//********************************** Banshee Engine (www.banshee3d.com) **************************************************//
//**************** Copyright (c) 2016 Marko Pintera (marko.pintera@gmail.com). All rights reserved. **********************//
#include "Wrappers/BsScriptSceneGizmos.h"
#include "Scene/BsGizmoManager.h"
#include "BsScriptGizmoManager.h"
#include "Components/BsCCamera.h"

#include "Generated/BsScriptCCamera.generated.h"

namespace bs
{
	ScriptSceneGizmos::ScriptSceneGizmos(MonoObject* object, const HCamera& camera, const GizmoDrawSettings& drawSettings)
		:ScriptObject(object), mCamera(camera), mDrawSettings(drawSettings)
	{ }

	ScriptSceneGizmos::~ScriptSceneGizmos()
	{
		if (GizmoManager::isStarted()) // If not active, we don't care
			GizmoManager::instance().clearRenderData();
	}

	void ScriptSceneGizmos::initRuntimeData()
	{
		metaData.scriptClass->addInternalCall("Internal_Create", (void*)&ScriptSceneGizmos::internal_Create);
		metaData.scriptClass->addInternalCall("Internal_Draw", (void*)&ScriptSceneGizmos::internal_Draw);
		metaData.scriptClass->addInternalCall("Internal_SetDrawSettings", (void*)&ScriptSceneGizmos::internal_SetDrawSettings);
		metaData.scriptClass->addInternalCall("Internal_GetDrawSettings", (void*)&ScriptSceneGizmos::internal_GetDrawSettings);
	}

	void ScriptSceneGizmos::internal_Create(MonoObject* managedInstance, ScriptCCamera* camera, 
		GizmoDrawSettings* drawSettings)
	{
		new (bs_alloc<ScriptSceneGizmos>()) ScriptSceneGizmos(managedInstance, camera->getHandle(), *drawSettings);
	}

	void ScriptSceneGizmos::internal_Draw(ScriptSceneGizmos* thisPtr)
	{
		ScriptGizmoManager::instance().update();

		// Make sure camera's transform is up-to-date
		const SPtr<Camera>& cameraPtr = thisPtr->mCamera->_getCamera();
		cameraPtr->_updateState(*thisPtr->mCamera->SO());

		GizmoManager::instance().update(cameraPtr, thisPtr->mDrawSettings);
	}

	void ScriptSceneGizmos::internal_GetDrawSettings(ScriptSceneGizmos* thisPtr, GizmoDrawSettings* settings)
	{
		*settings = thisPtr->mDrawSettings;
	}

	void ScriptSceneGizmos::internal_SetDrawSettings(ScriptSceneGizmos* thisPtr, GizmoDrawSettings* settings)
	{
		thisPtr->mDrawSettings = *settings;;
	}
}