CryEngine5.5 SandBox对象管理器（IObjectManager）

文件路径：
CRYENGINE\Code\Sandbox\Plugins\EditorCommon\IObjectManager.h
管理器接口名：
IObjectManager

对象类型：

enum ObjectType
{
    OBJTYPE_GROUP         = 1 << 0,
    OBJTYPE_TAGPOINT      = 1 << 1,
    OBJTYPE_AIPOINT       = 1 << 2,
    OBJTYPE_ENTITY        = 1 << 3,
    OBJTYPE_SHAPE         = 1 << 4,
    OBJTYPE_VOLUME        = 1 << 5,
    OBJTYPE_BRUSH         = 1 << 6,
    OBJTYPE_PREFAB        = 1 << 7,
    OBJTYPE_SOLID         = 1 << 8,
    OBJTYPE_CLOUD         = 1 << 9,
    OBJTYPE_CLOUDGROUP    = 1 << 10,
    OBJTYPE_VOXEL         = 1 << 11,
    OBJTYPE_ROAD          = 1 << 12,
    OBJTYPE_OTHER         = 1 << 13,
    OBJTYPE_DECAL         = 1 << 14,
    OBJTYPE_DISTANCECLOUD = 1 << 15,
    OBJTYPE_TELEMETRY     = 1 << 16,
    OBJTYPE_REFPICTURE    = 1 << 17,
    OBJTYPE_GEOMCACHE     = 1 << 18,
    OBJTYPE_VOLUMESOLID   = 1 << 19,
    OBJTYPE_ANY           = 0xFFFFFFFF,
};

对象事件：

enum ObjectEvent
{
    EVENT_PREINGAME = 1,//!< Signals that editor is going to switch into the game mode.
    EVENT_INGAME,       //!< Signals that editor is switching into the game mode.
    EVENT_OUTOFGAME,    //!< Signals that editor is switching out of the game mode.
    EVENT_REFRESH,      //!< Signals that editor is refreshing level.
    EVENT_PLACE_STATIC, //!< Signals that editor needs to place all static objects on terrain.
    EVENT_REMOVE_STATIC,//!< Signals that editor needs to remove all static objects from terrain.
    EVENT_DBLCLICK,     //!< Signals that object have been double clicked.
    EVENT_RELOAD_ENTITY,//!< Signals that entities scripts must be reloaded.
    EVENT_RELOAD_TEXTURES,//!< Signals that all posible textures in objects should be reloaded.
    EVENT_RELOAD_GEOM,     //!< Signals that all posible geometries should be reloaded.
    EVENT_MISSION_CHANGE,  //!< Signals that mission have been changed.
    EVENT_PREFAB_REMAKE,//!< Recreate all objects in prefabs.
    EVENT_ALIGN_TOGRID, //!< Object should align itself to the grid.

    EVENT_PHYSICS_GETSTATE,//!< Signals that entities should accept thier phyical state from game.
    EVENT_PHYSICS_RESETSTATE,//!< Signals that physics state must be reseted on objects.
    EVENT_PHYSICS_APPLYSTATE,//!< Signals that teh stored physics state must be applied to objects.

    EVENT_PRE_EXPORT, //!< Signals that the game is about to be exported, prepare any data if the object needs to

    EVENT_FREE_GAME_DATA,//!< Object should free game data that its holding.
    EVENT_CONFIG_SPEC_CHANGE, //!< Called when config spec changed.
    EVENT_HIDE_HELPER,        //!< Signals that happens when Helper mode switches to be hidden.
    EVENT_SHOW_HELPER,        //!< Signals that happens when Helper mode switches to be shown.
    EVENT_TRANSFORM_FINISHED  //!< Signal when the object was transformed
};

对象监听事件：

enum EObjectListenerEvent
{
    OBJECT_ON_DELETE = 0,// Sent after object was deleted from object manager.
    OBJECT_ON_ADD,                  // Sent after object was added to object manager.
    OBJECT_ON_SELECT,               // Sent when objects becomes selected.
    OBJECT_ON_UNSELECT,             // Sent when objects unselected.
    OBJECT_ON_TRANSFORM,            // Sent when object transformed.
    OBJECT_ON_VISIBILITY,           // Sent when object visibility changes.
    OBJECT_ON_RENAME,               // Sent when object changes name.
    OBJECT_ON_CHILDATTACHED,        // Sent when object gets a child attached.
    OBJECT_ON_PREDELETE,            // Sent before an object is processed to be deleted from the object manager.
    OBJECT_ON_DETACHFROMPARENT,     // Sent when the object detaches from a parent.
    OBJECT_ON_GROUP_OPEN,           // Sent when this group/prefab object is opened
    OBJECT_ON_GROUP_CLOSE,          // Sent when this group/prefab object is closed
    OBJECT_ON_PREFAB_CHANGED,       // Sent when prefab representation has been changed
    OBJECT_ON_UI_PROPERTY_CHANGED,  // Sent when any misc variable/property changes (Meant for UI/inspector).
    OBJECT_ON_LAYERCHANGE,          // Sent after object has changed layer
    OBJECT_ON_PRELINKED,            // Sent before the object is linked
    OBJECT_ON_LINKED,               // Sent after the object is linked
    OBJECT_ON_PREUNLINKED,          // Sent before the object is linked
    OBJECT_ON_UNLINKED,             // Sent after the object is linked

    OBJECT_EVENT_LAST
};

大概所拥有的功能如下：
//对象增删改查

NewObject(被重载3个)
FindObjectBy >>Name,Type,guid..
DeleteObject
DeleteObjects
DeleteAllObjects
CloneObject参数obj返回obj
Link链接单一对象到目标或链接多个对象到目标，被重载2
FilterLinkedObjects
Display在指定上下文渲染对象
HitTest(HitContext& hitInfo)相交测试，返回bool
void SendEvent(ObjectEvent event)发送事件给全部对象
void SendEvent(ObjectEvent event, const AABB& bounds)给选择的对象发送事件
void HideObject(CBaseObject* obj, bool hide)隐藏对象
void UnhideAll()全部显示
void FreezeObject(CBaseObject* obj, bool freeze)冻结对象
ToggleHideAllBut(CBaseObject* obj) 只有参数被隐藏其他被显示
ToggleFreezeAllBut(CBaseObject* pObject) 同上
UnfreezeAll()全部解冻

//对象选取操作

enum class ESelectOp
    {
        eSelect,
        eUnselect,
        eToggle,
        eNone
    };

SelectObject
UnselectObject
SelectObjects
UnselectObjects
ToggleSelectObjects//切换选取
SelectAndUnselectObjects
SelectAll
SelectObjectsInRect(CViewport* view, const CRect& rect, ESelectOp bSelect)选取一个区域内的对象
ClearSelection//清除选择对象
InvertSelection//反选对象
CSelectionGroup* GetSelection()//获取被选择的对象组
void DeleteSelection()删除被选择的对象组

//对象的加载和导出

Export(const string& levelPath, XmlNodeRef& rootNode, bool isOnlyShared)导出对象【isOnlyShared为ture仅仅导出共享对象，否则完全导出】
virtual void Serialize(XmlNodeRef& rootNode, bool isLoading, int flags = SERIALIZE_ALL)序列化对象
LoadObjects加载对象
virtual void StartObjectsLoading(int numObjects) = 0;
virtual void EndObjectsLoading() = 0;

//对象事件回调

typedef Functor2<CBaseObject*, int> EventCallback;

virtual void AddObjectEventListener(const EventCallback& cb) = 0;
virtual void RemoveObjectEventListener(const EventCallback& cb) = 0;

//通告上层管理

NotifyObjectListeners(CBaseObject* pObject, enum EObjectListenerEvent event)//单个对象对应发生了什么事件

CryEngine5.5 SandBox对象管理器（IObjectManager）

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