NS_Serg CodeHockey ver.4

import model.*;

import static java.lang.StrictMath.*;
import static java.lang.StrictMath.abs;
import static java.lang.StrictMath.hypot;

public final class MyStrategy implements Strategy {

    @Override
    public void move(Hockeyist self, World world, Game game, Move move) {

        // Если вдруг в замахе, то ударим
        if (self.getState() == HockeyistState.SWINGING) {
            move.setAction(ActionType.STRIKE);
            return;
        }
        double angleToNet;

        // Если шайба у соперника, то бежим за шайбой, и бьем по шайбе и владельцу (но не по своим игрокам)
        if (world.getPuck().getOwnerPlayerId() != -1)
            if (world.getPuck().getOwnerPlayerId() != self.getPlayerId()) {
                double dx = 0;
                double dy = 0;
                for (Hockeyist hockeyist : world.getHockeyists()) {
                    if (hockeyist.isTeammate()) continue;
                    if (hockeyist.getType() == HockeyistType.GOALIE
                            || hockeyist.getState() == HockeyistState.KNOCKED_DOWN
                            || hockeyist.getState() == HockeyistState.RESTING) continue;
                    if (hockeyist.getId() == world.getPuck().getOwnerHockeyistId()) {
                        dx = hockeyist.getSpeedX();
                        dy = hockeyist.getSpeedY();
                    }
                    if (isStick(hockeyist.getX(), hockeyist.getY(), self, game)) move.setAction(ActionType.STRIKE);
                }
                GotoTo(world.getPuck().getX(), world.getPuck().getY(), dx, dy, self, move);
                if (isStick(world.getPuck().getX(), world.getPuck().getY(), self, game))
                    move.setAction(ActionType.STRIKE);
                for (Hockeyist hockeyist : world.getHockeyists()) {
                    if (hockeyist.isTeammate()) {
                        if (hockeyist.getType() == HockeyistType.GOALIE
                                || hockeyist.getState() == HockeyistState.KNOCKED_DOWN
                                || hockeyist.getState() == HockeyistState.RESTING) continue;
                        if (hockeyist.getId() == self.getId()) continue;
                        if (isStick(hockeyist.getX(), hockeyist.getY(), self, game))
                            move.setAction(ActionType.TAKE_PUCK);
                    }
                }
                return;
            }

        // Если шайба ничья, то подбираем шайбу
        if (world.getPuck().getOwnerPlayerId() == -1) {
            GotoTo(world.getPuck().getX(), world.getPuck().getY(), world.getPuck().getSpeedX(), world.getPuck().getSpeedY(), self, move);
            move.setAction(ActionType.TAKE_PUCK);
            return;
        }

        // Если шайба наша, но не у этого игрока, то бежим за ближайшим живым соперникам, и бьем по всем живым
        if (world.getPuck().getOwnerPlayerId() == self.getPlayerId())
            if (world.getPuck().getOwnerHockeyistId() != self.getId()) {
                Hockeyist nearestOpponent = getNearestOpponent(self.getX(), self.getY(), world);
                if (nearestOpponent != null)
                    GotoTo(nearestOpponent.getX(), nearestOpponent.getY(), nearestOpponent.getSpeedX(), nearestOpponent.getSpeedY(), self, move);
                else
                    GotoTo(world.getPuck().getX(), world.getPuck().getY(), 0, 0, self, move);
                for (Hockeyist hockeyist : world.getHockeyists()) {
                    if (hockeyist.isTeammate() || hockeyist.getType() == HockeyistType.GOALIE
                            || hockeyist.getState() == HockeyistState.KNOCKED_DOWN
                            || hockeyist.getState() == HockeyistState.RESTING)
                        continue;
                    if (isStick(hockeyist.getX(), hockeyist.getY(), self, game)) move.setAction(ActionType.STRIKE);
                }
                for (Hockeyist hockeyist : world.getHockeyists()) {
                    if (hockeyist.isTeammate()) {
                        if (hockeyist.getType() == HockeyistType.GOALIE
                                || hockeyist.getState() == HockeyistState.KNOCKED_DOWN
                                || hockeyist.getState() == HockeyistState.RESTING) continue;
                        if (hockeyist.getId() == self.getId()) continue;
                        if (isStick(hockeyist.getX(), hockeyist.getY(), self, game)) move.setAction(ActionType.NONE);
                    }
                }
                if (isStick(world.getPuck().getX(), world.getPuck().getY(), self, game))
                    move.setAction(ActionType.NONE);
                return;
            }
        // игрок с шайбой
        if (world.getPuck().getOwnerPlayerId() == self.getPlayerId()) {
            if (world.getPuck().getOwnerHockeyistId() == self.getId()) {
                Player opponentPlayer = world.getOpponentPlayer();
                double netX = 0.5D * (opponentPlayer.getNetBack() + opponentPlayer.getNetFront());
                double netY = 0.5D * (opponentPlayer.getNetBottom() + opponentPlayer.getNetTop());
                // netY += (self.getY() < netY ? 0.5D : -0.5D) * game.getGoalNetHeight();
                // найдем вратаря
                boolean isv = false;
                for (Hockeyist hockeyist : world.getHockeyists()) {
                    if (hockeyist.isTeammate() || hockeyist.getType() != HockeyistType.GOALIE || hockeyist.getState() != HockeyistState.ACTIVE) {
                        continue;
                    }
                    isv = true;
                    netY += (self.getY() < netY ? -0.6D : 0.6D) * game.getGoalNetHeight();
                    netX += (self.getX() < netX ? -1.5D : 1.5D) * game.getGoalNetHeight();
                    GotoTo(netX, netY, 0, 0, self, move);
                }
                if ((hypot(self.getY() - netY, self.getX() - netX) < 60) && (isv)) {
                    netX = 0.5D * (opponentPlayer.getNetBack() + opponentPlayer.getNetFront());
                    netY = 0.5D * (opponentPlayer.getNetBottom() + opponentPlayer.getNetTop());
                    netY += (self.getY() < netY ? 0.5D : -0.5D) * game.getGoalNetHeight();
                    netX += (self.getX() - world.getPuck().getX());
                    netY += (self.getY() - world.getPuck().getY());
                    angleToNet = self.getAngleTo(netX, netY);
                    move.setTurn(angleToNet < 0 ? -1.0D : 1.0D);
                    if (abs(angleToNet) < 0.5D * game.getPassSector()) {
                        move.setPassPower(1.0D);
                        move.setPassAngle(angleToNet);
                        move.setAction(ActionType.PASS);
                    }
                }

                if (isv == false) {
                    netX = 0.5D * (opponentPlayer.getNetBack() + opponentPlayer.getNetFront());
                    netY = 0.5D * (opponentPlayer.getNetBottom() + opponentPlayer.getNetTop());
                    GotoTo(netX, netY, 0, 0, self, move);
                    netX += (self.getX() - world.getPuck().getX());
                    netY += (self.getY() - world.getPuck().getY());
                    angleToNet = self.getAngleTo(netX, netY);
                    if (abs(angleToNet) < game.getPassSector()) {
                        move.setPassPower(1.0D);
                        move.setPassAngle(angleToNet);
                        move.setAction(ActionType.PASS);
                    }
                }
            }
        }

    }

    private static void GotoTo(double x1, double y1, double dx, double dy, Hockeyist self, Move move) {
        double x;
        double y;
        x = x1 + dx * min(self.getDistanceTo(x1, y1) / 15, 30);
        y = y1 + dy * min(self.getDistanceTo(x1, y1) / 15, 30);
        x = x1 + dx * min(self.getDistanceTo(x, y) / 15, 30);
        y = y1 + dy * min(self.getDistanceTo(x, y) / 15, 30);
        double angleToNet = self.getAngleTo(x, y);
        if (angleToNet > PI) angleToNet -= 2 * PI;
        if (angleToNet < -PI) angleToNet += 2 * PI;
        if (abs(angleToNet) < PI / 4) {
            move.setSpeedUp(1.0D);
        } else {
            if (abs(angleToNet) > -PI / 4) { // ну я и косячник :) Пускай так и остается.
                move.setSpeedUp(-1.0D);
            } else {
                move.setSpeedUp(0.0D);
            }
        }
        move.setTurn(angleToNet);
    }

    private static boolean isStick(double x, double y, Hockeyist self, Game game) {
        double angleToNet = self.getAngleTo(x, y);
        if (angleToNet > PI) angleToNet -= 2 * PI;
        if (angleToNet < -PI) angleToNet += 2 * PI;
        return ((abs(angleToNet) < 0.5D * game.getStickSector()) && (self.getDistanceTo(x, y) < game.getStickLength()));
    }

    private static Hockeyist getNearestOpponent(double x, double y, World world) {
        Hockeyist nearestOpponent = null;
        double nearestOpponentRange = 0.0D;

        for (Hockeyist hockeyist : world.getHockeyists()) {
            if (hockeyist.isTeammate() || hockeyist.getType() == HockeyistType.GOALIE
                    || hockeyist.getState() == HockeyistState.KNOCKED_DOWN
                    || hockeyist.getState() == HockeyistState.RESTING) {
                continue;
            }

            double opponentRange = hypot(x - hockeyist.getX(), y - hockeyist.getY());

            if (nearestOpponent == null || opponentRange < nearestOpponentRange) {
                nearestOpponent = hockeyist;
                nearestOpponentRange = opponentRange;
            }
        }

        return nearestOpponent;
    }
}