81 lines
3.2 KiB
Java
81 lines
3.2 KiB
Java
/*
|
|
* This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion
|
|
* Copyright (C) 2016-2021 ViaVersion and contributors
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program 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 General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
package com.viaversion.viaversion.protocols.protocol1_13to1_12_2.blockconnections;
|
|
|
|
import com.viaversion.viaversion.api.connection.UserConnection;
|
|
import com.viaversion.viaversion.api.minecraft.BlockFace;
|
|
import com.viaversion.viaversion.api.minecraft.Position;
|
|
|
|
import java.util.ArrayList;
|
|
import java.util.List;
|
|
|
|
public class WallConnectionHandler extends AbstractFenceConnectionHandler {
|
|
private static final BlockFace[] BLOCK_FACES = {BlockFace.EAST, BlockFace.NORTH, BlockFace.SOUTH, BlockFace.WEST};
|
|
private static final int[] OPPOSITES = {3, 2, 1, 0};
|
|
|
|
static List<ConnectionData.ConnectorInitAction> init() {
|
|
List<ConnectionData.ConnectorInitAction> actions = new ArrayList<>(2);
|
|
actions.add(new WallConnectionHandler("cobbleWallConnections").getInitAction("minecraft:cobblestone_wall"));
|
|
actions.add(new WallConnectionHandler("cobbleWallConnections").getInitAction("minecraft:mossy_cobblestone_wall"));
|
|
return actions;
|
|
}
|
|
|
|
|
|
public WallConnectionHandler(String blockConnections) {
|
|
super(blockConnections);
|
|
}
|
|
|
|
@Override
|
|
protected byte getStates(WrappedBlockData blockData) {
|
|
byte states = super.getStates(blockData);
|
|
if (blockData.getValue("up").equals("true")) states |= 16;
|
|
return states;
|
|
}
|
|
|
|
protected byte getStates(UserConnection user, Position position, int blockState) {
|
|
byte states = super.getStates(user, position, blockState);
|
|
if (up(user, position)) states |= 16;
|
|
return states;
|
|
}
|
|
|
|
public boolean up(UserConnection user, Position position) {
|
|
if (isWall(getBlockData(user, position.getRelative(BlockFace.BOTTOM))) || isWall(getBlockData(user, position.getRelative(BlockFace.TOP))))
|
|
return true;
|
|
int blockFaces = getBlockFaces(user, position);
|
|
if (blockFaces == 0 || blockFaces == 0xF) return true;
|
|
for (int i = 0; i < BLOCK_FACES.length; i++) {
|
|
if ((blockFaces & (1 << i)) != 0 && (blockFaces & (1 << OPPOSITES[i])) == 0) return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
private int getBlockFaces(UserConnection user, Position position) {
|
|
int blockFaces = 0;
|
|
for (int i = 0; i < BLOCK_FACES.length; i++) {
|
|
if (isWall(getBlockData(user, position.getRelative(BLOCK_FACES[i])))) {
|
|
blockFaces |= 1 << i;
|
|
}
|
|
}
|
|
return blockFaces;
|
|
}
|
|
|
|
private boolean isWall(int id) {
|
|
return getBlockStates().contains(id);
|
|
}
|
|
}
|