/// <summary>
/// Tries to parse a key value line.
/// </summary>
/// <param name="line">The line (e.g. '"editorversion" "400"').</param>
/// <param name="key">The key that was found.</param>
/// <param name="value">The value that was found.</param>
/// <returns>True if successful else false.</returns>
private bool TryParsekeyValue(string line, out string key, out object value)
{
key = "";
value = null;
if (!line.Contains('"'))
{
return(false);
}
if (line.Count(c => c == '"') != 4)
{
return(false); // fixes 'ep1_c17_03.vmf' "rulescript" with newline in the value.
}
int idx = line.IndexOf('"', 1);
key = line.Substring(1, idx - 1);
string rawvalue = line.Substring(idx + 3, line.Length - idx - 4);
if (rawvalue.Length == 0)
{
return(false);
}
string rawvalue_string = rawvalue;
rawvalue = rawvalue.Replace("--", "-"); // fixes 'd2_coast_05.vmf' with "-8 --64 -64" double negative.
rawvalue = System.Text.RegularExpressions.Regex.Replace(rawvalue, @"\s+", " "); // fixes 'd2_prison_07.vmf' having two spaces in a vector declaration.
int vi;
float vf;
// detect plane definition.
if (rawvalue[0] == '(')
{
string[] values = rawvalue.Replace("(", "").Replace(")", "").Split(' ');
VmfVector3 p1 = new VmfVector3(float.Parse(values[0], CultureInfo.InvariantCulture), float.Parse(values[1], CultureInfo.InvariantCulture), float.Parse(values[2], CultureInfo.InvariantCulture));
VmfVector3 p2 = new VmfVector3(float.Parse(values[3], CultureInfo.InvariantCulture), float.Parse(values[4], CultureInfo.InvariantCulture), float.Parse(values[5], CultureInfo.InvariantCulture));
VmfVector3 p3 = new VmfVector3(float.Parse(values[6], CultureInfo.InvariantCulture), float.Parse(values[7], CultureInfo.InvariantCulture), float.Parse(values[8], CultureInfo.InvariantCulture));
value = new VmfPlane(p1, p2, p3);
return(true);
}
// detect uv definition.
else if (rawvalue[0] == '[' && rawvalue[rawvalue.Length - 1] != ']')
{
string[] values = rawvalue.Replace("[", "").Replace("]", "").Split(' ');
value = new VmfAxis(new VmfVector3(float.Parse(values[0], CultureInfo.InvariantCulture), float.Parse(values[1], CultureInfo.InvariantCulture), float.Parse(values[2], CultureInfo.InvariantCulture)), float.Parse(values[3], CultureInfo.InvariantCulture), float.Parse(values[4], CultureInfo.InvariantCulture));
return(true);
}
// detect vector3 definition.
else if (rawvalue.Count(c => c == ' ') == 2 && rawvalue.All(c => " -.0123456789".Contains(c)))
{
string[] values = rawvalue.Split(' ');
value = new VmfVector3(float.Parse(values[0], CultureInfo.InvariantCulture), float.Parse(values[1], CultureInfo.InvariantCulture), float.Parse(values[2], CultureInfo.InvariantCulture));
return(true);
}
// detect vector4 definition.
else if (rawvalue.Count(c => c == ' ') == 3 && rawvalue.All(c => " -.0123456789".Contains(c)))
{
string[] values = rawvalue.Split(' ');
value = new VmfVector4(float.Parse(values[0], CultureInfo.InvariantCulture), float.Parse(values[1], CultureInfo.InvariantCulture), float.Parse(values[2], CultureInfo.InvariantCulture), float.Parse(values[3], CultureInfo.InvariantCulture));
return(true);
}
// detect alternate vector3 definition.
else if (rawvalue.Count(c => c == ' ') == 2 && rawvalue.All(c => " e-.0123456789[]".Contains(c))) // "e" exponent occurs here fixing 'ep2_outland_07_barn.vmf'.
{
string[] values = rawvalue.Replace("[", "").Replace("]", "").Split(' ');
value = new VmfVector3(float.Parse(values[0], CultureInfo.InvariantCulture), float.Parse(values[1], CultureInfo.InvariantCulture), float.Parse(values[2], CultureInfo.InvariantCulture));
return(true);
}
// detect floating point value.
else if (rawvalue.Contains('.') && float.TryParse(rawvalue, out vf))
{
value = vf;
return(true);
}
// detect integer value.
else if (Int32.TryParse(rawvalue, out vi))
{
value = vi;
return(true);
}
// probably a string value.
else
{
value = rawvalue_string;
return(true);
}
}
private static void CalculateTextureCoordinates(ChiselBrush pr, ChiselSurface surface, Plane clip, int textureWidth, int textureHeight, VmfAxis UAxis, VmfAxis VAxis)
{
var localToPlaneSpace = (Matrix4x4)MathExtensions.GenerateLocalToPlaneSpaceMatrix(new float4(clip.normal, clip.distance));
var planeSpaceToLocal = (Matrix4x4)math.inverse(localToPlaneSpace);
UAxis.Translation %= textureWidth;
VAxis.Translation %= textureHeight;
if (UAxis.Translation < -textureWidth / 2f)
{
UAxis.Translation += textureWidth;
}
if (VAxis.Translation < -textureHeight / 2f)
{
VAxis.Translation += textureHeight;
}
var scaleX = textureWidth * UAxis.Scale * inchesInMeters;
var scaleY = textureHeight * VAxis.Scale * inchesInMeters;
var uoffset = Vector3.Dot(Vector3.zero, new Vector3(UAxis.Vector.X, UAxis.Vector.Z, UAxis.Vector.Y)) + (UAxis.Translation / textureWidth);
var voffset = Vector3.Dot(Vector3.zero, new Vector3(VAxis.Vector.X, VAxis.Vector.Z, VAxis.Vector.Y)) + (VAxis.Translation / textureHeight);
var uVector = new Vector4(UAxis.Vector.X / scaleX, UAxis.Vector.Z / scaleX, UAxis.Vector.Y / scaleX, uoffset);
var vVector = new Vector4(VAxis.Vector.X / scaleY, VAxis.Vector.Z / scaleY, VAxis.Vector.Y / scaleY, voffset);
var uvMatrix = new UVMatrix(uVector, -vVector);
var matrix = uvMatrix.ToMatrix();
matrix = matrix * planeSpaceToLocal;
surface.surfaceDescription.UV0 = new UVMatrix(matrix);
}