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Add **Any State to Anim Graph state machines**

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This commit is contained in:
Wojtek Figat
2023-04-24 20:20:27 +02:00
parent 65e477cfd0
commit 7158cfb5bf
7 changed files with 507 additions and 375 deletions
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182
Source/Engine/Animations/Graph/AnimGraph.Base.cpp
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@@ -180,8 +180,6 @@ bool AnimGraphBase::onNodeLoaded(Node* n)
const Float4 range = n->Values[0].AsFloat4();
for (int32 i = 0; i < ANIM_GRAPH_MULTI_BLEND_MAX_ANIMS; i++)
{
auto data0 = n->Values[i * 2 + 4].AsFloat4();
data0.X = Math::Clamp(data0.X, range.X, range.Y);
n->Assets[i] = Content::LoadAsync<Animation>((Guid)n->Values[i * 2 + 5]);
n->Data.MultiBlend1D.IndicesSorted[i] = n->Assets[i] ? i : ANIM_GRAPH_MULTI_BLEND_MAX_ANIMS;
}
@@ -200,9 +198,6 @@ bool AnimGraphBase::onNodeLoaded(Node* n)
const Float4 range = n->Values[0].AsFloat4();
for (int32 i = 0; i < ANIM_GRAPH_MULTI_BLEND_MAX_ANIMS; i++)
{
auto data0 = n->Values[i * 2 + 4].AsFloat4();
data0.X = Math::Clamp(data0.X, range.X, range.Y);
data0.Y = Math::Clamp(data0.Y, range.Z, range.W);
n->Assets[i] = (Asset*)Content::LoadAsync<Animation>((Guid)n->Values[i * 2 + 5]);
if (n->Assets[i])
{
@@ -283,91 +278,11 @@ bool AnimGraphBase::onNodeLoaded(Node* n)
Value& surfaceData = n->Values[1];
data.Graph = LoadSubGraph(surfaceData.AsBlob.Data, surfaceData.AsBlob.Length, (const Char*)name.AsBlob.Data);
// Initialize transitions
Value& transitionsData = n->Values[2];
int32 validTransitions = 0;
if (transitionsData.Type == VariantType::Blob && transitionsData.AsBlob.Length)
{
MemoryReadStream stream((byte*)transitionsData.AsBlob.Data, transitionsData.AsBlob.Length);
int32 version;
stream.ReadInt32(&version);
if (version != 1)
{
LOG(Warning, "Invalid version of the Anim Graph state transitions data.");
return true;
}
int32 transitionsCount;
stream.ReadInt32(&transitionsCount);
StateTransitions.EnsureCapacity(StateTransitions.Count() + transitionsCount);
AnimGraphStateTransition transition;
for (int32 i = 0; i < transitionsCount; i++)
{
struct Data
{
int32 Destination;
int32 Flags;
int32 Order;
float BlendDuration;
int32 BlendMode;
int32 Unused0;
int32 Unused1;
int32 Unused2;
};
Data transitionData;
stream.ReadBytes(&transitionData, sizeof(transitionData));
transition.Flags = (AnimGraphStateTransition::FlagTypes)transitionData.Flags;
transition.BlendDuration = transitionData.BlendDuration;
transition.BlendMode = (AlphaBlendMode)transitionData.BlendMode;
transition.Destination = GetNode(transitionData.Destination);
transition.RuleGraph = nullptr;
int32 ruleSize;
stream.ReadInt32(&ruleSize);
const auto ruleBytes = (byte*)stream.Move(ruleSize);
if (static_cast<int32>(transition.Flags & AnimGraphStateTransition::FlagTypes::Enabled) == 0)
{
// Skip disabled transitions
continue;
}
if (ruleSize != 0)
{
transition.RuleGraph = LoadSubGraph(ruleBytes, ruleSize, TEXT("Rule"));
if (transition.RuleGraph && transition.RuleGraph->GetRootNode() == nullptr)
{
LOG(Warning, "Missing root node for the state machine transition rule graph.");
continue;
}
}
if (transition.Destination == nullptr)
{
LOG(Warning, "Missing target node for the state machine transition.");
continue;
}
if (validTransitions == ANIM_GRAPH_MAX_STATE_TRANSITIONS)
{
LOG(Warning, "State uses too many transitions.");
continue;
}
data.Transitions[validTransitions++] = (uint16)StateTransitions.Count();
StateTransitions.Add(transition);
}
}
if (validTransitions != ANIM_GRAPH_MAX_STATE_TRANSITIONS)
data.Transitions[validTransitions] = AnimGraphNode::StateData::InvalidTransitionIndex;
// Release data to don't use that memory
surfaceData = Value::Null;
transitionsData = Value::Null;
// Initialize transitions
LoadStateTransitions(data, n->Values[2]);
break;
}
@@ -443,6 +358,10 @@ bool AnimGraphBase::onNodeLoaded(Node* n)
case 33:
ADD_BUCKET(InstanceDataBucketInit);
break;
// Any State
case 34:
LoadStateTransitions(n->Data.AnyState, n->Values[0]);
break;
}
break;
// Custom
@@ -465,4 +384,91 @@ bool AnimGraphBase::onNodeLoaded(Node* n)
return VisjectGraph::onNodeLoaded(n);
}
void AnimGraphBase::LoadStateTransitions(AnimGraphNode::StateBaseData& data, Value& transitionsData)
{
int32 validTransitions = 0;
if (transitionsData.Type == VariantType::Blob && transitionsData.AsBlob.Length)
{
MemoryReadStream stream((byte*)transitionsData.AsBlob.Data, transitionsData.AsBlob.Length);
int32 version;
stream.ReadInt32(&version);
if (version != 1)
{
LOG(Warning, "Invalid version of the Anim Graph state transitions data.");
return;
}
int32 transitionsCount;
stream.ReadInt32(&transitionsCount);
StateTransitions.EnsureCapacity(StateTransitions.Count() + transitionsCount);
AnimGraphStateTransition transition;
for (int32 i = 0; i < transitionsCount; i++)
{
// Must match StateMachineTransition.Data in C#
struct Data
{
int32 Destination;
int32 Flags;
int32 Order;
float BlendDuration;
int32 BlendMode;
int32 Unused0;
int32 Unused1;
int32 Unused2;
};
Data transitionData;
stream.ReadBytes(&transitionData, sizeof(transitionData));
transition.Flags = (AnimGraphStateTransition::FlagTypes)transitionData.Flags;
transition.BlendDuration = transitionData.BlendDuration;
transition.BlendMode = (AlphaBlendMode)transitionData.BlendMode;
transition.Destination = GetNode(transitionData.Destination);
transition.RuleGraph = nullptr;
int32 ruleSize;
stream.ReadInt32(&ruleSize);
const auto ruleBytes = (byte*)stream.Move(ruleSize);
if (static_cast<int32>(transition.Flags & AnimGraphStateTransition::FlagTypes::Enabled) == 0)
{
// Skip disabled transitions
continue;
}
if (ruleSize != 0)
{
transition.RuleGraph = LoadSubGraph(ruleBytes, ruleSize, TEXT("Rule"));
if (transition.RuleGraph && transition.RuleGraph->GetRootNode() == nullptr)
{
LOG(Warning, "Missing root node for the state machine transition rule graph.");
continue;
}
}
if (transition.Destination == nullptr)
{
LOG(Warning, "Missing target node for the state machine transition.");
continue;
}
if (validTransitions == ANIM_GRAPH_MAX_STATE_TRANSITIONS)
{
LOG(Warning, "State uses too many transitions.");
continue;
}
data.Transitions[validTransitions++] = (uint16)StateTransitions.Count();
StateTransitions.Add(transition);
}
}
if (validTransitions != ANIM_GRAPH_MAX_STATE_TRANSITIONS)
data.Transitions[validTransitions] = AnimGraphNode::StateData::InvalidTransitionIndex;
// Release data to don't use that memory
transitionsData = AnimGraphExecutor::Value::Null;
}
#undef ADD_BUCKET