static void ApplyBlobAssetChanges(
EntityManager entityManager,
NativeArray <EntityGuid> packedEntityGuids,
NativeMultiHashMap <int, Entity> packedEntities,
NativeArray <ComponentType> packedTypes,
NativeArray <BlobAssetChange> createdBlobAssets,
NativeArray <byte> createdBlobAssetData,
NativeArray <ulong> destroyedBlobAssets,
NativeArray <BlobAssetReferenceChange> blobAssetReferenceChanges)
{
if (createdBlobAssets.Length == 0 && blobAssetReferenceChanges.Length == 0)
{
return;
}
var patcherBlobAssetSystem = entityManager.World.GetOrCreateSystem <EntityPatcherBlobAssetSystem>();
var blobAssetDataPtr = (byte *)createdBlobAssetData.GetUnsafePtr();
for (var i = 0; i < createdBlobAssets.Length; i++)
{
if (!patcherBlobAssetSystem.TryGetBlobAsset(createdBlobAssets[i].Hash, out _))
{
patcherBlobAssetSystem.AllocateBlobAsset(blobAssetDataPtr, createdBlobAssets[i].Length, createdBlobAssets[i].Hash);
}
blobAssetDataPtr += createdBlobAssets[i].Length;
}
for (var i = 0; i < destroyedBlobAssets.Length; i++)
{
patcherBlobAssetSystem.ReleaseBlobAsset(destroyedBlobAssets[i]);
}
for (var i = 0; i < blobAssetReferenceChanges.Length; i++)
{
var packedComponent = blobAssetReferenceChanges[i].Component;
var component = packedTypes[packedComponent.PackedTypeIndex];
var targetOffset = blobAssetReferenceChanges[i].Offset;
BlobAssetReferenceData targetBlobAssetReferenceData;
if (patcherBlobAssetSystem.TryGetBlobAsset(blobAssetReferenceChanges[i].Value, out var blobAssetPtr))
{
targetBlobAssetReferenceData = new BlobAssetReferenceData {
m_Ptr = (byte *)blobAssetPtr.Data
};
}
if (packedEntities.TryGetFirstValue(packedComponent.PackedEntityIndex, out var entity, out var iterator))
{
do
{
if (!entityManager.Exists(entity))
{
Debug.LogWarning($"ApplyBlobAssetReferencePatches<{component}>({packedEntityGuids[packedComponent.PackedEntityIndex]}) but entity to patch does not exist.");
}
else if (!entityManager.HasComponent(entity, component))
{
Debug.LogWarning($"ApplyBlobAssetReferencePatches<{component}>({packedEntityGuids[packedComponent.PackedEntityIndex]}) but component in entity to patch does not exist.");
}
else
{
if (component.IsBuffer)
{
var pointer = (byte *)entityManager.GetBufferRawRW(entity, component.TypeIndex);
UnsafeUtility.MemCpy(pointer + targetOffset, &targetBlobAssetReferenceData, sizeof(BlobAssetReferenceData));
}
#if !NET_DOTS
else if (component.IsManagedComponent)
{
var obj = entityManager.GetManagedComponentDataAsObject(entity, component);
var pointer = (byte *)UnsafeUtility.PinGCObjectAndGetAddress(obj, out ulong handle);
pointer += TypeManager.ObjectOffset;
UnsafeUtility.MemCpy(pointer + targetOffset, &targetBlobAssetReferenceData, sizeof(BlobAssetReferenceData));
UnsafeUtility.ReleaseGCObject(handle);
}
#endif
else
{
var pointer = (byte *)entityManager.GetComponentDataRawRW(entity, component.TypeIndex);
UnsafeUtility.MemCpy(pointer + targetOffset, &targetBlobAssetReferenceData, sizeof(BlobAssetReferenceData));
}
}
}while (packedEntities.TryGetNextValue(out entity, ref iterator));
}
}
// Workaround to catch some special cases where the memory is never released. (e.g. reloading a scene, toggling live-link on/off).
patcherBlobAssetSystem.ReleaseUnusedBlobAssets();
}
/// <summary>
/// Construct a BlobAssetReference from the blob data
/// </summary>
/// <param name="blobData">The blob data to attach to the returned object</param>
/// <returns>The created BlobAssetReference</returns>
internal static BlobAssetReference <T> Create(BlobAssetReferenceData blobData)
{
return(new BlobAssetReference <T> {
m_data = blobData
});
}
static void ApplyBlobAssetChanges(
EntityManager entityManager,
NativeArray <EntityGuid> packedEntityGuids,
NativeMultiHashMap <int, Entity> packedEntities,
NativeArray <ComponentType> packedTypes,
NativeArray <BlobAssetChange> createdBlobAssets,
NativeArray <byte> createdBlobAssetData,
NativeArray <ulong> destroyedBlobAssets,
NativeArray <BlobAssetReferenceChange> blobAssetReferenceChanges)
{
if (createdBlobAssets.Length == 0 && blobAssetReferenceChanges.Length == 0)
{
return;
}
s_ApplyBlobAssetChangesProfilerMarker.Begin();
var managedObjectBlobAssetReferencePatches = new NativeMultiHashMap <EntityComponentPair, ManagedObjectBlobAssetReferencePatch>(blobAssetReferenceChanges.Length, Allocator.Temp);
var patcherBlobAssetSystem = entityManager.World.GetOrCreateSystem <EntityPatcherBlobAssetSystem>();
var blobAssetDataPtr = (byte *)createdBlobAssetData.GetUnsafePtr();
for (var i = 0; i < createdBlobAssets.Length; i++)
{
if (!patcherBlobAssetSystem.TryGetBlobAsset(createdBlobAssets[i].Hash, out _))
{
patcherBlobAssetSystem.AllocateBlobAsset(blobAssetDataPtr, createdBlobAssets[i].Length, createdBlobAssets[i].Hash);
}
blobAssetDataPtr += createdBlobAssets[i].Length;
}
for (var i = 0; i < destroyedBlobAssets.Length; i++)
{
patcherBlobAssetSystem.ReleaseBlobAsset(entityManager, destroyedBlobAssets[i]);
}
for (var i = 0; i < blobAssetReferenceChanges.Length; i++)
{
var packedComponent = blobAssetReferenceChanges[i].Component;
var component = packedTypes[packedComponent.PackedTypeIndex];
var targetOffset = blobAssetReferenceChanges[i].Offset;
BlobAssetReferenceData targetBlobAssetReferenceData;
if (patcherBlobAssetSystem.TryGetBlobAsset(blobAssetReferenceChanges[i].Value, out var blobAssetPtr))
{
targetBlobAssetReferenceData = new BlobAssetReferenceData {
m_Ptr = (byte *)blobAssetPtr.Data
};
}
if (packedEntities.TryGetFirstValue(packedComponent.PackedEntityIndex, out var entity, out var iterator))
{
do
{
if (!entityManager.Exists(entity))
{
Debug.LogWarning($"ApplyBlobAssetReferencePatches<{component}>({packedEntityGuids[packedComponent.PackedEntityIndex]}) but entity to patch does not exist.");
}
else if (!entityManager.HasComponent(entity, component))
{
Debug.LogWarning($"ApplyBlobAssetReferencePatches<{component}>({packedEntityGuids[packedComponent.PackedEntityIndex]}) but component in entity to patch does not exist.");
}
else
{
if (component.IsBuffer)
{
var pointer = (byte *)entityManager.GetBufferRawRW(entity, component.TypeIndex);
UnsafeUtility.MemCpy(pointer + targetOffset, &targetBlobAssetReferenceData, sizeof(BlobAssetReferenceData));
}
else if (component.IsManagedComponent || component.IsSharedComponent)
{
managedObjectBlobAssetReferencePatches.Add(
new EntityComponentPair {
Entity = entity, Component = component
},
new ManagedObjectBlobAssetReferencePatch {
Id = targetOffset, Target = blobAssetReferenceChanges[i].Value
});
}
else
{
var pointer = (byte *)entityManager.GetComponentDataRawRW(entity, component.TypeIndex);
UnsafeUtility.MemCpy(pointer + targetOffset, &targetBlobAssetReferenceData, sizeof(BlobAssetReferenceData));
}
}
}while (packedEntities.TryGetNextValue(out entity, ref iterator));
}
}
s_ApplyBlobAssetChangesProfilerMarker.End();
#if !UNITY_DOTSRUNTIME
var managedObjectPatcher = new ManagedObjectBlobAssetReferencePatcher(patcherBlobAssetSystem);
// Apply all managed entity patches
using (var keys = managedObjectBlobAssetReferencePatches.GetKeyArray(Allocator.Temp))
{
keys.Sort();
var uniqueCount = keys.Unique();
for (var i = 0; i < uniqueCount; i++)
{
var pair = keys[i];
var patches = managedObjectBlobAssetReferencePatches.GetValuesForKey(pair);
if (pair.Component.IsManagedComponent)
{
var obj = entityManager.GetComponentObject <object>(pair.Entity, pair.Component);
managedObjectPatcher.ApplyPatches(ref obj, patches);
}
else if (pair.Component.IsSharedComponent)
{
var obj = entityManager.GetSharedComponentData(pair.Entity, pair.Component.TypeIndex);
managedObjectPatcher.ApplyPatches(ref obj, patches);
entityManager.SetSharedComponentDataBoxedDefaultMustBeNull(pair.Entity, pair.Component.TypeIndex, obj);
}
patches.Dispose();
}
}
#endif
managedObjectBlobAssetReferencePatches.Dispose();
// Workaround to catch some special cases where the memory is never released. (e.g. reloading a scene, toggling live-link on/off).
patcherBlobAssetSystem.ReleaseUnusedBlobAssets();
}