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Added SuperSnakeBot.java with arg score 30/32

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Illia Soloviov 2024-01-08 02:03:58 +01:00
parent 7413a48b58
commit bd4de54fa7
1 changed files with 115 additions and 0 deletions
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src/SuperSnakeBot.java Normal file
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@ -0,0 +1,115 @@
public class SuperSnakeBot extends Bot{
private String moves = "";
private char previousTurn = '<';
boolean frontIsBlocked;
boolean leftIsBlocked;
boolean rightIsBlocked;
private int spiralNumber = 0;
private boolean goesForward = true;
public static void main(String[] args) {
Bot superSnakeBot = new SuperSnakeBot(args);
superSnakeBot.run();
}
protected SuperSnakeBot(String[] args) {
super(args);
}
protected char nextMove(View view) throws Exception {
boolean stoneDetected = view.data.contains("@");
char nextMove;
nextMove = stoneDetected ? goToStone(view) : walkByColumns(view);
checkBarriers(view);
nextMove = checkMove(nextMove);
saveMove(nextMove);
return nextMove;
}
private void checkBarriers(View view){
int centerCoordinates = view.width / 2;
int frontIndex = getCharIndexFromCoordinates(view.width, centerCoordinates, centerCoordinates - 1);
int leftIndex = getCharIndexFromCoordinates(view.width, centerCoordinates - 1 , centerCoordinates);
int rightIndex = getCharIndexFromCoordinates(view.width, centerCoordinates + 1, centerCoordinates);
frontIsBlocked = view.data.charAt(frontIndex) == '*';
leftIsBlocked = view.data.charAt(leftIndex) == '*';
rightIsBlocked = view.data.charAt(rightIndex) == '*';
}
private char checkMove(char move) throws Exception {
if(move == '^' && frontIsBlocked){
resetMoves();
if(leftIsBlocked) move = '>';
else if(rightIsBlocked) move = '<';
else if(previousTurn == '<') move = '>';
else if(previousTurn == '>') move = '<';
else throw new Exception();
}
return move;
}
private void saveMove(char move){
if(move == '<' || move == '>'){
previousTurn = move;
}
}
private char walkBySpiral(View view) {
if (moves.isEmpty()) {
spiralNumber++;
moves += "^".repeat(view.width * spiralNumber) + ">" + "^".repeat(view.width * spiralNumber) + ">";
}
char nextMove = moves.charAt(0);
moves = moves.substring(1);
return nextMove;
}
private char walkByColumns(View view) {
if(moves.isEmpty()){
moves = "^".repeat(28);
moves += (goesForward ? ">" + "^".repeat(view.width) + ">" : "<" + "^".repeat(view.width) + "<");
goesForward = !goesForward;
}
char nextMove = moves.charAt(0);
moves = moves.substring(1);
return nextMove;
}
private char goToStone(View view) {
resetMoves();
int centerCoordinates = view.width / 2;
int leftIndex = getCharIndexFromCoordinates(view.width, centerCoordinates - 1, centerCoordinates);
int farLeftIndex = getCharIndexFromCoordinates(view.width, centerCoordinates - 2, centerCoordinates);
int rightIndex = getCharIndexFromCoordinates(view.width, centerCoordinates + 1, centerCoordinates);
int farRightIndex = getCharIndexFromCoordinates(view.width, centerCoordinates + 2, centerCoordinates);
int frontIndex = getCharIndexFromCoordinates(view.width, centerCoordinates, centerCoordinates - 1);
int farFrontIndex = getCharIndexFromCoordinates(view.width, centerCoordinates, centerCoordinates - 2);
if(view.data.charAt(frontIndex) == '@' || view.data.charAt(farFrontIndex) == '@'){
return '^';
}else if(view.data.charAt(leftIndex) == '@' || view.data.charAt(farLeftIndex) == '@'){
return '<';
}else if(view.data.charAt(rightIndex) == '@' || view.data.charAt(farRightIndex) == '@'){
return '>';
}else {
return '^';
}
}
private int getCharIndexFromCoordinates(int width, int x, int y){
return width * y + x;
}
private void resetMoves() {
moves = "";
spiralNumber = 0;
goesForward = true;
}
}