source: src/main/java/agents/anac/y2017/tangxun/taxibox.java

package agents.anac.y2017.tangxun;

import java.util.List;

import java.util.ArrayList;

import genius.core.AgentID;
import genius.core.Bid;
import genius.core.actions.Accept;
import genius.core.actions.Action;
import genius.core.actions.Offer;
import genius.core.parties.AbstractNegotiationParty;
import genius.core.parties.NegotiationInfo;

/**
 * This is your negotiation party.
 */
public class taxibox extends AbstractNegotiationParty {
        private double emax, target, shiwang, taxi, target1, target2, A, wangu1, B,
                        avg, P, Z, Y, M, C, zishen, yingxiang, target3, x, wangu;
        private Bid lastReceivedBid = null;

        @Override
        public void init(NegotiationInfo info) {
                double t = info.getTimeline().getTime();
                super.init(info);

                List<Double> arr = new ArrayList<Double>();// 收集对手提案在我方的效用值
                for (int i = 0; i <= 1000; i++) {
                        if (i < 1) {
                                B = 0.1;
                        } else

                                arr.add(B);
                        if (i > 0) {
                                P = arr.get(i - 1);
                        }
                        System.out.println(B);
                }
                double sum = 0;

                for (int i = 0; i < arr.size(); i++) {
                        sum = sum + arr.get(i);

                        avg = sum / arr.size();// 对手提案在我方的效用值的平均值
                        if (i > 0) {
                                A = avg;
                        }

                }
                wangu = B - P;
                wangu1 = Math.abs(B - P);

                emax = A + (1 - A) * wangu1;
                target = 1 - (1 - emax) * Math.pow(t, 3);
                // 例：時間依存の線形な譲歩関数

                shiwang = target - B;
                target1 = 1 - (1 - emax) * Math.pow(t, (2.7 + shiwang - t));

                System.out.println(target1);

                getUtilitySpace().getDomain().getIssues().size();

                // if you need to initialize some variables, please initialize them
                // below

        }

        /**
         * Each round this method gets called and ask you to accept or offer. The
         * first party in the first round is a bit different, it can only propose an
         * offer.
         *
         * @param validActions
         *            Either a list containing both accept and offer or only offer.
         * @return The chosen action.
         */

        @Override
        public Action chooseAction(List<Class<? extends Action>> validActions) {
                double t = timeline.getTime();
                List<Double> arr = new ArrayList<Double>();// 收集对手提案在我方的效用值
                for (int i = 0; i <= 1000; i++) {
                        if (i < 1) {
                                B = 0.1;
                        } else

                                arr.add(B);
                        if (i > 0) {
                                P = arr.get(i - 1);
                        }
                        System.out.println(B);
                }
                double sum = 0;

                for (int i = 0; i < arr.size(); i++) {
                        sum = sum + arr.get(i);

                        avg = sum / arr.size();// 对手提案在我方的效用值的平均值
                        if (i > 0) {
                                A = avg;
                        }

                }
                wangu = B - P;
                wangu1 = Math.abs(B - P);

                emax = A + (1 - A) * wangu1;
                target = 1 - (1 - emax) * Math.pow(t, 3);
                // 例：時間依存の線形な譲歩関数

                shiwang = target - B;
                target1 = 1
                                - (1 - emax) * Math.pow(0.8 * t, (3 + 2 * shiwang - 0.8 * t));

                System.out.println(target1);

                // with 50% chance, counter offer
                // if we are the first party, also offer.

                if (getUtility(lastReceivedBid) >= target1
                                && validActions.contains(Accept.class)) {
                        return new Accept(getPartyId(), lastReceivedBid);
                }
                Bid newBid = generateRandomBid();
                int i = 999;

                while (i > 0 || lastReceivedBid != null || lastReceivedBid == null) {
                        newBid = generateRandomBid();

                        if (getUtility(newBid) >= target1)
                                break;

                        i--;

                }
                return new Offer(getPartyId(), newBid);
        }

        /**
         * All offers proposed by the other parties will be received as a message.
         * You can use this information to your advantage, for example to predict
         * their utility.
         *
         * @param sender
         *            The party that did the action. Can be null.
         * @param action
         *            The action that party did.
         */
        @Override
        public void receiveMessage(AgentID sender, Action action) {
                super.receiveMessage(sender, action);
                if (action instanceof Offer) {
                        lastReceivedBid = ((Offer) action).getBid();
                }
        }

        @Override
        public String getDescription() {
                return "ANAC2017";
        }

}