lib/ui.c

   1 /*
   2  * =====================================================================================
   3  *
   4  *       Filename:  ui.c
   5  *
   6  *    Description:  Routines to handle the user interface
   7  *
   8  *        Version:  1.0
   9  *        Created:  24/04/2017 16:41:15
  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 <string.h>
  20
  21 #include "ui.h"
  22 #include "othello.h"
  23 #include "debug.h"
  24
  25 /* in all print routine, y and x are the coordinates of the first character of the shape
  26  * which can be a space ' ' */
  27
  28 /* FIXME: one can split this shape in building blocks and build it using them */
  29 void print_board(int y, int x) {
  30
  31     mvprintw(y, x, "   A  | B  | C  | D  | E  | F  | G  |  H");
  32     mvprintw(y+1, x, " -----+----+----+----+----+----+----+-----");
  33     mvprintw(y+2, x, "1|    |    |    |    |    |    |    |    |");
  34     mvprintw(y+3, x, " |    |    |    |    |    |    |    |    |");
  35     mvprintw(y+4, x, " +----+----+----+----+----+----+----+----+");
  36     mvprintw(y+5, x, "2|    |    |    |    |    |    |    |    |");
  37     mvprintw(y+6, x, " |    |    |    |    |    |    |    |    |");
  38     mvprintw(y+7, x, " +----+----+----+----+----+----+----+----+");
  39     mvprintw(y+8, x, "3|    |    |    |    |    |    |    |    |");
  40     mvprintw(y+9, x, " |    |    |    |    |    |    |    |    |");
  41     mvprintw(y+10, x, " +----+----+----+----+----+----+----+----+");
  42     mvprintw(y+11, x, "4|    |    |    |    |    |    |    |    |");
  43     mvprintw(y+12, x, " |    |    |    |    |    |    |    |    |");
  44     mvprintw(y+13, x, " +----+----+----+----+----+----+----+----+");
  45     mvprintw(y+14, x, "5|    |    |    |    |    |    |    |    |");
  46     mvprintw(y+15, x, " |    |    |    |    |    |    |    |    |");
  47     mvprintw(y+16, x, " +----+----+----+----+----+----+----+----+");
  48     mvprintw(y+17, x, "6|    |    |    |    |    |    |    |    |");
  49     mvprintw(y+18, x, " |    |    |    |    |    |    |    |    |");
  50     mvprintw(y+19, x, " +----+----+----+----+----+----+----+----+");
  51     mvprintw(y+20, x, "7|    |    |    |    |    |    |    |    |");
  52     mvprintw(y+21, x, " |    |    |    |    |    |    |    |    |");
  53     mvprintw(y+22, x, " +----+----+----+----+----+----+----+----+");
  54     mvprintw(y+23, x, "8|    |    |    |    |    |    |    |    |");
  55     mvprintw(y+24, x, " |    |    |    |    |    |    |    |    |");
  56     mvprintw(y+25, x, " -----+----+----+----+----+----+----+-----");
  57 }
  58
  59 static void set_default_colors() {
  60
  61     init_pair(1, COLOR_WHITE, COLOR_BLACK);
  62     attron(COLOR_PAIR(1));
  63 }
  64
  65 static void print_o(int y, int x, unsigned int type) {
  66
  67     if (type == black) {
  68         init_color(COLOR_CYAN, 0, 0, 0); /* redefine to a dark black color */
  69         init_pair(2, COLOR_WHITE, COLOR_CYAN);
  70         attron(COLOR_PAIR(2));
  71     } else {
  72         init_pair(3, COLOR_BLACK, COLOR_WHITE);
  73         attron(COLOR_PAIR(3));
  74     }
  75     mvprintw(y, x, "/\\");
  76     mvprintw(y+1, x, "\\/");
  77     /* reset to default */
  78     set_default_colors();
  79 }
  80
  81 /* will be used for pawn placement hints */
  82 static void print_x(int y, int x, unsigned int type) {
  83
  84     if (type == hint_allowed) {
  85         init_pair(4, COLOR_GREEN, COLOR_BLACK);
  86         attron(COLOR_PAIR(4));
  87     } else {
  88         init_pair(5, COLOR_RED, COLOR_BLACK);
  89         attron(COLOR_PAIR(5));
  90     }
  91     mvprintw(y, x, "\\/");
  92     mvprintw(y+1, x,"/\\");
  93     /* reset to default */
  94     set_default_colors();
  95 }
  96
  97 /* y = 1: y -> 0      x = 1: 1 -> 1
  98  * y > 1: y -> y + 3  x > 1: x -> x + 5 */
  99 static int remap_y(int y) {
 100
 101     if (y == 1) {
 102         return 2;
 103     } else if (y > 1 && y <= board_size) {
 104         return (remap_y(y - 1) + 3);
 105     } else {
 106         return -1;
 107     }
 108 }
 109
 110 static int remap_x(int x) {
 111
 112     if (x == 1) {
 113         return 3;
 114     } else if (x > 1 && x <= board_size) {
 115         return (remap_x(x - 1) + 5);
 116     } else {
 117         return -1;
 118     }
 119 }
 120
 121 void print_pawns(int base_y, int base_x, unsigned int pawn_array[board_size][board_size]) {
 122
 123     for (int i = 1; i <= board_size; i++) {
 124         for (int j = 1; j <= board_size; j++) {
 125             if (!is_box_type(i, j, pawn_array, empty)) {
 126                 print_o(base_y + remap_y(i), base_x + remap_x(j), get_box_value(i, j, pawn_array));
 127             }
 128         }
 129     }
 130 }
 131
 132 int map_col_letter_to_index(char c) {
 133
 134     if (c == 'a' || c == 'A') {
 135         return 1;
 136     } else if (c == 'b' || c == 'B') {
 137         return 2;
 138     } else if (c == 'c' || c == 'C') {
 139         return 3;
 140     } else if (c == 'd' || c == 'D') {
 141         return 4;
 142     } else if (c == 'e' || c == 'E') {
 143         return 5;
 144     } else if (c == 'f' || c == 'F') {
 145         return 6;
 146     } else if (c == 'g' || c == 'G') {
 147         return 7;
 148     } else if (c == 'h' || c == 'H') {
 149         return 8;
 150     } else {
 151         return -1;
 152     }
 153 }
 154
 155 /* return capital letters */
 156 char map_col_index_to_letter(int index) {
 157
 158     if (index == 1) {
 159         return 'A';
 160     } else if (index == 2) {
 161         return 'B';
 162     } else if (index == 3) {
 163         return 'C';
 164     } else if (index == 4) {
 165         return 'D';
 166     } else if (index == 5) {
 167         return 'E';
 168     } else if (index == 6) {
 169         return 'F';
 170     } else if (index == 7) {
 171         return 'G';
 172     } else if (index == 9) {
 173         return 'H';
 174     } else {
 175         return -1;
 176     }
 177 }
 178
 179 int prompt_values(WINDOW* windows, int base_y, int base_x, const char* msg, int* y, char* x) {
 180     mvwprintw(windows, base_y, base_x, "%s\n", msg);
 181     int retval = mvwscanw(windows, base_y + 1, base_x + strlen(msg)/2, "%d%c", y, x);
 182     return (retval == 1) ? 0 : 1;
 183 }