#ifndef pluginImpl_h
#define pluginImpl_h

// Shave and a Haircut
// (c) 2019 Epic Games
// US Patent 6720962

//
// Some macros to make the source code a bit more readable.
//
#define REGISTER_CMD(cmd)											\
	st = plugin.registerCommand(									\
				cmd::commandName, cmd::createCmd, cmd::createSyntax	\
			);														\
	if (!st)														\
	{																\
		MGlobal::displayError(										\
			MString("registering the '") + cmd::commandName			\
			+ "' command: " + st.errorString()						\
		);															\
		shaveUninitializePlugin(obj);								\
		RETURN(st);													\
	}																\
	cmd##_isRegistered = true;


#define DEREGISTER_CMD(cmd)											\
	if (cmd##_isRegistered)											\
	{																\
		cmd##_isRegistered = false;									\
		st = plugin.deregisterCommand(cmd::commandName);			\
		if (!st)													\
		{															\
			MGlobal::displayError(									\
				MString("deregistering the '") + cmd::commandName	\
				+ "' command: " + st.errorString()					\
			);														\
			RETURN(st);												\
		}															\
	}


#define REGISTER_CTX_CMD(cmd)										\
	st = plugin.registerContextCommand(								\
				cmd::commandName, cmd::createCmd					\
			);														\
	if (!st)														\
	{																\
		MGlobal::displayError(										\
			MString("registering the '") + cmd::commandName			\
			+ "' context command: " + st.errorString()				\
		);															\
		shaveUninitializePlugin(obj);								\
		RETURN(st);													\
	}																\
	cmd##_isRegistered = true;


#define DEREGISTER_CTX_CMD(cmd)										\
	if (cmd##_isRegistered)											\
	{																\
		cmd##_isRegistered = false;									\
		st = plugin.deregisterContextCommand(cmd::commandName);		\
		if (!st)													\
		{															\
			MGlobal::displayError(									\
				MString("deregistering the '") + cmd::commandName	\
				+ "' context command: " + st.errorString()			\
			);														\
			RETURN(st);												\
		}															\
	}


#define REGISTER_DATA(data)												\
	st = plugin.registerData(data::dataTypeName, data::dataTypeId, data::creator);	\
	if (!st)															\
	{																	\
		MGlobal::displayError(											\
			MString("registering the '") + data::dataTypeName			\
			+ "' data type: " + st.errorString()						\
		);																\
		RETURN(st);														\
	}																	\
	data##_isRegistered = true;


#define DEREGISTER_DATA(data)										\
	st = plugin.deregisterData(data::dataTypeId);					\
	if (!st)														\
	{																\
		data##_isRegistered = false;								\
		MGlobal::displayError(										\
			MString("deregistering the '") + data::dataTypeName		\
			+ "' data type: " + st.errorString()					\
		);															\
		RETURN(st);													\
	}																\

#define REGISTER_NODE(node,type,classification)						\
	st = plugin.registerNode(										\
				node::nodeTypeName,									\
				node::id,											\
				node::creator,										\
				node::initialize,									\
				MPxNode::type,									\
				classification										\
			);														\
	if (!st)														\
	{																\
		MGlobal::displayError(										\
			MString("registering the '") + node::nodeTypeName		\
			+ "' node: " + st.errorString()							\
		);															\
		shaveUninitializePlugin(obj);								\
		RETURN(st);													\
	}																\
	node##_isRegistered = true;										\


#define DEREGISTER_NODE(node)										\
	if (node##_isRegistered)										\
	{																\
		node##_isRegistered = false;								\
		st = plugin.deregisterNode(node::id);						\
		if (!st)													\
		{															\
			MGlobal::displayError(									\
				MString("deregistering the '") + node::nodeTypeName	\
				+ "' node: " + st.errorString()						\
			);														\
			RETURN(st);												\
		}															\
	}


#define REGISTER_MANIP(node)										\
	st = plugin.registerNode(										\
				node::nodeTypeName,									\
				node::id,											\
				node::creator,										\
				node::initialize,									\
				MPxNode::kManipContainer							\
			);														\
	if (!st)														\
	{																\
		MGlobal::displayError(										\
			MString("registering the '") + node::nodeTypeName		\
			+ "' manip: " + st.errorString()						\
		);															\
		shaveUninitializePlugin(obj);								\
		RETURN(st);													\
	}																\
	node##_isRegistered = true;										\

#define DEREGISTER_MANIP(node) DEREGISTER_NODE(node)


#define REGISTER_SHAPE(node,ui)										\
	st = plugin.registerShape(										\
				node::nodeTypeName,									\
				node::id,											\
				node::creator,										\
				node::initialize,									\
				ui::creator											\
			);														\
	if (!st)														\
	{																\
		MGlobal::displayError(										\
			MString("registering the '") + node::nodeTypeName		\
			+ "' shape: " + st.errorString()						\
		);															\
		shaveUninitializePlugin(obj);								\
		RETURN(st);													\
	}																\
	node##_isRegistered = true;										\


#define DEREGISTER_SHAPE(node) DEREGISTER_NODE(node)

#endif