File: CHANGELOG

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openssn 1.4-3
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======= openssn-1.4 ==================

  - Added new mission, provided by David Luckie.

====== openssn-1.3 ===================

  - Added unistd.h and corrected DrawPixel declaration
    to fix compile/build errors.

  - Removed un-needed -k command line option. It
    was buggy and causing compiler warnings.


========= openssn-1.2 Jun 3, 2012 ===========

  - Applied makefile patch from Vincent.

  - We no longer create font and largeont files in
    the directory "./data/" OpenSSN used to try to
    save our fonts in case the font files were missing,
    but this is no longer required and is probably
    improper behaviour. This fix closes Debian bug
    #675744.
    Thanks to Guillem for pointing out the error.



========== openssn-1.1 Nov 7, 2011 ============

  - Updated makefile to support more data locations.

  - Helicopters will guard friendly ships if they cannot
    hear enemies.

  - Subs attack a little slower to avoid alerting everyone.

  - Helicopters no longer rapid-fire torpedoes.

  - Subs will now stay below a thermal if they hear helicopters.

  - Helicopters will shoot at enemy subs.

  - Helicopters should now track enemy submarines.

  - Helicopter now moves randomly when searching for
    targets and it has nothing better to do.

  - Added debug compiler flag DEBUG_HELICOPTER.

  - Removed "ships" index variable. With linked lists we
    should not need it.

  - Added helicopter class.

======== openssn-1.0 Oct 22, 2011 ============

  - Game now recognizes OPTDIR variable, for when OpenSSN
    is installed in /opt/openssn/

  - Corrected/improved makefile.
    Patch provided by Vincent.

  - Added optinstall option for Makefile, installs
    OpenSSN under /opt/openssn

========== openssn-0.9 September 26, 2011  =========

  - Added sub vs sub mission.

  - Stack holding ESM data is now of dynamic size. Should no
    longer crash when faced with many surface targets.

  - Updated makefile. Added manual page, desktop entry and icon.
    Files and updates provided by Vincent on behave of 
    the Debian project.

  - Vessels in attack mood who have no target slow down
    to cruising speed so they can hear better.

  - Added escort mission.

  - When an escorted ship is sunk the mission fails.

  - Fixed bug which prevented all sounds from showing up on
    sonar display.

  - We should now be able to make missions where a vessel's
    goal is to stay alive for N seconds.

  - Sound signals should show up brighter on sonar display.

  - Added new recon mission.

  - AI subs should not "randomly" move to surface during
    patrol.

  - Vessel depth changes a little faster now, even at
    slow speeds. Simplified depth change calculation.

  - When traveling in reverse the sub should rise/fall in
    the proper direction.

  - AI subs should change depth sometimes.

  - Fixed bug which would prevent AI from shooting at
    near targets.

  - AI vessels should shoot at different ranges depending
    on their mood and a little randomness.

  - Enemy surface ships now detect radar signals and
    investigate.

  - Pinging at escorts in a convoy will cause the escorts to
    examine the pinging vessel.

  - AI now notices pinging and will move to investigate.

  - Added keys for moving to periscope depth and surfacing.
    X and S respectively.

  - Radar now gives us the location, but not a firm
    contact on surface vessels. Prevents "cheating'
    when on recon missions.

  - Ship type is now included in target information.

  - Added new carrier class ships.

  - AI vessels in ATTACK mood should now chase after the
    origin of torpedoes.

  - Reduced thermal dampening of sound from 25% to 15%

  - Player should be informed if they have been hit.

  - Updated English PDF manual.

  - Added makefile target "tarball" for creating source packages.

  - Stack object is now a linked list, not an array. Allows for
    more ships/subs/sonar data.

============ openssn-0.8 released September 18, 2011 ==========

  - Display text feedback when changing depth or holding depth.

  - Added new mission, hunt for a Typhoon.

  - We should no longer display target information if we
    do not have a strong contact.
    Re-wrote Next_Target function to only return strong targets.

  - Added controls to go up/down a thermal. Added key to hold
    current depth. See README file for details.

  - Depth and thermal meter now appears on helm screen and nav screen.

  - Use SDL_gfx functions to draw arrows on helm screen.
    Minor code clean-up. Patch provided by Rick.

  - Added patch from Rick to show ordered heading vs actual
    heading on helm screen.

  - Added depth and thermal indicator to the tactical map screen.

  - Added Spanish translation of the manual from Fernando Liebana.

  - Make sure we define DATADIR, even if we don't use a makefile.

  - Thermal layers now filter sound.

  - Rewrote code for getting command line options to make it
    compatable across operating systems.

  - Compatibility functions for WIN32 created. These functions
    are stored in winfunctions.cpp and winfunctions.h
    strncasecmp and strcasestr functions are now duplicated
    and wrapped up in ifdefs.

  - Converted snprintf calls to sprintf for WIN32

  - Converted fabs() calls to abs() in radar.cpp for the WIN32 platform.

  - Dependency unistd.h removed from main.cpp

  - Added thermal layers to listening function Can_Hear().

  - Added DEBUGMAP flag in Makefile to help test MAP class.

  - Added MAP class, which will handle depth and thermal layer information.

============ openssn-0.7 released August 15, 2011 =============

  - Added sounds for pinging, torpedo launch and explosions.

  - Added sounds directory creation to makefile.

  - Added click button for active sonar.

  - Torpedo room buttons looks more torpedo-like.

  - Ships will run from torpedoes, even if they are chasing/attacking.

  - Ships now fire torpedoes at ships they are chasing.

  - Added active sonar for player.

  - Ships and subs should now remain within the map boarders.

  - Sonar contacts now get stronger/weaker properly. Moved InBaffles
    check to the Submarine class to make it modular.

  - Sonar display is no longer erased by ESM or radar data.

  - Ships with sonar now warn other ships about torpedoes in
    the water.

  - Game should remain stable if a torpedo we are tracking
    explodes or runs out of fuel.

  - Surface ships with radar should be able to detect anything on
    or above the surface.

  - Ships running from torpedoes will now eventually change course
    and slow down if no more torpedoes are detected.

  - Ships in a convoy now react when one of them is hit.
    Merchants scatter.

  - Moved update functions out of timer function to avoid
    overlap if too much is going on. Instead timer function now
    sets a flag to let us know we should update.
    This should fix the X11 crashes.

  - Torpedoes must be at the proper depth to strike a target.

  - Game now properly reports torpedoes and noisemakers
    running out of fuel.

============ openssn-0.6 released July 5, 2011 ==========

  - Fixed Makefile path error.

  - Noisemakers run in straight line at full speed.
    They used to circle slowly.

  - Noisemakers appear on tactical map.

  - Added AIDEBUG flag to help figure out what the AI is thinking.
    It's much less verbose than plain DEBUG.

  - AI subs/ships should only run from torpedoes aimed at them.

  - Ships in a convoy will no longer wander off randomly.

  - Once towed array is cut a new array cannot be extended.

  - Added new mission.

  - Player can now cut the towed sonar array to avoid
    speed limitation.

  - Player is now limited to six launches at a time.

  - Fixed crash issue with stack module.

  - Noisemakers now distract torpedoes (sometimes).

  - Player is now warned if torpedoes are coming toward
    the player's submarine.

  - When torpedoes cannot hear their target, they will try
    to find a new one.

  - The game now searches for data files more effeciently by looking
    in the preset DATADIR, which is based on PREFIX. See the Makefile.

  - Simplified version detection. Value is now stored in top-level
    makefile.

  - Added "ships" directory to Makefile's install section.

  - Updated src/Makefile and Makefile to remove duplicate effort.

  - Added Makefile.windows to ease cross-platform builds. Added
    target "make windows" to top-level make file.

  - Fixed some compiler errors/warnings to make game more cross-platform
    friendly. 

============ openssn-0.5 released June 26, 2011 ==========

  - Main menu can now select and launch missions.

  - Added new drawing function CircleFill()

  - Game now displays main menu with interactive buttons.

  - We should only need to find data files once, then the files module
    remembers their location.

  - Moved primative drawing functions to draw.h, draw.cpp from
    main.h, main.cpp. This allows us to draw things in other
    modules, like the menu.

  - Created Menu module for displaying and working woth the main menu.

  - Sonar screen now shows angle and direction to target.

  - If the player's sub is destoryed, the game should now end gracefully.

  - Losing a torpedo target no longer causes crash.

  - Created top-level make file for easier access.

  - Towed sonar array limits sub's maximum speed.

  - Crew now gives feedback about extending/reteiving towed array.

  - Sonar display now adds more colour contrast to different types
    of signals. Surface ships are green, submarines blue and torpedoes
    are red.

  - Torpedoes show up on sonar.

  - Created new mission

  - Missions can now be accessed using the -m flag on the command line.


========== openssn-0.4 released June 11, 2011 =========

  - Separated some ship-file/class file information.

  - Added basic mission parameters.

  - Targeting system now respects the new ship linked list format.

  - Adjusted ship data file format to be more clean.

  - Ships are now stored in a linked list, rather than fixed array.

  - Submarines now run from torpedoes.

  - Ships with sonar will now run away from torpedoes.

  - Fixed torpedo's sonar.

  - Fixed ESM station display. Signals from targets now display.

  - Converted abs() calls to fabs for compatibility with FreeBSD.


============ openssn-0.3 released May 30, 2011 =================

  - Non-player ships now make course changes on their own.

  - Ships now take damage when hit by torpedoes and sink.

  - Torpedoes can now run out of fuel (after around 8-10 miles).

  - Added torpedo clean-up code.

  - Torpedos now listen for and track their targets.

  - Torpedos and noisemakers can now be fired by the player
    and are shown on the tactical map.
    
  - Torpedoes and noisemakers can be loaded using the mouse.

  - Reduced CPU usage on Weapons screen by about 50%.

  - Toned down waterfall display a little, reduced brightness.

  - Added weapons console and the ability to load/unload tubes.

  - Ship class data (name, speed, depth) is now kept in the
    "ships" directory and is loaded at the beginning of each
    scenario.

  - Now we can only select a target if we can see it on the map.


  ============ openssn-0.2 released May 23, 2011 ================

  - Added rough manual in ODF and PDF formats.

  - Sub now turns/dives a little faster.

  - We now display a message when switching screens to show which
    console we are viewing.

  - Desired depth and speed now stay within sane ranges.

  - Player can now get information on selected targets.

  - TMA screen wasn't working, removed it.

  - Targets are now picked up faintly at first, then become solid
    contacts and fade out when the signal is lost.

  - Made sure detection through sonar, esm and radar work.
    Also made sure radar and esm does not track subs.

  - Players can only see ships on the map if they can detect them.

  - Player ships is now green and thicker on the map, making
    it easier to spot.

  - Extended CreateShips function to allow for more missions.
    Missions can be created in data/ships.dat files.

  - Radar and ESM no longer work is we are below periscope depth.

  - Makefile now handles install and deinstall targets

  - Massive code clean-up to allow the game to access data and
    image files in other locations (ie /usr/local/share/games/openssn)

  - Moved data and images files into their own directories.

  - Map now zooms in/out smoothly

  - Reduced CPU usage, was around 95-100%. Should now be closer
    to 10% on most modern machines.




===========  openssn 0.1 released May 12, 2011 ===============