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| author | madmaxoft@gmail.com <madmaxoft@gmail.com@0a769ca7-a7f5-676a-18bf-c427514a06d6> | 2012-02-13 22:47:03 +0100 |
|---|---|---|
| committer | madmaxoft@gmail.com <madmaxoft@gmail.com@0a769ca7-a7f5-676a-18bf-c427514a06d6> | 2012-02-13 22:47:03 +0100 |
| commit | 4f17362aeb80e5339c58a5d3b0fbaeb88d9e701c (patch) | |
| tree | febea3ecd89c0d4aa83924e430bf11366d754733 /source/WorldStorage.h | |
| parent | New makefile with automatic *.cpp sourcefile import, automatic header file dependencies and switchable debug / release configuration. gnumake-specific :( (diff) | |
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Diffstat (limited to 'source/WorldStorage.h')
| -rw-r--r-- | source/WorldStorage.h | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/source/WorldStorage.h b/source/WorldStorage.h new file mode 100644 index 000000000..52573caf0 --- /dev/null +++ b/source/WorldStorage.h @@ -0,0 +1,94 @@ +
+// WorldStorage.h
+
+// Interfaces to the cWorldStorage class representing the chunk loading / saving thread
+// This class decides which storage schema to use for saving; it queries all available schemas for loading
+// Also declares the base class for all storage schemas, cWSSchema
+
+
+
+
+
+#pragma once
+#ifndef WORLDSTORAGE_H_INCLUDED
+#define WORLDSTORAGE_H_INCLUDED
+
+#include "cChunk.h"
+#include "cIsThread.h"
+
+
+
+
+
+/// Interface that all the world storage schemas need to implement
+class cWSSchema ABSTRACT
+{
+public:
+ cWSSchema(cWorld * a_World) : m_World(a_World) {}
+ virtual ~cWSSchema() {} // Force the descendants' destructors to be virtual
+
+ virtual bool LoadChunk(const cChunkPtr & a_Chunk) = 0;
+ virtual bool SaveChunk(const cChunkPtr & a_Chunk) = 0;
+ virtual const AString GetName(void) const = 0;
+
+protected:
+
+ cWorld * m_World;
+} ;
+
+typedef std::list<cWSSchema *> cWSSchemaList;
+
+
+
+
+
+class cWorldStorage :
+ public cIsThread
+{
+ typedef cIsThread super;
+
+public:
+
+ cWorldStorage(void);
+ ~cWorldStorage();
+
+ void QueueLoadChunk(cChunkPtr & a_Chunk); // Queues the chunk for loading; if not loaded, the chunk will be generated
+ void QueueSaveChunk(cChunkPtr & a_Chunk);
+
+ void UnqueueLoad(const cChunkPtr & a_Chunk);
+ void UnqueueSave(const cChunkPtr & a_Chunk);
+
+ bool Start(cWorld * a_World, const AString & a_StorageSchemaName); // Hide the cIsThread's Start() method, we need to provide args
+ void WaitForFinish(void);
+
+protected:
+
+ cWorld * m_World;
+ AString m_StorageSchemaName;
+
+ cCriticalSection m_CSLoadQueue;
+ cChunkPtrList m_LoadQueue;
+
+ cCriticalSection m_CSSaveQueue;
+ cChunkPtrList m_SaveQueue;
+
+ cEvent m_Event; // Set when there's any addition to the queues
+
+ cWSSchemaList m_Schemas;
+ cWSSchema * m_SaveSchema;
+
+ void InitSchemas(void);
+
+ virtual void Execute(void) override;
+ bool LoadChunk(const cChunkPtr & a_Chunk);
+} ;
+
+
+
+
+
+#endif // WORLDSTORAGE_H_INCLUDED
+
+
+
+
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