// For Quake 1 Standard format
private static bool GetTextureAxises(Plane plane, out MapVector3 t1, out MapVector3 t2)
{
// feel free to improve this uv mapping code, it has some issues.
// • 45 degree angled walls may not have correct UV texture coordinates (are not correctly picking the dominant axis because there are two).
// • negative vertex coordinates may not have correct UV texture coordinates.
int dominantAxis = 0; // 0 == x, 1 == y, 2 == z
// find the axis closest to the polygon's normal.
float[] axes =
{
Mathf.Abs(plane.normal.x),
Mathf.Abs(plane.normal.z),
Mathf.Abs(plane.normal.y)
};
// defaults to use x-axis.
dominantAxis = 0;
// check whether the y-axis is more likely.
if (axes[1] > axes[dominantAxis])
{
dominantAxis = 1;
}
// check whether the z-axis is more likely.
if (axes[2] >= axes[dominantAxis])
{
dominantAxis = 2;
}
// x-axis:
if (dominantAxis == 0)
{
t1 = new MapVector3(0, 0, 1);
t2 = new MapVector3(0, 1, 0);
return(true);
}
// y-axis:
if (dominantAxis == 1)
{
t1 = new MapVector3(0, 0, 1);
t2 = new MapVector3(1, 0, 0);
return(true);
}
// z-axis:
if (dominantAxis == 2)
{
t1 = new MapVector3(1, 0, 0);
t2 = new MapVector3(0, 1, 0);
return(true);
}
t1 = null;
t2 = null;
return(false);
}
/// <summary>
/// Tries the parse a brush side line.
/// </summary>
/// <param name="line">The line to be parsed.</param>
/// <param name="mapBrushSide">The map brush side or null.</param>
/// <returns>True if successful else false.</returns>
private bool TryParseBrushSide(string line, out MapBrushSide mapBrushSide, bool valveFormat)
{
if (valveFormat)
{
return(TryParseBrushSideValve(line, out mapBrushSide));
}
mapBrushSide = new MapBrushSide();
// detect brush side definition.
if (line[0] == '(')
{
string[] values = line.Replace("(", "").Replace(")", "").Replace(" ", " ").Replace(" ", " ").Trim().Split(' ');
if (values.Length != 15)
{
return(false);
}
try
{
MapVector3 p1 = new MapVector3(float.Parse(values[0], CultureInfo.InvariantCulture), float.Parse(values[1], CultureInfo.InvariantCulture), float.Parse(values[2], CultureInfo.InvariantCulture));
MapVector3 p2 = new MapVector3(float.Parse(values[3], CultureInfo.InvariantCulture), float.Parse(values[4], CultureInfo.InvariantCulture), float.Parse(values[5], CultureInfo.InvariantCulture));
MapVector3 p3 = new MapVector3(float.Parse(values[6], CultureInfo.InvariantCulture), float.Parse(values[7], CultureInfo.InvariantCulture), float.Parse(values[8], CultureInfo.InvariantCulture));
var tex1Vec = new UnityEngine.Vector3(p1.X, p1.Y, p1.Z).normalized;
var tex2Vec = new UnityEngine.Vector3(p3.X, p3.Y, p3.Z).normalized;
mapBrushSide.t1 = new MapVector3(tex1Vec.x, tex1Vec.y, tex1Vec.z);
mapBrushSide.t2 = new MapVector3(tex2Vec.x, tex2Vec.y, tex2Vec.z);
mapBrushSide.Plane = new MapPlane(p1, p2, p3);
mapBrushSide.Material = values[9];
mapBrushSide.Offset = new MapVector2(float.Parse(values[10], CultureInfo.InvariantCulture), float.Parse(values[11], CultureInfo.InvariantCulture));
mapBrushSide.Rotation = float.Parse(values[12], CultureInfo.InvariantCulture);
mapBrushSide.Scale = new MapVector2(float.Parse(values[13], CultureInfo.InvariantCulture), float.Parse(values[14], CultureInfo.InvariantCulture));
}
catch (Exception)
{
throw new Exception("Encountered invalid brush side. The format of the map file must be slightly different, please open an issue on github if you think you did everything right.");
}
return(true);
}
return(false);
}
private bool TryParseBrushSideValve(string line, out MapBrushSide mapBrushSide)
{
mapBrushSide = new MapBrushSide();
// detect brush side definition.
if (line[0] == '(')
{
string[] values = line.Replace("(", "").Replace(")", "").Replace("[", "").Replace("]", "").Replace(" ", " ").Replace(" ", " ").Trim().Split(' ');
//UnityEngine.Debug.Log($"Values Length = {values.Length}");
if (values.Length != 21)
{
return(false);
}
try
{
MapVector3 p1 = new MapVector3(float.Parse(values[0], CultureInfo.InvariantCulture), float.Parse(values[1], CultureInfo.InvariantCulture), float.Parse(values[2], CultureInfo.InvariantCulture));
MapVector3 p2 = new MapVector3(float.Parse(values[3], CultureInfo.InvariantCulture), float.Parse(values[4], CultureInfo.InvariantCulture), float.Parse(values[5], CultureInfo.InvariantCulture));
MapVector3 p3 = new MapVector3(float.Parse(values[6], CultureInfo.InvariantCulture), float.Parse(values[7], CultureInfo.InvariantCulture), float.Parse(values[8], CultureInfo.InvariantCulture));
mapBrushSide.Plane = new MapPlane(p1, p2, p3);
mapBrushSide.Material = values[9];
mapBrushSide.t1 = new MapVector3(float.Parse(values[10], CultureInfo.InvariantCulture), float.Parse(values[11], CultureInfo.InvariantCulture), float.Parse(values[12], CultureInfo.InvariantCulture));
mapBrushSide.t2 = new MapVector3(float.Parse(values[14], CultureInfo.InvariantCulture), float.Parse(values[15], CultureInfo.InvariantCulture), float.Parse(values[16], CultureInfo.InvariantCulture));
mapBrushSide.Offset = new MapVector2(float.Parse(values[13], CultureInfo.InvariantCulture), float.Parse(values[17], CultureInfo.InvariantCulture));
mapBrushSide.Rotation = float.Parse(values[18], CultureInfo.InvariantCulture);
mapBrushSide.Scale = new MapVector2(float.Parse(values[19], CultureInfo.InvariantCulture), float.Parse(values[20], CultureInfo.InvariantCulture));
}
catch (Exception)
{
throw new Exception("Encountered invalid brush side. The format of the map file must be slightly different, please open an issue on github if you think you did everything right.");
}
return(true);
}
return(false);
}