Merge branch 'master' into dev

common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_13_2to1_14/Protocol1_13_2To1_14.java

@@ -26,6 +26,7 @@ import com.viaversion.viabackwards.protocol.protocol1_13_2to1_14.packets.EntityP
 import com.viaversion.viabackwards.protocol.protocol1_13_2to1_14.packets.PlayerPackets1_14;
 import com.viaversion.viabackwards.protocol.protocol1_13_2to1_14.packets.SoundPackets1_14;
 import com.viaversion.viabackwards.protocol.protocol1_13_2to1_14.storage.ChunkLightStorage;
+import com.viaversion.viabackwards.protocol.protocol1_13_2to1_14.storage.DifficultyStorage;
 import com.viaversion.viaversion.api.connection.UserConnection;
 import com.viaversion.viaversion.api.minecraft.entities.Entity1_14Types;
 import com.viaversion.viaversion.api.protocol.packet.PacketWrapper;
@@ -195,6 +196,8 @@ public class Protocol1_13_2To1_14 extends BackwardsProtocol<ClientboundPackets1_
         if (!user.has(ChunkLightStorage.class)) {
             user.put(new ChunkLightStorage(user));
         }
+
+        user.put(new DifficultyStorage(user));
     }
 
     @Override

common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_13_2to1_14/packets/EntityPackets1_14.java

@@ -23,6 +23,7 @@ import com.viaversion.viabackwards.api.entities.storage.EntityPositionHandler;
 import com.viaversion.viabackwards.api.rewriters.LegacyEntityRewriter;
 import com.viaversion.viabackwards.protocol.protocol1_13_2to1_14.Protocol1_13_2To1_14;
 import com.viaversion.viabackwards.protocol.protocol1_13_2to1_14.storage.ChunkLightStorage;
+import com.viaversion.viabackwards.protocol.protocol1_13_2to1_14.storage.DifficultyStorage;
 import com.viaversion.viabackwards.protocol.protocol1_13_2to1_14.storage.EntityPositionStorage1_14;
 import com.viaversion.viaversion.api.data.entity.EntityTracker;
 import com.viaversion.viaversion.api.minecraft.Position;
@@ -309,10 +310,9 @@ public class EntityPackets1_14 extends LegacyEntityRewriter<Protocol1_13_2To1_14
 
                 handler(getTrackerHandler(Entity1_14Types.PLAYER, Type.INT));
                 handler(getDimensionHandler(1));
-                handler(new PacketHandler() {
+                handler(wrapper -> {
-                    @Override
+                    short difficulty = wrapper.user().get(DifficultyStorage.class).getDifficulty();
-                    public void handle(PacketWrapper wrapper) throws Exception {
+                    wrapper.write(Type.UNSIGNED_BYTE, difficulty);
-                        wrapper.write(Type.UNSIGNED_BYTE, (short) 0);
 
                     wrapper.passthrough(Type.UNSIGNED_BYTE); // Max Players
                     wrapper.passthrough(Type.STRING); // Level Type
@@ -323,7 +323,6 @@ public class EntityPackets1_14 extends LegacyEntityRewriter<Protocol1_13_2To1_14
                     /*int entitiyId = wrapper.get(Type.INT, 0);
                     StoredEntityData storedEntity = protocol.getEntityRewriter().tracker(wrapper.user()).entityData(entitiyId);
                     storedEntity.put(new EntityPositionStorage1_14());*/
-                    }
                 });
             }
         });
@@ -333,16 +332,15 @@ public class EntityPackets1_14 extends LegacyEntityRewriter<Protocol1_13_2To1_14
             public void registerMap() {
                 map(Type.INT); // 0 - Dimension ID
 
-                handler(new PacketHandler() {
+                handler(wrapper -> {
-                    @Override
-                    public void handle(PacketWrapper wrapper) throws Exception {
                     ClientWorld clientWorld = wrapper.user().get(ClientWorld.class);
                     int dimensionId = wrapper.get(Type.INT, 0);
                     clientWorld.setEnvironment(dimensionId);
 
-                        wrapper.write(Type.UNSIGNED_BYTE, (short) 0); // Difficulty
+                    short difficulty = wrapper.user().get(DifficultyStorage.class).getDifficulty();
+                    wrapper.write(Type.UNSIGNED_BYTE, difficulty);
+
                     wrapper.user().get(ChunkLightStorage.class).clear();
-                    }
                 });
             }
         });

common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_13_2to1_14/packets/PlayerPackets1_14.java

@@ -18,6 +18,7 @@
 package com.viaversion.viabackwards.protocol.protocol1_13_2to1_14.packets;
 
 import com.viaversion.viabackwards.protocol.protocol1_13_2to1_14.Protocol1_13_2To1_14;
+import com.viaversion.viabackwards.protocol.protocol1_13_2to1_14.storage.DifficultyStorage;
 import com.viaversion.viaversion.api.minecraft.Position;
 import com.viaversion.viaversion.api.protocol.packet.PacketWrapper;
 import com.viaversion.viaversion.api.protocol.remapper.PacketHandler;
@@ -40,6 +41,10 @@ public class PlayerPackets1_14 extends RewriterBase<Protocol1_13_2To1_14> {
             public void registerMap() {
                 map(Type.UNSIGNED_BYTE);
                 map(Type.BOOLEAN, Type.NOTHING); // Locked
+                handler(wrapper -> {
+                    byte difficulty = wrapper.get(Type.UNSIGNED_BYTE, 0).byteValue();
+                    wrapper.user().get(DifficultyStorage.class).setDifficulty(difficulty);
+                });
             }
         });
 

common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_13_2to1_14/storage/DifficultyStorage.java

@@ -0,0 +1,37 @@
+/*
+ * This file is part of ViaBackwards - https://github.com/ViaVersion/ViaBackwards
+ * Copyright (C) 2016-2022 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.viabackwards.protocol.protocol1_13_2to1_14.storage;
+
+import com.viaversion.viaversion.api.connection.StoredObject;
+import com.viaversion.viaversion.api.connection.UserConnection;
+
+public class DifficultyStorage extends StoredObject {
+    private byte difficulty;
+
+    public DifficultyStorage(UserConnection user) {
+        super(user);
+    }
+
+    public byte getDifficulty() {
+        return difficulty;
+    }
+
+    public void setDifficulty(byte difficulty) {
+        this.difficulty = difficulty;
+    }
+}

common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_16_4to1_17/packets/BlockItemPackets1_17.java

@@ -30,6 +30,9 @@ import com.viaversion.viaversion.api.minecraft.chunks.ChunkSection;
 import com.viaversion.viaversion.api.protocol.packet.PacketWrapper;
 import com.viaversion.viaversion.api.protocol.remapper.PacketRemapper;
 import com.viaversion.viaversion.api.type.Type;
+import com.viaversion.viaversion.libs.opennbt.tag.builtin.CompoundTag;
+import com.viaversion.viaversion.libs.opennbt.tag.builtin.LongArrayTag;
+import com.viaversion.viaversion.libs.opennbt.tag.builtin.Tag;
 import com.viaversion.viaversion.protocols.protocol1_16_2to1_16_1.ClientboundPackets1_16_2;
 import com.viaversion.viaversion.protocols.protocol1_16_2to1_16_1.ServerboundPackets1_16_2;
 import com.viaversion.viaversion.protocols.protocol1_16_2to1_16_1.types.Chunk1_16_2Type;
@@ -38,6 +41,8 @@ import com.viaversion.viaversion.protocols.protocol1_17to1_16_4.ClientboundPacke
 import com.viaversion.viaversion.protocols.protocol1_17to1_16_4.ServerboundPackets1_17;
 import com.viaversion.viaversion.protocols.protocol1_17to1_16_4.types.Chunk1_17Type;
 import com.viaversion.viaversion.rewriter.BlockRewriter;
+import com.viaversion.viaversion.util.CompactArrayUtil;
+import com.viaversion.viaversion.util.MathUtil;
 
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -282,6 +287,16 @@ public final class BlockItemPackets1_17 extends ItemRewriter<Protocol1_16_4To1_1
                     ChunkSection[] sections = Arrays.copyOfRange(chunk.getSections(), startFromSection, startFromSection + 16);
                     chunk.setSections(sections);
 
+                    CompoundTag heightMaps = chunk.getHeightMap();
+                    for (Tag heightMapTag : heightMaps.values()) {
+                        LongArrayTag heightMap = (LongArrayTag) heightMapTag;
+                        int[] heightMapData = new int[256];
+                        int bitsPerEntry = MathUtil.ceilLog2((currentWorldSectionHeight << 4) + 1);
+                        // Shift back to 0 based and clamp to normal height with 9 bits
+                        CompactArrayUtil.iterateCompactArrayWithPadding(bitsPerEntry, heightMapData.length, heightMap.getValue(), (i, v) -> heightMapData[i] = MathUtil.clamp(v + tracker.currentMinY(), 0, 255));
+                        heightMap.setValue(CompactArrayUtil.createCompactArrayWithPadding(9, heightMapData.length, i -> heightMapData[i]));
+                    }
+
                     for (int i = 0; i < 16; i++) {
                         ChunkSection section = sections[i];
                         if (section == null) continue;

common/src/main/java/com/viaversion/viabackwards/protocol/protocol1_16_4to1_17/packets/EntityPackets1_17.java

@@ -218,8 +218,8 @@ public final class EntityPackets1_17 extends EntityRewriter<Protocol1_16_4To1_17
         IntTag logicalHeight = tag.get("logical_height");
         if (minY.asInt() != 0 || height.asInt() > 256 || logicalHeight.asInt() > 256) {
             if (warn && !warned) {
-                ViaBackwards.getPlatform().getLogger().severe("Custom worlds heights are NOT SUPPORTED for 1.16 players and older and may lead to errors!");
+                ViaBackwards.getPlatform().getLogger().warning("Custom worlds heights are NOT SUPPORTED for 1.16 players and older and may lead to errors!");
-                ViaBackwards.getPlatform().getLogger().severe("You have min/max set to " + minY.asInt() + "/" + height.asInt());
+                ViaBackwards.getPlatform().getLogger().warning("You have min/max set to " + minY.asInt() + "/" + height.asInt());
                 warned = true;
             }