static void ProcessSyncVars(TypeDefinition td)
{
// find syncvars
foreach (FieldDefinition fd in td.Fields)
{
if (fd.HasCustomAttribute <SyncVarAttribute>())
{
Weaver.Error($"SyncVar {fd.Name} must be inside a NetworkBehaviour. {td.Name} is not a NetworkBehaviour", fd);
}
if (SyncObjectProcessor.ImplementsSyncObject(fd.FieldType))
{
Weaver.Error($"{fd.Name} is a SyncObject and must be inside a NetworkBehaviour. {td.Name} is not a NetworkBehaviour", fd);
}
}
}
static void ProcessSyncVars(TypeDefinition td)
{
// find syncvars
foreach (FieldDefinition fd in td.Fields)
{
foreach (CustomAttribute ca in fd.CustomAttributes)
{
if (ca.AttributeType.FullName == Weaver.SyncVarType.FullName)
{
Weaver.Error("Script " + td.FullName + " uses [SyncVar] " + fd.Name + " but is not a NetworkBehaviour.");
}
}
if (SyncObjectProcessor.ImplementsSyncObject(fd.FieldType))
{
Weaver.Error(string.Format("Script {0} defines field {1} with type {2}, but it's not a NetworkBehaviour", td.FullName, fd.Name, Helpers.PrettyPrintType(fd.FieldType)));
}
}
}
public static void ProcessSyncVars(TypeDefinition td, List <FieldDefinition> syncVars, List <FieldDefinition> syncObjects, Dictionary <FieldDefinition, FieldDefinition> syncVarNetIds)
{
int numSyncVars = 0;
// the mapping of dirtybits to sync-vars is implicit in the order of the fields here. this order is recorded in m_replacementProperties.
// start assigning syncvars at the place the base class stopped, if any
int dirtyBitCounter = Weaver.GetSyncVarStart(td.BaseType.FullName);
syncVarNetIds.Clear();
// find syncvars
foreach (FieldDefinition fd in td.Fields)
{
foreach (var ca in fd.CustomAttributes)
{
if (ca.AttributeType.FullName == Weaver.SyncVarType.FullName)
{
var resolvedField = fd.FieldType.Resolve();
if (resolvedField.IsDerivedFrom(Weaver.NetworkBehaviourType))
{
Log.Error("SyncVar [" + fd.FullName + "] cannot be derived from NetworkBehaviour.");
Weaver.fail = true;
return;
}
if (resolvedField.IsDerivedFrom(Weaver.ScriptableObjectType))
{
Log.Error("SyncVar [" + fd.FullName + "] cannot be derived from ScriptableObject.");
Weaver.fail = true;
return;
}
if ((fd.Attributes & FieldAttributes.Static) != 0)
{
Log.Error("SyncVar [" + fd.FullName + "] cannot be static.");
Weaver.fail = true;
return;
}
if (resolvedField.HasGenericParameters)
{
Log.Error("SyncVar [" + fd.FullName + "] cannot have generic parameters.");
Weaver.fail = true;
return;
}
if (resolvedField.IsInterface)
{
Log.Error("SyncVar [" + fd.FullName + "] cannot be an interface.");
Weaver.fail = true;
return;
}
var fieldModuleName = resolvedField.Module.Name;
if (fieldModuleName != Weaver.scriptDef.MainModule.Name &&
fieldModuleName != Weaver.m_UnityAssemblyDefinition.MainModule.Name &&
fieldModuleName != Weaver.m_UNetAssemblyDefinition.MainModule.Name &&
fieldModuleName != Weaver.corLib.Name &&
fieldModuleName != "System.Runtime.dll" && // this is only for Metro, built-in types are not in corlib on metro
fieldModuleName != "netstandard.dll" // handle built-in types when weaving new C#7 compiler assemblies
)
{
Log.Error("SyncVar [" + fd.FullName + "] from " + resolvedField.Module.ToString() + " cannot be a different module.");
Weaver.fail = true;
return;
}
if (fd.FieldType.IsArray)
{
Log.Error("SyncVar [" + fd.FullName + "] cannot be an array. Use a SyncList instead.");
Weaver.fail = true;
return;
}
if (SyncObjectProcessor.ImplementsSyncObject(fd.FieldType))
{
Log.Warning(string.Format("Script class [{0}] has [SyncVar] attribute on SyncList field {1}, SyncLists should not be marked with SyncVar.", td.FullName, fd.Name));
break;
}
syncVars.Add(fd);
ProcessSyncVar(td, fd, syncVarNetIds, 1L << dirtyBitCounter);
dirtyBitCounter += 1;
numSyncVars += 1;
if (dirtyBitCounter == k_SyncVarLimit)
{
Log.Error("Script class [" + td.FullName + "] has too many SyncVars (" + k_SyncVarLimit + "). (This could include base classes)");
Weaver.fail = true;
return;
}
break;
}
}
if (fd.FieldType.FullName.Contains("Mirror.SyncListStruct"))
{
Log.Error("SyncListStruct member variable [" + fd.FullName + "] must use a dervied class, like \"class MySyncList : SyncListStruct<MyStruct> {}\".");
Weaver.fail = true;
return;
}
if (fd.FieldType.Resolve().ImplementsInterface(Weaver.SyncObjectType))
{
if (fd.IsStatic)
{
Log.Error("SyncList [" + td.FullName + ":" + fd.FullName + "] cannot be a static");
Weaver.fail = true;
return;
}
syncObjects.Add(fd);
}
}
// add all the new SyncVar __netId fields
foreach (FieldDefinition fd in syncVarNetIds.Values)
{
td.Fields.Add(fd);
}
Weaver.SetNumSyncVars(td.FullName, numSyncVars);
}
