public void RenderBillboardCells()
{
Profiler.BeginSample("Draw billboards");
var farCullDistance = Mathf.RoundToInt(VegetationSettings.GetBillboardDistance());
var isPlaying = Application.isPlaying;
var shadowCastingMode = VegetationSettings.GetBillboardShadowCastingMode();
var layer = VegetationSettings.GetLayer(VegetationType.Tree);
var positionMatrix = Matrix4x4.TRS(FloatingOriginOffset, Quaternion.identity, Vector3.one);
for (var i = 0; i <= VegetationStudioCameraList.Count - 1; i++)
{
if (!VegetationStudioCameraList[i].Enabled)
{
continue;
}
var targetCamera = VegetationStudioCameraList[i].RenderDirectToCamera
? VegetationStudioCameraList[i].SelectedCamera
: null;
if (!isPlaying)
{
targetCamera = null;
}
for (var j = 0;
j <= VegetationStudioCameraList[i].BillboardJobCullingGroup.VisibleCellIndexList.Length - 1;
j++)
{
var index = VegetationStudioCameraList[i].BillboardJobCullingGroup.VisibleCellIndexList[j];
var billboardCell = BillboardCellList[index];
for (var k = 0; k <= billboardCell.VegetationPackageBillboardInstancesList.Count - 1; k++)
{
for (var l = 0;
l <= billboardCell.VegetationPackageBillboardInstancesList[k].BillboardInstanceList.Count - 1;
l++)
{
var billboardInstance = billboardCell.VegetationPackageBillboardInstancesList[k]
.BillboardInstanceList[l];
if (billboardInstance.Loaded && billboardInstance.InstanceCount > 0)
{
if (VegetationStudioCameraList[i].SelectedCamera == null)
{
continue;
}
var vegetationItemModelInfo = VegetationPackageProModelsList[k].VegetationItemModelList[l];
var vegetationItemInfoPro = VegetationPackageProList[k].VegetationInfoList[l];
if (!vegetationItemInfoPro.UseBillboards)
{
continue;
}
var camPos = VegetationStudioCameraList[i].SelectedCamera.transform.position;
var renderDistanceFactor = vegetationItemInfoPro.RenderDistanceFactor;
if (VegetationSettings.DisableRenderDistanceFactor)
{
renderDistanceFactor = 1;
}
var cullDistance =
Mathf.RoundToInt(VegetationSettings.GetTreeDistance() * renderDistanceFactor);
if (vegetationItemModelInfo.BillboardLODFadeCrossfade)
{
cullDistance -= 10;
}
vegetationItemModelInfo.BillboardMaterial.SetVector(_cameraPositionID, camPos);
MaterialPropertyBlock materialPropertyBlock =
vegetationItemModelInfo.CameraBillboardMaterialPropertyBlockList[i];
materialPropertyBlock.SetInt(_cullDistanceID,
VegetationStudioCameraList[i].RenderBillboardsOnly ? 0 : cullDistance);
materialPropertyBlock.SetInt(_farCullDistanceID, farCullDistance);
Graphics.DrawMesh(billboardInstance.Mesh, positionMatrix,
vegetationItemModelInfo.BillboardMaterial, layer, targetCamera, 0, materialPropertyBlock,
shadowCastingMode, true);
}
}
}
}
}
Profiler.EndSample();
}
void DrawCellsIndirectComputeShader()
{
Profiler.BeginSample("Draw instanced indirect vegetation");
float lodBias = QualitySettings.lodBias * VegetationSettings.LODDistanceFactor;
Vector4 floatingOriginOffsetVector4 = new Vector4(FloatingOriginOffset.x, FloatingOriginOffset.y, FloatingOriginOffset.z, 0);
Vector3 sunLightDirection = SunDirectionalLight ? SunDirectionalLight.transform.forward : new Vector3(0, 0, 0);
float minBoundsHeight = VegetationSystemBounds.center.y - VegetationSystemBounds.extents.y;
Vector3 planeOrigin = new Vector3(0, minBoundsHeight, 0);
bool shadowCulling = (SunDirectionalLight != null);
for (int i = 0; i <= VegetationStudioCameraList.Count - 1; i++)
{
if (!VegetationStudioCameraList[i].Enabled)
{
continue;
}
if (VegetationStudioCameraList[i].RenderBillboardsOnly)
{
continue;
}
SetFrustumCullingPlanes(VegetationStudioCameraList[i].SelectedCamera);
var targetCamera = VegetationStudioCameraList[i].RenderDirectToCamera
? VegetationStudioCameraList[i].SelectedCamera
: null;
for (int j = 0; j <= VegetationPackageProList.Count - 1; j++)
{
for (int k = 0; k <= VegetationPackageProList[j].VegetationInfoList.Count - 1; k++)
{
VegetationItemInfoPro vegetationItemInfo = VegetationPackageProList[j].VegetationInfoList[k];
if (vegetationItemInfo.VegetationRenderMode != VegetationRenderMode.InstancedIndirect)
{
continue;
}
VegetationItemModelInfo vegetationItemModelInfo =
VegetationPackageProModelsList[j].VegetationItemModelList[k];
float vegetationItemCullDistance;
float renderDistanceFactor = vegetationItemModelInfo.VegetationItemInfo.RenderDistanceFactor;
if (VegetationSettings.DisableRenderDistanceFactor)
{
renderDistanceFactor = 1;
}
//if (vegetationItemModelInfo.DistanceBand == 0)
if (vegetationItemModelInfo.VegetationItemInfo.VegetationType == VegetationType.Tree || vegetationItemModelInfo.VegetationItemInfo.VegetationType == VegetationType.LargeObjects)
{
vegetationItemCullDistance = VegetationSettings.GetTreeDistance() * renderDistanceFactor;
}
else
{
vegetationItemCullDistance = VegetationSettings.GetVegetationDistance() * renderDistanceFactor;
}
ShadowCastingMode shadowCastingMode =
VegetationSettings.GetShadowCastingMode(vegetationItemInfo.VegetationType);
if (vegetationItemInfo.DisableShadows)
{
shadowCastingMode = ShadowCastingMode.Off;
}
bool useShadowCulling = shadowCulling && shadowCastingMode == ShadowCastingMode.On;
useShadowCulling = useShadowCulling && vegetationItemModelInfo.DistanceBand == 1;
LayerMask layer = VegetationSettings.GetLayer(vegetationItemInfo.VegetationType);
int totalInstanceCount = 0;
_hasBufferList.Clear();
for (int l = 0;
l <= VegetationStudioCameraList[i].JobCullingGroup.VisibleCellIndexList.Length - 1;
l++)
{
int potentialVisibleCellIndex =
VegetationStudioCameraList[i].JobCullingGroup.VisibleCellIndexList[l];
VegetationCell vegetationCell = VegetationStudioCameraList[i]
.PotentialVisibleCellList[potentialVisibleCellIndex];
BoundingSphereInfo boundingSphereInfo = VegetationStudioCameraList[i]
.GetBoundingSphereInfo(potentialVisibleCellIndex);
int vegetationItemDistanceBand = vegetationItemModelInfo.DistanceBand;
if (boundingSphereInfo.CurrentDistanceBand > vegetationItemDistanceBand)
{
continue;
}
if (vegetationCell.VegetationPackageInstancesList[j].VegetationItemMatrixList[k].Length == 0)
{
continue;
}
ComputeBufferInfo computeBufferInfo = vegetationCell.VegetationPackageInstancesList[j]
.VegetationItemComputeBufferList[k];
if (!computeBufferInfo.Created)
{
continue;
}
_hasBufferList.Add(vegetationCell);
}
if (_hasBufferList.Count == 0)
{
continue;
}
int buffercount = 15;
for (int m = 0; m <= _hasBufferList.Count - 1; m++)
{
totalInstanceCount += _hasBufferList[m].VegetationPackageInstancesList[j]
.VegetationItemMatrixList[k].Length;
}
if (totalInstanceCount == 0)
{
continue;
}
CameraComputeBuffers cameraComputeBuffers = vegetationItemModelInfo.CameraComputeBufferList[i];
if (totalInstanceCount > cameraComputeBuffers.MergeBuffer.count)
{
cameraComputeBuffers.UpdateComputeBufferSize(totalInstanceCount + 5000);
}
cameraComputeBuffers.MergeBuffer.SetCounterValue(0);
MergeBufferShader.SetBuffer(MergeBufferKernelHandle, _mergeBufferID,
cameraComputeBuffers.MergeBuffer);
for (int m = 0; m <= _hasBufferList.Count - 1; m += buffercount)
{
int instanceCount0 = _hasBufferList[m].VegetationPackageInstancesList[j]
.VegetationItemMatrixList[k].Length;
for (int n = 1; n <= buffercount - 1; n++)
{
if (m + n < _hasBufferList.Count)
{
int tempInstanceCount = _hasBufferList[m + n].VegetationPackageInstancesList[j]
.VegetationItemMatrixList[k].Length;
if (tempInstanceCount > instanceCount0)
{
instanceCount0 = tempInstanceCount;
}
}
}
// ReSharper disable once RedundantCast
int threadGroups = Mathf.CeilToInt((float)instanceCount0 / 32f);
if (threadGroups == 0)
{
continue;
}
SetComputeShaderBuffer(_mergeSourceBuffer0ID, _mergeInstanceCount0ID, m, j, k);
SetComputeShaderBuffer(_mergeSourceBuffer1ID, _mergeInstanceCount1ID, m + 1, j, k);
SetComputeShaderBuffer(_mergeSourceBuffer2ID, _mergeInstanceCount2ID, m + 2, j, k);
SetComputeShaderBuffer(_mergeSourceBuffer3ID, _mergeInstanceCount3ID, m + 3, j, k);
SetComputeShaderBuffer(_mergeSourceBuffer4ID, _mergeInstanceCount4ID, m + 4, j, k);
SetComputeShaderBuffer(_mergeSourceBuffer5ID, _mergeInstanceCount5ID, m + 5, j, k);
SetComputeShaderBuffer(_mergeSourceBuffer6ID, _mergeInstanceCount6ID, m + 6, j, k);
SetComputeShaderBuffer(_mergeSourceBuffer7ID, _mergeInstanceCount7ID, m + 7, j, k);
SetComputeShaderBuffer(_mergeSourceBuffer8ID, _mergeInstanceCount8ID, m + 8, j, k);
SetComputeShaderBuffer(_mergeSourceBuffer9ID, _mergeInstanceCount9ID, m + 9, j, k);
SetComputeShaderBuffer(_mergeSourceBuffer10ID, _mergeInstanceCount10ID, m + 10, j, k);
SetComputeShaderBuffer(_mergeSourceBuffer11ID, _mergeInstanceCount11ID, m + 11, j, k);
SetComputeShaderBuffer(_mergeSourceBuffer12ID, _mergeInstanceCount12ID, m + 12, j, k);
SetComputeShaderBuffer(_mergeSourceBuffer13ID, _mergeInstanceCount13ID, m + 13, j, k);
SetComputeShaderBuffer(_mergeSourceBuffer14ID, _mergeInstanceCount14ID, m + 14, j, k);
MergeBufferShader.Dispatch(MergeBufferKernelHandle, threadGroups, 1, 1);
}
for (int n = 0; n <= vegetationItemModelInfo.VegetationMeshLod0.subMeshCount - 1; n++)
{
ComputeBuffer.CopyCount(cameraComputeBuffers.MergeBuffer,
cameraComputeBuffers.ArgsBufferMergedLOD0List[n], sizeof(uint) * 1);
}
int threadGroupsFrustum = Mathf.CeilToInt(totalInstanceCount / 32f);
if (threadGroupsFrustum == 0)
{
continue;
}
cameraComputeBuffers.VisibleBufferLOD0.SetCounterValue(0);
cameraComputeBuffers.VisibleBufferLOD1.SetCounterValue(0);
cameraComputeBuffers.VisibleBufferLOD2.SetCounterValue(0);
cameraComputeBuffers.VisibleBufferLOD3.SetCounterValue(0);
cameraComputeBuffers.ShadowBufferLOD0.SetCounterValue(0);
cameraComputeBuffers.ShadowBufferLOD1.SetCounterValue(0);
cameraComputeBuffers.ShadowBufferLOD2.SetCounterValue(0);
cameraComputeBuffers.ShadowBufferLOD3.SetCounterValue(0);
bool useLODs = true;
FrusumMatrixShader.SetFloat(_cullFarStartID, vegetationItemCullDistance);
FrusumMatrixShader.SetVector(_floatingOriginOffsetID, floatingOriginOffsetVector4);
FrusumMatrixShader.SetBuffer(FrustumKernelHandle, _sourceBufferID,
cameraComputeBuffers.MergeBuffer);
FrusumMatrixShader.SetBuffer(FrustumKernelHandle, _visibleBufferLod0ID,
cameraComputeBuffers.VisibleBufferLOD0);
FrusumMatrixShader.SetBuffer(FrustumKernelHandle, _visibleBufferLod1ID,
cameraComputeBuffers.VisibleBufferLOD1);
FrusumMatrixShader.SetBuffer(FrustumKernelHandle, _visibleBufferLod2ID,
cameraComputeBuffers.VisibleBufferLOD2);
FrusumMatrixShader.SetBuffer(FrustumKernelHandle, _visibleBufferLod3ID,
cameraComputeBuffers.VisibleBufferLOD3);
FrusumMatrixShader.SetBuffer(FrustumKernelHandle, _shadowBufferLod0ID,
cameraComputeBuffers.ShadowBufferLOD0);
FrusumMatrixShader.SetBuffer(FrustumKernelHandle, _shadowBufferLod1ID,
cameraComputeBuffers.ShadowBufferLOD1);
FrusumMatrixShader.SetBuffer(FrustumKernelHandle, _shadowBufferLod2ID,
cameraComputeBuffers.ShadowBufferLOD2);
FrusumMatrixShader.SetBuffer(FrustumKernelHandle, _shadowBufferLod3ID,
cameraComputeBuffers.ShadowBufferLOD3);
FrusumMatrixShader.SetInt(_instanceCountID, totalInstanceCount);
FrusumMatrixShader.SetBool(_useLodsID, useLODs);
FrusumMatrixShader.SetBool(_noFrustumCullingID, VegetationStudioCameraList[i].CameraCullingMode == CameraCullingMode.Complete360);
FrusumMatrixShader.SetBool(_shadowCullingID, useShadowCulling);
FrusumMatrixShader.SetFloat(_boundingSphereRadiusID,
vegetationItemModelInfo.BoundingSphereRadius);
FrusumMatrixShader.SetFloat(_lod1Distance, vegetationItemModelInfo.LOD1Distance);
FrusumMatrixShader.SetFloat(_lod2Distance, vegetationItemModelInfo.LOD2Distance);
FrusumMatrixShader.SetFloat(_lod3Distance, vegetationItemModelInfo.LOD3Distance);
FrusumMatrixShader.SetVector(_lightDirection, sunLightDirection);
FrusumMatrixShader.SetVector(_planeOrigin, planeOrigin);
FrusumMatrixShader.SetVector(_boundsSize, vegetationItemModelInfo.VegetationItemInfo.Bounds.size);
FrusumMatrixShader.SetFloat(_lodFactor, vegetationItemInfo.LODFactor);
FrusumMatrixShader.SetFloat(_lodBias, lodBias * 2);
FrusumMatrixShader.SetFloat(_lodFadeDistance, 10);
FrusumMatrixShader.SetInt(_lodCount, vegetationItemModelInfo.LODCount);
FrusumMatrixShader.Dispatch(FrustumKernelHandle, threadGroupsFrustum, 1, 1);
for (int n = 0; n <= vegetationItemModelInfo.VegetationMeshLod0.subMeshCount - 1; n++)
{
ComputeBuffer.CopyCount(cameraComputeBuffers.VisibleBufferLOD0,
cameraComputeBuffers.ArgsBufferMergedLOD0List[n], sizeof(uint) * 1);
ComputeBuffer.CopyCount(cameraComputeBuffers.ShadowBufferLOD0,
cameraComputeBuffers.ShadowArgsBufferMergedLOD0List[n], sizeof(uint) * 1);
}
if (useLODs)
{
for (int n = 0; n <= vegetationItemModelInfo.VegetationMeshLod1.subMeshCount - 1; n++)
{
ComputeBuffer.CopyCount(cameraComputeBuffers.VisibleBufferLOD1,
cameraComputeBuffers.ArgsBufferMergedLOD1List[n], sizeof(uint) * 1);
ComputeBuffer.CopyCount(cameraComputeBuffers.ShadowBufferLOD1,
cameraComputeBuffers.ShadowArgsBufferMergedLOD1List[n], sizeof(uint) * 1);
}
for (int n = 0; n <= vegetationItemModelInfo.VegetationMeshLod2.subMeshCount - 1; n++)
{
ComputeBuffer.CopyCount(cameraComputeBuffers.VisibleBufferLOD2,
cameraComputeBuffers.ArgsBufferMergedLOD2List[n], sizeof(uint) * 1);
ComputeBuffer.CopyCount(cameraComputeBuffers.ShadowBufferLOD2,
cameraComputeBuffers.ShadowArgsBufferMergedLOD2List[n], sizeof(uint) * 1);
}
for (int n = 0; n <= vegetationItemModelInfo.VegetationMeshLod3.subMeshCount - 1; n++)
{
ComputeBuffer.CopyCount(cameraComputeBuffers.VisibleBufferLOD3,
cameraComputeBuffers.ArgsBufferMergedLOD3List[n], sizeof(uint) * 1);
ComputeBuffer.CopyCount(cameraComputeBuffers.ShadowBufferLOD3,
cameraComputeBuffers.ShadowArgsBufferMergedLOD3List[n], sizeof(uint) * 1);
}
}
//TODO calculate bounds one for each LOD
float boundsDistance = vegetationItemCullDistance * 2 +
vegetationItemModelInfo.BoundingSphereRadius;
Bounds cellBounds = new Bounds(VegetationStudioCameraList[i].SelectedCamera.transform.position,
new Vector3(boundsDistance, boundsDistance, boundsDistance));
RenderVegetationItemLODIndirect(vegetationItemModelInfo, cellBounds, 0, i,
targetCamera, shadowCastingMode, layer, false);
if (shadowCastingMode == ShadowCastingMode.On)
{
RenderVegetationItemLODIndirect(vegetationItemModelInfo, cellBounds, 0, i,
targetCamera, ShadowCastingMode.ShadowsOnly, layer, true);
}
if (useLODs)
{
if (vegetationItemModelInfo.LODCount > 1)
{
RenderVegetationItemLODIndirect(vegetationItemModelInfo, cellBounds, 1, i,
targetCamera, shadowCastingMode, layer, false);
if (shadowCastingMode == ShadowCastingMode.On)
{
RenderVegetationItemLODIndirect(vegetationItemModelInfo, cellBounds, 1, i,
targetCamera, ShadowCastingMode.ShadowsOnly, layer, true);
}
}
if (vegetationItemModelInfo.LODCount > 2)
{
RenderVegetationItemLODIndirect(vegetationItemModelInfo, cellBounds, 2, i,
targetCamera, shadowCastingMode, layer, false);
if (shadowCastingMode == ShadowCastingMode.On)
{
RenderVegetationItemLODIndirect(vegetationItemModelInfo, cellBounds, 2, i,
targetCamera, ShadowCastingMode.ShadowsOnly, layer, true);
}
}
if (vegetationItemModelInfo.LODCount > 3)
{
RenderVegetationItemLODIndirect(vegetationItemModelInfo, cellBounds, 3, i,
targetCamera, shadowCastingMode, layer, false);
if (shadowCastingMode == ShadowCastingMode.On)
{
RenderVegetationItemLODIndirect(vegetationItemModelInfo, cellBounds, 3, i,
targetCamera, ShadowCastingMode.ShadowsOnly, layer, true);
}
}
}
}
}
}
Profiler.EndSample();
}