src/content_nodemeta.cpp

   1 /*
   2 Minetest-c55
   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 General Public License as published by
   7 the Free Software Foundation; either version 2 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 General Public License for more details.
  14
  15 You should have received a copy of the GNU 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 "utility.h"
  24
  25 #define NODEMETA_GENERIC 1
  26 #define NODEMETA_SIGN 14
  27 #define NODEMETA_CHEST 15
  28 #define NODEMETA_FURNACE 16
  29 #define NODEMETA_LOCKABLE_CHEST 17
  30
  31 // Returns true if node timer must be set
  32 static bool content_nodemeta_deserialize_legacy_body(
  33                 std::istream &is, s16 id, NodeMetadata *meta)
  34 {
  35         meta->clear();
  36
  37         if(id == NODEMETA_GENERIC) // GenericNodeMetadata (0.4-dev)
  38         {
  39                 meta->getInventory()->deSerialize(is);
  40                 deSerializeLongString(is);  // m_text
  41                 deSerializeString(is);  // m_owner
  42
  43                 meta->setString("infotext",deSerializeString(is));
  44                 meta->setString("formspec",deSerializeString(is));
  45                 readU8(is);  // m_allow_text_input
  46                 readU8(is);  // m_allow_removal
  47                 readU8(is);  // m_enforce_owner
  48
  49                 int num_vars = readU32(is);
  50                 for(int i=0; i<num_vars; i++){
  51                         std::string name = deSerializeString(is);
  52                         std::string var = deSerializeLongString(is);
  53                         meta->setString(name, var);
  54                 }
  55                 return false;
  56         }
  57         else if(id == NODEMETA_SIGN) // SignNodeMetadata
  58         {
  59                 meta->setString("text", deSerializeLongString(is));
  60                 //meta->setString("infotext","\"${text}\"");
  61                 meta->setString("infotext",
  62                                 std::string("\"") + meta->getString("text") + "\"");
  63                 meta->setString("formspec","field[text;;${text}]");
  64                 return false;
  65         }
  66         else if(id == NODEMETA_CHEST) // ChestNodeMetadata
  67         {
  68                 meta->getInventory()->deSerialize(is);
  69
  70                 // Rename inventory list "0" to "main"
  71                 Inventory *inv = meta->getInventory();
  72                 if(!inv->getList("main") && inv->getList("0")){
  73                         inv->addList("main", 8*4);
  74                         *inv->getList("main") = *inv->getList("0");
  75                         inv->deleteList("0");
  76                 }
  77
  78                 meta->setString("formspec","invsize[8,9;]"
  79                                 "list[current_name;main;0,0;8,4;]"
  80                                 "list[current_player;main;0,5;8,4;]");
  81                 return false;
  82         }
  83         else if(id == NODEMETA_LOCKABLE_CHEST) // LockingChestNodeMetadata
  84         {
  85                 meta->setString("owner", deSerializeString(is));
  86                 meta->getInventory()->deSerialize(is);
  87
  88                 // Rename inventory list "0" to "main"
  89                 Inventory *inv = meta->getInventory();
  90                 if(!inv->getList("main") && inv->getList("0")){
  91                         inv->addList("main", 8*4);
  92                         *inv->getList("main") = *inv->getList("0");
  93                         inv->deleteList("0");
  94                 }
  95
  96                 meta->setString("formspec","invsize[8,9;]"
  97                                 "list[current_name;main;0,0;8,4;]"
  98                                 "list[current_player;main;0,5;8,4;]");
  99                 return false;
 100         }
 101         else if(id == NODEMETA_FURNACE) // FurnaceNodeMetadata
 102         {
 103                 meta->getInventory()->deSerialize(is);
 104                 int temp = 0;
 105                 is>>temp;
 106                 meta->setString("fuel_totaltime", ftos((float)temp/10));
 107                 temp = 0;
 108                 is>>temp;
 109                 meta->setString("fuel_time", ftos((float)temp/10));
 110                 temp = 0;
 111                 is>>temp;
 112                 //meta->setString("src_totaltime", ftos((float)temp/10));
 113                 temp = 0;
 114                 is>>temp;
 115                 meta->setString("src_time", ftos((float)temp/10));
 116
 117                 meta->setString("formspec","invsize[8,9;]"
 118                         "list[current_name;fuel;2,3;1,1;]"
 119                         "list[current_name;src;2,1;1,1;]"
 120                         "list[current_name;dst;5,1;2,2;]"
 121                         "list[current_player;main;0,5;8,4;]");
 122                 return true;
 123         }
 124         else
 125         {
 126                 throw SerializationError("Unknown legacy node metadata");
 127         }
 128 }
 129
 130 static bool content_nodemeta_deserialize_legacy_meta(
 131                 std::istream &is, NodeMetadata *meta)
 132 {
 133         // Read id
 134         s16 id = readS16(is);
 135
 136         // Read data
 137         std::string data = deSerializeString(is);
 138         std::istringstream tmp_is(data, std::ios::binary);
 139         return content_nodemeta_deserialize_legacy_body(tmp_is, id, meta);
 140 }
 141
 142 void content_nodemeta_deserialize_legacy(std::istream &is,
 143                 NodeMetadataList *meta, NodeTimerList *timers,
 144                 IGameDef *gamedef)
 145 {
 146         meta->clear();
 147         timers->clear();
 148
 149         u16 version = readU16(is);
 150
 151         if(version > 1)
 152         {
 153                 infostream<<__FUNCTION_NAME<<": version "<<version<<" not supported"
 154                                 <<std::endl;
 155                 throw SerializationError(__FUNCTION_NAME);
 156         }
 157
 158         u16 count = readU16(is);
 159
 160         for(u16 i=0; i<count; i++)
 161         {
 162                 u16 p16 = readU16(is);
 163
 164                 v3s16 p(0,0,0);
 165                 p.Z += p16 / MAP_BLOCKSIZE / MAP_BLOCKSIZE;
 166                 p16 -= p.Z * MAP_BLOCKSIZE * MAP_BLOCKSIZE;
 167                 p.Y += p16 / MAP_BLOCKSIZE;
 168                 p16 -= p.Y * MAP_BLOCKSIZE;
 169                 p.X += p16;
 170
 171                 if(meta->get(p) != NULL)
 172                 {
 173                         infostream<<"WARNING: "<<__FUNCTION_NAME<<": "
 174                                         <<"already set data at position"
 175                                         <<"("<<p.X<<","<<p.Y<<","<<p.Z<<"): Ignoring."
 176                                         <<std::endl;
 177                         continue;
 178                 }
 179
 180                 NodeMetadata *data = new NodeMetadata(gamedef);
 181                 bool need_timer = content_nodemeta_deserialize_legacy_meta(is, data);
 182                 meta->set(p, data);
 183
 184                 if(need_timer)
 185                         timers->set(p, NodeTimer(1., 0.));
 186         }
 187 }
 188
 189 void content_nodemeta_serialize_legacy(std::ostream &os, NodeMetadataList *meta)
 190 {
 191         // Sorry, I was too lazy to implement this. --kahrl
 192         writeU16(os, 1); // version
 193         writeU16(os, 0); // count
 194 }
 195
 196 // END