/* src/server/io.c */
+#define _POSIX_C_SOURCE 199309L
#include "io.h"
#include <errno.h> /* global errno */
#include <limits.h> /* PIPE_BUF */
#include <stddef.h> /* size_t, NULL */
-#include <stdint.h> /* uint8_t, uint32_t */
-#include <stdio.h> /* defines EOF, FILE, sprintf(), ungetc() */
-#include <stdlib.h> /* free(), atoi() */
-#include <string.h> /* strlen(), memcpy() */
+#include <stdint.h> /* uint8_t, uint16_t, uint32_t */
+#include <stdio.h> /* defines EOF, FILE, sprintf() */
+#include <stdlib.h> /* free() */
+#include <string.h> /* strlen(), memcpy(), memset() */
#include <sys/types.h> /* time_t */
-#include <time.h> /* time() */
-#include "../common/err_try_fgets.h" /* err_try_fgets(), err_line(),
- * reset_err_try_fgets_counter()
- */
+#include <time.h> /* time(), nanosleep() */
#include "../common/readwrite.h" /* try_fopen(), try_fclose_unlink_rename(),
- * try_fwrite(), try_fputc(), try_fgetc(),
- * try_fclose()
+ * try_fwrite(), try_fputc(), try_fgetc()
*/
#include "../common/rexit.h" /* exit_trouble() */
#include "../common/try_malloc.h" /* try_malloc() */
-#include "cleanup.h" /* set_cleanup_flag(), enum cleanup_flag */
-#include "map_objects.h" /* structs MapObj, MapObjDef, get_map_obj_def() */
+#include "cleanup.h" /* set_cleanup_flag() */
+#include "field_of_view.h" /* VISIBLE */
+#include "hardcoded_strings.h" /* s */
+#include "map.h" /* yx_to_map_pos() */
+#include "things.h" /* Thing, ThingType, get_thing_type(), get_player() */
#include "world.h" /* global world */
+/* Write to "file" god commands (one per line) to recreate thing "t". */
+static void write_key_value(FILE * file, char * key, uint32_t value);
+
+/* Write to "file" \n-delimited line of "key" + space + "value" as string. */
+static void write_thing(FILE * file, struct Thing * t);
+
/* Cut out and return first \0-terminated string from world.queue and
* appropriately reduce world.queue_size. Return NULL if queue is empty.
* Superfluous \0 bytes after the string are also cut out. Should the queue
*/
static char * get_message_from_queue();
-/* Read input file for input into world.queue. new queue input. Wait a few
- * seconds until giving up. Translate '\n' chars in input file into '\0' chars.
+/* Poll input file for world.queue input. Wait a few seconds until giving up;
+ * poll only every 0.03 seconds.. Translate '\n' chars in input file into '\0'.
*/
static void read_file_into_queue();
static void write_value_as_line(uint32_t value, FILE * file);
/* Write to "file" player's inventory, one item name per line. End in "%\n". */
-static void write_inventory(struct MapObj * player, FILE * file);
+static void write_inventory(struct Thing * player, FILE * file);
+
+/* Return map cells sequence as visible to the "player", with invisible cells as
+ * whitespace. Super-impose over visible map cells things positioned there.
+ */
+static char * build_visible_map(struct Thing * player);
-/* Write to "file" game map, with map objects super-imposed. Write one row per
- * \n-delimited line. Super-impose animated objects over inanimate objects.
+/* Write to "file" game map as visible to "player", build_visible_map()-drawn.
+ * Write one row per \n-delimited line.
*/
-static void write_map(FILE * file);
+static void write_map(struct Thing * player, FILE * file);
+
+
+
+static void write_key_value(FILE * file, char * key, uint32_t value)
+{
+ char * f_name = "write_key_value()";
+ try_fwrite(key, strlen(key), 1, file, f_name);
+ try_fputc(' ', file, f_name);
+ char * line = try_malloc(11, f_name);
+ exit_trouble(-1 == sprintf(line, "%u", value), f_name, "sprintf()");
+ try_fwrite(line, strlen(line), 1, file, f_name);
+ free(line);
+ try_fputc('\n', file, f_name);
+}
+
+
+
+static void write_thing(FILE * file, struct Thing * t)
+{
+ char * f_name = "write_thing()";
+ struct Thing * o;
+ for (o = t->owns; o; o = o->next)
+ {
+ write_thing(file, o);
+ }
+ write_key_value(file, s[CMD_THING], t->id);
+ write_key_value(file, s[CMD_TYPE], t->type);
+ write_key_value(file, s[CMD_POS_Y], t->pos.y);
+ write_key_value(file, s[CMD_POS_X], t->pos.x);
+ write_key_value(file, s[CMD_COMMAND], t->command);
+ write_key_value(file, s[CMD_ARGUMENT], t->arg);
+ write_key_value(file, s[CMD_PROGRESS], t->progress);
+ write_key_value(file, s[CMD_LIFEPOINTS], t->lifepoints);
+ for (o = t->owns; o; o = o->next)
+ {
+ write_key_value(file, s[CMD_CARRIES], o->id);
+ }
+ try_fputc('\n', file, f_name);
+}
char * f_name = "read_file_into_queue()";
uint8_t wait_seconds = 5;
time_t now = time(0);
+ struct timespec dur;
+ dur.tv_sec = 0;
+ dur.tv_nsec = 33333333;
int test;
while (EOF == (test = try_fgetc(world.file_in, f_name)))
{
+ nanosleep(&dur, NULL);
if (time(0) > now + wait_seconds)
{
return;
static void update_worldstate_file()
{
char * f_name = "update_worldstate_file()";
- char path_tmp[strlen(world.path_worldstate) + strlen(world.tmp_suffix) + 1];
- sprintf(path_tmp, "%s%s", world.path_worldstate, world.tmp_suffix);
+ uint16_t size = strlen(s[PATH_WORLDSTATE]) + strlen(s[PATH_SUFFIX_TMP]) + 1;
+ char * path_tmp = try_malloc(size, f_name);
+ sprintf(path_tmp, "%s%s", s[PATH_WORLDSTATE], s[PATH_SUFFIX_TMP]);
FILE * file = try_fopen(path_tmp, "w", f_name);
- struct MapObj * player = get_player();
+ struct Thing * player = get_player();
write_value_as_line(world.turn, file);
write_value_as_line(player->lifepoints, file);
write_inventory(player, file);
write_value_as_line(player->pos.y, file);
write_value_as_line(player->pos.x, file);
- write_value_as_line(world.map.size.y, file);
- write_value_as_line(world.map.size.x, file);
- write_map(file);
+ write_value_as_line(world.map.length, file);
+ write_map(player, file);
if (world.log)
{
try_fwrite(world.log, strlen(world.log), 1, file, f_name);
}
- try_fclose_unlink_rename(file, path_tmp, world.path_worldstate, f_name);
+ try_fclose_unlink_rename(file, path_tmp, s[PATH_WORLDSTATE], f_name);
+ free(path_tmp);
set_cleanup_flag(CLEANUP_WORLDSTATE);
char * dot = ".\n";;
try_fwrite(dot, strlen(dot), 1, world.file_out, f_name);
-static void write_inventory(struct MapObj * player, FILE * file)
+static void write_inventory(struct Thing * player, FILE * file)
{
char * f_name = "write_inventory()";
- struct MapObj * owned = player->owns;
+ struct Thing * owned = player->owns;
if (NULL == owned)
{
char * empty = "(none)\n";
uint8_t q;
for (q = 0; NULL != owned; q++)
{
- struct MapObjDef * mod = get_map_object_def(owned->type);
- try_fwrite(mod->name, strlen(mod->name), 1, file, f_name);
+ struct ThingType * tt = get_thing_type(owned->type);
+ try_fwrite(tt->name, strlen(tt->name), 1, file, f_name);
try_fputc('\n', file, f_name);
owned = owned->next;
}
-static void write_map(FILE * file)
+static char * build_visible_map(struct Thing * player)
{
- char * f_name = "write_map()";
- uint32_t map_size = world.map.size.y * world.map.size.x;
- char visible_map[map_size];
- memcpy(visible_map, world.map.cells, map_size);
- struct MapObj * o;
- struct MapObjDef * d;
- char c;
- uint8_t i;
- for (i = 0; i < 2; i++)
- {
- for (o = world.map_objs; o != 0; o = o->next)
+ char * f_name = "build_visible_map()";
+ uint32_t map_size = world.map.length * world.map.length;
+ char * visible_map = try_malloc(map_size, f_name);
+ memset(visible_map, ' ', map_size);
+ if (player->fov_map) /* May fail if player thing was created / positioned */
+ { /* by god command after turning off FOV building. */
+ uint32_t pos_i;
+ for (pos_i = 0; pos_i < map_size; pos_i++)
{
- if (( (0 == i && 0 == o->lifepoints)
- || (1 == i && 0 < o->lifepoints)))
+ if (player->fov_map[pos_i] & VISIBLE)
{
- d = get_map_object_def(o->type);
- c = d->char_on_map;
- visible_map[(o->pos.y * world.map.size.x) + o->pos.x] = c;
+ visible_map[pos_i] = world.map.cells[pos_i];
}
}
- }
- uint16_t x, y;
- for (y = 0; y < world.map.size.y; y++)
- {
- for (x = 0; x < world.map.size.x; x++)
+ struct Thing * t;
+ struct ThingType * tt;
+ char c;
+ uint8_t i;
+ for (i = 0; i < 2; i++)
{
- try_fputc(visible_map[(y * world.map.size.x) + x], file, f_name);
+ for (t = world.things; t != 0; t = t->next)
+ {
+ if ( player->fov_map[yx_to_map_pos(&t->pos)] & VISIBLE
+ && ( (0 == i && 0 == t->lifepoints)
+ || (1 == i && 0 < t->lifepoints)))
+ {
+ tt = get_thing_type(t->type);
+ c = tt->char_on_map;
+ visible_map[yx_to_map_pos(&t->pos)] = c;
+ }
+ }
}
- try_fputc('\n', file, f_name);
}
+ return visible_map;
}
-extern void read_config_file(char * path, enum cleanup_flag cleanup,
- size_t size, struct EntrySkeleton ** entry_start,
- void (* read) (char *, uint32_t, char *,
- struct EntrySkeleton *, FILE *))
+static void write_map(struct Thing * player, FILE * file)
{
- char * f_name = "init_map_object_defs()";
- char * context_prefix = "Failed reading config file: ";
- char context[strlen(context_prefix) + strlen(path) + 1];
- sprintf(context, "%s%s", context_prefix, path);
- char * err_uniq = "Declaration of ID already used.";
- FILE * file = try_fopen(path, "r", f_name);
- uint32_t linemax = textfile_width(file);
- char line[linemax + 1];
- reset_err_try_fgets_counter();
- struct EntrySkeleton ** entry_ptr_ptr = entry_start;
- while (1)
+ char * f_name = "write_map()";
+ char * visible_map = build_visible_map(player);
+ uint16_t x, y;
+ for (y = 0; y < world.map.length; y++)
{
- int test_for_end = try_fgetc(file, f_name);
- if (EOF == test_for_end || '\n' == test_for_end)
+ for (x = 0; x < world.map.length; x++)
{
- break;
+ try_fputc(visible_map[(y * world.map.length) + x], file, f_name);
}
- exit_trouble(EOF == ungetc(test_for_end, file), f_name, "ungetc()");
- err_try_fgets(line, linemax, file, context, "nfi8");
- struct EntrySkeleton * entry = try_malloc(size, f_name);
- entry->id = atoi(line);
- struct EntrySkeleton * entry_test = * entry_start;
- for (; NULL != entry_test; entry_test = entry_test->next)
- {
- err_line(entry->id == entry_test->id, line, context, err_uniq);
- }
- read(line, linemax, context, entry, file);
- entry->next = NULL;
- * entry_ptr_ptr = entry;
- entry_ptr_ptr = &entry->next;
- err_try_fgets(line, linemax, file, context, "d");
+ try_fputc('\n', file, f_name);
}
- try_fclose(file, f_name);
- set_cleanup_flag(cleanup);
+ free(visible_map);
}
}
return get_message_from_queue();
}
+
+
+
+extern void save_world()
+{
+ char * f_name = "save_world()";
+ char * path = s[PATH_SAVE];
+ FILE * file = try_fopen(path, "w", f_name);
+ write_key_value(file, s[CMD_DO_FOV], 0);
+ try_fputc('\n', file, f_name);
+ write_key_value(file, s[CMD_SEED_MAP], world.seed_map);
+ write_key_value(file, s[CMD_SEED_RAND], world.seed);
+ write_key_value(file, s[CMD_TURN], world.turn);
+ try_fputc('\n', file, f_name);
+ struct Thing * t;
+ for (t = world.things; t; t = t->next)
+ {
+ write_thing(file, t);
+ }
+ write_key_value(file, s[CMD_DO_FOV], 1);
+ try_fclose(file, f_name);
+}
projects / plomrogue / blobdiff