X-Git-Url: https://plomlompom.com/repos/feed.xml?a=blobdiff_plain;f=src%2Fserver%2Fio.c;fp=src%2Fserver%2Fio.c;h=0000000000000000000000000000000000000000;hb=dcdb99eb5863af512f8f079c320216bfeec5d9e2;hp=06ee838cccdc098e17b47da5eb084139fb3a7d11;hpb=00b22e82c20cdd00058aa96df095435fbbdb2422;p=plomrogue diff --git a/src/server/io.c b/src/server/io.c deleted file mode 100644 index 06ee838..0000000 --- a/src/server/io.c +++ /dev/null @@ -1,441 +0,0 @@ -/* 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 /* global errno */ -#include /* PIPE_BUF */ -#include /* NULL */ -#include /* uint8_t, uint16_t, uint32_t, int32_t, UINT8_MAX */ -#include /* defines FILE, sprintf(), fprintf() */ -#include /* free() */ -#include /* strlen(), snprintf(), memcpy(), strchr() */ -#include /* time_t */ -#include /* time(), nanosleep() */ -#include "../common/readwrite.h" /* atomic_write_start(), atomic_write_finish(), - * 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 "map.h" /* init_empty_map() */ -#include "run.h" /* send_to_outfile() */ -#include "things.h" /* Thing, ThingType, ThingInMemory, ThingAction, - * get_thing_type(), get_player() - */ -#include "world.h" /* global world */ - - - -/* Helpers to write lines of god commands to recreate thing "t". */ -static void write_key_space(FILE * file, char * key); -static void write_uvalue(FILE * file, uint32_t value); -static void write_string(FILE * file, char * string); -static void write_key_space_uvalue(FILE * file, char * key, uint32_t value); -static void write_key_space_svalue(FILE * file, char * key, int32_t value); -static void write_key_space_string(FILE * file, char * key, char * string); - -/* Write to "file" game-map-sized "map" in "command"-prefixed numbered lines. */ -static void write_mem_map(FILE * file, char * map, char * command); - -/* Write to "file" \n-delimited line of "key" + space + "value" as string. */ -static void write_thing(FILE * file, struct Thing * t); - -/* 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 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 update_worldstate_file(); - -/* Write "value" to new \n-delimited line of "file". */ -static void write_value_as_line(int32_t value, FILE * file); - -/* Write to "file" player's inventory, one item name per line. End in "%\n". */ -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, - * 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 and .t_mem. Write one row per \n-delimited line. - */ -static void write_map(struct Thing * player, FILE * file); - - - -static void write_key_space(FILE * file, char * key) -{ - try_fwrite(key, strlen(key), 1, file, __func__); - try_fputc(' ', file, __func__); -} - - - -static void write_uvalue(FILE * file, uint32_t value) -{ - char * line = try_malloc(11, __func__); - exit_trouble(-1 == sprintf(line, "%u", value), __func__, s[S_FCN_SPRINTF]); - try_fwrite(line, strlen(line), 1, file, __func__); - free(line); -} - - - -static void write_string(FILE * file, char * string) -{ - try_fputc('\'', file, __func__); - try_fwrite(string, strlen(string), 1, file, __func__); - try_fputc('\'', file, __func__); -} - - - -static void write_key_space_uvalue(FILE * file, char * key, uint32_t value) -{ - write_key_space(file, key); - write_uvalue(file, value); - try_fputc('\n', file, __func__); -} - - - -static void write_key_space_svalue(FILE * file, char * key, int32_t value) -{ - write_key_space(file, key); - char * line = try_malloc(11, __func__); - exit_trouble(-1 == sprintf(line, "%d", value), __func__, s[S_FCN_SPRINTF]); - try_fwrite(line, strlen(line), 1, file, __func__); - free(line); - try_fputc('\n', file, __func__); -} - - - -static void write_key_space_string(FILE * file, char * key, char * string) -{ - write_key_space(file, key); - write_string(file, string); - try_fputc('\n', file, __func__); -} - - - -static void write_mem_map(FILE * file, char * map, char * command) -{ - if (map) - { - uint32_t map_size = world.map.length * world.map.length;/* snprintf() */ - char * map_copy = try_malloc(map_size + 1, __func__); /* reads one */ - memcpy(map_copy, map, map_size); /* byte beyond map_size */ - map_copy[map_size] = '\0'; /* if string is not \0-terminated. */ - uint16_t y; - char string[UINT8_MAX + 1 + 1]; - for (y = 0; y < world.map.length; y++) - { - int test = snprintf(string, world.map.length + 1, "%s", - map_copy + (y * world.map.length)); - exit_trouble(test < 0, __func__, "snprintf()"); - write_key_space(file, command); - write_uvalue(file, y); - try_fputc(' ', file, __func__); - write_string(file, string); - try_fputc('\n', file, __func__); - } - free(map_copy); - } -} - - - -static void write_thing(FILE * file, struct Thing * t) -{ - struct Thing * o; - for (o = t->owns; o; o = o->next) - { - write_thing(file, o); - } - write_key_space_uvalue(file, s[S_CMD_T_ID], t->id); - struct ThingInMemory * tm = t->t_mem; - for (; tm; tm = tm->next) - { - write_key_space(file, s[S_CMD_T_MEMTHING]); - write_uvalue(file, tm->type); - try_fputc(' ', file, __func__); - write_uvalue(file, tm->pos.y); - try_fputc(' ', file, __func__); - write_uvalue(file, tm->pos.x); - try_fputc('\n', file, __func__); - } - write_key_space_uvalue(file, s[S_CMD_T_COMMAND], t->command); - write_key_space_uvalue(file, s[S_CMD_T_HP], t->lifepoints); - write_key_space_uvalue(file, s[S_CMD_T_TYPE], t->type); - write_key_space_uvalue(file, s[S_CMD_T_ARGUMENT], t->arg); - write_key_space_uvalue(file, s[S_CMD_T_POSY], t->pos.y); - write_key_space_uvalue(file, s[S_CMD_T_POSX], t->pos.x); - write_key_space_uvalue(file, s[S_CMD_T_PROGRESS], t->progress); - write_mem_map(file, t->mem_depth_map, s[S_CMD_T_MEMDEPTHMAP]); - write_key_space_svalue(file, s[S_CMD_T_SATIATION], t->satiation); - write_mem_map(file, t->mem_map, s[S_CMD_T_MEMMAP]); -} - - - -static void write_thing_carrying(FILE * file, struct Thing * t) -{ - if (t->owns) - { - write_key_space_uvalue(file, s[S_CMD_T_ID], t->id); - struct Thing * o; - for (o = t->owns; o; o = o->next) - { - write_key_space_uvalue(file, s[S_CMD_T_CARRIES], o->id); - } - } -} - - - -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; - while (1) - { - if (read_file_into_queue(world.file_in, &world.queue)) - { - return; - } - nanosleep(&dur, NULL); - if (time(0) > now + wait_seconds) - { - return; - } - } -} - - - -static void update_worldstate_file() -{ - char * path_tmp; - FILE * file = atomic_write_start(s[S_PATH_WORLDSTATE], &path_tmp); - struct Thing * player = get_player(); - write_value_as_line(world.turn, file); - write_value_as_line(player->lifepoints, file); - write_value_as_line(player->satiation, 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.length, file); - write_map(player, file); - atomic_write_finish(file, s[S_PATH_WORLDSTATE], path_tmp); - set_cleanup_flag(CLEANUP_WORLDSTATE); - char * dot = ".\n"; - try_fwrite(dot, strlen(dot), 1, world.file_out, __func__); - fflush(world.file_out); -} - - - -static void write_value_as_line(int32_t value, FILE * file) -{ - char write_buf[13]; /* Hold "+"/"-" + 10 digits of int32_t max + \n + \0. */ - exit_trouble(sprintf(write_buf,"%u\n",value) < 0,__func__,s[S_FCN_SPRINTF]); - try_fwrite(write_buf, strlen(write_buf), 1, file, __func__); -} - - - -static void write_inventory(struct Thing * player, FILE * file) -{ - struct Thing * owned = player->owns; - if (!owned) - { - char * empty = "(none)\n"; - try_fwrite(empty, strlen(empty), 1, file, __func__); - } - else - { - uint8_t q; - for (q = 0; owned; q++) - { - struct ThingType * tt = get_thing_type(owned->type); - try_fwrite(tt->name, strlen(tt->name), 1, file, __func__); - try_fputc('\n', file, __func__); - owned = owned->next; - } - } - try_fputc('%', file, __func__); - try_fputc('\n', file, __func__); -} - - - -static char * build_visible_map(struct Thing * player) -{ - char * visible_map; - init_empty_map(&visible_map); - if (player->fov_map) /* May fail if player thing was created / positioned */ - { /* by god command after turning off FOV building. */ - uint32_t pos_i = 0; - for (; pos_i < (uint32_t) world.map.length * world.map.length; pos_i++) - { - if (player->fov_map[pos_i] == 'v') - { - visible_map[pos_i] = world.map.cells[pos_i]; - } - } - struct Thing * t; - char c; - uint8_t 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]) - { - 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; - } - } - } - } - } - return visible_map; -} - - - -static void write_map(struct Thing * player, FILE * file) -{ - char * visible_map = build_visible_map(player); - uint16_t x, y; - for (y = 0; y < world.map.length; y++) - { - for (x = 0; x < world.map.length; x++) - { - try_fputc(visible_map[y * world.map.length + x], file, __func__); - } - 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(mem_map[y * world.map.length + x], file, __func__); - } - try_fputc('\n', file, __func__); - } - free(mem_map); -} - - - -extern char * io_round() -{ - if (world.queue && strlen(world.queue)) - { - return get_message_from_queue(&world.queue); - } - if (world.do_update) - { - update_worldstate_file(); - send_to_outfile("WORLD_UPDATED\n", 1); - world.do_update = 0; - } - try_growing_queue(); - return get_message_from_queue(&world.queue); -} - - - -extern void save_world() -{ - char * path_tmp; - FILE * file = atomic_write_start(s[S_PATH_SAVE], &path_tmp); - write_key_space_uvalue(file, s[S_CMD_TURN], world.turn); - write_key_space_uvalue(file, s[S_CMD_PLAYTYPE], world.player_type); - write_key_space_uvalue(file, s[S_CMD_MAPLENGTH], world.map.length); - write_key_space_uvalue(file, s[S_CMD_SEED_MAP], world.seed_map); - struct ThingAction * ta; - for (ta = world.thing_actions; ta; ta = ta->next) - { - write_key_space_uvalue(file, s[S_CMD_TA_ID], ta->id); - write_key_space_uvalue(file, s[S_CMD_TA_EFFORT], ta->effort); - write_key_space_string(file, s[S_CMD_TA_NAME], ta->name); - } - struct ThingType * tt; - for (tt = world.thing_types; tt; tt = tt->next) - { - write_key_space_uvalue(file, s[S_CMD_TT_ID], tt->id); - write_key_space_uvalue(file, s[S_CMD_TT_STARTN], tt->start_n); - int test = fprintf(file, "%s '%c'\n", s[S_CMD_TT_SYMB], tt->char_on_map); - exit_trouble(test < 0, __func__, "fprintf"); - write_key_space_string(file, s[S_CMD_TT_NAME], tt->name); - write_key_space_uvalue(file, s[S_CMD_TT_PROL], tt->proliferate); - write_key_space_uvalue(file, s[S_CMD_TT_HP], tt->lifepoints); - write_key_space_uvalue(file, s[S_CMD_TT_CONSUM], tt->consumable); - } - for (tt = world.thing_types; tt; tt = tt->next) - { - write_key_space_uvalue(file, s[S_CMD_TT_ID], tt->id); - write_key_space_uvalue(file, s[S_CMD_TT_CORPS], tt->corpse_id); - } - struct Thing * t; - for (t = world.things; t; t = t->next) - { - write_thing(file, t); - } - for (t = world.things; t; t = t->next) - { - write_thing_carrying(file, t); - } - write_key_space_uvalue(file, s[S_CMD_SEED_RAND], world.seed); - write_key_space_uvalue(file, s[S_CMD_WORLD_ACTIVE], 1); - atomic_write_finish(file, s[S_PATH_SAVE], path_tmp); -}