internal static InjectionHook HookFor(FieldInfo fieldInfo)
{
InjectionHook hook;
if (s_HasHooks)
{
using (List <InjectionHook> .Enumerator enumerator = k_Hooks.GetEnumerator())
{
while (true)
{
if (!enumerator.MoveNext())
{
break;
}
InjectionHook current = enumerator.Current;
if (current.IsInterestedInField(fieldInfo))
{
return(current);
}
}
}
hook = null;
}
else
{
hook = null;
}
return(hook);
}
public static void UnregisterHook(InjectionHook hook)
{
k_Hooks.Remove(hook);
s_HasHooks = k_Hooks.Count != 0;
}
public static void RegisterHook(InjectionHook hook)
{
s_HasHooks = true;
k_Hooks.Add(hook);
}
private static string CollectInjectedGroup(ComponentSystemBase system, FieldInfo groupField, Type injectedGroupType, out FieldInfo entityArrayField, out FieldInfo indexFromEntityField, InjectionContext injectionContext, out FieldInfo lengthField, out FieldInfo componentGroupIndexField, ISet <ComponentType> componentRequirements, ICollection <InjectionData> componentDataInjections, ICollection <InjectionData> bufferDataInjections, ICollection <InjectionData> sharedComponentInjections)
{
string str;
FieldInfo[] fields = injectedGroupType.GetFields(BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance);
entityArrayField = null;
indexFromEntityField = null;
lengthField = null;
componentGroupIndexField = null;
FieldInfo[] infoArray2 = fields;
int index = 0;
while (true)
{
if (index >= infoArray2.Length)
{
if (injectionContext.HasComponentRequirements)
{
foreach (ComponentType type in injectionContext.ComponentRequirements)
{
componentRequirements.Add(type);
}
}
str = null;
break;
}
FieldInfo field = infoArray2[index];
bool isReadOnly = field.GetCustomAttributes(typeof(ReadOnlyAttribute), true).Length != 0;
if (field.FieldType.IsGenericType && (field.FieldType.GetGenericTypeDefinition() == typeof(ComponentDataArray <>)))
{
InjectionData item = new InjectionData(field, field.FieldType.GetGenericArguments()[0], isReadOnly);
componentDataInjections.Add(item);
componentRequirements.Add(item.ComponentType);
}
else if (field.FieldType.IsGenericType && (field.FieldType.GetGenericTypeDefinition() == typeof(SubtractiveComponent <>)))
{
componentRequirements.Add(ComponentType.Subtractive(field.FieldType.GetGenericArguments()[0]));
}
else if (field.FieldType.IsGenericType && (field.FieldType.GetGenericTypeDefinition() == typeof(BufferArray <>)))
{
InjectionData item = new InjectionData(field, field.FieldType.GetGenericArguments()[0], isReadOnly);
bufferDataInjections.Add(item);
componentRequirements.Add(item.ComponentType);
}
else if (field.FieldType.IsGenericType && (field.FieldType.GetGenericTypeDefinition() == typeof(SharedComponentDataArray <>)))
{
if (!isReadOnly)
{
str = $"{system.GetType().Name}:{groupField.Name} SharedComponentDataArray<> must always be injected as [ReadOnly]";
break;
}
InjectionData item = new InjectionData(field, field.FieldType.GetGenericArguments()[0], true);
sharedComponentInjections.Add(item);
componentRequirements.Add(item.ComponentType);
}
else if (field.FieldType == typeof(EntityArray))
{
if (entityArrayField != null)
{
str = $"{system.GetType().Name}:{groupField.Name} An [Inject] struct, may only contain a single EntityArray";
break;
}
entityArrayField = field;
}
else if (!(field.FieldType == typeof(int)))
{
InjectionHook hook = InjectionHookSupport.HookFor(field);
if (hook == null)
{
str = $"{system.GetType().Name}:{groupField.Name} [Inject] may only be used on ComponentDataArray<>, ComponentArray<>, TransformAccessArray, EntityArray, {string.Join(",", (IEnumerable<string>) (from h in InjectionHookSupport.Hooks select h.FieldTypeOfInterest.Name))} and int Length.";
break;
}
string str2 = hook.ValidateField(field, isReadOnly, injectionContext);
if (str2 != null)
{
str = str2;
break;
}
injectionContext.AddEntry(hook.CreateInjectionInfoFor(field, isReadOnly));
}
else
{
if ((field.Name != "Length") && (field.Name != "GroupIndex"))
{
str = $"{system.GetType().Name}:{groupField.Name} Int in an [Inject] struct should be named " Length " (group length) or " GroupIndex " (index in ComponentGroup[])";
break;
}
if (!field.IsInitOnly)
{
str = $"{system.GetType().Name}:{groupField.Name} {field.Name} must use the " readonly " keyword";