void SetOneTimeMPBParams()
{
if (_mpb == null)
{
_mpb = new PropertyWrapperMPB();
}
Rend.GetPropertyBlock(_mpb.materialPropertyBlock);
_mpb.SetInt(LodDataMgr.sp_LD_SliceIndex, _lodIndex);
Rend.SetPropertyBlock(_mpb.materialPropertyBlock);
}
private void LateUpdate()
{
#if UNITY_EDITOR
// We don't run in "prefab scenes", i.e. when editing a prefab. Bail out if prefab scene is detected.
if (PrefabStageUtility.GetCurrentPrefabStage() != null)
{
return;
}
#endif
if (OceanRenderer.Instance == null || !ShowEffect())
{
_rend.enabled = false;
return;
}
// Pass true in last arg for a crap reason - in edit mode LateUpdate can be called very frequently, and the height sampler mistakenly thinks
// this is erroneous and complains.
_sampleWaterHeight.Init(transform.position, 0f, true);
_sampleWaterHeight.Sample(out var waterHeight);
float heightOffset = transform.position.y - waterHeight;
// Disable skirt when camera not close to water. In the first few frames collision may not be avail, in that case no choice
// but to assume enabled. In the future this could detect if camera is far enough under water, render a simple quad to avoid
// finding the intersection line.
_rend.enabled = heightOffset < _maxHeightAboveWater;
if (_rend.enabled)
{
// Only execute when playing to stop CopyPropertiesFromMaterial from corrupting and breaking the material.
if (!isMeniscus && _copyParamsEachFrame)
{
_rend.material.CopyPropertiesFromMaterial(OceanRenderer.Instance.OceanMaterial);
}
// Assign lod0 shape - trivial but bound every frame because lod transform comes from here
if (_mpb == null)
{
_mpb = new PropertyWrapperMPB();
}
_rend.GetPropertyBlock(_mpb.materialPropertyBlock);
// Underwater rendering uses displacements for intersecting the waves with the near plane, and ocean depth/shadows for ScatterColour()
_mpb.SetInt(LodDataMgr.sp_LD_SliceIndex, 0);
_mpb.SetFloat(sp_HeightOffset, heightOffset);
_rend.SetPropertyBlock(_mpb.materialPropertyBlock);
}
}
private void LateUpdate()
{
if (OceanRenderer.Instance == null)
{
return;
}
// find which lod this object is overlapping
var rect = new Rect(transform.position.x, transform.position.z, 0f, 0f);
var lodIdx = LodDataMgrAnimWaves.SuggestDataLOD(rect);
if (lodIdx > -1)
{
if (_mpb == null)
{
_mpb = new PropertyWrapperMPB();
}
_rend.GetPropertyBlock(_mpb.materialPropertyBlock);
var lodCount = OceanRenderer.Instance.CurrentLodCount;
var lodDataAnimWaves = OceanRenderer.Instance._lodDataAnimWaves;
_mpb.SetInt(LodDataMgr.sp_LD_SliceIndex, lodIdx);
lodDataAnimWaves.BindResultData(_mpb);
var lodDataClipSurface = OceanRenderer.Instance._lodDataClipSurface;
if (lodDataClipSurface != null)
{
lodDataClipSurface.BindResultData(_mpb);
}
else
{
LodDataMgrClipSurface.BindNull(_mpb);
}
// blend LOD 0 shape in/out to avoid pop, if the ocean might scale up later (it is smaller than its maximum scale)
bool needToBlendOutShape = lodIdx == 0 && OceanRenderer.Instance.ScaleCouldIncrease;
float meshScaleLerp = needToBlendOutShape ? OceanRenderer.Instance.ViewerAltitudeLevelAlpha : 0f;
// blend furthest normals scale in/out to avoid pop, if scale could reduce
bool needToBlendOutNormals = lodIdx == lodCount - 1 && OceanRenderer.Instance.ScaleCouldDecrease;
float farNormalsWeight = needToBlendOutNormals ? OceanRenderer.Instance.ViewerAltitudeLevelAlpha : 1f;
_mpb.SetVector(OceanChunkRenderer.sp_InstanceData, new Vector3(meshScaleLerp, farNormalsWeight, lodIdx));
_rend.SetPropertyBlock(_mpb.materialPropertyBlock);
}
LateUpdateBounds();
}
// Called when visible to a camera
void OnWillRenderObject()
{
if (OceanRenderer.Instance == null || Rend == null)
{
return;
}
// check if built-in pipeline being used
if (Camera.current != null)
{
_currentCamera = Camera.current;
}
// Depth texture is used by ocean shader for transparency/depth fog, and for fading out foam at shoreline.
_currentCamera.depthTextureMode |= DepthTextureMode.Depth;
if (Rend.sharedMaterial != OceanRenderer.Instance.OceanMaterial)
{
Rend.sharedMaterial = OceanRenderer.Instance.OceanMaterial;
}
// per instance data
if (_mpb == null)
{
_mpb = new PropertyWrapperMPB();
}
Rend.GetPropertyBlock(_mpb.materialPropertyBlock);
// Only done here because current camera is defined. This could be done just once, probably on the OnRender function
// or similar on the OceanPlanarReflection script?
var reflTex = PreparedReflections.GetRenderTexture(_currentCamera.GetHashCode());
if (reflTex)
{
_mpb.SetTexture(sp_ReflectionTex, reflTex);
}
else
{
_mpb.SetTexture(sp_ReflectionTex, Texture2D.blackTexture);
}
Rend.SetPropertyBlock(_mpb.materialPropertyBlock);
}
private void LateUpdate()
{
if (OceanRenderer.Instance == null || _renderer == null)
{
return;
}
// Prevents possible conflicts since overlapping doesn't work for every case.
if (_disableClipSurfaceWhenTooFarFromSurface)
{
var position = transform.position;
_sampleHeightHelper.Init(position, 0f);
if (_sampleHeightHelper.Sample(out float waterHeight))
{
position.y = waterHeight;
_enabled = Mathf.Abs(_renderer.bounds.ClosestPoint(position).y - waterHeight) < 1;
}
}
else
{
_enabled = true;
}
// find which lod this object is overlapping
var rect = new Rect(transform.position.x, transform.position.z, 0f, 0f);
var lodIdx = LodDataMgrAnimWaves.SuggestDataLOD(rect);
if (lodIdx > -1)
{
if (_mpb == null)
{
_mpb = new PropertyWrapperMPB();
}
_renderer.GetPropertyBlock(_mpb.materialPropertyBlock);
_mpb.SetInt(LodDataMgr.sp_LD_SliceIndex, lodIdx);
_mpb.SetInt(sp_DisplacementSamplingIterations, (int)_animatedWavesDisplacementSamplingIterations);
_renderer.SetPropertyBlock(_mpb.materialPropertyBlock);
}
}
private void LateUpdate()
{
if (OceanRenderer.Instance == null)
{
return;
}
// find which lod this object is overlapping
var rect = new Rect(transform.position.x, transform.position.z, 0f, 0f);
var idx = LodDataMgrAnimWaves.SuggestDataLOD(rect);
if (idx > -1)
{
if (_mpb == null)
{
_mpb = new PropertyWrapperMPB();
}
_rend.GetPropertyBlock(_mpb.materialPropertyBlock);
var lodCount = OceanRenderer.Instance.CurrentLodCount;
var ldaw = OceanRenderer.Instance._lodDataAnimWaves;
ldaw.BindResultData(idx, 0, _mpb);
int idx1 = Mathf.Min(idx + 1, lodCount - 1);
ldaw.BindResultData(idx1, 1, _mpb);
// blend LOD 0 shape in/out to avoid pop, if the ocean might scale up later (it is smaller than its maximum scale)
bool needToBlendOutShape = idx == 0 && OceanRenderer.Instance.ScaleCouldIncrease;
float meshScaleLerp = needToBlendOutShape ? OceanRenderer.Instance.ViewerAltitudeLevelAlpha : 0f;
// blend furthest normals scale in/out to avoid pop, if scale could reduce
bool needToBlendOutNormals = idx == lodCount - 1 && OceanRenderer.Instance.ScaleCouldDecrease;
float farNormalsWeight = needToBlendOutNormals ? OceanRenderer.Instance.ViewerAltitudeLevelAlpha : 1f;
_mpb.SetVector(sp_InstanceData, new Vector4(meshScaleLerp, farNormalsWeight, idx));
_rend.SetPropertyBlock(_mpb.materialPropertyBlock);
}
LateUpdateBounds();
}
// Used by the ocean mask system if we need to render the ocean mask in situations
// where the ocean itself doesn't need to be rendered or has otherwise been disabled
internal void BindOceanData(Camera camera)
{
_oceanDataHasBeenBound = true;
if (OceanRenderer.Instance == null || Rend == null)
{
return;
}
if (Rend.sharedMaterial != OceanRenderer.Instance.OceanMaterial)
{
Rend.sharedMaterial = OceanRenderer.Instance.OceanMaterial;
}
// per instance data
if (_mpb == null)
{
_mpb = new PropertyWrapperMPB();
}
Rend.GetPropertyBlock(_mpb.materialPropertyBlock);
// Only done here because current camera is defined. This could be done just once, probably on the OnRender function
// or similar on the OceanPlanarReflection script?
var reflTex = PreparedReflections.GetRenderTexture(camera.GetHashCode());
if (reflTex)
{
_mpb.SetTexture(sp_ReflectionTex, reflTex);
}
else
{
_mpb.SetTexture(sp_ReflectionTex, Texture2D.blackTexture);
}
Rend.SetPropertyBlock(_mpb.materialPropertyBlock);
}
// Called when visible to a camera
void OnWillRenderObject()
{
if (OceanRenderer.Instance == null || Rend == null)
{
return;
}
// check if built-in pipeline being used
if (Camera.current != null)
{
_currentCamera = Camera.current;
}
// Depth texture is used by ocean shader for transparency/depth fog, and for fading out foam at shoreline.
_currentCamera.depthTextureMode |= DepthTextureMode.Depth;
if (Rend.sharedMaterial != OceanRenderer.Instance.OceanMaterial)
{
Rend.sharedMaterial = OceanRenderer.Instance.OceanMaterial;
}
// per instance data
if (_mpb == null)
{
_mpb = new PropertyWrapperMPB();
}
Rend.GetPropertyBlock(_mpb.materialPropertyBlock);
// blend LOD 0 shape in/out to avoid pop, if the ocean might scale up later (it is smaller than its maximum scale)
var needToBlendOutShape = _lodIndex == 0 && OceanRenderer.Instance.ScaleCouldIncrease;
var meshScaleLerp = needToBlendOutShape ? OceanRenderer.Instance.ViewerAltitudeLevelAlpha : 0f;
// blend furthest normals scale in/out to avoid pop, if scale could reduce
var needToBlendOutNormals = _lodIndex == _totalLodCount - 1 && OceanRenderer.Instance.ScaleCouldDecrease;
var farNormalsWeight = needToBlendOutNormals ? OceanRenderer.Instance.ViewerAltitudeLevelAlpha : 1f;
_mpb.SetVector(sp_InstanceData, new Vector3(meshScaleLerp, farNormalsWeight, _lodIndex));
// geometry data
// compute grid size of geometry. take the long way to get there - make sure we land exactly on a power of two
// and not inherit any of the lossy-ness from lossyScale.
var scale_pow_2 = OceanRenderer.Instance.CalcLodScale(_lodIndex);
var gridSizeGeo = scale_pow_2 / (0.25f * _lodDataResolution / _geoDownSampleFactor);
var gridSizeLodData = gridSizeGeo / _geoDownSampleFactor;
var mul = 1.875f; // fudge 1
var pow = 1.4f; // fudge 2
var normalScrollSpeed0 = Mathf.Pow(Mathf.Log(1f + 2f * gridSizeLodData) * mul, pow);
var normalScrollSpeed1 = Mathf.Pow(Mathf.Log(1f + 4f * gridSizeLodData) * mul, pow);
_mpb.SetVector(sp_GeomData, new Vector4(gridSizeLodData, gridSizeGeo, normalScrollSpeed0, normalScrollSpeed1));
// Assign LOD data to ocean shader
var ldaws = OceanRenderer.Instance._lodDataAnimWaves;
var ldsds = OceanRenderer.Instance._lodDataSeaDepths;
var ldclip = OceanRenderer.Instance._lodDataClipSurface;
var ldfoam = OceanRenderer.Instance._lodDataFoam;
var ldflow = OceanRenderer.Instance._lodDataFlow;
var ldshadows = OceanRenderer.Instance._lodDataShadow;
_mpb.SetInt(LodDataMgr.sp_LD_SliceIndex, _lodIndex);
if (ldaws != null)
{
ldaws.BindResultData(_mpb);
}
if (ldflow != null)
{
ldflow.BindResultData(_mpb);
}
else
{
LodDataMgrFlow.BindNull(_mpb);
}
if (ldfoam != null)
{
ldfoam.BindResultData(_mpb);
}
else
{
LodDataMgrFoam.BindNull(_mpb);
}
if (ldsds != null)
{
ldsds.BindResultData(_mpb);
}
else
{
LodDataMgrSeaFloorDepth.BindNull(_mpb);
}
if (ldclip != null)
{
ldclip.BindResultData(_mpb);
}
else
{
LodDataMgrClipSurface.BindNull(_mpb);
}
if (ldshadows != null)
{
ldshadows.BindResultData(_mpb);
}
else
{
LodDataMgrShadow.BindNull(_mpb);
}
var reflTex = PreparedReflections.GetRenderTexture(_currentCamera.GetHashCode());
if (reflTex)
{
_mpb.SetTexture(sp_ReflectionTex, reflTex);
}
else
{
_mpb.SetTexture(sp_ReflectionTex, Texture2D.blackTexture);
}
// Hack - due to SV_IsFrontFace occasionally coming through as true for back faces,
// add a param here that forces ocean to be in underwater state. I think the root
// cause here might be imprecision or numerical issues at ocean tile boundaries, although
// i'm not sure why cracks are not visible in this case.
var heightOffset = OceanRenderer.Instance.ViewerHeightAboveWater;
_mpb.SetFloat(sp_ForceUnderwater, heightOffset < -2f ? 1f : 0f);
Rend.SetPropertyBlock(_mpb.materialPropertyBlock);
}
private void LateUpdate()
{
#if UNITY_EDITOR
// We don't run in "prefab scenes", i.e. when editing a prefab. Bail out if prefab scene is detected.
if (PrefabStageUtility.GetCurrentPrefabStage() != null)
{
return;
}
#endif
if (OceanRenderer.Instance == null)
{
_rend.enabled = false;
return;
}
float waterHeight = OceanRenderer.Instance.SeaLevel;
// Pass true in last arg for a crap reason - in edit mode LateUpdate can be called very frequently, and the height sampler mistakenly thinks
// this is erroneous and complains.
_sampleWaterHeight.Init(transform.position, 0f, true);
_sampleWaterHeight.Sample(ref waterHeight);
float heightOffset = transform.position.y - waterHeight;
// Disable skirt when camera not close to water. In the first few frames collision may not be avail, in that case no choice
// but to assume enabled. In the future this could detect if camera is far enough under water, render a simple quad to avoid
// finding the intersection line.
_rend.enabled = heightOffset < _maxHeightAboveWater;
if (_rend.enabled)
{
if (_copyParamsEachFrame)
{
_rend.sharedMaterial.CopyPropertiesFromMaterial(OceanRenderer.Instance.OceanMaterial);
}
// Assign lod0 shape - trivial but bound every frame because lod transform comes from here
if (_mpb == null)
{
_mpb = new PropertyWrapperMPB();
}
_rend.GetPropertyBlock(_mpb.materialPropertyBlock);
// Underwater rendering uses displacements for intersecting the waves with the near plane, and ocean depth/shadows for ScatterColour()
_mpb.SetInt(LodDataMgr.sp_LD_SliceIndex, 0);
OceanRenderer.Instance._lodDataAnimWaves.BindResultData(_mpb);
if (OceanRenderer.Instance._lodDataSeaDepths != null)
{
OceanRenderer.Instance._lodDataSeaDepths.BindResultData(_mpb);
}
else
{
LodDataMgrSeaFloorDepth.BindNull(_mpb);
}
if (OceanRenderer.Instance._lodDataShadow != null)
{
OceanRenderer.Instance._lodDataShadow.BindResultData(_mpb);
}
else
{
LodDataMgrShadow.BindNull(_mpb);
}
_mpb.SetFloat(sp_HeightOffset, heightOffset);
_mpb.SetVector(OceanChunkRenderer.sp_InstanceData, new Vector3(OceanRenderer.Instance.ViewerAltitudeLevelAlpha, 0f, 0f));
_rend.SetPropertyBlock(_mpb.materialPropertyBlock);
}
}
private void LateUpdate()
{
if (OceanRenderer.Instance == null)
{
_rend.enabled = false;
return;
}
if (_currentCamera == null)
{
return;
}
float waterHeight = OceanRenderer.Instance.SeaLevel;
_sampleWaterHeight.Init(transform.position, 0f);
_sampleWaterHeight.Sample(ref waterHeight);
float heightOffset = transform.position.y - waterHeight;
// Disable skirt when camera not close to water. In the first few frames collision may not be avail, in that case no choice
// but to assume enabled. In the future this could detect if camera is far enough under water, render a simple quad to avoid
// finding the intersection line.
_rend.enabled = heightOffset < _maxHeightAboveWater;
if (_rend.enabled)
{
if (_copyParamsEachFrame)
{
_rend.material.CopyPropertiesFromMaterial(OceanRenderer.Instance.OceanMaterial);
}
// Assign lod0 shape - trivial but bound every frame because lod transform comes from here
if (_mpb == null)
{
_mpb = new PropertyWrapperMPB();
}
_rend.GetPropertyBlock(_mpb.materialPropertyBlock);
// Underwater rendering uses displacements for intersecting the waves with the near plane, and ocean depth/shadows for ScatterColour()
_mpb.SetInt(LodDataMgr.sp_LD_SliceIndex, 0);
OceanRenderer.Instance._lodDataAnimWaves.BindResultData(_mpb);
if (OceanRenderer.Instance._lodDataSeaDepths)
{
OceanRenderer.Instance._lodDataSeaDepths.BindResultData(_mpb);
}
else
{
LodDataMgrSeaFloorDepth.BindNull(_mpb);
}
if (OceanRenderer.Instance._lodDataShadow)
{
OceanRenderer.Instance._lodDataShadow.BindResultData(_mpb);
}
else
{
LodDataMgrShadow.BindNull(_mpb);
}
_mpb.SetFloat(sp_HeightOffset, heightOffset);
_mpb.SetVector(OceanChunkRenderer.sp_InstanceData, new Vector3(OceanRenderer.Instance.ViewerAltitudeLevelAlpha, 0f, 0f));
_mpb.SetVector(sp_CameraForward, _currentCamera.transform.forward);
_rend.SetPropertyBlock(_mpb.materialPropertyBlock);
}
}
