diff options
| -rw-r--r-- | Makefile | 4 | ||||
| -rw-r--r-- | drunkard.c | 77 | ||||
| -rw-r--r-- | main.c | 122 |
3 files changed, 203 insertions, 0 deletions
diff --git a/Makefile b/Makefile new file mode 100644 index 0000000..da8a861 --- /dev/null +++ b/Makefile @@ -0,0 +1,4 @@ +all: drunkard main + +main: main.c + $(CC) main.c -lcurses -o main diff --git a/drunkard.c b/drunkard.c new file mode 100644 index 0000000..2427249 --- /dev/null +++ b/drunkard.c @@ -0,0 +1,77 @@ +#include <stdbool.h> +#include <stdio.h> +#include <stdlib.h> +#include <time.h> + +#define HEIGHT 50 +#define WIDTH 50 +#define MAX_STEPS 50 +#define NUM_WALKERS 100 + +enum direction { + UP, + LEFT, + RIGHT, + DOWN, + NUM_DIRS, +}; + +struct point { + int x; + int y; +}; + +int main(void) +{ + bool map[HEIGHT][WIDTH]; + for (int i = 0; i < HEIGHT; ++i) { + for (int j = 0; j < WIDTH; ++j) { + map[i][j] = false; + } + } + + int start_x = WIDTH / 2; + int start_y = HEIGHT / 2; + + int open_tiles = 1; + struct point open[HEIGHT * WIDTH]; + struct point p = {.x = start_x, .y = start_y}; + open[0] = p; + + srand(time(NULL)); + + for (int i = 0; i < NUM_WALKERS; ++i) { + struct point curr_point = open[rand() % open_tiles]; + int x_pos = curr_point.x; + int y_pos = curr_point.y; + + for (int j = 0; j < MAX_STEPS && x_pos < WIDTH && x_pos >= 0 && + y_pos < HEIGHT && y_pos >= 0; + ++j) { + if (!map[y_pos][x_pos]) { + map[y_pos][x_pos] = true; + struct point p = {.x = x_pos, .y = y_pos}; + open[open_tiles++] = p; + } + enum direction dir = rand() % NUM_DIRS; + switch (dir) { + case UP : --y_pos; break; + case LEFT : --x_pos; break; + case RIGHT : ++x_pos; break; + case DOWN : ++y_pos; break; + default : exit(EXIT_FAILURE); // should not occur + } + } + } + + for (int i = 0; i < HEIGHT; ++i) { + for (int j = 0; j < WIDTH; ++j) { + if (map[i][j]) { + printf("#"); + } else { + printf("."); + } + } + printf("\n"); + } +} @@ -0,0 +1,122 @@ +#include <curses.h> +#include <stdlib.h> + +#define MAIN_PANEL_WIDTH 100 +#define MAIN_PANEL_HEIGHT 41 +#define INSTRUCTION_PANEL_WIDTH 32 +#define INSTRUCTION_PANEL_HEIGHT 43 +#define MESSAGE_PANEL_WIDTH 100 +#define MESSAGE_PANEL_HEIGHT 3 + +WINDOW *create_newwin(int height, int width, int starty, int startx) +{ + WINDOW *local_win = newwin(height, width, starty, startx); + box(local_win, 0, 0); + wrefresh(local_win); + + return local_win; +} + +void destroy_win(WINDOW *local_win) +{ + wborder(local_win, ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' '); + wrefresh(local_win); + delwin(local_win); +} + +int main(void) +{ + initscr(); // initialize curses + + // exit on unsupported consoles + if (LINES < INSTRUCTION_PANEL_HEIGHT || + COLS < MAIN_PANEL_WIDTH + INSTRUCTION_PANEL_WIDTH || !has_colors()) { + endwin(); + fprintf( + stderr, + "a color terminal is required with at least %dx%d characters\n", + INSTRUCTION_PANEL_WIDTH + MAIN_PANEL_WIDTH, INSTRUCTION_PANEL_HEIGHT + ); + exit(1); + } + + // configure curses if startup was successful + raw(); // disable line buffering + keypad(stdscr, TRUE); // enable reading function keys + noecho(); // don't print input + curs_set(0); // disable the cursor + start_color(); // enable colours + + int starty = 12; + int startx = 40; + init_pair(1, COLOR_WHITE, COLOR_BLACK); + wattron(stdscr, COLOR_PAIR(1)); + refresh(); + + // create the windows + WINDOW *inst = create_newwin( + INSTRUCTION_PANEL_HEIGHT, INSTRUCTION_PANEL_WIDTH, + (LINES - INSTRUCTION_PANEL_HEIGHT) / 2, + (COLS - MAIN_PANEL_WIDTH - INSTRUCTION_PANEL_WIDTH) / 2 + + MAIN_PANEL_WIDTH - 1 + ); + WINDOW *msgs = create_newwin( + MESSAGE_PANEL_HEIGHT, MESSAGE_PANEL_WIDTH, + (LINES - MAIN_PANEL_HEIGHT - MESSAGE_PANEL_HEIGHT) / 2 + + MAIN_PANEL_HEIGHT, + (COLS - MESSAGE_PANEL_WIDTH - INSTRUCTION_PANEL_WIDTH) / 2 + ); + WINDOW *main_win = create_newwin( + MAIN_PANEL_HEIGHT, MAIN_PANEL_WIDTH, + (LINES - MAIN_PANEL_HEIGHT - MESSAGE_PANEL_HEIGHT) / 2 + 1, + (COLS - MAIN_PANEL_WIDTH - INSTRUCTION_PANEL_WIDTH) / 2 + ); + + mvwprintw(inst, 1, 2, "h - move left"); + mvwprintw(inst, 2, 2, "j - move down"); + mvwprintw(inst, 3, 2, "k - move up"); + mvwprintw(inst, 4, 2, "l - move right"); + wrefresh(inst); + + mvwprintw(msgs, 1, 1, "TODO: put messages here"); + wrefresh(msgs); + + wattron(main_win, COLOR_PAIR(1)); + mvwaddch(main_win, starty, startx, '@'); + wrefresh(main_win); + + int ch; + while ((ch = getch()) != KEY_F(1)) { + switch (ch) { + case 'k' : + if (starty > 1) { + mvwaddch(main_win, starty, startx, ' '); + mvwaddch(main_win, --starty, startx, '@'); + } + break; + case 'j' : + if (starty < MAIN_PANEL_HEIGHT - 2) { + mvwaddch(main_win, starty, startx, ' '); + mvwaddch(main_win, ++starty, startx, '@'); + } + break; + case 'h' : + if (startx > 1) { + mvwaddch(main_win, starty, startx, ' '); + mvwaddch(main_win, starty, --startx, '@'); + } + break; + case 'l' : + if (startx < MAIN_PANEL_WIDTH - 2) { + mvwaddch(main_win, starty, startx, ' '); + mvwaddch(main_win, starty, ++startx, '@'); + } + break; + } + wrefresh(main_win); + } + + endwin(); + + return 0; +} |