Box.c

#include <stdio.h>
#include <inttypes.h>
#include <conio.h>
#include <time.h>
#include <windows.h>

uint8_t width = 10;
uint8_t height = 10;

uint8_t funny_bytes[] =
    "WWWWWWWWWW"
    "W*W-^-W--W"
    "W-W---W--W"
    "W-WWW----W"
    "W------WWW"
    "W^W-W^^-^W"
    "W------WWW"
    "W-WWW--|-W"
    "W--^---WeW"
    "WWWWWWWWWW";

int player_y = 6;
int player_x = 5;

int enemy_y = 4;
int enemy_x = 4;
int direction = 2;

uint8_t pl_symbol = 2;
uint8_t en_symbol = 19;

int gotoxy(int x,int y)
{
    COORD coord = {x,y};
    SetConsoleCursorPosition(GetStdHandle(STD_OUTPUT_HANDLE),coord);
}

void delay(float seconds)
{
    int milliseconds = 1000 * seconds;
    time_t startTime = clock();
    while(clock() < startTime + milliseconds);
}

void clear(int clear_width, int clear_height)
{
    int y = 0;
    int x = 0;

    while (y < clear_height)
    {
        gotoxy(0, y);
        while (x < clear_width)
        {
            putchar(' ');
            x++;
        }
        x = 0;
        y++;
    }
}

void print_maze()
{
    gotoxy(0,0);
    uint16_t counter = 0;
    uint8_t y = 0;
    uint8_t x = 0;

    while (y < height)
    {
        while (x < width)
        {
            printf("%c", funny_bytes[counter]);
            counter = counter + 1;
            x = x + 1;
        }
        printf("\n");
        y = y + 1;
        x = 0;
    }
    gotoxy(player_x,player_y);
    printf ("%c", pl_symbol);
    gotoxy(enemy_x,enemy_y);
    printf ("%c", en_symbol);
    printf("\n");
}

void enemy_movement()
{
    int en_new_y = enemy_y;
    int en_new_x = enemy_x;
    int new_direction = direction;

    if (direction == 1) /*up*/
        en_new_y = enemy_y - 1;
    else if (direction == 2) /*left*/
        en_new_x = enemy_x - 1;
    else if (direction == 3) /*down*/
        en_new_y = enemy_y + 1;
    else if (direction == 4) /*right*/
        en_new_x = enemy_x + 1;

        if (funny_bytes[en_new_y * width + en_new_x] == 87)
            {
                if (direction == 1) /*up*/
                {
                    new_direction = 3;
                    en_new_y = enemy_y + 1;
                }
                else if (direction == 2) /*left*/
                {
                    new_direction = 4;
                    en_new_x = enemy_x + 1;
                }
                else if (direction == 3) /*down*/
                {
                    new_direction = 1;
                    en_new_y = enemy_y - 1;
                }
                else if (direction == 4) /*right*/
                {
                    new_direction = 2;
                    en_new_x = enemy_x - 1;
                }
            }

    enemy_y = en_new_y;
    enemy_x = en_new_x;
    direction = new_direction;
}

int end_game(int ending)
{
    int response;

    if (ending == 1)
    {
        pl_symbol = 15;
        print_maze();
        gotoxy(0,11);
        printf("You stepped on a landmine and blew up! Enter Y for a new game, any other key to quit:\n");
    }
    else if (ending == 2)
    {
        pl_symbol = 5;
        print_maze();
        gotoxy(enemy_x,enemy_y);
        printf ("%c", pl_symbol);
        gotoxy(0,11);
        printf("You were caught by a guard! Enter Y for a new game, any other key to quit:\n");
    }
    else if (ending == 3)
    {
        pl_symbol = 1;
        print_maze();
        gotoxy(0,11);
        printf("You managed to escape! Enter Y for a new game, any other key to quit:\n");
    }

    scanf("%d", &response);
    if (response == 89 || response == 121)
    {
        return 1;
    }
    else
        return 0;
}

int main()
{
    int game_running = 1;

    uint8_t movement;
    uint8_t key_acquired = 0;

    clock_t start = clock();

    clear(80,25);

    print_maze();

    while(game_running == 1)
    {
        int new_x = player_x;
        int new_y = player_y;
        int new_game;

        if (kbhit())
        {
            movement = _getch();

            if (movement == 119) /*w*/
                new_y = player_y - 1;
            else if (movement == 97) /*a*/
                new_x = player_x - 1;
            else if (movement == 115) /*s*/
                new_y = player_y + 1;
            else if (movement == 100) /*d*/
                new_x = player_x + 1;
            else if (movement == 27) /*ESC*/
                game_running = 0;
        }
        if (funny_bytes[new_y * width + new_x] != 87)
        {
            if (funny_bytes[new_y * width + new_x] == 124 && key_acquired == 0)
            {
                gotoxy(0,11);
                printf("You're missing the key for this door.\n");
            }
            else if (funny_bytes[new_y * width + new_x] == 124 && key_acquired == 1)
            {
                gotoxy(0,11);
                printf("Opened door with the key.\n");
                funny_bytes[new_y * width + new_x] = 95;
                player_y = new_y;
                player_x = new_x;
                print_maze();
            }
            else
            {
                player_y = new_y;
                player_x = new_x;
                print_maze();

                if (funny_bytes[player_y * width + player_x] == 42)
                {
                    key_acquired = 1;
                    funny_bytes[player_y * width + player_x] = 45;
                    gotoxy(0,11);
                    printf("                                                                                ");
                    gotoxy(0,11);
                    printf("Key acquired.\n");
                }
                else if (funny_bytes[player_y * width + player_x] == 94)
                {
                    new_game = end_game(1);
                }
                else if (player_y == enemy_y && player_x == enemy_x)
                {
                    new_game = end_game(2);
                }
                else if (funny_bytes[player_y * width + player_x] == 101)
                {
                    new_game = end_game(3);
                }
                if (new_game == 0)
                    game_running = 0;
            }
        enemy_movement();
        }

        delay(0.1);
        clock_t game_time = (clock() - start) / 1000;
        gotoxy(0,10);
        printf("Time wasted: %d", game_time);
    }

    return 0;
}