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Add relevancy to Behavior Tree nodes

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This commit is contained in:
Wojtek Figat
2023-08-17 21:24:19 +02:00
parent 14ffd0aa08
commit 1e3e75cb99
6 changed files with 90 additions and 37 deletions
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28
Source/Engine/AI/BehaviorTreeNodes.cpp
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@@ -1,8 +1,32 @@
// Copyright (c) 2012-2023 Wojciech Figat. All rights reserved.
#include "BehaviorTreeNodes.h"
#include "BehaviorKnowledge.h"
#include "Engine/Serialization/Serialization.h"
BehaviorUpdateResult BehaviorTreeNode::InvokeUpdate(const BehaviorUpdateContext& context)
{
ASSERT_LOW_LAYER(_executionIndex != -1);
if (context.Knowledge->RelevantNodes.Get(_executionIndex) == false)
{
// Node becomes relevant so initialize it's state
context.Knowledge->RelevantNodes.Set(_executionIndex, true);
InitState(context.Behavior, context.Memory);
}
// Node-specific update
const BehaviorUpdateResult result = Update(context);
// Check if node is not relevant anymore
if (result != BehaviorUpdateResult::Running)
{
context.Knowledge->RelevantNodes.Set(_executionIndex, false);
ReleaseState(context.Behavior, context.Memory);
}
return result;
}
void BehaviorTreeNode::Serialize(SerializeStream& stream, const void* otherObj)
{
SerializableScriptingObject::Serialize(stream, otherObj);
@@ -31,7 +55,7 @@ BehaviorUpdateResult BehaviorTreeCompoundNode::Update(BehaviorUpdateContext cont
for (int32 i = 0; i < Children.Count() && result == BehaviorUpdateResult::Success; i++)
{
BehaviorTreeNode* child = Children[i];
result = child->Update(context);
result = child->InvokeUpdate(context);
}
return result;
}
@@ -56,7 +80,7 @@ BehaviorUpdateResult BehaviorTreeSequenceNode::Update(BehaviorUpdateContext cont
if (state->CurrentChildIndex == -1)
return BehaviorUpdateResult::Failed;
auto result = Children[state->CurrentChildIndex]->Update(context);
auto result = Children[state->CurrentChildIndex]->InvokeUpdate(context);
switch (result)
{