/* 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 "map.h" /* yx_to_map_pos() */
+#include "map_objects.h" /* structs MapObj, MapObjDef, get_map_obj_def(),
+ * get_player()
+ */
#include "world.h" /* global world */
*/
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();
/* Write to "file" player's inventory, one item name per line. End in "%\n". */
static void write_inventory(struct MapObj * player, FILE * file);
-/* Write to "file" game map, with map objects super-imposed. Write one row per
- * \n-delimited line. Super-impose animated objects over inanimate objects.
+/* Return map cells sequence as visible to the "player", with invisible cells as
+ * whitespace. Super-impose over visible map cells map objects positioned there.
*/
-static void write_map(FILE * file);
+static char * build_visible_map(struct MapObj * player);
+
+/* Write to "file" game map as visible to "player", build_visible_map()-drawn.
+ * Write one row per \n-delimited line.
+ */
+static void write_map(struct MapObj * player, FILE * file);
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;
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);
-static void write_map(FILE * file)
+static char * build_visible_map(struct MapObj * 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);
+ 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);
+ uint16_t pos_i;
+ for (pos_i = 0; pos_i < map_size; pos_i++)
+ {
+ if (player->fov_map[pos_i] & VISIBLE)
+ {
+ visible_map[pos_i] = world.map.cells[pos_i];
+ }
+ }
struct MapObj * o;
struct MapObjDef * d;
char c;
{
for (o = world.map_objs; o != 0; o = o->next)
{
- if (( (0 == i && 0 == o->lifepoints)
- || (1 == i && 0 < o->lifepoints)))
+ if ( player->fov_map[yx_to_map_pos(&o->pos)] & VISIBLE
+ && ( (0 == i && 0 == o->lifepoints)
+ || (1 == i && 0 < o->lifepoints)))
{
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[yx_to_map_pos(&o->pos)] = c;
}
}
}
- uint16_t x, y;
- for (y = 0; y < world.map.size.y; y++)
- {
- for (x = 0; x < world.map.size.x; x++)
- {
- try_fputc(visible_map[(y * world.map.size.x) + x], file, f_name);
- }
- 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 MapObj * 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)
- {
- break;
- }
- 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)
+ for (x = 0; x < world.map.length; x++)
{
- err_line(entry->id == entry_test->id, line, context, err_uniq);
+ try_fputc(visible_map[(y * world.map.length) + x], file, f_name);
}
- 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);
}
projects / plomrogue / blobdiff