We are happy to announce that Empire 4.4.0 is now available. You can
download it from

http://sourceforge.net/projects/empserver/files/

More information on Empire can be found on our home page

http://www.wolfpackempire.com/

This release fixes many bugs, in particular around the update. Player
visible changes include revised rules for spy and security units, and
for flying into and out of mountains. Deity visible changes include
game customization improvements. The client now supports fancy line
editing and persistent history.

Deities are advised to use this release for new games. Upgrading
mid-game is not supported, and expected to result in total disaster.
Fine print: you should be able to upgrade with the empdump utility, if
you know what you're doing.

Attention, client writers: xdump changed incompatibly, please peruse the
change log. We apologize for the inconvenience.

This release was made from the Git repository at

http://git.pond.sub.org/empserver/

Change log:

Changes to Empire 4.4.0 - Sun Sep 3 2017
* Don't increase negative ship and land unit mobility to zero on
trade.
* Client improvements
- Support fancy line editing and persistent history when compiled
with the GNU readline library. Contributed by Martin Haukeli.
- Fix misdetection of input EOF in obscure circumstances.
- Tighten protection against rogue server abusing redirection and
execute.
- Improve some error and warning messages.
* Fix wire for deities to honor announcement rejection. Broken in
Empire 3.
* Fix excessively fast contact aging with option LOSE_CONTACT.
Broken in 4.3.0.
* The edit command no longer shows contact with option HIDDEN.
* Grant security units a military control bonus similar to their
shoot and convert mobility bonus.
* Embarked land units no longer contribute to military control.
* Fix convert and shoot not to put foreign and embarked land units to
work. Screwed up when land units were added in Chainsaw.
* A security unit's combat strength bonus for fighting guerrilla is
now proportional to its efficiency.
* The mobility bonus a security unit provides to shooting and
converting civilians is now proportional to its efficiency.
* Fix a missing newline in the edit command's "teleported" message.
Messed up in 4.3.32.
* Don't permit boarding of embarked land units.
* Guerrilla fighting fixes:
- Let rebels liberate old-owned sectors again. Broken in 4.2.6.
- Fix overeager destruction of defending land units. Screwed up
when land units were added in Chainsaw.
- Reduce under-strength land unit damage for consistency with
ordinary ground combat.
- Land units without military can no longer die fighting che. They
can now get captured when the rebels take over the sector, just
like in ordinary ground combat.
- Fix the way casualties are applied to land units, because it is
utterly bonkers. Screwed up when land units were added in
Chainsaw, made worse when military became loadable in 4.0.0.
- Fix guerrilla shootout body counts. Screwed up when land units
were added in Chainsaw.
* Fix ground combat not to disclose retreat of defending land by
printing newlines. Messed up in Empire 3.
* Fix bad grammar in message reporting destruction of an attacking
land unit.
* Fix a missing newline in intelligence reports on land units.
Broken in 4.3.33.
* Spy unit changes:
- Spies can no longer assault foreign sectors together with non-spy
units. This matches attack and board.
- Ground attack can no longer detect spies in the target sector.
They can still get caught when the attack succeeds.
- Spies that get caught when their sector is taken over are now
summarily executed.
- Change the chance for assaulting spies to "sneak ashore"
undetected from 10% regardless of efficiency to 40% at 100%
efficiency. The chance drops to 0% at 20% efficiency.
- Assaulting spies now use mobility and can hit landmines even when
they "sneak ashore".
- Plug memory leak in spies sneaking ashore. Screwed up when spy
units were added in 4.0.0.
* Plug memory leak when missile defense sinks attacking ships. The
leak goes back to flawed bug fix in Empire 2.
* Fix lost and xdump lost to report more than one lost sector.
Broken since lost item tracking was added in 4.0.7.
* Merged news reports now saturate "times" at 65535. Before, merging
stopped when "times" reached 127.
* More detailed version information, looks like this:
V Unmodified release V (same as before)
V.N-H Modified release built from a clean git tree
N is the number of additional commits, and
H is the abbreviated commit hash
V.N-H-dirty Same, but the working tree is dirty
V-dirty Modified release built from a tarball
Visible in output of commands version, xdump version, and in
program output for option -v.
* Update, budget, neweff, production and work improvements:
- Delivery screws up when it abandons a sector. Fix by making it
not abandon sectors.
- Plague people in sectors only after taxes and feeding, for
consistency with ships and land units. Sectors were messed up in
Empire 3.
- Reorder the update sequence not to prefer countries with lower
country numbers when the same sector repairs ships, planes or
land units owned by multiple countries. Broken since Chainsaw
introduced budget and foreign repairs as options. Either option
worked sanely in isolation back then, but not their combination.
They both became standard in Empire 2. Restore the pre-budget
order.
- Fix budget for ship, plane and land unit repairs in foreign
sectors. Also broken since Chainsaw.
- Fix the update to use new available work for ship, plane and land
unit repairs even when the sector owner has a higher country
number. Also broken since Chainsaw.
- Pilots are now paid at the same time as other military. Can
matter only when the country goes broke during the update.
- Make ships produce after eating and building efficiency, like
sectors. The starvation command assumed that, and the change
"fixes" it.
- Don't let stopped ships produce.
- Fix sector maintenance to charge for stopped sectors and when the
owner is broke. Broken in 4.3.23.
- Fix plane maintenance to charge for satellites in orbit. Broken
in 4.2.2.
- Change TECH_POP to count civilians in ships and land units.
- Fix happiness and education to count civilians in ships before
plague (same as in sectors), and to count civilians in land
units. No such land units exist in the stock game.
- Revise sector production to avoid rounding intermediate values.
This makes commands production and budget a bit more accurate.
- Don't round income and expenses before adding them up. Fixes
numerous crazy artifacts, such as military getting paid less when
spread over many sectors.
- Fix budget for nations going broke or becoming solvent.
- Fix military count in budget.
- Zap available work when the sector is stopped or its owner is
broke. Broken in 4.0.0.
- Limit "rollover" of unused available work to about half the
work done by people at the update.
- Round the people's work randomly rather than down, to reduce
micromanagement incentives. This is how things worked until
Empire 3.
- Make sector and unit building more predictable. The budget
command is now a bit more accurate.
- Don't let repair of foreign ships, planes and land units use
materials and available work destroyed by che or the plague.
- Stopped sectors no longer repair foreign ships.
- Fix unowned uw to eat, procreate and produce normally.
- Fix budget not to predict production when the required level is
too low.
- Fix use of stale owner after revolt or revert to deity. In
particular, a bank now pays interest to the rebels. Research and
tech level for plague were also off. Has always been wrong.
- neweff and production now simulate the effect of insufficient
food, like budget does.
- Fix double-rounding of new work that made the update sometimes do
less than neweff and production predicted. Broken in Empire 3.
- Enforce sector population limit only right after growth. Before,
it was also enforced when the sector changed from big city to not
big city (since Empire 2 added option BIG_CITY), but not for
other changes of the population limit during the update.
- Limit work in big cities to the population limit at 0%
efficiency, to get rid of ugly special cases in the code.
- Code refactoring to undo much of the damage done in Empire 3 to
make budget reuse the update's code.
* Make plains more like wilderness: efficiency costs no money,
but doesn't reduce mobility cost.
* Changes to collect:
- Tweak value of sectors.
- You can no longer collect an active capital.
- Don't disclose the value of a sector when it exceeds the amount
owed.
* Changes to xdumps, breaking compatibility:
- Split tables relat, reject, contact off table nat. Saves disk
I/O and xdump bandwidth.
- Table nat's field "hostname" was deprecated in 4.3.33 and is now
gone.
- Meta-type numbers now map to meta-type symbols 1:1. Meta-type
"c" is gone; the selectors use type "s" instead.
- New sect-chr and item field "power". Field "value" is gone.
- New sect-chr and infrastructure fields "l_build", "h_build"
replace "lcms", "hcms". The replacements track materials for
building 100% instead of 1%.
- New plane-chr field "m_build" replaces "crew".
- New sect-chr, ship-chr, plane-chr, land-chr, nuke-chr and
infrastructure fields for arbitrary build materials, named
"g_build" for guns, "p_build" for petrol, and so forth. For now,
these are all zero.
- sect-chr field "cost" is now money to build 100% (was: cost to
designate). It replaces field "build" (money to build 1%).
- New sect-chr, ship-chr, plane-chr, land-chr and nuke-chr field
"bwork" field "bwork" is work to build 100% sector efficiency.
Tearing down a sector costs one fourth as much.
- New sect-chr field "flags", backed by new table sect-chr-flags.
The only flag so far is "deity", which marks sectors mortals
can't designate.
- New infrastructure fields "cost" and "bmobil" are money and
mobility to build 100%. They replace fields "dcost" and "mcost"
(money and mobility to build 1%).
- meta-flags "extra" and "const" are gone. They were of no concern
to clients anyway.
* Game customization improvements:
- The power value of commodities is now configurable, and "show
item" shows it. The collect value of commodities and sectors is
no longer independently configurable, but derived from power
value.
- More flexible infrastructure material and mobility cost
configuration.
- More flexible sector build material and cost configuration,
consistent with unit building.
- Work to build sectors, ships, planes, land units and nukes is now
independently configurable. Before, it was fixed at 100 for
sectors, and a function of build materials for ships, planes,
land units and nukes.
- The designate command can no longer be made to cost money.
* Fix obscure corner cases where we failed to reset work percentage,
loyalty or old owner in sectors without civilians. Lingering old
owner can prevent airlifting and unloading civilians. The fix
partly mitigates the bug where airlifted and unloaded civilians
adopt the sector's work percentage and loyalty. It also sets work
percentage to 100% for unowned sectors without civilians.
* Even planes without crew can now spread the plague.
* The transport command now computes plane weight from build material
weight rather than making it up. The stock game's planes become a
bit easier to transport, except for Zeppelins.
* Tweak the "power factor", which determines power chart order:
- Nukes now contribute to power just like other units.
- Tweak power value of items, sectors ships, planes and land units:
construction materials, oil and civilians are worth less, shells,
guns, bars and petrol are worth more. Cheap and old (low tech)
ships, planes and land units are worth less, expensive and new
ones are worth more. Cheap and "small" (low maximum population)
sectors are worth less, expensive and big ones are worth more.
- Tweak tech's contribution to power so it's less dominant at low
tech.
- Research no longer contributes to power with option RES_POP.
Note that with the old formula, producing and building certain
things could be a net loss of "power".
* The edit command now lets you edit land unit plague stage and time.
* Takeoff and landing in mountains now require capability helo or
missile. The flying commands reject fixed-wing planes based in
mountains. When flying to a mountain, they select only helicopters
and silently ignore the rest, exactly like they select only VTOL
planes for flying to a non-airfield. Similarly, missions ignore
fixed-wing planes in mountains. Before, any plane could bomb,
drop, paradrop and fly missions out of a mountain, but no plane
could fly to a mountain one-way, with fly, recon or sweep. Has
always been that way.
* Add missing newlines to "while it is carrying a nuclear weapon"
messages. Screwed up in 4.3.23.
* Disallow bombing spy units. Bombers spotting spies makes no sense.
Worse, they could bomb spies that weren't spotted. Screwed up when
spy units were added in 4.0.0.
* Fix march's check for sector abandonment not to ignore land units
that evade spy detection or are loaded on ships, but to ignore land
units loaded on land units marching out. Broken in 4.3.33.
* Fix damage and ammunition use when multiple defenders with the same
UID (say a ship and a land unit) return fire to multiple attackers.
Broken in 4.3.12.
* Fix march not to wipe out concurrent updates when the player
declines to abandon the sector. Broken in 4.3.33.
* Make the savecore example script report more nicely when there's no
core dump.
* Enable various compiler options for hardening the programs against
certain kinds of attacks when available.
* Tell compilers not to rely on strict aliasing and signed overflow
rules. These rules are subtle, and compilers can't reliably
diagnose violations.
* Test suite improvements:
- Add news to the smoke test.
- Enable GNU libc memory allocation error checking.
- Cover much of the update. Notable gaps are fallout, delivery,
distribution, ALL_BLEED, LOSE_CONTACT, and parts of guerrilla.
- Cover version, show and xdump of configuration.
- Improve navigate and march coverage.
* Plug memory leaks in navigate and march. Broken in 4.3.33.
* Fix read beyond buffer in navigate, march and automatic retreat.
Could theoretically crash the server. Broken in 4.3.33.
* Fix out-of-bounds array read in bomb, drop, fly, paradrop, recon,
sweep. Could theoretically crash the server, or be abused to gain
plane mobility. Broken in 4.3.27.
* Enable more compiler warnings.
* Code refactoring and cleanup.
* Info page, manual page and documentation fixes and clarifications.


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