/// <summary>
/// Returns the code for a specific algorithm.
/// </summary>
/// <returns>The algorithm code.</returns>
/// <param name="algorithmType">Algorithm type.</param>
public static MethodDeclaration GetAlgorithmCode(Type algorithmType, out AstBuilder astBuilder)
{
// Load Tychaia.ProceduralGeneration into Mono.Cecil.
var module = AssemblyDefinition.ReadAssembly("Tychaia.ProceduralGeneration.dll").MainModule;
// Now we have a reference to the method we want to decompile.
TypeDefinition cecilType;
MethodDefinition processCell;
DecompileUtil.FindProcessCell(module, algorithmType, out processCell, out cecilType);
var decompilerSettings = new DecompilerSettings();
astBuilder = new AstBuilder(new DecompilerContext(module)
{
CurrentType = cecilType, Settings = decompilerSettings
});
astBuilder.AddMethod(processCell);
astBuilder.RunTransformations();
astBuilder.CompilationUnit.AcceptVisitor(new InsertParenthesesVisitor {
InsertParenthesesForReadability = true
});
// Return.
return(astBuilder.CompilationUnit.Members.Where(v => v is MethodDeclaration).Cast <MethodDeclaration>().First());
}
private static ProcessedResult CompileRuntimeLayer(RuntimeLayer layer, RangedLayer ranged, IAlgorithm parent)
{
// Create our own processed result; a copy of our own state plus
// somewhere to accumulate code.
var result = new ProcessedResult();
result.ProcessedCode = "";
// Get a reference to the algorithm that the runtime layer is using.
var algorithm = layer.Algorithm;
if (algorithm == null)
{
throw new InvalidOperationException("Attempted to compile null runtime layer!");
}
var algorithmType = algorithm.GetType();
// If the runtime layer has inputs, we need to process them first.
if (layer.Algorithm.InputTypes.Length > 0)
{
var inputs = layer.GetInputs();
result.InputVariableNames = new string[inputs.Length];
for (var i = 0; i < inputs.Length; i++)
{
var inputResult = CompileRuntimeLayer(inputs[i], ranged.Inputs[i], layer.Algorithm);
result.ProcessedCode += inputResult.ProcessedCode;
result.InputVariableNames[i] = inputResult.OutputVariableName;
result.Declarations += inputResult.Declarations;
}
}
// Create the storage array.
result.OutputVariableName = GenerateRandomIdentifier();
result.OutputVariableType = algorithm.OutputType.FullName;
result.Declarations += result.OutputVariableType + "[] " + result.OutputVariableName +
" = new " + result.OutputVariableType + "[__cwidth * __cheight * __cdepth];\n";
Console.WriteLine(ranged.ToString());
// Add the conditional container.
string code = "if (k >= (int)((" + ranged.Z.GetText(null) + ") - z) && i >= (int)((" + ranged.X.GetText(null) + ") - x) && j >= (int)((" + ranged.Y.GetText(null) + ") - y)" +
" && k < " + ranged.OuterZ.GetText(null) + " && i < " + ranged.OuterX.GetText(null) + " && j < " + ranged.OuterY.GetText(null) + @")
{
";
/*result.Declarations += "Console.WriteLine(\"COMPILED: \" + " +
* "" + ranged.X + " + \" \" + " +
* "" + ranged.Y + " + \" \" + " +
* "" + ranged.Z + " + \" \" + " +
* "" + ranged.Width + " + \" \" + " +
* "" + ranged.Height + " + \" \" + " +
* "" + ranged.Depth + ");";*/
// Refactor the method.
AstBuilder astBuilder;
var method = DecompileUtil.GetAlgorithmCode(algorithmType, out astBuilder);
AlgorithmRefactorer.InlineMethod(algorithm, method, result.OutputVariableName, result.InputVariableNames,
"__cx", "__cy", "__cz",
"__cwidth", "__cheight", "__cdepth");
AlgorithmRefactorer.RemoveUsingStatements(astBuilder.CompilationUnit, result.UsingStatements);
code += method.Body.GetText();
// Terminate the conditional container and return.
code += "computations += 1;";
code += "}\n";
result.ProcessedCode += code;
return(result);
}
