MapObject* CMapObjectManager::getObjectNearBy(int cx,int cy,MapObjectType type)
{
Rect rect;
m_pMap->getViewRect(rect);
float x = 0;
float y = 0;
MapObject* pRet = NULL;
const int minD = 3; //最小格子距离
for ( MapObjectList::iterator itr = m_Objects.begin();itr != m_Objects.end();++itr)
{
MapObject* pObject = *itr;
if ( pObject && !pObject->GetDeleted() )
{
x = pObject->getPositionX();
y = pObject->getPositionY();
int distance = Distance(cx,cy,pObject->GetCellX(),pObject->GetCellY());
if ( rect.containsPoint(Point(x,y)) && pObject->GetType() == type && distance < minD )
{
pRet = pObject;
//minD = distance;
}
}
}
return pRet;
}
void CMapObjectManager::update(float dt)
{
MapObject* array[1024] = {0};
int len = 0;
assert(m_Objects.size() < 1024);
for ( MapObjectList::iterator itr = m_Objects.begin();itr != m_Objects.end(); )
{
MapObject* pObject = *itr;
// 清理掉被标记为删除的，和没有地图的野对象
if ( !pObject || pObject->GetDeleted() || !pObject->GetMap() )
{
CC_SAFE_RELEASE(pObject);
itr = m_Objects.erase(itr);
continue;
}
// 合法的对象加入新的列表
array[len++] = pObject;
pObject->retain();
++itr;
}
// 对新列表按照遮挡关系排序
//qsort(array,len,sizeof(MapObject*),(int (__cdecl *)(const void *,const void *))compare);
sortZorder(array,len);
for ( int i = 0;i<len;++i )
{
array[i]->setLocalZOrder(len-i);
array[i]->update(dt);
array[i]->release();
array[i] = NULL;
}
}
int CMapObjectManager::getObjectsInView(MapObjectType type,MapObjectList& objects)
{
Rect rect;
m_pMap->getViewRect(rect);
float x = 0;
float y = 0;
for ( MapObjectList::iterator itr = m_Objects.begin();itr != m_Objects.end();++itr)
{
MapObject* pObject = *itr;
if ( pObject && !pObject->GetDeleted() )
{
x = pObject->getPositionX();
y = pObject->getPositionY();
if ( rect.containsPoint(Point(x,y)) && pObject->GetType() == type )
{
objects.push_back(pObject);
}
}
}
return (int)objects.size();
}
MapObject* CMapObjectManager::SelectObject(float x,float y,MapObject* pExclude )
{
MapObjectList objects;
SelectObjects(x,y,objects);
MapObject* pRet = NULL;
for ( size_t i = 0;i<objects.size();++i )
{
MapObject* pObject = objects[i];
if ( pObject == pExclude || pObject->GetDeleted())
{
continue;
}
if ( !pRet )
{
pRet = pObject;
continue;
}
if ( pRet->getZOrder() < pObject->getZOrder() )
{
pRet = pObject;
}
}
return pRet;
}
MapObject* CMapObjectManager::getObject(int cx,int cy)
{
for ( MapObjectList::iterator itr = m_Objects.begin();itr != m_Objects.end();++itr)
{
MapObject* pObject = *itr;
if ( pObject && !pObject->GetDeleted() && pObject->GetCellX() == cx && pObject->GetCellY() == cy )
{
return pObject;
}
}
return NULL;
}
MapObject* CMapObjectManager::getObject(MapObjectID id)
{
for ( MapObjectList::iterator itr = m_Objects.begin();itr != m_Objects.end();++itr)
{
MapObject* pObject = *itr;
if ( pObject && !pObject->GetDeleted() && pObject->GetId() == id )
{
return pObject;
}
}
return NULL;
}
int CMapObjectManager::getObjects(int cx,int cy,MapObjectList& objects)
{
objects.clear();
for ( MapObjectList::iterator itr = m_Objects.begin();itr != m_Objects.end();++itr)
{
MapObject* pObject = *itr;
if ( pObject && !pObject->GetDeleted() && pObject->GetCellX() == cx && pObject->GetCellY() == cy )
{
objects.push_back(pObject);
}
}
return (int)objects.size();
}
int CMapObjectManager::SelectObjects(float x,float y,MapObjectList& objects)
{
objects.clear();
for ( MapObjectList::iterator itr = m_Objects.begin();itr != m_Objects.end();++itr)
{
MapObject* pObject = *itr;
if ( pObject && !pObject->GetDeleted() && pObject->CheckSelected(x,y) )
{
objects.push_back(pObject);
}
}
return (int)objects.size();
}
