BansheeEngine/SBansheeEditor/Include/BsScriptSelection.h

#pragma once

#include "BsScriptEditorPrerequisites.h"
#include "BsScriptObject.h"

namespace BansheeEngine
{
	/**
	 * @brief	Interop class between C++ & CLR for Selection.
	 */
	class BS_SCR_BED_EXPORT ScriptSelection : public ScriptObject<ScriptSelection>
	{
	public:
		SCRIPT_OBJ(EDITOR_ASSEMBLY, "BansheeEditor", "Selection");

		/**
		 * @brief	Hooks up selection callbacks. Must be called on library load.
		 */
		static void startUp();

		/**
		 * @brief	Destroys selection callbacks. Must be called before library is unloaded.
		 */
		static void shutDown();

	private:
		ScriptSelection(MonoObject* instance);

		/**
		 * @brief	Triggered when selection has changed.
		 *
		 * @param	sceneObject	Newly selected scene objects. This will be empty if no scene objects are
		 *						selected or if selection hasn't changed.
		 * @param	resPaths	Paths to newly selected resources. This will be empty if no resources are
		 *						selected or if selection hasn't changed.
		 */
		static void onSelectionChanged(const Vector<HSceneObject>& sceneObjects, const Vector<Path>& resPaths);

		/**
		 * @brief	Triggered when ping action is requested for the resource at the specified path.
		 */
		static void onResourcePing(const Path& resPath);

		/**
		 * @brief	Triggered when ping action is requested for the specified scene object.
		 */
		static void onSceneObjectPing(const HSceneObject& sceneObject);

		static HEvent OnSelectionChangedConn;
		static HEvent OnPingResourceConn;
		static HEvent OnPingSceneObjectConn;

		/************************************************************************/
		/* 								CLR HOOKS						   		*/
		/************************************************************************/
		typedef void(__stdcall *OnSelectionChangedThunkDef) (MonoArray*, MonoArray*, MonoException**);
		typedef void(__stdcall *OnPingResourceThunkDef) (MonoString*, MonoException**);
		typedef void(__stdcall *OnPingSceneObjectThunkDef) (MonoObject*, MonoException**);

		static OnSelectionChangedThunkDef OnSelectionChangedThunk;
		static OnPingResourceThunkDef OnPingResourceThunk;
		static OnPingSceneObjectThunkDef OnPingSceneObjectThunk;

		static void internal_GetSceneObjectSelection(MonoArray** selection);
		static void internal_SetSceneObjectSelection(MonoArray* selection);

		static void internal_GetResourceUUIDSelection(MonoArray** selection);
		static void internal_SetResourceUUIDSelection(MonoArray* selection);

		static void internal_GetResourcePathSelection(MonoArray** selection);
		static void internal_SetResourcePathSelection(MonoArray* selection);

		static void internal_PingResource(MonoString* resourcePath);
		static void internal_PingSceneObject(MonoObject* so);
	};
}