Scan Skill [by Mark Gerritsen]

From: Mark Gerritsen <m.p.h.gerritsen@student.utwente.nl>
Subject: Scan snippet

My version of scan.

--- Somewhere in act.informative.c, add:
ACMD(do_scan)
{
  struct char_data *i;
  int is_in, dir, dis, maxdis, found = 0;

  const char *distance[] = {
    "right here",
    "immediately ",
    "nearby ",
    "a ways ",
    "far ",
    "very far ",
    "extremely far ",
    "impossibly far ",
  };

  if (IS_AFFECTED(ch, AFF_BLIND)) {
    act("You can't see anything, you're blind!", TRUE, ch, 0, 0, TO_CHAR);
    return;
  }
  if ((GET_MOVE(ch) < 3) && (GET_LEVEL(ch) < LVL_IMMORT)) {
    act("You are too exhausted.", TRUE, ch, 0, 0, TO_CHAR);
    return;
  }

  maxdis = (1 + ((GET_SKILL(ch, SKILL_SCAN) * 5) / 100));
  if (GET_LEVEL(ch) >= LVL_IMMORT)
    maxdis = 7;

  act("You quickly scan the area and see:", TRUE, ch, 0, 0, TO_CHAR);
  act("$n quickly scans the area.", FALSE, ch, 0, 0, TO_ROOM);
  if (GET_LEVEL(ch) < LVL_IMMORT)
    GET_MOVE(ch) -= 3;

  is_in = ch->in_room;
  for (dir = 0; dir < NUM_OF_DIRS; dir++) {
    ch->in_room = is_in;
    for (dis = 0; dis <= maxdis; dis++) {
      if (((dis == 0) && (dir == 0)) || (dis > 0)) {
        for (i = world[ch->in_room].people; i; i = i->next_in_room) {
          if ((!((ch == i) && (dis == 0))) && CAN_SEE(ch, i)) {
            sprintf(buf, "%33s: %s%s%s%s", GET_NAME(i), distance[dis],
                    ((dis > 0) && (dir < (NUM_OF_DIRS - 2))) ? "to the " : "",
                    (dis > 0) ? dirs[dir] : "",
                    ((dis > 0) && (dir > (NUM_OF_DIRS - 3))) ? "wards" : "");
            act(buf, TRUE, ch, 0, 0, TO_CHAR);
            found++;
          }
        }
      }
      if (!CAN_GO(ch, dir) || (world[ch->in_room].dir_option[dir]->to_room
== is_in))
        break;
      else
        ch->in_room = world[ch->in_room].dir_option[dir]->to_room;
    }
  }
  if (found == 0)
    act("Nobody anywhere near you.", TRUE, ch, 0, 0, TO_CHAR);
  ch->in_room = is_in;
}

--- In interpreter.c, with the ACMDs, add:
ACMD(do_scan);

--- and in the commands list:
  { "scan"     , POS_STANDING, do_scan     , 0, 0 },

You'll also need to define the skill like normal (on our MUD thieves can
scan further)

Enjoy, and happy coding,

Havoc of Dagmarck (Mark Gerritsen)

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