gate definitions refactoring
This commit is contained in:
klemek
@@ -4,118 +4,124 @@ using System.Linq;
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namespace UntitledLogicGame.Workspace.Gates
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{
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public abstract class GateDefinition
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{
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private static Dictionary<GateType, GateDefinition> Definitions;
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internal static Dictionary<InputState, OutputState> EmptyTruthTable = new Dictionary<InputState, OutputState>();
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public abstract string[] Inputs { get; }
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public abstract string[] Outputs { get; }
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internal abstract Dictionary<InputState, OutputState> TruthTable { get; }
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public string Name { get; internal set; }
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public bool HasState => false;
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public GateDefinition New => (GateDefinition)GetType().GetConstructor(new Type[0]).Invoke(new object[0]);
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public abstract class GateDefinition
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{
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// Static properties
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private static Dictionary<GateType, GateDefinition> Definitions;
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private static void LoadAll()
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{
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Definitions = new Dictionary<GateType, GateDefinition>();
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foreach (var gateType in Enum.GetValues(typeof(GateType)).Cast<GateType>())
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{
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try
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{
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var t = Type.GetType($"{typeof(GateDefinition).Namespace}.{gateType}Gate", true);
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Definitions[gateType] = (GateDefinition)t.GetConstructor(new Type[0]).Invoke(new object[0]);
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Definitions[gateType].Name = gateType.ToString();
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}
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catch
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{
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Definitions[gateType] = (GateDefinition)typeof(NoneGate).GetConstructor(new Type[0]).Invoke(new object[0]);
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Definitions[gateType].Name = gateType.ToString();
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}
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}
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}
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// Public properties
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public string Name { get; internal set; }
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public bool HasState => false;
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public Dictionary<InputState, OutputState> TruthTable { get; private set; } = new Dictionary<InputState, OutputState>();
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public static GateDefinition Get(GateType gateType, Gate gate)
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{
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if (Definitions == null)
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LoadAll();
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// Herited properties
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public abstract string[] Inputs { get; }
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public abstract string[] Outputs { get; }
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internal abstract Func<InputState, OutputState> Function { get; }
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var definition = Definitions[gateType];
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// Private properties
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private GateDefinition New => (GateDefinition)GetType().GetConstructor(new Type[0]).Invoke(new object[0]);
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foreach (var inputName in definition.Inputs)
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{
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if(!gate.InputAnchors.Any(a => a.Name.Equals(inputName)))
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throw new InvalidOperationException($"Gate has no {inputName} input anchor");
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}
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private static void LoadAll()
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{
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Definitions = new Dictionary<GateType, GateDefinition>();
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foreach (var gateType in Enum.GetValues(typeof(GateType)).Cast<GateType>())
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{
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try
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{
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var t = Type.GetType($"{typeof(GateDefinition).Namespace}.{gateType}Gate", true);
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Definitions[gateType] = (GateDefinition)t.GetConstructor(new Type[0]).Invoke(new object[0]);
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Definitions[gateType].Name = gateType.ToString();
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}
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catch
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{
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Definitions[gateType] = (GateDefinition)typeof(NoneGate).GetConstructor(new Type[0]).Invoke(new object[0]);
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Definitions[gateType].Name = gateType.ToString();
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}
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}
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}
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foreach (var outputName in definition.Outputs)
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{
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if (!gate.OutputAnchors.Any(a => a.Name.Equals(outputName)))
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throw new InvalidOperationException($"Gate has no {outputName} output anchor");
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}
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public static GateDefinition Get(GateType gateType, Gate gate)
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{
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if (Definitions == null)
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LoadAll();
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if (definition.HasState)
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return definition.New;
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else
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return definition;
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}
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var definition = Definitions[gateType];
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internal GateDefinition()
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{
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if (!HasState)
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{
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if (TruthTable.Count > 0)
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{
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foreach (var key in TruthTable.Keys)
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{
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if (key.Length != Inputs.Length)
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throw new InvalidOperationException($"{GetType()} invalid inputs ({key})");
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}
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if (Inputs.Length != 0)
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{
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foreach (var key in Utils.AllBoolArrayValues(Inputs.Length).Select(b => new InputState(b)))
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{
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if (!TruthTable.Keys.Contains(key))
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throw new InvalidOperationException($"{GetType()} no outputs for ({key})");
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var values = TruthTable[key];
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if (values.Length != Outputs.Length)
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throw new InvalidOperationException($"{GetType()} invalid outputs for ({key})");
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}
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}
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}
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}
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else
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{
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// Only test basic value
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var sample = new InputState(Inputs.Length);
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var output = Compute(sample);
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if(output.Length != Outputs.Length)
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throw new InvalidOperationException($"{GetType()} invalid outputs for sample ({sample})");
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}
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}
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foreach (var inputName in definition.Inputs)
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{
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if (!gate.InputAnchors.Any(a => a.Name.Equals(inputName)))
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throw new InvalidOperationException($"Gate has no {inputName} input anchor");
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}
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public bool[] GetState(Gate gate)
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{
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return Inputs.Select(i => gate.InputAnchors.First(a => a.Name.Equals(i)).Activated).ToArray();
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}
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foreach (var outputName in definition.Outputs)
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{
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if (!gate.OutputAnchors.Any(a => a.Name.Equals(outputName)))
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throw new InvalidOperationException($"Gate has no {outputName} output anchor");
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}
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public void Compute(Gate gate)
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{
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var input = new InputState(GetState(gate));
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var output = Compute(input);
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foreach (var outputAnchor in Outputs.Select((name, i) => new { i, name }))
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gate.OutputAnchors.First(a => a.Name.Equals(outputAnchor.name)).Activated = output[outputAnchor.i];
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}
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if (definition.HasState)
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return definition.New;
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else
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return definition;
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}
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internal OutputState Compute(InputState input)
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{
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if (TruthTable.Count > 0)
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{
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return TruthTable[input];
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}
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else
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{
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return new OutputState(0);
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}
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}
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}
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internal GateDefinition()
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{
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if (!HasState)
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{
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CreateTruthTable(Function);
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if (TruthTable.Count > 0)
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{
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foreach (var key in TruthTable.Keys)
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{
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if (key.Length != Inputs.Length)
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throw new InvalidOperationException($"{GetType()} invalid inputs ({key})");
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}
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if (Inputs.Length != 0)
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{
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foreach (var key in Utils.AllBoolArrayValues(Inputs.Length).Select(b => new InputState(b)))
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{
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if (!TruthTable.Keys.Contains(key))
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throw new InvalidOperationException($"{GetType()} no outputs for ({key})");
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var values = TruthTable[key];
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if (values.Length != Outputs.Length)
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throw new InvalidOperationException($"{GetType()} invalid outputs for ({key})");
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}
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}
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}
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}
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else
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{
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// Only test basic value
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var sample = new InputState(Inputs.Length);
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var output = Function(sample);
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if (output.Length != Outputs.Length)
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throw new InvalidOperationException($"{GetType()} invalid outputs for sample ({sample})");
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}
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}
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public bool[] GetState(Gate gate)
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{
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return Inputs.Select(i => gate.InputAnchors.First(a => a.Name.Equals(i)).Activated).ToArray();
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}
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public void Compute(Gate gate)
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{
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var input = new InputState(GetState(gate));
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var output = HasState ? Function(input) : (TruthTable.Count > 0 ? TruthTable[input] : new OutputState(0));
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foreach (var outputAnchor in Outputs.Select((name, i) => new { i, name }))
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gate.OutputAnchors.First(a => a.Name.Equals(outputAnchor.name)).Activated = output[outputAnchor.i];
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}
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private void CreateTruthTable(Func<InputState, OutputState> function)
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{
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TruthTable = Utils.AllBoolArrayValues(Inputs.Length).ToDictionary(key => new InputState(key), key => function(new InputState(key)));
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}
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}
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internal abstract class StateGateDefinition : GateDefinition
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{
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public new bool HasState => true;
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}
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}
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