DAVA::Entity* SceneSelectionSystem::GetSelectableEntity(DAVA::Entity* entity)
{
DAVA::Entity *selectableEntity = NULL;
if(NULL != entity)
{
// find most top solid entity
DAVA::Entity *parent = entity;
while(NULL != parent)
{
if(parent->GetSolid())
{
selectableEntity = parent;
}
parent = parent->GetParent();
}
// still not found?
if(NULL == selectableEntity)
{
// let it current entity to be tread as solid
selectableEntity = entity;
}
}
return selectableEntity;
}
EntityGroupItem SceneSelectionSystem::GetSelectableEntity(DAVA::Entity* entity)
{
EntityGroupItem ret;
DAVA::Entity *solidEntity = entity;
if(NULL != entity)
{
// find real solid entity
solidEntity = entity;
while(NULL != solidEntity && !solidEntity->GetSolid())
{
solidEntity = solidEntity->GetParent();
}
// if there is no solid entity, try to find lod parent entity
if(NULL == solidEntity)
{
// find entity that has lod component
solidEntity = entity;
while(NULL != solidEntity && NULL == solidEntity->GetComponent(DAVA::Component::LOD_COMPONENT))
{
solidEntity = solidEntity->GetParent();
}
}
// still not found?
if(NULL == solidEntity)
{
// let it current entity to be tread as solid
solidEntity = entity;
}
ret.entity = entity;
ret.solidEntity = solidEntity;
ret.bbox = CalcAABox(solidEntity);
}
return ret;
}