101 lines
4.6 KiB
Java
101 lines
4.6 KiB
Java
/*
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* This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion
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* Copyright (C) 2016-2024 ViaVersion and contributors
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU 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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* This program 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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package com.viaversion.viaversion.protocols.protocol1_13to1_12_2.blockconnections;
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import com.viaversion.viaversion.api.connection.UserConnection;
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import com.viaversion.viaversion.api.minecraft.BlockFace;
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import com.viaversion.viaversion.api.minecraft.Position;
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import com.viaversion.viaversion.api.protocol.version.ProtocolVersion;
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import it.unimi.dsi.fastutil.ints.IntOpenHashSet;
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import it.unimi.dsi.fastutil.ints.IntSet;
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import java.util.Arrays;
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public abstract class AbstractFenceConnectionHandler extends ConnectionHandler {
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private static final StairConnectionHandler STAIR_CONNECTION_HANDLER = new StairConnectionHandler();
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private final IntSet blockStates = new IntOpenHashSet();
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private final int[] connectedBlockStates = new int[statesSize()];
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private final int blockConnectionsTypeId;
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protected AbstractFenceConnectionHandler(String blockConnections) {
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this.blockConnectionsTypeId = blockConnections != null ? BlockData.connectionTypeId(blockConnections) : -1;
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Arrays.fill(connectedBlockStates, -1);
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}
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ConnectionData.ConnectorInitAction getInitAction(final String key) {
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final AbstractFenceConnectionHandler handler = this;
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return blockData -> {
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if (key.equals(blockData.getMinecraftKey())) {
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if (blockData.hasData("waterlogged") && blockData.getValue("waterlogged").equals("true")) {
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return;
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}
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blockStates.add(blockData.getSavedBlockStateId());
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ConnectionData.connectionHandlerMap.put(blockData.getSavedBlockStateId(), handler);
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byte internalStateId = getStates(blockData);
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connectedBlockStates[internalStateId] = blockData.getSavedBlockStateId();
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}
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};
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}
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protected byte getStates(WrappedBlockData blockData) {
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byte states = 0;
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if (blockData.getValue("east").equals("true")) states |= 1;
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if (blockData.getValue("north").equals("true")) states |= 2;
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if (blockData.getValue("south").equals("true")) states |= 4;
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if (blockData.getValue("west").equals("true")) states |= 8;
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return states;
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}
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protected byte getStates(UserConnection user, Position position, int blockState) {
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byte states = 0;
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boolean pre1_12 = user.getProtocolInfo().getServerProtocolVersion() < ProtocolVersion.v1_12.getVersion();
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if (connects(BlockFace.EAST, getBlockData(user, position.getRelative(BlockFace.EAST)), pre1_12)) states |= 1;
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if (connects(BlockFace.NORTH, getBlockData(user, position.getRelative(BlockFace.NORTH)), pre1_12)) states |= 2;
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if (connects(BlockFace.SOUTH, getBlockData(user, position.getRelative(BlockFace.SOUTH)), pre1_12)) states |= 4;
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if (connects(BlockFace.WEST, getBlockData(user, position.getRelative(BlockFace.WEST)), pre1_12)) states |= 8;
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return states;
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}
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protected byte statesSize() {
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return 16;
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}
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@Override
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public int getBlockData(UserConnection user, Position position) {
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return STAIR_CONNECTION_HANDLER.connect(user, position, super.getBlockData(user, position));
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}
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@Override
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public int connect(UserConnection user, Position position, int blockState) {
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final int newBlockState = connectedBlockStates[getStates(user, position, blockState)];
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return newBlockState == -1 ? blockState : newBlockState;
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}
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protected boolean connects(BlockFace side, int blockState, boolean pre1_12) {
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if (blockStates.contains(blockState)) return true;
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if (blockConnectionsTypeId == -1) return false;
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BlockData blockData = ConnectionData.blockConnectionData.get(blockState);
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return blockData != null && blockData.connectsTo(blockConnectionsTypeId, side.opposite(), pre1_12);
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}
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public IntSet getBlockStates() {
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return blockStates;
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}
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}
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