]> git.lizzy.rs Git - dragonfireclient.git/blobdiff - src/mapblock.cpp
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[dragonfireclient.git] / src / mapblock.cpp
index 56d4416a4168767deef026a1f6a4188be24f95bf..8e8961e10f9bd488ffc41870fe556490cda17a95 100644 (file)
@@ -21,8 +21,6 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 
 #include <sstream>
 #include "map.h"
-// For g_settings
-#include "main.h"
 #include "light.h"
 #include "nodedef.h"
 #include "nodemetadata.h"
@@ -31,6 +29,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "nameidmapping.h"
 #include "content_mapnode.h" // For legacy name-id mapping
 #include "content_nodemeta.h" // For legacy deserialization
+#include "serialization.h"
 #ifndef SERVER
 #include "mapblock_mesh.h"
 #endif
@@ -58,18 +57,13 @@ MapBlock::MapBlock(Map *parent, v3s16 pos, IGameDef *gamedef, bool dummy):
                m_timestamp(BLOCK_TIMESTAMP_UNDEFINED),
                m_disk_timestamp(BLOCK_TIMESTAMP_UNDEFINED),
                m_usage_timer(0),
-               m_refcount(0),
-               heat_time(0),
-               heat(0),
-               humidity_time(0),
-               humidity(0)
+               m_refcount(0)
 {
        data = NULL;
        if(dummy == false)
                reallocate();
        
 #ifndef SERVER
-       //mesh_mutex.Init();
        mesh = NULL;
 #endif
 }
@@ -458,10 +452,16 @@ s16 MapBlock::getGroundLevel(v2s16 p2d)
 */
 // List relevant id-name pairs for ids in the block using nodedef
 // Renumbers the content IDs (starting at 0 and incrementing
+// use static memory requires about 65535 * sizeof(int) ram in order to be
+// sure we can handle all content ids. But it's absolutely worth it as it's
+// a speedup of 4 for one of the major time consuming functions on storing
+// mapblocks.
+static content_t getBlockNodeIdMapping_mapping[USHRT_MAX];
 static void getBlockNodeIdMapping(NameIdMapping *nimap, MapNode *nodes,
                INodeDefManager *nodedef)
 {
-       std::map<content_t, content_t> mapping;
+       memset(getBlockNodeIdMapping_mapping, 0xFF, USHRT_MAX * sizeof(content_t));
+
        std::set<content_t> unknown_contents;
        content_t id_counter = 0;
        for(u32 i=0; i<MAP_BLOCKSIZE*MAP_BLOCKSIZE*MAP_BLOCKSIZE; i++)
@@ -470,16 +470,14 @@ static void getBlockNodeIdMapping(NameIdMapping *nimap, MapNode *nodes,
                content_t id = CONTENT_IGNORE;
 
                // Try to find an existing mapping
-               std::map<content_t, content_t>::iterator j = mapping.find(global_id);
-               if(j != mapping.end())
-               {
-                       id = j->second;
+               if (getBlockNodeIdMapping_mapping[global_id] != 0xFFFF) {
+                       id = getBlockNodeIdMapping_mapping[global_id];
                }
                else
                {
                        // We have to assign a new mapping
                        id = id_counter++;
-                       mapping.insert(std::make_pair(global_id, id));
+                       getBlockNodeIdMapping_mapping[global_id] = id;
 
                        const ContentFeatures &f = nodedef->get(global_id);
                        const std::string &name = f.name;
@@ -636,11 +634,21 @@ void MapBlock::serialize(std::ostream &os, u8 version, bool disk)
                        // Node timers
                        m_node_timers.serialize(os, version);
                }
-       } else {
-               if(version >= 26){
-                       writeF1000(os, heat);
-                       writeF1000(os, humidity);
-               }
+       }
+}
+
+void MapBlock::serializeNetworkSpecific(std::ostream &os, u16 net_proto_version)
+{
+       if(data == NULL)
+       {
+               throw SerializationError("ERROR: Not writing dummy block.");
+       }
+
+       if(net_proto_version >= 21){
+               int version = 1;
+               writeU8(os, version);
+               writeF1000(os, 0); // deprecated heat
+               writeF1000(os, 0); // deprecated humidity
        }
 }
 
@@ -743,17 +751,30 @@ void MapBlock::deSerialize(std::istream &is, u8 version, bool disk)
                                        <<": Node timers (ver>=25)"<<std::endl);
                        m_node_timers.deSerialize(is, version);
                }
-       } else {
-               if(version >= 26){
-                       heat = readF1000(is);
-                       humidity = readF1000(is);
-               }
        }
                
        TRACESTREAM(<<"MapBlock::deSerialize "<<PP(getPos())
                        <<": Done."<<std::endl);
 }
 
+void MapBlock::deSerializeNetworkSpecific(std::istream &is)
+{
+       try {
+               int version = readU8(is);
+               //if(version != 1)
+               //      throw SerializationError("unsupported MapBlock version");
+               if(version >= 1) {
+                       readF1000(is); // deprecated heat
+                       readF1000(is); // deprecated humidity
+               }
+       }
+       catch(SerializationError &e)
+       {
+               errorstream<<"WARNING: MapBlock::deSerializeNetworkSpecific(): Ignoring an error"
+                               <<": "<<e.what()<<std::endl;
+       }
+}
+
 /*
        Legacy serialization
 */