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/* |
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* This file is part of Araknemu. |
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* |
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* Araknemu is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Lesser General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* Araknemu is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public License |
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* along with Araknemu. If not, see <https://www.gnu.org/licenses/>. |
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* |
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* Copyright (c) 2017-2019 Vincent Quatrevieux |
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*/ |
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package fr.quatrevieux.araknemu.data.value; |
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import org.checkerframework.checker.index.qual.NonNegative; |
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import org.checkerframework.checker.nullness.qual.Nullable; |
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import org.checkerframework.checker.signedness.qual.Signed; |
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import org.checkerframework.dataflow.qual.Pure; |
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/** |
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* Position object into the world |
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*/ |
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public final class Position { |
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private final @NonNegative int map; |
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private final @NonNegative int cell; |
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1 |
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public Position(@NonNegative int map, @NonNegative int cell) { |
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1 |
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this.map = map; |
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1 |
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this.cell = cell; |
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1 |
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} |
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@Pure |
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public @NonNegative int map() { |
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1 |
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return map; |
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} |
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@Pure |
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public @NonNegative int cell() { |
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1 |
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return cell; |
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} |
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@Pure |
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public boolean isNull() { |
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1 |
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return map == 0 && cell == 0; |
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} |
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/** |
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* Change the cell position |
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*/ |
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public Position newCell(@NonNegative int cell) { |
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1 |
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return new Position(map, cell); |
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} |
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@Override |
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public boolean equals(@Nullable Object o) { |
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return |
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this == o |
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1 |
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|| (o instanceof Position && equals((Position) o)) |
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; |
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} |
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public boolean equals(@Nullable Position other) { |
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1 |
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return other != null && other.cell == cell && other.map == map; |
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} |
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@Override |
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public int hashCode() { |
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1 |
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@Signed int result = map; |
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1 |
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result = 31 * result + cell; |
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1 |
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return result; |
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} |
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@Override |
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public String toString() { |
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1 |
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return "(" + map + ", " + cell + ")"; |
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} |
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} |
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Arakne /
Araknemu
