protected override void OnUpdate()
{
Entities.ForEach((HLOD hlod) =>
{
var lodGroup = hlod.GetComponent <LODGroup>();
var hlodEntity = GetPrimaryEntity(hlod);
// If conversion of LODGroup failed, skip HLOD conversion too
if (!DstEntityManager.HasComponent <MeshLODGroupComponent>(hlodEntity))
{
return;
}
DstEntityManager.AddComponent(hlodEntity, ComponentType.ReadWrite <HLODComponent>());
var LODCount = lodGroup.lodCount;
if (LODCount != hlod.LODParentTransforms.Length)
{
Debug.LogWarning("HLOD out of sync with LODGroup", hlod);
return;
}
for (int i = 0; i != LODCount; i++)
{
var childGroups = hlod.CalculateLODGroups(i);
var HLODMask = 1 << i;
foreach (var childGroup in childGroups)
{
var childLodGroupEntities = GetEntities(childGroup);
if (childLodGroupEntities.Count() == 0)
{
Debug.LogWarning($"Missing child group '{childGroup.gameObject.name}' in LOD group '{hlod.gameObject.name}', this can happen because the child group is disabled.");
return;
}
foreach (var childLodGroupEntity in childLodGroupEntities)
{
if (DstEntityManager.HasComponent <MeshLODGroupComponent>(childLodGroupEntity))
{
var group = DstEntityManager.GetComponentData <MeshLODGroupComponent>(childLodGroupEntity);
group.ParentGroup = hlodEntity;
group.ParentMask = HLODMask;
DstEntityManager.SetComponentData(childLodGroupEntity, group);
}
}
}
var outsideRenderers = CalculateRenderersOutsideLODGroups(hlod, i);
foreach (var r in outsideRenderers)
{
foreach (var rendererEntity in GetEntities(r))
{
if (DstEntityManager.HasComponent <RenderMesh>(rendererEntity))
{
//@TODO: Not quite sure if this makes sense. Test that this behaviour is reasonable.
if (DstEntityManager.HasComponent <MeshLODComponent>(rendererEntity))
{
continue;
}
var lodComponent = new MeshLODComponent {
Group = hlodEntity, LODMask = HLODMask
};
DstEntityManager.AddComponentData(rendererEntity, lodComponent);
}
}
}
}
});
}
protected override void OnUpdate()
{
Entities.ForEach((LODGroup lodGroup) =>
{
if (lodGroup.lodCount > 8)
{
Debug.LogWarning("LODGroup has more than 8 LOD - Not supported", lodGroup);
return;
}
var lodGroupEntity = GetPrimaryEntity(lodGroup);
var lodGroupData = new MeshLODGroupComponent();
//@TODO: LOD calculation should respect scale...
var worldSpaceSize = LODGroupExtensions.GetWorldSpaceSize(lodGroup);
lodGroupData.LocalReferencePoint = lodGroup.localReferencePoint;
var lodDistances0 = new float4(float.PositiveInfinity);
var lodDistances1 = new float4(float.PositiveInfinity);
var lodGroupLODs = lodGroup.GetLODs();
for (int i = 0; i < lodGroup.lodCount; ++i)
{
float d = worldSpaceSize / lodGroupLODs[i].screenRelativeTransitionHeight;
if (i < 4)
{
lodDistances0[i] = d;
}
else
{
lodDistances1[i - 4] = d;
}
}
lodGroupData.LODDistances0 = lodDistances0;
lodGroupData.LODDistances1 = lodDistances1;
DstEntityManager.AddComponentData(lodGroupEntity, lodGroupData);
for (int i = 0; i < lodGroupLODs.Length; ++i)
{
foreach (var renderer in lodGroupLODs[i].renderers)
{
if (renderer == null)
{
Debug.LogWarning("Missing renderer in LOD Group", lodGroup);
continue;
}
DeclareDependency(renderer, lodGroup);
DeclareDependency(lodGroup, renderer);
foreach (var rendererEntity in GetEntities(renderer))
{
if (DstEntityManager.HasComponent <RenderMesh>(rendererEntity))
{
var lodComponent = new MeshLODComponent {
Group = lodGroupEntity, LODMask = 1 << i
};
if (!DstEntityManager.HasComponent <MeshLODComponent>(rendererEntity))
{
DstEntityManager.AddComponentData(rendererEntity, lodComponent);
}
else
{
var previousLODComponent = DstEntityManager.GetComponentData <MeshLODComponent>(rendererEntity);
if (previousLODComponent.Group != lodComponent.Group)
{
Debug.LogWarning("A renderer can not be in multiple different LODGroup.", renderer);
continue;
}
if ((previousLODComponent.LODMask & (1 << (i - 1))) == 0)
{
Debug.LogWarning("A renderer that is present in the same LODGroup multiple times must be in consecutive LOD levels.", renderer);
}
lodComponent.LODMask |= previousLODComponent.LODMask;
DstEntityManager.SetComponentData(rendererEntity, lodComponent);
}
}
}
}
}
});
}
