Arakne / Araknemu

 * This file is part of Araknemu.

 *

 * Araknemu is free software: you can redistribute it and/or modify

 * it under the terms of the GNU Lesser General Public License as published by

 * the Free Software Foundation, either version 3 of the License, or

 * (at your option) any later version.

 *

 * Araknemu is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public License

 * along with Araknemu.  If not, see <https://www.gnu.org/licenses/>.

 *

 * Copyright (c) 2017-2019 Vincent Quatrevieux

 */

package fr.quatrevieux.araknemu.network.game.out.game.action;

import fr.quatrevieux.araknemu.game.exploration.interaction.action.Action;

import fr.quatrevieux.araknemu.game.exploration.interaction.action.ActionType;

import fr.quatrevieux.araknemu.game.exploration.interaction.action.BlockingAction;

import org.checkerframework.common.value.qual.MinLen;

/**

 * Response for a game action

 *

 * https://github.com/Emudofus/Dofus/blob/1.29/dofus/aks/GameActions.as#L127

 */

public final class GameActionResponse {

    /** Nul / cancel game action */

    public static final GameActionResponse NOOP = new GameActionResponse("", ActionType.NONE);

    private final String id;

    private final ActionType type;

    private final Object[] arguments;

    public GameActionResponse(String id, ActionType type, Object... arguments) {

        this.id = id;

        this.type = type;

        this.arguments = arguments;

    }

    public GameActionResponse(BlockingAction action) {

        this(Integer.toString(action.id()), action.type(), makeArguments(action.performer().id(), action.arguments()));

    }

    @Override

    public String toString() {

        final StringBuilder packet = new StringBuilder("GA" + id + ";" + type.id());

        for (Object argument : arguments) {

            packet.append(';').append(argument.toString());

        }

        return packet.toString();

    }

    @SuppressWarnings("assignment") // arguments length not resolved from switch

    private static Object[] makeArguments(int spriteId, Object[] arguments) {

            case 0:

                return new Object[] {spriteId};

            case 1:

                return new Object[] {spriteId, arguments[0]};

        }

        final Object @MinLen(2) [] newArguments = new Object[arguments.length + 1];

        newArguments[0] = spriteId;

        System.arraycopy(arguments, 0, newArguments, 1, arguments.length);

        return newArguments;

    }

}