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Code Issues Projects Releases Wiki Activity

Fix no light for non full blocks (#1414)

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This commit is contained in:
Nassim 2019-09-09 14:02:30 +02:00 committed by Myles
parent 9fd4795cb3
commit 5eb3771704
11 changed files with 144 additions and 9 deletions
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5
bukkit/src/main/java/us/myles/ViaVersion/bukkit/platform/BukkitViaConfig.java
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@ -269,4 +269,9 @@ public class BukkitViaConfig extends Config implements ViaVersionConfig {
public boolean is1_14HitboxFix() {
return getBoolean("change-1_14-hitbox", false);
}
@Override
public boolean isNonFullBlockLightFix() {
return getBoolean("fix-non-full-blocklight", true);
}
}

5
bungee/src/main/java/us/myles/ViaVersion/bungee/platform/BungeeViaConfig.java
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@ -322,4 +322,9 @@ public class BungeeViaConfig extends Config implements ViaVersionConfig {
public boolean is1_14HitboxFix() {
return false;
}
@Override
public boolean isNonFullBlockLightFix() {
return getBoolean("fix-non-full-blocklight", true);
}
}

7
common/src/main/java/us/myles/ViaVersion/api/ViaVersionConfig.java
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@ -337,4 +337,11 @@ public interface ViaVersionConfig {
* @return True if enabled
*/
boolean is1_14HitboxFix();
/**
* Fixes non full blocks having 0 light for 1.14+ clients on sub 1.14 servers.
*
* @return True if enabled
*/
boolean isNonFullBlockLightFix();
}

10
common/src/main/java/us/myles/ViaVersion/api/minecraft/chunks/ChunkSection.java
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@ -175,10 +175,18 @@ public class ChunkSection {
return blockLight == null ? null : blockLight.getHandle();
}
public NibbleArray getBlockLightNibbleArray() {
return blockLight;
}
public byte[] getSkyLight() {
return skyLight == null ? null : skyLight.getHandle();
}
public NibbleArray getSkyLightNibbleArray() {
return skyLight;
}
public void readBlockLight(ByteBuf input) {
if (this.blockLight == null) {
this.blockLight = new NibbleArray(LIGHT_LENGTH * 2);
@ -193,7 +201,7 @@ public class ChunkSection {
input.readBytes(this.skyLight.getHandle());
}
private static int index(int x, int y, int z) {
public static int index(int x, int y, int z) {
return y << 8 | z << 4 | x;
}

4
common/src/main/java/us/myles/ViaVersion/api/minecraft/chunks/NibbleArray.java
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@ -30,7 +30,7 @@ public class NibbleArray {
* @return The value at the given XYZ
*/
public byte get(int x, int y, int z) {
return get(y << 8 | z << 4 | x);
return get(ChunkSection.index(x, y, z));
}
/**
@ -57,7 +57,7 @@ public class NibbleArray {
* @param value Desired Value
*/
public void set(int x, int y, int z, int value) {
set(y << 8 | z << 4 | x, value);
set(ChunkSection.index(x, y, z), value);
}
/**

1
common/src/main/java/us/myles/ViaVersion/protocols/protocol1_14to1_13_2/Protocol1_14To1_13_2.java
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@ -323,6 +323,5 @@ public class Protocol1_14To1_13_2 extends Protocol {
userConnection.put(new EntityTracker(userConnection));
if (!userConnection.has(ClientWorld.class))
userConnection.put(new ClientWorld(userConnection));
}
}

20
common/src/main/java/us/myles/ViaVersion/protocols/protocol1_14to1_13_2/data/MappingData.java
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@ -11,11 +11,7 @@ import us.myles.ViaVersion.util.GsonUtil;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.Arrays;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import java.util.*;
public class MappingData {
public static BiMap<Integer, Integer> oldToNewItems = HashBiMap.create();
@ -23,6 +19,7 @@ public class MappingData {
public static BlockMappings blockMappings;
public static SoundMappings soundMappings;
public static Set<Integer> motionBlocking;
public static Set<Integer> nonFullBlocks;
public static void init() {
JsonObject mapping1_13_2 = loadData("mapping-1.13.2.json");
@ -57,6 +54,19 @@ public class MappingData {
MappingData.motionBlocking.add(id);
}
}
if (Via.getConfig().isNonFullBlockLightFix()) {
nonFullBlocks = new HashSet<>();
for (Map.Entry<String, JsonElement> blockstates : mapping1_13_2.getAsJsonObject("blockstates").entrySet()) {
final String state = blockstates.getValue().getAsString();
if (state.contains("_slab") || state.contains("_stairs") || state.contains("_wall["))
nonFullBlocks.add(blockStateMappings.getNewBlock(Integer.parseInt(blockstates.getKey())));
}
nonFullBlocks.add(blockStateMappings.getNewBlock(8163)); // grass path
for (int i = 3060; i <= 3067; i++) { // farmland
nonFullBlocks.add(blockStateMappings.getNewBlock(i));
}
}
}
public static JsonObject loadData(String name) {

89
common/src/main/java/us/myles/ViaVersion/protocols/protocol1_14to1_13_2/packets/WorldPackets.java
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@ -4,10 +4,14 @@ import com.github.steveice10.opennbt.tag.builtin.CompoundTag;
import com.github.steveice10.opennbt.tag.builtin.LongArrayTag;
import com.google.common.primitives.Bytes;
import us.myles.ViaVersion.api.PacketWrapper;
import us.myles.ViaVersion.api.Via;
import us.myles.ViaVersion.api.data.UserConnection;
import us.myles.ViaVersion.api.entities.Entity1_14Types;
import us.myles.ViaVersion.api.minecraft.BlockChangeRecord;
import us.myles.ViaVersion.api.minecraft.BlockFace;
import us.myles.ViaVersion.api.minecraft.chunks.Chunk;
import us.myles.ViaVersion.api.minecraft.chunks.ChunkSection;
import us.myles.ViaVersion.api.minecraft.chunks.NibbleArray;
import us.myles.ViaVersion.api.protocol.Protocol;
import us.myles.ViaVersion.api.remapper.PacketHandler;
import us.myles.ViaVersion.api.remapper.PacketRemapper;
@ -164,6 +168,7 @@ public class WorldPackets {
for (int s = 0; s < 16; s++) {
ChunkSection section = chunk.getSections()[s];
if (section == null) continue;
boolean hasBlock = false;
for (int i = 0; i < section.getPaletteSize(); i++) {
int old = section.getPaletteEntry(i);
@ -177,6 +182,7 @@ public class WorldPackets {
section.setNonAirBlocksCount(0);
continue;
}
int nonAirBlockCount = 0;
for (int x = 0; x < 16; x++) {
for (int y = 0; y < 16; y++) {
@ -189,9 +195,15 @@ public class WorldPackets {
if (MappingData.motionBlocking.contains(id)) {
motionBlocking[x + z * 16] = y + s * 16 + 2; // Should be +1 (top of the block) but +2 works :tm:
}
// Manually update light for non full blocks (block light must not be sent)
if (Via.getConfig().isNonFullBlockLightFix() && MappingData.nonFullBlocks.contains(id)) {
setNonFullLight(chunk, section, s, x, y, z);
}
}
}
}
section.setNonAirBlocksCount(nonAirBlockCount);
}
@ -437,4 +449,81 @@ public class WorldPackets {
return data;
}
private static void setNonFullLight(Chunk chunk, ChunkSection section, int ySection, int x, int y, int z) {
int skyLight = 0;
int blockLight = 0;
for (BlockFace blockFace : BlockFace.values()) {
NibbleArray skyLightArray = section.getSkyLightNibbleArray();
NibbleArray blockLightArray = section.getBlockLightNibbleArray();
int neighbourX = x + blockFace.getModX();
int neighbourY = y + blockFace.getModY();
int neighbourZ = z + blockFace.getModZ();
if (blockFace.getModX() != 0) {
// Another chunk, nothing we can do without an unnecessary amount of caching
if (neighbourX == 16 || neighbourX == -1) continue;
} else if (blockFace.getModY() != 0) {
if (neighbourY == 16 || neighbourY == -1) {
if (neighbourY == 16) {
ySection += 1;
neighbourY = 0;
} else {
ySection -= 1;
neighbourY = 15;
}
if (ySection == 16 || ySection == -1) continue;
ChunkSection newSection = chunk.getSections()[ySection];
if (newSection == null) continue;
skyLightArray = newSection.getSkyLightNibbleArray();
blockLightArray = newSection.getBlockLightNibbleArray();
}
} else if (blockFace.getModZ() != 0) {
// Another chunk, nothing we can do without an unnecessary amount of caching
if (neighbourZ == 16 || neighbourZ == -1) continue;
}
if (blockLightArray != null && blockLight != 15) {
int neighbourBlockLight = blockLightArray.get(neighbourX, neighbourY, neighbourZ);
if (neighbourBlockLight == 15) {
blockLight = 14;
} else if (neighbourBlockLight > blockLight) {
blockLight = neighbourBlockLight - 1; // lower light level by one
}
}
if (skyLightArray != null && skyLight != 15) {
int neighbourSkyLight = skyLightArray.get(neighbourX, neighbourY, neighbourZ);
if (neighbourSkyLight == 15) {
if (blockFace.getModY() == 1) {
// Keep 15 if block is exposed to sky
skyLight = 15;
continue;
}
skyLight = 14;
} else if (neighbourSkyLight > skyLight) {
skyLight = neighbourSkyLight - 1; // lower light level by one
}
}
}
if (skyLight != 0) {
if (!section.hasSkyLight()) {
byte[] newSkyLight = new byte[2028];
section.setSkyLight(newSkyLight);
}
section.getSkyLightNibbleArray().set(x, y, z, skyLight);
}
if (blockLight != 0) {
section.getBlockLightNibbleArray().set(x, y, z, blockLight);
}
}
private static long getChunkIndex(int x, int z) {
return ((x & 0x3FFFFFFL) << 38) | (z & 0x3FFFFFFL);
}
}

2
common/src/main/resources/assets/viaversion/config.yml
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@ -126,6 +126,8 @@ change-1_9-hitbox: false
# WARNING: This gives 1.14+ players the ability to sneak under blocks, that players under that version cannot (sneaking in places that are only 1.5 blocks high)!
# Another thing to remember is that those players might be missed by projectiles and other hits directed at the very top of their head whilst sneaking.
change-1_14-hitbox: false
# Fixes 1.14+ clients on sub 1.14 servers having a light value of 0 for non full blocks.
fix-non-full-blocklight: true
#
# Enable serverside block-connections for 1.13+ clients
serverside-blockconnections: false

5
sponge/src/main/java/us/myles/ViaVersion/sponge/platform/SpongeViaConfig.java
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@ -275,4 +275,9 @@ public class SpongeViaConfig extends Config implements ViaVersionConfig {
public boolean is1_14HitboxFix() {
return false;
}
@Override
public boolean isNonFullBlockLightFix() {
return getBoolean("fix-non-full-blocklight", true);
}
}

5
velocity/src/main/java/us/myles/ViaVersion/velocity/platform/VelocityViaConfig.java
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@ -328,4 +328,9 @@ public class VelocityViaConfig extends Config implements ViaVersionConfig {
public boolean is1_14HitboxFix() {
return false;
}
@Override
public boolean isNonFullBlockLightFix() {
return getBoolean("fix-non-full-blocklight", true);
}
}