aboutsummaryrefslogtreecommitdiff
path: root/games/minimal/mods/default/textures/default_tool_woodshovel.png
Commit message (Expand)AuthorAge
* Compress texturesDavid Gumberg2013-06-18
* Move games/minetest to games/minimal and update README.txtPerttu Ahola2012-03-26
href='#n58'>58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186
/*
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.
*/

#include "debug.h"
#include "filesys.h"
#include "log.h"
#include "mapgen/mapgen.h"
#include "settings.h"

#include "map_settings_manager.h"

MapSettingsManager::MapSettingsManager(const std::string &map_meta_path):
	m_map_meta_path(map_meta_path)
{
	m_map_settings = Settings::createLayer(SL_MAP, "[end_of_params]");
	Mapgen::setDefaultSettings(Settings::getLayer(SL_DEFAULTS));
}


MapSettingsManager::~MapSettingsManager()
{
	delete m_map_settings;
	delete mapgen_params;
}


bool MapSettingsManager::getMapSetting(
	const std::string &name, std::string *value_out)
{
	// Get from map_meta.txt, then try from all other sources
	if (m_map_settings->getNoEx(name, *value_out))
		return true;

	// Compatibility kludge
	if (name == "seed")
		return Settings::getLayer(SL_GLOBAL)->getNoEx("fixed_map_seed", *value_out);

	return false;
}


bool MapSettingsManager::getMapSettingNoiseParams(
	const std::string &name, NoiseParams *value_out)
{
	// TODO: Rename to "getNoiseParams"
	return m_map_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
		Settings::getLayer(SL_GLOBAL)->set(name, value);

	return true;
}


bool MapSettingsManager::setMapSettingNoiseParams(
	const std::string &name, const NoiseParams *value, bool override_meta)
{
	if (mapgen_params)
		return false;

	if (override_meta)
		m_map_settings->setNoiseParams(name, *value);
	else
		Settings::getLayer(SL_GLOBAL)->setNoiseParams(name, *value);

	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)) {
		errorstream << "loadMapMeta: Format error. '[end_of_params]' missing?" << std::endl;
		return false;
	}

	return true;
}


bool MapSettingsManager::saveMapMeta()
{
	// If mapgen params haven't been created yet; abort
	if (!mapgen_params) {
		infostream << "saveMapMeta: mapgen_params not present! "
			<< "Server startup was probably interrupted." << std::endl;
		return false;
	}

	// Paths set up by subgames.cpp, but not in unittests
	if (!fs::CreateAllDirs(fs::RemoveLastPathComponent(m_map_meta_path))) {
		errorstream << "saveMapMeta: could not create dirs to "
			<< m_map_meta_path;
		return false;
	}

	mapgen_params->MapgenParams::writeParams(m_map_settings);
	mapgen_params->writeParams(m_map_settings);

	if (!m_map_settings->updateConfigFile(m_map_meta_path.c_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_map_settings != NULL);

	// At this point, we have (in order of precedence):
	// 1). SL_MAP containing map_meta.txt settings or
	//     explicit overrides from scripts
	// 2). SL_GLOBAL containing all user-specified config file
	//     settings
	// 3). SL_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)
		return nullptr;

	params->mgtype = mgtype;

	// Load the rest of the mapgen params from our active settings
	params->MapgenParams::readParams(m_map_settings);
	params->readParams(m_map_settings);

	// Hold onto our params
	mapgen_params = params;

	return params;
}