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) { //@TODO: Improve error messages... var fields = injectedGroupType.GetFields(BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.Public); entityArrayField = null; indexFromEntityField = null; lengthField = null; componentGroupIndexField = null; foreach (var field in fields) { var isReadOnly = field.GetCustomAttributes(typeof(ReadOnlyAttribute), true).Length != 0; //@TODO: Prevent using GameObjectEntity, it will never show up. Point to GameObjectArray instead... if (field.FieldType.IsGenericType && field.FieldType.GetGenericTypeDefinition() == typeof(ComponentDataArray <>)) { var injection = new InjectionData(field, field.FieldType.GetGenericArguments()[0], isReadOnly); componentDataInjections.Add(injection); componentRequirements.Add(injection.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 <>)) { var injection = new InjectionData(field, field.FieldType.GetGenericArguments()[0], isReadOnly); bufferDataInjections.Add(injection); componentRequirements.Add(injection.ComponentType); } else if (field.FieldType.IsGenericType && field.FieldType.GetGenericTypeDefinition() == typeof(SharedComponentDataArray <>)) { if (!isReadOnly) { return ($"{system.GetType().Name}:{groupField.Name} SharedComponentDataArray<> must always be injected as [ReadOnly]"); } var injection = new InjectionData(field, field.FieldType.GetGenericArguments()[0], true); sharedComponentInjections.Add(injection); componentRequirements.Add(injection.ComponentType); } else if (field.FieldType == typeof(EntityArray)) { // Error on multiple EntityArray if (entityArrayField != null) { return ($"{system.GetType().Name}:{groupField.Name} An [Inject] struct, may only contain a single EntityArray"); } entityArrayField = field; } else if (field.FieldType == typeof(int)) { if (field.Name != "Length" && field.Name != "GroupIndex") { return ($"{system.GetType().Name}:{groupField.Name} Int in an [Inject] struct should be named \"Length\" (group length) or \"GroupIndex\" (index in ComponentGroup[])"); } if (!field.IsInitOnly) { return ($"{system.GetType().Name}:{groupField.Name} {field.Name} must use the \"readonly\" keyword"); } if (field.Name == "Length") { lengthField = field; } if (field.Name == "GroupIndex") { componentGroupIndexField = field; } } else { var hook = InjectionHookSupport.HookFor(field); if (hook == null) { return ($"{system.GetType().Name}:{groupField.Name} [Inject] may only be used on ComponentDataArray<>, ComponentArray<>, TransformAccessArray, EntityArray, {string.Join(",", InjectionHookSupport.Hooks.Select(h => h.FieldTypeOfInterest.Name))} and int Length."); } var error = hook.ValidateField(field, isReadOnly, injectionContext); if (error != null) { return(error); } injectionContext.AddEntry(hook.CreateInjectionInfoFor(field, isReadOnly)); } } if (injectionContext.HasComponentRequirements) { foreach (var requirement in injectionContext.ComponentRequirements) { componentRequirements.Add(requirement); } } return(null); }
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";