]> git.lizzy.rs Git - minetest.git/blobdiff - src/content_nodemeta.cpp
(se)SerializeString: Include max length in the name
[minetest.git] / src / content_nodemeta.cpp
index 7c0e817f8576a10606d883f28672d7a103bb7198..39743c11f73e76f3dac64547d1443a9b5a4d70c6 100644 (file)
 /*
-Minetest-c55
-Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
+Minetest
+Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
 
 This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
 (at your option) any later version.
 
 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
+GNU Lesser General Public License for more details.
 
-You should have received a copy of the GNU General Public License along
+You should have received a copy of the GNU Lesser General Public License along
 with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
 #include "content_nodemeta.h"
+#include "nodemetadata.h"
+#include "nodetimer.h"
 #include "inventory.h"
-#include "content_mapnode.h"
-
-/*
-       SignNodeMetadata
-*/
-
-// Prototype
-SignNodeMetadata proto_SignNodeMetadata("");
-
-SignNodeMetadata::SignNodeMetadata(std::string text):
-       m_text(text)
-{
-       NodeMetadata::registerType(typeId(), create);
-}
-u16 SignNodeMetadata::typeId() const
-{
-       return CONTENT_SIGN_WALL;
-}
-NodeMetadata* SignNodeMetadata::create(std::istream &is)
-{
-       std::string text = deSerializeString(is);
-       return new SignNodeMetadata(text);
-}
-NodeMetadata* SignNodeMetadata::clone()
-{
-       return new SignNodeMetadata(m_text);
-}
-void SignNodeMetadata::serializeBody(std::ostream &os)
-{
-       os<<serializeString(m_text);
-}
-std::string SignNodeMetadata::infoText()
-{
-       return std::string("\"")+m_text+"\"";
-}
-
-/*
-       ChestNodeMetadata
-*/
-
-// Prototype
-ChestNodeMetadata proto_ChestNodeMetadata;
-
-ChestNodeMetadata::ChestNodeMetadata()
-{
-       NodeMetadata::registerType(typeId(), create);
-       
-       m_inventory = new Inventory();
-       m_inventory->addList("0", 8*4);
-}
-ChestNodeMetadata::~ChestNodeMetadata()
-{
-       delete m_inventory;
-}
-u16 ChestNodeMetadata::typeId() const
-{
-       return CONTENT_CHEST;
-}
-NodeMetadata* ChestNodeMetadata::create(std::istream &is)
-{
-       ChestNodeMetadata *d = new ChestNodeMetadata();
-       d->m_inventory->deSerialize(is);
-       return d;
-}
-NodeMetadata* ChestNodeMetadata::clone()
-{
-       ChestNodeMetadata *d = new ChestNodeMetadata();
-       *d->m_inventory = *m_inventory;
-       return d;
-}
-void ChestNodeMetadata::serializeBody(std::ostream &os)
-{
-       m_inventory->serialize(os);
-}
-std::string ChestNodeMetadata::infoText()
-{
-       return "Chest";
-}
-bool ChestNodeMetadata::nodeRemovalDisabled()
-{
-       /*
-               Disable removal if chest contains something
-       */
-       InventoryList *list = m_inventory->getList("0");
-       if(list == NULL)
+#include "log.h"
+#include "serialization.h"
+#include "util/serialize.h"
+#include "util/string.h"
+#include "constants.h" // MAP_BLOCKSIZE
+#include <sstream>
+
+#define NODEMETA_GENERIC 1
+#define NODEMETA_SIGN 14
+#define NODEMETA_CHEST 15
+#define NODEMETA_FURNACE 16
+#define NODEMETA_LOCKABLE_CHEST 17
+
+// Returns true if node timer must be set
+static bool content_nodemeta_deserialize_legacy_body(
+               std::istream &is, s16 id, NodeMetadata *meta)
+{
+       meta->clear();
+
+       if(id == NODEMETA_GENERIC) // GenericNodeMetadata (0.4-dev)
+       {
+               meta->getInventory()->deSerialize(is);
+               deSerializeString32(is);  // m_text
+               deSerializeString16(is);  // m_owner
+
+               meta->setString("infotext",deSerializeString16(is));
+               meta->setString("formspec",deSerializeString16(is));
+               readU8(is);  // m_allow_text_input
+               readU8(is);  // m_allow_removal
+               readU8(is);  // m_enforce_owner
+
+               int num_vars = readU32(is);
+               for(int i=0; i<num_vars; i++){
+                       std::string name = deSerializeString16(is);
+                       std::string var = deSerializeString32(is);
+                       meta->setString(name, var);
+               }
                return false;
-       if(list->getUsedSlots() == 0)
+       }
+       else if(id == NODEMETA_SIGN) // SignNodeMetadata
+       {
+               meta->setString("text", deSerializeString16(is));
+               //meta->setString("infotext","\"${text}\"");
+               meta->setString("infotext",
+                               std::string("\"") + meta->getString("text") + "\"");
+               meta->setString("formspec","field[text;;${text}]");
                return false;
-       return true;
-}
-std::string ChestNodeMetadata::getInventoryDrawSpecString()
-{
-       return
-               "invsize[8,9;]"
-               "list[current_name;0;0,0;8,4;]"
-               "list[current_player;main;0,5;8,4;]";
-}
-
-/*
-       FurnaceNodeMetadata
-*/
-
-// Prototype
-FurnaceNodeMetadata proto_FurnaceNodeMetadata;
-
-FurnaceNodeMetadata::FurnaceNodeMetadata()
-{
-       NodeMetadata::registerType(typeId(), create);
-       
-       m_inventory = new Inventory();
-       m_inventory->addList("fuel", 1);
-       m_inventory->addList("src", 1);
-       m_inventory->addList("dst", 4);
-
-       m_step_accumulator = 0;
-       m_fuel_totaltime = 0;
-       m_fuel_time = 0;
-       m_src_totaltime = 0;
-       m_src_time = 0;
-}
-FurnaceNodeMetadata::~FurnaceNodeMetadata()
-{
-       delete m_inventory;
-}
-u16 FurnaceNodeMetadata::typeId() const
-{
-       return CONTENT_FURNACE;
-}
-NodeMetadata* FurnaceNodeMetadata::clone()
-{
-       FurnaceNodeMetadata *d = new FurnaceNodeMetadata();
-       *d->m_inventory = *m_inventory;
-       return d;
-}
-NodeMetadata* FurnaceNodeMetadata::create(std::istream &is)
-{
-       FurnaceNodeMetadata *d = new FurnaceNodeMetadata();
-
-       d->m_inventory->deSerialize(is);
+       }
+       else if(id == NODEMETA_CHEST) // ChestNodeMetadata
+       {
+               meta->getInventory()->deSerialize(is);
 
-       int temp;
-       is>>temp;
-       d->m_fuel_totaltime = (float)temp/10;
-       is>>temp;
-       d->m_fuel_time = (float)temp/10;
+               // Rename inventory list "0" to "main"
+               Inventory *inv = meta->getInventory();
+               if(!inv->getList("main") && inv->getList("0")){
+                       inv->getList("0")->setName("main");
+               }
+               assert(inv->getList("main") && !inv->getList("0"));
 
-       return d;
-}
-void FurnaceNodeMetadata::serializeBody(std::ostream &os)
-{
-       m_inventory->serialize(os);
-       os<<itos(m_fuel_totaltime*10)<<" ";
-       os<<itos(m_fuel_time*10)<<" ";
-}
-std::string FurnaceNodeMetadata::infoText()
-{
-       //return "Furnace";
-       if(m_fuel_time >= m_fuel_totaltime)
+               meta->setString("formspec","size[8,9]"
+                               "list[current_name;main;0,0;8,4;]"
+                               "list[current_player;main;0,5;8,4;]");
+               return false;
+       }
+       else if(id == NODEMETA_LOCKABLE_CHEST) // LockingChestNodeMetadata
        {
-               const InventoryList *src_list = m_inventory->getList("src");
-               assert(src_list);
-               const InventoryItem *src_item = src_list->getItem(0);
+               meta->setString("owner", deSerializeString16(is));
+               meta->getInventory()->deSerialize(is);
 
-               if(src_item) {
-                       InventoryList *dst_list = m_inventory->getList("dst");
-                       if(!dst_list->roomForCookedItem(src_item))
-                               return "Furnace is overloaded";
-                       return "Furnace is out of fuel";
+               // Rename inventory list "0" to "main"
+               Inventory *inv = meta->getInventory();
+               if(!inv->getList("main") && inv->getList("0")){
+                       inv->getList("0")->setName("main");
                }
-               else
-                       return "Furnace is inactive";
+               assert(inv->getList("main") && !inv->getList("0"));
+
+               meta->setString("formspec","size[8,9]"
+                               "list[current_name;main;0,0;8,4;]"
+                               "list[current_player;main;0,5;8,4;]");
+               return false;
+       }
+       else if(id == NODEMETA_FURNACE) // FurnaceNodeMetadata
+       {
+               meta->getInventory()->deSerialize(is);
+               int temp = 0;
+               is>>temp;
+               meta->setString("fuel_totaltime", ftos((float)temp/10));
+               temp = 0;
+               is>>temp;
+               meta->setString("fuel_time", ftos((float)temp/10));
+               temp = 0;
+               is>>temp;
+               //meta->setString("src_totaltime", ftos((float)temp/10));
+               temp = 0;
+               is>>temp;
+               meta->setString("src_time", ftos((float)temp/10));
+
+               meta->setString("formspec","size[8,9]"
+                       "list[current_name;fuel;2,3;1,1;]"
+                       "list[current_name;src;2,1;1,1;]"
+                       "list[current_name;dst;5,1;2,2;]"
+                       "list[current_player;main;0,5;8,4;]");
+               return true;
        }
        else
        {
-               std::string s = "Furnace is active";
-               // Do this so it doesn't always show (0%) for weak fuel
-               if(m_fuel_totaltime > 3) {
-                       s += " (";
-                       s += itos(m_fuel_time/m_fuel_totaltime*100);
-                       s += "%)";
-               }
-               return s;
+               throw SerializationError("Unknown legacy node metadata");
        }
 }
-void FurnaceNodeMetadata::inventoryModified()
+
+static bool content_nodemeta_deserialize_legacy_meta(
+               std::istream &is, NodeMetadata *meta)
 {
-       dstream<<"Furnace inventory modification callback"<<std::endl;
+       // Read id
+       s16 id = readS16(is);
+
+       // Read data
+       std::string data = deSerializeString16(is);
+       std::istringstream tmp_is(data, std::ios::binary);
+       return content_nodemeta_deserialize_legacy_body(tmp_is, id, meta);
 }
-bool FurnaceNodeMetadata::step(float dtime)
+
+void content_nodemeta_deserialize_legacy(std::istream &is,
+               NodeMetadataList *meta, NodeTimerList *timers,
+               IItemDefManager *item_def_mgr)
 {
-       if(dtime > 60.0)
-               dstream<<"Furnace stepping a long time ("<<dtime<<")"<<std::endl;
-       // Update at a fixed frequency
-       const float interval = 2.0;
-       m_step_accumulator += dtime;
-       bool changed = false;
-       while(m_step_accumulator > interval)
+       meta->clear();
+       timers->clear();
+
+       u16 version = readU16(is);
+
+       if(version > 1)
        {
-               m_step_accumulator -= interval;
-               dtime = interval;
+               infostream<<FUNCTION_NAME<<": version "<<version<<" not supported"
+                               <<std::endl;
+               throw SerializationError(FUNCTION_NAME);
+       }
 
-               //dstream<<"Furnace step dtime="<<dtime<<std::endl;
-               
-               InventoryList *dst_list = m_inventory->getList("dst");
-               assert(dst_list);
+       u16 count = readU16(is);
 
-               InventoryList *src_list = m_inventory->getList("src");
-               assert(src_list);
-               const InventoryItem *src_item = src_list->getItem(0);
-               
-               bool room_available = false;
-               
-               if(src_item && src_item->isCookable())
-                       room_available = dst_list->roomForCookedItem(src_item);
-               
-               // Start only if there are free slots in dst, so that it can
-               // accomodate any result item
-               if(room_available)
-               {
-                       m_src_totaltime = 3;
-               }
-               else
-               {
-                       m_src_time = 0;
-                       m_src_totaltime = 0;
-               }
-               
-               /*
-                       If fuel is burning, increment the burn counters.
-                       If item finishes cooking, move it to result.
-               */
-               if(m_fuel_time < m_fuel_totaltime)
-               {
-                       //dstream<<"Furnace is active"<<std::endl;
-                       m_fuel_time += dtime;
-                       m_src_time += dtime;
-                       if(m_src_time >= m_src_totaltime && m_src_totaltime > 0.001
-                                       && src_item)
-                       {
-                               InventoryItem *cookresult = src_item->createCookResult();
-                               dst_list->addItem(cookresult);
-                               src_list->decrementMaterials(1);
-                               m_src_time = 0;
-                               m_src_totaltime = 0;
-                       }
-                       changed = true;
-                       
-                       // Fall through if the fuel item was used up this step
-                       if(m_fuel_time < m_fuel_totaltime)
-                               continue;
-               }
-               
-               /*
-                       If there is no source item or source item is not cookable,
-                       or furnace became overloaded, stop loop.
-               */
-               if((m_fuel_time < m_fuel_totaltime || dst_list->roomForCookedItem(src_item) == false)
-                       && (src_item == NULL || m_src_totaltime < 0.001))
-               {
-                       m_step_accumulator = 0;
-                       break;
-               }
-               
-               //dstream<<"Furnace is out of fuel"<<std::endl;
+       for(u16 i=0; i<count; i++)
+       {
+               u16 p16 = readU16(is);
 
-               InventoryList *fuel_list = m_inventory->getList("fuel");
-               assert(fuel_list);
-               const InventoryItem *fuel_item = fuel_list->getItem(0);
+               v3s16 p(0,0,0);
+               p.Z += p16 / MAP_BLOCKSIZE / MAP_BLOCKSIZE;
+               p16 -= p.Z * MAP_BLOCKSIZE * MAP_BLOCKSIZE;
+               p.Y += p16 / MAP_BLOCKSIZE;
+               p16 -= p.Y * MAP_BLOCKSIZE;
+               p.X += p16;
 
-               if(ItemSpec(ITEM_MATERIAL, CONTENT_TREE).checkItem(fuel_item))
-               {
-                       m_fuel_totaltime = 30;
-                       m_fuel_time = 0;
-                       fuel_list->decrementMaterials(1);
-                       changed = true;
-               }
-               else if(ItemSpec(ITEM_MATERIAL, CONTENT_JUNGLETREE).checkItem(fuel_item))
-               {
-                       m_fuel_totaltime = 30;
-                       m_fuel_time = 0;
-                       fuel_list->decrementMaterials(1);
-                       changed = true;
-               }
-               else if(ItemSpec(ITEM_MATERIAL, CONTENT_FENCE).checkItem(fuel_item))
-               {
-                       m_fuel_totaltime = 30/2;
-                       m_fuel_time = 0;
-                       fuel_list->decrementMaterials(1);
-                       changed = true;
-               }
-               else if(ItemSpec(ITEM_MATERIAL, CONTENT_WOOD).checkItem(fuel_item))
-               {
-                       m_fuel_totaltime = 30/4;
-                       m_fuel_time = 0;
-                       fuel_list->decrementMaterials(1);
-                       changed = true;
-               }
-               else if(ItemSpec(ITEM_MATERIAL, CONTENT_BOOKSHELF).checkItem(fuel_item))
-               {
-                       m_fuel_totaltime = 30/4;
-                       m_fuel_time = 0;
-                       fuel_list->decrementMaterials(1);
-                       changed = true;
-               }
-               else if(ItemSpec(ITEM_MATERIAL, CONTENT_LEAVES).checkItem(fuel_item))
-               {
-                       m_fuel_totaltime = 30/16;
-                       m_fuel_time = 0;
-                       fuel_list->decrementMaterials(1);
-                       changed = true;
-               }
-               else if(ItemSpec(ITEM_MATERIAL, CONTENT_PAPYRUS).checkItem(fuel_item))
-               {
-                       m_fuel_totaltime = 30/32;
-                       m_fuel_time = 0;
-                       fuel_list->decrementMaterials(1);
-                       changed = true;
-               }
-               else if(ItemSpec(ITEM_MATERIAL, CONTENT_JUNGLEGRASS).checkItem(fuel_item))
+               if(meta->get(p) != NULL)
                {
-                       m_fuel_totaltime = 30/32;
-                       m_fuel_time = 0;
-                       fuel_list->decrementMaterials(1);
-                       changed = true;
+                       warningstream<<FUNCTION_NAME<<": "
+                                       <<"already set data at position"
+                                       <<"("<<p.X<<","<<p.Y<<","<<p.Z<<"): Ignoring."
+                                       <<std::endl;
+                       continue;
                }
-               else if(ItemSpec(ITEM_MATERIAL, CONTENT_CACTUS).checkItem(fuel_item))
-               {
-                       m_fuel_totaltime = 30/4;
-                       m_fuel_time = 0;
-                       fuel_list->decrementMaterials(1);
-                       changed = true;
-               }
-               else if(ItemSpec(ITEM_CRAFT, "Stick").checkItem(fuel_item))
-               {
-                       m_fuel_totaltime = 30/4/4;
-                       m_fuel_time = 0;
-                       fuel_list->decrementMaterials(1);
-                       changed = true;
-               }
-               else if(ItemSpec(ITEM_CRAFT, "lump_of_coal").checkItem(fuel_item))
-               {
-                       m_fuel_totaltime = 40;
-                       m_fuel_time = 0;
-                       fuel_list->decrementMaterials(1);
-                       changed = true;
-               }
-               else
-               {
-                       //dstream<<"No fuel found"<<std::endl;
-                       // No fuel, stop loop.
-                       m_step_accumulator = 0;
-                       break;
-               }
-       }
-       return changed;
-}
-std::string FurnaceNodeMetadata::getInventoryDrawSpecString()
-{
-       return
-               "invsize[8,9;]"
-               "list[current_name;fuel;2,3;1,1;]"
-               "list[current_name;src;2,1;1,1;]"
-               "list[current_name;dst;5,1;2,2;]"
-               "list[current_player;main;0,5;8,4;]";
-}
 
+               NodeMetadata *data = new NodeMetadata(item_def_mgr);
+               bool need_timer = content_nodemeta_deserialize_legacy_meta(is, data);
+               meta->set(p, data);
 
+               if(need_timer)
+                       timers->set(NodeTimer(1., 0., p));
+       }
+}