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Implement ServerUpdateLightPacket

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This commit is contained in:
Jonas Herzig 2019-04-29 14:43:52 +02:00
parent 02d3f6f319
commit 228535b23c
1 changed files with 105 additions and 15 deletions
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120
src/main/java/com/github/steveice10/mc/protocol/packet/ingame/server/world/ServerUpdateLightPacket.java
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@ -1,41 +1,131 @@
package com.github.steveice10.mc.protocol.packet.ingame.server.world;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import com.github.steveice10.mc.protocol.data.game.chunk.NibbleArray3d;
import com.github.steveice10.mc.protocol.packet.MinecraftPacket;
import com.github.steveice10.packetlib.io.NetInput;
import com.github.steveice10.packetlib.io.NetOutput;
// TODO: Implement
public class ServerUpdateLightPacket extends MinecraftPacket {
private static final NibbleArray3d EMPTY = new NibbleArray3d(4096);
private int x;
private int z;
private List<NibbleArray3d> skyLight;
private List<NibbleArray3d> blockLight;
private byte[] data;
public ServerUpdateLightPacket() {
@SuppressWarnings("unused")
private ServerUpdateLightPacket() {
}
@Deprecated
public ServerUpdateLightPacket(byte[] data) {
this.data = data;
public ServerUpdateLightPacket(int x, int z, List<NibbleArray3d> skyLight, List<NibbleArray3d> blockLight) {
if (skyLight.size() != 18) {
throw new IllegalArgumentException("skyLight must have exactly 18 entries (null entries are permitted)");
}
if (blockLight.size() != 18) {
throw new IllegalArgumentException("blockLight must have exactly 18 entries (null entries are permitted)");
}
this.x = x;
this.z = z;
this.skyLight = skyLight;
this.blockLight = blockLight;
}
@Deprecated
public byte[] getData() {
return data;
public int getX() {
return this.x;
}
@Deprecated
public void setData(byte[] data) {
this.data = data;
public int getZ() {
return this.z;
}
public List<NibbleArray3d> getSkyLight() {
return this.skyLight;
}
public List<NibbleArray3d> getBlockLight() {
return this.blockLight;
}
@Override
public void read(NetInput in) throws IOException {
data = in.readBytes(in.available());
this.x = in.readVarInt();
this.z = in.readVarInt();
int skyLightMask = in.readVarInt();
int blockLightMask = in.readVarInt();
int emptySkyLightMask = in.readVarInt();
int emptyBlockLightMask = in.readVarInt();
this.skyLight = new ArrayList<>(18);
for (int i = 0; i < 18; i++) {
if ((skyLightMask & 1 << i) != 0) {
this.skyLight.add(new NibbleArray3d(in, 2048)); // 2048 bytes read = 4096 entries
} else if ((emptySkyLightMask & 1 << i) != 0) {
this.skyLight.add(new NibbleArray3d(4096));
} else {
this.skyLight.add(null);
}
}
this.blockLight = new ArrayList<>(18);
for (int i = 0; i < 18; i++) {
if ((blockLightMask & 1 << i) != 0) {
this.blockLight.add(new NibbleArray3d(in, 2048)); // 2048 bytes read = 4096 entries
} else if ((emptyBlockLightMask & 1 << i) != 0) {
this.blockLight.add(new NibbleArray3d(4096));
} else {
this.blockLight.add(null);
}
}
}
@Override
public void write(NetOutput out) throws IOException {
out.writeBytes(data);
out.writeVarInt(this.x);
out.writeVarInt(this.z);
int skyLightMask = 0;
int blockLightMask = 0;
int emptySkyLightMask = 0;
int emptyBlockLightMask = 0;
for (int i = 0; i < 18; i++) {
NibbleArray3d skyLight = this.skyLight.get(i);
if (skyLight != null) {
if (EMPTY.equals(skyLight)) {
emptySkyLightMask |= 1 << i;
} else {
skyLightMask |= 1 << i;
}
}
NibbleArray3d blockLight = this.blockLight.get(i);
if (blockLight != null) {
if (EMPTY.equals(blockLight)) {
emptyBlockLightMask |= 1 << i;
} else {
blockLightMask |= 1 << i;
}
}
}
out.writeVarInt(skyLightMask);
out.writeVarInt(blockLightMask);
out.writeVarInt(emptySkyLightMask);
out.writeVarInt(emptyBlockLightMask);
for (int i = 0; i < 18; i++) {
if ((skyLightMask & 1 << i) != 0) {
this.skyLight.get(i).write(out);
}
}
for (int i = 0; i < 18; i++) {
if ((blockLightMask & 1 << i) != 0) {
this.blockLight.get(i).write(out);
}
}
}
}