-/* src/server/io.c */
+/* src/server/io.c
+ *
+ * This file is part of PlomRogue. PlomRogue is licensed under the GPL version 3
+ * or any later version. For details on its copyright, license, and warranties,
+ * see the file NOTICE in the root directory of the PlomRogue source package.
+ */
#define _POSIX_C_SOURCE 200112L /* snrpintf() */
#include "io.h"
#include <errno.h> /* global errno */
#include <limits.h> /* PIPE_BUF */
-#include <stddef.h> /* size_t, NULL */
+#include <stddef.h> /* NULL */
#include <stdint.h> /* uint8_t, uint16_t, uint32_t, UINT8_MAX */
-#include <stdio.h> /* defines EOF, FILE, sprintf(), fprintf() */
+#include <stdio.h> /* defines FILE, sprintf(), fprintf() */
#include <stdlib.h> /* free() */
#include <string.h> /* strlen(), snprintf(), memcpy(), memset(), strchr() */
#include <sys/types.h> /* time_t */
#include <time.h> /* time(), nanosleep() */
#include "../common/readwrite.h" /* atomic_write_start(), atomic_write_finish(),
- * try_fwrite(), try_fputc(), try_fgetc()
+ * get_message_from_queue(), try_fwrite(),
+ * read_file_into_queue(), try_fputc()
*/
#include "../common/rexit.h" /* exit_trouble() */
#include "../common/try_malloc.h" /* try_malloc() */
#include "cleanup.h" /* set_cleanup_flag() */
#include "hardcoded_strings.h" /* s */
-#include "things.h" /* Thing, ThingType, ThingAction, get_thing_type(),
- * get_player()
+#include "things.h" /* Thing, ThingType, ThingInMemory, ThingAction,
+ * get_thing_type(), get_player()
*/
#include "world.h" /* global world */
/* 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
- * start with \0 bytes, those are cut out, but NULL is returned instead of "".
-*/
-static char * get_message_from_queue();
-
/* 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'.
+ * poll only every 0.03 seconds. Translate '\n' chars in input file into '\0'.
*/
-static void read_file_into_queue();
+static void try_growing_queue();
/* Write world state as visible to clients to its file. Write single dot line to
* server output file to satisfy client ping mechanisms.
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.
+ * whitespace. Super-impose over visible map cells things positioned there,
+ * with animate things overwriting inanimate things, and inanimate consumable
+ * things overwriting inanimate non-consumable things.
*/
static char * build_visible_map(struct Thing * player);
/* Write to "file" game map as visible to "player" right now, as drawn by
* build_visible_map(), and thereafter game map as memorized by player in its
- * .mem_map. Write one row per \n-delimited line.
+ * .mem_map and .t_mem. Write one row per \n-delimited line.
*/
static void write_map(struct Thing * player, FILE * file);
try_fputc('\n', file, __func__);
}
free(mem_map_copy);
- }
- try_fputc('\n', file, __func__);
-}
-
-
-
-static char * get_message_from_queue()
-{
- char * message = NULL;
- if (world.queue_size)
- {
- size_t cutout_len = strlen(world.queue);
- if (0 < cutout_len)
+ struct ThingInMemory * tm = t->t_mem;
+ for (; tm; tm = tm->next)
{
- cutout_len++;
- message = try_malloc(cutout_len, __func__);
- memcpy(message, world.queue, cutout_len);
- }
- for (;
- cutout_len != world.queue_size && '\0' == world.queue[cutout_len];
- cutout_len++);
- world.queue_size = world.queue_size - cutout_len;
- if (0 == world.queue_size)
- {
- free(world.queue); /* NULL so read_file_into_queue() may free() */
- world.queue = NULL; /* this every time, even when it's */
- } /* un-allocated first. */
- else
- {
- char * new_queue = try_malloc(world.queue_size, __func__);
- memcpy(new_queue, &(world.queue[cutout_len]), world.queue_size);
- free(world.queue);
- world.queue = new_queue;
+ write_key_space(file, s[S_CMD_T_MEMTHING]);
+ write_value(file, tm->type);
+ try_fputc(' ', file, __func__);
+ write_value(file, tm->pos.y);
+ try_fputc(' ', file, __func__);
+ write_value(file, tm->pos.x);
+ try_fputc('\n', file, __func__);
}
}
- return message;
+ try_fputc('\n', file, __func__);
}
-static void read_file_into_queue()
+static void try_growing_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, __func__)))
+ while (1)
{
- nanosleep(&dur, NULL);
- if (time(0) > now + wait_seconds)
+ if (read_file_into_queue(world.file_in, &world.queue,&world.queue_size))
{
return;
}
- }
- do
- {
- char c = (char) test;
- if ('\n' == c)
+ nanosleep(&dur, NULL);
+ if (time(0) > now + wait_seconds)
{
- c = '\0';
+ return;
}
- char * new_queue = try_malloc(world.queue_size + 1, __func__);
- memcpy(new_queue, world.queue, world.queue_size);
- char * new_pos = new_queue + world.queue_size;
- * new_pos = c;
- world.queue_size++;
- free(world.queue);
- world.queue = new_queue;
}
- while (EOF != (test = try_fgetc(world.file_in, __func__)));
}
write_value_as_line(player->pos.x, 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, __func__);
- }
atomic_write_finish(file, s[S_PATH_WORLDSTATE], path_tmp);
set_cleanup_flag(CLEANUP_WORLDSTATE);
char * dot = ".\n";
static void write_inventory(struct Thing * player, FILE * file)
{
struct Thing * owned = player->owns;
- if (NULL == owned)
+ if (!owned)
{
char * empty = "(none)\n";
try_fwrite(empty, strlen(empty), 1, file, __func__);
else
{
uint8_t q;
- for (q = 0; NULL != owned; q++)
+ for (q = 0; owned; q++)
{
struct ThingType * tt = get_thing_type(owned->type);
try_fwrite(tt->name, strlen(tt->name), 1, file, __func__);
}
}
struct Thing * t;
- struct ThingType * tt;
char c;
uint8_t i;
- for (i = 0; i < 2; i++)
+ for (i = 0; i < 3; i++)
{
for (t = world.things; t != 0; t = t->next)
{
- if ( 'v'==player->fov_map[t->pos.y*world.map.length+t->pos.x]
- && ( (0 == i && 0 == t->lifepoints)
- || (1 == i && 0 < t->lifepoints)))
+ if ('v' == player->fov_map[t->pos.y*world.map.length+t->pos.x])
{
- tt = get_thing_type(t->type);
- c = tt->char_on_map;
- visible_map[t->pos.y * world.map.length + t->pos.x] = c;
+ struct ThingType * tt = get_thing_type(t->type);
+ if ( (0 == i && !t->lifepoints && !tt->consumable)
+ || (1 == i && !t->lifepoints && tt->consumable)
+ || (2 == i && t->lifepoints))
+ {
+ c = tt->char_on_map;
+ visible_map[t->pos.y * world.map.length + t->pos.x] = c;
+ }
}
}
}
try_fputc('\n', file, __func__);
}
free(visible_map);
+ uint32_t map_size = world.map.length * world.map.length;
+ char * mem_map = try_malloc(map_size, __func__);
+ memcpy(mem_map, player->mem_map, map_size);
+ uint8_t i;
+ struct ThingInMemory * tm;
+ for (i = 0; i < 2; i++)
+ {
+ for (tm = player->t_mem; tm; tm = tm->next)
+ {
+ if (' ' != player->mem_map[tm->pos.y*world.map.length+tm->pos.x])
+ {
+ struct ThingType * tt = get_thing_type(tm->type);
+ if ( (0 == i && !tt->consumable)
+ || (1 == i && tt->consumable))
+ {
+ char c = tt->char_on_map;
+ mem_map[tm->pos.y * world.map.length + tm->pos.x] = c;
+ }
+ }
+ }
+ }
for (y = 0; y < world.map.length; y++)
{
for (x = 0; x < world.map.length; x++)
{
- try_fputc(player->mem_map[y * world.map.length + x], file, __func__);
+ try_fputc(mem_map[y * world.map.length + x], file, __func__);
}
try_fputc('\n', file, __func__);
}
+ free(mem_map);
}
{
if (0 < world.queue_size)
{
- return get_message_from_queue();
+ return get_message_from_queue(&world.queue, &world.queue_size);
}
if (world.do_update)
{
update_worldstate_file();
world.do_update = 0;
}
- read_file_into_queue();
- if (world.queue_size && '\0' != world.queue[world.queue_size - 1])
- {
- char * new_queue = try_malloc(world.queue_size + 1, __func__);
- memcpy(new_queue, world.queue, world.queue_size);
- new_queue[world.queue_size] = '\0';
- world.queue_size++;
- free(world.queue);
- world.queue = new_queue;
- }
- return get_message_from_queue();
+ try_growing_queue();
+ return get_message_from_queue(&world.queue, &world.queue_size);
}
exit_trouble(test < 0, __func__, "fprintf");
write_key_space_string(file, s[S_CMD_TT_NAME], tt->name);
write_key_space_value(file, s[S_CMD_TT_CONSUM], tt->consumable);
+ write_key_space_value(file, s[S_CMD_TT_PROL], tt->proliferate);
try_fputc('\n', file, __func__);
}
for (tt = world.thing_types; tt; tt = tt->next)
projects / plomrogue / blobdiff