#include <stdlib.h>
-#include <limits.h>
#include <stdint.h>
#include <ncurses.h>
#include <string.h>
#include "draw_wins.h"
#include "roguelike.h"
#include "keybindings.h"
+#include "readwrite.h"
uint16_t rrand(char use_seed, uint32_t new_seed) {
// Pseudo-random number generator (LGC algorithm). Use instead of rand() to ensure portable predictability.
seed = ((seed * 1103515245) + 12345) % 2147483648; // Values as recommended by POSIX.1-2001 (see rand(3)).
return (seed / 65536); } // Ignore least significant 16 bits (they are less random).
-uint16_t read_uint16_bigendian(FILE * file) {
-// Read uint16 from file in big-endian order.
- const uint16_t nchar = UCHAR_MAX + 1;
- unsigned char a = fgetc(file);
- unsigned char b = fgetc(file);
- return (a * nchar) + b; }
-
-void write_uint16_bigendian(uint16_t x, FILE * file) {
-// Write uint16 to file in beg-endian order.
- const uint16_t nchar = UCHAR_MAX + 1;
- unsigned char a = x / nchar;
- unsigned char b = x % nchar;
- fputc(a, file);
- fputc(b, file); }
-
-uint32_t read_uint32_bigendian(FILE * file) {
-// Read uint32 from file in big-endian order.
- const uint16_t nchar = UCHAR_MAX + 1;
- unsigned char a = fgetc(file);
- unsigned char b = fgetc(file);
- unsigned char c = fgetc(file);
- unsigned char d = fgetc(file);
- return (a * nchar * nchar * nchar) + (b * nchar * nchar) + (c * nchar) + d; }
-
-void write_uint32_bigendian(uint32_t x, FILE * file) {
-// Write uint32 to file in beg-endian order.
- const uint16_t nchar = UCHAR_MAX + 1;
- unsigned char a = x / (nchar * nchar * nchar);
- unsigned char b = (x - (a * nchar * nchar * nchar)) / (nchar * nchar);
- unsigned char c = (x - ((a * nchar * nchar * nchar) + (b * nchar * nchar))) / nchar;
- unsigned char d = x % nchar;
- fputc(a, file);
- fputc(b, file);
- fputc(c, file);
- fputc(d, file); }
-
-void load_game(struct World * world) {
-// Load game data from game file.
- FILE * file = fopen("savefile", "r");
- world->seed = read_uint32_bigendian(file);
- world->turn = read_uint32_bigendian(file);
- world->player->y = read_uint16_bigendian(file);
- world->player->x = read_uint16_bigendian(file);
- world->monster->y = read_uint16_bigendian(file);
- world->monster->x = read_uint16_bigendian(file);
- fclose(file); }
-
void save_game(struct World * world) {
// Save game data to game file.
FILE * file = fopen("savefile", "w");
void toggle_window (struct WinMeta * win_meta, struct Win * win) {
// Toggle display of window win.
- if (0 != win->curses)
- suspend_window(win_meta, win);
+ if (0 != win->frame.curses_win)
+ suspend_win(win_meta, win);
else
- append_window(win_meta, win); }
+ append_win(win_meta, win); }
+
+void scroll_pad (struct WinMeta * win_meta, char dir) {
+// Try to scroll pad left or right.
+ if ('+' == dir)
+ reset_pad_offset(win_meta, win_meta->pad_offset + 1);
+ else if ('-' == dir)
+ reset_pad_offset(win_meta, win_meta->pad_offset - 1); }
void growshrink_active_window (struct WinMeta * win_meta, char change) {
// Grow or shrink active window horizontally or vertically by one cell size.
if (0 != win_meta->active) {
- uint16_t height = win_meta->active->height;
- uint16_t width = win_meta->active->width;
+ uint16_t height = win_meta->active->frame.size.y;
+ uint16_t width = win_meta->active->frame.size.x;
if (change == '-')
height--;
else if (change == '+')
width--;
else if (change == '*')
width++;
- resize_active_window (win_meta, height, width); } }
+ resize_active_win (win_meta, height, width); } }
struct Map init_map () {
// Initialize map with some experimental start values.
map.height = 64;
map.offset_x = 0;
map.offset_y = 0;
- map.cells = malloc(map.width * map.height);
- uint16_t x, y, ran;
- char terrain;
+ uint32_t size = map.width * map.height;
+ map.cells = malloc(size);
+ uint16_t y, x;
for (y = 0; y < map.height; y++)
- for (x = 0; x < map.width; x++) {
- terrain = '.';
- ran = rrand(0, 0);
- if ( 0 == ran % ((x*x) / 3 + 1)
- || 0 == ran % ((y*y) / 3 + 1)
- || 0 == ran % ((map.width - x - 1) * (map.width - x - 1) / 3 + 1)
- || 0 == ran %((map.height - y - 1) * (map.height - y - 1) / 3 + 1))
- terrain = ' ';
- map.cells[(y * map.width) + x] = terrain; }
+ for (x = 0; x < map.width; x++)
+ map.cells[(y * map.width) + x] = '~';
+ map.cells[size / 2 + (map.width / 2)] = '.';
+ uint32_t repeats, root, curpos;
+ for (root = 0; root * root * root < size; root++);
+ for (repeats = 0; repeats < size * root; repeats++) {
+ y = rrand(0, 0) % map.height;
+ x = rrand(0, 0) % map.width;
+ curpos = y * map.width + x;
+ if ('~' == map.cells[curpos] &&
+ ( (curpos >= map.width && '.' == map.cells[curpos - map.width])
+ || (curpos < map.width * (map.height-1) && '.' == map.cells[curpos + map.width])
+ || (curpos > 0 && curpos % map.width != 0 && '.' == map.cells[curpos-1])
+ || (curpos < (map.width * map.height) && (curpos+1) % map.width != 0 && '.' == map.cells[curpos+1])))
+ map.cells[y * map.width + x] = '.'; }
return map; }
void map_scroll (struct Map * map, char dir) {
tx--;
if (tx == world->player->x && ty == world->player->y)
update_log(world, "\nThe monster hits you.");
- else if (is_passable(world, tx, ty)) {
+ else if (is_passable(world->map, ty, tx)) {
world->monster->y = ty;
world->monster->x = tx; } }
free(world->log);
world->log = new_text; }
-char is_passable (struct World * world, uint16_t x, uint16_t y) {
+char is_passable (struct Map * map, uint16_t y, uint16_t x) {
// Check if coordinate on (or beyond) map is accessible to movement.
char passable = 0;
- if (0 <= x && x < world->map->width && 0 <= y && y < world->map->height)
- if ('.' == world->map->cells[y * world->map->width + x])
+ if (0 <= x && x < map->width && 0 <= y && y < map->height)
+ if ('.' == map->cells[y * map->width + x])
passable = 1;
return passable; }
tx++; }
if (ty == world->monster->y && tx == world->monster->x)
success = 2;
- else if (is_passable(world, tx, ty)) {
+ else if (is_passable(world->map, ty, tx)) {
success = 1;
world->player->y = ty;
world->player->x = tx; }
next_turn (world);
update_log (world, "\nYou wait."); }
-void startpos(struct World * world) {
-// Initialize some default starting values.
- world->turn = 1;
- world->player->y = 8;
- world->player->x = 8;
- world->monster->y = 55;
- world->monster->x = 55; }
-
unsigned char meta_keys(int key, struct World * world, struct WinMeta * win_meta, struct Win * win_keys,
struct Win * win_map, struct Win * win_info, struct Win * win_log) {
// Call some meta program / window management actions dependent on key. Return 1 to signal quitting.
else if (key == get_action_key(world->keybindings, "toggle log window"))
toggle_window(win_meta, win_log);
else if (key == get_action_key(world->keybindings, "cycle forwards"))
- cycle_active_window(win_meta, 'n');
+ cycle_active_win(win_meta, 'n');
else if (key == get_action_key(world->keybindings, "cycle backwards"))
- cycle_active_window(win_meta, 'p');
+ cycle_active_win(win_meta, 'p');
else if (key == get_action_key(world->keybindings, "shift forwards"))
- shift_active_window(win_meta, 'f');
+ shift_active_win(win_meta, 'f');
else if (key == get_action_key(world->keybindings, "shift backwards"))
- shift_active_window(win_meta, 'b');
+ shift_active_win(win_meta, 'b');
else if (key == get_action_key(world->keybindings, "grow horizontally"))
growshrink_active_window(win_meta, '*');
else if (key == get_action_key(world->keybindings, "shrink horizontally"))
struct World world;
world.interactive = 1;
int opt;
- while ((opt = getopt(argc, argv, "s")) != -1) {
+ uint32_t start_turn;
+ while ((opt = getopt(argc, argv, "s::")) != -1) {
switch (opt) {
case 's':
world.interactive = 0;
+ start_turn = 0;
+ if (optarg)
+ start_turn = atoi(optarg);
break;
default:
exit(EXIT_FAILURE); } }
- init_keybindings(&world);
world.log = calloc(1, sizeof(char));
update_log (&world, " ");
struct Player player;
struct Monster monster;
world.monster = &monster;
FILE * file;
-
- if (0 == world.interactive) {
- startpos(&world);
- file = fopen("record", "r");
- world.seed = read_uint32_bigendian(file); }
+ if (1 == world.interactive && 0 == access("savefile", F_OK)) {
+ file = fopen("savefile", "r");
+ world.seed = read_uint32_bigendian(file);
+ world.turn = read_uint32_bigendian(file);
+ player.y = read_uint16_bigendian(file);
+ player.x = read_uint16_bigendian(file);
+ monster.y = read_uint16_bigendian(file);
+ monster.x = read_uint16_bigendian(file);
+ fclose(file); }
else {
- if (0 == access("savefile", F_OK))
- load_game(&world);
+ world.turn = 1;
+ if (0 == world.interactive) {
+ file = fopen("record", "r");
+ world.seed = read_uint32_bigendian(file); }
else {
- startpos(&world);
- world.seed = time(NULL);
file = fopen("record", "w");
+ world.seed = time(NULL);
write_uint32_bigendian(world.seed, file);
fclose(file); } }
rrand(1, world.seed);
struct Map map = init_map();
world.map = ↦
+ if (1 == world.turn) {
+ for (player.y = player.x = 0; 0 == is_passable(&map, player.y, player.x);) {
+ player.y = rrand(0, 0) % map.height;
+ player.x = rrand(0, 0) % map.width; }
+ for (monster.y = monster.x = 0; 0 == is_passable(&map, monster.y, monster.x);) {
+ monster.y = rrand(0, 0) % map.height;
+ monster.x = rrand(0, 0) % map.width; } }
WINDOW * screen = initscr();
noecho();
curs_set(0);
keypad(screen, TRUE);
raw();
+ init_keybindings(&world);
struct WinMeta win_meta = init_win_meta(screen);
- struct Win win_keys = init_window(&win_meta, "Keys", &world, draw_keys_win);
- struct Win win_map = init_window(&win_meta, "Map", &world, draw_map_win);
- struct Win win_info = init_window(&win_meta, "Info", &world, draw_info_win);
- struct Win win_log = init_window(&win_meta, "Log", &world, draw_log_win);
- win_keys.width = 29;
- win_map.width = win_meta.width - win_keys.width - win_log.width - 2;
- win_info.height = 1;
- win_log.height = win_meta.height - 3;
+ struct Win win_keys = init_win(&win_meta, "Keys", &world, draw_keys_win);
+ struct Win win_map = init_win(&win_meta, "Map", &world, draw_map_win);
+ struct Win win_info = init_win(&win_meta, "Info", &world, draw_info_win);
+ struct Win win_log = init_win(&win_meta, "Log", &world, draw_log_win);
+ win_keys.frame.size.x = 29;
+ win_map.frame.size.x = win_meta.pad.size.x - win_keys.frame.size.x - win_log.frame.size.x - 2;
+ win_info.frame.size.y = 1;
+ win_log.frame.size.y = win_meta.pad.size.y - 3;
toggle_window(&win_meta, &win_keys);
toggle_window(&win_meta, &win_map);
toggle_window(&win_meta, &win_info);
toggle_window(&win_meta, &win_log);
int key;
- unsigned char quit_called;
+ unsigned char quit_called = 0;
if (0 == world.interactive) {
unsigned char still_reading_file = 1;
int action;
while (1) {
- draw_all_windows (&win_meta);
- key = getch();
- if (1 == still_reading_file && key == get_action_key(world.keybindings, "wait / next turn") ) {
+ if (start_turn == world.turn)
+ start_turn = 0;
+ if (0 == start_turn) {
+ draw_all_wins (&win_meta);
+ key = getch(); }
+ if (1 == still_reading_file &&
+ (world.turn < start_turn || key == get_action_key(world.keybindings, "wait / next turn")) ) {
action = getc(file);
- if (EOF == action)
- still_reading_file = 0;
+ if (EOF == action) {
+ start_turn = 0;
+ still_reading_file = 0; }
else if (0 == action)
player_wait (&world);
else if ('s' == action)
if (last_turn != world.turn) {
save_game(&world);
last_turn = world.turn; }
- draw_all_windows (&win_meta);
+ draw_all_wins (&win_meta);
key = getch();
if (key == get_action_key(world.keybindings, "player down"))
move_player(&world, 's');
projects / plomrogue / blobdiff