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fix enum cast #153

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fix enum cast #153

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8 changes: 4 additions & 4 deletions Packages/com.vrchat.UdonSharp/Editor/Compiler/Emit/EmitContext.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -448,16 +448,16 @@ private Value GetEnumArrayForType(Type enumType)
maxEnumVal = (int)enumVal > maxEnumVal ? (int)enumVal : maxEnumVal;

// After a survey of what enums are exposed by Udon, it doesn't seem like anything goes above this limit. The only things I see that go past this are some System.Reflection enums which are unlikely to ever be exposed.
if (maxEnumVal > 2048)
if (maxEnumVal >= 2048)
throw new System.NotSupportedException($"Cannot cast integer to enum {enumType.Name} because target enum has too many potential states({maxEnumVal}) to contain in an UdonBehaviour reasonably");

// Find the most significant bit of this enum so we can generate all combinations <= it
int mostSignificantBit = 0;
int currentEnumVal = maxEnumVal;
int currentEnumValCount = maxEnumVal + 1;

while (currentEnumVal > 0)
while (currentEnumValCount > 0)
{
currentEnumVal >>= 1;
currentEnumValCount >>= 1;
++mostSignificantBit;
}

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