public static KalkMatrix Diagonal(KalkVector x)
{
if (x == null)
{
throw new ArgumentNullException(nameof(x));
}
return(x.GenericDiagonal());
}
public static object Cross(KalkVector x, KalkVector y)
{
AssertValidVectors(x, y);
if (x.Length != 3)
{
throw new ArgumentException($"Expecting a vector with 3 elements instead of {x.Length} for cross function.");
}
return(x.GenericCross(y));
}
private void AddListItem(TemplateContext context, ref int index, object arg, KalkVector <T> vector)
{
if (arg is IList list)
{
var count = list.Count;
for (int j = 0; j < count; j++)
{
AddListItem(context, ref index, list[j], vector);
}
}
else
{
var value = GetArgumentValue(context, arg);
vector[index++] = value;
}
}
public static object Multiply(KalkMatrix x, KalkVector y)
{
if (x == null)
{
throw new ArgumentNullException(nameof(x));
}
if (y == null)
{
throw new ArgumentNullException(nameof(y));
}
CheckElementType(x, y);
if (x.ColumnCount != y.Length)
{
throw new ArgumentException($"Invalid size between the vector type length {y.Length} and the matrix column count {x.ColumnCount}. They Must be equal.", nameof(x));
}
return(x.GenericMultiplyRight(y));
}
public static object Multiply(KalkVector x, KalkMatrix y)
{
if (x == null)
{
throw new ArgumentNullException(nameof(x));
}
if (y == null)
{
throw new ArgumentNullException(nameof(y));
}
CheckElementType(x, y);
if (x.Length != y.RowCount)
{
throw new ArgumentException($"Invalid size between the vector type length {x.Length} and the matrix row count {y.RowCount}. They Must be equal.", nameof(x));
}
return(y.GenericMultiplyLeft(x));
}
private static void AssertValidVectors(KalkVector x, KalkVector y)
{
if (x == null)
{
throw new ArgumentNullException(nameof(x));
}
if (y == null)
{
throw new ArgumentNullException(nameof(y));
}
if (x.Length != y.Length)
{
throw new ArgumentException($"Vectors must have the same length instead of {x.Length} vs {y.Length}", nameof(x));
}
if (x.ElementType != y.ElementType)
{
throw new ArgumentException($"Vectors must have the same element type instead of {x.ElementType.ScriptPrettyName()} vs {y.ElementType.ScriptPrettyName()}", nameof(x));
}
}
public bool TryGetValue(TemplateContext context, SourceSpan span, object target, string member, out object value)
{
var targetFloat = context.ToObject <float>(span, target);
if (member.Length == 1)
{
value = targetFloat;
return(true);
}
var vector = new KalkVector <float>(member.Length);
int index = 0;
for (int i = 0; i < member.Length; i++)
{
var c = member[i];
switch (c)
{
case 'x':
vector[index] = targetFloat;
break;
case 'y':
vector[index] = targetFloat;
break;
case 'z':
vector[index] = targetFloat;
break;
case 'w':
vector[index] = targetFloat;
break;
}
index++;
}
value = vector;
return(true);
}
protected abstract KalkVector GenericMultiplyLeft(KalkVector x);
protected override void ProcessSingleArgument(TemplateContext context, ref int index, object arg, KalkVector <byte> vector)
{
int value;
switch (arg)
{
case string rgbStr:
try
{
if (!KalkColorRgb.TryGetKnownColor(rgbStr, out value))
{
value = int.Parse(rgbStr.TrimStart('#'), System.Globalization.NumberStyles.HexNumber);
}
}
catch
{
throw new ScriptArgumentException(0, $"Expecting a known color (e.g `AliceBlue`) or an hexadecimal rgb string (e.g #FF80C2) instead of `{rgbStr}`. Type `colors` for listing known colors.");
}
break;
default:
if (arg is IList)
{
base.ProcessSingleArgument(context, ref index, arg, vector);
return;
}
value = context.ToObject <int>(context.CurrentSpan, arg);
break;
}
vector[index++] = (byte)((value >> 16) & 0xFF);
vector[index++] = (byte)((value >> 8) & 0xFF);
vector[index++] = (byte)(value & 0xFF);
if (Dimension == 4)
{
vector[index++] = (byte)((value >> 24) & 0xFF);
}
}
protected virtual void ProcessSingleArgument(TemplateContext context, ref int index, object arg, KalkVector <T> vector)
{
if (arg is IList list)
{
AddListItem(context, ref index, list, vector);
}
else
{
var value = GetArgumentValue(context, arg);
for (int j = 0; j < Dimension; j++)
{
vector[index++] = value;
}
}
}
protected abstract object GenericDot(KalkVector y);
protected abstract KalkVector GenericCross(KalkVector y);
public KalkVector <T> Invoke(TemplateContext context, object[] arguments)
{
if (arguments.Length == 0)
{
return(NewVector(Dimension));
}
var vector = NewVector(Dimension);
int index = 0;
if (arguments.Length == 1)
{
var arg = arguments[0];
// Replace implicitly Rgb/Rgba to xyzw
if (arg is KalkColor color)
{
if (this is KalkColorConstructor)
{
var colorLength = color is KalkColorRgb ? 3 : 4;
if (Dimension != colorLength)
{
if (Dimension == 3) // 4 to 3
{
arg = new KalkVector <byte>(color.r, color.g, color.b);
}
else // 3 to 4
{
Debug.Assert(Dimension == 4);
arg = new KalkVector <byte>(color.r, color.g, color.b, 255);
}
}
}
else
{
arg = color.GetFloatVector(Dimension);
}
}
var argLength = GetArgLength(arg, true);
var length = index + argLength;
if (length != Dimension)
{
throw new ScriptArgumentException(0, $"Invalid number of arguments for {vector.TypeName}. Expecting {Dimension} arguments instead of {length}.");
}
ProcessSingleArgument(context, ref index, arg, vector);
}
else
{
for (var i = 0; i < arguments.Length; i++)
{
var arg = arguments[i];
var argLength = GetArgLength(arg, false);
var length = index + argLength;
if (length > Dimension)
{
throw new ScriptArgumentException(i, $"Invalid number of arguments for {vector.TypeName}. Expecting {Dimension} arguments instead of {length}.");
}
ProcessArgument(context, ref index, arg, vector);
}
}
if (index != Dimension)
{
throw new ScriptArgumentException(arguments.Length - 1, $"Invalid number of arguments for {vector.TypeName}. Expecting {Dimension} arguments instead of {index}.");
}
return(vector);
}
protected void ProcessArgument(TemplateContext context, ref int index, object arg, KalkVector <T> vector)
{
if (arg is IList list)
{
AddListItem(context, ref index, list, vector);
}
else
{
var value = GetArgumentValue(context, arg);
vector[index++] = value;
}
}
protected abstract KalkVector GenericMultiplyRight(KalkVector y);
protected KalkColor(KalkVector <byte> values) : base(values)
{
}
public static object Dot(KalkVector x, KalkVector y)
{
AssertValidVectors(x, y);
return(x.GenericDot(y));
}