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/*
Minetest
Copyright (C) 2010-2013 kwolekr, Ryan Kwolek <kwolekr@minetest.net>
This program is free software; you can redistribute it and/or modify
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 Lesser General Public License for more details.
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/*
Minetest
Copyright (C) 2010-2013 kwolekr, Ryan Kwolek <kwolekr@minetest.net>
This program is free software; you can redistribute it and/or modify
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 Lesser General Public License for more details.
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.
*/
#ifndef MG_BIOME_HEADER
#define MG_BIOME_HEADER
#include "objdef.h"
#include "nodedef.h"
#include "noise.h"
class Server;
class Settings;>!= NULL);
}
MapSettingsManager::~MapSettingsManager()
{
delete m_map_settings;
delete mapgen_params;
}
bool MapSettingsManager::getMapSetting(
const std::string &name, std::string *value_out)
{
if (m_map_settings->getNoEx(name, *value_out))
return true;
// Compatibility kludge
if (m_user_settings == g_settings && name == "seed")
return m_user_settings->getNoEx("fixed_map_seed", *value_out);
return m_user_settings->getNoEx(name, *value_out);
}
bool MapSettingsManager::getMapSettingNoiseParams(
const std::string &name, NoiseParams *value_out)
{
return m_map_settings->getNoiseParams(name, *value_out) ||
m_user_settings->getNoiseParams(name, *value_out);
}
bool MapSettingsManager::setMapSetting(
const std::string &name, const std::string &value, bool override_meta)
{
if (mapgen_params)
return false;
if (override_meta)
m_map_settings->set(name, value);
else
m_map_settings->setDefault(name, value);
return true;
}
bool MapSettingsManager::setMapSettingNoiseParams(
const std::string &name, const NoiseParams *value, bool override_meta)
{
if (mapgen_params)
return false;
m_map_settings->setNoiseParams(name, *value, !override_meta);
return true;
}
bool MapSettingsManager::loadMapMeta()
{
std::ifstream is(m_map_meta_path.c_str(), std::ios_base::binary);
if (!is.good()) {
errorstream << "loadMapMeta: could not open "
<< m_map_meta_path << std::endl;
return false;
}
if (!m_map_settings->parseConfigLines(is, "[end_of_params]")) {
errorstream << "loadMapMeta: [end_of_params] not found!" << std::endl;
return false;
}
return true;
}
bool MapSettingsManager::saveMapMeta()
{
// If mapgen params haven't been created yet; abort
if (!mapgen_params)
return false;
if (!fs::CreateAllDirs(fs::RemoveLastPathComponent(m_map_meta_path))) {
errorstream << "saveMapMeta: could not create dirs to "
<< m_map_meta_path;
return false;
}
std::ostringstream oss(std::ios_base::binary);
Settings conf;
mapgen_params->MapgenParams::writeParams(&conf);
mapgen_params->writeParams(&conf);
conf.writeLines(oss);
// NOTE: If there are ever types of map settings other than
// those relating to map generation, save them here
oss << "[end_of_params]\n";
if (!fs::safeWriteToFile(m_map_meta_path, oss.str())) {
errorstream << "saveMapMeta: could not write "
<< m_map_meta_path << std::endl;
return false;
}
return true;
}
MapgenParams *MapSettingsManager::makeMapgenParams()
{
if (mapgen_params)
return mapgen_params;
assert(m_user_settings != NULL);
assert(m_map_settings != NULL);
// At this point, we have (in order of precedence):
// 1). m_mapgen_settings->m_settings containing map_meta.txt settings or
// explicit overrides from scripts
// 2). m_mapgen_settings->m_defaults containing script-set mgparams without
// overrides
// 3). g_settings->m_settings containing all user-specified config file
// settings
// 4). g_settings->m_defaults containing any low-priority settings from
// scripts, e.g. mods using Lua as an enhanced config file)
// Now, get the mapgen type so we can create the appropriate MapgenParams
std::string mg_name;
MapgenType mgtype = getMapSetting("mg_name", &mg_name) ?
Mapgen::getMapgenType(mg_name) : MAPGEN_DEFAULT;
if (mgtype == MAPGEN_INVALID) {
errorstream << "EmergeManager: mapgen '" << mg_name <<
"' not valid; falling back to " <<
Mapgen::getMapgenName(MAPGEN_DEFAULT) << std::endl;
mgtype = MAPGEN_DEFAULT;
}
// Create our MapgenParams
MapgenParams *params = Mapgen::createMapgenParams(mgtype);
if (params == NULL)
return NULL;
params->mgtype = mgtype;
// Load the rest of the mapgen params from our active settings
params->MapgenParams::readParams(m_user_settings);
params->MapgenParams::readParams(m_map_settings);
params->readParams(m_user_settings);
params->readParams(m_map_settings);
// Hold onto our params
mapgen_params = params;
return params;
}
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