mirror of
https://github.com/wesnoth/wesnoth
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95 lines
2.5 KiB
C++
95 lines
2.5 KiB
C++
/*
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Copyright (C) 2014 - 2015 by Chris Beck <render787@gmail.com>
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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 "unit_formula_manager.hpp"
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#include "callable_objects.hpp"
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#include "config.hpp"
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#include "formula.hpp"
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#include "formula_string_utils.hpp"
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#include "map_location.hpp"
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#include <boost/foreach.hpp>
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bool unit_formula_manager::matches_filter(const std::string & cfg_formula, const map_location & loc, const unit & me)
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{
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const unit_callable callable(loc,me);
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const game_logic::formula form(cfg_formula);
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if(!form.evaluate(callable).as_bool()) {///@todo use formula_ai
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return false;
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}
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return true;
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}
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void unit_formula_manager::add_formula_var(std::string str, variant var)
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{
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if(!formula_vars_) formula_vars_ = new game_logic::map_formula_callable;
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formula_vars_->add(str, var);
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}
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void unit_formula_manager::read(const config & ai)
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{
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unit_formula_ = ai["formula"].str();
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unit_loop_formula_ = ai["loop_formula"].str();
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unit_priority_formula_ = ai["priority"].str();
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if (const config &ai_vars = ai.child("vars"))
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{
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formula_vars_ = new game_logic::map_formula_callable;
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variant var;
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BOOST_FOREACH(const config::attribute &i, ai_vars.attribute_range()) {
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var.serialize_from_string(i.second);
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formula_vars_->add(i.first, var);
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}
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} else {
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formula_vars_ = game_logic::map_formula_callable_ptr();
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}
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}
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void unit_formula_manager::write(config & cfg)
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{
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if ( has_formula() || has_loop_formula() || (formula_vars_ && formula_vars_->empty() == false) ) {
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config &ai = cfg.add_child("ai");
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if (has_formula())
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ai["formula"] = unit_formula_;
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if (has_loop_formula())
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ai["loop_formula"] = unit_loop_formula_;
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if (has_priority_formula())
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ai["priority"] = unit_priority_formula_;
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if (formula_vars_ && formula_vars_->empty() == false)
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{
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config &ai_vars = ai.add_child("vars");
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std::string str;
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for(game_logic::map_formula_callable::const_iterator i = formula_vars_->begin(); i != formula_vars_->end(); ++i)
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{
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i->second.serialize_to_string(str);
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if (!str.empty())
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{
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ai_vars[i->first] = str;
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str.clear();
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}
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}
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}
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}
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}
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