// The command buffer populates the LODs with ocean depth data. It submits any objects with a RenderOceanDepth component attached.
// It's stateless - the textures don't have to be managed across frames/scale changes
void UpdateCmdBufOceanFloorDepth()
{
// if there is nothing in the scene tagged up for depth rendering then there is no depth rendering required
if (_depthRenderers.Count < 1)
{
if (_bufOceanDepth != null)
{
_bufOceanDepth.Clear();
}
return;
}
if (_bufOceanDepth == null)
{
_bufOceanDepth = new CommandBuffer();
Cam.AddCommandBuffer(CameraEvent.BeforeForwardOpaque, _bufOceanDepth);
_bufOceanDepth.name = "Ocean Depth";
}
_bufOceanDepth.Clear();
_bufOceanDepth.SetRenderTarget(_rtOceanDepth);
_bufOceanDepth.ClearRenderTarget(false, true, Color.black);
foreach (var entry in _depthRenderers)
{
_bufOceanDepth.DrawRenderer(entry.Key, entry.Value);
}
}
// The command buffer populates the LODs with ocean depth data. It submits any objects with a RenderOceanDepth component attached.
// It's stateless - the textures don't have to be managed across frames/scale changes
void UpdateCmdBufOceanFloorDepth()
{
var objs = FindObjectsOfType <RenderOceanDepth>();
// if there is nothing in the scene tagged up for depth rendering then there is no depth rendering required
if (objs.Length < 1)
{
if (_bufOceanDepth != null)
{
_bufOceanDepth.Clear();
}
return;
}
if (_bufOceanDepth == null)
{
_bufOceanDepth = new CommandBuffer();
Cam.AddCommandBuffer(CameraEvent.BeforeForwardOpaque, _bufOceanDepth);
_bufOceanDepth.name = "Ocean Depth";
}
_bufOceanDepth.Clear();
_bufOceanDepth.SetRenderTarget(_rtOceanDepth);
_bufOceanDepth.ClearRenderTarget(false, true, Color.red * 10000f);
foreach (var obj in objs)
{
if (!obj.enabled)
{
continue;
}
var r = obj.GetComponent <Renderer>();
if (r == null)
{
Debug.LogError("GameObject '" + obj.gameObject.name + "' must have a renderer component attached. Unity Terrain objects are not supported - these must be captured by an Ocean Depth Cache.", obj);
}
else if (obj.transform.parent != null && obj.transform.parent.GetComponent <OceanDepthCache>() != null)
{
_bufOceanDepth.DrawRenderer(r, r.material);
}
else
{
_bufOceanDepth.DrawRenderer(r, _matOceanDepth);
}
}
}
protected override void LateUpdate()
{
base.LateUpdate();
if (_advanceSimCmdBuf == null)
{
_advanceSimCmdBuf = new CommandBuffer();
_advanceSimCmdBuf.name = "AdvanceSim_" + SimName;
Cam.AddCommandBuffer(CameraEvent.BeforeForwardAlpha, _advanceSimCmdBuf);
_advanceSimCmdBuf.DrawRenderer(GetComponentInChildren <MeshRenderer>(), _renderSimMaterial);
}
float dt = SimDeltaTime;
_renderSimMaterial.SetFloat("_SimDeltaTime", dt);
_renderSimMaterial.SetFloat("_SimDeltaTimePrev", _simDeltaTimePrev);
_simDeltaTimePrev = dt;
// compute which lod data we are sampling source data from. if a scale change has happened this can be any lod up or down the chain.
float oceanLocalScale = OceanRenderer.Instance.transform.localScale.x;
if (_oceanLocalScalePrev == -1f)
{
_oceanLocalScalePrev = oceanLocalScale;
}
float ratio = oceanLocalScale / _oceanLocalScalePrev;
_oceanLocalScalePrev = oceanLocalScale;
float ratio_l2 = Mathf.Log(ratio) / Mathf.Log(2f);
int delta = Mathf.RoundToInt(ratio_l2);
int srcDataIdx = LodTransform.LodIndex + delta;
if (srcDataIdx >= 0 && srcDataIdx < SimCameras.Length)
{
// bind data to slot 0 - previous frame data
SimCameras[srcDataIdx].GetComponent <LodDataPersistent>().BindSourceData(0, _renderSimMaterial, false);
}
else
{
// no source data - bind params only
BindSourceData(0, _renderSimMaterial, true);
}
SetAdditionalSimParams(_renderSimMaterial);
LateUpdateInternal();
}
void LateUpdate()
{
if (_advanceSimCmdBuf == null)
{
_advanceSimCmdBuf = new CommandBuffer();
_advanceSimCmdBuf.name = "AdvanceSim_" + SimName;
Cam.AddCommandBuffer(CameraEvent.BeforeForwardAlpha, _advanceSimCmdBuf);
_advanceSimCmdBuf.DrawRenderer(GetComponentInChildren <MeshRenderer>(), _renderSimMaterial);
}
if (_copySimResultsCmdBuf == null)
{
_copySimResultsCmdBuf = new CommandBuffer();
_copySimResultsCmdBuf.name = "CopySimResults_" + SimName;
}
int lodIndex = OceanRenderer.Instance.GetLodIndex(_resolution);
// is the lod for the sim target resolution currently rendering?
if (lodIndex == -1)
{
// no - clear the copy sim results command buffer
if (_copySimResultsCmdBuf != null)
{
_copySimResultsCmdBuf.Clear();
}
// unassign from any camera if it is assigned
if (_bufAssignedCamIdx != -1)
{
OceanRenderer.Instance.Builder._shapeCameras[_bufAssignedCamIdx].RemoveCommandBuffer(CameraEvent.AfterForwardAlpha, _copySimResultsCmdBuf);
_bufAssignedCamIdx = -1;
}
// clear the simulation data - so that it doesnt suddenly pop in later
Graphics.Blit(Texture2D.blackTexture, PPRTs.Source, _matClearSim);
Graphics.Blit(Texture2D.blackTexture, PPRTs.Target, _matClearSim);
return;
}
// now make sure the command buffer is assigned to the correct camera
if (_bufAssignedCamIdx != lodIndex)
{
if (_bufAssignedCamIdx != -1)
{
OceanRenderer.Instance.Builder._shapeCameras[_bufAssignedCamIdx].RemoveCommandBuffer(CameraEvent.AfterForwardAlpha, _copySimResultsCmdBuf);
}
OceanRenderer.Instance.Builder._shapeCameras[lodIndex].AddCommandBuffer(CameraEvent.AfterForwardAlpha, _copySimResultsCmdBuf);
_bufAssignedCamIdx = lodIndex;
}
var lodCam = OceanRenderer.Instance.Builder._shapeCameras[lodIndex];
var wdc = OceanRenderer.Instance.Builder._shapeWDCs[lodIndex];
transform.position = lodCam.transform.position;
Cam.orthographicSize = lodCam.orthographicSize;
transform.localScale = (Vector3.right + Vector3.up) * Cam.orthographicSize * 2f + Vector3.forward;
Cam.projectionMatrix = lodCam.projectionMatrix;
Vector3 posDelta = wdc._renderData._posSnapped - _camPosSnappedLast;
_renderSimMaterial.SetVector("_CameraPositionDelta", posDelta);
_camPosSnappedLast = wdc._renderData._posSnapped;
float dt = SimDeltaTime;
_renderSimMaterial.SetFloat("_SimDeltaTime", dt);
_renderSimMaterial.SetFloat("_SimDeltaTimePrev", _simDeltaTimePrev);
if (!OceanRenderer.Instance._freezeTime)
{
_simDeltaTimePrev = dt;
}
_renderSimMaterial.SetTexture("_SimDataLastFrame", PPRTs.Source);
wdc.ApplyMaterialParams(0, new PropertyWrapperMaterial(_renderSimMaterial));
SetAdditionalSimParams(_renderSimMaterial);
if (_copySimMaterial)
{
_copySimMaterial.mainTexture = PPRTs.Target;
_copySimResultsCmdBuf.Clear();
_copySimResultsCmdBuf.Blit(PPRTs.Target, lodCam.targetTexture, _copySimMaterial);
}
AddPostRenderCommands(_copySimResultsCmdBuf);
}
