Tomcat/Version History

v. 3.52b

Date: 15.12.11
Results: retired

• check bullet shadows optimisation reverted
• prediction data precalculating reverted
• bullet shadows calculating optimisation reverted
• major code cleanup reverted

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v. 3.52a

Date: 15.12.11
Results: retired

• getFuturePosition optimisation reverted

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v. 3.52

Date: 15.12.11
Results: retired

• updating prediction data for bullets in air reworked
• getSimilarEntries optimised
• check bullet shadows optimised
• prediction data precalculating added
• getFuturePosition optimised
• bullet shadows calculating optimised
• major code cleanup
• NPE in BulletManager avoiding added

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v. 3.51

Date: 10.12.11
Results: RoboRumble ‒ APS: 87% (3rd), PL: 840-1 (2nd), Survival: 95.6%

• CPU usage profiling added
• prediction data management reworked: now do not unnecessary calculations and update bullets in air with data from bulletHitBullet and hitByByllet events

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v. 3.50a.opts.3

Date: 10.12.11
Results: RoboRumble ‒ APS: 86.93% (3rd), PL: 841-1 (1st), Survival: 95.45%

• use distance square for points generation loop break
• dist to enemy danger component calculation optimised
• enable avoiding collisions with enemy only when distance between is less than 100

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v. 3.50opt39

Date: 09.12.11
Results: RoboRumble ‒ APS: 86.83% (3rd), PL: 841-2 (2nd), Survival: 95.39%

• work with walls (smoothing, distancing etc.) optimisation
• limits container in PSTree changed from map to array
• isEnemyRammingNow() optimised
• angle calculation in DistanceController optimised
• RobotImage speed & absoluteHeading optimised
• waves processing optimised
• MovementDecision optimised - explicit collisions with walls avoiding removed
• getPointDanger() optimised
• wall smoothing optimised - do not smoothing if min distance to wall greater, than wall stick
• avoiding with enemy collisions optimised

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v. 3.50

Date: 06.12.11
Results: RoboRumble ‒ APS: 86.9% (3rd), PL: 840-1 (1st), Survival: 95.49%

• use projected position on first bullet flight time for calculating enemy BO on first and second bullet attributes

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v. 3.49

Date: 04.12.11
Results: RoboRumble ‒ APS: 86.93% (3rd), PL: 840-1 (2nd), Survival: 95.49%

• use 3 best logs in terms of log hit rate - log miss rate and 3 best logs in terms of enemy hit rate

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v. 3.48c

Date: 30.11.11
Results: RoboRumble ‒ APS: 86.85% (3rd), PL: 841-0 (1st), Survival: 95.42%

• revert to v3.48
• lateral* usage reworked
• lateral velocity calculation bug refixed

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v. 3.48a

Date: 29.11.11
Results: RoboRumble ‒ APS: 86.96% (3rd), PL: 839-2 (2nd), Survival: 95.51%

• lateral velocity calculation bug fixed

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v. 3.48

Date: 28.11.11
Results: RoboRumble ‒ APS: 86.92% (3rd), PL: 840-1 (2nd), Survival: 95.45%

• reselect orbit direction, when enemy velocity signum changed, instead of acceleration signum
• do not reselect orbit direction, when distance between changed more than 25px
• sort predicted bearing offset to points danger calculations optimisation
• remove calculation danger on second wave and enemy attack angle
• multiply danger of bullet to bullet power
• increase same orbit direction multiplier to 0.95
• points generator clean up and refactoring
• reuse points generation method in pif method
• bug -8 acceleration in movement decision applying fixed
• evaluate second wave surfing for 6 safest points in both directions

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v. 3.47b RoboRumble ‒ APS: 86.81% (3rd), PL: 839-1 (1st), Survival: 95.32%

• movement mechanics reworked - select orbit direction to destination point every tick
• use exactly same code for real movement and movement prediction

v. 3.47a RoboRumble ‒ APS: 86.86% (3rd), PL: 839-1 (1st), Survival: 95.4%

• antiSurf2 data view in gun fixed - second lastVisitedGF1 changed to lastVisitedGF2

v. 3.47 RoboRumble ‒ APS: 86.84% (3rd), PL: 838-2 (3rd), Survival: 95.38%

• WaveSurfingMovement refactored
• multiply wave surfing implemented

v. 3.46 RoboRumble ‒ APS: 86.71% (3rd), PL: 839-1 (1st), Survival: 95.24%

• revert to v. 3.44mt1

v. 3.45 RoboRumble ‒ APS: 86.82% (3rd), PL: 839-1 (1st), Survival: 95.35%

• enemy visits history gathering added
• added data view to gun with 2 last visited gfs and hi time importance

v. 3.44mt1 RoboRumble ‒ APS: 86.79% (3rd), PL: 839-0 (1st), Survival: 95.33%

• use visit logs only after 5 hits
• use no danger for future bullets, after fire time is passed
• recalculate orbit direction if distance to travel < stop distance + 8
• danger formula tweaks
• use min distance to enemy instead of distance to enemy cur pos

v. 3.44 RoboRumble ‒ APS: 86.11% (4th), PL: 838-1 (1st), Survival: 95.01%

• divide point danger by (1 - robot's shadowed interval length)

v. 3.43 RoboRumble ‒ APS: 85.35% (6th), PL: 835-4 (3rd), Survival: 94.22%

• bot effective interval doubled in gun

v. 3.42 RoboRumble ‒ APS: 85.23% (7th), PL: 839-2 (1st), Survival: 94.09%

• best logs management reworked
• use 4 best logs from each category

v. 3.41p RoboRumble ‒ APS: 84.94% (7th), PL: 836-3 (3rd), Survival: 93.86%

• bug fix in wave to surf selection

v. 3.41o2 RoboRumble ‒ APS: 85.02% (7th), PL: 834-4 (4th), Survival: 93.95%

• everything, that has influence optimised. Now Tomcat is fast almost as nano:)

v. 3.41a RoboRumble ‒ APS: 84.85% (7th), PL: 835-2 (3rd), Survival: 93.97%

• bug with using incorrect turn snapshot to recalculating prediction data fixed
• bug with not reselecting orbit direction after bullets on air updated fixed
• use stop distance + 8 to determine time to stop

v. 3.41 RoboRumble ‒ APS: 84.78% (7th), PL: 829-6 (6th), Survival: 93.59%

• bug fix in danger calculation function - now distance to center and attack angle really has influence
• distance to enemy component added to danger function
• remove danger from future waves, if time to fire more than time to stop or predicted fire time passed

v. 3.40 RoboRumble ‒ APS: 84.8% (7th), PL: 832-3 (3rd), Survival: 93.7%

• bullet shadows processing reworked - now in WS use all predicted bullets, but at prediction time shadowed bullets add with danger 0.01
• lxx bullet search in bullet manager fixed

v. 3.39b RoboRumble ‒ APS: 84.79% (7th), PL: 830-5 (5th), Survival: 93.67%

• reselect orbit direction, when bullet shadows changed
• bug fix with not removing shadows of intercepted bullets

v. 3.39 RoboRumble ‒ APS: 85.01% (7th), PL: 830-3 (3rd), Survival: 93.75%

• bullet shadows implemented

v. 3.38 RoboRumble ‒ APS: 84.67% (7th), PL: 830-3 (3rd), Survival: 93.38%

• Movement challenger mode added
• enemy turn rate attributes added to common gun views

v. 3.37 RoboRumble ‒ APS: 84.61% (7th), PL: 828-5 (4th), Survival: 93.36%

• Increase desired distance from 450 to 650

v. 3.36 RoboRumble ‒ APS: 84.32% (8th), PL: 828-5 (5th), Survival: 93.18%

• revert to v3.34

v. 3.35 RoboRumble ‒ APS: 84.28% (8th), PL: 825-8 (7th), Survival: 93.08% RETIRED

• add data view to gun with high time importance and attributes: speed, acceleration, lateral dir, bearing

v. 3.34 RoboRumble ‒ APS: 84.31% (7th), PL: 825-6 (5th), Survival: 93.17%

• use kNN search for data analysis in gun

v. 3.33 RoboRumble ‒ APS: 83.34% (15th), PL: 824-7 (6th), Survival: 92.33%

• use 5 bullets per log instead of 3 in movement

v. 3.32 RoboRumble ‒ APS: 83.03% (18th), PL: 821-10 (9th), Survival: 92.15%

• update prediction for bullets on air after bullet intercepted, hitted and missed events

v. 3.31 RoboRumble ‒ APS: 82.74% (19th), PL: 823-8 (8th), Survival: 91.78%

• my distance last 10 ticks attribute added to hit logs

v. 3.30 RoboRumble ‒ APS: 82.67% (20th), PL: 815-15 (13th), Survival: 91.77%

• revert to v3.29
• fill visit logs in wave broken events
• calculate all logs bearing offsets on prediction time
• getRobotWidthRadians optimised

v. 3.29 RoboRumble ‒ APS: 81.87% (28th), PL: 817-14 (12th), Survival: 91.13% RETIRED

• bug with not use visit logs fixed
• limits for range search in movement fixed
• avoid of filtering out all entries in targeting added

v. 3.28 RETIRED

• minor optimisations
• minor refactoring
• new tree for range search

v. 3.27 RoboRumble ‒ APS: 82.51% (22nd), PL: 820-10 (9th), Survival: 91.63%

• turn snapshots by time comparing optimised
• unused sort data by distance removed
• linear all entries storing removed from PSTree
• reselect orbit direction on bullet prediction data updated
• increase future danger interval to +\- 120 degrees with step 1 degree

v. 3.26 RoboRumble ‒ APS: 82.53% (22nd), PL: 816-14 (12th), Survival: 91.66%

• antiram tweaks
• first wave danger weight increased by 50%
• logs generation fixed

v. 3.25 RoboRumble ‒ APS: 82.42% (22nd), PL: 818-11 (11th), Survival: 91.52%

• add ram avoiding (to allow turn)
• attack angle boundaries fixed (was little attack angle for escape and big for coming near)

v. 3.24 RoboRumble ‒ APS: 82.37% (23rd), PL: 816-13 (12th), Survival: 91.52%

• add uniform 0.2 danger to future bullets with fire delay more than 2 ticks
• increase min attack angle to 70 degrees
• decrease attack angle base to 30 degrees
• danger calculation changed to "not discrete"
• opponent attack angle to danger function added
• smooth walls only in orbit direction
• distance to wall threshold decresead by 22 "pixel"
• wall sitck buffer removed
• wall stick decreased to 120 "pixel"
• if wall smooth needed, then always smooth angle at least on 4 degrees
• multiply danger of prediction same as prev prediction on 0.9
• increase robot effective width to 75% for full danger and 255% for half danger
• skip bullet with travel time less than 2 tick if there another bullets
• add breaking if robot going directly to opponent
• distance to enemy removed from danger formula
• use clear distance to center in danger formula
• ramming detection fixed

v. 3.23 RoboRumble ‒ APS: 82.18% (25th), PL: 817-12 (11th), Survival: 91.54%

• bug fix in robot width radians calculation

v. 3.22 RoboRumble ‒ APS: 82.22% (25th), PL: 821-7 (6th), Survival: 91.69%

• use of enemy miss data to log selection algorithm added

v. 3.21 RoboRumble ‒ APS: 81.41% (32nd), PL: 813-14 (11th), Survival: 90.82%

• change log selection algorithm

v 3.20 RoboRumble ‒ APS: 82.06% (25th), PL: 814-12 (11th), Survival: 91.42%

• change log selection formula

v 3.19.183 RoboRumble ‒ APS: 81.82% (27th), PL: 810-16 (13th), Survival: 91.05%

• revert to version 3.17.169

v 3.18.178 RoboRumble ‒ APS: 81.7% (31st), PL: 802-24 (20th), Survival: 90.89%

• always use of my lateral speed attr in visit logs added
• removing visit logs with less than 2 attributes
• time since my dir change attr added to hits and visits log
• gun data analise optimized

v 3.17.169 RoboRumble ‒ APS: 81.92% (27th), PL: 804-21 (18th), Survival: 91.2%

• another stupid bug fix: movement data did not updated by bulletHitBullet events

v 3.16.167 RoboRumble ‒ APS: 81.36% (32nd), PL: 798-18 (15th), Survival: 90.7%

• getFuturePosition optimised
• stupid LinkedList addAll and sorting removed
• effective bearing offset interval in targeting reduced to 75%
• angle step in targeting reduced to 0.5 rad

v 3.15.155 RoboRumble ‒ APS: 81.42% (32nd), PL: 798-18 (14th), Survival: 90.86%

• sort data by time in movement data analysis added
• hypercube calculation for movement data analyses improved (use different side lengths for different dimensions)

v 3.14.153 RoboRumble ‒ APS: 80.46% (40th), PL: 778-38 (36th), Survival: 89.63%

• new movement buffers managment system - auto selecting buffers (hits and visits) and progressive visits buffer enabling
• bullets affecting area in WS increased to 155% of robot width radians

v 3.13.152 RoboRumble ‒ APS: 79.6% (45th), PL: 774-42 (38th), Survival: 88.95%

• continue of zero lateral velocity bug fix (issue #3)

v 3.12.151 RoboRumble ‒ APS: 79.52% (46th), PL: 771-44 (40th), Survival: 88.84%

• zero lateral velocity bug fix (issue #3)
• anti ram fire power selection tweak

v 3.11.146 RoboRumble ‒ APS: 78.65% (52nd), PL: 743-73 (65th), Survival: 87.44%

• default bullet power increasing reverted

v 3.10.145 RoboRumble ‒ APS: 77.69% (57th), PL: 738-77 (68th), Survival: 86.62% RETIRED

• fire selection bug fix (issue #2)
• default fire power increaded to 2.05

v 3.9.142 RoboRumble ‒ APS: 78.01% (57th), PL: 739-77 (66th), Survival: 85.33% RETIRED

• power management tweaked for more powerful bullets

v 3.8.139 RoboRumble ‒ APS: 78.95% (50th), PL: 750-66 (63rd), Survival: 87.64%

• initial release