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Mirror von https://github.com/ViaVersion/ViaVersion.git synchronisiert 2024-11-03 14:50:30 +01:00

fix merge issues

Dieser Commit ist enthalten in:
Gerrygames 2018-10-26 17:09:26 +02:00
Ursprung 928cd9de94
Commit 28bb60244f
6 geänderte Dateien mit 28 neuen und 1355 gelöschten Zeilen

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@ -2,6 +2,8 @@ package us.myles.ViaVersion.api.minecraft.chunks;
import com.google.common.collect.Lists;
import io.netty.buffer.ByteBuf;
import lombok.Getter;
import lombok.Setter;
import java.util.List;
@ -14,10 +16,14 @@ public class ChunkSection {
* Length of the sky and block light nibble arrays.
*/
public static final int LIGHT_LENGTH = 16 * 16 * 16 / 2; // size * size * size / 2 (nibble bit count)
private final List<Integer> palette = Lists.newArrayList();
@Getter
private final List<Integer> palette = Lists.newArrayList();
private final int[] blocks;
private NibbleArray blockLight;
private NibbleArray skyLight;
@Getter
@Setter
private int nonAirBlocksCount;
public ChunkSection() {
this.blocks = new int[SIZE];
@ -162,10 +168,6 @@ public class ChunkSection {
output.writeBytes(skyLight.getHandle());
}
public List<Integer> getPalette() {
return palette;
}
/**
* Check if sky light is present
*
@ -178,12 +180,4 @@ public class ChunkSection {
public boolean hasBlockLight() {
return blockLight != null;
}
public int getNonAirBlocksCount() {
return this.nonAirBlocksCount;
}
public void setNonAirBlocksCount(int nonAirBlocksCount) {
this.nonAirBlocksCount = nonAirBlocksCount;
}
}

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@ -1,316 +0,0 @@
package us.myles.ViaVersion.protocols.protocol1_13to1_12_2.chunks;
import com.google.common.collect.Lists;
import io.netty.buffer.ByteBuf;
import lombok.Getter;
import lombok.Setter;
import us.myles.ViaVersion.api.minecraft.chunks.ChunkSection;
import us.myles.ViaVersion.api.minecraft.chunks.NibbleArray;
import us.myles.ViaVersion.api.type.Type;
import java.util.List;
public class ChunkSection1_13 implements ChunkSection {
@Getter
@Setter
private int nonAirBlocksCount;
/**
* Size (dimensions) of blocks in a chunks section.
*/
public static final int SIZE = 16 * 16 * 16; // width * depth * height
/**
* Length of the sky and block light nibble arrays.
*/
public static final int LIGHT_LENGTH = 16 * 16 * 16 / 2; // size * size * size / 2 (nibble bit count)
/**
* Length of the block data array.
*/
private final List<Integer> palette = Lists.newArrayList();
private final int[] blocks;
private final NibbleArray blockLight;
private NibbleArray skyLight;
public ChunkSection1_13() {
this.blocks = new int[SIZE];
this.blockLight = new NibbleArray(SIZE);
palette.add(0); // AIR
}
public void setBlock(int x, int y, int z, int type, int data) {
setBlock(index(x, y, z), type, data);
}
@Override
public void setFlatBlock(int x, int y, int z, int type) {
int index = palette.indexOf(type);
if (index == -1) {
index = palette.size();
palette.add(type);
}
blocks[index(x, y, z)] = index;
}
public int getBlockId(int x, int y, int z) {
return getBlock(x, y, z) >> 4;
}
public int getBlock(int x, int y, int z) {
int index = blocks[index(x, y, z)];
return palette.get(index);
}
/**
* Set a block in the chunks based on the index
*
* @param idx Index
* @param type The type of the block
* @param data The data value of the block
*/
public void setBlock(int idx, int type, int data) {
int hash = type << 4 | (data & 0xF);
int index = palette.indexOf(hash);
if (index == -1) {
index = palette.size();
palette.add(hash);
}
blocks[idx] = index;
}
/**
* Set the block light array
*
* @param data The value to set the block light to
*/
public void setBlockLight(byte[] data) {
blockLight.setHandle(data);
}
/**
* Set the sky light array
*
* @param data The value to set the sky light to
*/
public void setSkyLight(byte[] data) {
if (data.length != LIGHT_LENGTH) throw new IllegalArgumentException("Data length != " + LIGHT_LENGTH);
this.skyLight = new NibbleArray(data);
}
private int index(int x, int y, int z) {
return y << 8 | z << 4 | x;
}
/**
* Read blocks from input stream.
* This reads all the block related data:
* <ul>
* <li>Block length/palette type</li>
* <li>Palette</li>
* <li>Block hashes/palette reference</li>
* </ul>
*
* @param input The buffer to read from.
* @throws Exception If it fails to read
*/
public void readBlocks(ByteBuf input) throws Exception {
palette.clear();
// Read bits per block
int bitsPerBlock = input.readUnsignedByte();
long maxEntryValue = (1L << bitsPerBlock) - 1;
boolean directPalette = false;
if (bitsPerBlock == 0) {
bitsPerBlock = 14;
}
if (bitsPerBlock < 4) {
bitsPerBlock = 4;
}
if (bitsPerBlock >= 9) {
directPalette = true;
bitsPerBlock = 14;
}
int paletteLength = directPalette ? 0 : Type.VAR_INT.read(input);
// Read palette
for (int i = 0; i < paletteLength; i++) {
palette.add(Type.VAR_INT.read(input));
}
// Read blocks
// Long[] blockData = Type.LONG_ARRAY.read(input);
long[] blockData = new long[Type.VAR_INT.read(input)];
for (int i = 0; i < blockData.length; i++) {
blockData[i] = input.readLong();
}
if (blockData.length > 0) {
for (int i = 0; i < blocks.length; i++) {
int bitIndex = i * bitsPerBlock;
int startIndex = bitIndex >> 6; // /64
int endIndex = ((i + 1) * bitsPerBlock - 1) >> 6; // /64
int startBitSubIndex = bitIndex & 0x3F; // % 64
int val;
if (startIndex == endIndex) {
val = (int) (blockData[startIndex] >>> startBitSubIndex & maxEntryValue);
} else {
int endBitSubIndex = 64 - startBitSubIndex;
val = (int) ((blockData[startIndex] >>> startBitSubIndex | blockData[endIndex] << endBitSubIndex) & maxEntryValue);
}
if (directPalette) {
int type = val >> 4;
int data = val & 0xF;
setBlock(i, type, data);
} else {
blocks[i] = val;
}
}
}
}
/**
* Read block light from buffer.
*
* @param input The buffer to read from
*/
public void readBlockLight(ByteBuf input) {
byte[] handle = new byte[LIGHT_LENGTH];
input.readBytes(handle);
blockLight.setHandle(handle);
}
/**
* Read sky light from buffer.
* Note: Only sent in overworld!
*
* @param input The buffer to read from
*/
public void readSkyLight(ByteBuf input) {
byte[] handle = new byte[LIGHT_LENGTH];
input.readBytes(handle);
if (skyLight != null) {
skyLight.setHandle(handle);
return;
}
this.skyLight = new NibbleArray(handle);
}
public void writeBlocks(ByteBuf output) throws Exception {
// Write bits per block
int bitsPerBlock = 4;
while (palette.size() > 1 << bitsPerBlock) {
bitsPerBlock += 1;
}
long maxEntryValue = (1L << bitsPerBlock) - 1;
output.writeByte(bitsPerBlock);
// Write pallet (or not)
Type.VAR_INT.write(output, palette.size());
for (int mappedId : palette) {
Type.VAR_INT.write(output, mappedId);
}
int length = (int) Math.ceil(SIZE * bitsPerBlock / 64.0);
Type.VAR_INT.write(output, length);
long[] data = new long[length];
for (int index = 0; index < blocks.length; index++) {
int value = blocks[index];
int bitIndex = index * bitsPerBlock;
int startIndex = bitIndex / 64;
int endIndex = ((index + 1) * bitsPerBlock - 1) / 64;
int startBitSubIndex = bitIndex % 64;
data[startIndex] = data[startIndex] & ~(maxEntryValue << startBitSubIndex) | ((long) value & maxEntryValue) << startBitSubIndex;
if (startIndex != endIndex) {
int endBitSubIndex = 64 - startBitSubIndex;
data[endIndex] = data[endIndex] >>> endBitSubIndex << endBitSubIndex | ((long) value & maxEntryValue) >> endBitSubIndex;
}
}
for (long l : data) {
output.writeLong(l);
}
}
@Override
public void writeBlocks1_13(ByteBuf output) throws Exception {
// Write bits per block
int bitsPerBlock = 4;
while (palette.size() > 1 << bitsPerBlock) {
bitsPerBlock++;
}
boolean directPalette = false;
if (bitsPerBlock >= 9) {
bitsPerBlock = 14;
directPalette = true;
}
long maxEntryValue = (1L << bitsPerBlock) - 1;
output.writeByte(bitsPerBlock);
// Write pallet (or not)
if (!directPalette) {
Type.VAR_INT.write(output, palette.size());
for (int mappedId : palette) {
Type.VAR_INT.write(output, mappedId);
}
}
int length = (int) Math.ceil(SIZE * bitsPerBlock / 64.0);
Type.VAR_INT.write(output, length);
long[] data = new long[length];
for (int index = 0; index < blocks.length; index++) {
int value = directPalette ? palette.get(blocks[index]) : blocks[index];
int bitIndex = index * bitsPerBlock;
int startIndex = bitIndex / 64;
int endIndex = ((index + 1) * bitsPerBlock - 1) / 64;
int startBitSubIndex = bitIndex % 64;
data[startIndex] = data[startIndex] & ~(maxEntryValue << startBitSubIndex) | ((long) value & maxEntryValue) << startBitSubIndex;
if (startIndex != endIndex) {
int endBitSubIndex = 64 - startBitSubIndex;
data[endIndex] = data[endIndex] >>> endBitSubIndex << endBitSubIndex | ((long) value & maxEntryValue) >> endBitSubIndex;
}
}
for (long l : data) {
output.writeLong(l);
}
}
/**
* Write the block light to a buffer
*
* @param output The buffer to write to
*/
@Override
public void writeBlockLight(ByteBuf output) {
output.writeBytes(blockLight.getHandle());
}
/**
* Write the sky light to a buffer
*
* @param output The buffer to write to
*/
@Override
public void writeSkyLight(ByteBuf output) {
output.writeBytes(skyLight.getHandle());
}
/**
* Check if sky light is present
*
* @return True if skylight is present
*/
@Override
public boolean hasSkyLight() {
return skyLight != null;
}
@Override
public List<Integer> getPalette() {
return palette;
}
}

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@ -31,31 +31,32 @@ public class WorldPackets {
wrapper.write(new Chunk1_14Type(clientWorld), chunk);
for (ChunkSection section : chunk.getSections()) {
if (section != null) {
boolean hasBlock = false;
for (int i = 0; i < section.getPalette().size(); i++) {
int old = section.getPalette().get(i);
if (!hasBlock && !(old == 0 || old == 8591 || old == 8592)) { // air, void_air, cave_air
hasBlock = true;
}
int newId = Protocol1_14To1_13_2.getNewBlockStateId(old);
section.getPalette().set(i, newId);
if (section == null) continue;
boolean hasBlock = false;
for (int i = 0; i < section.getPalette().size(); i++) {
int old = section.getPalette().get(i);
if (!hasBlock && !(old == 0 || old == 8591 || old == 8592)) { // air, void_air, cave_air
hasBlock = true;
}
if (hasBlock) {
int nonAirBlockCount = 0;
for (int x = 0; x < 16; x++) {
for (int y = 0; y < 16; y++) {
for (int z = 0; z < 16; z++) {
int id = section.getBlock(x, y, z);
if (id == 0 || id == 8591 || id == 8592) {
nonAirBlockCount++;
}
}
int newId = Protocol1_14To1_13_2.getNewBlockStateId(old);
section.getPalette().set(i, newId);
}
if (!hasBlock) {
section.setNonAirBlocksCount(0);
continue;
}
int nonAirBlockCount = 0;
for (int x = 0; x < 16; x++) {
for (int y = 0; y < 16; y++) {
for (int z = 0; z < 16; z++) {
int id = section.getFlatBlock(x, y, z);
if (id == 0 || id == 8591 || id == 8592) {
nonAirBlockCount++;
}
}
section.setNonAirBlocksCount(nonAirBlockCount);
}
}
section.setNonAirBlocksCount(nonAirBlockCount);
}
PacketWrapper lightPacket = wrapper.create(0x57);

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@ -1,373 +0,0 @@
package us.myles.ViaVersion.protocols.protocol1_9_1_2to1_9_3_4.chunks;
import com.google.common.collect.Lists;
import io.netty.buffer.ByteBuf;
import lombok.Getter;
import lombok.Setter;
import us.myles.ViaVersion.api.minecraft.chunks.ChunkSection;
import us.myles.ViaVersion.api.minecraft.chunks.NibbleArray;
import us.myles.ViaVersion.api.type.Type;
import java.util.List;
public class ChunkSection1_9_3_4 implements ChunkSection {
@Getter
@Setter
private int nonAirBlocksCount;
/**
* Size (dimensions) of blocks in a chunks section.
*/
public static final int SIZE = 16 * 16 * 16; // width * depth * height
/**
* Length of the sky and block light nibble arrays.
*/
public static final int LIGHT_LENGTH = 16 * 16 * 16 / 2; // size * size * size / 2 (nibble bit count)
/**
* Length of the block data array.
*/
private final List<Integer> palette = Lists.newArrayList();
private final int[] blocks;
private final NibbleArray blockLight;
private NibbleArray skyLight;
public ChunkSection1_9_3_4() {
this.blocks = new int[SIZE];
this.blockLight = new NibbleArray(SIZE);
palette.add(0); // AIR
}
/**
* Set a block in the chunks
*
* @param x Block X
* @param y Block Y
* @param z Block Z
* @param type The type of the block
* @param data The data value of the block
*/
public void setBlock(int x, int y, int z, int type, int data) {
setBlock(index(x, y, z), type, data);
}
/**
* Set a flat block in the chunks
*
* @param x Block X
* @param y Block Y
* @param z Block Z
* @param type The type of the block
*/
@Override
public void setFlatBlock(int x, int y, int z, int type) {
int index = palette.indexOf(type);
if (index == -1) {
index = palette.size();
palette.add(type);
}
blocks[index(x, y, z)] = index;
}
public int getBlockId(int x, int y, int z) {
return getBlock(x, y, z) >> 4;
}
public int getBlock(int x, int y, int z) {
int index = blocks[index(x, y, z)];
return palette.get(index);
}
/**
* Set a block in the chunks based on the index
*
* @param idx Index
* @param type The type of the block
* @param data The data value of the block
*/
public void setBlock(int idx, int type, int data) {
int hash = type << 4 | (data & 0xF);
int index = palette.indexOf(hash);
if (index == -1) {
index = palette.size();
palette.add(hash);
}
blocks[idx] = index;
}
/**
* Set the block light array
*
* @param data The value to set the block light to
*/
public void setBlockLight(byte[] data) {
blockLight.setHandle(data);
}
/**
* Set the sky light array
*
* @param data The value to set the sky light to
*/
public void setSkyLight(byte[] data) {
if (data.length != LIGHT_LENGTH) throw new IllegalArgumentException("Data length != " + LIGHT_LENGTH);
this.skyLight = new NibbleArray(data);
}
private int index(int x, int y, int z) {
return y << 8 | z << 4 | x;
}
/**
* Read blocks from input stream.
* This reads all the block related data:
* <ul>
* <li>Block length/palette type</li>
* <li>Palette</li>
* <li>Block hashes/palette reference</li>
* </ul>
*
* @param input The buffer to read from.
* @throws Exception If it fails to read
*/
public void readBlocks(ByteBuf input) throws Exception {
palette.clear();
// Read bits per block
int bitsPerBlock = input.readUnsignedByte();
long maxEntryValue = (1L << bitsPerBlock) - 1;
if (bitsPerBlock == 0) {
bitsPerBlock = 13;
}
if (bitsPerBlock < 4) {
bitsPerBlock = 4;
}
if (bitsPerBlock > 8) {
bitsPerBlock = 13;
}
int paletteLength = Type.VAR_INT.read(input);
// Read palette
for (int i = 0; i < paletteLength; i++) {
if (bitsPerBlock != 13) {
palette.add(Type.VAR_INT.read(input));
} else {
Type.VAR_INT.read(input);
}
}
// Read blocks
//Long[] blockData = Type.LONG_ARRAY.read(input);
long[] blockData = new long[Type.VAR_INT.read(input)];
for (int i = 0; i < blockData.length; i++) {
blockData[i] = input.readLong();
}
if (blockData.length > 0) {
for (int i = 0; i < blocks.length; i++) {
int bitIndex = i * bitsPerBlock;
int startIndex = bitIndex / 64;
int endIndex = ((i + 1) * bitsPerBlock - 1) / 64;
int startBitSubIndex = bitIndex % 64;
int val;
if (startIndex == endIndex) {
val = (int) (blockData[startIndex] >>> startBitSubIndex & maxEntryValue);
} else {
int endBitSubIndex = 64 - startBitSubIndex;
val = (int) ((blockData[startIndex] >>> startBitSubIndex | blockData[endIndex] << endBitSubIndex) & maxEntryValue);
}
if (bitsPerBlock == 13) {
int type = val >> 4;
int data = val & 0xF;
setBlock(i, type, data);
} else {
blocks[i] = val;
}
}
}
}
/**
* Read block light from buffer.
*
* @param input The buffer to read from
*/
public void readBlockLight(ByteBuf input) {
byte[] handle = new byte[LIGHT_LENGTH];
input.readBytes(handle);
blockLight.setHandle(handle);
}
/**
* Read sky light from buffer.
* Note: Only sent in overworld!
*
* @param input The buffer to read from
*/
public void readSkyLight(ByteBuf input) {
byte[] handle = new byte[LIGHT_LENGTH];
input.readBytes(handle);
if (skyLight != null) {
skyLight.setHandle(handle);
return;
}
this.skyLight = new NibbleArray(handle);
}
/**
* Write the blocks to a buffer.
*
* @param output The buffer to write to.
* @throws Exception Throws if it failed to write.
*/
public void writeBlocks(ByteBuf output) throws Exception {
// Write bits per block
int bitsPerBlock = 4;
while (palette.size() > 1 << bitsPerBlock) {
bitsPerBlock += 1;
}
long maxEntryValue = (1L << bitsPerBlock) - 1;
output.writeByte(bitsPerBlock);
// Write pallet (or not)
Type.VAR_INT.write(output, palette.size());
for (int mappedId : palette) {
Type.VAR_INT.write(output, mappedId);
}
int length = (int) Math.ceil(SIZE * bitsPerBlock / 64.0);
Type.VAR_INT.write(output, length);
long[] data = new long[length];
for (int index = 0; index < blocks.length; index++) {
int value = blocks[index];
int bitIndex = index * bitsPerBlock;
int startIndex = bitIndex / 64;
int endIndex = ((index + 1) * bitsPerBlock - 1) / 64;
int startBitSubIndex = bitIndex % 64;
data[startIndex] = data[startIndex] & ~(maxEntryValue << startBitSubIndex) | ((long) value & maxEntryValue) << startBitSubIndex;
if (startIndex != endIndex) {
int endBitSubIndex = 64 - startBitSubIndex;
data[endIndex] = data[endIndex] >>> endBitSubIndex << endBitSubIndex | ((long) value & maxEntryValue) >> endBitSubIndex;
}
}
for (long l : data) {
output.writeLong(l);
}
}
@Override
public void writeBlocks1_13(ByteBuf output) throws Exception {
// Write bits per block
int bitsPerBlock = 4;
while (palette.size() > 1 << bitsPerBlock) {
bitsPerBlock++;
}
boolean directPalette = false;
if (bitsPerBlock >= 9) {
bitsPerBlock = 14;
directPalette = true;
}
long maxEntryValue = (1L << bitsPerBlock) - 1;
output.writeByte(bitsPerBlock);
// Write pallet (or not)
if (!directPalette) {
Type.VAR_INT.write(output, palette.size());
for (int mappedId : palette) {
Type.VAR_INT.write(output, mappedId);
}
}
int length = (int) Math.ceil(SIZE * bitsPerBlock / 64.0);
Type.VAR_INT.write(output, length);
long[] data = new long[length];
for (int index = 0; index < blocks.length; index++) {
int value = directPalette ? palette.get(blocks[index]) : blocks[index];
int bitIndex = index * bitsPerBlock;
int startIndex = bitIndex / 64;
int endIndex = ((index + 1) * bitsPerBlock - 1) / 64;
int startBitSubIndex = bitIndex % 64;
data[startIndex] = data[startIndex] & ~(maxEntryValue << startBitSubIndex) | ((long) value & maxEntryValue) << startBitSubIndex;
if (startIndex != endIndex) {
int endBitSubIndex = 64 - startBitSubIndex;
data[endIndex] = data[endIndex] >>> endBitSubIndex << endBitSubIndex | ((long) value & maxEntryValue) >> endBitSubIndex;
}
}
for (long l : data) {
output.writeLong(l);
}
}
/**
* Write the block light to a buffer
*
* @param output The buffer to write to
*/
public void writeBlockLight(ByteBuf output) {
output.writeBytes(blockLight.getHandle());
}
/**
* Write the sky light to a buffer
*
* @param output The buffer to write to
*/
public void writeSkyLight(ByteBuf output) {
output.writeBytes(skyLight.getHandle());
}
/**
* Check if sky light is present
*
* @return True if skylight is present
*/
public boolean hasSkyLight() {
return skyLight != null;
}
/**
* Get expected size of this chunks section.
*
* @return Amount of bytes sent by this section
* @throws Exception If it failed to calculate bits properly
*/
public int getExpectedSize() throws Exception {
int bitsPerBlock = palette.size() > 255 ? 16 : 8;
int bytes = 1; // bits per block
bytes += paletteBytes(); // palette
bytes += countBytes(bitsPerBlock == 16 ? SIZE * 2 : SIZE); // block data length
bytes += (palette.size() > 255 ? 2 : 1) * SIZE; // block data
bytes += LIGHT_LENGTH; // block light
bytes += hasSkyLight() ? LIGHT_LENGTH : 0; // sky light
return bytes;
}
private int paletteBytes() throws Exception {
// Count bytes used by pallet
int bytes = countBytes(palette.size());
for (int mappedId : palette) {
bytes += countBytes(mappedId);
}
return bytes;
}
private int countBytes(int value) throws Exception {
// Count amount of bytes that would be sent if the value were sent as a VarInt
if ((value & (~0 << 7)) == 0)
return 1;
if ((value & (~0 << 14)) == 0)
return 2;
if ((value & (~0 << 21)) == 0)
return 3;
if ((value & (~0 << 28)) == 0)
return 4;
return 5;
}
@Override
public List<Integer> getPalette() {
return palette;
}
}

Datei anzeigen

@ -1,365 +0,0 @@
package us.myles.ViaVersion.protocols.protocol1_9_3to1_9_1_2.chunks;
import com.google.common.collect.Lists;
import io.netty.buffer.ByteBuf;
import lombok.Getter;
import lombok.Setter;
import us.myles.ViaVersion.api.minecraft.chunks.ChunkSection;
import us.myles.ViaVersion.api.minecraft.chunks.NibbleArray;
import us.myles.ViaVersion.api.type.Type;
import java.util.List;
public class ChunkSection1_9_1_2 implements ChunkSection {
@Getter
@Setter
private int nonAirBlocksCount;
/**
* Size (dimensions) of blocks in a chunks section.
*/
public static final int SIZE = 16 * 16 * 16; // width * depth * height
/**
* Length of the sky and block light nibble arrays.
*/
public static final int LIGHT_LENGTH = 16 * 16 * 16 / 2; // size * size * size / 2 (nibble bit count)
/**
* Length of the block data array.
*/
private final List<Integer> palette = Lists.newArrayList();
private final int[] blocks;
private final NibbleArray blockLight;
private NibbleArray skyLight;
public ChunkSection1_9_1_2() {
this.blocks = new int[SIZE];
this.blockLight = new NibbleArray(SIZE);
palette.add(0); // AIR
}
/**
* Set a block in the chunks
*
* @param x Block X
* @param y Block Y
* @param z Block Z
* @param type The type of the block
* @param data The data value of the block
*/
public void setBlock(int x, int y, int z, int type, int data) {
setBlock(index(x, y, z), type, data);
}
@Override
public void setFlatBlock(int x, int y, int z, int type) {
int index = palette.indexOf(type);
if (index == -1) {
index = palette.size();
palette.add(type);
}
blocks[index(x, y, z)] = index;
}
public int getBlockId(int x, int y, int z) {
return getBlock(x, y, z) >> 4;
}
public int getBlock(int x, int y, int z) {
int index = blocks[index(x, y, z)];
return palette.get(index);
}
/**
* Set a block in the chunks based on the index
*
* @param idx Index
* @param type The type of the block
* @param data The data value of the block
*/
public void setBlock(int idx, int type, int data) {
int hash = type << 4 | (data & 0xF);
int index = palette.indexOf(hash);
if (index == -1) {
index = palette.size();
palette.add(hash);
}
blocks[idx] = index;
}
/**
* Set the block light array
*
* @param data The value to set the block light to
*/
public void setBlockLight(byte[] data) {
blockLight.setHandle(data);
}
/**
* Set the sky light array
*
* @param data The value to set the sky light to
*/
public void setSkyLight(byte[] data) {
if (data.length != LIGHT_LENGTH) throw new IllegalArgumentException("Data length != " + LIGHT_LENGTH);
this.skyLight = new NibbleArray(data);
}
private int index(int x, int y, int z) {
return y << 8 | z << 4 | x;
}
/**
* Read blocks from input stream.
* This reads all the block related data:
* <ul>
* <li>Block length/palette type</li>
* <li>Palette</li>
* <li>Block hashes/palette reference</li>
* </ul>
*
* @param input The buffer to read from.
* @throws Exception If it failed to read properly
*/
public void readBlocks(ByteBuf input) throws Exception {
palette.clear();
// Reaad bits per block
int bitsPerBlock = input.readUnsignedByte();
long maxEntryValue = (1L << bitsPerBlock) - 1;
if (bitsPerBlock == 0) {
bitsPerBlock = 13;
}
if (bitsPerBlock < 4) {
bitsPerBlock = 4;
}
if (bitsPerBlock > 8) {
bitsPerBlock = 13;
}
int paletteLength = Type.VAR_INT.read(input);
// Read palette
for (int i = 0; i < paletteLength; i++) {
if (bitsPerBlock != 13) {
palette.add(Type.VAR_INT.read(input));
} else {
Type.VAR_INT.read(input);
}
}
// Read blocks
// Long[] blockData = Type.LONG_ARRAY.read(input);
long[] blockData = new long[Type.VAR_INT.read(input)];
for (int i = 0; i < blockData.length; i++) {
blockData[i] = input.readLong();
}
if (blockData.length > 0) {
for (int i = 0; i < blocks.length; i++) {
int bitIndex = i * bitsPerBlock;
int startIndex = bitIndex / 64;
int endIndex = ((i + 1) * bitsPerBlock - 1) / 64;
int startBitSubIndex = bitIndex % 64;
int val;
if (startIndex == endIndex) {
val = (int) (blockData[startIndex] >>> startBitSubIndex & maxEntryValue);
} else {
int endBitSubIndex = 64 - startBitSubIndex;
val = (int) ((blockData[startIndex] >>> startBitSubIndex | blockData[endIndex] << endBitSubIndex) & maxEntryValue);
}
if (bitsPerBlock == 13) {
int type = val >> 4;
int data = val & 0xF;
setBlock(i, type, data);
} else {
blocks[i] = val;
}
}
}
}
/**
* Read block light from buffer.
*
* @param input The buffer to read from
*/
public void readBlockLight(ByteBuf input) {
byte[] handle = new byte[LIGHT_LENGTH];
input.readBytes(handle);
blockLight.setHandle(handle);
}
/**
* Read sky light from buffer.
* Note: Only sent in overworld!
*
* @param input The buffer to read from
*/
public void readSkyLight(ByteBuf input) {
byte[] handle = new byte[LIGHT_LENGTH];
input.readBytes(handle);
if (skyLight != null) {
skyLight.setHandle(handle);
return;
}
this.skyLight = new NibbleArray(handle);
}
/**
* Write the blocks to a buffer.
*
* @param output The buffer to write to.
* @throws Exception Throws if it failed to write.
*/
public void writeBlocks(ByteBuf output) throws Exception {
// Write bits per block
int bitsPerBlock = 4;
while (palette.size() > 1 << bitsPerBlock) {
bitsPerBlock += 1;
}
long maxEntryValue = (1L << bitsPerBlock) - 1;
output.writeByte(bitsPerBlock);
// Write pallet (or not)
Type.VAR_INT.write(output, palette.size());
for (int mappedId : palette) {
Type.VAR_INT.write(output, mappedId);
}
int length = (int) Math.ceil(SIZE * bitsPerBlock / 64.0);
Type.VAR_INT.write(output, length);
long[] data = new long[length];
for (int index = 0; index < blocks.length; index++) {
int value = blocks[index];
int bitIndex = index * bitsPerBlock;
int startIndex = bitIndex / 64;
int endIndex = ((index + 1) * bitsPerBlock - 1) / 64;
int startBitSubIndex = bitIndex % 64;
data[startIndex] = data[startIndex] & ~(maxEntryValue << startBitSubIndex) | ((long) value & maxEntryValue) << startBitSubIndex;
if (startIndex != endIndex) {
int endBitSubIndex = 64 - startBitSubIndex;
data[endIndex] = data[endIndex] >>> endBitSubIndex << endBitSubIndex | ((long) value & maxEntryValue) >> endBitSubIndex;
}
}
for (long l : data) {
output.writeLong(l);
}
}
@Override
public void writeBlocks1_13(ByteBuf output) throws Exception {
// Write bits per block
int bitsPerBlock = 4;
while (palette.size() > 1 << bitsPerBlock) {
bitsPerBlock++;
}
boolean directPalette = false;
if (bitsPerBlock >= 9) {
bitsPerBlock = 14;
directPalette = true;
}
long maxEntryValue = (1L << bitsPerBlock) - 1;
output.writeByte(bitsPerBlock);
// Write pallet (or not)
if (!directPalette) {
Type.VAR_INT.write(output, palette.size());
for (int mappedId : palette) {
Type.VAR_INT.write(output, mappedId);
}
}
int length = (int) Math.ceil(SIZE * bitsPerBlock / 64.0);
Type.VAR_INT.write(output, length);
long[] data = new long[length];
for (int index = 0; index < blocks.length; index++) {
int value = directPalette ? palette.get(blocks[index]) : blocks[index];
int bitIndex = index * bitsPerBlock;
int startIndex = bitIndex / 64;
int endIndex = ((index + 1) * bitsPerBlock - 1) / 64;
int startBitSubIndex = bitIndex % 64;
data[startIndex] = data[startIndex] & ~(maxEntryValue << startBitSubIndex) | ((long) value & maxEntryValue) << startBitSubIndex;
if (startIndex != endIndex) {
int endBitSubIndex = 64 - startBitSubIndex;
data[endIndex] = data[endIndex] >>> endBitSubIndex << endBitSubIndex | ((long) value & maxEntryValue) >> endBitSubIndex;
}
}
for (long l : data) {
output.writeLong(l);
}
}
/**
* Write the block light to a buffer
*
* @param output The buffer to write to
*/
public void writeBlockLight(ByteBuf output) {
output.writeBytes(blockLight.getHandle());
}
/**
* Write the sky light to a buffer
*
* @param output The buffer to write to
*/
public void writeSkyLight(ByteBuf output) {
output.writeBytes(skyLight.getHandle());
}
@Override
public List<Integer> getPalette() {
return palette;
}
/**
* Check if sky light is present
*
* @return True if skylight is present
*/
public boolean hasSkyLight() {
return skyLight != null;
}
/**
* Get expected size of this chunks section.
*
* @return Amount of bytes sent by this section
* @throws Exception If it failed to calculate bits properly
*/
public int getExpectedSize() throws Exception {
int bitsPerBlock = palette.size() > 255 ? 16 : 8;
int bytes = 1; // bits per block
bytes += paletteBytes(); // palette
bytes += countBytes(bitsPerBlock == 16 ? SIZE * 2 : SIZE); // block data length
bytes += (palette.size() > 255 ? 2 : 1) * SIZE; // block data
bytes += LIGHT_LENGTH; // block light
bytes += hasSkyLight() ? LIGHT_LENGTH : 0; // sky light
return bytes;
}
private int paletteBytes() throws Exception {
// Count bytes used by pallet
int bytes = countBytes(palette.size());
for (int mappedId : palette) {
bytes += countBytes(mappedId);
}
return bytes;
}
private int countBytes(int value) throws Exception {
// Count amount of bytes that would be sent if the value were sent as a VarInt
if ((value & (~0 << 7)) == 0)
return 1;
if ((value & (~0 << 14)) == 0)
return 2;
if ((value & (~0 << 21)) == 0)
return 3;
if ((value & (~0 << 28)) == 0)
return 4;
return 5;
}
}

Datei anzeigen

@ -1,268 +0,0 @@
package us.myles.ViaVersion.protocols.protocol1_9to1_8.chunks;
import com.google.common.collect.Lists;
import io.netty.buffer.ByteBuf;
import lombok.Getter;
import lombok.Setter;
import us.myles.ViaVersion.api.minecraft.chunks.ChunkSection;
import us.myles.ViaVersion.api.minecraft.chunks.NibbleArray;
import us.myles.ViaVersion.api.type.Type;
import java.util.List;
public class ChunkSection1_9to1_8 implements ChunkSection {
@Getter
@Setter
private int nonAirBlocksCount;
/**
* Size (dimensions) of blocks in a chunks section.
*/
public static final int SIZE = 16 * 16 * 16; // width * depth * height
/**
* Length of the sky and block light nibble arrays.
*/
public static final int LIGHT_LENGTH = 16 * 16 * 16 / 2; // size * size * size / 2 (nibble bit count)
/**
* Length of the block data array.
*/
private final List<Integer> palette = Lists.newArrayList();
private final int[] blocks;
private final NibbleArray blockLight;
private NibbleArray skyLight;
public ChunkSection1_9to1_8() {
this.blocks = new int[SIZE];
this.blockLight = new NibbleArray(SIZE);
palette.add(0); // AIR
}
/**
* Set a block in the chunks
*
* @param x Block X
* @param y Block Y
* @param z Block Z
* @param type The type of the block
* @param data The data value of the block
*/
public void setBlock(int x, int y, int z, int type, int data) {
setBlock(index(x, y, z), type, data);
}
@Override
public void setFlatBlock(int x, int y, int z, int type) {
int index = palette.indexOf(type);
if (index == -1) {
index = palette.size();
palette.add(type);
}
blocks[index(x, y, z)] = index;
}
public int getBlockId(int x, int y, int z) {
return getBlock(x, y, z) >> 4;
}
public int getBlock(int x, int y, int z) {
int index = blocks[index(x, y, z)];
return palette.get(index);
}
/**
* Set a block in the chunks based on the index
*
* @param idx Index
* @param type The type of the block
* @param data The data value of the block
*/
public void setBlock(int idx, int type, int data) {
int hash = type << 4 | (data & 0xF);
int index = palette.indexOf(hash);
if (index == -1) {
index = palette.size();
palette.add(hash);
}
blocks[idx] = index;
}
/**
* Set the block light array
*
* @param data The value to set the block light to
*/
public void setBlockLight(byte[] data) {
blockLight.setHandle(data);
}
/**
* Set the sky light array
*
* @param data The value to set the sky light to
*/
public void setSkyLight(byte[] data) {
if (data.length != LIGHT_LENGTH) throw new IllegalArgumentException("Data length != " + LIGHT_LENGTH);
this.skyLight = new NibbleArray(data);
}
private int index(int x, int y, int z) {
return y << 8 | z << 4 | x;
}
/**
* Write the blocks to a buffer.
*
* @param output The buffer to write to.
* @throws Exception Throws if it failed to write.
*/
public void writeBlocks(ByteBuf output) throws Exception {
// Write bits per block
int bitsPerBlock = 4;
while (palette.size() > 1 << bitsPerBlock) {
bitsPerBlock += 1;
}
long maxEntryValue = (1L << bitsPerBlock) - 1;
output.writeByte(bitsPerBlock);
// Write pallet (or not)
Type.VAR_INT.write(output, palette.size());
for (int mappedId : palette) {
Type.VAR_INT.write(output, mappedId);
}
int length = (int) Math.ceil(SIZE * bitsPerBlock / 64.0);
Type.VAR_INT.write(output, length);
long[] data = new long[length];
for (int index = 0; index < blocks.length; index++) {
int value = blocks[index];
int bitIndex = index * bitsPerBlock;
int startIndex = bitIndex / 64;
int endIndex = ((index + 1) * bitsPerBlock - 1) / 64;
int startBitSubIndex = bitIndex % 64;
data[startIndex] = data[startIndex] & ~(maxEntryValue << startBitSubIndex) | ((long) value & maxEntryValue) << startBitSubIndex;
if (startIndex != endIndex) {
int endBitSubIndex = 64 - startBitSubIndex;
data[endIndex] = data[endIndex] >>> endBitSubIndex << endBitSubIndex | ((long) value & maxEntryValue) >> endBitSubIndex;
}
}
for (long l : data) {
output.writeLong(l);
}
}
@Override
public void writeBlocks1_13(ByteBuf output) throws Exception {
// Write bits per block
int bitsPerBlock = 4;
while (palette.size() > 1 << bitsPerBlock) {
bitsPerBlock++;
}
boolean directPalette = false;
if (bitsPerBlock >= 9) {
bitsPerBlock = 14;
directPalette = true;
}
long maxEntryValue = (1L << bitsPerBlock) - 1;
output.writeByte(bitsPerBlock);
// Write pallet (or not)
if (!directPalette) {
Type.VAR_INT.write(output, palette.size());
for (int mappedId : palette) {
Type.VAR_INT.write(output, mappedId);
}
}
int length = (int) Math.ceil(SIZE * bitsPerBlock / 64.0);
Type.VAR_INT.write(output, length);
long[] data = new long[length];
for (int index = 0; index < blocks.length; index++) {
int value = directPalette ? palette.get(blocks[index]) : blocks[index];
int bitIndex = index * bitsPerBlock;
int startIndex = bitIndex / 64;
int endIndex = ((index + 1) * bitsPerBlock - 1) / 64;
int startBitSubIndex = bitIndex % 64;
data[startIndex] = data[startIndex] & ~(maxEntryValue << startBitSubIndex) | ((long) value & maxEntryValue) << startBitSubIndex;
if (startIndex != endIndex) {
int endBitSubIndex = 64 - startBitSubIndex;
data[endIndex] = data[endIndex] >>> endBitSubIndex << endBitSubIndex | ((long) value & maxEntryValue) >> endBitSubIndex;
}
}
for (long l : data) {
output.writeLong(l);
}
}
/**
* Write the block light to a buffer
*
* @param output The buffer to write to
*/
public void writeBlockLight(ByteBuf output) {
output.writeBytes(blockLight.getHandle());
}
/**
* Write the sky light to a buffer
*
* @param output The buffer to write to
*/
public void writeSkyLight(ByteBuf output) {
output.writeBytes(skyLight.getHandle());
}
@Override
public List<Integer> getPalette() {
return palette;
}
/**
* Check if sky light is present
*
* @return True if skylight is present
*/
public boolean hasSkyLight() {
return skyLight != null;
}
/**
* Get expected size of this chunks section.
*
* @return Amount of bytes sent by this section
* @throws Exception If it failed to calculate bits properly
*/
public int getExpectedSize() throws Exception {
int bitsPerBlock = palette.size() > 255 ? 16 : 8;
int bytes = 1; // bits per block
bytes += paletteBytes(); // palette
bytes += countBytes(bitsPerBlock == 16 ? SIZE * 2 : SIZE); // block data length
bytes += (palette.size() > 255 ? 2 : 1) * SIZE; // block data
bytes += LIGHT_LENGTH; // block light
bytes += hasSkyLight() ? LIGHT_LENGTH : 0; // sky light
return bytes;
}
private int paletteBytes() throws Exception {
// Count bytes used by pallet
int bytes = countBytes(palette.size());
for (int mappedId : palette) {
bytes += countBytes(mappedId);
}
return bytes;
}
private int countBytes(int value) throws Exception {
// Count amount of bytes that would be sent if the value were sent as a VarInt
if ((value & (~0 << 7)) == 0)
return 1;
if ((value & (~0 << 14)) == 0)
return 2;
if ((value & (~0 << 21)) == 0)
return 3;
if ((value & (~0 << 28)) == 0)
return 4;
return 5;
}
}