-/* src/server/run.c */
+/* src/server/run.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 200809L
+#define _POSIX_C_SOURCE 200809L /* strdup() */
#include "run.h"
#include <stddef.h> /* NULL */
-#include <stdint.h> /* uint8_t, uint16_t, uint32_t */
+#include <stdint.h> /* uint8_t, uint16_t, uint32_t, int16_t */
#include <stdio.h> /* FILE, printf(), fflush() */
-#include <stdlib.h> /* free() */
+#include <stdlib.h> /* atoi(), free() */
#include <string.h> /* strlen(), strcmp(), strncmp(), strdup() */
#include <time.h> /* time_t, time() */
#include <unistd.h> /* access() */
#include "../common/parse_file.h" /* set_err_line_options(), token_from_line(),
- * err_line(), err_line_inc(), parse_val()
+ * err_line(), err_line_inc(), parse_val(),
+ * parestest_int()
*/
#include "../common/readwrite.h" /* try_fopen(), try_fcose(), try_fwrite(),
* try_fgets(), textfile_width(), try_fputc(),
#include "god_commands.h" /* parse_god_command_(1|2|3)arg() */
#include "hardcoded_strings.h" /* s */
#include "io.h" /* io_round(), save_world() */
-#include "things.h" /* Thing, get_thing_action_id_by_name(), get_player() */
+#include "things.h" /* Thing, ThingType, get_thing_action_id_by_name(),
+ * get_player(), try_thing_proliferation()
+ */
#include "world.h" /* world */
/* Return 1 on world.exists, else 0 and err_line() appropriate error message. */
static uint8_t player_commands_allowed();
-/* Parse player command "tok0" with no argument to player action. */
+/* Parse player commands "tok0" with optional argument "tok1" to player action.
+ * Return 1 on success, 0 on failure.
+ */
static uint8_t parse_player_command_0arg(char * tok0);
-
-/* Parse player command "tok0" with one argument "tok1" to player action. */
static uint8_t parse_player_command_1arg(char * tok0, char * tok1);
-/* Parse/apply command "tok0" (read further tokens as necessary). */
-static uint8_t parse_command(char * tok0);
+/* Parse/apply (non-)meta command "tok0" (read further tokens as necessary).
+ * Return 0 on failure, 1 on success, 2 on QUIT meta command.
+ */
+static uint8_t parse_command_nonmeta(char * tok0);
+static uint8_t parse_command_meta(char * tok0);
-/* Compares first line of server out file to world.server_test, aborts if they
- * don't match, but not before unsetting the flags deleting files in the server
- * directory, for in that case those must be assumed to belong to another server
- * process.
+/* Compare 1st line of server out file to world.server_test, abort if they don't
+ * match, but not before unsetting flags deleting files in the server directory,
+ * for in that case those must be assumed to belong to another server process.
*/
static void server_test();
+/* Return array of IDs of non-owned things in game world, ended by non-ID -1. */
+static int16_t * build_whitelist();
+
+/* Return 1 if value of "id" appears in "whitelist", else 0. */
+static uint8_t thing_in_whitelist(uint8_t id, int16_t * whitelist);
+
/* Run the game world and its inhabitants (and their actions) until the player
- * avatar is free to receive new commands (or is dead).
+ * avatar is free to receive new commands (or is dead). Only actions and
+ * proliferations for non-owned things are performed that exist at the start of
+ * the turn jumped into, or started anew by the cycle.
*/
static void turn_over();
-static uint8_t parse_command(char * tok0)
+static uint8_t parse_command_nonmeta(char * tok0)
{
if (parse_player_command_0arg(tok0))
{
+static uint8_t parse_command_meta(char * tok0)
+{
+ if (!strcmp("QUIT", tok0))
+ {
+ return 2;
+ }
+ if (!strcmp("PING", tok0))
+ {
+ send_to_outfile("PONG\n", 1);
+ return 1;
+ }
+ if (!strcmp("THINGS_HERE", tok0))
+ {
+ char * tok1 = token_from_line(NULL);
+ char * tok2 = token_from_line(NULL);
+ if (tok1&&tok2 && !parsetest_int(tok1, '8')&&!parsetest_int(tok2, '8'))
+ {
+ if (!world.exists)
+ {
+ err_line(1, "Command only works on existing worlds.");
+ return 0;
+ }
+ send_to_outfile("THINGS_HERE START\n", 1);
+ struct Thing * t;
+ for (t = world.things; t; t = t->next)
+ {
+ if (t->pos.y == atoi(tok1) && t->pos.x == atoi(tok2))
+ {
+ struct ThingType * tt = get_thing_type(t->type);
+ send_to_outfile(tt->name, 0);
+ send_to_outfile("\n", 1);
+ }
+ }
+ send_to_outfile("THINGS_HERE END\n", 1);
+ return 1;
+ }
+ }
+ return 0;
+}
+
+
+
static void server_test()
{
char test[10 + 1 + 10 + 1 + 1];
+static int16_t * build_whitelist()
+{
+ uint16_t i_things = NULL != world.things;
+ struct Thing * t = world.things;
+ for (; t; t = t->next, i_things++);
+ int16_t * whitelist = try_malloc(i_things * sizeof(int16_t), __func__);
+ for (i_things = 0, t = world.things; t;
+ whitelist[i_things] = t->id, t = t->next, i_things++);
+ whitelist[i_things] = -1;
+ return whitelist;
+}
+
+
+
+static uint8_t thing_in_whitelist(uint8_t id, int16_t * whitelist)
+{
+ uint16_t i;
+ for (i = 0; -1 < whitelist[i]; i++)
+ {
+ if ((int16_t) id == whitelist[i])
+ {
+ return 1;
+ }
+ }
+ return 0;
+}
+
+
+
static void turn_over()
{
struct Thing * player = get_player();
struct Thing * thing = player;
- uint16_t start_turn = world.turn;
- while ( 0 < player->lifepoints
- || (0 == player->lifepoints && start_turn == world.turn))
+ int16_t * whitelist = build_whitelist();
+ while (0 < player->lifepoints)
{
if (!thing)
{
world.turn++;
thing = world.things;
- }
- if (0 < thing->lifepoints)
+ free(whitelist);
+ whitelist = build_whitelist();/* The whitelist excludes things */
+ } /* that appear only during the turn.*/
+ if (thing_in_whitelist(thing->id, whitelist))
{
- if (0 == thing->command)
+ if (0 < thing->lifepoints)
{
- if (thing == player)
+ if (0 == thing->command)
{
- break;
+ if (thing == player)
+ {
+ break;
+ }
+ ai(thing);
+ }
+ thing->progress++;
+ struct ThingAction * ta = get_thing_action(thing->command);
+ if (thing->progress == ta->effort)
+ {
+ ta->func(thing);
+ thing->command = 0;
+ thing->progress = 0;
}
- ai(thing);
- }
- thing->progress++;
- struct ThingAction * ta = get_thing_action(thing->command);
- if (thing->progress == ta->effort)
- {
- ta->func(thing);
- thing->command = 0;
- thing->progress = 0;
}
+ try_thing_proliferation(thing);
}
thing = thing->next;
}
+ free(whitelist);
+}
+
+
+
+extern void send_to_outfile(char * answer, uint8_t flush)
+{
+ try_fwrite(answer, strlen(answer), 1, world.file_out, __func__);
+ if (flush)
+ {
+ fflush(world.file_out);
+ }
}
-extern void obey_msg(char * msg, uint8_t do_record, uint8_t do_verbose)
+extern uint8_t obey_msg(char * msg, uint8_t obey_state)
{
- if (world.is_verbose && do_verbose)
+ if (world.is_verbose)
{
exit_trouble(-1 == printf("Input: %s\n", msg), __func__, "printf");
}
set_err_line_options("Trouble with message: ", msg, 0);
char * msg_copy = strdup(msg);
char * tok0 = token_from_line(msg_copy);
+ uint8_t ret = 0;
if (tok0)
{
-
- if (parse_command(tok0))
+ ret = parse_command_meta(tok0);
+ if (ret || (obey_state < 2 && parse_command_nonmeta(tok0)))
{
- if (world.exists)
- {
- world.do_update = 1;
- }
- if (do_record)
+ if (!ret)
{
- record(msg, 0);
+ if (world.exists)
+ {
+ world.do_update = 1;
+ }
+ if (1 == obey_state)
+ {
+ record(msg, 0);
+ }
}
char * tokplus = token_from_line(NULL);
err_line(!(!tokplus), "Too many arguments, ignoring overflow.");
- free(msg_copy);
- return;
+ }
+ else if (world.replay)
+ {
+ ret = 3;
+ }
+ else if (!world.replay)
+ {
+ err_line(1, "Invalid command/argument or bad number of tokens.");
}
}
- err_line(1, "Unknown command/argument or bad number of tokens.");
free(msg_copy);
+ return ret;
}
-extern uint8_t io_loop()
+extern uint8_t io_loop(uint8_t obey_state)
{
while (1)
{
char * msg = io_round();
server_test();
- if (!msg)
- {
- continue;
- }
- if (world.is_verbose)
- {
- exit_trouble(-1 == printf("Input: %s\n", msg), __func__, "printf");
- }
- if (!strcmp("QUIT", msg))
+ if (msg)
{
+ uint8_t ret = obey_msg(msg, obey_state);
free(msg);
- return 1;
- }
- if (!strcmp("PING", msg))
- {
- free(msg);
- char * pong = "PONG\n";
- try_fwrite(pong, strlen(pong), 1, world.file_out, __func__);
- fflush(world.file_out);
- continue;
- }
- if (world.replay)
- {
- free(msg);
- return 0;
+ if ( (!world.replay && 2 == ret)
+ || ( world.replay && 2 <= ret))
+ {
+ return ret;
+ }
}
- obey_msg(msg, 1, 0);
- free(msg);
}
}