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Add Decorators support to BT graph

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This commit is contained in:
Wojtek Figat
2023-08-24 13:05:54 +02:00
parent 0c206564be
commit 69ab69c5cc
7 changed files with 566 additions and 121 deletions
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23
Source/Engine/AI/BehaviorTree.cpp
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@@ -65,7 +65,7 @@ void BehaviorTreeGraph::Clear()
bool BehaviorTreeGraph::onNodeLoaded(Node* n)
{
if (n->GroupID == 19 && (n->TypeID == 1 || n->TypeID == 2))
if (n->GroupID == 19 && (n->TypeID == 1 || n->TypeID == 2 || n->TypeID == 3))
{
// Create node instance object
ScriptingTypeHandle type = Scripting::FindScriptingType((StringAnsiView)n->Values[0]);
@@ -102,6 +102,26 @@ void BehaviorTreeGraph::LoadRecursive(Node& node)
NodesStatesSize += node.Instance->GetStateSize();
NodesCount++;
if (node.TypeID == 1 && node.Values.Count() >= 3)
{
// Load node decorators
const auto& decoratorIds = node.Values[2];
if (decoratorIds.Type.Type == VariantType::Blob && decoratorIds.AsBlob.Length)
{
const Span<uint32> ids((uint32*)decoratorIds.AsBlob.Data, decoratorIds.AsBlob.Length / sizeof(uint32));
for (int32 i = 0; i < ids.Length(); i++)
{
Node* decorator = GetNode(ids[i]);
if (decorator && decorator->Instance)
{
ASSERT_LOW_LAYER(decorator->Instance->Is<BehaviorTreeDecorator>());
node.Instance->_decorators.Add((BehaviorTreeDecorator*)decorator->Instance);
decorator->Instance->_parent = node.Instance;
LoadRecursive(*decorator);
}
}
}
}
if (auto* nodeCompound = ScriptingObject::Cast<BehaviorTreeCompoundNode>(node.Instance))
{
auto& children = node.Boxes[1].Connections;
@@ -116,6 +136,7 @@ void BehaviorTreeGraph::LoadRecursive(Node& node)
if (child && child->Instance)
{
nodeCompound->Children.Add(child->Instance);
child->Instance->_parent = nodeCompound;
LoadRecursive(*child);
}
}