src/content_nodemeta.cpp

   1 /*
   2 Minetest
   3 Copyright (C) 2010-2012 celeron55, Perttu Ahola <celeron55@gmail.com>
   4
   5 This program is free software; you can redistribute it and/or modify
   6 it under the terms of the GNU Lesser General Public License as published by
   7 the Free Software Foundation; either version 2.1 of the License, or
   8 (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU Lesser General Public License for more details.
  14
  15 You should have received a copy of the GNU Lesser General Public License along
  16 with this program; if not, write to the Free Software Foundation, Inc.,
  17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 */
  19
  20 #include "content_nodemeta.h"
  21 #include "inventory.h"
  22 #include "log.h"
  23 #include "util/serialize.h"
  24 #include "util/string.h"
  25 #include "constants.h" // MAP_BLOCKSIZE
  26 #include <sstream>
  27
  28 #define NODEMETA_GENERIC 1
  29 #define NODEMETA_SIGN 14
  30 #define NODEMETA_CHEST 15
  31 #define NODEMETA_FURNACE 16
  32 #define NODEMETA_LOCKABLE_CHEST 17
  33
  34 // Returns true if node timer must be set
  35 static bool content_nodemeta_deserialize_legacy_body(
  36                 std::istream &is, s16 id, NodeMetadata *meta)
  37 {
  38         meta->clear();
  39
  40         if(id == NODEMETA_GENERIC) // GenericNodeMetadata (0.4-dev)
  41         {
  42                 meta->getInventory()->deSerialize(is);
  43                 deSerializeLongString(is);  // m_text
  44                 deSerializeString(is);  // m_owner
  45
  46                 meta->setString("infotext",deSerializeString(is));
  47                 meta->setString("formspec",deSerializeString(is));
  48                 readU8(is);  // m_allow_text_input
  49                 readU8(is);  // m_allow_removal
  50                 readU8(is);  // m_enforce_owner
  51
  52                 int num_vars = readU32(is);
  53                 for(int i=0; i<num_vars; i++){
  54                         std::string name = deSerializeString(is);
  55                         std::string var = deSerializeLongString(is);
  56                         meta->setString(name, var);
  57                 }
  58                 return false;
  59         }
  60         else if(id == NODEMETA_SIGN) // SignNodeMetadata
  61         {
  62                 meta->setString("text", deSerializeString(is));
  63                 //meta->setString("infotext","\"${text}\"");
  64                 meta->setString("infotext",
  65                                 std::string("\"") + meta->getString("text") + "\"");
  66                 meta->setString("formspec","field[text;;${text}]");
  67                 return false;
  68         }
  69         else if(id == NODEMETA_CHEST) // ChestNodeMetadata
  70         {
  71                 meta->getInventory()->deSerialize(is);
  72
  73                 // Rename inventory list "0" to "main"
  74                 Inventory *inv = meta->getInventory();
  75                 if(!inv->getList("main") && inv->getList("0")){
  76                         inv->getList("0")->setName("main");
  77                 }
  78                 assert(inv->getList("main") && !inv->getList("0"));
  79
  80                 meta->setString("formspec","size[8,9]"
  81                                 "list[current_name;main;0,0;8,4;]"
  82                                 "list[current_player;main;0,5;8,4;]");
  83                 return false;
  84         }
  85         else if(id == NODEMETA_LOCKABLE_CHEST) // LockingChestNodeMetadata
  86         {
  87                 meta->setString("owner", deSerializeString(is));
  88                 meta->getInventory()->deSerialize(is);
  89
  90                 // Rename inventory list "0" to "main"
  91                 Inventory *inv = meta->getInventory();
  92                 if(!inv->getList("main") && inv->getList("0")){
  93                         inv->getList("0")->setName("main");
  94                 }
  95                 assert(inv->getList("main") && !inv->getList("0"));
  96
  97                 meta->setString("formspec","size[8,9]"
  98                                 "list[current_name;main;0,0;8,4;]"
  99                                 "list[current_player;main;0,5;8,4;]");
 100                 return false;
 101         }
 102         else if(id == NODEMETA_FURNACE) // FurnaceNodeMetadata
 103         {
 104                 meta->getInventory()->deSerialize(is);
 105                 int temp = 0;
 106                 is>>temp;
 107                 meta->setString("fuel_totaltime", ftos((float)temp/10));
 108                 temp = 0;
 109                 is>>temp;
 110                 meta->setString("fuel_time", ftos((float)temp/10));
 111                 temp = 0;
 112                 is>>temp;
 113                 //meta->setString("src_totaltime", ftos((float)temp/10));
 114                 temp = 0;
 115                 is>>temp;
 116                 meta->setString("src_time", ftos((float)temp/10));
 117
 118                 meta->setString("formspec","size[8,9]"
 119                         "list[current_name;fuel;2,3;1,1;]"
 120                         "list[current_name;src;2,1;1,1;]"
 121                         "list[current_name;dst;5,1;2,2;]"
 122                         "list[current_player;main;0,5;8,4;]");
 123                 return true;
 124         }
 125         else
 126         {
 127                 throw SerializationError("Unknown legacy node metadata");
 128         }
 129 }
 130
 131 static bool content_nodemeta_deserialize_legacy_meta(
 132                 std::istream &is, NodeMetadata *meta)
 133 {
 134         // Read id
 135         s16 id = readS16(is);
 136
 137         // Read data
 138         std::string data = deSerializeString(is);
 139         std::istringstream tmp_is(data, std::ios::binary);
 140         return content_nodemeta_deserialize_legacy_body(tmp_is, id, meta);
 141 }
 142
 143 void content_nodemeta_deserialize_legacy(std::istream &is,
 144                 NodeMetadataList *meta, NodeTimerList *timers,
 145                 IGameDef *gamedef)
 146 {
 147         meta->clear();
 148         timers->clear();
 149
 150         u16 version = readU16(is);
 151
 152         if(version > 1)
 153         {
 154                 infostream<<__FUNCTION_NAME<<": version "<<version<<" not supported"
 155                                 <<std::endl;
 156                 throw SerializationError(__FUNCTION_NAME);
 157         }
 158
 159         u16 count = readU16(is);
 160
 161         for(u16 i=0; i<count; i++)
 162         {
 163                 u16 p16 = readU16(is);
 164
 165                 v3s16 p(0,0,0);
 166                 p.Z += p16 / MAP_BLOCKSIZE / MAP_BLOCKSIZE;
 167                 p16 -= p.Z * MAP_BLOCKSIZE * MAP_BLOCKSIZE;
 168                 p.Y += p16 / MAP_BLOCKSIZE;
 169                 p16 -= p.Y * MAP_BLOCKSIZE;
 170                 p.X += p16;
 171
 172                 if(meta->get(p) != NULL)
 173                 {
 174                         infostream<<"WARNING: "<<__FUNCTION_NAME<<": "
 175                                         <<"already set data at position"
 176                                         <<"("<<p.X<<","<<p.Y<<","<<p.Z<<"): Ignoring."
 177                                         <<std::endl;
 178                         continue;
 179                 }
 180
 181                 NodeMetadata *data = new NodeMetadata(gamedef);
 182                 bool need_timer = content_nodemeta_deserialize_legacy_meta(is, data);
 183                 meta->set(p, data);
 184
 185                 if(need_timer)
 186                         timers->set(p, NodeTimer(1., 0.));
 187         }
 188 }
 189
 190 void content_nodemeta_serialize_legacy(std::ostream &os, NodeMetadataList *meta)
 191 {
 192         // Sorry, I was too lazy to implement this. --kahrl
 193         writeU16(os, 1); // version
 194         writeU16(os, 0); // count
 195 }
 196
 197 // END