static bool HandleVariable(GraphBuilder builder, out INode node,
out PortMapper portToOffsetMapping, out uint?preAllocatedDataIndex, IVariableModel variableModel)
{
if (variableModel.DeclarationModel.IsInputOrOutputTrigger())
{
preAllocatedDataIndex = null;
portToOffsetMapping = new PortMapper();
if (variableModel.DeclarationModel.Modifiers == ModifierFlags.ReadOnly) // Input
{
var trigger = builder.DeclareInputTrigger(variableModel.DeclarationModel.VariableName);
node = MapPort(portToOffsetMapping, variableModel.OutputPort, ref trigger.Output.Port, trigger);
}
else
{
var trigger = builder.DeclareOutputTrigger(variableModel.DeclarationModel.VariableName);
node = MapPort(portToOffsetMapping, variableModel.OutputPort, ref trigger.Input.Port, trigger);
}
return(true);
}
var valueType = variableModel.DeclarationModel.DataType.ToValueType();
var type = GraphBuilder.GetVariableType(variableModel.DeclarationModel);
switch (type)
{
case GraphBuilder.VariableType.ObjectReference:
switch (valueType)
{
case ValueType.Entity:
preAllocatedDataIndex = builder.GetVariableDataIndex(variableModel.DeclarationModel).DataIndex;
portToOffsetMapping = new PortMapper();
var cf = new ConstantEntity();
node = MapPort(portToOffsetMapping, variableModel.OutputPort, ref cf.ValuePort.Port, cf);
return(true);
}
break;
case GraphBuilder.VariableType.Variable: // Data
throw new NotImplementedException();
case GraphBuilder.VariableType.InputOutput:
// Just create an edge later
node = default;
portToOffsetMapping = null;
preAllocatedDataIndex = null;
return(false);
default:
throw new ArgumentOutOfRangeException("Variable type not supported: " + type);
}
throw new ArgumentOutOfRangeException(valueType.ToString());
}
static bool TranslateNode(GraphBuilder builder, INodeModel nodeModel, out INode node,
out PortMapper portToOffsetMapping, out uint?preAllocatedDataIndex)
{
Assert.IsNotNull(nodeModel);
preAllocatedDataIndex = null;
switch (nodeModel)
{
case SetVariableNodeModel setVariableNodeModel:
{
node = setVariableNodeModel.Node;
portToOffsetMapping = setVariableNodeModel.PortToOffsetMapping;
if (setVariableNodeModel.DeclarationModel == null)
{
return(false);
}
preAllocatedDataIndex = builder.GetVariableDataIndex(setVariableNodeModel.DeclarationModel).DataIndex;
return(true);
}
case IEventNodeModel eventNodeModel:
node = eventNodeModel.Node;
var type = eventNodeModel.TypeHandle.Resolve(nodeModel.VSGraphModel.Stencil);
((IEventNode)node).EventId = TypeHash.CalculateStableTypeHash(type);
if (node is IEventDispatcherNode eventDispatcherNode)
{
eventDispatcherNode.EventTypeSize = Marshal.SizeOf(type);
}
portToOffsetMapping = eventNodeModel.PortToOffsetMapping;
return(true);
case SubgraphReferenceNodeModel subgraphReferenceNodeModel:
node = subgraphReferenceNodeModel.Node;
portToOffsetMapping = subgraphReferenceNodeModel.PortToOffsetMapping;
return(true);
case IDotsNodeModel dotsNodeModel:
node = dotsNodeModel.Node;
portToOffsetMapping = dotsNodeModel.PortToOffsetMapping;
if (nodeModel is IReferenceComponentTypes referenceComponentTypes)
{
foreach (var typeReference in referenceComponentTypes.ReferencedTypes)
{
if (typeReference.TypeIndex != -1)
{
builder.AddReferencedComponent(typeReference);
}
}
}
return(true);
case IConstantNodeModel constantNodeModel:
HandleConstants(builder, out node, out portToOffsetMapping, constantNodeModel);
return(true);
case IVariableModel variableModel:
return(HandleVariable(builder, out node, out portToOffsetMapping,
out preAllocatedDataIndex, variableModel));
case ExpressionNodeModel exp:
return(exp.Translate(builder, out node, out portToOffsetMapping, out preAllocatedDataIndex));
default:
throw new NotImplementedException(
$"Don't know how to translate a node of type {nodeModel.GetType()}: {nodeModel}");
}
}
static void HandleConstants(GraphBuilder builder, out INode node, out PortMapper portToOffsetMapping,
IConstantNodeModel constantNodeModel)
{
portToOffsetMapping = new PortMapper();
var outputPortId = constantNodeModel.OutputPort?.UniqueId ?? "";
switch (constantNodeModel)
{
case StringConstantModel stringConstantModel:
{
var index = builder.StoreStringConstant(stringConstantModel.value ?? string.Empty);
var cf = new ConstantString {
Value = new StringReference(index, StringReference.Storage.Managed)
};
node = MapPort(portToOffsetMapping, outputPortId, Direction.Output, ref cf.ValuePort.Port, cf);
return;
}
case BooleanConstantNodeModel booleanConstantNodeModel:
{
var cf = new ConstantBool {
Value = booleanConstantNodeModel.value
};
node = MapPort(portToOffsetMapping, outputPortId, Direction.Output, ref cf.ValuePort.Port, cf);
return;
}
case IntConstantModel intConstantModel:
{
var cf = new ConstantInt {
Value = intConstantModel.value
};
node = MapPort(portToOffsetMapping, outputPortId, Direction.Output, ref cf.ValuePort.Port, cf);
return;
}
case FloatConstantModel floatConstantModel:
{
var cf = new ConstantFloat {
Value = floatConstantModel.value
};
node = MapPort(portToOffsetMapping, outputPortId, Direction.Output, ref cf.ValuePort.Port, cf);
return;
}
case Vector2ConstantModel vector2ConstantModel:
{
var cf = new ConstantFloat2 {
Value = vector2ConstantModel.value
};
node = MapPort(portToOffsetMapping, outputPortId, Direction.Output, ref cf.ValuePort.Port, cf);
return;
}
case Vector3ConstantModel vector3ConstantModel:
{
var cf = new ConstantFloat3 {
Value = vector3ConstantModel.value
};
node = MapPort(portToOffsetMapping, outputPortId, Direction.Output, ref cf.ValuePort.Port, cf);
return;
}
case Vector4ConstantModel vector4ConstantModel:
{
var cf = new ConstantFloat4 {
Value = vector4ConstantModel.value
};
node = MapPort(portToOffsetMapping, outputPortId, Direction.Output, ref cf.ValuePort.Port, cf);
return;
}
case QuaternionConstantModel quaternionConstantModel:
{
var cf = new ConstantQuaternion {
Value = quaternionConstantModel.value
};
node = MapPort(portToOffsetMapping, outputPortId, Direction.Output, ref cf.ValuePort.Port, cf);
return;
}
case ObjectConstantModel _:
{
throw new NotImplementedException(
"Conversion and all - either a prefab (might live in a graph) or a scene object (must be injected during runtime bootstrap)");
// portToOffsetMapping = new Dictionary<IPortModel, uint>();
// var cf = new ConstantEntity {Value = objectConstantModel.value};
// MapPort(portToOffsetMapping, objectConstantModel.OutputPort, ref cf.ValuePort.Port, nodeId);
// node = cf;
// return;
}
default:
throw new NotImplementedException();
}
}