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robocode-kotlin

This project provides an implementation of a Robocode robot in Kotlin and some tooling around it.

Get Started

Edit the gradle.properties and change the robocodeHome path to your local Robocode directory.

You also need to change the path to your Robocode directory in the KotoRoboTest.kt file.

To see the robot in action simply run:

./gradlew startRobocode

Build

This project uses gradle as a build tool and provides some extra convenience tasks. Most of the paths and stuff are configurable in the gradle.properties

roboJar

Builds a Robocode compatible jar file which contains the KotoRobo class and the KotoRobo.properties file.

Does not compute the codesize though.

registerRobo

Copies the built jar file into the specified Robocode directory.

generateBattleFile

Uses the template \config\battles\testBattle.battle, replaces the selectedRobots with the configured robots and copies the file into the Robocode directory.

cleanUp

This task is executed after each gradle clean and deletes the generated robot jar and battle files from the Robocode directory.

startRobocode

Executes every task mentioned above and starts the real Robocode battle using the generated testBattle.battle. Lay back and watch your robot fight.

Test

The RobocodeTestEngine.kt class configures the Robocode engine for usage in automated tests. It registers the robots under development and provides a simple way to start a battle and evaluate the TestBattleResult.kt

Example:

val testEngine = RobocodeTestEngine("YOUR_ROBOCODE_HOME")

val result = testEngine.startBattle("MyRobotUnderTest", "sample.SittingDuck")

assertThat(result.winnerName).isEqualTo("MyRobotUnderTest")
assertThat(result.roboUnderTestStatistics.accuracy()).isEqualTo(100)
assertThat(result.roboUnderTestResult.firsts).isEqualTo(result.battleSpec.numRounds).`as` { "roboUnderTest should win every round" }

Robot

Targeting

The robot can use HEAD-ON and LINEAR targeting and chooses the most successful one for each target.

It tracks every of its bullets and stores the accuracy data between rounds

Movement

It moves in a combination of risk-based and anti-gravity movement, where it always tries to move away from its current position while keeping a 90° angle to opponents.

Energy management

Not much so far. It just stops firing if its energy is 1 or less.

Credits

This project is inspired by these awesome robocode projects: