TP_13/exo2/lib/display.c

   1 /*
   2  * =====================================================================================
   3  *
   4  *       Filename:  display.c
   5  *
   6  *    Description:  Routines to handle the display
   7  *
   8  *        Version:  1.0
   9  *        Created:  15/03/2017 20:06:11
  10  *       Revision:  none
  11  *       Compiler:  gcc
  12  *
  13  *         Author:  Jerome Benoit (fraggle), jerome.benoit@piment-noir.org
  14  *   Organization:  Piment Noir
  15  *
  16  * =====================================================================================
  17  */
  18
  19 #include <ncurses.h>
  20
  21 #include "display.h"
  22
  23 /* in all print routine, y and x are the coordinates of the first character of the shape
  24  * which can be a space ' ' */
  25
  26 void print_board(int y, int x) {
  27     mvprintw(y, x, "    |    |");
  28     mvprintw(y+1, x, "    |    |");
  29     mvprintw(y+2, x, "----+----+----");
  30     mvprintw(y+3, x, "    |    |");
  31     mvprintw(y+4, x, "    |    |");
  32     mvprintw(y+5, x, "----+----+----");
  33     mvprintw(y+6, x, "    |    |");
  34     mvprintw(y+7, x, "    |    |");
  35 }
  36
  37 /* there's only nine valid (y, x) 2-uplets for this two shapes
  38  * that are : - base_y, base_x +1
  39  *            - base_y, base_x + 6
  40  *            - base_y, base_x + 11
  41  *            - base_y + 3, base_x + 1
  42  *            - base_y + 6, base_x + 1
  43  *            - base_y + 3, base_x + 6
  44  *            - base_y + 3, base_x + 11
  45  *            - base_y + 6, base_x + 6
  46  *            - base_y + 6, base_x + 11
  47  * The added (y, x) couple values can be {0, 3, 6}x{1, 6, 11}
  48  */
  49
  50 void print_x(int y, int x) {
  51     mvprintw(y, x, "\\/");
  52     mvprintw(y+1, x,"/\\");
  53 }
  54
  55 void print_o(int y, int x) {
  56     mvprintw(y, x, "/\\");
  57     mvprintw(y+1, x, "\\/");
  58 }
  59
  60 /* y: 1 -> +0  x: 1 -> +1
  61  *    2 -> +3     2 -> +6
  62  *    3 -> +6     3 -> +11 */
  63 static int remap_y(int y) {
  64     if (y == 1) {
  65         return 0;
  66     } else if (y == 2) {
  67         return 3;
  68     } else {
  69         return 6;
  70     }
  71 }
  72
  73 static int remap_x(int x) {
  74     if (x == 1) {
  75         return 1;
  76     } else if (x == 2) {
  77         return 6;
  78     } else {
  79         return 11;
  80     }
  81 }
  82
  83 void print_coordinates(coordinates_t coordinates_array[], int base_y, int base_x) {
  84     unsigned i = 0;
  85     while ((coordinates_array + i)->y != 0 && (coordinates_array + i)->x != 0) {
  86         if ((coordinates_array + i)->type == 0) {
  87             print_o(base_y + remap_y((coordinates_array + i)->y), base_x + remap_x((coordinates_array + i)->x));
  88         } else {
  89             print_x(base_y + remap_y((coordinates_array + i)->y), base_x + remap_x((coordinates_array + i)->x));
  90         }
  91         i++;
  92     }
  93 }