Improve (re)spawn, add cache_block_before_spawn and max_spawn_height settings

[dragonfireclient.git] / src / map.h

diff --git a/src/map.h b/src/map.h
index 2f8bfaebabc4cb19bba80af6964982de61b47ef5..d4656acc603d0846152c0fa0df3fc891cfdcdd77 100644 (file)
--- a/src/map.h
+++ b/src/map.h
@@ -34,10 +34,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "util/container.h"
 #include "nodetimer.h"
 
-extern "C" {
-       #include "sqlite3.h"
-}
-
+class Database;
 class ClientMap;
 class MapSector;
 class ServerMapSector;
@@ -64,6 +61,8 @@ enum MapEditEventType{
        MEET_ADDNODE,
        // Node removed (changed to air)
        MEET_REMOVENODE,
+       // Node swapped (changed without metadata change)
+       MEET_SWAPNODE,
        // Node metadata of block changed (not knowing which node exactly)
        // p stores block coordinate
        MEET_BLOCK_NODE_METADATA_CHANGED,
@@ -102,6 +101,8 @@ struct MapEditEvent
                        return VoxelArea(p);
                case MEET_REMOVENODE:
                        return VoxelArea(p);
+               case MEET_SWAPNODE:
+                       return VoxelArea(p);
                case MEET_BLOCK_NODE_METADATA_CHANGED:
                {
                        v3s16 np1 = p*MAP_BLOCKSIZE;
@@ -239,7 +240,8 @@ class Map /*: public NodeContainer*/
                These handle lighting but not faces.
        */
        void addNodeAndUpdate(v3s16 p, MapNode n,
-                       std::map<v3s16, MapBlock*> &modified_blocks);
+                       std::map<v3s16, MapBlock*> &modified_blocks,
+                       bool remove_metadata = true);
        void removeNodeAndUpdate(v3s16 p,
                        std::map<v3s16, MapBlock*> &modified_blocks);
 
@@ -248,7 +250,7 @@ class Map /*: public NodeContainer*/
                These emit events.
                Return true if succeeded, false if not.
        */
-       bool addNodeWithEvent(v3s16 p, MapNode n);
+       bool addNodeWithEvent(v3s16 p, MapNode n, bool remove_metadata = true);
        bool removeNodeWithEvent(v3s16 p);
 
        /*
@@ -310,7 +312,22 @@ class Map /*: public NodeContainer*/
        */
 
        NodeMetadata* getNodeMetadata(v3s16 p);
-       void setNodeMetadata(v3s16 p, NodeMetadata *meta);
+
+       /**
+        * Sets metadata for a node.
+        * This method sets the metadata for a given node.
+        * On success, it returns @c true and the object pointed to
+        * by @p meta is then managed by the system and should
+        * not be deleted by the caller.
+        *
+        * In case of failure, the method returns @c false and the
+        * caller is still responsible for deleting the object!
+        *
+        * @param p node coordinates
+        * @param meta pointer to @c NodeMetadata object
+        * @return @c true on success, false on failure
+        */
+       bool setNodeMetadata(v3s16 p, NodeMetadata *meta);
        void removeNodeMetadata(v3s16 p);
 
        /*
@@ -406,9 +423,12 @@ class ServerMap : public Map
 
        */
        MapBlock * emergeBlock(v3s16 p, bool create_blank=true);
+       
+       // Carries out any initialization necessary before block is sent
+       void prepareBlock(MapBlock *block);
 
        // Helper for placing objects on ground level
-       s16 findGroundLevel(v2s16 p2d);
+       s16 findGroundLevel(v2s16 p2d, bool cacheBlocks);
 
        /*
                Misc. helper functions for fiddling with directory and file
@@ -425,13 +445,8 @@ class ServerMap : public Map
        /*
                Database functions
        */
-       // Create the database structure
-       void createDatabase();
        // Verify we can read/write to the database
        void verifyDatabase();
-       // Get an integer suitable for a block
-       static sqlite3_int64 getBlockAsInteger(const v3s16 pos);
-       static v3s16 getIntegerAsBlock(sqlite3_int64 i);
 
        // Returns true if the database file does not exist
        bool loadFromFolders();
@@ -485,8 +500,8 @@ class ServerMap : public Map
        // Parameters fed to the Mapgen
        MapgenParams *m_mgparams;
 
-       virtual s16 getHeat(ServerEnvironment *env, v3s16 p, MapBlock *block = NULL);
-       virtual s16 getHumidity(ServerEnvironment *env, v3s16 p, MapBlock *block = NULL);
+       virtual s16 updateBlockHeat(ServerEnvironment *env, v3s16 p, MapBlock *block = NULL);
+       virtual s16 updateBlockHumidity(ServerEnvironment *env, v3s16 p, MapBlock *block = NULL);
 
 private:
        // Seed used for all kinds of randomness in generation
@@ -511,14 +526,7 @@ class ServerMap : public Map
                This is reset to false when written on disk.
        */
        bool m_map_metadata_changed;
-
-       /*
-               SQLite database and statements
-       */
-       sqlite3 *m_database;
-       sqlite3_stmt *m_database_read;
-       sqlite3_stmt *m_database_write;
-       sqlite3_stmt *m_database_list;
+       Database *dbase;
 };
 
 #define VMANIP_BLOCK_DATA_INEXIST     1