TerrorNavMesh.cpp.txt

DEFINE_SCRIPTFUNC_NAMED( ScriptGetNavAreasFromBuildPath, "GetNavAreasFromBuildPath", "Fills a passed in table of areas from a path" )
DEFINE_SCRIPTFUNC_NAMED( ScriptRegisterAvoidanceObstacle, "RegisterAvoidanceObstacle", "Arguments: ( entity ) - registers avoidance obstacle" )
DEFINE_SCRIPTFUNC_NAMED( ScriptUnregisterAvoidanceObstacle, "UnregisterAvoidanceObstacle", "Arguments: ( entity ) - unregisters avoidance obstacle" )
DEFINE_SCRIPTFUNC_NAMED( ScriptGetNavAreasOverlappingEntityExtent, "GetNavAreasOverlappingEntityExtent", "Arguments: ( entity, table ) - fills passed in table with areas overlapping entity's extent" )


bool TerrorNavMesh::ScriptGetNavAreasFromBuildPath( HSCRIPT hStartArea, HSCRIPT hGoalArea, const Vector &goalPos, float maxPathLength, int teamID, bool ignoreNavBlockers, HSCRIPT hTable )
{
	CTerrorNavArea *startArea = ToNavArea( hStartArea );
	CTerrorNavArea *goalArea = ToNavArea( hGoalArea );
	if ( !startArea || !goalArea || !hTable )
		return false;

	ShortestPathCost shortestPath;
	if (NavAreaBuildPath( startArea, goalArea, NULL, shortestPath, NULL, maxPathLength, teamID, ignoreNavBlockers ) == false)
		return false;

	int i = 0;
	for( TerrorNavArea *area = goalArea; area->GetParent(); area = area->GetParent() )
	{
		g_pScriptVM->SetValue( hTable, CFmtStr( "area%i", i ), ToHScript( area->GetParent() ) );
		i++;
	}
	return true;
}

void TerrorNavMesh::ScriptRegisterAvoidanceObstacle( HSCRIPT hEntity )
{
	CBaseEntity *pEntity = ToEnt(hEntity);
	if ( !pEntity )
		return;

	INavAvoidanceObstacle *pObstacle = dynamic_cast<INavAvoidanceObstacle*>(pEntity);
	if ( !pObstacle )
		return;

	TheNavMesh->RegisterAvoidanceObstacle( pObstacle );
}

void TerrorNavMesh::ScriptUnregisterAvoidanceObstacle( HSCRIPT hEntity )
{
	CBaseEntity *pEntity = ToEnt(hEntity);
	if ( !pEntity )
		return;

	INavAvoidanceObstacle *pObstacle = dynamic_cast<INavAvoidanceObstacle*>(pEntity);
	if ( !pObstacle )
		return;

	TheNavMesh->UnregisterAvoidanceObstacle( pObstacle );
}

void TerrorNavMesh::ScriptGetNavAreasOverlappingEntityExtent( HSCRIPT hEntity, HSCRIPT hTable )
{
	CBaseEntity *pEntity = ToEnt(hEntity);

	if ( !pEntity || !hTable )
		return;

	NavAreaCollector collector;
	Extent extent;
	pEntity->CollisionProp()->WorldSpaceAABB( &extent.lo, &extent.hi );
	if ( FClassnameIs( pEntity, "prop_physics" ) || FClassnameIs( pEntity, "trigger_hurt" ) )
		extent.lo.z -= HumanHeight;

	TheNavMesh->ForAllAreasOverlappingExtent( collector, extent );
	FOR_EACH_VEC( collector.m_area, it )
	{
		TerrorNavArea *area = collector.m_area[ it ];
		if ( area )
			g_pScriptVM->SetValue( hTable, CFmtStr( "area%i", it ), ToHScript( area ) );
	}
}