer.EnqueuePass(m_ScriptablePass);
}
}