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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoPlainText>It seems like such a simple set of code now ... but when I was banging my head trying to get it to work, well, that is a different story.<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>This function is called after FastCAD (the engine under the hood of profantasy’s Campaign Cartographer 3) runs a method that asks the user for a script file (PythonCmd). FastCAD places the name of the file in txtFileName as a char[].<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>All the SetVariables setup C++/cli classes that I use to expose FastCADs API. From here I work through delegates so that I never have to discover functions in IronPython. I could not figure out how to do that in C++/cli 3.5. It seems easy in 4.0 with the dynamic type, but Campaign Cartographer 3s installer currently only loads the C++ 3.5 runtimes. <o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>///////////////////////////////////////////////////////////////////////<o:p></o:p></p><p class=MsoPlainText>void XPCALL PythonCmd2(int Result, int Result1, int Result2) {<o:p></o:p></p><p class=MsoPlainText> if(Result==X_OK)<o:p></o:p></p><p class=MsoPlainText> {<o:p></o:p></p><p class=MsoPlainText> try<o:p></o:p></p><p class=MsoPlainText> {<o:p></o:p></p><p class=MsoPlainText> String^ filename = gcnew String(txtFileName);<o:p></o:p></p><p class=MsoPlainText> String^ path = Assembly::GetExecutingAssembly()->Location;<o:p></o:p></p><p class=MsoPlainText> ScriptEngine^ engine = Python::CreateEngine();<o:p></o:p></p><p class=MsoPlainText> ScriptScope^ scope = engine->CreateScope();<o:p></o:p></p><p class=MsoPlainText> ScriptSource^ source = engine->CreateScriptSourceFromFile(String::Concat(Path::GetDirectoryName(path), "<a href="file:///\\scripts\">\\scripts\\</a>", filename + ".py"));<o:p></o:p></p><p class=MsoPlainText> <o:p></o:p></p><p class=MsoPlainText> scope->SetVariable("DrawingList", DynamicHelpers::GetPythonTypeFromType(AddIn::DrawingList::typeid));<o:p></o:p></p><p class=MsoPlainText> scope->SetVariable("DrawingElement", DynamicHelpers::GetPythonTypeFromType(AddIn::DrawingElement::typeid));<o:p></o:p></p><p class=MsoPlainText> scope->SetVariable("DrawingPath", DynamicHelpers::GetPythonTypeFromType(AddIn::DrawingPath::typeid));<o:p></o:p></p><p class=MsoPlainText> scope->SetVariable("Node", DynamicHelpers::GetPythonTypeFromType(AddIn::Node::typeid));<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText> source->Execute(scope);<o:p></o:p></p><p class=MsoPlainText> }<o:p></o:p></p><p class=MsoPlainText> catch(Exception ^e)<o:p></o:p></p><p class=MsoPlainText> {<o:p></o:p></p><p class=MsoPlainText> Console::WriteLine(e->ToString());<o:p></o:p></p><p class=MsoPlainText> CmdEnd();<o:p></o:p></p><p class=MsoPlainText> }<o:p></o:p></p><p class=MsoPlainText> }<o:p></o:p></p><p class=MsoPlainText> else<o:p></o:p></p><p class=MsoPlainText> {<o:p></o:p></p><p class=MsoPlainText> CmdEnd();<o:p></o:p></p><p class=MsoPlainText> }<o:p></o:p></p><p class=MsoPlainText>}<o:p></o:p></p><p class=MsoPlainText>///////////////////////////////////////////////////////////////////////////////<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Here is an example ipy script that draws a diamond at the selected point.<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>When the C++/cli soure->Execute(scope) line is called, the only python line to run is the DrawingList.RequestData.<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>RequestData takes a delegate and a data type.<o:p></o:p></p><p class=MsoPlainText>When the C++/cli code is done, it calls the delegate pointing to the function "diamond"<o:p></o:p></p><p class=MsoPlainText>In the function diamond it retrieves the requested data with the call to DrawingList.RequestedValue() The call to DrawingList.AddElement(dp) adds the new element to the FastCAD visual Database.<o:p></o:p></p><p class=MsoPlainText>And lastly the call to DrawingList.EndCommand() tells the FastCAD engine to clean up and end the running of the plugin.<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>import clr<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>def diamond(Result1, Result2, Result3):<o:p></o:p></p><p class=MsoPlainText> if(Result1 == 0):<o:p></o:p></p><p class=MsoPlainText> dp = DrawingPath()<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText> dp.drawingStuff.EntityColor = 2<o:p></o:p></p><p class=MsoPlainText> dp.drawingStuff.SecondEntityColor = 2<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText> n = DrawingList.RequestedValue()<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText> dp.Nodes.Add(Node(n.X-50,n.Y+25))<o:p></o:p></p><p class=MsoPlainText> dp.Nodes.Add(Node(n.X-25,n.Y+50))<o:p></o:p></p><p class=MsoPlainText> dp.Nodes.Add(Node(n.X+25,n.Y+50))<o:p></o:p></p><p class=MsoPlainText> dp.Nodes.Add(Node(n.X+50,n.Y+25))<o:p></o:p></p><p class=MsoPlainText> dp.Nodes.Add(Node(n.X,n.Y-40))<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText> DrawingList.AddElement(dp)<o:p></o:p></p><p class=MsoPlainText> <o:p></o:p></p><p class=MsoPlainText> DrawingList.EndCommand()<o:p></o:p></p><p class=MsoPlainText> <o:p></o:p></p><p class=MsoPlainText>DrawingList.RequestData(diamond, DrawingList.RequestType.PointType)<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>