private static Quaternion T3dRotatorToQuaternion(T3dRotator rotator)
{
// 227 variant:
float cosp = Mathf.Cos(rotator.Pitch * 0.0000479369f);
float cosy = Mathf.Cos(rotator.Yaw * 0.0000479369f);
float cosr = Mathf.Cos(rotator.Roll * 0.0000479369f);
float sinp = Mathf.Sin(rotator.Pitch * 0.0000479369f);
float siny = Mathf.Sin(rotator.Yaw * 0.0000479369f);
float sinr = Mathf.Sin(rotator.Roll * 0.0000479369f);
Quaternion quaternion;
quaternion.w = cosp * cosy * cosr + sinp * siny * sinr;
quaternion.z = sinp * cosy * cosr + cosp * siny * sinr;
quaternion.y = cosp * siny * cosr - sinp * cosy * sinr;
quaternion.x = cosp * cosy * sinr - sinp * siny * cosr;
float L = Mathf.Sqrt(Mathf.Pow(quaternion.w, 2) + Mathf.Pow(quaternion.x, 2) + Mathf.Pow(quaternion.y, 2) + Mathf.Pow(quaternion.z, 2));
quaternion.w /= L;
quaternion.x /= L;
quaternion.y /= L;
quaternion.z /= L;
quaternion.z = -quaternion.z;
return(quaternion);
}
/// <summary>
/// Tries to parse a property.
/// </summary>
/// <param name="line">The line to be parsed (e.g. 'MaxCarcasses=50').</param>
/// <param name="key">The property key.</param>
/// <param name="value">The property value.</param>
/// <returns>True if successful else false.</returns>
private bool TryParseProperty(string line, out string key, out object value)
{
key = null;
value = null;
// find the first occurence of the '=' character.
int splitIndex = line.IndexOf('=');
if (splitIndex == -1)
{
return(false); // early exit.
}
// get key and the value (as string).
key = line.Substring(0, splitIndex);
if (key.Contains(' '))
{
return(false); // properties don't have spaces.
}
string rawvalue = line.Substring(splitIndex + 1);
// determine and parse the value type.
int integer;
float number;
// string value has been detected.
if (rawvalue[0] == '"')
{
// remove quotes.
value = rawvalue.Substring(1, rawvalue.Length - 2);
return(true);
}
// complex struct has been detected.
else if (rawvalue[0] == '(')
{
// rotator has been detected.
if (rawvalue[1] == 'P' || (rawvalue[1] == 'Y' && rawvalue[2] == 'a') || rawvalue[1] == 'R')
{
int pi = rawvalue.IndexOf("Pitch=");
int yi = rawvalue.IndexOf("Yaw=");
int ri = rawvalue.IndexOf("Roll=");
if (pi == -1 && yi == -1 && ri == -1)
{
return(false);
}
int v1 = 0;
int v2 = 0;
int v3 = 0;
// pitch.
if (pi != -1)
{
int len = rawvalue.IndexOf(',', pi);
if (len == -1)
{
len = rawvalue.IndexOf(')', pi);
}
string xs = rawvalue.Substring(pi + 6, len - 1 - 6);
Int32.TryParse(xs, out v1);
}
// yaw.
if (yi != -1)
{
int len = rawvalue.IndexOf(',', yi);
if (len == -1)
{
len = rawvalue.IndexOf(')', yi);
}
string ys = rawvalue.Substring(yi + 4, len - yi - 4);
Int32.TryParse(ys, out v2);
}
// roll.
if (ri != -1)
{
int len = rawvalue.IndexOf(',', ri);
if (len == -1)
{
len = rawvalue.IndexOf(')', ri);
}
string zs = rawvalue.Substring(ri + 5, len - ri - 5);
Int32.TryParse(zs, out v3);
}
value = new T3dRotator(v1, v2, v3);
return(true);
}
// vector has been detected.
if (rawvalue[1] == 'X' || rawvalue[1] == 'Y' || rawvalue[1] == 'Z')
{
int xi = rawvalue.IndexOf("X=");
int yi = rawvalue.IndexOf("Y=");
int zi = rawvalue.IndexOf("Z=");
if (xi == -1 && yi == -1 && zi == -1)
{
return(false);
}
float v1 = 0.0f;
float v2 = 0.0f;
float v3 = 0.0f;
// x-coordinate.
if (xi != -1)
{
int len = rawvalue.IndexOf(',', xi);
if (len == -1)
{
len = rawvalue.IndexOf(')', xi);
}
string xs = rawvalue.Substring(xi + 2, len - 1 - 2);
float.TryParse(xs, out v1);
}
// y-coordinate.
if (yi != -1)
{
int len = rawvalue.IndexOf(',', yi);
if (len == -1)
{
len = rawvalue.IndexOf(')', yi);
}
string ys = rawvalue.Substring(yi + 2, len - yi - 2);
float.TryParse(ys, out v2);
}
// z-coordinate.
if (zi != -1)
{
int len = rawvalue.IndexOf(',', zi);
if (len == -1)
{
len = rawvalue.IndexOf(')', zi);
}
string zs = rawvalue.Substring(zi + 2, len - zi - 2);
float.TryParse(zs, out v3);
}
value = new T3dVector3(v1, v2, v3);
return(true);
}
// scale has been detected.
if (rawvalue[1] == 'S' && rawvalue[2] != 'h')
{
// (Scale=(X=0.173205,Y=0.150000,Z=0.125000),SheerAxis=SHEER_ZX)
string x = rawvalue.Replace("(Scale=", "X=").Replace(",SheerAxis=SHEER_ZX)", "");
string k;
object v;
if (TryParseProperty(x, out k, out v))
{
T3dVector3 vec = (T3dVector3)v;
vec.X = vec.X == 0.0f ? 1.0f : vec.X;
vec.Y = vec.Y == 0.0f ? 1.0f : vec.Y;
vec.Z = vec.Z == 0.0f ? 1.0f : vec.Z;
value = vec; // vector.
return(true);
}
}
}
// floating point number has been detected.
else if (rawvalue.Contains('.') && float.TryParse(rawvalue, out number))
{
value = number;
return(true);
}
// integer number has been detected.
else if (int.TryParse(rawvalue, out integer))
{
value = integer;
return(true);
}
// constant enum has been detected.
else
{
value = rawvalue;
return(true);
}
return(false);
}