/** Move a PC/NPC character from their current location to a new location. This
* is the standard movement locomotion function that all normal walking
* movement by characters should be sent through. This function also defines
* the move cost of normal locomotion as:
* ( (move cost for source room) + (move cost for destination) ) / 2
*
* @pre Function assumes that ch has no master controlling character, that
* ch has no followers (in other words followers won't be moved by this
* function) and that the direction traveled in is one of the valid, enumerated
* direction.
* @param ch The character structure to attempt to move.
* @param dir The defined direction (NORTH, SOUTH, etc...) to attempt to
* move into.
* @param need_specials_check If TRUE will cause
* @retval int 1 for a successful move (ch is now in a new location)
* or 0 for a failed move (ch is still in the original location). */
int do_simple_move(struct char_data *ch, int dir, int need_specials_check)
{
/* Begin Local variable definitions */
/*---------------------------------------------------------------------*/
/* Used in our special proc check. By default, we pass a NULL argument
* when checking for specials */
char spec_proc_args[MAX_INPUT_LENGTH] = "";
/* The room the character is currently in and will move from... */
room_rnum was_in = IN_ROOM(ch);
/* ... and the room the character will move into. */
room_rnum going_to = EXIT(ch, dir)->to_room;
/* How many movement points are required to travel from was_in to going_to.
* We redefine this later when we need it. */
int need_movement = 0;
/* Contains the "leave" message to display to the was_in room. */
char leave_message[SMALL_BUFSIZE];
/*---------------------------------------------------------------------*/
/* End Local variable definitions */
/* Begin checks that can prevent a character from leaving the was_in room. */
/* Future checks should be implemented within this section and return 0. */
/*---------------------------------------------------------------------*/
/* Check for special routines that might activate because of the move and
* also might prevent the movement. Special requires commands, so we pass
* in the "command" equivalent of the direction (ie. North is '1' in the
* command list, but NORTH is defined as '0').
* Note -- only check if following; this avoids 'double spec-proc' bug */
if (need_specials_check && special(ch, dir + 1, spec_proc_args))
return 0;
/* Leave Trigger Checks: Does a leave trigger block exit from the room? */
if (!leave_mtrigger(ch, dir) || IN_ROOM(ch) != was_in) /* prevent teleport crashes */
return 0;
if (!leave_wtrigger(&world[IN_ROOM(ch)], ch, dir) || IN_ROOM(ch) != was_in) /* prevent teleport crashes */
return 0;
if (!leave_otrigger(&world[IN_ROOM(ch)], ch, dir) || IN_ROOM(ch) != was_in) /* prevent teleport crashes */
return 0;
/* Charm effect: Does it override the movement? */
if (AFF_FLAGGED(ch, AFF_CHARM) && ch->master && was_in == IN_ROOM(ch->master))
{
send_to_char(ch, "The thought of leaving your master makes you weep.\r\n");
act("$n bursts into tears.", FALSE, ch, 0, 0, TO_ROOM);
return (0);
}
/* Water, No Swimming Rooms: Does the deep water prevent movement? */
if ((SECT(was_in) == SECT_WATER_NOSWIM) ||
(SECT(going_to) == SECT_WATER_NOSWIM))
{
if (!has_boat(ch))
{
send_to_char(ch, "You need a boat to go there.\r\n");
return (0);
}
}
/* Flying Required: Does lack of flying prevent movement? */
if ((SECT(was_in) == SECT_FLYING) || (SECT(going_to) == SECT_FLYING))
{
if (!has_flight(ch))
{
send_to_char(ch, "You need to be flying to go there!\r\n");
return (0);
}
}
/* Underwater Room: Does lack of underwater breathing prevent movement? */
if ((SECT(was_in) == SECT_UNDERWATER) || (SECT(going_to) == SECT_UNDERWATER))
{
if (!has_scuba(ch) && !IS_NPC(ch) && !PRF_FLAGGED(ch, PRF_NOHASSLE)) {
send_to_char(ch, "You need to be able to breathe water to go there!\r\n");
return (0);
}
}
/* Houses: Can the player walk into the house? */
if (ROOM_FLAGGED(was_in, ROOM_ATRIUM))
{
if (!House_can_enter(ch, GET_ROOM_VNUM(going_to)))
{
send_to_char(ch, "That's private property -- no trespassing!\r\n");
return (0);
}
}
/* Check zone level recommendations */
if ((ZONE_MINLVL(GET_ROOM_ZONE(going_to)) != -1) && ZONE_MINLVL(GET_ROOM_ZONE(going_to)) > GET_LEVEL(ch)) {
send_to_char(ch, "This zone is above your recommended level.\r\n");
}
/* Check zone flag restrictions */
if (ZONE_FLAGGED(GET_ROOM_ZONE(going_to), ZONE_CLOSED)) {
send_to_char(ch, "A mysterious barrier forces you back! That area is off-limits.\r\n");
return (0);
}
if (ZONE_FLAGGED(GET_ROOM_ZONE(going_to), ZONE_NOIMMORT) && (GET_ADMLEVEL(ch) >= ADMLVL_IMMORT) && (GET_ADMLEVEL(ch) < ADMLVL_GRGOD)) {
send_to_char(ch, "A mysterious barrier forces you back! That area is off-limits.\r\n");
return (0);
}
/* Room Size Capacity: Is the room full of people already? */
if (ROOM_FLAGGED(going_to, ROOM_TUNNEL) &&
num_pc_in_room(&(world[going_to])) >= CONFIG_TUNNEL_SIZE)
{
if (CONFIG_TUNNEL_SIZE > 1)
send_to_char(ch, "There isn't enough room for you to go there!\r\n");
else
send_to_char(ch, "There isn't enough room there for more than one person!\r\n");
return (0);
}
/* Room Level Requirements: Is ch privileged enough to enter the room? */
if (ROOM_FLAGGED(going_to, ROOM_GODROOM) && GET_ADMLEVEL(ch) < ADMLVL_GOD)
{
send_to_char(ch, "You aren't godly enough to use that room!\r\n");
return (0);
}
/* All checks passed, nothing will prevent movement now other than lack of
* move points. */
/* move points needed is avg. move loss for src and destination sect type */
need_movement = (movement_loss[SECT(was_in)] +
movement_loss[SECT(going_to)]) / 2;
/* Move Point Requirement Check */
if (GET_MOVE(ch) < need_movement && !IS_NPC(ch))
{
if (need_specials_check && ch->master)
send_to_char(ch, "You are too exhausted to follow.\r\n");
else
send_to_char(ch, "You are too exhausted.\r\n");
return (0);
}
/*---------------------------------------------------------------------*/
/* End checks that can prevent a character from leaving the was_in room. */
/* Begin: the leave operation. */
/*---------------------------------------------------------------------*/
/* If applicable, subtract movement cost. */
if (GET_ADMLEVEL(ch) < ADMLVL_IMMORT && !IS_NPC(ch))
GET_MOVE(ch) -= need_movement;
/* Generate the leave message and display to others in the was_in room. */
if (!AFF_FLAGGED(ch, AFF_SNEAK))
{
snprintf(leave_message, sizeof(leave_message), "$n leaves %s.", dirs[dir]);
act(leave_message, TRUE, ch, 0, 0, TO_ROOM);
}
char_from_room(ch);
char_to_room(ch, going_to);
/*---------------------------------------------------------------------*/
/* End: the leave operation. The character is now in the new room. */
/* Begin: Post-move operations. */
/*---------------------------------------------------------------------*/
/* Post Move Trigger Checks: Check the new room for triggers.
* Assumptions: The character has already truly left the was_in room. If
* the entry trigger "prevents" movement into the room, it is the triggers
* job to provide a message to the original was_in room. */
if (!entry_mtrigger(ch) || !enter_wtrigger(&world[going_to], ch, dir)) {
char_from_room(ch);
char_to_room(ch, was_in);
return 0;
}
/* Display arrival information to anyone in the destination room... */
if (!AFF_FLAGGED(ch, AFF_SNEAK))
act("$n has arrived.", TRUE, ch, 0, 0, TO_ROOM);
/* ... and the room description to the character. */
if (ch->desc != NULL)
look_at_room(ch, 0);
/* ... and Kill the player if the room is a death trap. */
if (ROOM_FLAGGED(going_to, ROOM_DEATH) && GET_ADMLEVEL(ch) < ADMLVL_IMMORT)
{
mudlog(BRF, ADMLVL_IMMORT, TRUE, "%s hit death trap #%d (%s)", GET_NAME(ch), GET_ROOM_VNUM(going_to), world[going_to].name);
death_cry(ch);
extract_char(ch);
return (0);
}
/* At this point, the character is safe and in the room. */
/* Fire memory and greet triggers, check and see if the greet trigger
* prevents movement, and if so, move the player back to the previous room. */
entry_memory_mtrigger(ch);
if (!greet_mtrigger(ch, dir))
{
char_from_room(ch);
char_to_room(ch, was_in);
look_at_room(ch, 0);
/* Failed move, return a failure */
return (0);
}
else
greet_memory_mtrigger(ch);
/*---------------------------------------------------------------------*/
/* End: Post-move operations. */
/* Only here is the move successful *and* complete. Return success for
* calling functions to handle post move operations. */
return (1);
}
/* do_simple_move assumes
* 1. That there is no master and no followers.
* 2. That the direction exists.
*
* Returns :
* 1 : If succes.
* 0 : If fail
*/
int do_simple_move(struct char_data *ch, int dir, int need_specials_check)
{
char throwaway[MAX_INPUT_LENGTH] = ""; /* Functions assume writable. */
room_rnum was_in;
int need_movement, moveadd = 0;
struct obj_data *k;
/*
* Check for special routines (North is 1 in command list, but 0 here) Note
* -- only check if following; this avoids 'double spec-proc' bug
*/
if (need_specials_check && special(ch, dir + 1, throwaway))
return (0);
/* blocked by a leave trigger ? */
if (!leave_mtrigger(ch, dir))
return 0;
if (!leave_wtrigger(&world[IN_ROOM(ch)], ch, dir))
return 0;
/* charmed? */
if (AFF_FLAGGED(ch, AFF_CHARM) && ch->master && IN_ROOM(ch) == IN_ROOM(ch->master)) {
send_to_char(ch, "The thought of leaving your master makes you weep.\r\n");
act("$n bursts into tears.", FALSE, ch, 0, 0, TO_ROOM);
return (0);
}
/* if this room or the one we're going to needs a boat, check for one */
if ((SECT(IN_ROOM(ch)) == SECT_WATER_NOSWIM) ||
(SECT(EXIT(ch, dir)->to_room) == SECT_WATER_NOSWIM)) {
if (!has_boat(ch)) {
send_to_char(ch, "You need a boat to go there.\r\n");
return (0);
}
}
/* move points needed is avg. move loss for src and destination sect type
* You know .. I don't like this system, let's base this not ONLY on terrain type
* but also on dex of char.
* Needs to adjust on max abils
* Original:
* need_movement = (movement_loss[SECT(IN_ROOM(ch))] +
movement_loss[SECT(EXIT(ch, dir)->to_room)]) / 2;
*/
if (GET_DEX(ch) <= 5) /* 0(1?)-5 Dex */
moveadd = 8;
if ((GET_DEX(ch) >= 6) && (GET_DEX(ch) <= 10)) /* 6-10 Dex */
moveadd = 6;
if ((GET_DEX(ch) >= 11) && (GET_DEX(ch) <= 15)) /* 11-15 Dex */
moveadd = 4;
if (GET_DEX(ch) >= 16) /* 16+ Up to ..? Dex */
moveadd = 2;
need_movement = (movement_loss[SECT(IN_ROOM(ch))] + movement_loss[SECT(EXIT(ch, dir)->to_room)] + moveadd) / 2;
if (GET_MOVE(ch) < need_movement && !IS_NPC(ch)) {
if (need_specials_check && ch->master)
send_to_char(ch, "You are too exhausted to follow.\r\n");
else
send_to_char(ch, "You are too exhausted.\r\n");
return (0);
}
if (ROOM_FLAGGED(IN_ROOM(ch), ROOM_ATRIUM)) {
if (!House_can_enter(ch, GET_ROOM_VNUM(EXIT(ch, dir)->to_room))) {
send_to_char(ch, "That's private property -- no trespassing!\r\n");
return (0);
}
}
if (ROOM_FLAGGED(EXIT(ch, dir)->to_room, ROOM_TUNNEL) &&
num_pc_in_room(&(world[EXIT(ch, dir)->to_room])) >= tunnel_size) {
if (tunnel_size > 1)
send_to_char(ch, "There isn't enough room for you to go there!\r\n");
else
send_to_char(ch, "There isn't enough room there for more than one person!\r\n");
return (0);
}
/* Room big enough for you? */
if ((SIZE(EXIT(ch, dir)->to_room) < GET_SIZE(ch)) && (SIZE(EXIT(ch, dir)->to_room) != SIZE_SPECIAL) && (GET_LEVEL(ch) < LVL_GOD)) { //GOD+ can enter any room
send_to_char(ch, "You are too big to fit in there!\r\n");
return (0);
}
/* Mortals and low level gods cannot enter greater god rooms. */
/* irrelevant because of min/max level -mak 8.21.05 -reinstated 2.9.06
if (ROOM_FLAGGED(EXIT(ch, dir)->to_room, ROOM_GODROOM) &&
GET_LEVEL(ch) < LVL_GOD) {
send_to_char(ch, "You aren't godly enough to use that room!\r\n");
return (0);
}
uncomment to fix GODROOM */
/* No access for non-IMPs */
if (ROOM_FLAGGED(EXIT(ch, dir)->to_room, ROOM_IMPROOM) &&
GET_LEVEL(ch) < LVL_IMPL) {
send_to_char(ch, "You dare not disturb the Implementors!\r\n");
return (0);
}
if (GET_LEVEL(ch) < ROOM_MIN_LEVEL(EXIT(ch, dir)->to_room)) {
if (world[EXIT(ch, dir)->to_room].max_level_message ) {
send_to_char(ch, world[EXIT(ch, dir)->to_room].min_level_message);
send_to_char(ch, "\r\n");
}
else
send_to_char(ch, "You are not experienced enough to enter that room.\r\n");
return 0;
}
if (ROOM_MAX_LEVEL(EXIT(ch, dir)->to_room) > 0) {
if (GET_LEVEL(ch) > ROOM_MAX_LEVEL(EXIT(ch, dir)->to_room) && GET_LEVEL(ch) < LVL_SAINT ) {
if (world[EXIT(ch, dir)->to_room].max_level_message ){
send_to_char(ch, world[EXIT(ch, dir)->to_room].max_level_message);
send_to_char(ch, "\r\n");
}
else
send_to_char(ch, "You are too experienced to enter that room.\r\n");
return 0;
}
}
if (AFF_FLAGGED(ch, AFF_FLEET_FEET)) {
need_movement = need_movement / 2;
if (need_movement < 2) need_movement = 1;}
if (AFF_FLAGGED(ch, AFF_AIRWALK)) need_movement = 1;
/* Now we know we're allowed to go into the room. */
if (GET_LEVEL(ch) < LVL_SAINT && !IS_NPC(ch))
GET_MOVE(ch) -= need_movement;
if (!AFF_FLAGGED(ch, AFF_SNEAK)) {
char buf2[MAX_STRING_LENGTH];
snprintf(buf2, sizeof(buf2), "$n leaves %s.", dirs[dir]);
act(buf2, TRUE, ch, 0, 0, TO_ROOM);
}
was_in = IN_ROOM(ch);
char_from_room(ch);
char_to_room(ch, world[was_in].dir_option[dir]->to_room);
/* move them first, then move them back if they aren't allowed to go. */
/* see if an entry trigger disallows the move */
if (!entry_mtrigger(ch) || !enter_wtrigger(&world[IN_ROOM(ch)], ch, dir)) {
char_from_room(ch);
char_to_room(ch, was_in);
return 0;
}
if (!AFF_FLAGGED(ch, AFF_SNEAK))
act("$n has arrived.", TRUE, ch, 0, 0, TO_ROOM);
if (ch->desc != NULL)
look_at_room(IN_ROOM(ch), ch, 0);
if (ROOM_FLAGGED(IN_ROOM(ch), ROOM_DEATH) && GET_LEVEL(ch) < LVL_SAINT) {
clanlog(ch, "%s entered a Death Room", GET_NAME(ch));
was_in = IN_ROOM(ch);
log_death_trap(ch);
death_cry(ch);
/* Fix the PCs size first if it needs fixing */
fix_size(ch);
extract_char(ch);
for (k = world[was_in].contents; k; k = world[was_in].contents)
extract_obj(k);
return (0);
}
entry_memory_mtrigger(ch);
if (!greet_mtrigger(ch, dir)) {
char_from_room(ch);
char_to_room(ch, was_in);
look_at_room(IN_ROOM(ch), ch, 0);
} else greet_memory_mtrigger(ch);
/* send warning message if moves are getting low */
if ( GET_MOVE(ch) < (GET_MAX_MOVE(ch) / 10) )
{
send_to_char(ch, "You cannot go much further.\r\n");
}
return (1);
}
/* do_simple_move assumes that there is no master, no followers and that the
* direction exists. It returns 1 for success, 0 if failure. */
int do_simple_move(struct char_data *ch, int dir, int need_specials_check)
{
char throwaway[MAX_INPUT_LENGTH] = ""; /* Functions assume writable. */
room_rnum was_in = IN_ROOM(ch);
int need_movement;
/* Check for special routines (North is 1 in command list, but 0 here) Note
* -- only check if following; this avoids 'double spec-proc' bug */
if (need_specials_check && special(ch, dir + 1, throwaway))
return (0);
/* blocked by a leave trigger ? */
if (!leave_mtrigger(ch, dir) || IN_ROOM(ch) != was_in) /* prevent teleport crashes */
return 0;
if (!leave_wtrigger(&world[IN_ROOM(ch)], ch, dir) || IN_ROOM(ch) != was_in) /* prevent teleport crashes */
return 0;
if (!leave_otrigger(&world[IN_ROOM(ch)], ch, dir) || IN_ROOM(ch) != was_in) /* prevent teleport crashes */
return 0;
/* charmed? */
if (AFF_FLAGGED(ch, AFF_CHARM) && ch->master && IN_ROOM(ch) == IN_ROOM(ch->master)) {
send_to_char(ch, "The thought of leaving your master makes you weep.\r\n");
act("$n bursts into tears.", FALSE, ch, 0, 0, TO_ROOM);
return (0);
}
/* if this room or the one we're going to needs a boat, check for one */
if ((SECT(IN_ROOM(ch)) == SECT_WATER_NOSWIM) ||
(SECT(EXIT(ch, dir)->to_room) == SECT_WATER_NOSWIM)) {
if (!has_boat(ch)) {
send_to_char(ch, "You need a boat to go there.\r\n");
return (0);
}
}
/* If this room or the one we're going to needs flight, check for it. */
if ((SECT(IN_ROOM(ch)) == SECT_FLYING) || (SECT(EXIT(ch, dir)->to_room) == SECT_FLYING)) {
if (!has_flight(ch)) {
send_to_char(ch, "You need to be flying to go there!\r\n");
return (0);
}
}
/* If this room or the one we're going to needs scuba, check for it. */
if ((SECT(IN_ROOM(ch)) == SECT_UNDERWATER) || (SECT(EXIT(ch, dir)->to_room) == SECT_UNDERWATER)) {
if (!has_scuba(ch)) {
send_to_char(ch, "You need to be able to breathe water to go there!\r\n");
return (0);
}
}
/* move points needed is avg. move loss for src and destination sect type */
need_movement = (movement_loss[SECT(IN_ROOM(ch))] +
movement_loss[SECT(EXIT(ch, dir)->to_room)]) / 2;
if (GET_MOVE(ch) < need_movement && !IS_NPC(ch)) {
if (need_specials_check && ch->master)
send_to_char(ch, "You are too exhausted to follow.\r\n");
else
send_to_char(ch, "You are too exhausted.\r\n");
return (0);
}
if (ROOM_FLAGGED(IN_ROOM(ch), ROOM_ATRIUM)) {
if (!House_can_enter(ch, GET_ROOM_VNUM(EXIT(ch, dir)->to_room))) {
send_to_char(ch, "That's private property -- no trespassing!\r\n");
return (0);
}
}
if (ROOM_FLAGGED(EXIT(ch, dir)->to_room, ROOM_TUNNEL) &&
num_pc_in_room(&(world[EXIT(ch, dir)->to_room])) >= CONFIG_TUNNEL_SIZE) {
if (CONFIG_TUNNEL_SIZE > 1)
send_to_char(ch, "There isn't enough room for you to go there!\r\n");
else
send_to_char(ch, "There isn't enough room there for more than one person!\r\n");
return (0);
}
/* Mortals and low level gods cannot enter greater god rooms. */
if (ROOM_FLAGGED(EXIT(ch, dir)->to_room, ROOM_GODROOM) &&
GET_LEVEL(ch) < LVL_GOD) {
send_to_char(ch, "You aren't godly enough to use that room!\r\n");
return (0);
}
/* Now we know we're allowed to go into the room. */
if (GET_LEVEL(ch) < LVL_IMMORT && !IS_NPC(ch))
GET_MOVE(ch) -= need_movement;
if (!AFF_FLAGGED(ch, AFF_SNEAK)) {
char buf2[MAX_STRING_LENGTH];
snprintf(buf2, sizeof(buf2), "$n leaves %s.", dirs[dir]);
act(buf2, TRUE, ch, 0, 0, TO_ROOM);
}
was_in = IN_ROOM(ch);
char_from_room(ch);
char_to_room(ch, world[was_in].dir_option[dir]->to_room);
/* move them first, then move them back if they aren't allowed to go. Also,
* see if an entry trigger disallows the move */
if (!entry_mtrigger(ch) || !enter_wtrigger(&world[IN_ROOM(ch)], ch, dir)) {
char_from_room(ch);
char_to_room(ch, was_in);
return 0;
}
if (!AFF_FLAGGED(ch, AFF_SNEAK))
act("$n has arrived.", TRUE, ch, 0, 0, TO_ROOM);
if (ch->desc != NULL)
look_at_room(ch, 0);
if (ROOM_FLAGGED(IN_ROOM(ch), ROOM_DEATH) && GET_LEVEL(ch) < LVL_IMMORT) {
mudlog(BRF, LVL_IMMORT, TRUE, "%s hit death trap #%d (%s)", GET_NAME(ch), GET_ROOM_VNUM(IN_ROOM(ch)), world[IN_ROOM(ch)].name);
death_cry(ch);
extract_char(ch);
return (0);
}
entry_memory_mtrigger(ch);
if (!greet_mtrigger(ch, dir)) {
char_from_room(ch);
char_to_room(ch, was_in);
look_at_room(ch, 0);
} else greet_memory_mtrigger(ch);
return (1);
}