Talon/source
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package cs;
import robocode.util.Utils;
import robocode.*;
/**
* Talon - a robot by Chase
* Nano Melee bot
*
* The idea is to avoid driving toward enemy robots,
* nearer ones are more dangerous to drive towards
*/
public final class Talon extends AdvancedRobot {
private static double[][] map = new double[10][3];
private static int n = 0;
public void run() {
double angle, nearestDistance, bestDanger, danger, md;
//Some nice red colors, cause were Talon... y
setAllColors(java.awt.Color.red);
setAdjustGunForRobotTurn(true);
while(true) {
angle = 360;
nearestDistance = bestDanger = 2000;
while(--angle > 0) {
int t = getOthers();
danger = 0;
try {
while(true) {
//our most recent scans, unfortunately not enough room to project them
double[] v = map[--t];
//md here gets set to the enemies distance
if((md = v[0]) < nearestDistance) {
//nearestDistance is our nearest enemy distance
nearestDistance = md;
//set our gun to face this nearest enemy
setTurnGunRight(Utils.normalRelativeAngleDegrees(v[1] - getGunHeading()));
}
//the difference between current angle we are considering and the enemy
//multiply it by how close they are, closer is more dangerous to move towards
danger += 1.0/(Math.abs(Utils.normalRelativeAngleDegrees(angle-v[1]))+1) * (800.0/md);
}
} catch(Exception e) {
//We don't have room for any kind of sanity checks, also the only way to get out of the loop without
//having to have a comparison, saves us some code size
}
if(danger < bestDanger) {
bestDanger = danger;
setTurnRight(Utils.normalRelativeAngleDegrees(angle - getHeading()));
setAhead(nearestDistance);
}
}
setFire(nearestDistance);
//Turning it by only 1 saves us some code size but in radians this value > PI/4 the maximum
//turn the radar can turn, meaning it will cover the full arc as long as we call it every turn.
turnRadarRightRadians(1);
}
}
public void onScannedRobot(ScannedRobotEvent e) {
try {
//Set the most recent scan into our map of enemies
map[--n] = new double[]{e.getDistance(),getHeading() + e.getBearing()};
} catch(Exception ex) {
//attempted to scan but it failed, set the number of enemies again
//we miss a enemy scan but we gain some code size here
n = getOthers();
}
}
}