wehub-resource-sync
98 lines
3.1 KiB
C#
98 lines
3.1 KiB
C#
namespace Lib.flow.context;
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[Guid("a3700115-a15b-493a-8a07-dab16b4ee0af")]
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public class GetMatrixVar : Instance<GetMatrixVar>
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, ICustomDropdownHolder, IStatusProvider
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{
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[Output(Guid = "1EEAB949-C741-4ABE-A5AA-BE0819097CDA", DirtyFlagTrigger = DirtyFlagTrigger.Animated)]
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public readonly Slot<Vector4[]> Result = new();
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public GetMatrixVar()
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{
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Result.UpdateAction = Update;
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}
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private void Update(EvaluationContext context)
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{
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if (VariableName.DirtyFlag.IsDirty)
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{
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_contextVariableNames = context.ObjectVariables
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.Where(k => k.Value is Vector4[])
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.Select(k => k.Key)
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.ToList();
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}
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var variableName = VariableName.GetValue(context);
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if (context.ObjectVariables.TryGetValue(variableName, out var currentValue))
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{
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if (currentValue is Vector4[] vector4Array)
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{
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Result.Value = vector4Array;
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_statusMessage = string.Empty;
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}
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else
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{
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_statusMessage = $"Can't cast {variableName} to Vector4[]";
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Result.Value = _identity;
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}
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}
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else
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{
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Result.Value = _identity;
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_statusMessage = $"Can't read undefined Vector4[] {variableName}.";
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}
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}
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[Input(Guid = "6ff40ed6-68d9-46b8-aaf3-d4276bedfd81")]
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public readonly InputSlot<string> VariableName = new();
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#region ICustomDropdownHolder
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string ICustomDropdownHolder.GetValueForInput(Guid inputId)
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{
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return VariableName.Value;
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}
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IEnumerable<string> ICustomDropdownHolder.GetOptionsForInput(Guid inputId)
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{
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if (inputId != VariableName.Input.InputDefinition.Id)
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{
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Log.Warning("Unexpected input id {inputId} in GetOptionsForInput", inputId);
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return new List<string>();
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}
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// Update the list of available variables when dropdown is shown
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VariableName.DirtyFlag.Invalidate();
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return _contextVariableNames;
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}
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void ICustomDropdownHolder.HandleResultForInput(Guid inputId, string selected, bool isAListItem)
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{
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if (inputId != VariableName.Input.InputDefinition.Id)
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{
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Log.Warning("Unexpected input id {inputId} in HandleResultForInput", inputId);
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return;
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}
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VariableName.SetTypedInputValue(selected);
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}
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private List<string> _contextVariableNames = new();
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#endregion
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#region status provider
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IStatusProvider.StatusLevel IStatusProvider.GetStatusLevel() =>
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string.IsNullOrEmpty(_statusMessage) ? IStatusProvider.StatusLevel.Success : IStatusProvider.StatusLevel.Warning;
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string IStatusProvider.GetStatusMessage() => _statusMessage;
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private string _statusMessage = string.Empty;
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#endregion
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private static readonly Vector4[] _identity =
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{
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new(1, 0, 0, 0),
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new(0, 1, 0, 0),
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new(0, 0, 1, 0),
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new(0, 0, 0, 1)
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};
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} |