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Markus Armbruster 0b46e31d60 ef_verify: Reject invalid plane flag combinations
Any plane may have capabilities VTOL, helo, light.

Capability missile requires VTOL.

Anti-ballistic missiles have capabilities missile, SDI.

Anti-satellite missiles have capabilities missile, satellite.

Surface-to-air missiles have capabilities missile, intercept.

Anti-ship missiles have capabilities missile, marine, and may have
tactical.

Surface-to-surface missiles have capability missile, and may have
tactical.

Satellites have capability satellite, and may have spy, image.

Ordinary planes may have capabilities bomber, tactical, intercept,
cargo, spy, image, ASW, para, escort, mine, sweep.  Capability para
requires cargo; see para().

Only "missile requires VTOL" is enforced.  Enforce the rest.

Excluding P_O when asking for P_N is now redundant.  Drop that from
msl_abm_intercept().

Signed-off-by: Markus Armbruster <armbru@pond.sub.org>
2021-01-23 08:39:14 +01:00
build-aux build-aux/git-version-gen: Refresh from Gnulib commit 4f78c231f4 2021-01-23 07:08:03 +01:00
doc doc/coding: Improve section "Portability" a bit 2021-01-23 08:39:13 +01:00
include retreat: Drop unused parameter @code 2021-01-23 08:39:13 +01:00
info info/Plane-types: Document SAM, ABM and a-sat missile abilities 2021-01-23 08:39:13 +01:00
m4 m4/my_lib_readline: Fix check for additional libraries 2021-01-23 07:08:21 +01:00
man fairland: Fix island growth and correct its bias 2021-01-19 08:21:02 +01:00
scripts Update copyright notice 2021-01-23 08:39:13 +01:00
src ef_verify: Reject invalid plane flag combinations 2021-01-23 08:39:14 +01:00
tests config: Change asat not to consume shells 2021-01-23 08:39:13 +01:00
.gitignore Make: Fix configure generated for dist-client 2017-08-13 14:31:07 +02:00
.travis.yml Bind Travis notifications to main mirror 2017-09-02 15:37:01 +02:00
bootstrap Replace other occurences of git-FOO by git FOO 2008-12-03 07:57:14 -05:00
configure.ac Update copyright notice 2021-01-23 08:39:13 +01:00
COPYING License upgrade to GPL version 3 or later 2011-04-12 21:20:58 +02:00
CREDITS Put URIs and e-mail addresses in <angle brackets> 2013-05-26 09:48:16 +02:00
GNUmakefile.in Update copyright notice 2021-01-23 08:39:13 +01:00
INSTALL build-aux INSTALL: Refresh from automake 1.16.3 2021-01-23 07:08:03 +01:00
Make.mk Update copyright notice 2021-01-23 08:39:13 +01:00
README Update copyright notice 2021-01-23 08:39:13 +01:00

Welcome to Empire 4, code-named Wolfpack.

Empire is a multi-player, client/server Internet based war game.
Copyright (C) 1986-2021, Dave Pare, Jeff Bailey, Thomas Ruschak,
Ken Stevens, Steve McClure, Markus Armbruster

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 3 of the License (in file
`COPYING'), or (at your option) any later version.

See file `CREDITS' for a list of contributors.

Directory `doc' has additional information.  File `doc/README'
describes the files there and what they talk about.

To build the server and set up a game, follow the steps below.

(1) Unpacking the source tree

    If you downloaded a tarball, unpack it.

    If you cloned a git repository, run bootstrap.  This requires
    recent versions of Autoconf and Automake to be installed.  See
    also doc/contributing.

(2) Building a server

    Prerequisites: IEEE Std 1003.1-2001 (POSIX.1-2001) with the X/Open
    System Interfaces Extension, GNU make, Perl, and either nroff or
    GNU troff (`groff').

    See file `INSTALL' for detailed compilation and installation
    instructions.  Quick guide for the impatient: run configure; make;
    make install.  The last step is optional; everything runs fine
    right from the build tree.

    If configure reports "readline: no" in its configuration summary,
    fancy line editing doesn't work in the client.  Commonly caused by
    not having development libraries installed.  On Linux, try
    installing readline-devel.

    If configure reports "terminfo: no" in its configuration summary,
    highlighting doesn't work in the client.  Commonly caused by not
    having development libraries installed.  On Linux, try installing
    ncurses-devel.

    If make fails without doing anything, you're probably not using
    GNU make.  Some systems have it installed as `gmake'.

    Solaris supports POSIX.1-2001, but you need to set up your
    environment for that.  Try

        SHELL=/usr/xpg4/bin/sh
        PATH=/usr/xpg6/bin:/usr/xpg4/bin:/usr/ccs/bin:$PATH

    See standards(5) for details.

    Likewise, AIX needs XPG_SUS_ENV=ON.

(3) Creating a game

    * Create a configuration for your game.  make install installs one
      in $prefix/etc/empire/econfig ($prefix is /usr/local unless you
      chose something else with configure).  You can use pconfig to
      create another one.

    * Edit your configuration file.  See doc/econfig for more
      information.

      Unless you put your configuration file in the default location
      (where make install installs it), you have to use -e with all
      programs to make them use your configuration.

    * Run files to set up your data directory.

    * Run fairland to create a world.  For a sample world, try
      `fairland 10 30'.  This creates file ./newcap_script, which will
      be used below.  You can edit it to change country names and
      passwords.

      Check out fairland's manual page for more information.

    * Start the server.  For development, you want to run it with -d
      in a debugger, see doc/debugging.  Do not use -d for a real
      game!

    * Log in as deity POGO with password peter.  This guide assumes
      you use the included client `empire', but other clients should
      work as well.

      For help, try `info'.

      To change the deity password, use `change re <password>'.

    * Create countries with `exec newcap_script'.

    Your game is now up!

Naturally, there's more to running a real game than that, but that's
beyond the scope of this file.

Please report bugs to <wolfpack@wolfpackempire.com> or via SourceForge
<http://sourceforge.net/projects/empserver/> (registration required).

For more information or help, try rec.games.empire on Usenet, or send
e-mail to <wolfpack@wolfpackempire.com> and we'll try to answer if we
can.  Also check out our web site at <http://www.wolfpackempire.com/>.

Have fun!

Wolfpack!