This file is indexed.

/usr/share/games/freeciv/multiplayer/script.lua is in freeciv-data 2.5.10-1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
-- Freeciv - Copyright (C) 2007 - The Freeciv Project
--   This program is free software; you can redistribute it and/or modify
--   it under the terms of the GNU General Public License as published by
--   the Free Software Foundation; either version 2, or (at your option)
--   any later version.
--
--   This program is distributed in the hope that it will be useful,
--   but WITHOUT ANY WARRANTY; without even the implied warranty of
--   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
--   GNU General Public License for more details.

-- This file is for lua-functionality that is specific to a given
-- ruleset. When freeciv loads a ruleset, it also loads script
-- file called 'default.lua'. The one loaded if your ruleset
-- does not provide an override is default/default.lua.


-- Place Ruins at the location of the destroyed city.
function city_destroyed_callback(city, loser, destroyer)
  city.tile:create_base("Ruins", NIL)
  -- continue processing
  return false
end

signal.connect("city_destroyed", "city_destroyed_callback")


-- Grant two techs when the wonder Darwin`s Voyage is built.
function building_built_handler(btype, city)
  local darw_btype = find.building_type("Darwin's Voyage")
  local darw_id = darw_btype.id
  local player, id = city.owner, btype.id
  local gained = {}

  if id == darw_id then
    -- Block the player from destroying the wonder, rebuilding it and
    -- getting two free advances again.
    -- This also prevents those they share research with from getting two
    -- free advances from building Darwin`s Voyage themselves.
    if player:give_technology(find.tech_type("Theory of Evolution"),
                              "researched") then
      -- Give the player two free advances.
      gained[0] = player:give_technology(nil, "researched")
      gained[1] = player:give_technology(nil, "researched")

      -- Notify the player. Include the tech names in a way that makes it
      -- look natural no matter if each tech is announced or not.
      notify.event(player, NIL, E.TECH_GAIN,
        _("%s boosts research; you gain the immediate advances %s and %s."),
        darw_btype:name_translation(),
        gained[0]:name_translation(),
        gained[1]:name_translation())

      -- default.lua informs the embassies when the tech source is a hut.
      -- They should therefore be informed about the source here too.
      notify.embassies(player, NIL, E.TECH_GAIN,
                       _("The %s gain %s and %s from %s."),
                       player.nation:plural_translation(),
                       gained[0]:name_translation(),
                       gained[1]:name_translation(),
                       darw_btype:name_translation())
    end
  end
end

signal.connect("building_built", "building_built_handler")


-- Hack: record which players already got Philosophy, to avoid
-- teams getting it multiple times with team_pooled_research.
-- Stored as a string as this is a type simple enough to be included
-- in savefiles.
-- (It`s probably not necessary to test for existence as savefile
-- data is loaded after this script is executed.)
if philo_players == nil then
  philo_players = ""
end

-- Record that a player got Philosophy in our hacky string.
function record_philo(player)
  local pos = player.id + 1
  philo_players = string.sub(philo_players, 1, pos-1) ..
                  string.rep(" ", math.max(0, pos - 1 - #philo_players)) ..
                  "." .. string.sub(philo_players, pos+1)
end

-- Grant one tech when the tech Philosophy is researched.
function tech_researched_handler(tech, player, how)
  local id
  local gained

  if tech == nil then
    -- no tech was researched.
    return
  end

  id = tech.id
  if id == find.tech_type("Philosophy").id and how == "researched" then

    -- Check potential teammates.
    for p in players_iterate() do
      if player:shares_research(p)
         and string.sub(philo_players, p.id+1, p.id+1) == "." then
        -- Another player in the same team already got Philosophy.
        record_philo(player)
        return
      end
    end

    record_philo(player)

    -- Give the player a free advance.
    -- This will give a free advance for each player that shares research.
    gained = player:give_technology(nil, "researched")

      -- Notify the player. Include the tech names in a way that makes it
      -- look natural no matter if each tech is announced or not.
    notify.event(player, NIL, E.TECH_GAIN,
                 _("Great philosophers from all the world join your civilization: you get the immediate advance %s."),
                 gained:name_translation())

    -- default.lua informs the embassies when the tech source is a hut.
    -- They should therefore be informed about the source here too.
    notify.embassies(player, NIL, E.TECH_GAIN,
                     _("Great philosophers from all the world join the %s: they get %s as an immediate advance."),
                       player.nation:plural_translation(),
                       gained:name_translation())
  end
end 

signal.connect("tech_researched", "tech_researched_handler")