298 lines
8.0 KiB
C#
298 lines
8.0 KiB
C#
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using System;
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using UnityEngine;
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public class DBitConverter
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{
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public static byte[] GetBytes(float s, bool asc)
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{
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int buf = (int)(s * 100);
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return GetBytes(buf, asc);
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}
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public static byte[] GetBytes(short s, bool asc)
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{
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byte[] buf = new byte[2];
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if (asc)
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{
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// 大端序（高位在前）
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for (int i = buf.Length - 1; i >= 0; i--)
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{
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buf[i] = (byte)(s & 0x00ff);
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s >>= 8;
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}
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}
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else
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{
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// 小端序（低位在前）
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for (int i = 0; i < buf.Length; i++)
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{
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buf[i] = (byte)(s & 0x00ff);
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s >>= 8;
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}
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}
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return buf;
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}
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public static byte[] GetBytes(ushort s, bool asc)
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{
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byte[] buf = new byte[2];
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if (asc)
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{
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// 大端序（高位在前）
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for (int i = buf.Length - 1; i >= 0; i--)
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{
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buf[i] = (byte)(s & 0x00ff); // 取最低 8 位
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s >>= 8; // 右移 8 位
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}
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}
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else
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{
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// 小端序（低位在前）
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for (int i = 0; i < buf.Length; i++)
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{
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buf[i] = (byte)(s & 0x00ff); // 取最低 8 位
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s >>= 8; // 右移 8 位
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}
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}
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return buf;
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}
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public static byte[] GetBytes(int s, bool asc)
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{
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byte[] buf = new byte[4];
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if (asc)
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for (int i = buf.Length - 1; i >= 0; i--)
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{
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buf[i] = (byte)(s & 0x000000ff);
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s >>= 8;
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}
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else
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for (int i = 0; i < buf.Length; i++)
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{
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buf[i] = (byte)(s & 0x000000ff);
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s >>= 8;
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}
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return buf;
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}
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public static byte[] GetBytes(uint s, bool asc)
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{
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byte[] buf = new byte[4];
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if (asc)
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{
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// 大端序（高位在前）
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for (int i = buf.Length - 1; i >= 0; i--)
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{
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buf[i] = (byte)(s & 0x000000ff); // 取最低 8 位
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s >>= 8; // 右移 8 位
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}
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}
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else
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{
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// 小端序（低位在前）
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for (int i = 0; i < buf.Length; i++)
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{
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buf[i] = (byte)(s & 0x000000ff); // 取最低 8 位
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s >>= 8; // 右移 8 位
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}
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}
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return buf;
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}
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public static byte[] GetBytes(long s, bool asc)
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{
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byte[] buf = new byte[8];
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if (asc)
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for (int i = buf.Length - 1; i >= 0; i--)
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{
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buf[i] = (byte)(s & 0x00000000000000ff);
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s >>= 8;
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}
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else
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for (int i = 0; i < buf.Length; i++)
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{
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buf[i] = (byte)(s & 0x00000000000000ff);
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s >>= 8;
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}
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return buf;
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}
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public static byte[] GetBytes(byte b)
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{
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byte[] buf = new byte[1];
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buf[0] = b;
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return buf;
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}
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public static byte[] GetBytesInt(int s, bool asc)
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{
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byte[] buf = new byte[4];
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if (asc)
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for (int i = buf.Length - 1; i >= 0; i--)
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{
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buf[i] = (byte)(s & 0x000000ff);
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s >>= 8;
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}
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else
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for (int i = 0; i < buf.Length; i++)
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{
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buf[i] = (byte)(s & 0x000000ff);
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s >>= 8;
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}
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return buf;
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}
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public static float ToFloat(byte[] buf, int startIndex, bool asc)
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{
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int i = ToInt(buf, startIndex, asc);
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float s = (float)i;
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return s / 100;
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}
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public static short ToShort(byte[] buffer, int startIndex, bool asc)
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{
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// 检查输入参数的有效性
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if (buffer == null)
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{
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throw new ArgumentNullException(nameof(buffer), "输入的字节数组不能为 null。");
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}
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if (startIndex < 0 || startIndex > buffer.Length - 2)
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{
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throw new ArgumentOutOfRangeException(nameof(startIndex), "起始索引超出了有效范围。");
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}
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// 获取两个字节
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byte byte1 = buffer[startIndex];
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byte byte2 = buffer[startIndex + 1];
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if (asc) // 大端序
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{
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// 大端序高位字节在前，低位字节在后
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return (short)((byte1 << 8) | byte2);
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}
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else // 小端序
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{
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// 小端序低位字节在前，高位字节在后
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return (short)((byte2 << 8) | byte1);
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}
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}
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public static ushort ToUshort(byte[] buffer, int startIndex, bool asc)
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{
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if (buffer == null)
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{
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Debug.LogError("Buffer Is Null !");
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return 0; // 返回默认值
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}
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if (buffer.Length < startIndex + 2)
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{
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Debug.LogError("Invalid Length , Current Length:" + buffer.Length + " , Need Length : " + (startIndex + 2));
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return 0; // 返回默认值
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}
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ushort r = 0;
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if (!asc)
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{
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// 小端序：从低位字节开始处理
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for (int i = startIndex; i < startIndex + 2; i++)
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{
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r |= (ushort)((buffer[i] & 0x00FF) << (8 * (i - startIndex)));
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}
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}
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else
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{
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// 大端序：从高位字节开始处理
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for (int i = startIndex; i < startIndex + 2; i++)
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{
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r |= (ushort)((buffer[i] & 0x00FF) << (8 * (1 - (i - startIndex))));
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}
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}
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return r;
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}
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public static int ToInt(byte[] buffer, int startIndex, bool asc)
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{
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if (buffer == null)
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{
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Debug.LogError("Buffer Is Null !");
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}
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if (buffer.Length < startIndex + 4)
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{
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Debug.LogError("Invalid Length , Current Length:" + buffer.Length + " , Need Length : " + (startIndex + 4));
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}
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int r = 0;
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if (!asc)
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for (int i = buffer.Length - 1 - 4; i >= startIndex; i--)
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{
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r <<= 8;
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r |= (buffer[i] & 0x000000ff);
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}
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else
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for (int i = startIndex; i < startIndex + 4; i++)
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{
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r <<= 8;
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r |= (buffer[i] & 0x000000ff);
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}
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return r;
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}
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public static uint ToUint(byte[] buffer, int startIndex, bool asc)
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{
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if (buffer == null)
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{
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Debug.LogError("Buffer Is Null !");
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return 0; // 返回默认值
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}
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if (buffer.Length < startIndex + 4)
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{
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Debug.LogError("Invalid Length , Current Length:" + buffer.Length + " , Need Length : " + (startIndex + 4));
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return 0; // 返回默认值
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}
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uint r = 0;
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if (!asc)
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{
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for (int i = buffer.Length - 1 - 4; i >= startIndex; i--)
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{
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r <<= 8;
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r |= (uint)(buffer[i] & 0x000000ff);
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}
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}
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else
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{
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for (int i = startIndex; i < startIndex + 4; i++)
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{
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r <<= 8;
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r |= (uint)(buffer[i] & 0x000000ff);
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}
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}
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return r;
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}
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public static long ToLong(byte[] buffer, int startIndex, bool asc)
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{
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if (buffer == null)
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{
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Debug.LogError("Buffer Is Null !");
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}
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if (buffer.Length < startIndex + 8)
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{
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Debug.LogError("Invalid Length , Current Length:" + buffer.Length + " , Need Length : " + (startIndex + 8));
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}
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long r = 0;
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if (!asc)
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for (int i = buffer.Length - 1 - 8; i >= startIndex; i--)
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{
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r <<= 8;
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r |= (buffer[i] & 0x00000000000000ff);
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}
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else
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for (int i = startIndex; i < startIndex + 8; i++)
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{
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r <<= 8;
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r |= (buffer[i] & 0x00000000000000ff);
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}
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return r;
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}
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}
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