Solution for https://www.codingame.com/contests/coders-of-the-caribbean

It's a solution itself

• Entities - all supported entities
• Geometry - implementation of hexagonal coords (see http://www.redblobgames.com/grids/hexagons/), positions of ships on the map and it's transformations. FastCoord and FastShipPosition are bitmasks that use precalculated tables of distances and transformations
• Navigation - finding best paths to required targets
• Prediction - builds forecasts for next turns - damage maps, ship positions, enemies that can fire or drop mines etc. Used in many other solution parts, such as Navigation, FireTeam, etc
• FireTeam - cannoneers and miners
• State - turn state and game state
• Strategy - most important part of solution - strategies for playing 1 vs 1, 2 vs 2 and 3 vs 3

• Strategy1vs1. When there are some barrels, it predicts the enemy path over them and tries to collect barrels before the enemy collects'em, and shots barrels if it can not collect'em before the enemy does. When there are no more barrels, it runs away (yes, independently of the current level of rum - such feature as chasing the enemy was not implemented :( )
• Strategy2vs2 is pretty the same as Strategy1vs1, but with some improvement: if skippers see that they are loosing the game, one of them makes harakiri, giving the other some rum.
• Strategy3vs3 - each skipper collects barrels with a greedy algorithm. When there is no more barrels - strategy is the same as Strategy2vs2 - to make harakiri if needed

Project for experiments. Entry point for replaying game turns from dumps