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).
-void save_game(struct World * world) {
-// Save game data to game file.
- FILE * file = fopen("savefile", "w");
- write_uint32_bigendian(world->seed, file);
- write_uint32_bigendian(world->turn, file);
- write_uint16_bigendian(world->player->y, file);
- write_uint16_bigendian(world->player->x, file);
- write_uint16_bigendian(world->monster->y, file);
- write_uint16_bigendian(world->monster->x, file);
- fclose(file); }
-
-void toggle_window (struct WinMeta * win_meta, struct Win * win) {
-// Toggle display of window win.
- if (0 != win->frame.curses_win)
- suspend_win(win_meta, win);
- else
- 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->frame.size.y;
- uint16_t width = win_meta->active->frame.size.x;
- if (change == '-')
- height--;
- else if (change == '+')
- height++;
- else if (change == '_')
- width--;
- else if (change == '*')
- width++;
- resize_active_win (win_meta, height, width); } }
-
struct Map init_map () {
// Initialize map with some experimental start values.
struct Map map;
map.cells[y * map.width + x] = '.'; }
return map; }
-void map_scroll (struct Map * map, char dir) {
-// Scroll map into direction dir if possible by changing the offset.
- if ('n' == dir && map->offset_y > 0)
- map->offset_y--;
- else if ('s' == dir)
- map->offset_y++;
- else if ('w' == dir && map->offset_x > 0)
- map->offset_x--;
- else if ('e' == dir)
- map->offset_x++; }
+void save_game(struct World * world) {
+// Save game data to game file.
+ FILE * file = fopen("savefile", "w");
+ write_uint32_bigendian(world->seed, file);
+ write_uint32_bigendian(world->turn, file);
+ write_uint16_bigendian(world->player->y, file);
+ write_uint16_bigendian(world->player->x, file);
+ write_uint16_bigendian(world->monster->y, file);
+ write_uint16_bigendian(world->monster->x, file);
+ write_uint16_bigendian(world->monster->next->y, file);
+ write_uint16_bigendian(world->monster->next->x, file);
+ write_uint16_bigendian(world->monster->next->next->y, file);
+ write_uint16_bigendian(world->monster->next->next->x, file);
+ fclose(file); }
+
+void record_action (char action) {
+// Append action to game record file.
+ FILE * file = fopen("record", "a");
+ fputc(action, file);
+ fclose(file); }
void next_turn (struct World * world) {
// Increment turn and move enemy.
world->turn++;
rrand(1, world->seed * world->turn);
- char d = rrand(0, 0) % 5;
- uint16_t ty = world->monster->y;
- uint16_t tx = world->monster->x;
- if (1 == d)
- ty++;
- else if (2 == d)
- ty--;
- else if (3 == d)
- tx++;
- else if (4 == d)
- tx--;
- if (tx == world->player->x && ty == world->player->y)
- update_log(world, "\nThe monster hits you.");
- else if (is_passable(world->map, ty, tx)) {
- world->monster->y = ty;
- world->monster->x = tx; } }
+ char d;
+ struct Monster * monster;
+ uint16_t ty, tx;
+ for (monster = world->monster; monster != 0; monster = monster->next) {
+ d = rrand(0, 0) % 5;
+ ty = monster->y;
+ tx = monster->x;
+ if (1 == d)
+ ty++;
+ else if (2 == d)
+ ty--;
+ else if (3 == d)
+ tx++;
+ else if (4 == d)
+ tx--;
+ if (tx == world->player->x && ty == world->player->y)
+ update_log(world, "\nThe monster hits you.");
+ else if (is_passable(world->map, ty, tx)) {
+ monster->y = ty;
+ monster->x = tx; } } }
void update_log (struct World * world, char * text) {
// Update log with new text to be appended.
free(world->log);
world->log = new_text; }
-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 < map->width && 0 <= y && y < map->height)
- if ('.' == map->cells[y * map->width + x])
- passable = 1;
- return passable; }
-
-void record_action (char action) {
-// Append action to game record file.
- FILE * file = fopen("record", "a");
- fputc(action, file);
- fclose(file); }
-
void move_player (struct World * world, char d) {
// Move player in direction d, increment turn counter and update log.
static char prev = 0;
if ('e' == d) {
dir = "east";
tx++; }
- if (ty == world->monster->y && tx == world->monster->x)
- success = 2;
- else if (is_passable(world->map, ty, tx)) {
+ struct Monster * monster;
+ for (monster = world->monster; monster != 0; monster = monster->next)
+ if (ty == monster->y && tx == monster->x) {
+ success = 2;
+ break; }
+ if (2 != success && is_passable(world->map, ty, tx)) {
success = 1;
world->player->y = ty;
world->player->x = tx; }
record_action(d);
next_turn (world); }
+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 < map->width && 0 <= y && y < map->height)
+ if ('.' == map->cells[y * map->width + x])
+ passable = 1;
+ return passable; }
+
void player_wait (struct World * world) {
// Make player wait one turn.
if (1 == world->interactive)
next_turn (world);
update_log (world, "\nYou wait."); }
+void toggle_window (struct WinMeta * win_meta, struct Win * win) {
+// Toggle display of window win.
+ if (0 != win->frame.curses_win)
+ suspend_win(win_meta, win);
+ else
+ 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->frame.size.y;
+ uint16_t width = win_meta->active->frame.size.x;
+ if (change == '-')
+ height--;
+ else if (change == '+')
+ height++;
+ else if (change == '_')
+ width--;
+ else if (change == '*')
+ width++;
+ resize_active_win (win_meta, height, width); } }
+
+void map_scroll (struct Map * map, char dir) {
+// Scroll map into direction dir if possible by changing the offset.
+ if ('n' == dir && map->offset_y > 0)
+ map->offset_y--;
+ else if ('s' == dir)
+ map->offset_y++;
+ else if ('w' == dir && map->offset_x > 0)
+ map->offset_x--;
+ else if ('e' == dir)
+ map->offset_x++; }
+
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.
update_log (&world, " ");
struct Player player;
world.player = &player;
- struct Monster monster;
- world.monster = &monster;
+ struct Monster monster1;
+ struct Monster monster2;
+ struct Monster monster3;
+ world.monster = &monster1;
+ monster1.next = &monster2;
+ monster2.next = &monster3;
+ monster3.next = 0;
+ monster1.name = 'A';
+ monster2.name = 'B';
+ monster3.name = 'C';
FILE * file;
if (1 == world.interactive && 0 == access("savefile", F_OK)) {
file = fopen("savefile", "r");
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);
+ monster1.y = read_uint16_bigendian(file);
+ monster1.x = read_uint16_bigendian(file);
+ monster2.y = read_uint16_bigendian(file);
+ monster2.x = read_uint16_bigendian(file);
+ monster3.y = read_uint16_bigendian(file);
+ monster3.x = read_uint16_bigendian(file);
fclose(file); }
else {
world.turn = 1;
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; } }
+ struct Monster * monster;
+ for (monster = world.monster; monster != 0; monster = monster->next)
+ 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();
projects / plomrogue / blobdiff