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Serialize Enums (and maybe Entitiy/Component refs)

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This commit is contained in:
Simon Lübeß
2023-12-25 21:46:19 +01:00
parent 215e1f6500
commit 2f86f751a4
6 changed files with 135 additions and 93 deletions
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ScriptCore/Serialization/EntitySerializer.cs
+62 -32
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@@ -93,11 +93,11 @@ public static class EntitySerializer
_structScopeName.Remove(_structScopeName.Length - scopeToRemove.Length - 1);
}
private void AddField(string fieldName, SerializationType serializationType, object value)
private void AddField(string fieldName, SerializationType serializationType, object value, string fullTypeName = null)
{
string completeFieldName = $"{_structScopeName}{fieldName}";
ScriptGlue.Serialization_SerializeField(_internalContext, serializationType, completeFieldName, value);
ScriptGlue.Serialization_SerializeField(_internalContext, serializationType, completeFieldName, value, fullTypeName);
}
public void Serialize(Entity entity)
@@ -228,11 +228,11 @@ public static class EntitySerializer
{
if (typeof(Entity).IsAssignableFrom(fieldType))
{
AddField(fieldName, SerializationType.EntityReference, ((Entity)fieldValue)?.UUID ?? UUID.Zero);
AddField(fieldName, SerializationType.EntityReference, ((Entity)fieldValue)?.UUID ?? UUID.Zero, fieldValue?.GetType().FullName);
}
else if (typeof(Component).IsAssignableFrom(fieldType))
{
AddField(fieldName, SerializationType.ComponentReference, ((Component)fieldValue)?.UUID ?? UUID.Zero);
AddField(fieldName, SerializationType.ComponentReference, ((Component)fieldValue)?.UUID ?? UUID.Zero, fieldValue?.GetType().FullName);
}
else
{
@@ -363,6 +363,20 @@ public static class EntitySerializer
_structScopeName.Remove(_structScopeName.Length - scopeToRemove.Length - 1);
}
[StructLayout(LayoutKind.Explicit)]
private struct DataHelper
{
[StructLayout(LayoutKind.Sequential)]
public struct EngineObjectReferenceHelper
{
public IntPtr FullTypeName;
public UUID Id;
}
[FieldOffset(0)]
public EngineObjectReferenceHelper EngineObjectReference;
}
private unsafe object GetFieldValue(string fieldName, SerializationType serializationType)
{
string completeFieldName = $"{_structScopeName}{fieldName}";
@@ -372,6 +386,8 @@ public static class EntitySerializer
byte* rawData = stackalloc byte[16];
//byte* rawData = (byte*)&backingFieldOnStack;
ref DataHelper dataHelper = ref Unsafe.AsRef<DataHelper>(rawData);
ScriptGlue.Serialization_DeserializeField(_internalContext, serializationType, completeFieldName, rawData);
string GetString()
@@ -423,12 +439,10 @@ public static class EntitySerializer
return *(decimal*)rawData;
case SerializationType.Enum:
string value = GetString();
// TODO!
return null;
return GetString();
case SerializationType.EntityReference:
case SerializationType.ComponentReference:
return dataHelper.EngineObjectReference;
case SerializationType.ObjectReference:
return *(UUID*)rawData;
default:
@@ -476,7 +490,7 @@ public static class EntitySerializer
}
else if (fieldType.IsEnum)
{
// SerializeEnum(fieldName, fieldValue, fieldType);
newFieldValue = DeserializeEnum(field.Name, fieldType);
}
else if (fieldType.IsArray)
{
@@ -563,9 +577,21 @@ public static class EntitySerializer
return GetFieldValue(fieldName, expectedType);
}
private void DeserializeEnum(string fieldName, object fieldValue, Type fieldType)
private object DeserializeEnum(string fieldName, Type enumType)
{
//AddField(fieldName, SerializationType.Enum, fieldValue.ToString());
if (GetFieldValue(fieldName, SerializationType.Enum) is not string valueName)
return null;
try
{
return Enum.Parse(enumType, valueName);
}
catch
{
Log.Error($"Failed to parse \"{valueName}\" as enum-type \"{enumType}\"");
}
return null;
}
private object DeserializeStruct(string fieldName, object targetInstance)
@@ -581,36 +607,40 @@ public static class EntitySerializer
private object DeserializeClass(string fieldName, Type fieldType)
{
if (typeof(Entity).IsAssignableFrom(fieldType))
bool isEntity = typeof(Entity).IsAssignableFrom(fieldType);
bool isComponent = fieldType.IsSubclassOf(typeof(Component));
if (isEntity || isComponent)
{
UUID id = (UUID)GetFieldValue(fieldName, SerializationType.EntityReference);
var data = (DataHelper.EngineObjectReferenceHelper)GetFieldValue(fieldName, SerializationType.EntityReference);
UUID id = data.Id;
if (id == UUID.Zero)
return null;
Entity reference = new Entity(id);
string fullTypeName = Marshal.PtrToStringUni(data.FullTypeName);
if (fieldType.IsSubclassOf(typeof(Entity)))
return reference.As<Entity>();
return reference;
}
else if (typeof(Component).IsAssignableFrom(fieldType))
{
UUID id = (UUID)GetFieldValue(fieldName, SerializationType.ComponentReference);
if (id == UUID.Zero)
Type type = GetTypeFromName(fullTypeName);
if (type == null)
return null;
// TODO: Get class
if (isEntity)
{
// We have to differentiate between simple Entity references and script instances
// (because we decided to use the same type for both, so we could have a field Entity which contains a script instance instead of an Entity reference)
if (type == typeof(Entity))
return new Entity(id);
//Entity reference = new Entity(id);
return Entity.GetScriptReference(id, type);
}
else
{
Entity entity = new Entity(id);
//if (fieldType.IsSubclassOf(typeof(Entity)))
// return reference.As<Entity>();
//return reference;
return null;
return entity.GetComponent(type);
}
}
else
{