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cuberite-2a/src/BlockEntities/ChestEntity.h
Tiger Wang 16aeb84cd3
Fix potential destruction crashes (#5095)
* Fix potential destruction crashes

* Fix destructors accessing destroyted objects
* Fix cPlayer not destroying windows (Destroyed never called)
* Tentatively fixes #4608, fixes #3236, fixes #3262
- Remove cEntity::Destroyed() and replace with cEntity::OnRemoveFromWorld()

* Add missing call to OnRemoveFromWorld
2021-01-02 13:50:34 +00:00

75 lines
1.7 KiB
C++

#pragma once
#include "BlockEntityWithItems.h"
#include "../Simulator/RedstoneSimulator.h"
class cClientHandle;
// tolua_begin
class cChestEntity :
public cBlockEntityWithItems
{
// tolua_end
using Super = cBlockEntityWithItems;
// tolua_begin
public:
enum
{
ContentsHeight = 3,
ContentsWidth = 9,
} ;
// tolua_end
/** Constructor used for normal operation */
cChestEntity(BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta, Vector3i a_Pos, cWorld * a_World);
// cBlockEntity overrides:
virtual void CopyFrom(const cBlockEntity & a_Src) override;
virtual void OnRemoveFromWorld() override;
virtual void SendTo(cClientHandle & a_Client) override;
virtual bool UsedBy(cPlayer * a_Player) override;
/** Search horizontally adjacent blocks for neighbouring chests of the same type and links them together. */
void ScanNeighbours();
/** Opens a new chest window where this is the primary chest and any neighbour is the secondary. */
void OpenNewWindow();
/** Forces any players to close the owned window. */
void DestroyWindow();
/** Returns true if the chest should not be accessible by players. */
bool IsBlocked();
/** Gets the number of players who currently have this chest open */
int GetNumberOfPlayers(void) const { return m_NumActivePlayers; }
/** Sets the number of players who currently have this chest open */
void SetNumberOfPlayers(int a_NumActivePlayers) { m_NumActivePlayers = a_NumActivePlayers; }
private:
/** Number of players who currently have this chest open */
int m_NumActivePlayers;
/** Neighbouring chest that links to form a double chest */
cChestEntity * m_Neighbour;
/** cItemGrid::cListener overrides: */
virtual void OnSlotChanged(cItemGrid * a_Grid, int a_SlotNum) override;
} ; // tolua_export