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CHANGELOG.md

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Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

Unreleased

2.2.0 - 2020-06-16

Changed

  • Significant update to divisional tournaments: 1) Can run more than one division (netbots server) at a time, 2) handles crashed robots, 3) better logging, 4) tunable vars moved to top of script.
  • Change server so it runs with whatever bots have joined by the time maxSecsToJoin is reached, as long as 2 robots or more have joined. Server still only allows max botsInGame to join and no more robots can join after game has started.
  • The server no longer counts missed steps while waiting for bots to join game.

2.1.3 - 2020-05-30

Changed

  • Change scoreboard Missteps from an absolute value to a %.
  • Change divisions_tournament.py to perform cross divisions at the start of each round, after the first.
  • Fixed bug in divisions_tournament.py so that stderr is directed to stdout correctly.

2.1.2 - 2020-05-29

Changed

  • Fixed bug in stop conditions of divisions_tournament.py.

2.1.1 - 2020-05-28

Changed

  • Made binary msgpack the default if installed. Updated docs on how to increase NetBots performance with binary msgpack.
  • Updated README docs for divisions_tournament.py use on Linux.

2.1.0 - 2020-05-27

Added

  • Added Division Tournament runner which can run tournaments with a multiple of 4 robots, up to 64. (4, 8, ..., 64), only on Linux. No documentation has been created yet. For now see code or ask a question on GitHub for help.
  • Added server options for: json output (-jsonsb); suppress the output of all but the last scoreboard (-onlylastsb); maximum time server will wait for robots to join game (-maxsecstojoin). These were needed to support divisional tournaments.
  • Added "Missteps" to scoreboard. Missteps is the number of steps during which no messages were received from the robot.
  • Added file output support to netbots_log via the setLogFile method.
  • Added support for binary msgpack module. However this does not work with the viewer and has been left commented out. If not using the viewer then a significant performance increase can be seen with the binary msgpack. See import section of netbots_ipc module for code to uncomment.

Changed

  • Changed all instances of "score board" to "scoreboard".
  • Fixed python warning for "is not" being used with a literal. Changed to "!=".

2.0.0 - 2019-06-09

Added

  • Robot classes have been significantly improved. See Robot Classes for details. Robot classes more values, such as explRadius.
  • Instant replay added to viewer. Pressing the space bar activates a 7 second long instant replay at the default step speed. Live action will resume after the replay completes.
  • Robots in viewer have been updated to indicate most parameters: direction, requested direction, speed, requested speed, last scan, and last fire direction.
  • When it quits, NetBots server outputs netbot_ipc stats separated by ip:port.

Changed

  • Advanced collisions is now the default and default hitDamage has been increased to 10. This means robots will take much more damage from collisions. Restore old behavior with -simplecollisions -hitdamage 1.
  • Demo robot train.py replaced with scaredycat.py. Scaredy Cat demonstrates avoidance of other robots and walls by using scan and location data.
  • Other updates to README. Some information from README has been moved under docs/.

1.4.0 - 2019-06-02

Added

  • The server now supports advanced collisions (enable with -advancedcollisions option). Hit damage is assigned based on speed and angle of collision.
  • Viewer -randcolor option added that uses random color for robots.
  • A new robot class system has been implemented. Enable with -allowclasses option on server. There is still more work before classes have correct game mechanics.
  • The server now has -scanmaxdistance option which defines the max distance an enemy robot can be detected with scanRequest.
  • Team demo robot added. This is an example of using python threading to control two robot from one python script. The robots can share information and work together.
  • Data from each robots last scanRequest and fireCanonRequest message are now stored and sent to the viewer. This can be used by later viewer updates.

Changed

  • Demo robots wait longer for server to to reply to joinRequest.
  • Robots can no longer send messages with unknown data fields and optional fields are now supported and validated.
  • Shells now appear as small arrows in viewer rather than circles.
  • Robot names are now limited to max length of 16 characters.
  • Fixed bug that did not allow scanReply to return robot further than 1415 distance away.
  • Minor updates to README.
  • Server no longer mistakenly includes result field in fireCanonReply message.

1.3.0 - 2019-05-15

Added

  • Server option -noviewers which disables viewers.
  • Server prints command line options on startup.

Changed

  • netbots_math.contains() can now scan a full circle (0 to 0 radians)
  • Robot colors in viewer have been improved.
  • Minor documentation fixes.

1.2.0 - 2019-05-06

Added

  • Ability to use all permutations of each start set of start locations. Enable with -startperms command line option. When enabled, each set of start locations will be used multiple times with each permutation of robots to positions.
  • Percent of total points each robot has is now displayed on the scoreboard. Other stats have also been added.

Changed

  • Default -droprate to 11 (a prime number). This may be more fair.
  • Stats have now been combined with scoreboard.
  • Server now busy waits, rather than calling time.sleep(), which is much more accurate for timing steps.
  • Other minor performance improvements.

1.1.1 - 2019-05-02

Added

  • NetBots contribution guidelines added.

Changed

  • Formatting updates to better comply with PEP8
  • Removed repeated import and fixed spelling.

1.1.0 - 2019-04-25

Added

  • Added Total Damage inflicted to server scoreboard. This is the damage that explosions from a robot's shells have had on all robots, including the robot that fired the shell.

Changed

  • Fixed bug where alive robots were colliding with dead robots. Dead robots should not cause collisions.
  • Added missing "pass" statement to Sitting Duck demo robot. Missing statement was causing Sitting Duck to not run.

1.0.1 - 2019-04-24

Changed

  • Fixed bug that was only allowing one less than botMsgsPerStep messages to be processed per robot per step. This was impacting any robots trying to send botMsgsPerStep messages in a single step as one of their messages was being incorrectly dropped.

1.0.0 - 2019-04-19

Added

  • More stats have been added to server scoreboard.
  • Added this CHANGELOG.md

Changed

  • Default game mechanics changed so it takes longer for robots to win. Damages have been cut in half and robot acceleration rate has been doubled.
  • Viewer sends keep alive more often to ensure viewer is not dropped by server.
  • NetBots now requires Python 3.6 or higher because server code started using f-strings.

0.9.0 - 2019-04-16

  • Beta release.