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Simplified and generalized checkBarriers()

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This commit is contained in:
Illia Soloviov 2024-01-08 02:55:27 +01:00
parent 6c28d6e358
commit d4b29340bc
1 changed files with 68 additions and 31 deletions
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99
src/SuperSnakeBot.java
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@ -1,10 +1,9 @@
public class SuperSnakeBot extends Bot{
private String moves = "";
private char previousTurn = '<';
boolean frontIsBlocked;
boolean leftIsBlocked;
boolean rightIsBlocked;
boolean frontIsBlocked, leftIsBlocked, rightIsBlocked;
private int spiralNumber = 0;
private char spiralDirection = '>';
private boolean goesForward = true;
public static void main(String[] args) {
Bot superSnakeBot = new SuperSnakeBot(args);
@ -27,11 +26,13 @@ public class SuperSnakeBot extends Bot{
return nextMove;
}
private void checkBarriers(View view){
private void checkBarriers(View view) {
int centerCoordinates = view.width / 2;
int centerIndex = getCharIndexFromCoordinates(view.width, centerCoordinates, centerCoordinates);
int frontIndex = getCharIndexFromCoordinates(view.width, centerCoordinates, centerCoordinates - 1);
int leftIndex = getCharIndexFromCoordinates(view.width, centerCoordinates - 1 , centerCoordinates);
int rightIndex = getCharIndexFromCoordinates(view.width, centerCoordinates + 1, centerCoordinates);
int leftIndex = centerIndex - 1;
int rightIndex = centerIndex + 1;
frontIsBlocked = view.data.charAt(frontIndex) == '*';
leftIsBlocked = view.data.charAt(leftIndex) == '*';
@ -40,7 +41,7 @@ public class SuperSnakeBot extends Bot{
private char checkMove(char move) throws Exception {
if(move == '^' && frontIsBlocked){
resetMoves();
resetMovesSequence();
if(leftIsBlocked) move = '>';
else if(rightIsBlocked) move = '<';
@ -51,7 +52,7 @@ public class SuperSnakeBot extends Bot{
return move;
}
private void saveMove(char move){
private void saveMove(char move) {
if(move == '<' || move == '>'){
previousTurn = move;
}
@ -60,7 +61,7 @@ public class SuperSnakeBot extends Bot{
private char walkBySpiral(View view) {
if (moves.isEmpty()) {
spiralNumber++;
moves += "^".repeat(view.width * spiralNumber) + ">" + "^".repeat(view.width * spiralNumber) + ">";
moves += "^".repeat(view.width * spiralNumber) + spiralDirection + "^".repeat(view.width * spiralNumber) + spiralDirection;
}
char nextMove = moves.charAt(0);
moves = moves.substring(1);
@ -69,7 +70,9 @@ public class SuperSnakeBot extends Bot{
private char walkByColumns(View view) {
if(moves.isEmpty()){
moves = "^".repeat(28);
int steps = 32 - view.width;
moves = "^".repeat(steps);
moves += (goesForward ? ">" + "^".repeat(view.width) + ">" : "<" + "^".repeat(view.width) + "<");
goesForward = !goesForward;
}
@ -79,37 +82,71 @@ public class SuperSnakeBot extends Bot{
}
private char goToStone(View view) {
resetMoves();
resetMovesSequence();
int centerCoordinates = view.width / 2;
int[] frontIndexes = getFrontIndexes(view);
int[] leftIndexes = getLeftIndexes(view);
int[] rightIndexes = getRightIndexes(view);
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 '^';
for (int index : frontIndexes) {
if (view.data.charAt(index) == '@') return '^';
}
for (int index : leftIndexes) {
if (view.data.charAt(index) == '@') return '<';
}
for (int index : rightIndexes) {
if (view.data.charAt(index) == '@') return '>';
}
return '^';
}
private int getCharIndexFromCoordinates(int width, int x, int y){
private int[] getLeftIndexes(View view) {
int center = view.width / 2;
int[] leftIndexes = new int[center];
int index = 0;
for (int col = 0; col < center; col++) {
leftIndexes[index++] = getCharIndexFromCoordinates(view.width, col, center);
}
return leftIndexes;
}
private int[] getRightIndexes(View view) {
int center = view.width / 2;
int[] rightIndexes = new int[center];
int index = 0;
for (int col = center + 1; col < view.width; col++) {
rightIndexes[index++] = getCharIndexFromCoordinates(view.width, col, center);
}
return rightIndexes;
}
private int[] getFrontIndexes(View view) {
int center = view.width / 2;
int[] frontIndexes = new int[center];
int index = 0;
for (int row = 0; row < center; row++) {
frontIndexes[index++] = getCharIndexFromCoordinates(view.width, center, row);
}
return frontIndexes;
}
private int getCharIndexFromCoordinates(int width, int x, int y) {
return width * y + x;
}
private void resetMoves() {
private void resetMovesSequence() {
moves = "";
spiralNumber = 0;
spiralDirection = (spiralDirection == '>') ? '<' : '>';
goesForward = true;
}
}