public void TestIntProperty()
{
var test = new TestClass();
var updateMemberInfo = new List<UpdateMemberInfo>
{
new UpdateMemberInfo("IntProperty", 0),
};
var blittableData = new TestData[] { 123 };
var objectData = new UpdateObjectData[0];
RunUpdateEngine(test, updateMemberInfo, blittableData, objectData);
Assert.That(test.IntProperty, Is.EqualTo(123));
}
public abstract void Evaluate(CompressedTimeSpan newTime, IntPtr data, UpdateObjectData[] objects);
/// <summary>
/// Updates the specified <see cref="target"/> object with new data.
/// </summary>
/// <param name="target">The object to update.</param>
/// <param name="compiledUpdate">The precompiled list of update operations, generated by <see cref="Compile"/>.</param>
/// <param name="updateData">The data source for blittable struct.</param>
/// <param name="updateObjects">The data source for objects and non-blittable struct</param>
public static void Run(object target, CompiledUpdate compiledUpdate, IntPtr updateData, UpdateObjectData[] updateObjects)
{
var operations = compiledUpdate.UpdateOperations;
var temporaryObjects = compiledUpdate.TemporaryObjects;
var stack = new Stack<UpdateStackEntry>();
// Current object being processed
object currentObj = target;
object nextObject;
// This object needs to be pinned since we will have a pointer to its memory
// Note that the stack don't need to have each of its object pinned since we store entries as object + offset
Interop.Pin(currentObj);
// pinned test (this will need to be on a stack somehow)
IntPtr currentPtr = UpdateEngineHelper.ObjectToPtr(currentObj);
var operationCount = operations.Length;
if (operationCount == 0)
return;
var operation = Interop.Pin(ref operations[0]);
for (int index = 0; index < operationCount; index++)
{
// Adjust offset
currentPtr += operation.AdjustOffset;
switch (operation.Type)
{
case UpdateOperationType.EnterObjectProperty:
{
nextObject = ((UpdatableProperty)operation.Member).GetObject(currentPtr);
if (nextObject == null && operation.SkipCountIfNull != -1)
{
index += operation.SkipCountIfNull;
operation = Interop.AddPinned(operation, operation.SkipCountIfNull);
break;
}
// Compute offset and push to stack
stack.Push(new UpdateStackEntry(
currentObj,
(int) ((byte*) currentPtr - (byte*) UpdateEngineHelper.ObjectToPtr(currentObj))
));
// Get object
currentObj = nextObject;
currentPtr = UpdateEngineHelper.ObjectToPtr(currentObj);
break;
}
case UpdateOperationType.EnterStructPropertyBase:
{
// Compute offset and push to stack
stack.Push(new UpdateStackEntry(
currentObj,
(int) ((byte*) currentPtr - (byte*) UpdateEngineHelper.ObjectToPtr(currentObj))
));
currentObj = temporaryObjects[operation.DataOffset];
currentPtr = ((UpdatablePropertyBase)operation.Member).GetStructAndUnbox(currentPtr, currentObj);
break;
}
case UpdateOperationType.EnterObjectField:
{
nextObject = ((UpdatableField)operation.Member).GetObject(currentPtr);
if (nextObject == null && operation.SkipCountIfNull != -1)
{
index += operation.SkipCountIfNull;
operation = Interop.AddPinned(operation, operation.SkipCountIfNull);
break;
}
// Compute offset and push to stack
stack.Push(new UpdateStackEntry(
currentObj,
(int) ((byte*) currentPtr - (byte*) UpdateEngineHelper.ObjectToPtr(currentObj))
));
// Get object
currentObj = nextObject;
currentPtr = UpdateEngineHelper.ObjectToPtr(currentObj);
break;
}
case UpdateOperationType.EnterObjectCustom:
{
nextObject = ((UpdatableCustomAccessor)operation.Member).GetObject(currentPtr);
if (nextObject == null && operation.SkipCountIfNull != -1)
{
index += operation.SkipCountIfNull;
operation = Interop.AddPinned(operation, operation.SkipCountIfNull);
break;
}
// Compute offset and push to stack
stack.Push(new UpdateStackEntry(
currentObj,
(int)((byte*)currentPtr - (byte*)UpdateEngineHelper.ObjectToPtr(currentObj))
));
// Get object
currentObj = nextObject;
currentPtr = UpdateEngineHelper.ObjectToPtr(currentObj);
break;
}
case UpdateOperationType.LeaveAndCopyStructPropertyBase:
{
// Save back struct pointer
var oldPtr = currentPtr;
// Restore currentObj and currentPtr from stack
var stackEntry = stack.Pop();
currentObj = stackEntry.Object;
currentPtr = UpdateEngineHelper.ObjectToPtr(currentObj) + stackEntry.Offset;
// Use setter to set back struct
((UpdatablePropertyBase)operation.Member).SetBlittable(currentPtr, oldPtr);
break;
}
case UpdateOperationType.Leave:
{
// Restore currentObj and currentPtr from stack
var stackEntry = stack.Pop();
currentObj = stackEntry.Object;
currentPtr = UpdateEngineHelper.ObjectToPtr(currentObj) + stackEntry.Offset;
break;
}
case UpdateOperationType.ConditionalSetObjectProperty:
{
var updateObject = updateObjects[operation.DataOffset];
if (updateObject.Condition != 0) // 0 is 0.0f in float
((UpdatableProperty)operation.Member).SetObject(currentPtr, updateObject.Value);
break;
}
case UpdateOperationType.ConditionalSetBlittablePropertyBase:
{
// TODO: This case can happen quite often (i.e. a float property) and require an extra indirection
// We could probably avoid it by having common types as non virtual methods (i.e. object, int, float, maybe even Vector3/4?)
var data = (int*)((byte*)updateData + operation.DataOffset);
if (*data++ != 0) // 0 is 0.0f in float
((UpdatablePropertyBase)operation.Member).SetBlittable(currentPtr, (IntPtr)data);
break;
}
case UpdateOperationType.ConditionalSetStructPropertyBase:
{
// TODO: This case can happen quite often (i.e. a float property) and require an extra indirection
// We could probably avoid it by having common types as non virtual methods (i.e. object, int, float, maybe even Vector3/4?)
var updateObject = updateObjects[operation.DataOffset];
if (updateObject.Condition != 0) // 0 is 0.0f in float
((UpdatablePropertyBase)operation.Member).SetStruct(currentPtr, updateObject.Value);
break;
}
case UpdateOperationType.ConditionalSetObjectField:
{
var updateObject = updateObjects[operation.DataOffset];
if (updateObject.Condition != 0) // 0 is 0.0f in float
((UpdatableField)operation.Member).SetObject(currentPtr, updateObject.Value);
break;
}
case UpdateOperationType.ConditionalSetBlittableField:
{
var data = (int*)((byte*)updateData + operation.DataOffset);
if (*data++ != 0) // 0 is 0.0f in float
((UpdatableField)operation.Member).SetBlittable(currentPtr, (IntPtr)data);
break;
}
case UpdateOperationType.ConditionalSetBlittableField4:
{
var data = (int*)((byte*)updateData + operation.DataOffset);
if (*data++ != 0) // 0 is 0.0f in float
{
*(int*)currentPtr = *data;
}
break;
}
case UpdateOperationType.ConditionalSetBlittableField8:
{
var data = (int*)((byte*)updateData + operation.DataOffset);
if (*data++ != 0) // 0 is 0.0f in float
{
*(Blittable8*)currentPtr = *(Blittable8*)data;
}
break;
}
case UpdateOperationType.ConditionalSetBlittableField12:
{
var data = (int*)((byte*)updateData + operation.DataOffset);
if (*data++ != 0) // 0 is 0.0f in float
{
*(Blittable12*)currentPtr = *(Blittable12*)data;
}
break;
}
case UpdateOperationType.ConditionalSetBlittableField16:
{
var data = (int*)((byte*)updateData + operation.DataOffset);
if (*data++ != 0) // 0 is 0.0f in float
{
*(Blittable16*)currentPtr = *(Blittable16*)data;
}
break;
}
case UpdateOperationType.ConditionalSetStructField:
{
// Use setter to set back struct
var updateObject = updateObjects[operation.DataOffset];
if (updateObject.Condition != 0) // 0 is 0.0f in float
((UpdatableField)operation.Member).SetStruct(currentPtr, updateObject.Value);
break;
}
case UpdateOperationType.ConditionalSetObjectCustom:
{
var updateObject = updateObjects[operation.DataOffset];
if (updateObject.Condition != 0) // 0 is 0.0f in float
((UpdatableCustomAccessor)operation.Member).SetObject(currentPtr, updateObject.Value);
break;
}
default:
throw new ArgumentOutOfRangeException();
}
operation = Interop.IncrementPinned(operation);
}
}
public void TestCastQualifiedName()
{
var test = new TestClass()
{
ObjectField = new TestClass(),
ObjectProperty = new TestClass(),
};
var updateMemberInfo = new List<UpdateMemberInfo>
{
new UpdateMemberInfo("ObjectField.(SiliconStudio.Xenko.Engine.Tests.TestClass,SiliconStudio.Xenko.Engine.Tests).IntField", 0),
new UpdateMemberInfo("ObjectProperty.(SiliconStudio.Xenko.Engine.Tests.TestClass,SiliconStudio.Xenko.Engine.Tests).IntField", 8),
};
var blittableData = new TestData[] { 123, 456 };
var objectData = new UpdateObjectData[0];
RunUpdateEngine(test, updateMemberInfo, blittableData, objectData);
Assert.That(((TestClass)test.ObjectField).IntField, Is.EqualTo(123));
Assert.That(((TestClass)test.ObjectProperty).IntField, Is.EqualTo(456));
}
private static unsafe void RunUpdateEngine(TestClass test, List<UpdateMemberInfo> updateMemberInfo, TestData[] blittableData, UpdateObjectData[] objectData)
{
var compiledUpdate = UpdateEngine.Compile(test.GetType(), updateMemberInfo);
fixed (TestData* dataPtr = blittableData)
{
UpdateEngine.Run(test, compiledUpdate, (IntPtr)dataPtr, objectData);
}
}
public void TestBlittableStruct()
{
var test = new TestClass();
var updateMemberInfo = new List<UpdateMemberInfo>
{
new UpdateMemberInfo("BlittableStructField.IntField", 0),
new UpdateMemberInfo("BlittableStructField.IntProperty", 8),
new UpdateMemberInfo("BlittableStructProperty.IntField", 0),
new UpdateMemberInfo("BlittableStructProperty.IntProperty", 8),
};
var blittableData = new TestData[] { 123, 456 };
var objectData = new UpdateObjectData[0];
RunUpdateEngine(test, updateMemberInfo, blittableData, objectData);
Assert.That(test.BlittableStructField.IntField, Is.EqualTo(123));
Assert.That(test.BlittableStructField.IntProperty, Is.EqualTo(456));
Assert.That(test.BlittableStructProperty.IntField, Is.EqualTo(123));
Assert.That(test.BlittableStructProperty.IntProperty, Is.EqualTo(456));
}
public void TestIntList()
{
var test = new TestClass();
var updateMemberInfo = new List<UpdateMemberInfo>
{
new UpdateMemberInfo("IntList[0]", 0),
new UpdateMemberInfo("IntList[2]", 0),
new UpdateMemberInfo("IntList[3]", 8),
};
var blittableData = new TestData[] { 123, 456 };
var objectData = new UpdateObjectData[0];
RunUpdateEngine(test, updateMemberInfo, blittableData, objectData);
Assert.That(test.IntList[0], Is.EqualTo(123));
Assert.That(test.IntList[1], Is.EqualTo(0));
Assert.That(test.IntList[2], Is.EqualTo(123));
Assert.That(test.IntList[3], Is.EqualTo(456));
}