undo_move_action.hpp

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#pragma once

#include "undo_action.hpp"
#include "shroud_clearing_action.hpp"
#include "units/ptr.hpp"
#include "units/unit.hpp"

namespace actions
{
namespace undo
{

struct move_action : undo_action, shroud_clearing_action
{
    int starting_moves;
    map_location::DIRECTION starting_dir;
    map_location goto_hex;


    move_action(const unit_const_ptr moved,
                const std::vector<map_location>::const_iterator & begin,
                const std::vector<map_location>::const_iterator & end,
                int sm, int timebonus, int orig, const map_location::DIRECTION dir)
        : undo_action()
        , shroud_clearing_action(moved, begin, end, orig, timebonus != 0)
        , starting_moves(sm)
        , starting_dir(dir == map_location::NDIRECTIONS ? moved->facing() : dir)
        , goto_hex(moved->get_goto())
    {
    }
    move_action(const config & cfg, const config & unit_cfg,
                int sm, const map_location::DIRECTION dir)
        : undo_action(cfg)
        , shroud_clearing_action(cfg)
        , starting_moves(sm)
        , starting_dir(dir)
        , goto_hex(unit_cfg["goto_x"].to_int(-999) - 1,
                 unit_cfg["goto_y"].to_int(-999) - 1)
    {
    }
    virtual const char* get_type() const { return "move"; }
    virtual ~move_action() {}

    /// Writes this into the provided config.
    virtual void write(config & cfg) const;

    /// Undoes this action.
    virtual bool undo(int side);
    /// Redoes this action.
    virtual bool redo(int side);
};

}
}