127 lines
2.5 KiB
C#
127 lines
2.5 KiB
C#
using UnityEngine;
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using System.Collections;
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using System;
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public class Packet
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{
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//create a new packet
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public Packet(byte[] data)
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{
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payload = data;
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position = 0;
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}
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public Packet(int size)
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{
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position = 0;
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payload = new byte[size];
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}
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//get the packet type
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public int getType()
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{
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//position = 0;
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return readByte();
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}
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public int size()
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{
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return payload.Length - 1;
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}
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public bool hasNext()
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{
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return position < size();
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}
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//read a byte from a packet buffer
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public int readSignedByte()
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{
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//convert the byte to unsigned
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return (payload[position++]);
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}
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//read a byte from a packet buffer
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public int readByte()
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{
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//convert the byte to unsigned
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position += 1;
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return (0x00000FF & payload[position - 1]);
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}
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//read a short from a pakcet buffer
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public int readShort()
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{
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int si0 = 0x00000FF & payload[position + 1];
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int si1 = 0x000FF00 & (payload[position + 0] << 8);
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position += 2;
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return si0 + si1;
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}
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public int readInt()
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{
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int si0 = 0x00000FF & payload[position + 3];
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int si1 = 0x000FF00 & (payload[position + 2] << 8);
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int si2 = 0x0FF0000 & (payload[position + 1] << 16);
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int si3 = (0x00000FF & payload[position]) << 24;
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position += 4;
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return si0 + si1 + si2 + si3;
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}
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public string readString()
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{
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int length = readByte();
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string data = "";
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for (int i = position; i < position + length; i++)
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{
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if (i < payload.Length)
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{
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data += (char)payload[i];
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}
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}
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position += length;
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return data;
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}
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public string readLongString()
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{
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int length = readInt();
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string data = "";
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for (int i = position; i < position + length; i++)
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{
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if (i < payload.Length)
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{
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data += (char)payload[i];
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}
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}
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position += length;
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return data;
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}
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public float readFloat()
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{
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int value = readInt();
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return (float)value / 100;
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}
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public float readFloat2()
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{
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float value = BitConverter.ToSingle(payload, position);
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position += 4;
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return value;
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}
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public int position;
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//the payload of the packet
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protected byte[] payload;
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}
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