1. Alberto Uriarte Avatar Alberto Uriarte
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  3. BWTA2

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BWTA2 / Release Notes

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BWTA (master)

Changes:

  • BWAPI library not longer included in the project (using environment variable BWAPI_DIR).

Bug Fixes:

  • Fixed problem generating polygons not simple under some circumstances.
  • Fixed crash when calling BWTA::getGroundDistance2() with a non walkable tile.
  • Fixed an issue where positions initially occupied by neutral moving creatures are indicated as unwalkable.

BWTA 2.2

Changes:

  • BWTA2 dir is created automatically (to help people who don't read the starting guide 😜)
  • New method BWTA::cleanMemory() to clean all internal data. BWTA::analyze() calls this method to avoid corrupted memory on consecutive calls.
  • Debug version of the library.

Updated dependencies:

  • BWAPI 4.1.0

Bug Fixes:

  • Fixing incorrect minerals from BaseLocation::getMinerals() on certain conditions.
  • Fixed some memory leaks.

BWTA 2.1

Updated dependencies:

  • Boost 1.56 (from 1.54)
  • Project in Visual Studio 2013 using vc120 (from VS2010 and vc110). CGAL and Boost were recompiled using vc120.

Bug Fixes:

  • Player pointer hidden to meet BWAPI 4.0.1 definitions.

BWTA 2.0

Changes:

  • Neutral static building are considered as nonwalkable areas, i.e. better region decomposition.
  • Distance transform calculated for each regions using computeDistanceTransform(). Maximum distance transform accessible by Region::getMaxDistance().
  • Balance map statistics balanceAnalysis() using the following metrics:
    • Starting location openness.
    • Distance (A* and euclidean) between starting locations.
    • Average distance starting_location-expansion1-expansion2.
    • Average distance starting_location-all_expansions.
    • Choke point symmetry.
  • HPA* implemented for faster pathfinding. After analyzing the map we need to call once buildChokeNodes() to generate the cache data. After that we can use the following functions: 
std::list<Chokepoint*> getShortestPath2(BWAPI::TilePosition start, BWAPI::TilePosition target);
int getGroundDistance2(BWAPI::TilePosition start, BWAPI::TilePosition end);

Updated dependencies:

  • BWAPI 4.0.1 (from 3.7.4)
  • Boost 1.54 (from 1.40)
  • CGAL 4.4 (from 3.5)
  • Qt 5.3.0 (from 4.6.3, only needed for debugging)
  • Project in Visual Studio 2010 using vc110 (from VS2008 and vc80)

Updated