Elk Alpha 0.3

#include <iostream>
#include <functional>
#include <vector>

//super secret propreitary software (c) copyright Caesura Software

using namespace std;

//Elk: The game of fast-paced action-packed boredom.

/* ---  VARIABLES    --- */

struct bounds { //board size
    const int x = 20;
    const int y = 20;
};

/* --- END VARIABLES --- */

//vector code

typedef vector<vector<int>> i2d;

function<i2d(int,int)> retVec = [](int x, int y) -> i2d {
    i2d vec;
    vec.resize(x);
    for(int a = 0; a < x; ++a){
        vec[a].resize(y);
    }
    return vec;
};

class Vec2D {
    public:
        i2d vec;
        Vec2D(int x, int y) {
            vec = retVec(x,y);
        };

        inline int& at(int x, int y) {
            return vec[x][y];
        }
};

//end vector code

//print the board

function<int(i2d)> show = [](i2d board) -> int {

    bounds po;

    for (int a = 0; a < po.x; ++a) {
        for (int b = 0; b < po.y; ++b) {
            if (a == 0 or b == 0 or a == po.x-1 or b == po.y-1) {
                cout << "*" ;
            }
            else if (board[a][b] == 0) {
                cout << ".";
            }
            else if (board[a][b] == 1) {
                cout << "@";
            }
            else {
                cout << board[a][b];
            }
            cout << " ";
        }
        cout << endl;
    }

    return 0;
};

//end printing the board

//player stuff

class player {
    public:
        int x;
        int y;
        int hp = 10;

        player (int xPos, int yPos) {
            x = xPos;
            y = yPos;
        };
};

function<int(i2d&)> movep = [](i2d& board) -> int {

    player pl(5,2);
    bounds po;

    board[pl.x][pl.y] = 1;
    int temp = 0;
    string input;

    function<int(int,int)> plmov = [&](int xPos, int yPos) -> int {
        /*string bmsg = "Bounds checking enabled.";
        if ((pl.x == 0 or pl.y == 0) and (xPos > 0 or yPos > 0)) {
            cout << bmsg << endl;
        }
        else if ((pl.x == po.x-1 or pl.y == po.y-1) and (xPos == 0 or yPos == 0)) {
            cout << bmsg << endl;
        }
        else {
            board[pl.x][pl.y] = temp;
            temp = board[pl.x+xPos][pl.y+yPos];
            board[pl.x+xPos][pl.y+yPos] = 1;
            pl.x += xPos;
            pl.y += yPos;
            show(board);
        }*/

        board[pl.x][pl.y] = temp;
        temp = board[pl.x+xPos][pl.y+yPos];
        board[pl.x+xPos][pl.y+yPos] = 1;
        pl.x += xPos;
        pl.y += yPos;
        show(board);

        return 0;
    };

    show(board);
    show(board); //eh

    for(;;){
        cout << "> ";
        cin >> input;

        if(input == "left") {

            plmov(0, -1);

        }
        else if(input == "right") {

            plmov(0, 1);

        }
        else if(input == "up") {

            plmov(-1, 0);

        }
        else if(input == "down") {

            plmov(1, 0);

        }
        else if(input == "end") {

            cout << "Thanks for listening." << endl;
            break;
        }
        else {
            cout << "CAN'T LET YOU DO THAT STARFOX" << endl;
        }
    }
    return 0;
};

//end player stuff

int main(int argc, char **argv){

    bounds co;
    Vec2D vec(co.x, co.y);

    vec.at(2,3) = 7;
    vec.at(2,4) = 8;
    vec.at(2,5) = 9;
    vec.at(2,7) = 4;

    movep(vec.vec);

    return 0;
}