<?xml version="1.0" encoding="iso-8859-1"?>
<!DOCTYPE muclient>
<muclient>
<plugin
   name="Inquisition_Mapper"
   author="Nick Gammon"
   id="2a5655924080806ca252f1e6"
   language="Lua"
   purpose="Mapper for The Inquisition"
   save_state="y"
   date_written="2018-01-15"
   date_modified="2021-07-21 13:09"
   requires="5.00"
   version="1.5"
   >

<description trim="y">
<![CDATA[
THE INQUISITION MAPPER ...  by Nick Gammon

ACTIONS

mapper help         --> this help  (or click the "?" button on the bottom right)
mapper zoom out     --> zoom out
mapper zoom in      --> zoom in
mapper hide         --> hide map
mapper show         --> show map

FINDING

mapper find  <word> --> find a room matching part of a name / description
mapper where <vnum> --> show directions to a room

MOVING

mapper goto <room>  --> walk to a room by its room number (vnum)
mapper stop         --> cancel any current speedwalk


]]>
</description>

</plugin>

<aliases>
  <alias
   match="mapper help"
   script="OnHelp"
   enabled="y"
  >
  </alias>

  <!--  finding stuff -->

  <alias
   match="mapper find *"
   enabled="y"
   sequence="100"
   script="map_find"
  >
  </alias>

  <alias
   match="mapper where *"
   enabled="y"
   sequence="100"
   script="map_where"
  >
  </alias>

  <!--  zooming aliases -->

 <alias
   match="mapper zoom out"
   enabled="y"
   sequence="100"
   omit_from_command_history="y"
   omit_from_output="y"
   script="mapper.zoom_out"
  >
  </alias>

<alias
   match="mapper zoom in"
   enabled="y"
   sequence="100"
   omit_from_command_history="y"
   omit_from_output="y"
   script="mapper.zoom_in"
  >
  </alias>


 <alias
   match="mapper goto *"
   enabled="y"
   sequence="100"
   script="map_goto"
  >
  </alias>

  <!--  cancel speedwalking -->

 <alias
   match="mapper stop"
   enabled="y"
   sequence="100"
   script="mapper.cancel_speedwalk"
  >
  </alias>

  <!--  show/hide mapper -->

  <alias
   match="mapper hide"
   enabled="y"
   sequence="100"
   script="mapper.hide"
  >
  </alias>

   <alias
   match="mapper show"
   enabled="y"
   sequence="100"
   script="mapper.show"
  >
</alias>

</aliases>

<triggers>
  <trigger
   enabled="y"
   match="[RPXP Gain: *] [HP:* MV:* P:*] * (vnum *)*"
   script="got_prompt"
   sequence="100"
   name="prompt"
   keep_evaluating="y"
  >
  </trigger>

<trigger
   enabled="y"
   match="^([^\[(].*)$"
   script="got_room_name"
   keep_evaluating="y"
   sequence="90"
   regexp="y"
   name="room_name"
  >
  </trigger>

<trigger
   enabled="y"
   match="^\["
   script="got_weather_line"
   keep_evaluating="y"
   sequence="90"
   regexp="y"
   name="weather_line"
  >
  </trigger>

<trigger
   enabled="y"
   match="[ Exits: * ]"
   script="got_exits"
   sequence="100"
  >
  </trigger>

  <trigger
   enabled="n"
   match="*"
   script="got_description_line"
   sequence="200"
   name="description_line"
  >
  </trigger>


 <!--
  Things which prevent us moving.

  Right now we assume they are yellow on black in bold. If this isn't (always) the case
  change match_text_colour, match_back_colour and match_bold to be "n" (as appropriate).

  See "cannot_move_messages" table further down for the exact messages that are matched on.

 -->

  <trigger
   match="*"

   enabled="y"
   match_back_colour="y"
   match_text_colour="y"

   match_bold="y"
   bold="y"

   text_colour="3"
   back_colour="8"

   script="check_for_cannot_go"
   keep_evaluating="y"
   sequence="1"
  >
  </trigger>

</triggers>

<!--  Script  -->

<script>
<![CDATA[

-- mapper module
require "mapper"

-- configuration table
config = {
        OUR_ROOM_COLOUR         = { name = "Our room",  colour =  ColourNameToRGB "black", },
         }

-- all the rooms we have come across
rooms = { }

-- for serialization
require "serialize"

-- -----------------------------------------------------------------
-- these commands will be considered "room changing" commands
-- -----------------------------------------------------------------
local valid_direction = {
  n = "n",
  s = "s",
  e = "e",
  w = "w",
  u = "u",
  d = "d",
  ne = "ne",
  sw = "sw",
  nw = "nw",
  se = "se",
  north = "n",
  south = "s",
  east = "e",
  west = "w",
  up = "u",
  down = "d",
  northeast = "ne",
  northwest = "nw",
  southeast = "se",
  southwest = "sw",
  ["in"] = "in",
  out = "out",
  }  -- end of valid_direction

-- for calculating the way back
local inverse_direction = {
  n = "s",
  s = "n",
  e = "w",
  w = "e",
  u = "d",
  d = "u",
  ne = "sw",
  sw = "ne",
  nw = "se",
  se = "nw",
  ["in"] = "out",
  out = "in",
  }  -- end of inverse_direction

-- put messages from the MUD which stop you moving here ...
-- Use * for wildcards, everything else matches literally.

local cannot_move_messages = {
    "Nah... * feels too relaxed...",
    "In * dreams, or what?",

-- add more here

    }

-- -----------------------------------------------------------------
-- for converting things like ^ $ * etc. into "escaped" sequences
-- -----------------------------------------------------------------
function fix_regexp_magic_characters (r)
    return string.gsub (r, "[%^%$%(%)%%%.%[%]%*%+%-%?]", "%%%1")
end -- fix_regexp_magic_characters

-- -----------------------------------------------------------------
-- mapper 'get_room' callback - it wants to know about room uid
-- -----------------------------------------------------------------
function get_room (uid)

  room = rooms [uid]
  if not room then
    return nil
  end -- if not found

  -- how to draw this particular room
  room.bordercolour = config.ROOM_COLOUR.colour
  room.borderpen = miniwin.pen_solid
  room.borderpenwidth = 1
  room.fillbrush = miniwin.brush_null  -- no fill

  -- draw current room in bolder colour
  if uid == current_room then
    room.bordercolour = config.OUR_ROOM_COLOUR.colour
    room.borderpenwidth = 2
  end -- not in this area

  room.area = "The Inquisition"  -- assume every room is in this area

  local texits = {}
  for dir in pairs (room.exits) do
    table.insert (texits, dir)
  end -- for
  table.sort (texits)

  room.hovermessage = string.format (
      "%s\tExits: %s\nVnum: %s\n\n%s",
      room.name,
      table.concat (texits, ", "),
      uid,
      room.description or ""
      )

  return room
end -- get_room

-- -----------------------------------------------------------------
-- Plugin Install
-- -----------------------------------------------------------------
function OnPluginInstall ()

  assert (loadstring (GetVariable ("config") or "")) ()
  assert (loadstring (GetVariable ("rooms") or "")) ()

  -- initialize mapper
  mapper.init {
            config     = config,   -- ie. colours, sizes
            get_room   = get_room, -- info about room (uid)
            show_help  = OnHelp,   -- to show help
              }

  mapper.mapprint (string.format ("MUSHclient mapper installed, version %0.1f", mapper.VERSION))
  ColourNote ("orange", "", "Mapper plugin 'save state' file name is:")
  ColourNote ("yellow", "",  (string.format ("%s%s-%s-state.xml",
                    GetInfo (85), GetWorldID (), GetPluginID ())))
  mapper.mapprint ("Consider backing up the above file regularly as it has the mapper database in it.")

  -- fix up wildcards in "cannot_move_messages" table
  for k, v in ipairs (cannot_move_messages) do
    -- replace wildcard (asterisk) by 0x00
    v = string.gsub (v, '%*', string.char (0))
    -- fix all other characters like periods
    v = fix_regexp_magic_characters (v)
    -- put the wildcards back (convert 0x00 to ".*")
    cannot_move_messages [k] = string.gsub (v, string.char (0), '.*' )
  end -- for each message

end -- OnPluginInstall

-- -----------------------------------------------------------------
-- Plugin Help
-- -----------------------------------------------------------------
function OnHelp ()
  mapper.mapprint (string.format ("[MUSHclient mapper, version %0.1f]", mapper.VERSION))
  mapper.mapprint (GetPluginInfo (GetPluginID (), 3))
end

-- -----------------------------------------------------------------
-- Here on prompt
-- -----------------------------------------------------------------
function got_prompt (name, line, wildcards)
  uid = wildcards [6]  -- change this if you change the prompt trigger

  -- assume we know the room name and description by now
  -- add to rooms table if not there
  if not rooms [uid] then
    rooms [uid] = { name = room_name, exits = {}, description = room_description or ""}
    mapper.mapprint (string.format ("Added room <%s> (vnum %s) to the mapper database", room_name, uid))
  end -- if

  if rooms [uid].description ~= room_description then
    rooms [uid].description = room_description
   --    mapper.mapprint ("Updating room description to be: " .. room_description)
  end -- if description not previously found

  -- add stub entries for known exits
  if next (rooms [uid].exits) == nil and current_exits then
    for exit in string.gmatch (current_exits, "%a+") do
      local direction = valid_direction [exit]
      if direction then
        rooms [uid].exits [direction] = 0  -- dummy non-existent room
      end -- if a known exit direction
    end -- for each exit word
  end -- if no exits known

  -- if we changed rooms assume that our last movement sent us here
  if uid ~= current_room
        and current_room
        and last_direction_moved then
    -- previous room led here
    rooms [current_room].exits [last_direction_moved] = uid
    -- assume inverse direction leads back
    rooms [uid].exits [inverse_direction [last_direction_moved]] = current_room
    last_direction_moved = nil -- we have to move again now
  end -- if

  -- this is now our current room
  current_room = uid

  -- draw this room
  mapper.draw (current_room)

  -- await more exits
  current_exits = nil

end -- got_prompt

-- -----------------------------------------------------------------
-- Here on room name
-- -----------------------------------------------------------------
function got_room_name (name, line, wildcards, styles)
  if styles == nil or styles[1].textcolour ~= ColourNameToRGB("#FF0000") then
    return
  end -- if not the right colour

  local name = wildcards [1]

  -- ignore really long lines
  if #name > 60 then
    return
  end -- if

  room_name = name
  current_exits = nil
  description = { }
  room_description = nil

end -- got_room_name

-- -----------------------------------------------------------------
-- Here on "exits" line
-- -----------------------------------------------------------------
function got_exits (name, line, wildcards, styles)
  if styles == nil or styles[1].textcolour ~= ColourNameToRGB("#008080") then
    return
  end -- if not the right colour
  -- remember the exits
  current_exits = wildcards [1]
  EnableTrigger ("description_line", false)
  room_description = Trim (table.concat (description, "\n"))
  description = { }
end -- got_exits

-- -----------------------------------------------------------------
-- try to detect when we send a movement command
-- -----------------------------------------------------------------
function OnPluginSent (sText)
  local direction = valid_direction [sText]
  if direction then
    last_direction_moved = direction
  end -- if
end -- OnPluginSent

-- -----------------------------------------------------------------
-- on saving state, serialize the rooms and configuration
-- -----------------------------------------------------------------
function OnPluginSaveState ()
  SetVariable ("config", "config = " .. serialize.save_simple (config))

    -- just save the relevant stuff  - you may need to update this if you add more things
  local wanted_keys = { "name", "exits", "description" }

  local saved_rooms = { }
  for k, v in pairs (rooms) do
    saved_rooms [k] = { }
    for i, j in ipairs (wanted_keys) do
      saved_rooms [k] [j] = v [j]
    end -- for
  end -- for

  SetVariable ("rooms", "rooms = " .. serialize.save_simple (saved_rooms))
end -- function OnPluginSaveState

-- -----------------------------------------------------------------
-- map_find: mapper find xxx
-- -----------------------------------------------------------------
function map_find (name, line, wildcards)

  mapper.mapprint (string.rep ("-", 25) .. " Mapper search " .. string.rep ("-", 25))

  local reset = ANSI (0)
  local bold = ANSI (1)
  local unbold = ANSI (22)

  local matches = { }
  local count = 0
  local target = Trim (wildcards [1]:lower ())

  if target == "" then
    mapper.maperror ("No search string specified")
    return
  end -- if

  if not mapper.check_we_can_find () then
    return
  end -- if find not OK

  -- fix up any regular expression "magic" letters to be escaped by a %
  local fixed_target = fix_regexp_magic_characters (target)

  -- fix up for caseless searches in the room description (eg. "a" becomes "[aA]")
  local caseless_target = string.gsub (fixed_target, "(%a)", function (a)
      return "[" .. a:lower () .. a:upper () .. "]"
      end -- function
      )

  -- do a simple string search to find matching rooms
  for k, v in pairs (rooms) do

    -- don't want nil descriptions
    if not v.description then
      v.description = ""
    end -- if no description

    if string.find (v.name:lower (), fixed_target) or
       string.find (v.description:lower (), fixed_target) then
      matches [k] = true
      count = count + 1
    end -- if match
  end -- for each room

  local function show_snippet (uid)
    local room = rooms [uid]
     if not room then
       return
     end -- if

    -- don't bother if the wanted words was in the room name
    if string.find (room.name:lower (), fixed_target) then
      return
    end -- if

    -- otherwise show the wanted word in the description, in bold
    AnsiNote (reset .. string.gsub (room.description, caseless_target, bold .. "%1" .. unbold))

  end -- show_snippet

  -- see if nearby
  mapper.find (
    function (uid)
      local room = matches [uid]
      if room then
        matches [uid] = nil
      end -- if
      return room, next (matches) == nil
    end,  -- function
    show_vnums,  -- show vnum?
    count,      -- how many to expect
    false,      -- don't auto-walk
    show_snippet  -- show find snippet
    )
end -- map_find

-- -----------------------------------------------------------------
-- map_goto for: mapper goto xxx
-- -----------------------------------------------------------------
function map_goto (name, line, wildcards)
  local wanted = wildcards [1]
  -- check valid string
  if string.match (wanted, "%D") then
    mapper.maperror ("Room number must be numeric, you entered: " .. wanted)
    return
  end -- if

  -- see if already there
  if current_room and string.match (current_room, "^" .. wanted) then
    mapper.mapprint ("You are already in that room.")
    return
  end -- if
  -- find desired room
  mapper.find (
    function (uid)
      local found = string.match (uid, "^" .. wanted)
      return found, found
    end,  -- function
    show_vnums,  -- show vnum?
    1,          -- how many to expect
    true        -- just walk there
    )
end -- map_goto

-- -----------------------------------------------------------------
-- got_weather_line: Called when we get the weather line (the description follows)
-- -----------------------------------------------------------------
function got_weather_line (name, line, wildcards, styles)
  if styles[1].textcolour ~= ColourNameToRGB("#FF0000") then
    return
  end -- if not the right colour
  EnableTrigger ("description_line", true)
  description = { }
end -- got_weather_line

-- -----------------------------------------------------------------
-- got_description_line: Called for each line of the room description
-- -----------------------------------------------------------------
function got_description_line (name, line, wildcards)
  -- stop collecting descriptions after a blank line
  if Trim (line) == "" then
    EnableTrigger ("description_line", false)
  end -- if blank line

  table.insert (description, line)  -- build up the description
end -- got_description_line

-- -----------------------------------------------------------------
-- map_where: Show where a room is
-- -----------------------------------------------------------------
function map_where (name, line, wildcards)
  if not mapper.check_we_can_find () then
    return
  end -- if
  local wanted = wildcards [1]
  if current_room and wanted == current_room then
    mapper.mapprint ("You are already in that room.")
    return
  end -- if
  local paths = mapper.find_paths (current_room,
           function (uid)
             return uid == wanted,  -- wanted room?
                    uid == wanted   -- stop searching?
            end)
  local uid, item = next (paths, nil) -- extract first (only) path
  -- nothing? room not found
  if not item then
    mapper.mapprint (string.format ("Room %s not found", wanted))
    return
  end -- if
  -- turn into speedwalk
  local path = mapper.build_speedwalk (item.path)
  -- display it
  mapper.mapprint (string.format ("Path to %s is: %s", wanted, path))
end -- map_where

-- -----------------------------------------------------------------
-- cannot_walk - we tried to walk but failed
-- -----------------------------------------------------------------
function cannot_walk (name, line, wildcards)
  mapper.cancel_speedwalk ()
  room_description = nil
  current_exits = nil
  room_name = nil
  last_direction_moved = nil
--  mapper.mapprint ("Attempt to walk cancelled.")

end -- cannot_walk

-- -----------------------------------------------------------------
-- check_for_cannot_go - look up the line in a table of failure messages
-- see table: cannot_move_messages
-- -----------------------------------------------------------------
function check_for_cannot_go (name, line, wildcards)

  for _, v in ipairs (cannot_move_messages) do
    if string.find (line, v) then
      cannot_walk ()
      break
    end -- if match
  end -- for each message
end -- check_for_cannot_go

]]>

</script>
</muclient>