/*
-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 "nodemetadata.h"
-#include "utility.h"
#include "exceptions.h"
#include "gamedef.h"
#include "inventory.h"
-#include <sstream>
#include "log.h"
+#include "util/serialize.h"
+#include "constants.h" // MAP_BLOCKSIZE
+#include <sstream>
/*
NodeMetadata
*/
-NodeMetadata::NodeMetadata(IGameDef *gamedef):
+NodeMetadata::NodeMetadata(IItemDefManager *item_def_mgr):
m_stringvars(),
- m_inventory(new Inventory(gamedef->idef())),
- m_inventorydrawspec(""),
- m_formspec(""),
- m_infotext(""),
- m_allow_removal(true)
+ m_inventory(new Inventory(item_def_mgr))
{
}
{
int num_vars = m_stringvars.size();
writeU32(os, num_vars);
- for(std::map<std::string, std::string>::const_iterator
- i = m_stringvars.begin(); i != m_stringvars.end(); i++){
- os<<serializeString(i->first);
- os<<serializeLongString(i->second);
+ for (StringMap::const_iterator
+ it = m_stringvars.begin();
+ it != m_stringvars.end(); ++it) {
+ os << serializeString(it->first);
+ os << serializeLongString(it->second);
}
m_inventory->serialize(os);
- os<<serializeString(m_inventorydrawspec);
- os<<serializeString(m_formspec);
- os<<serializeString(m_infotext);
- writeU8(os, m_allow_removal);
}
void NodeMetadata::deSerialize(std::istream &is)
}
m_inventory->deSerialize(is);
- m_inventorydrawspec = deSerializeString(is);
- m_formspec = deSerializeString(is);
- m_infotext = deSerializeString(is);
- m_allow_removal = readU8(is);
}
void NodeMetadata::clear()
{
m_stringvars.clear();
m_inventory->clear();
- m_inventorydrawspec = "";
- m_formspec = "";
- m_infotext = "";
- m_allow_removal = true;
}
/*
Version 0 is a placeholder for "nothing to see here; go away."
*/
- if(m_data.size() == 0){
+ if(m_data.empty()){
writeU8(os, 0); // version
return;
}
for(std::map<v3s16, NodeMetadata*>::const_iterator
i = m_data.begin();
- i != m_data.end(); i++)
+ i != m_data.end(); ++i)
{
v3s16 p = i->first;
NodeMetadata *data = i->second;
- u16 p16 = p.Z*MAP_BLOCKSIZE*MAP_BLOCKSIZE + p.Y*MAP_BLOCKSIZE + p.X;
+ u16 p16 = p.Z * MAP_BLOCKSIZE * MAP_BLOCKSIZE + p.Y * MAP_BLOCKSIZE + p.X;
writeU16(os, p16);
data->serialize(os);
}
}
-void NodeMetadataList::deSerialize(std::istream &is, IGameDef *gamedef)
+void NodeMetadataList::deSerialize(std::istream &is, IItemDefManager *item_def_mgr)
{
- m_data.clear();
+ clear();
u8 version = readU8(is);
-
- if(version == 0){
+
+ if (version == 0) {
// Nothing
return;
}
- if(version != 1){
- infostream<<__FUNCTION_NAME<<": version "<<version<<" not supported"
- <<std::endl;
- throw SerializationError("NodeMetadataList::deSerialize");
+ if (version != 1) {
+ std::string err_str = std::string(__FUNCTION_NAME)
+ + ": version " + itos(version) + " not supported";
+ infostream << err_str << std::endl;
+ throw SerializationError(err_str);
}
u16 count = readU16(is);
- for(u16 i=0; i<count; i++)
- {
+ for (u16 i=0; i < count; i++) {
u16 p16 = readU16(is);
- 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;
+ v3s16 p;
+ p.Z = p16 / MAP_BLOCKSIZE / MAP_BLOCKSIZE;
+ p16 &= MAP_BLOCKSIZE * MAP_BLOCKSIZE - 1;
+ p.Y = p16 / MAP_BLOCKSIZE;
+ p16 &= MAP_BLOCKSIZE - 1;
+ p.X = p16;
- if(m_data.find(p) != m_data.end())
- {
+ if (m_data.find(p) != m_data.end()) {
infostream<<"WARNING: NodeMetadataList::deSerialize(): "
<<"already set data at position"
<<"("<<p.X<<","<<p.Y<<","<<p.Z<<"): Ignoring."
continue;
}
- NodeMetadata *data = new NodeMetadata(gamedef);
+ NodeMetadata *data = new NodeMetadata(item_def_mgr);
data->deSerialize(is);
m_data[p] = data;
}
clear();
}
-NodeMetadata* NodeMetadataList::get(v3s16 p)
+std::vector<v3s16> NodeMetadataList::getAllKeys()
{
- std::map<v3s16, NodeMetadata*>::const_iterator n = m_data.find(p);
- if(n == m_data.end())
+ std::vector<v3s16> keys;
+
+ std::map<v3s16, NodeMetadata *>::const_iterator it;
+ for (it = m_data.begin(); it != m_data.end(); ++it)
+ keys.push_back(it->first);
+
+ return keys;
+}
+
+NodeMetadata *NodeMetadataList::get(v3s16 p)
+{
+ std::map<v3s16, NodeMetadata *>::const_iterator n = m_data.find(p);
+ if (n == m_data.end())
return NULL;
return n->second;
}
void NodeMetadataList::remove(v3s16 p)
{
NodeMetadata *olddata = get(p);
- if(olddata)
- {
+ if (olddata) {
delete olddata;
m_data.erase(p);
}
void NodeMetadataList::clear()
{
- for(std::map<v3s16, NodeMetadata*>::iterator
- i = m_data.begin();
- i != m_data.end(); i++)
- {
- delete i->second;
+ std::map<v3s16, NodeMetadata*>::iterator it;
+ for (it = m_data.begin(); it != m_data.end(); ++it) {
+ delete it->second;
}
m_data.clear();
}
+
+std::string NodeMetadata::getString(const std::string &name,
+ unsigned short recursion) const
+{
+ StringMap::const_iterator it = m_stringvars.find(name);
+ if (it == m_stringvars.end())
+ return "";
+
+ return resolveString(it->second, recursion);
+}
+
+void NodeMetadata::setString(const std::string &name, const std::string &var)
+{
+ if (var.empty()) {
+ m_stringvars.erase(name);
+ } else {
+ m_stringvars[name] = var;
+ }
+}
+
+std::string NodeMetadata::resolveString(const std::string &str,
+ unsigned short recursion) const
+{
+ if (recursion > 1) {
+ return str;
+ }
+ if (str.substr(0, 2) == "${" && str[str.length() - 1] == '}') {
+ return getString(str.substr(2, str.length() - 3), recursion + 1);
+ }
+ return str;
+}
+
projects / oweals / minetest.git / blobdiff