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add units support in float, double and Float3 input

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This commit is contained in:
nothingTVatYT
2024-01-28 20:52:25 +01:00
parent 1094abce5a
commit 9e38a01acc
13 changed files with 182 additions and 7 deletions
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17
Source/Editor/Utilities/ShuntingYardParser.cs
View File

@@ -121,6 +121,9 @@ namespace FlaxEditor.Utilities
["e"] = Math.E,
["infinity"] = double.MaxValue,
["-infinity"] = -double.MaxValue,
["m"] = Units.Meters2Units,
["cm"] = Units.Meters2Units / 100,
["km"] = Units.Meters2Units * 1000
};
/// <summary>
@@ -170,7 +173,7 @@ namespace FlaxEditor.Utilities
public static IEnumerable<Token> Tokenize(string text)
{
// Prepare text
text = text.Replace(',', '.');
text = text.Replace(',', '.').Replace("°", "");
// Necessary to correctly parse negative numbers
var previous = TokenType.WhiteSpace;
@@ -372,6 +375,18 @@ namespace FlaxEditor.Utilities
}
}
// if stack has more than one item we're not finished with evaluating
// we assume the remaining values are all factors to be multiplied
if (stack.Count > 1)
{
var stackContent = string.Join(",", stack.ToList());
Debug.Log($"parsing numbers, stack is {stackContent}");
var v1 = stack.Pop();
Debug.Log($"first on stack: {v1}");
while (stack.Count > 0)
v1 *= stack.Pop();
return v1;
}
return stack.Pop();
}

9
Source/Editor/Utilities/Units.cs Normal file
View File

@@ -0,0 +1,9 @@
namespace FlaxEditor.Utilities;
public class Units
{
/// <summary>
/// Factor of units per meter.
/// </summary>
public static readonly float Meters2Units = 100f;
}

64
Source/Editor/Utilities/Utils.cs
View File

@@ -58,6 +58,16 @@ namespace FlaxEditor.Utilities
/// </summary>
public static readonly string FlaxEngineAssemblyName = "FlaxEngine.CSharp";
/// <summary>
/// A category of number values used for formatting and input boxes
/// </summary>
public enum ValueCategory
{
None,
Distance,
Angle
}
/// <summary>
/// Tries to parse number in the name brackets at the end of the value and then increment it to create a new name.
/// Supports numbers at the end without brackets.
@@ -1171,6 +1181,56 @@ namespace FlaxEditor.Utilities
return StringUtils.GetPathWithoutExtension(path);
}
/// <summary>
/// Format a float value either as-is, with a distance unit or with a degree sign
/// </summary>
/// <param name="value">the value to format</param>
/// <param name="category">the value type: none means just a number, distance will format in cm/m/km, angle with an appended degree sign</param>
/// <returns>the formatted string</returns>
public static string FormatFloat(float value, ValueCategory category)
{
switch (category)
{
case ValueCategory.Distance:
var absValue = Mathf.Abs(value);
// in case a unit != cm this would be (value / Maters2Units * 100)
if (absValue < Units.Meters2Units)
return value.ToString("g7", CultureInfo.InvariantCulture) + "cm";
if (absValue < Units.Meters2Units * 1000)
return (value / Units.Meters2Units).ToString("g7", CultureInfo.InvariantCulture) + "m";
return (value / 1000 / Units.Meters2Units).ToString("g7", CultureInfo.InvariantCulture) + "km";
case ValueCategory.Angle: return value.ToString("g7", CultureInfo.InvariantCulture) + "°";
case ValueCategory.None:
default:
return FormatFloat(value);
}
}
/// <summary>
/// Format a double value either as-is, with a distance unit or with a degree sign
/// </summary>
/// <param name="value">the value to format</param>
/// <param name="category">the value type: none means just a number, distance will format in cm/m/km, angle with an appended degree sign</param>
/// <returns>the formatted string</returns>
public static string FormatFloat(double value, ValueCategory category)
{
switch (category)
{
case ValueCategory.Distance:
var absValue = Mathf.Abs(value);
// in case a unit != cm this would be (value / Maters2Units * 100)
if (absValue < Units.Meters2Units)
return value.ToString("g17", CultureInfo.InvariantCulture) + "cm";
if (absValue < Units.Meters2Units * 1000)
return (value / Units.Meters2Units).ToString("g17", CultureInfo.InvariantCulture) + "m";
return (value / 1000 / Units.Meters2Units).ToString("g17", CultureInfo.InvariantCulture) + "km";
case ValueCategory.Angle: return value.ToString("g17", CultureInfo.InvariantCulture) + "°";
case ValueCategory.None:
default:
return FormatFloat(value);
}
}
/// <summary>
/// Formats the floating point value (double precision) into the readable text representation.
/// </summary>
@@ -1182,7 +1242,7 @@ namespace FlaxEditor.Utilities
return "Infinity";
if (float.IsNegativeInfinity(value) || value == float.MinValue)
return "-Infinity";
string str = value.ToString("r", CultureInfo.InvariantCulture);
string str = value.ToString("g7", CultureInfo.InvariantCulture);
return FormatFloat(str, value < 0);
}
@@ -1197,7 +1257,7 @@ namespace FlaxEditor.Utilities
return "Infinity";
if (double.IsNegativeInfinity(value) || value == double.MinValue)
return "-Infinity";
string str = value.ToString("r", CultureInfo.InvariantCulture);
string str = value.ToString("g17", CultureInfo.InvariantCulture);
return FormatFloat(str, value < 0);
}