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C-/C++-Quelltext

#ifndef TREE_LINKER
#define TREE_LINKER

#include <vector>

struct data_base;

struct coord_data_2
{
    int y;
    int x;
};

template<typename T >
class c_tree_linker
{
    private:

        struct data_base
        {
            T data;
            data_base *origin;
            std::vector< data_base* > childs;
        };

        data_base *act_pos;

        std::vector< data_base > storer;

    public:
        
        c_tree_linker( T root_data );

        T& insert_child( T child_data );
        bool forward( int child_pos );
        bool backward( int pos );
        T& get_data();

};

#endif

C-/C++-Quelltext

#include "tree_linker.hpp"

template<typename T >
c_tree_linker<T>::c_tree_linker( T root_data )
{
    data_base temp;

    temp.data = root_data;
    temp.origin = NULL;

    storer.push_back( temp );

    act_pos = &storer[ storer.size() - 1 ];
}

template<typename T >
T& c_tree_linker<T>::insert_child( T child_data )
{
    data_base temp;

    temp.data = child_data;
    temp.origin = act_pos;

    storer.push_back( temp );

    ( *act_pos ).childs.push_back( &storer[ storer.size() - 1 ] );

    act_pos = &storer[ storer.size() - 1 ];

    return &( *act_pos ).data;
}

template<typename T >
bool c_tree_linker<T>::forward( int child_pos )
{
    if ( ( *act_pos ).childs.size() < child_pos )
    {
        act_pos = ( *act_pos ).childs( child_pos );

        return true;
    }

    return false;
}

template<typename T >
bool c_tree_linker<T>::backward( int pos )
{
    for ( size_t i = 0 ; i < pos ; i++ )
    {
        if ( ( *act_pos ).origin == NULL )
        {
            return false;
        }
        else
        {
            act_pos = ( *act_pos ).origin;
        }
    }

    if ( ( *act_pos ).childs.size() < child_pos )
    {
        act_pos = ( *act_pos ).childs( child_pos );

        return true;
    }

    return true;
}

template<typename T >
T& c_tree_linker<T>::get_data()
{
    return &( *act_pos ).data;
}

C-/C++-Quelltext

coord_data_2 temp_pos;
coord_data_2 *act_pos;

temp_pos.y = unit_main[ side ][i].y;
temp_pos.x = unit_main[ side ][i].x;

c_tree_linker< coord_data_2 > move_found( temp_pos ); // das hier
act_pos = &move_found.get_data(); // und das hier bringen dann einen LNK2019 Fehler

C-/C++-Quelltext

1>ai_managment.obj : error LNK2019: Verweis auf nicht aufgelöstes externes Symbol ""public: class coord_data_2 & __thiscall c_tree_linker<class coord_data_2>::get_data(void)" (?get_data@?$c_tree_linker@Vcoord_data_2@@@@QAEAAVcoord_data_2@@XZ)" in Funktion ""public: void __thiscall c_ai_managment::ai_run(int)" (?ai_run@c_ai_managment@@QAEXH@Z)".
1>ai_managment.obj : error LNK2019: Verweis auf nicht aufgelöstes externes Symbol ""public: __thiscall c_tree_linker<class coord_data_2>::c_tree_linker<class coord_data_2>(class coord_data_2)" (??0?$c_tree_linker@Vcoord_data_2@@@@QAE@Vcoord_data_2@@@Z)" in Funktion ""public: void __thiscall c_ai_managment::ai_run(int)" (?ai_run@c_ai_managment@@QAEXH@Z)".