unsafe public void ReadWriteObjectTableIndex()
{
var srcData = ConfigureStruct();
// Write to stream
var buffer = new UnsafeAppendBuffer(0, 16, Allocator.Persistent);
var writer = new PropertiesBinaryWriter(&buffer);
PropertyContainer.Visit(ref srcData, writer);
var objectTable = writer.GetObjectTable();
// Read from stream
var readStream = writer.Buffer.AsReader();
var reader = new PropertiesBinaryReader(&readStream, objectTable);
var readData = new TestStruct();
PropertyContainer.Visit(ref readData, reader);
// Check same
TestStruct.AreEqual(srcData, readData);
buffer.Dispose();
}
unsafe public void ReadWriteBoxedWithStringArrayWithOneElement()
{
var srcData = new ComponentWithStringArray()
{
StringArray = new string[] { "One" }
};
// Write to stream
var buffer = new UnsafeAppendBuffer(0, 16, Allocator.Persistent);
var writer = new PropertiesBinaryWriter(&buffer);
var boxedSrcData = (object)srcData;
BoxedProperties.WriteBoxedType(boxedSrcData, writer);
var objectTable = writer.GetObjectTable();
// Read from stream
var readStream = writer.Buffer.AsReader();
var reader = new PropertiesBinaryReader(&readStream, objectTable);
var boxedRead = BoxedProperties.ReadBoxedClass(typeof(ComponentWithStringArray), reader);
// Check same
ComponentWithStringArray.AreEqual(srcData, (ComponentWithStringArray)boxedRead);
buffer.Dispose();
}
unsafe public void ReadWriteBoxed()
{
var srcData = ConfigureStruct();
// Write to stream
var buffer = new UnsafeAppendBuffer(0, 16, Allocator.Persistent);
var writer = new PropertiesBinaryWriter(&buffer);
var boxedSrcData = (object)srcData;
BoxedProperties.WriteBoxedType(boxedSrcData, writer);
var objectTable = writer.GetObjectTable();
// Read from stream
var readStream = writer.Buffer.AsReader();
var reader = new PropertiesBinaryReader(&readStream, objectTable);
var boxedRead = BoxedProperties.ReadBoxedStruct(typeof(TestStruct), reader);
// Check same
TestStruct.AreEqual(srcData, (TestStruct)boxedRead);
buffer.Dispose();
}
static object CloneManagedComponent(object obj)
{
if (obj == null)
{
return(null);
}
else
{
#if !NET_DOTS
var type = obj.GetType();
var buffer = new UnsafeAppendBuffer(16, 16, Allocator.Temp);
var writer = new PropertiesBinaryWriter(&buffer);
BoxedProperties.WriteBoxedType(obj, writer);
var readBuffer = buffer.AsReader();
var r2 = new PropertiesBinaryReader(&readBuffer, writer.GetObjectTable());
object newObj = BoxedProperties.ReadBoxedClass(type, r2);
buffer.Dispose();
return(newObj);
#else
// Until DOTS Runtime supports Properties just reuse the same instance
return(obj);
#endif
}
}
//@TODO: Encode type in hashcode...
#if !NET_DOTS
public static unsafe int ManagedGetHashCode(object lhs, TypeInfo typeInfo)
{
var fn = (TypeInfo.ManagedGetHashCodeDelegate)typeInfo.GetHashFn;
if (fn != null)
{
return(fn(lhs));
}
int hash = 0;
using (var buffer = new UnsafeAppendBuffer(16, 16, Allocator.Temp))
{
var writer = new PropertiesBinaryWriter(&buffer);
BoxedProperties.WriteBoxedType(lhs, writer);
var remainder = buffer.Length & (sizeof(int) - 1);
var alignedSize = buffer.Length - remainder;
var bufferPtrAtEndOfAlignedData = buffer.Ptr + alignedSize;
for (int i = 0; i < alignedSize; i += sizeof(int))
{
hash *= FNV_32_PRIME;
hash ^= *(int *)(buffer.Ptr + i);
}
for (var i = 0; i < remainder; i++)
{
hash *= FNV_32_PRIME;
hash ^= *(byte *)(bufferPtrAtEndOfAlignedData + i);
}
foreach (var obj in writer.GetObjectTable())
{
hash *= FNV_32_PRIME;
hash ^= obj.GetHashCode();
}
}
return(hash);
}
public static unsafe bool ManagedEquals(object lhs, object rhs, TypeInfo typeInfo)
{
var fn = (TypeInfo.ManagedCompareEqualDelegate)typeInfo.EqualFn;
if (fn != null)
{
return(fn(lhs, rhs));
}
using (var bufferLHS = new UnsafeAppendBuffer(512, 16, Allocator.Temp))
using (var bufferRHS = new UnsafeAppendBuffer(512, 16, Allocator.Temp))
{
var writerLHS = new PropertiesBinaryWriter(&bufferLHS);
BoxedProperties.WriteBoxedType(lhs, writerLHS);
var writerRHS = new PropertiesBinaryWriter(&bufferRHS);
BoxedProperties.WriteBoxedType(rhs, writerRHS);
if (UnsafeUtility.MemCmp(bufferLHS.Ptr, bufferRHS.Ptr, bufferLHS.Length) != 0)
{
return(false);
}
var objectTableLHS = writerLHS.GetObjectTable();
var objectTableRHS = writerRHS.GetObjectTable();
Assertions.Assert.AreEqual(objectTableLHS.Length, objectTableRHS.Length);
for (int i = 0; i < objectTableLHS.Length; ++i)
{
if (!objectTableLHS[i].Equals(objectTableRHS[i]))
{
return(false);
}
}
}
return(true);
}
public static void ReplicateManagedObjects(
ManagedComponentStore srcStore, Archetype *srcArch, int srcManagedArrayIndex, int srcChunkCapacity, int srcIndex,
ManagedComponentStore dstStore, Archetype *dstArch, int dstManagedArrayIndex, int dstChunkCapacity, int dstBaseIndex, int count, Entity srcEntity, NativeArray <Entity> dstEntities)
{
object[] companionGameObjectInstances = null;
var srcI = 0;
var dstI = 0;
while (srcI < srcArch->TypesCount && dstI < dstArch->TypesCount)
{
if (srcArch->Types[srcI] < dstArch->Types[dstI])
{
++srcI;
}
else if (srcArch->Types[srcI] > dstArch->Types[dstI])
{
++dstI;
}
else
{
if (srcArch->IsManaged(srcI))
{
var componentType = srcArch->Types[srcI];
var typeInfo = TypeManager.GetTypeInfo(componentType.TypeIndex);
var obj = srcStore.GetManagedObject(srcArch, srcManagedArrayIndex, srcChunkCapacity, srcI, srcIndex);
if (typeInfo.Category == TypeManager.TypeCategory.Class)
{
// If we're dealing with a class based type, we will defer the execution to InstantiateHybridComponent (if dependency injection was made), this method will
// - Determine if the object should be cloned (true is returned) or referenced (false is returned)
// - Clone the GameObject and its components (as many times as we have in 'count'), and make it a Companion Game Object by adding a CompanionLink component to it
// - Add the Cloned Hybrid Component to the instantiated entities (again 'count' times)
if (InstantiateHybridComponent == null || !InstantiateHybridComponent(obj, srcStore, dstArch, dstStore, dstManagedArrayIndex, dstChunkCapacity, srcEntity, dstEntities, dstI, dstBaseIndex, ref companionGameObjectInstances))
{
// We end up here if we have to reference the object and not cloning it
for (var i = 0; i < count; ++i)
{
dstStore.SetManagedObject(dstArch, dstManagedArrayIndex, dstChunkCapacity, dstI, dstBaseIndex + i, obj);
}
}
}
else
{
#if NET_DOTS
for (var i = 0; i < count; ++i)
{
// Until DOTS Runtime supports Properties just perform a simple shallow copy
dstStore.SetManagedObject(dstArch, dstManagedArrayIndex, dstChunkCapacity, dstI, dstBaseIndex + i, obj);
}
#else
if (obj == null)
{
// If we are dealing with a Class/GameObject types just perform a shallow copy
for (var i = 0; i < count; ++i)
{
dstStore.SetManagedObject(dstArch, dstManagedArrayIndex, dstChunkCapacity, dstI, dstBaseIndex + i, obj);
}
}
else
{
// Unless we want to enforce managed components to implement an IDeepClonable interface
// we instead generate a binary stream of an object and then use that to instantiate our new deep copy
var type = TypeManager.GetType(componentType.TypeIndex);
var buffer = new UnsafeAppendBuffer(16, 16, Allocator.Temp);
var writer = new PropertiesBinaryWriter(&buffer);
BoxedProperties.WriteBoxedType(obj, writer);
for (var i = 0; i < count; ++i)
{
var readBuffer = buffer.AsReader();
var reader = new PropertiesBinaryReader(&readBuffer, writer.GetObjectTable());
object newObj = BoxedProperties.ReadBoxedClass(type, reader);
dstStore.SetManagedObject(dstArch, dstManagedArrayIndex, dstChunkCapacity, dstI, dstBaseIndex + i, newObj);
}
buffer.Dispose();
}
#endif
}
}
++srcI;
++dstI;
}
}
}
public static void CopyManagedObjects(
ManagedComponentStore srcStore, Archetype *srcArch, int srcManagedArrayIndex, int srcChunkCapacity, int srcStartIndex,
ManagedComponentStore dstStore, Archetype *dstArch, int dstManagedArrayIndex, int dstChunkCapacity, int dstStartIndex, int count)
{
var srcI = 0;
var dstI = 0;
while (srcI < srcArch->TypesCount && dstI < dstArch->TypesCount)
{
if (srcArch->Types[srcI] < dstArch->Types[dstI])
{
++srcI;
}
else if (srcArch->Types[srcI] > dstArch->Types[dstI])
{
++dstI;
}
else
{
if (srcArch->IsManaged(srcI))
{
var componentType = srcArch->Types[srcI];
var typeInfo = TypeManager.GetTypeInfo(componentType.TypeIndex);
if (typeInfo.Category == TypeManager.TypeCategory.Class)
{
// If we are dealing with a Class/GameObject types just perform a shallow copy
for (var i = 0; i < count; ++i)
{
var obj = srcStore.GetManagedObject(srcArch, srcManagedArrayIndex, srcChunkCapacity, srcI, srcStartIndex + i);
dstStore.SetManagedObject(dstArch, dstManagedArrayIndex, dstChunkCapacity, dstI, dstStartIndex + i, obj);
}
}
else
{
#if NET_DOTS
for (var i = 0; i < count; ++i)
{
var obj = srcStore.GetManagedObject(srcArch, srcManagedArrayIndex, srcChunkCapacity, srcI, srcStartIndex + i);
// Until DOTS Runtime supports Properties just perform a simple shallow copy
dstStore.SetManagedObject(dstArch, dstManagedArrayIndex, dstChunkCapacity, dstI, dstStartIndex + i, obj);
}
#else
var buffer = new UnsafeAppendBuffer(16, 16, Allocator.Temp);
for (var i = 0; i < count; ++i)
{
object newObj = null;
var obj = srcStore.GetManagedObject(srcArch, srcManagedArrayIndex, srcChunkCapacity, srcI, srcStartIndex + i);
if (obj != null)
{
// Unless we want to enforce managed components to implement an IDeepClonable interface
// we instead generate a binary stream of an object and then use that to instantiate our new deep copy
var writer = new PropertiesBinaryWriter(&buffer);
BoxedProperties.WriteBoxedType(obj, writer);
var readBuffer = buffer.AsReader();
var reader = new PropertiesBinaryReader(&readBuffer, writer.GetObjectTable());
var type = TypeManager.GetType(componentType.TypeIndex);
newObj = BoxedProperties.ReadBoxedClass(type, reader);
buffer.Reset();
}
dstStore.SetManagedObject(dstArch, dstManagedArrayIndex, dstChunkCapacity, dstI, dstStartIndex + i, newObj);
}
buffer.Dispose();
#endif
}
}
++srcI;
++dstI;
}
}
}