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","\"${text}\"");
  61                 meta->setString("formspec","field[text;;${text}]");
  62                 return false;
  63         }
  64         else if(id == NODEMETA_CHEST) // ChestNodeMetadata
  65         {
  66                 meta->getInventory()->deSerialize(is);
  67
  68                 // Rename inventory list "0" to "main"
  69                 Inventory *inv = meta->getInventory();
  70                 if(!inv->getList("main") && inv->getList("0")){
  71                         inv->addList("main", 8*4);
  72                         *inv->getList("main") = *inv->getList("0");
  73                         inv->deleteList("0");
  74                 }
  75
  76                 meta->setString("formspec","invsize[8,9;]"
  77                                 "list[current_name;main;0,0;8,4;]"
  78                                 "list[current_player;main;0,5;8,4;]");
  79                 return false;
  80         }
  81         else if(id == NODEMETA_LOCKABLE_CHEST) // LockingChestNodeMetadata
  82         {
  83                 meta->setString("owner", deSerializeString(is));
  84                 meta->getInventory()->deSerialize(is);
  85
  86                 // Rename inventory list "0" to "main"
  87                 Inventory *inv = meta->getInventory();
  88                 if(!inv->getList("main") && inv->getList("0")){
  89                         inv->addList("main", 8*4);
  90                         *inv->getList("main") = *inv->getList("0");
  91                         inv->deleteList("0");
  92                 }
  93
  94                 meta->setString("formspec","invsize[8,9;]"
  95                                 "list[current_name;main;0,0;8,4;]"
  96                                 "list[current_player;main;0,5;8,4;]");
  97                 return false;
  98         }
  99         else if(id == NODEMETA_FURNACE) // FurnaceNodeMetadata
 100         {
 101                 meta->getInventory()->deSerialize(is);
 102                 int temp = 0;
 103                 is>>temp;
 104                 meta->setString("fuel_totaltime", ftos((float)temp/10));
 105                 temp = 0;
 106                 is>>temp;
 107                 meta->setString("fuel_time", ftos((float)temp/10));
 108                 temp = 0;
 109                 is>>temp;
 110                 //meta->setString("src_totaltime", ftos((float)temp/10));
 111                 temp = 0;
 112                 is>>temp;
 113                 meta->setString("src_time", ftos((float)temp/10));
 114
 115                 meta->setString("formspec","invsize[8,9;]"
 116                         "list[current_name;fuel;2,3;1,1;]"
 117                         "list[current_name;src;2,1;1,1;]"
 118                         "list[current_name;dst;5,1;2,2;]"
 119                         "list[current_player;main;0,5;8,4;]");
 120                 return true;
 121         }
 122         else
 123         {
 124                 throw SerializationError("Unknown legacy node metadata");
 125         }
 126 }
 127
 128 static bool content_nodemeta_deserialize_legacy_meta(
 129                 std::istream &is, NodeMetadata *meta)
 130 {
 131         // Read id
 132         s16 id = readS16(is);
 133
 134         // Read data
 135         std::string data = deSerializeString(is);
 136         std::istringstream tmp_is(data, std::ios::binary);
 137         return content_nodemeta_deserialize_legacy_body(tmp_is, id, meta);
 138 }
 139
 140 void content_nodemeta_deserialize_legacy(std::istream &is,
 141                 NodeMetadataList *meta, NodeTimerList *timers,
 142                 IGameDef *gamedef)
 143 {
 144         meta->clear();
 145         timers->clear();
 146
 147         u16 version = readU16(is);
 148
 149         if(version > 1)
 150         {
 151                 infostream<<__FUNCTION_NAME<<": version "<<version<<" not supported"
 152                                 <<std::endl;
 153                 throw SerializationError(__FUNCTION_NAME);
 154         }
 155
 156         u16 count = readU16(is);
 157
 158         for(u16 i=0; i<count; i++)
 159         {
 160                 u16 p16 = readU16(is);
 161
 162                 v3s16 p(0,0,0);
 163                 p.Z += p16 / MAP_BLOCKSIZE / MAP_BLOCKSIZE;
 164                 p16 -= p.Z * MAP_BLOCKSIZE * MAP_BLOCKSIZE;
 165                 p.Y += p16 / MAP_BLOCKSIZE;
 166                 p16 -= p.Y * MAP_BLOCKSIZE;
 167                 p.X += p16;
 168
 169                 if(meta->get(p) != NULL)
 170                 {
 171                         infostream<<"WARNING: "<<__FUNCTION_NAME<<": "
 172                                         <<"already set data at position"
 173                                         <<"("<<p.X<<","<<p.Y<<","<<p.Z<<"): Ignoring."
 174                                         <<std::endl;
 175                         continue;
 176                 }
 177
 178                 NodeMetadata *data = new NodeMetadata(gamedef);
 179                 bool need_timer = content_nodemeta_deserialize_legacy_meta(is, data);
 180                 meta->set(p, data);
 181
 182                 if(need_timer)
 183                         timers->set(p, NodeTimer(1., 0.));
 184         }
 185 }
 186
 187 void content_nodemeta_serialize_legacy(std::ostream &os, NodeMetadataList *meta)
 188 {
 189         // Sorry, I was too lazy to implement this. --kahrl
 190         writeU16(os, 1); // version
 191         writeU16(os, 0); // count
 192 }
 193
 194 // END