SendProp SendPropQuaternion(
const char *pVarName,
int offset,
int sizeofVar,
int nBits, // Number of bits to use when encoding.
int flags,
float fLowValue, // For floating point, low and high values.
float fHighValue, // High value. If HIGH_DEFAULT, it's (1<<nBits).
SendVarProxyFn varProxy
)
{
SendProp ret;
if(varProxy == SendProxy_QuaternionToQuaternion)
{
Assert(sizeofVar == sizeof(Quaternion));
}
if ( nBits == 32 )
flags |= SPROP_NOSCALE;
ret.m_Type = DPT_Quaternion;
ret.m_pVarName = pVarName;
ret.SetOffset( offset );
ret.m_nBits = nBits;
ret.SetFlags( flags );
ret.m_fLowValue = fLowValue;
ret.m_fHighValue = fHighValue;
ret.m_fHighLowMul = AssignRangeMultiplier( ret.m_nBits, ret.m_fHighValue - ret.m_fLowValue );
ret.SetProxyFn( varProxy );
if( ret.GetFlags() & (SPROP_COORD | SPROP_NOSCALE | SPROP_NORMAL | SPROP_COORD_MP | SPROP_COORD_MP_LOWPRECISION | SPROP_COORD_MP_INTEGRAL) )
ret.m_nBits = 0;
return ret;
}
SendProp SendPropFloat(
const char *pVarName,
// Variable name.
int offset, // Offset into container structure.
int sizeofVar,
int nBits, // Number of bits to use when encoding.
int flags,
float fLowValue, // For floating point, low and high values.
float fHighValue, // High value. If HIGH_DEFAULT, it's (1<<nBits).
SendVarProxyFn varProxy
)
{
SendProp ret;
if ( varProxy == SendProxy_FloatToFloat )
{
Assert( sizeofVar == 0 || sizeofVar == 4 );
}
if ( nBits <= 0 || nBits == 32 )
{
flags |= SPROP_NOSCALE;
fLowValue = 0.f;
fHighValue = 0.f;
}
else
{
if(fHighValue == HIGH_DEFAULT)
fHighValue = (1 << nBits);
if (flags & SPROP_ROUNDDOWN)
fHighValue = fHighValue - ((fHighValue - fLowValue) / (1 << nBits));
else if (flags & SPROP_ROUNDUP)
fLowValue = fLowValue + ((fHighValue - fLowValue) / (1 << nBits));
}
ret.m_Type = DPT_Float;
ret.m_pVarName = pVarName;
ret.SetOffset( offset );
ret.m_nBits = nBits;
ret.SetFlags( flags );
ret.m_fLowValue = fLowValue;
ret.m_fHighValue = fHighValue;
ret.m_fHighLowMul = AssignRangeMultiplier( ret.m_nBits, ret.m_fHighValue - ret.m_fLowValue );
ret.SetProxyFn( varProxy );
if( ret.GetFlags() & (SPROP_COORD | SPROP_NOSCALE | SPROP_NORMAL | SPROP_COORD_MP | SPROP_COORD_MP_LOWPRECISION | SPROP_COORD_MP_INTEGRAL ) )
ret.m_nBits = 0;
return ret;
}
SendProp SendPropString(
char *pVarName,
int offset,
int bufferLen,
int flags,
SendVarProxyFn varProxy)
{
SendProp ret;
Assert( bufferLen <= DT_MAX_STRING_BUFFERSIZE ); // You can only have strings with 8-bits worth of length.
ret.m_Type = DPT_String;
ret.m_pVarName = pVarName;
ret.SetOffset( offset );
ret.SetFlags( flags );
ret.SetProxyFn( varProxy );
return ret;
}
SendProp InternalSendPropArray(
const int elementCount,
const int elementStride,
char *pName,
ArrayLengthSendProxyFn arrayLengthFn
)
{
SendProp ret;
ret.m_Type = DPT_Array;
ret.m_nElements = elementCount;
ret.m_ElementStride = elementStride;
ret.m_pVarName = pName;
ret.SetProxyFn( SendProxy_Empty );
ret.m_pArrayProp = NULL; // This gets set in SendTable_InitTable. It always points at the property that precedes
// this one in the datatable's list.
ret.SetArrayLengthProxy( arrayLengthFn );
return ret;
}
SendProp SendPropInt(
char *pVarName,
int offset,
int sizeofVar,
int nBits,
int flags,
SendVarProxyFn varProxy
)
{
SendProp ret;
if ( !varProxy )
{
if ( sizeofVar == 1 )
{
varProxy = SendProxy_Int8ToInt32;
}
else if ( sizeofVar == 2 )
{
varProxy = SendProxy_Int16ToInt32;
}
else if ( sizeofVar == 4 )
{
varProxy = SendProxy_Int32ToInt32;
}
else
{
Assert(!"SendPropInt var has invalid size");
varProxy = SendProxy_Int8ToInt32; // safest one...
}
}
// Figure out # of bits if the want us to.
if ( nBits <= 0 )
{
Assert( sizeofVar == 1 || sizeofVar == 2 || sizeofVar == 4 );
nBits = sizeofVar * 8;
}
ret.m_Type = DPT_Int;
ret.m_pVarName = pVarName;
ret.SetOffset( offset );
ret.m_nBits = nBits;
ret.SetFlags( flags );
// Use UInt proxies if they want unsigned data. This isn't necessary to encode
// the values correctly, but it lets us check the ranges of the data to make sure
// they're valid.
ret.SetProxyFn( varProxy );
if( ret.GetFlags() & SPROP_UNSIGNED )
{
if( varProxy == SendProxy_Int8ToInt32 )
ret.SetProxyFn( SendProxy_UInt8ToInt32 );
else if( varProxy == SendProxy_Int16ToInt32 )
ret.SetProxyFn( SendProxy_UInt16ToInt32 );
else if( varProxy == SendProxy_Int32ToInt32 )
ret.SetProxyFn( SendProxy_UInt32ToInt32 );
}
return ret;
}
