Start code on the main file. Modularizing is on sight.

src/tty-solitaire.c

@@ -1,14 +1,201 @@
-/*
- * =============================================================================
- *
- *       Filename:  tty-solitaire.c
- *
- *    Description:  ncurses-based solitaire game
- *
- *        Created:  03/28/2010 04:58:26 PM
- *       Compiler:  gcc
- *
- *         Author:  Murilo Soares Pereira
- *
- * =============================================================================
- */
+#include <ncurses.h>
+#include <malloc.h>
+#include <string.h>
+
+#define FALSE 0
+#define TRUE  1
+
+#define CARD_FRAME_WIDTH  7
+#define CARD_FRAME_HEIGHT 5
+
+enum suit {
+  BLANK    = -1,
+  DIAMONDS = 0,
+  SPADES   = 1,
+  HEARTS   = 2,
+  CLUBS    = 3
+};
+
+enum value {
+  NONE  = -1,
+  TWO   = 2,
+  THREE = 3,
+  FOUR  = 4,
+  FIVE  = 5,
+  SIX   = 6,
+  SEVEN = 7,
+  EIGHT = 8,
+  NINE  = 9,
+  TEN   = 10,
+  JACK  = 11,
+  QUEEN = 12,
+  KING  = 13,
+  ACE   = 14
+};
+
+struct card_frame {
+  WINDOW *shape;
+  int    height;
+  int    width;
+  int    start_y;
+  int    start_x;
+};
+
+struct card {
+  struct card_frame *frame;
+  enum value        value;
+  enum suit         suit;
+  char              exposed;
+};
+
+WINDOW *initialize_shape();
+struct card_frame *initialize_card_frame();
+struct card *initialize_card();
+void draw_card(struct card *card);
+void set_card_frame(struct card_frame *card_frame,
+                    int start_y,
+                    int start_x);
+void set_card_attributes(struct card *card,
+                        enum value value,
+                        enum suit suit,
+                        char exposed);
+void set_card(struct card *card,
+              enum value value,
+              enum suit suit,
+              char exposed,
+              int start_y,
+              int start_x);
+
+void delete_card(struct card *card) {
+  free(card->frame->shape);
+  free(card->frame);
+  free(card);
+
+  return;
+}
+
+int main(int argc, const char *argv[]) {
+  char message[] = "Welcome to tty-solitaire.";
+  int ch;
+  int row_number, column_number;
+  struct card *card = NULL;
+
+  initscr();                /* initialize the terminal in curses mode */
+  raw();                    /* disable line buffers                   */
+  noecho();                 /* character echo is unnecessary          */
+  keypad(stdscr, TRUE);     /* enable F and arrow keys                */
+
+  getmaxyx(stdscr, row_number, column_number);
+  mvprintw(row_number / 2 - 1,
+           (column_number - strlen(message)) / 2,
+           "%s\n",
+           message);
+
+  card = initialize_card();
+
+  set_card(card, KING, CLUBS, TRUE, 1, 1);
+
+  draw_card(card);
+
+  while ((ch = getch()) != KEY_F(1)) {
+    switch(ch) {
+      case KEY_LEFT:
+      case 'h':
+        draw_card(card);
+        break;
+      case KEY_RIGHT:
+      case 'l':
+        draw_card(card);
+        break;
+      case KEY_UP:
+      case 'k':
+        draw_card(card);
+        break;
+      case KEY_DOWN:
+      case 'j':
+        draw_card(card);
+        break;
+    }
+  }
+
+  endwin();
+  puts("Game finished.");
+
+  return 0;
+}
+
+WINDOW *initialize_shape() {
+  WINDOW *shape;
+
+  shape = malloc(sizeof(shape));
+
+  return(shape);
+}
+
+struct card_frame *initialize_card_frame() {
+  struct card_frame *card_frame = NULL;
+
+  card_frame = malloc(sizeof(card_frame));
+
+  card_frame->shape  = initialize_shape();
+  card_frame->height  = CARD_FRAME_HEIGHT;
+  card_frame->width   = CARD_FRAME_WIDTH;
+  card_frame->start_y = 0;
+  card_frame->start_x = 0;
+
+  return(card_frame);
+}
+
+struct card *initialize_card() {
+  struct card *card = NULL;
+
+  card = malloc(sizeof(card));
+
+  card->frame   = initialize_card_frame();
+  card->value   = NONE;
+  card->suit    = NONE;
+  card->exposed = FALSE;
+
+  return(card);
+}
+
+void draw_card(struct card *card) {
+  box(card->frame->shape, 0, 0);
+  wrefresh(card->frame->shape);
+}
+
+void set_card_frame(struct card_frame *card_frame,
+                    int start_y,
+                    int start_x) {
+  card_frame->start_y = start_y;
+  card_frame->start_x = start_x;
+  card_frame->shape = newwin(card_frame->height,
+                             card_frame->width,
+                             card_frame->start_y,
+                             card_frame->start_x);
+
+  return;
+}
+
+void set_card_attributes(struct card *card,
+                        enum value value,
+                        enum suit suit,
+                        char exposed) {
+  card->value = value;
+  card->suit = suit;
+  card->exposed = exposed;
+
+  return;
+}
+
+void set_card(struct card *card,
+              enum value value,
+              enum suit suit,
+              char exposed,
+              int start_y,
+              int start_x) {
+  set_card_attributes(card, value, suit, exposed);
+  set_card_frame(card->frame, start_y, start_x);
+
+  return;
+}