diff options
Diffstat (limited to '')
| -rw-r--r-- | source/cChunk.h | 52 |
1 files changed, 49 insertions, 3 deletions
diff --git a/source/cChunk.h b/source/cChunk.h index 0cbc11117..ebaa21e34 100644 --- a/source/cChunk.h +++ b/source/cChunk.h @@ -38,10 +38,25 @@ class cServer; class MTRand;
class cPlayer;
-typedef std::list<cFurnaceEntity *> cFurnaceEntityList;
typedef std::list<cClientHandle *> cClientHandleList;
typedef std::list<cBlockEntity *> cBlockEntityList;
+/** Interface class used for getting data out of a chunk using the GetAllData() function.
+Implementation must use the pointers immediately and NOT store any of them for later use
+*/
+class cChunkDataCallback
+{
+public:
+ /// Called once to export blockdata
+ virtual void BlockData(const char * a_Data) = 0;
+
+ /// Called for each entity in the chunk
+ virtual void Entity(cEntity * a_Entity) = 0;
+
+ /// Called for each blockentity in the chunk
+ virtual void BlockEntity(cBlockEntity * a_Entity) = 0;
+} ;
+
@@ -54,14 +69,35 @@ public: bool IsValid(void) const {return m_IsValid; } // Returns true if the chunk is valid (loaded / generated)
void SetValid(bool a_SendToClients = true); // Also wakes up all clients attached to this chunk to let them finish logging in
+ bool IsDirty(void) const {return m_IsDirty; } // Returns true if the chunk has changed since it was last saved
bool CanUnload(void);
+
+ /*
+ To save a chunk, the WSSchema must:
+ 1. Mark the chunk as being saved (MarkSaving() )
+ 2. Get the chunk's data using GetAllData()
+ 3. Mark the chunk as saved (MarkSaved() )
+ If anywhere inside this sequence another thread mmodifies the chunk, the chunk will not get marked as saved in MarkSaved()
+ */
+ void MarkSaving(void); // Marks the chunk as being saved.
+ void MarkSaved(void); // Marks the chunk as saved, if it didn't change from the last call to MarkSaving()
+ void MarkLoaded(void); // Marks the chunk as freshly loaded. Fails if the chunk is already valid
+
+ /// Gets all chunk data, calls the a_Callback's methods for each data type
+ void GetAllData(cChunkDataCallback * a_Callback);
+
+ /// Sets all chunk data
+ void SetAllData(const char * a_BlockData, cEntityList & a_Entities, cBlockEntityList & a_BlockEntities);
+
+ /// Returns true if there is a block entity at the coords specified
+ bool HasBlockEntityAt(int a_BlockX, int a_BlockY, int a_BlockZ);
void Tick(float a_Dt, MTRand & a_TickRandom);
int GetPosX() { return m_PosX; }
int GetPosY() { return m_PosY; }
int GetPosZ() { return m_PosZ; }
- cWorld* GetWorld() { return m_World; }
+ cWorld * GetWorld() { return m_World; }
void Send( cClientHandle* a_Client );
void AsyncUnload( cClientHandle* a_Client );
@@ -131,6 +167,12 @@ public: }
return 0;
}
+
+ inline void MarkDirty(void)
+ {
+ m_IsDirty = true;
+ m_IsSaving = false;
+ }
static const int c_NumBlocks = 16*128*16;
static const int c_BlockDataSize = c_NumBlocks * 2 + (c_NumBlocks/2); // 2.5 * numblocks
@@ -138,15 +180,19 @@ public: private:
bool m_IsValid; // True if the chunk is loaded / generated
+ bool m_IsDirty; // True if the chunk has changed since it was last saved
+ bool m_IsSaving; // True if the chunk is being saved
cCriticalSection m_CSBlockLists;
std::map< unsigned int, int > m_ToTickBlocks;
std::vector< unsigned int > m_PendingSendBlocks;
+ // TODO: This CS will soon not be needed, because all chunk access is protected by its parent ChunkMap's csLayers
cCriticalSection m_CSClients;
cClientHandleList m_LoadedByClient;
cClientHandleList m_UnloadQuery;
+ // TODO: This CS will soon not be needed, because all chunk access is protected by its parent ChunkMap's csLayers
cCriticalSection m_CSEntities;
cEntityList m_Entities;
cBlockEntityList m_BlockEntities;
@@ -177,7 +223,7 @@ private: void SpreadLightOfBlockY(char* a_LightBuffer, int a_X, int a_Y, int a_Z);
void SpreadLightOfBlockZ(char* a_LightBuffer, int a_X, int a_Y, int a_Z);
- void CreateBlockEntities();
+ void CreateBlockEntities(void);
};
typedef std::tr1::shared_ptr<cChunk> cChunkPtr;
|