156 lines
4.2 KiB
Java
156 lines
4.2 KiB
Java
/*
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* This file is part of BlueMap, licensed under the MIT License (MIT).
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*
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* Copyright (c) Blue (Lukas Rieger) <https://bluecolored.de>
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* Copyright (c) contributors
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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package de.bluecolored.bluemap.core.resourcepack;
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import de.bluecolored.bluemap.core.util.Preconditions;
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import de.bluecolored.bluemap.core.world.BlockState;
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@FunctionalInterface
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public interface PropertyCondition {
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PropertyCondition MATCH_ALL = new All();
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PropertyCondition MATCH_NONE = new None();
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boolean matches(BlockState state);
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class Property implements PropertyCondition {
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private final String key;
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private final String value;
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private Property (String key, String value) {
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this.key = key.toLowerCase();
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this.value = value.toLowerCase();
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}
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@Override
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public boolean matches(BlockState state) {
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String value = state.getProperties().get(this.key);
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if (value == null) return false;
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return value.equals(this.value);
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}
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}
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class And implements PropertyCondition {
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private final PropertyCondition[] conditions;
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private And (PropertyCondition... conditions) {
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Preconditions.checkArgument(conditions.length > 0, "Must be at least one condition!");
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this.conditions = conditions;
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}
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@Override
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public boolean matches(BlockState state) {
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for (PropertyCondition condition : conditions) {
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if (!condition.matches(state)) return false;
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}
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return true;
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}
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}
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class Or implements PropertyCondition {
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private final PropertyCondition[] conditions;
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private Or (PropertyCondition... conditions) {
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Preconditions.checkArgument(conditions.length > 0, "Must be at least one condition!");
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this.conditions = conditions;
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}
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@Override
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public boolean matches(BlockState state) {
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for (PropertyCondition condition : conditions) {
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if (condition.matches(state)) return true;
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}
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return false;
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}
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}
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class All implements PropertyCondition {
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@Override
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public boolean matches(BlockState state) {
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return true;
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}
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}
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class None implements PropertyCondition {
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@Override
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public boolean matches(BlockState state) {
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return false;
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}
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}
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static PropertyCondition all() {
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return MATCH_ALL;
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}
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static PropertyCondition none() {
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return MATCH_NONE;
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}
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static PropertyCondition and(PropertyCondition... conditions) {
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Preconditions.checkArgument(conditions.length > 0, "Must be at least one condition!");
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return new And(conditions);
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}
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static PropertyCondition or(PropertyCondition... conditions) {
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Preconditions.checkArgument(conditions.length > 0, "Must be at least one condition!");
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return new Or(conditions);
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}
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static PropertyCondition property(String key, String value) {
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return new Property(key, value);
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}
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static PropertyCondition property(String key, String... possibleValues) {
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Preconditions.checkArgument(possibleValues.length > 0, "Must be at least one value!");
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if (possibleValues.length == 1) {
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return property(key, possibleValues[0]);
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}
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PropertyCondition[] conditions = new PropertyCondition[possibleValues.length];
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for (int i = 0; i < possibleValues.length; i++) {
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conditions[i] = property(key, possibleValues[i]);
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}
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return or(conditions);
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}
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}
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