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#include <curses.h>
#include <locale.h>
#include <stdlib.h>
#include <time.h>
#include "cavegen.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
#define MAX_ENTITIES 100
struct entity {
char *name;
int xpos;
int ypos;
char *disp_ch;
};
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 initialize(void)
{
srand(time(NULL));
setlocale(LC_ALL, ""); // allow extended ASCII
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
// setup colours
init_pair(1, COLOR_WHITE, COLOR_BLACK);
wattron(stdscr, COLOR_PAIR(1));
refresh();
}
void display_map(
WINDOW *win, enum tile_type *map, struct entity *entities, int num_entities
)
{
for (int i = 1; i < MAIN_PANEL_HEIGHT - 1; ++i) {
for (int j = 1; j < MAIN_PANEL_WIDTH - 1; ++j) {
int i1 = i - 1 + entities[0].ypos;
int j1 = j - 1 + entities[0].xpos;
if (i1 > HEIGHT || j1 > WIDTH || i1 < 0 || j1 < 0) {
mvwaddch(win, i, j, ' ');
} else if (map[i1 * WIDTH + j1] == GROUND) {
mvwaddch(win, i, j, '.');
} else if (map[i1 * WIDTH + j1] == UP_STAIR) {
mvwaddch(win, i, j, '<');
} else if (map[i1 * WIDTH + j1] == DOWN_STAIR) {
mvwaddch(win, i, j, '>');
} else if (i1 > 0 && map[(i1 - 1) * WIDTH + j1] != WALL) {
mvwprintw(win, i, j, "█");
} else if (i1 < HEIGHT - 1 && map[(i1 + 1) * WIDTH + j1] != WALL) {
mvwprintw(win, i, j, "█");
} else if (j1 > 0 && map[i1 * WIDTH + j1 - 1] != WALL) {
mvwprintw(win, i, j, "█");
} else if (j1 < WIDTH - 1 && map[i1 * WIDTH + j1 + 1] != WALL) {
mvwprintw(win, i, j, "█");
} else {
mvwaddch(win, i, j, ' ');
}
}
}
for (int i = 1; i < num_entities; ++i) {
mvwprintw(
win, entities[i].ypos - entities[0].ypos + 1,
entities[i].xpos - entities[0].xpos + 1, entities[i].disp_ch
);
}
wrefresh(win);
}
int main(void)
{
initialize();
// 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));
wrefresh(main_win);
enum tile_type *map;
struct point *open_tiles;
int num_open_tiles;
struct point up;
struct point down;
create_cave(&map, &open_tiles, &num_open_tiles, &up, &down);
struct entity *entities = malloc(sizeof(struct entity) * MAX_ENTITIES);
entities[0].disp_ch = "";
entities[0].name = "camera";
entities[0].xpos = up.x - MAIN_PANEL_WIDTH / 2 + 1;
entities[0].ypos = up.y - MAIN_PANEL_HEIGHT / 2 + 1;
entities[1].disp_ch = "@";
entities[1].name = "player";
entities[1].xpos = up.x;
entities[1].ypos = up.y;
int num_entities = 2;
display_map(main_win, map, entities, num_entities);
int ch;
while ((ch = getch()) != KEY_F(1)) {
switch (ch) {
case 'k' :
if (entities[1].ypos > 0) {
if (map[(entities[1].ypos - 1) * WIDTH + entities[1].xpos]) {
--entities[0].ypos;
--entities[1].ypos;
}
}
break;
case 'j' :
if (entities[1].ypos < HEIGHT - 1) {
if (map[(entities[1].ypos + 1) * WIDTH + entities[1].xpos]) {
++entities[0].ypos;
++entities[1].ypos;
}
}
break;
case 'h' :
if (entities[1].xpos > 0) {
if (map[entities[1].ypos * WIDTH + entities[1].xpos - 1]) {
--entities[0].xpos;
--entities[1].xpos;
}
}
break;
case 'l' :
if (entities[1].xpos < WIDTH - 1) {
if (map[entities[1].ypos * WIDTH + entities[1].xpos + 1]) {
++entities[0].xpos;
++entities[1].xpos;
}
}
break;
}
display_map(main_win, map, entities, num_entities);
}
endwin();
return 0;
}
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