4f17362aeb
git-svn-id: http://mc-server.googlecode.com/svn/trunk@251 0a769ca7-a7f5-676a-18bf-c427514a06d6
95 lines
2.0 KiB
C++
95 lines
2.0 KiB
C++
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// WorldStorage.h
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// Interfaces to the cWorldStorage class representing the chunk loading / saving thread
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// This class decides which storage schema to use for saving; it queries all available schemas for loading
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// Also declares the base class for all storage schemas, cWSSchema
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#pragma once
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#ifndef WORLDSTORAGE_H_INCLUDED
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#define WORLDSTORAGE_H_INCLUDED
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#include "cChunk.h"
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#include "cIsThread.h"
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/// Interface that all the world storage schemas need to implement
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class cWSSchema ABSTRACT
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{
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public:
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cWSSchema(cWorld * a_World) : m_World(a_World) {}
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virtual ~cWSSchema() {} // Force the descendants' destructors to be virtual
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virtual bool LoadChunk(const cChunkPtr & a_Chunk) = 0;
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virtual bool SaveChunk(const cChunkPtr & a_Chunk) = 0;
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virtual const AString GetName(void) const = 0;
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protected:
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cWorld * m_World;
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} ;
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typedef std::list<cWSSchema *> cWSSchemaList;
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class cWorldStorage :
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public cIsThread
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{
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typedef cIsThread super;
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public:
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cWorldStorage(void);
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~cWorldStorage();
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void QueueLoadChunk(cChunkPtr & a_Chunk); // Queues the chunk for loading; if not loaded, the chunk will be generated
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void QueueSaveChunk(cChunkPtr & a_Chunk);
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void UnqueueLoad(const cChunkPtr & a_Chunk);
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void UnqueueSave(const cChunkPtr & a_Chunk);
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bool Start(cWorld * a_World, const AString & a_StorageSchemaName); // Hide the cIsThread's Start() method, we need to provide args
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void WaitForFinish(void);
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protected:
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cWorld * m_World;
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AString m_StorageSchemaName;
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cCriticalSection m_CSLoadQueue;
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cChunkPtrList m_LoadQueue;
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cCriticalSection m_CSSaveQueue;
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cChunkPtrList m_SaveQueue;
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cEvent m_Event; // Set when there's any addition to the queues
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cWSSchemaList m_Schemas;
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cWSSchema * m_SaveSchema;
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void InitSchemas(void);
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virtual void Execute(void) override;
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bool LoadChunk(const cChunkPtr & a_Chunk);
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} ;
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#endif // WORLDSTORAGE_H_INCLUDED
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