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SwizzleVectorAttribute no longer generates invalid setters

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This commit is contained in:
Simon Lübeß
2022-02-21 17:06:48 +01:00
parent 0db85de067
commit 373980d5ad
1 changed files with 23 additions and 10 deletions
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GlitchyEngine/src/Math/SwizzleVectorAttribute.bf
+23 -10
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@@ -21,9 +21,9 @@ namespace GlitchyEngine.Math
}
/**
* Determines whether or not a swizzle operator can have a valid setter (e.g. no component assigned twice)
* Returns true if the swizzle operator is invalid (same component assigned twice).
*/
static bool invalidSetter(int[4] cmp, int vecSize)
static bool IsSetterValid(int[4] cmp, int vecSize)
{
return cmp[0] == cmp[1] || (vecSize >= 3 && cmp[0] == cmp[2]) || (vecSize == 4 && cmp[0] == cmp[3]) ||
(vecSize >= 3 && cmp[1] == cmp[2]) || (vecSize == 4 && cmp[1] == cmp[3]) ||
@@ -33,8 +33,7 @@ namespace GlitchyEngine.Math
[Comptime]
public void ApplyToType(Type type)
{
// TODO: report bug... sized array not working
String[] componentNames = scope String[]("X", "Y", "Z", "W");
String[4] componentNames = .("X", "Y", "Z", "W");
for(int swizzleCount = 2; swizzleCount <= 4; swizzleCount++)
{
@@ -52,7 +51,16 @@ namespace GlitchyEngine.Math
String swizzleConstructor = scope String(swizzleCount * 3);
String setter = scope String(128);
bool setterInvalid = invalidSetter(cmp, swizzleCount);
bool setterInvalid = IsSetterValid(cmp, swizzleCount);
if (!setterInvalid)
{
setter.Append(
"""
set mut
{
""");
}
for(int c = 0; c < swizzleCount; c++)
{
@@ -64,21 +72,26 @@ namespace GlitchyEngine.Math
}
swizzleConstructor.Append(componentNames[cmp[c]]);
if(!setterInvalid && c < _vectorSize) //
if(!setterInvalid && c < _vectorSize)
{
setter.AppendF($"\n\t\t{componentNames[cmp[c]]} = value.{componentNames[c]};");
}
}
//{(setterInvalid ? "[Error(\"Cannot assign multiple values to same component.\")]" : String.Empty)}
if (!setterInvalid)
{
setter.Append(
"""
}
""");
}
String swizzleString = scope $"""
public {_vectorTypeName}{swizzleCount} {swizzleName}
{{
get => .({swizzleConstructor});
set mut
{{{setter}
}}
{setter}
}}
""";