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484d926c30
since we don't use t_string's == operator anymore in this case, c["a"] != "" will evaluate to true in case of "a" beeing not existent. To get the desired behaviour we need to use the .empty() method. I also add an assert in map_generation for a possible segfault that i noticed during fixing this.
75 lines
2.5 KiB
C++
75 lines
2.5 KiB
C++
/*
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Copyright (C) 2003 - 2014 by David White <dave@whitevine.net>
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Part of the Battle for Wesnoth Project http://www.wesnoth.org/
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY.
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See the COPYING file for more details.
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*/
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#include "global.hpp"
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#include "map_create.hpp"
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#include "generators/cavegen.hpp"
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#include "generators/yamg/ya_mapgen.hpp"
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#include "log.hpp"
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#include "mapgen_dialog.hpp"
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#include "scoped_resource.hpp"
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#include "serialization/string_utils.hpp"
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#include <cassert>
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static lg::log_domain log_config("config");
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#define ERR_CF LOG_STREAM(err, log_config)
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map_generator* create_map_generator(const std::string& name, const config &cfg)
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{
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if(name == "default" || name == "") {
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return new default_map_generator(cfg);
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} else if(name == "cave") {
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return new cave_map_generator(cfg);
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} else if(name == "yamg") {
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return new ya_mapgen(cfg);
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} else {
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return NULL;
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}
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}
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//function to generate a random map, from a string which describes
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//the generator to use and its arguments
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std::string random_generate_map(const std::string& parms, const config &cfg)
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{
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//the first token is the name of the generator, tokens after
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//that are arguments to the generator
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std::vector<std::string> parameters = utils::split(parms, ' ');
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assert(!parameters.empty()); //we use parameters.front() in the next line.
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util::scoped_ptr<map_generator> generator(create_map_generator(parameters.front(),cfg));
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if(generator == NULL) {
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ERR_CF << "could not find map generator '" << parameters.front() << "'" << std::endl;
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return std::string();
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}
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parameters.erase(parameters.begin());
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return generator.get()->create_map(parameters);
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}
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config random_generate_scenario(const std::string& parms, const config &cfg)
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{
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//the first token is the name of the generator, tokens after
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//that are arguments to the generator
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std::vector<std::string> parameters = utils::split(parms, ' ');
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util::scoped_ptr<map_generator> generator(create_map_generator(parameters.front(),cfg));
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if(generator == NULL) {
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ERR_CF << "could not find map generator '" << parameters.front() << "'" << std::endl;
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return config();
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}
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parameters.erase(parameters.begin());
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return generator->create_scenario(parameters);
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}
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