// --------------------------------------------------
// BAKE
#if UNITY_EDITOR
private IEnumerator BakePortalData()
{
// Generate Portal data
m_Completion = 0.0f;
m_BakeTime = 0.0f;
m_BakeStartTime = Time.realtimeSinceStartup;
m_BakeState = BakeState.Occluders;
var occluders = PortalPrepareUtil.GetOccluderData();
m_BakeState = BakeState.Volumes;
var volumes = PortalPrepareUtil.GetVolumeData(m_VolumeMode, m_Subdivisions);
m_BakeState = BakeState.Visibility;
List <VisbilityData> visibilityTable = null;
yield return(EditorCoroutines.StartCoroutine(GenerateVisibilityTable(occluders, volumes, value => visibilityTable = value), this));
// Serialize
m_PortalData = new SerializablePortalData()
{
occluders = occluders,
volumes = volumes,
visibilityTable = visibilityTable
};
// Finalize
m_BakeState = BakeState.Active;
m_Completion = 1.0f;
m_BakeTime = Time.realtimeSinceStartup - m_BakeStartTime;
UnityEditor.SceneView.RepaintAll();
UnityEditor.SceneManagement.EditorSceneManager.MarkAllScenesDirty();
}
private void DrawVolumeGizmos()
{
// Check draw toggle
if (m_DrawVolumes == false)
{
return;
}
// Draw gizmos for all Volumes
foreach (SerializableVolume volume in PortalPrepareUtil.FilterVolumeDataNoChildren(m_PortalData.volumes))
{
PortalDebugUtil.DrawCube(volume.positionWS, volume.rotationWS, volume.scaleWS, PortalDebugColors.volume);
}
}
// -------------------------------------------------- //
// PUBLIC METHODS //
// -------------------------------------------------- //
/// <summary>
/// Get all renderers from the VisibilityTable
/// </summary>
public Dictionary <int, MeshRenderer> GetAllRenderers()
{
// Get lowest subdivision volumes
var lowestSubdivisionVolumes = PortalPrepareUtil.FilterVolumeDataNoChildren(volumes);
List <MeshRenderer> renderers = new List <MeshRenderer>();
foreach (SerializableVolume volume in lowestSubdivisionVolumes)
{
// Iterate all volumes
MeshRenderer[] volumeRenderers;
if (visibilityTable.TryGetRenderers(volume, out volumeRenderers))
{
// Get renderers from VisbilityTable
foreach (MeshRenderer r in volumeRenderers)
{
renderers.Add(r);
}
}
}
// Store as dictionary with instanceID
return(renderers.Distinct().ToDictionary(s => s.GetInstanceID()));
}
private IEnumerator GenerateVisibilityTable(SerializableOccluder[] occluders, SerializableVolume[] volumes, Action <List <VisbilityData> > result)
{
// Abort bake if input data is invalid
if (occluders == null || volumes == null)
{
Debug.LogError("Bake prepare data is invalid. Check bake output and retry.");
m_BakeState = BakeState.Empty;
m_Completion = 0;
yield return(null);
}
// Setup
m_BakeState = BakeState.Visibility;
var visibilityTable = new List <VisbilityData>();
int totalRays = 0;
int passedRays = 0;
int occludedRays = 0;
// Get Occluder proxies, volumes and occludees
var occluderProxies = PortalPrepareUtil.GetOccluderProxies(occluders);
var lowestSubdivisionVolumes = PortalPrepareUtil.FilterVolumeDataNoChildren(volumes);
var occludees = PortalPrepareUtil.GetStaticOccludeeRenderers();
// Build Visibility for Volumes
for (int v = 0; v < lowestSubdivisionVolumes.Length; v++)
{
// Setup
m_Completion = (float)(v + 1) / (float)lowestSubdivisionVolumes.Length;
var volume = lowestSubdivisionVolumes[v];
var passedObjects = new List <GameObject>();
var debugData = new List <VisbilityData.Debug>();
// Iterate random rays based on volume density
var rayCount = PortalVisibilityUtil.CalculateRayCount(m_RayDensity, volume.scaleWS);
totalRays += rayCount;
for (int r = 0; r < rayCount; r++)
{
// Get a random ray and a list of cone filtered renderers to test
var rayPosition = PortalVisibilityUtil.GetRandomPointWithinVolume(volume);
var rayDirection = PortalVisibilityUtil.RandomSphericalDistributionVector();
var filteredOccludees = PortalVisibilityUtil.FilterRenderersByConeAngle(occludees, rayPosition, rayDirection, m_ConeAngle);
for (int f = 0; f < filteredOccludees.Length; f++)
{
// Test ray against renderer AABB
if (PortalVisibilityUtil.CheckAABBIntersection(rayPosition, rayDirection, filteredOccludees[f].bounds))
{
// Test ray against occluders
Vector3 hitPos;
bool passed = PortalVisibilityUtil.CheckOcclusion(occluderProxies, filteredOccludees[f], rayPosition, rayDirection, out hitPos);
switch (passed)
{
case true:
passedObjects.AddIfUnique(filteredOccludees[f].gameObject);
passedRays++;
break;
case false:
occludedRays++;
break;
}
// Track visibility debug data
debugData.Add(new VisbilityData.Debug()
{
source = rayPosition,
hit = hitPos,
direction = rayDirection,
distance = Vector3.Distance(rayPosition, filteredOccludees[f].transform.position),
isHit = !passed,
});
}
}
}
// Add to VisibilityTable
visibilityTable.Add(new VisbilityData(volume, passedObjects.ToArray(), debugData.ToArray()));
yield return(null);
}
// Clear Occluder proxies
for (int i = 0; i < occluderProxies.Length; i++)
{
PortalCoreUtil.Destroy(occluderProxies[i].gameObject);
}
// Save statistics
var occludeeCount = PortalCoreUtil.GetUniqueOccludeeCount(visibilityTable);
m_OccludeeStatistics = new Vector2(occludeeCount, occludees.Length);
m_RayStatistics = new Vector3(passedRays, occludedRays, totalRays);
// Finalize
result(visibilityTable);
}
