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/* Ubit 2012
* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
// no endian conversion. So can't be use to pass information around diferent cpus with diferent endian
using System;
using System.IO;
using OpenMetaverse;
namespace OpenSim.Region.Physics.OdePlugin
{
unsafe public class wstreamer
{
byte[] buf;
int index;
byte* src;
public wstreamer()
{
buf = new byte[1024];
index = 0;
}
public wstreamer(int size)
{
buf = new byte[size];
index = 0;
}
public byte[] close()
{
byte[] data = new byte[index];
Buffer.BlockCopy(buf, 0, data, 0, index);
return data;
}
public void Seek(int pos)
{
index = pos;
}
public void Seekrel(int pos)
{
index += pos;
}
public void Wbyte(byte value)
{
buf[index++] = value;
}
public void Wshort(short value)
{
src = (byte*)&value;
buf[index++] = *src++;
buf[index++] = *src;
}
public void Wushort(ushort value)
{
src = (byte*)&value;
buf[index++] = *src++;
buf[index++] = *src;
}
public void Wint(int value)
{
src = (byte*)&value;
buf[index++] = *src++;
buf[index++] = *src++;
buf[index++] = *src++;
buf[index++] = *src;
}
public void Wuint(uint value)
{
src = (byte*)&value;
buf[index++] = *src++;
buf[index++] = *src++;
buf[index++] = *src++;
buf[index++] = *src;
}
public void Wlong(long value)
{
src = (byte*)&value;
buf[index++] = *src++;
buf[index++] = *src++;
buf[index++] = *src++;
buf[index++] = *src++;
buf[index++] = *src++;
buf[index++] = *src++;
buf[index++] = *src++;
buf[index++] = *src;
}
public void Wulong(ulong value)
{
src = (byte*)&value;
buf[index++] = *src++;
buf[index++] = *src++;
buf[index++] = *src++;
buf[index++] = *src++;
buf[index++] = *src++;
buf[index++] = *src++;
buf[index++] = *src++;
buf[index++] = *src;
}
public void Wfloat(float value)
{
src = (byte*)&value;
buf[index++] = *src++;
buf[index++] = *src++;
buf[index++] = *src++;
buf[index++] = *src;
}
public void Wdouble(double value)
{
src = (byte*)&value;
buf[index++] = *src++;
buf[index++] = *src++;
buf[index++] = *src++;
buf[index++] = *src++;
buf[index++] = *src++;
buf[index++] = *src++;
buf[index++] = *src++;
buf[index++] = *src;
}
public void Wvector3(Vector3 value)
{
src = (byte*)&value.X;
buf[index++] = *src++;
buf[index++] = *src++;
buf[index++] = *src++;
buf[index++] = *src;
src = (byte*)&value.Y; // it may have padding ??
buf[index++] = *src++;
buf[index++] = *src++;
buf[index++] = *src++;
buf[index++] = *src;
src = (byte*)&value.Z;
buf[index++] = *src++;
buf[index++] = *src++;
buf[index++] = *src++;
buf[index++] = *src;
}
public void Wquat(Quaternion value)
{
src = (byte*)&value.X;
buf[index++] = *src++;
buf[index++] = *src++;
buf[index++] = *src++;
buf[index++] = *src;
src = (byte*)&value.Y; // it may have padding ??
buf[index++] = *src++;
buf[index++] = *src++;
buf[index++] = *src++;
buf[index++] = *src;
src = (byte*)&value.Z;
buf[index++] = *src++;
buf[index++] = *src++;
buf[index++] = *src++;
buf[index++] = *src;
src = (byte*)&value.W;
buf[index++] = *src++;
buf[index++] = *src++;
buf[index++] = *src++;
buf[index++] = *src;
}
}
unsafe public class rstreamer
{
private byte[] rbuf;
private int ptr;
private byte* dst;
public rstreamer(byte[] data)
{
rbuf = data;
ptr = 0;
}
public void close()
{
}
public void Seek(int pos)
{
ptr = pos;
}
public void Seekrel(int pos)
{
ptr += pos;
}
public byte Rbyte()
{
return (byte)rbuf[ptr++];
}
public short Rshort()
{
short v;
dst = (byte*)&v;
*dst++ = rbuf[ptr++];
*dst = rbuf[ptr++];
return v;
}
public ushort Rushort()
{
ushort v;
dst = (byte*)&v;
*dst++ = rbuf[ptr++];
*dst = rbuf[ptr++];
return v;
}
public int Rint()
{
int v;
dst = (byte*)&v;
*dst++ = rbuf[ptr++];
*dst++ = rbuf[ptr++];
*dst++ = rbuf[ptr++];
*dst = rbuf[ptr++];
return v;
}
public uint Ruint()
{
uint v;
dst = (byte*)&v;
*dst++ = rbuf[ptr++];
*dst++ = rbuf[ptr++];
*dst++ = rbuf[ptr++];
*dst = rbuf[ptr++];
return v;
}
public long Rlong()
{
long v;
dst = (byte*)&v;
*dst++ = rbuf[ptr++];
*dst++ = rbuf[ptr++];
*dst++ = rbuf[ptr++];
*dst++ = rbuf[ptr++];
*dst++ = rbuf[ptr++];
*dst++ = rbuf[ptr++];
*dst++ = rbuf[ptr++];
*dst = rbuf[ptr++];
return v;
}
public ulong Rulong()
{
ulong v;
dst = (byte*)&v;
*dst++ = rbuf[ptr++];
*dst++ = rbuf[ptr++];
*dst++ = rbuf[ptr++];
*dst++ = rbuf[ptr++];
*dst++ = rbuf[ptr++];
*dst++ = rbuf[ptr++];
*dst++ = rbuf[ptr++];
*dst = rbuf[ptr++];
return v;
}
public float Rfloat()
{
float v;
dst = (byte*)&v;
*dst++ = rbuf[ptr++];
*dst++ = rbuf[ptr++];
*dst++ = rbuf[ptr++];
*dst = rbuf[ptr++];
return v;
}
public double Rdouble()
{
double v;
dst = (byte*)&v;
*dst++ = rbuf[ptr++];
*dst++ = rbuf[ptr++];
*dst++ = rbuf[ptr++];
*dst++ = rbuf[ptr++];
*dst++ = rbuf[ptr++];
*dst++ = rbuf[ptr++];
*dst++ = rbuf[ptr++];
*dst = rbuf[ptr++];
return v;
}
public Vector3 Rvector3()
{
Vector3 v;
dst = (byte*)&v.X;
*dst++ = rbuf[ptr++];
*dst++ = rbuf[ptr++];
*dst++ = rbuf[ptr++];
*dst = rbuf[ptr++];
dst = (byte*)&v.Y;
*dst++ = rbuf[ptr++];
*dst++ = rbuf[ptr++];
*dst++ = rbuf[ptr++];
*dst = rbuf[ptr++];
dst = (byte*)&v.Z;
*dst++ = rbuf[ptr++];
*dst++ = rbuf[ptr++];
*dst++ = rbuf[ptr++];
*dst = rbuf[ptr++];
return v;
}
public Quaternion Rquat()
{
Quaternion v;
dst = (byte*)&v.X;
*dst++ = rbuf[ptr++];
*dst++ = rbuf[ptr++];
*dst++ = rbuf[ptr++];
*dst = rbuf[ptr++];
dst = (byte*)&v.Y;
*dst++ = rbuf[ptr++];
*dst++ = rbuf[ptr++];
*dst++ = rbuf[ptr++];
*dst = rbuf[ptr++];
dst = (byte*)&v.Z;
*dst++ = rbuf[ptr++];
*dst++ = rbuf[ptr++];
*dst++ = rbuf[ptr++];
*dst = rbuf[ptr++];
dst = (byte*)&v.W;
*dst++ = rbuf[ptr++];
*dst++ = rbuf[ptr++];
*dst++ = rbuf[ptr++];
*dst = rbuf[ptr++];
return v;
}
}
}
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