|
| 1 | +/* |
| 2 | + * WorldEdit, a Minecraft world manipulation toolkit |
| 3 | + * Copyright (C) sk89q <http://www.sk89q.com> |
| 4 | + * Copyright (C) WorldEdit team and contributors |
| 5 | + * |
| 6 | + * This program is free software: you can redistribute it and/or modify |
| 7 | + * it under the terms of the GNU General Public License as published by |
| 8 | + * the Free Software Foundation, either version 3 of the License, or |
| 9 | + * (at your option) any later version. |
| 10 | + * |
| 11 | + * This program is distributed in the hope that it will be useful, |
| 12 | + * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | + * GNU General Public License for more details. |
| 15 | + * |
| 16 | + * You should have received a copy of the GNU General Public License |
| 17 | + * along with this program. If not, see <https://www.gnu.org/licenses/>. |
| 18 | + */ |
| 19 | + |
| 20 | +package com.sk89q.worldedit.bukkit.adapter.ext.fawe.v1_21_3; |
| 21 | + |
| 22 | +import com.fastasyncworldedit.core.internal.exception.FaweException; |
| 23 | +import com.sk89q.worldedit.EditSession; |
| 24 | +import com.sk89q.worldedit.MaxChangedBlocksException; |
| 25 | +import com.sk89q.worldedit.bukkit.WorldEditPlugin; |
| 26 | +import com.sk89q.worldedit.bukkit.adapter.Refraction; |
| 27 | +import com.sk89q.worldedit.bukkit.adapter.impl.fawe.v1_21_3.PaperweightFaweAdapter; |
| 28 | +import com.sk89q.worldedit.extent.Extent; |
| 29 | +import com.sk89q.worldedit.internal.util.LogManagerCompat; |
| 30 | +import com.sk89q.worldedit.world.block.BlockTypes; |
| 31 | +import net.minecraft.core.BlockPos; |
| 32 | +import net.minecraft.core.Direction; |
| 33 | +import net.minecraft.nbt.CompoundTag; |
| 34 | +import net.minecraft.server.level.ServerLevel; |
| 35 | +import net.minecraft.tags.FluidTags; |
| 36 | +import net.minecraft.world.entity.Entity; |
| 37 | +import net.minecraft.world.level.WorldGenLevel; |
| 38 | +import net.minecraft.world.level.block.entity.BlockEntity; |
| 39 | +import net.minecraft.world.level.block.state.BlockState; |
| 40 | +import net.minecraft.world.level.material.FluidState; |
| 41 | +import net.minecraft.world.phys.AABB; |
| 42 | +import org.apache.logging.log4j.Logger; |
| 43 | +import org.jetbrains.annotations.Nullable; |
| 44 | + |
| 45 | +import java.lang.reflect.InvocationHandler; |
| 46 | +import java.lang.reflect.Method; |
| 47 | +import java.lang.reflect.Proxy; |
| 48 | +import java.util.ArrayList; |
| 49 | +import java.util.Arrays; |
| 50 | + |
| 51 | +public class PaperweightServerLevelDelegateProxy implements InvocationHandler { |
| 52 | + |
| 53 | + private static final Logger LOGGER = LogManagerCompat.getLogger(); |
| 54 | + |
| 55 | + // FAWE start - extent not EditSession |
| 56 | + private final Extent editSession; |
| 57 | + //FAWE end |
| 58 | + private final ServerLevel serverLevel; |
| 59 | + //FAWE start - use FAWE adapter |
| 60 | + private final PaperweightFaweAdapter adapter = ((PaperweightFaweAdapter) WorldEditPlugin |
| 61 | + .getInstance() |
| 62 | + .getBukkitImplAdapter()); |
| 63 | + //FAWE end |
| 64 | + //FAWE start - force error if method not caught by this instance |
| 65 | + private final boolean errorOnPassthrough; |
| 66 | + //FAWE end |
| 67 | + |
| 68 | + private PaperweightServerLevelDelegateProxy(EditSession editSession, ServerLevel serverLevel, PaperweightAdapter adapter) { |
| 69 | + this.editSession = editSession; |
| 70 | + this.serverLevel = serverLevel; |
| 71 | + //FAWE start |
| 72 | + this.errorOnPassthrough = false; |
| 73 | + //FAWE end |
| 74 | + } |
| 75 | + |
| 76 | + public static WorldGenLevel newInstance(EditSession editSession, ServerLevel serverLevel, PaperweightAdapter adapter) { |
| 77 | + return (WorldGenLevel) Proxy.newProxyInstance( |
| 78 | + serverLevel.getClass().getClassLoader(), |
| 79 | + serverLevel.getClass().getInterfaces(), |
| 80 | + new PaperweightServerLevelDelegateProxy(editSession, serverLevel, adapter) |
| 81 | + ); |
| 82 | + } |
| 83 | + |
| 84 | + //FAWE start - force error if method not caught by this instance |
| 85 | + private PaperweightServerLevelDelegateProxy(Extent extent, ServerLevel serverLevel, boolean errorOnPassthrough) { |
| 86 | + this.editSession = extent; |
| 87 | + this.serverLevel = serverLevel; |
| 88 | + this.errorOnPassthrough = errorOnPassthrough; |
| 89 | + } |
| 90 | + |
| 91 | + public static WorldGenLevel newInstance(Extent extent, ServerLevel serverLevel, boolean errorOnPassthrough) { |
| 92 | + return (WorldGenLevel) Proxy.newProxyInstance( |
| 93 | + serverLevel.getClass().getClassLoader(), |
| 94 | + serverLevel.getClass().getInterfaces(), |
| 95 | + new PaperweightServerLevelDelegateProxy(extent, serverLevel, errorOnPassthrough) |
| 96 | + ); |
| 97 | + } |
| 98 | + //FAWE end |
| 99 | + |
| 100 | + @Nullable |
| 101 | + private BlockEntity getBlockEntity(BlockPos blockPos) { |
| 102 | + BlockEntity tileEntity = this.serverLevel.getChunkAt(blockPos).getBlockEntity(blockPos); |
| 103 | + if (tileEntity == null) { |
| 104 | + return null; |
| 105 | + } |
| 106 | + BlockEntity newEntity = tileEntity.getType().create(blockPos, getBlockState(blockPos)); |
| 107 | + newEntity.loadWithComponents( |
| 108 | + (CompoundTag) adapter.fromNativeLin(this.editSession.getFullBlock( |
| 109 | + blockPos.getX(), |
| 110 | + blockPos.getY(), |
| 111 | + blockPos.getZ() |
| 112 | + ).getNbtReference().getValue()), |
| 113 | + this.serverLevel.registryAccess() |
| 114 | + ); |
| 115 | + |
| 116 | + return newEntity; |
| 117 | + } |
| 118 | + |
| 119 | + private BlockState getBlockState(BlockPos blockPos) { |
| 120 | + return adapter.adapt(this.editSession.getBlock(blockPos.getX(), blockPos.getY(), blockPos.getZ())); |
| 121 | + } |
| 122 | + |
| 123 | + private boolean setBlock(BlockPos blockPos, BlockState blockState) { |
| 124 | + try { |
| 125 | + return editSession.setBlock(blockPos.getX(), blockPos.getY(), blockPos.getZ(), adapter.adapt(blockState)); |
| 126 | + } catch (MaxChangedBlocksException e) { |
| 127 | + throw new RuntimeException(e); |
| 128 | + } |
| 129 | + } |
| 130 | + |
| 131 | + private boolean removeBlock(BlockPos blockPos, boolean bl) { |
| 132 | + try { |
| 133 | + return editSession.setBlock(blockPos.getX(), blockPos.getY(), blockPos.getZ(), BlockTypes.AIR.getDefaultState()); |
| 134 | + } catch (MaxChangedBlocksException e) { |
| 135 | + throw new RuntimeException(e); |
| 136 | + } |
| 137 | + } |
| 138 | + |
| 139 | + private FluidState getFluidState(BlockPos pos) { |
| 140 | + return getBlockState(pos).getFluidState(); |
| 141 | + } |
| 142 | + |
| 143 | + private boolean isWaterAt(BlockPos pos) { |
| 144 | + return getBlockState(pos).getFluidState().is(FluidTags.WATER); |
| 145 | + } |
| 146 | + |
| 147 | + @Override |
| 148 | + public Object invoke(Object proxy, Method method, Object[] args) throws Throwable { |
| 149 | + //FAWE start - cannot use switch where method names are equal |
| 150 | + String methodName = method.getName(); |
| 151 | + if (Refraction.pickName("getBlockState", "a_").equals(methodName)) { |
| 152 | + if (args.length == 1 && args[0] instanceof BlockPos blockPos) { |
| 153 | + // getBlockState |
| 154 | + return getBlockState(blockPos); |
| 155 | + } |
| 156 | + } |
| 157 | + if (Refraction.pickName("getBlockEntity", "c_").equals(methodName)) { |
| 158 | + if (args.length == 1 && args[0] instanceof BlockPos blockPos) { |
| 159 | + // getBlockEntity |
| 160 | + return getBlockEntity(blockPos); |
| 161 | + } |
| 162 | + } |
| 163 | + if ("a".equals(methodName) || "setBlock".equals(methodName) || "removeBlock".equals(methodName) || "destroyBlock".equals( |
| 164 | + methodName)) { |
| 165 | + if (args.length >= 2 && args[0] instanceof BlockPos blockPos && args[1] instanceof BlockState blockState) { |
| 166 | + // setBlock |
| 167 | + return setBlock(blockPos, blockState); |
| 168 | + } else if (args.length >= 2 && args[0] instanceof BlockPos blockPos && args[1] instanceof Boolean bl) { |
| 169 | + // removeBlock (and also matches destroyBlock) |
| 170 | + return removeBlock(blockPos, bl); |
| 171 | + } |
| 172 | + } |
| 173 | + //FAWE start |
| 174 | + if (Refraction.pickName("getFluidState", "b_").equals(methodName)) { //net.minecraft.world.level.BlockGetter |
| 175 | + if (args.length == 1 && args[0] instanceof BlockPos blockPos) { |
| 176 | + return getFluidState(blockPos); |
| 177 | + } |
| 178 | + } |
| 179 | + if (Refraction.pickName("isWaterAt", "z").equals(methodName)) { //net.minecraft.world.level.LevelReader |
| 180 | + if (args.length == 1 && args[0] instanceof BlockPos blockPos) { |
| 181 | + return isWaterAt(blockPos); |
| 182 | + } |
| 183 | + } |
| 184 | + if (Refraction.pickName("getEntities", "a_").equals(methodName)) { //net.minecraft.world.level.EntityGetter |
| 185 | + if (args.length == 2 && args[0] instanceof Entity && args[1] instanceof AABB) { |
| 186 | + return new ArrayList<>(); |
| 187 | + } |
| 188 | + } |
| 189 | + // Specific passthroughs that we want to allow |
| 190 | + // net.minecraft.world.level.BlockAndTintGetter |
| 191 | + if (Refraction.pickName("getRawBrightness", "b").equals(methodName)) { |
| 192 | + return method.invoke(this.serverLevel, args); |
| 193 | + } |
| 194 | + // net.minecraft.world.level.LevelHeightAccessor |
| 195 | + if (Refraction.pickName("getMaxBuildHeight", "al").equals(methodName)) { |
| 196 | + if (args.length == 0) { |
| 197 | + return method.invoke(this.serverLevel, args); |
| 198 | + } |
| 199 | + } |
| 200 | + // net.minecraft.world.level.SignalGetter |
| 201 | + if (Refraction.pickName("hasNeighborSignal", "C").equals(methodName)) { |
| 202 | + if (args.length == 1 && args[0] instanceof BlockPos) { |
| 203 | + return method.invoke(this.serverLevel, args); |
| 204 | + } |
| 205 | + } |
| 206 | + if (Refraction.pickName("getSignal", "c").equals(methodName)) { |
| 207 | + if (args.length == 2 && args[0] instanceof BlockPos && args[1] instanceof Direction) { |
| 208 | + return method.invoke(this.serverLevel, args); |
| 209 | + } |
| 210 | + } |
| 211 | + if (Refraction.pickName("getControlInputSignal", "a").equals(methodName)) { |
| 212 | + if (args.length == 3 && args[0] instanceof BlockPos && args[1] instanceof Direction && args[2] instanceof Boolean) { |
| 213 | + return method.invoke(this.serverLevel, args); |
| 214 | + } |
| 215 | + } |
| 216 | + if (Refraction.pickName("getDirectSignal", "a").equals(methodName)) { |
| 217 | + if (args.length == 2 && args[0] instanceof BlockPos && args[1] instanceof Direction) { |
| 218 | + return method.invoke(this.serverLevel, args); |
| 219 | + } |
| 220 | + } |
| 221 | + //FAWE start - force error if method not caught by this instance |
| 222 | + if (errorOnPassthrough) { |
| 223 | + LOGGER.error( |
| 224 | + """ |
| 225 | + Attempted passthough of method {}. |
| 226 | + Method argument types: {} |
| 227 | + Method argument values: {} |
| 228 | + """, |
| 229 | + method.getName(), |
| 230 | + Arrays.stream(args).map(a -> a.getClass().getName()).toList(), |
| 231 | + Arrays.stream(args).map(Object::toString).toList() |
| 232 | + ); |
| 233 | + throw new FaweException("Method required passthrough."); |
| 234 | + } |
| 235 | + //FAWE end |
| 236 | + |
| 237 | + return method.invoke(this.serverLevel, args); |
| 238 | + } |
| 239 | + |
| 240 | +} |
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