cn.nukkit.utils.VarInt Java Examples
The following examples show how to use
cn.nukkit.utils.VarInt.
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Example #1
Source File: VarIntTest.java From Nukkit with GNU General Public License v3.0 | 5 votes |
@DisplayName("ZigZag") @Test void testZigZag() { assertAll( () -> assertEquals(0x2468acf0, VarInt.encodeZigZag32(0x12345678)), () -> assertEquals(0x2b826b1d, VarInt.encodeZigZag32(0xea3eca71)), () -> assertEquals(0x12345678, VarInt.decodeZigZag32(0x2468acf0)), () -> assertEquals(0xea3eca71, VarInt.decodeZigZag32(0x2b826b1d)), () -> assertEquals(2623536930346282224L, VarInt.encodeZigZag64(0x1234567812345678L)), () -> assertEquals(3135186066796324391L, VarInt.encodeZigZag64(0xea3eca710becececL)), () -> assertEquals(0x1234567812345678L, VarInt.decodeZigZag64(2623536930346282224L)), () -> assertEquals(0xea3eca710becececL, VarInt.decodeZigZag64(3135186066796324391L)) ); }
Example #2
Source File: VarIntTest.java From Nukkit with GNU General Public License v3.0 | 5 votes |
@DisplayName("Reading") @Test void testRead() { assertAll( () -> assertEquals(2412, VarInt.readUnsignedVarInt(wrapBinaryStream("EC123EC456"))), () -> assertEquals(583868, VarInt.readUnsignedVarInt(wrapBinaryStream("BCD123EFA0"))), () -> assertEquals(1206, VarInt.readVarInt(wrapBinaryStream("EC123EC456"))), () -> assertEquals(291934, VarInt.readVarInt(wrapBinaryStream("BCD123EFA0"))), () -> assertEquals(6015, VarInt.readUnsignedVarLong(wrapBinaryStream("FF2EC456EC789EC012EC"))), () -> assertEquals(3694, VarInt.readUnsignedVarLong(wrapBinaryStream("EE1CD34BCD56BCD78BCD"))), () -> assertEquals(-3008, VarInt.readVarLong(wrapBinaryStream("FF2EC456EC789EC012EC"))), () -> assertEquals(1847, VarInt.readVarLong(wrapBinaryStream("EE1CD34BCD56BCD78BCD"))) ); }
Example #3
Source File: VarIntTest.java From Nukkit with GNU General Public License v3.0 | 5 votes |
@DisplayName("Writing") @Test void testWrite() throws IOException { BinaryStream bs = new BinaryStream(); VarInt.writeUnsignedVarInt(bs, 237356812); VarInt.writeVarInt(bs, 0xea3eca71); VarInt.writeUnsignedVarLong(bs, 0x1234567812345678L); VarInt.writeVarLong(bs, 0xea3eca710becececL); assertAll( () -> assertEquals(237356812, VarInt.readUnsignedVarInt(bs)), () -> assertEquals(0xea3eca71, VarInt.readVarInt(bs)), () -> assertEquals(0x1234567812345678L, VarInt.readUnsignedVarLong(bs)), () -> assertEquals(0xea3eca710becececL, VarInt.readVarLong(bs)) ); ByteArrayOutputStream os = new ByteArrayOutputStream(); VarInt.writeUnsignedVarInt(os, 237356812); VarInt.writeVarInt(os, 0xea3eca71); VarInt.writeUnsignedVarLong(os, 0x1234567812345678L); VarInt.writeVarLong(os, 0xea3eca710becececL); ByteArrayInputStream is = new ByteArrayInputStream(os.toByteArray()); assertAll( () -> assertEquals(237356812, VarInt.readUnsignedVarInt(is)), () -> assertEquals(0xea3eca71, VarInt.readVarInt(is)), () -> assertEquals(0x1234567812345678L, VarInt.readUnsignedVarLong(is)), () -> assertEquals(0xea3eca710becececL, VarInt.readVarLong(is)) ); }
Example #4
Source File: VarIntTest.java From Nukkit with GNU General Public License v3.0 | 5 votes |
@DisplayName("ZigZag") @Test void testZigZag() { assertAll( () -> assertEquals(0x2468acf0, VarInt.encodeZigZag32(0x12345678)), () -> assertEquals(0x2b826b1d, VarInt.encodeZigZag32(0xea3eca71)), () -> assertEquals(0x12345678, VarInt.decodeZigZag32(0x2468acf0)), () -> assertEquals(0xea3eca71, VarInt.decodeZigZag32(0x2b826b1d)), () -> assertEquals(2623536930346282224L, VarInt.encodeZigZag64(0x1234567812345678L)), () -> assertEquals(3135186066796324391L, VarInt.encodeZigZag64(0xea3eca710becececL)), () -> assertEquals(0x1234567812345678L, VarInt.decodeZigZag64(2623536930346282224L)), () -> assertEquals(0xea3eca710becececL, VarInt.decodeZigZag64(3135186066796324391L)) ); }
Example #5
Source File: NBTInputStream.java From Nukkit with GNU General Public License v3.0 | 5 votes |
@Override public String readUTF() throws IOException { int length = (int) (network ? VarInt.readUnsignedVarInt(stream) : this.readUnsignedShort()); byte[] bytes = new byte[length]; this.stream.read(bytes); return new String(bytes, StandardCharsets.UTF_8); }
Example #6
Source File: NBTInputStream.java From Nukkit with GNU General Public License v3.0 | 5 votes |
@Override public long readLong() throws IOException { if (network) { return VarInt.readVarLong(this.stream); } long l = this.stream.readLong(); if (endianness == ByteOrder.LITTLE_ENDIAN) { l = Long.reverseBytes(l); } return l; }
Example #7
Source File: NBTInputStream.java From Nukkit with GNU General Public License v3.0 | 5 votes |
@Override public int readInt() throws IOException { if (network) { return VarInt.readVarInt(this.stream); } int i = this.stream.readInt(); if (endianness == ByteOrder.LITTLE_ENDIAN) { i = Integer.reverseBytes(i); } return i; }
Example #8
Source File: NBTOutputStream.java From Nukkit with GNU General Public License v3.0 | 5 votes |
@Override public void writeUTF(String s) throws IOException { byte[] bytes = s.getBytes(StandardCharsets.UTF_8); if (network) { VarInt.writeUnsignedVarInt(stream, bytes.length); } else { this.writeShort(bytes.length); } this.stream.write(bytes); }
Example #9
Source File: NBTOutputStream.java From Nukkit with GNU General Public License v3.0 | 5 votes |
@Override public void writeLong(long v) throws IOException { if (network) { VarInt.writeVarLong(this.stream, v); } else { if (endianness == ByteOrder.LITTLE_ENDIAN) { v = Long.reverseBytes(v); } this.stream.writeLong(v); } }
Example #10
Source File: NBTOutputStream.java From Nukkit with GNU General Public License v3.0 | 5 votes |
@Override public void writeInt(int v) throws IOException { if (network) { VarInt.writeVarInt(this.stream, v); } else { if (endianness == ByteOrder.LITTLE_ENDIAN) { v = Integer.reverseBytes(v); } this.stream.writeInt(v); } }
Example #11
Source File: VarIntTest.java From Nukkit with GNU General Public License v3.0 | 5 votes |
@DisplayName("Reading") @Test void testRead() { assertAll( () -> assertEquals(2412, VarInt.readUnsignedVarInt(wrapBinaryStream("EC123EC456"))), () -> assertEquals(583868, VarInt.readUnsignedVarInt(wrapBinaryStream("BCD123EFA0"))), () -> assertEquals(1206, VarInt.readVarInt(wrapBinaryStream("EC123EC456"))), () -> assertEquals(291934, VarInt.readVarInt(wrapBinaryStream("BCD123EFA0"))), () -> assertEquals(6015, VarInt.readUnsignedVarLong(wrapBinaryStream("FF2EC456EC789EC012EC"))), () -> assertEquals(3694, VarInt.readUnsignedVarLong(wrapBinaryStream("EE1CD34BCD56BCD78BCD"))), () -> assertEquals(-3008, VarInt.readVarLong(wrapBinaryStream("FF2EC456EC789EC012EC"))), () -> assertEquals(1847, VarInt.readVarLong(wrapBinaryStream("EE1CD34BCD56BCD78BCD"))) ); }
Example #12
Source File: VarIntTest.java From Nukkit with GNU General Public License v3.0 | 5 votes |
@DisplayName("Write Sizes") @Test void testSizes() throws IOException { sizeTest(w -> VarInt.writeVarLong(w, 0x7FFFFFFF /* -1 >>> 1 */), 5); sizeTest(w -> VarInt.writeVarInt(w, 0x7FFFFFFF /* -1 >>> 1 */), 5); sizeTest(w -> VarInt.writeVarLong(w, -1), 1); sizeTest(w -> VarInt.writeVarInt(w, -1), 1); }
Example #13
Source File: VarIntTest.java From Nukkit with GNU General Public License v3.0 | 5 votes |
@DisplayName("Writing") @Test void testWrite() throws IOException { BinaryStream bs = new BinaryStream(); VarInt.writeUnsignedVarInt(bs, 237356812); VarInt.writeVarInt(bs, 0xea3eca71); VarInt.writeUnsignedVarLong(bs, 0x1234567812345678L); VarInt.writeVarLong(bs, 0xea3eca710becececL); assertAll( () -> assertEquals(237356812, VarInt.readUnsignedVarInt(bs)), () -> assertEquals(0xea3eca71, VarInt.readVarInt(bs)), () -> assertEquals(0x1234567812345678L, VarInt.readUnsignedVarLong(bs)), () -> assertEquals(0xea3eca710becececL, VarInt.readVarLong(bs)) ); ByteArrayOutputStream os = new ByteArrayOutputStream(); VarInt.writeUnsignedVarInt(os, 237356812); VarInt.writeVarInt(os, 0xea3eca71); VarInt.writeUnsignedVarLong(os, 0x1234567812345678L); VarInt.writeVarLong(os, 0xea3eca710becececL); VarInt.writeVarInt(os, 0x7FFFFFFF); VarInt.writeVarInt(os, -1); ByteArrayInputStream is = new ByteArrayInputStream(os.toByteArray()); assertAll( () -> assertEquals(237356812, VarInt.readUnsignedVarInt(is)), () -> assertEquals(0xea3eca71, VarInt.readVarInt(is)), () -> assertEquals(0x1234567812345678L, VarInt.readUnsignedVarLong(is)), () -> assertEquals(0xea3eca710becececL, VarInt.readVarLong(is)), () -> assertEquals(0x7FFFFFFF, VarInt.readVarInt(is)), () -> assertEquals(-1, VarInt.readVarInt(is)) ); }
Example #14
Source File: NBTOutputStream.java From Jupiter with GNU General Public License v3.0 | 5 votes |
@Override public void writeInt(int v) throws IOException { if (network) { VarInt.writeVarInt(this.stream, v); } else { if (endianness == ByteOrder.LITTLE_ENDIAN) { v = Integer.reverseBytes(v); } this.stream.writeInt(v); } }
Example #15
Source File: Network.java From Nukkit with GNU General Public License v3.0 | 5 votes |
private DataPacket getPacketFromBuffer(byte[] buffer) throws IOException { ByteArrayInputStream stream = new ByteArrayInputStream(buffer); DataPacket pk = this.getPacket((byte) VarInt.readUnsignedVarInt(stream)); if (pk != null) { pk.setBuffer(buffer, buffer.length - stream.available()); } return pk; }
Example #16
Source File: NBTInputStream.java From Nukkit with GNU General Public License v3.0 | 5 votes |
@Override public String readUTF() throws IOException { int length = network ? (int) VarInt.readUnsignedVarInt(stream) : this.readUnsignedShort(); byte[] bytes = new byte[length]; this.stream.read(bytes); return new String(bytes, StandardCharsets.UTF_8); }
Example #17
Source File: NBTInputStream.java From Nukkit with GNU General Public License v3.0 | 5 votes |
@Override public long readLong() throws IOException { if (network) { return VarInt.readVarLong(this.stream); } long l = this.stream.readLong(); if (endianness == ByteOrder.LITTLE_ENDIAN) { l = Long.reverseBytes(l); } return l; }
Example #18
Source File: NBTInputStream.java From Nukkit with GNU General Public License v3.0 | 5 votes |
@Override public int readInt() throws IOException { if (network) { return VarInt.readVarInt(this.stream); } int i = this.stream.readInt(); if (endianness == ByteOrder.LITTLE_ENDIAN) { i = Integer.reverseBytes(i); } return i; }
Example #19
Source File: NBTOutputStream.java From Nukkit with GNU General Public License v3.0 | 5 votes |
@Override public void writeUTF(String s) throws IOException { byte[] bytes = s.getBytes(StandardCharsets.UTF_8); if (network) { VarInt.writeUnsignedVarInt(stream, bytes.length); } else { this.writeShort(bytes.length); } this.stream.write(bytes); }
Example #20
Source File: NBTOutputStream.java From Nukkit with GNU General Public License v3.0 | 5 votes |
@Override public void writeLong(long v) throws IOException { if (network) { VarInt.writeVarLong(this.stream, v); } else { if (endianness == ByteOrder.LITTLE_ENDIAN) { v = Long.reverseBytes(v); } this.stream.writeLong(v); } }
Example #21
Source File: NBTOutputStream.java From Nukkit with GNU General Public License v3.0 | 5 votes |
@Override public void writeInt(int v) throws IOException { if (network) { VarInt.writeVarInt(this.stream, v); } else { if (endianness == ByteOrder.LITTLE_ENDIAN) { v = Integer.reverseBytes(v); } this.stream.writeInt(v); } }
Example #22
Source File: NBTInputStream.java From Jupiter with GNU General Public License v3.0 | 5 votes |
@Override public String readUTF() throws IOException { int length = (int) (network ? VarInt.readUnsignedVarInt(stream) : this.readUnsignedShort()); byte[] bytes = new byte[length]; this.stream.read(bytes); return new String(bytes, StandardCharsets.UTF_8); }
Example #23
Source File: NBTInputStream.java From Jupiter with GNU General Public License v3.0 | 5 votes |
@Override public long readLong() throws IOException { if (network) { return VarInt.readVarLong(this.stream); } long l = this.stream.readLong(); if (endianness == ByteOrder.LITTLE_ENDIAN) { l = Long.reverseBytes(l); } return l; }
Example #24
Source File: NBTInputStream.java From Jupiter with GNU General Public License v3.0 | 5 votes |
@Override public int readInt() throws IOException { if (network) { return VarInt.readVarInt(this.stream); } int i = this.stream.readInt(); if (endianness == ByteOrder.LITTLE_ENDIAN) { i = Integer.reverseBytes(i); } return i; }
Example #25
Source File: NBTOutputStream.java From Jupiter with GNU General Public License v3.0 | 5 votes |
@Override public void writeUTF(String s) throws IOException { byte[] bytes = s.getBytes(StandardCharsets.UTF_8); if (network) { VarInt.writeUnsignedVarInt(stream, bytes.length); } else { this.writeShort(bytes.length); } this.stream.write(bytes); }
Example #26
Source File: NBTOutputStream.java From Jupiter with GNU General Public License v3.0 | 5 votes |
@Override public void writeLong(long v) throws IOException { if (network) { VarInt.writeVarLong(this.stream, v); } else { if (endianness == ByteOrder.LITTLE_ENDIAN) { v = Long.reverseBytes(v); } this.stream.writeLong(v); } }