internal DynamicSnapshotField(Snapshot parent, object id, SnapshotFieldType type, object defaultValue,
SnapshotPrimitiveType idPrimitiveType,
SnapshotPrimitiveType primitiveType = SnapshotPrimitiveType.None)
: base(parent, type, defaultValue, primitiveType)
{
Id = id;
IdPrimitiveType = idPrimitiveType;
}
internal SnapshotField(Snapshot parent, SnapshotFieldType type,
object defaultValue, SnapshotPrimitiveType primtiveType)
{
Parent = parent;
Type = type;
Value = defaultValue;
PrimitiveType = primtiveType;
}
protected DynamicSnapshotField AddPrimitiveField <T, K>(K dynamicKey, T defaultValue = default(T))
where T : struct
where K : struct
{
SnapshotPrimitiveType primType = GetPrimitiveType(defaultValue.GetType());
DynamicSnapshotField field = new DynamicSnapshotField(this, dynamicKey, SnapshotFieldType.Primitive,
defaultValue, GetPrimitiveType(typeof(K)), primType);
dynamicFields.Add(dynamicKey, field);
return(field);
}
protected StaticSnapshotField AddPrimitiveField <T>(T defaultValue = default(T))
where T : struct
{
if (IsReady)
{
throw new InvalidOperationException("Cannot add static snapshot field after initialization!");
}
ushort id = currentFieldId++;
SnapshotPrimitiveType primType = GetPrimitiveType(defaultValue.GetType());
StaticSnapshotField field = new StaticSnapshotField(this, id, SnapshotFieldType.Primitive,
defaultValue, primType);
staticFields.Add(id, field);
return(field);
}
static object ReadPrimitive(NetBuffer buffer, SnapshotPrimitiveType type)
{
switch (type)
{
case SnapshotPrimitiveType.Byte:
return(buffer.ReadByte());
case SnapshotPrimitiveType.Char:
return(buffer.ReadChar());
case SnapshotPrimitiveType.Boolean:
return(buffer.ReadBool());
case SnapshotPrimitiveType.Int16:
case SnapshotPrimitiveType.SByte: // SByte is written as a short
return(buffer.ReadInt16());
case SnapshotPrimitiveType.UInt16:
return(buffer.ReadUInt16());
case SnapshotPrimitiveType.Int32:
return(buffer.ReadInt32());
case SnapshotPrimitiveType.UInt32:
return(buffer.ReadUInt32());
case SnapshotPrimitiveType.Int64:
return(buffer.ReadInt64());
case SnapshotPrimitiveType.UInt64:
return(buffer.ReadUInt64());
case SnapshotPrimitiveType.Single:
return(buffer.ReadFloat());
case SnapshotPrimitiveType.Double:
return(buffer.ReadDouble());
case SnapshotPrimitiveType.ByteFlag:
return(buffer.ReadByteFlag());
default:
throw new Exception("Snapshot primitive type '" + type + "' is not supported!");
}
}
void ReadField(NetBuffer buffer, SnapshotField field)
{
// Read field type
SnapshotFieldType fieldType = (SnapshotFieldType)buffer.ReadByte();
// Read field data
if (fieldType == SnapshotFieldType.Primitive)
{
// Read primitive
SnapshotPrimitiveType primType = (SnapshotPrimitiveType)buffer.ReadByte();
object v = ReadPrimitive(buffer, primType);
if (field != null)
{
field.Value = v;
}
}
else if (fieldType == SnapshotFieldType.Trigger)
{
// Read trigger
byte it = buffer.ReadByte();
if (field != null)
{
Trigger t = (Trigger)field.Value;
t.Iterations = it;
}
}
else if (fieldType == SnapshotFieldType.Snapshot)
{
// Read nested snapshot
Snapshot ns;
if (field != null)
{
ns = (Snapshot)field.Value;
}
else
{
// Make temp snapshot to just read ns
ns = new TempSnapshot(snapshotSystem);
}
ns.Deserialize(buffer);
}
else if (fieldType == SnapshotFieldType.Custom)
{
// Read custom snapshot
// Read snapshot size
ushort bufferSize = buffer.ReadUInt16();
if (field != null)
{
// Read custom snapshot
CustomSnapshot cs = (CustomSnapshot)field.Value;
cs.Deserialize(buffer);
}
else
{
// Skip buffer
buffer.Position += bufferSize;
}
}
}
public virtual void Deserialize(NetBuffer buffer)
{
// Reset all triggers
foreach (SnapshotField field in staticFields.Values)
{
if (field.Type == SnapshotFieldType.Trigger)
{
Trigger t = (Trigger)field.Value;
t.Iterations = 0;
}
}
foreach (SnapshotField field in dynamicFields.Values)
{
if (field.Type == SnapshotFieldType.Trigger)
{
Trigger t = (Trigger)field.Value;
t.Iterations = 0;
}
}
// Read number of fields
ushort numStaticFields = buffer.ReadUInt16();
ushort numDynamicFields = buffer.ReadUInt16();
// Read delta id
byte deltaId = buffer.ReadByte();
if (IsDeltaCompressing)
{
AcknowledgedDeltaIds.Add(deltaId);
}
// Read static fields
for (int i = 0; i < numStaticFields; i++)
{
// Read field id
ushort fieldId = buffer.ReadUInt16();
// Try and find the field (it's ok if we can't)
StaticSnapshotField field;
staticFields.TryGetValue(fieldId, out field);
// Read the field
ReadField(buffer, field);
}
// Read dynamic fields
for (int i = 0; i < numDynamicFields; i++)
{
// Read field id
SnapshotPrimitiveType idPrimType = (SnapshotPrimitiveType)buffer.ReadByte();
object fieldId = ReadPrimitive(buffer, idPrimType);
// Try and find the field (it's ok if we can't)
DynamicSnapshotField field;
dynamicFields.TryGetValue(fieldId, out field);
// Read the field
ReadField(buffer, field);
}
}
internal StaticSnapshotField(Snapshot parent, ushort id, SnapshotFieldType type, object defaultValue,
SnapshotPrimitiveType primitiveType = SnapshotPrimitiveType.None)
: base(parent, type, defaultValue, primitiveType)
{
Id = id;
}
