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added infinite water pass

/feature-infinite-sea
André McGrail 4 年前
当前提交
f5f9d558
共有 5 个文件被更改，包括 574 次插入 和 212 次删除
  1. 89
      Assets/scenes/Testing/InfiniteWater.unity
  2. 566
      Packages/com.verasl.water-system/Meshes/SeaVertDisp.fbx.meta
  3. 74
      Packages/com.verasl.water-system/Scripts/Rendering/WaterSystemFeature.cs
  4. 47
      Packages/com.verasl.water-system/Shaders/InfiniteWater.shader
  5. 10
      Packages/com.verasl.water-system/Shaders/WaterInput.hlsl

89
Assets/scenes/Testing/InfiniteWater.unity
查看文件


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566
Packages/com.verasl.water-system/Meshes/SeaVertDisp.fbx.meta
查看文件


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74
Packages/com.verasl.water-system/Scripts/Rendering/WaterSystemFeature.cs
查看文件


CommandBufferPool.Release(cmd);
}
public override void OnCameraCleanup(CommandBuffer cmd)
public override void OnCameraCleanup(CommandBuffer cmd)
{
// since the texture is used within the single cameras use we need to cleanup the RT afterwards
cmd.ReleaseTemporaryRT(m_WaterFX.id);

#endregion
#region InfiniteWater Pass
class InfiniteWaterPass : ScriptableRenderPass
{
private Mesh infiniteMesh;
private Material infiniteMaterial;
public override void Execute(ScriptableRenderContext context, ref RenderingData renderingData)
{
if(infiniteMesh == null)
infiniteMesh = GenerateCausticsMesh(2f);
if (infiniteMaterial == null)
infiniteMaterial = CoreUtils.CreateEngineMaterial("BoatAttack/InfiniteWater");
if(!infiniteMaterial || !infiniteMesh) return;
Camera cam = renderingData.cameraData.camera;
if(cam.cameraType != CameraType.Game && cam.cameraType != CameraType.SceneView) return;
CommandBuffer cmd = CommandBufferPool.Get();
using (new ProfilingScope(cmd, new ProfilingSampler("Infinite Water")))
{
var probe = RenderSettings.ambientProbe;
// Create the matrix to position the caustics mesh.
var position = cam.transform.position;
position.y = 0; // TODO should read a global 'water height' variable.
var matrix = Matrix4x4.TRS(position, Quaternion.identity, Vector3.one);
// Setup the CommandBuffer and draw the mesh with the caustic material and matrix
MaterialPropertyBlock matBloc = new MaterialPropertyBlock();
matBloc.CopySHCoefficientArraysFrom(new []{probe});
cmd.DrawMesh(infiniteMesh, matrix, infiniteMaterial, 0, 0);
context.ExecuteCommandBuffer(cmd);
CommandBufferPool.Release(cmd);
}
}
}
#endregion
#region Caustics Pass
class WaterCausticsPass : ScriptableRenderPass

{
var cam = renderingData.cameraData.camera;
// Stop the pass rendering in the preview or material missing
if (cam.cameraType == CameraType.Preview || !WaterCausticMaterial)
return;
if (!WaterCausticMaterial) return;
if(cam.cameraType != CameraType.Game && cam.cameraType != CameraType.SceneView) return;
CommandBuffer cmd = CommandBufferPool.Get();
using (new ProfilingScope(cmd, m_WaterCaustics_Profile))

: Matrix4x4.TRS(Vector3.zero, Quaternion.Euler(-45f, 45f, 0f), Vector3.one);
WaterCausticMaterial.SetMatrix("_MainLightDir", sunMatrix);
// Create mesh if needed
if (!m_mesh)
m_mesh = GenerateCausticsMesh(1000f);

#endregion
InfiniteWaterPass m_InfiniteWaterPass;
WaterFxPass m_WaterFxPass;
WaterCausticsPass m_CausticsPass;

public override void Create()
{
// InfiniteWater Pass
m_InfiniteWaterPass = new InfiniteWaterPass{renderPassEvent = RenderPassEvent.BeforeRenderingTransparents};
// WaterFX Pass
m_WaterFxPass = new WaterFxPass {renderPassEvent = RenderPassEvent.BeforeRenderingOpaques};

}
_causticMaterial = CoreUtils.CreateEngineMaterial(causticShader);
_causticMaterial.SetFloat("_BlendDistance", settings.causticBlendDistance);
if (causticTexture == null)
{
Debug.Log("Caustics Texture missing, attempting to load.");

}
_causticMaterial.SetTexture(CausticTexture, causticTexture);
switch (settings.debug)
{
case WaterSystemSettings.DebugMode.Caustics:

public override void AddRenderPasses(ScriptableRenderer renderer, ref RenderingData renderingData)
{
renderer.EnqueuePass(m_InfiniteWaterPass);
renderer.EnqueuePass(m_WaterFxPass);
renderer.EnqueuePass(m_CausticsPass);
}

/// </summary>
/// <param name="size">The length of the quad.</param>
/// <returns></returns>
private static Mesh GenerateCausticsMesh(float size)
public static Mesh GenerateCausticsMesh(float size, bool flat = true)
{
var m = new Mesh();
size *= 0.5f;

new Vector3(-size, 0f, -size),
new Vector3(size, 0f, -size),
new Vector3(-size, 0f, size),
new Vector3(size, 0f, size)
new Vector3(-size, flat ? 0f : -size, flat ? -size : 0f),
new Vector3(size, flat ? 0f : -size, flat ? -size : 0f),
new Vector3(-size, flat ? 0f : size, flat ? size : 0f),
new Vector3(size, flat ? 0f : size, flat ? size : 0f)
};
m.vertices = verts;

47
Packages/com.verasl.water-system/Shaders/InfiniteWater.shader
查看文件


{
Tags { "RenderType"="Transparent" "Queue"="Transparent-101" "RenderPipeline" = "UniversalPipeline" }
ZWrite off
Cull off
Pass
{

#pragma vertex InfiniteWaterVertex
#pragma fragment InfiniteWaterFragment
//float4x4 _InvViewProjection;
float3 UnprojectPoint(float3 p)
{
float4x4 mat = mul(unity_MatrixV, glstate_matrix_projection);
float4 unprojectedPoint = mul(mat, float4(p, 1));
return unprojectedPoint.xyz / unprojectedPoint.w;
}
Varyings InfiniteWaterVertex(Attributes input)
{
Varyings output = (Varyings)0;

float3 cameraOffset = GetCameraPositionWS();
//input.positionOS.y *= abs(cameraOffset.y) + 1;
cameraOffset.y *= 0.0;
VertexPositionInputs vertexInput = GetVertexPositionInputs(input.positionOS.xyz + cameraOffset);
//input.positionOS.xz = input.positionOS.y < 0 ? half2(0, 0) : input.positionOS.xz;
input.positionOS.xz *= 1000;
//input.positionOS = 1000;
//cameraOffset.y *= 0.0;
VertexPositionInputs vertexInput = GetVertexPositionInputs(input.positionOS.xyz);
//float3 pos = output.positionCS;
//pos.z = _ProjectionParams.y;
//output.positionWS = UnprojectPoint(pos); // near position
//pos.z = _ProjectionParams.z;
//output.preWaveSP = UnprojectPoint(pos); // far postion
output.positionWS = vertexInput.positionWS;
output.screenPosition = ComputeScreenPos(vertexInput.positionCS);
float3 viewPos = vertexInput.positionVS;

return output;
}
void InfiniteWaterFragment(Varyings i, out half4 outColor:SV_Target, out float outDepth : SV_Depth) //: SV_Target
half4 InfiniteWaterFragment(Varyings i) : SV_Target
//float t = -i.positionWS.y / (i.preWaveSP.y - i.positionWS.y);
//if(t > 0)
// discard;
half4 screenUV = 0.0;
screenUV.xy = i.screenPosition.xy / i.screenPosition.w; // screen UVs
screenUV.zw = screenUV.xy; // screen UVs

InfinitePlane plane = WorldPlane(i.screenPosition, i.viewDirectionWS);
i.positionWS = plane.positionWS;
half3 viewDirectionWS = normalize(GetCameraPositionWS() - plane.positionWS);
half3 viewDirectionWS = normalize(GetCameraPositionWS() - i.positionWS);
i.positionWS = plane.positionWS;
i.viewDirectionWS = normalize(GetCameraPositionWS() - plane.positionWS).xyzz;
i.viewDirectionWS = normalize(GetCameraPositionWS() - i.positionWS).xyzz;
i.uv = DetailUVs(plane.positionWS * (1 / _Size), 1);
i.uv = DetailUVs(i.positionWS * (1 / _Size), 1);
WaterInputData inputData;
InitializeInputData(i, inputData, screenUV.xy);

color.a = 1;
color.rgb = WaterShading(inputData, surfaceData, additionalData, screenUV.xy);
outColor = color;
outDepth = 1-plane.depth;
//outColor = half4(frac(i.positionWS), 1); //color;
//outDepth = 1;// 1-plane.depth;
//return half4(frac(plane.positionWS * 0.1), 1);
return color;
}
ENDHLSL
}

10
Packages/com.verasl.water-system/Shaders/WaterInput.hlsl
查看文件


UNITY_VERTEX_OUTPUT_STEREO
};
struct VaryingsInfinite // infinite water Varyings
{
float3 nearPosition : TEXCOORD0; // near position of the vertices
float3 farPosition : TEXCOORD1; // far position of the vertices
float3 positionWS : TEXCOORD2; // world position of the vertices
float4 viewDirectionWS : TEXCOORD3; // view direction
half4 screenPosition : TEXCOORD4; // screen position after the waves
float4 positionCS : SV_POSITION;
};
struct WaterSurfaceData
{
half3 absorption;

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