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Add better errors logging to BT nodes in case of issues

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This commit is contained in:
Wojtek Figat
2023-11-14 11:22:41 +01:00
parent 7c53b1e99a
commit e0de6744e2
2 changed files with 13 additions and 5 deletions
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16
Source/Engine/AI/BehaviorTree.cs
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@@ -95,12 +95,16 @@ namespace FlaxEngine
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public ref T GetState<T>(IntPtr memory) where T : struct
{
var ptr = IntPtr.Add(memory, _memoryOffset).ToPointer();
var handle = GCHandle.FromIntPtr(Unsafe.Read<IntPtr>(ptr));
var ptr = Unsafe.Read<IntPtr>(IntPtr.Add(memory, _memoryOffset).ToPointer());
#if !BUILD_RELEASE
if (ptr == IntPtr.Zero)
throw new Exception($"Missing state '{typeof(T).FullName}' for node '{GetType().FullName}'");
#endif
var handle = GCHandle.FromIntPtr(ptr);
var state = handle.Target;
#if !BUILD_RELEASE
if (state == null)
throw new NullReferenceException();
throw new Exception($"Missing state '{typeof(T).FullName}' for node '{GetType().FullName}'");
#endif
return ref Unsafe.Unbox<T>(state);
}
@@ -111,8 +115,10 @@ namespace FlaxEngine
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void FreeState(IntPtr memory)
{
var ptr = IntPtr.Add(memory, _memoryOffset).ToPointer();
var handle = GCHandle.FromIntPtr(Unsafe.Read<IntPtr>(ptr));
var ptr = Unsafe.Read<IntPtr>(IntPtr.Add(memory, _memoryOffset).ToPointer());
if (ptr == IntPtr.Zero)
return;
var handle = GCHandle.FromIntPtr(ptr);
handle.Free();
}
}

2
Source/Engine/AI/BehaviorTreeNodes.cpp
View File

@@ -85,6 +85,8 @@ BehaviorUpdateResult BehaviorTreeNode::InvokeUpdate(const BehaviorUpdateContext&
result = BehaviorUpdateResult::Failed;
else
result = Update(context);
if ((int32)result < 0 || (int32)result > (int32)BehaviorUpdateResult::Failed)
result = BehaviorUpdateResult::Failed; // Invalid value is a failure
// Post-process result from decorators
for (BehaviorTreeDecorator* decorator : _decorators)