genesis-3d_engine/Engine/app/scriptbind/scriptbind_intersectWorld.cc

/****************************************************************************
Copyright (c) 2011-2013,WebJet Business Division,CYOU
 
http://www.genesis-3d.com.cn

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#include "stdneb.h"
#include "scriptfeature/inc/script_utility.h"
#include "foundation/math/float3.h"
#include "foundation/math/ray.h"
#include "apputil/intersectutil.h"
#include "appframework/app_fwd_decl.h"

namespace App
{
	void ICallReg_ScriptRuntime_IntersectWorld( void );

	//-TODO:these functions may be rewrite later.
    static void ICall_IntersectWorld_ComputeRay(Math::float2& screenPos,Math::Ray& outRay)
	{
		Math::Ray worldRay;
		AppUtil::IntersectUtil::ComputeDefaultWorldMouseRay( NULL, screenPos, worldRay );
		outRay = worldRay ;
	}

	static mono_bool ICall_IntersectWorld_IntersectActor(MonoObject* monoact, const Math::Ray& ray, uint select_mark,Math::float3& outpos)
	{
		ScriptObjWrapper<Actor>  pActor(monoact);

		float dis=0.0f;
		AppUtil::IntersectResultList rsList;
		bool ret =	AppUtil::IntersectUtil::IntersectActor(ray,pActor.GetCppObjPtr(), select_mark, false, dis);

		outpos = ray.PointAt(dis);

		return Utility_MonoBool(ret);
	}

	static MonoObject* ICall_IntersectWorld_Actor(const Math::Ray& ray, uint select_mark)
	{
		
		AppUtil::IntersectResultList rsList;
	    AppUtil::IntersectUtil::IntersectWorld(ray, select_mark, false, rsList );
		rsList.Sort();
		if (rsList.IsEmpty())
		{
			return NULL;
		}
		App::TActorPtr pActor = rsList[0].actor;
		if(!pActor.isvalid()){
			return NULL;
		}
		return CppObjectToScriptObj( *pActor );	
	}

	static void ICall_IntersectWorld_Point(const Math::Ray& ray, uint select_mark,Math::float3& outFloat3)
	{
		
		AppUtil::IntersectResultList rsList;
		AppUtil::IntersectUtil::IntersectWorld(ray, select_mark, false, rsList );
		rsList.Sort();
		if (rsList.IsEmpty())
		{
			outFloat3 = Math::float3(0,0,0);
			return;
		}
        outFloat3 = ray.PointAt( rsList[0].intersectPoint );
		
	}

	static void ICall_IntersectWorld_Triangle(const Math::Ray& ray,uint select_mark,Math::float3& outPoint1,Math::float3& outPoint2,Math::float3& outPoint3)
	{
		AppUtil::IntersectResultList rsList;
		AppUtil::IntersectTriangle triAngle;
		AppUtil::IntersectUtil::IntersectWorld(ray, select_mark, false, rsList, N_TINY, &triAngle );
		rsList.Sort();
		outPoint1 = triAngle.point0;
		outPoint2 = triAngle.point1;
		outPoint3 = triAngle.point2;
	}

	void ICallReg_ScriptRuntime_IntersectWorld( void )
	{
		static const InternalCallDetail s_cScriptBindInternalCallDetail[] = {
			{ "ScriptRuntime.IntersectWorld::ICall_IntersectWorld_Actor", (void*)&ICall_IntersectWorld_Actor },
			{ "ScriptRuntime.IntersectWorld::ICall_IntersectWorld_Point", (void*)&ICall_IntersectWorld_Point },
			{ "ScriptRuntime.IntersectWorld::ICall_IntersectWorld_Triangle", (void*)&ICall_IntersectWorld_Triangle },
			{ "ScriptRuntime.IntersectWorld::ICall_IntersectWorld_ComputeRay", (void*)&ICall_IntersectWorld_ComputeRay },
			{ "ScriptRuntime.IntersectWorld::ICall_IntersectWorld_IntersectActor", (void*)&ICall_IntersectWorld_IntersectActor },
		};

		int size = sizeof(s_cScriptBindInternalCallDetail)/sizeof(InternalCallDetail);
		for( int ii=0; ii<size; ii++ )
		{
			mono_add_internal_call( s_cScriptBindInternalCallDetail[ii].__pScriptFunName, 
				s_cScriptBindInternalCallDetail[ii].__pCppFunPtr );
		}
	}

}