Be more explicit in Makefiles about external libraries linking

[TD_C.git] / TP_13 / exo2 / lib / display.c

/*
 * =====================================================================================
 *
 *       Filename:  display.c
 *
 *    Description:  Routines to handle the display 
 *
 *        Version:  1.0
 *        Created:  15/03/2017 20:06:11
 *       Revision:  none
 *       Compiler:  gcc
 *
 *         Author:  Jerome Benoit (fraggle), jerome.benoit@piment-noir.org
 *   Organization:  Piment Noir
 *
 * =====================================================================================
 */

#include <ncurses.h>

#include "display.h"

/* in all print routine, y and x are the coordinates of the first character of the shape
 * which can be a space ' ' */

/* FIXME: one can split this shape in building blocks and build it using them */
void print_board(int y, int x) {

    mvprintw(y, x, "    |    |");
    mvprintw(y+1, x, "    |    |");
    mvprintw(y+2, x, "----+----+----");
    mvprintw(y+3, x, "    |    |");
    mvprintw(y+4, x, "    |    |");
    mvprintw(y+5, x, "----+----+----");
    mvprintw(y+6, x, "    |    |");
    mvprintw(y+7, x, "    |    |");
}

/* there's only nine valid (y, x) 2-uplets for this two shapes 
 * that are : - base_y, base_x +1
 *            - base_y, base_x + 6
 *            - base_y, base_x + 11 
 *            - base_y + 3, base_x + 1 
 *            - base_y + 6, base_x + 1 
 *            - base_y + 3, base_x + 6 
 *            - base_y + 3, base_x + 11 
 *            - base_y + 6, base_x + 6 
 *            - base_y + 6, base_x + 11 
 * The added (y, x) couple values can be {0, 3, 6}x{1, 6, 11}
 */

static void print_x(int y, int x) {

    mvprintw(y, x, "\\/");
    mvprintw(y+1, x,"/\\");
}

static void print_o(int y, int x) {

    mvprintw(y, x, "/\\");
    mvprintw(y+1, x, "\\/");
}

/* y: 1 -> +0  x: 1 -> +1
 *    2 -> +3     2 -> +6
 *    3 -> +6     3 -> +11 */
static int remap_y(int y) {

    if (y == 1) {
        return 0;
    } else if (y > 1 && y <= 3) {
        return (remap_y(y - 1) + 3);
    }  else {
        /* FIXME: return an error value like -1
         * but for now there a bug somewhere */
        return 6;
    }
}

static int remap_x(int x) {

    if (x == 1) {
        return 1;
    } else if (x > 1 && x <= 3) {
        return (remap_x(x - 1) + 5);
    } else {
        /* FIXME: return an error value like -1
         * but for now there a bug somewhere */
        return 11;
    }
}

void print_coordinates(coordinates_t coordinates_array[], int base_y, int base_x) {
    unsigned i = 0;

    while ((coordinates_array + i)->y != 0 && (coordinates_array + i)->x != 0) {
        if ((coordinates_array + i)->type == 0) {
            print_o(base_y + remap_y((coordinates_array + i)->y), base_x + remap_x((coordinates_array + i)->x));
        } else {
            print_x(base_y + remap_y((coordinates_array + i)->y), base_x + remap_x((coordinates_array + i)->x));
        }
        i++;
    }
}