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0a1f02bbd2
...of the action queue it applies. Allows minor modifications of the side_actions while the future map is applied.
96 lines
2.0 KiB
C++
96 lines
2.0 KiB
C++
/* $Id$ */
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/*
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Copyright (C) 2010 by Gabriel Morin <gabrielmorin (at) gmail (dot) 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 version 2
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or 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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/**
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* @file mapbuilder_visitor.cpp
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*/
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#include "mapbuilder_visitor.hpp"
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#include "action.hpp"
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#include "attack.hpp"
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#include "move.hpp"
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#include "side_actions.hpp"
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#include "foreach.hpp"
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#include "unit.hpp"
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#include "unit_map.hpp"
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namespace wb
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{
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mapbuilder_visitor::mapbuilder_visitor(unit_map& unit_map, side_actions_ptr side_actions)
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: unit_map_(unit_map)
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, excluded_units_()
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, side_actions_(side_actions)
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, applied_actions_()
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, mode_(BUILD_PLANNED_MAP)
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{
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}
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mapbuilder_visitor::~mapbuilder_visitor()
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{
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restore_normal_map();
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}
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void mapbuilder_visitor::build_map()
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{
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mode_ = BUILD_PLANNED_MAP;
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foreach(action_ptr action, *side_actions_)
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{
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if (action->is_valid())
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{
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action->accept(*this);
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}
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}
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}
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void mapbuilder_visitor::visit_move(move_ptr move)
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{
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if (excluded_units_.find(move->get_unit()) == excluded_units_.end())
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{
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if(mode_ == BUILD_PLANNED_MAP)
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{
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move->apply_temp_modifier(unit_map_);
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//remember which actions we applied, so we can unapply them later
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applied_actions_.push_back(move);
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}
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else if (mode_ == RESTORE_NORMAL_MAP)
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{
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move->remove_temp_modifier(unit_map_);
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}
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}
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}
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void mapbuilder_visitor::visit_attack(attack_ptr attack)
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{
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visit_move(boost::static_pointer_cast<move>(attack));
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}
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void mapbuilder_visitor::restore_normal_map()
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{
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mode_ = RESTORE_NORMAL_MAP;
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action_queue::const_reverse_iterator rit;
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//applied_actions_ contain only the actions that we applied to the unit map
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for (rit = applied_actions_.rbegin(); rit != applied_actions_.rend(); ++rit)
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{
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if ((*rit)->is_valid())
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{
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(*rit)->accept(*this);
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}
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}
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}
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} // end namespace wb
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