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Markus Armbruster 8e187c566f power: Make item power value configurable
Custom games may want to tweak how items contribute to the power
factor, in particular when products are also customized.  Add ichrstr
member i_power and item selector power for that.

"info power" doesn't reflect this change, yet.  It'll be updated in
the next commit.

The current item power values are problematic.  This will be addressed
later.

For straightforward configurations, reasonable item power values could
perhaps be derived from the configuration automatically.  However,
this is surprisingly hard in the general case: since producing things
should not decrease power, the efficiency of processing products into
other products needs to be considered, and estimating these
efficiencies can be difficult.

Deities can create multiple products making the same item, or multiple
sector types with the same product, but different process efficiency
(sect-chr selector peffic).  Providing differently efficient ways to
make the same item can be reasonable when the sector types involved
have different terrain.  To average them, you'd need to know the map.

The stock game has one example: gold mines produce dust with 100%
process efficiency, mountains produce it with 75%.  Mountains are
normally rare enough not to matter.

Level p.e. (product selectors nlmin, nllag) may have to be considered.
In the stock game, level p.e. variations are minor, because it reaches
0.9 pretty quickly.  In games where it doesn't, you might have to
increase the power value of the product.

Resources (sect selectors min, gold, fert, ocontent, uran) and
resource depletion (product selectors nrndx and nrdep) further
complicate things: you might want to increase the power value of
products depending on unusually scarce resources, but you can't know
what's scarce without understanding the map.

Signed-off-by: Markus Armbruster <armbru@pond.sub.org>
2017-08-06 19:59:45 +02:00
build-aux build-aux: Refresh from automake 1.13 2015-03-07 10:44:21 +01:00
doc doc/contributing: Fix git format-patch topic branch example 2015-12-13 10:46:58 +01:00
include power: Make item power value configurable 2017-08-06 19:59:45 +02:00
info power: Use ship, plane, land unit tech instead of nation's 2017-08-06 14:05:31 +02:00
m4 configure: Use -fstack-protector-strong when available 2015-12-05 13:19:38 +01:00
man man/empire: Trim unwanted space in synopsis 2015-12-13 10:46:58 +01:00
scripts Update copyright notice 2017-07-02 17:45:44 +02:00
src power: Make item power value configurable 2017-08-06 19:59:45 +02:00
tests power: Make item power value configurable 2017-08-06 19:59:45 +02:00
.gitignore .gitignore: Ignore sandbox 2014-01-19 08:18:38 +01:00
.travis.yml travis: Enable OS X 2015-12-05 13:19:39 +01:00
bootstrap Replace other occurences of git-FOO by git FOO 2008-12-03 07:57:14 -05:00
configure.ac Update copyright notice 2017-07-02 17:45:44 +02:00
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 2017-07-02 17:45:44 +02:00
INSTALL INSTALL: Refresh from automake 1.13 2015-03-08 18:23:33 +01:00
Make.mk tests/update: New; exercises the update 2017-08-06 14:04:15 +02:00
README Update copyright notice 2017-07-02 17:45:44 +02:00

Welcome to Empire 4, code-named Wolfpack.

Empire is a multi-player, client/server Internet based war game.
Copyright (C) 1986-2016, 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), GNU make, a
    curses library, 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 "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 passing
        SHELL=/usr/xpg4/bin/sh PATH=/usr/xpg6/bin:/usr/xpg4/bin:$PATH
    to make.  See standards(5) for details.

(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!