Mgvalleys: use standard caves

[minetest.git] / src / database-sqlite3.h

diff --git a/src/database-sqlite3.h b/src/database-sqlite3.h
index 80ba028a486b7156290e3ed2856e2f0030d41778..04a1825d98368cb65ff0bf60b71b8e46353ee259 100644 (file)
--- a/src/database-sqlite3.h
+++ b/src/database-sqlite3.h
@@ -1,13 +1,27 @@
+/*
+Minetest
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
 #ifndef DATABASE_SQLITE3_HEADER
 #define DATABASE_SQLITE3_HEADER
 
-#include "config.h"
-#include "map.h"
-#include "mapsector.h"
-#include "mapblock.h"
-#include "main.h"
-#include "filesys.h"
 #include "database.h"
+#include <string>
 
 extern "C" {
        #include "sqlite3.h"
@@ -16,28 +30,44 @@ extern "C" {
 class Database_SQLite3 : public Database
 {
 public:
-       Database_SQLite3(ServerMap *map, std::string savedir);
-        virtual void beginSave();
-        virtual void endSave();
-
-        virtual void saveBlock(MapBlock *block);
-        virtual MapBlock* loadBlock(v3s16 blockpos);
-        virtual void listAllLoadableBlocks(std::list<v3s16> &dst);
-        virtual int Initialized(void);
+       Database_SQLite3(const std::string &savedir);
+
+       virtual void beginSave();
+       virtual void endSave();
+
+       virtual bool saveBlock(const v3s16 &pos, const std::string &data);
+       virtual std::string loadBlock(const v3s16 &pos);
+       virtual bool deleteBlock(const v3s16 &pos);
+       virtual void listAllLoadableBlocks(std::vector<v3s16> &dst);
+       virtual bool initialized() const { return m_initialized; }
        ~Database_SQLite3();
+
 private:
-       ServerMap *srvmap;
+       // Open the database
+       void openDatabase();
+       // Create the database structure
+       void createDatabase();
+       // Open and initialize the database if needed
+       void verifyDatabase();
+
+       void bindPos(sqlite3_stmt *stmt, const v3s16 &pos, int index=1);
+
+       bool m_initialized;
+
        std::string m_savedir;
+
        sqlite3 *m_database;
-       sqlite3_stmt *m_database_read;
-       sqlite3_stmt *m_database_write;
-       sqlite3_stmt *m_database_list;
+       sqlite3_stmt *m_stmt_read;
+       sqlite3_stmt *m_stmt_write;
+       sqlite3_stmt *m_stmt_list;
+       sqlite3_stmt *m_stmt_delete;
+       sqlite3_stmt *m_stmt_begin;
+       sqlite3_stmt *m_stmt_end;
 
-       // Create the database structure
-       void createDatabase();
-        // Verify we can read/write to the database
-        void verifyDatabase();
-        void createDirs(std::string path);
+       s64 m_busy_handler_data[2];
+
+       static int busyHandler(void *data, int count);
 };
 
 #endif
+