public override void OnInspectorGUI()
{
Type scriptClass = _script.GetClass();
RealtimeModelAttribute realtimeModelAttribute = GetRealtimeModelAttribute(scriptClass);
if (realtimeModelAttribute != null)
{
// If this is a model file. Do some cool UI for it.
if (GUILayout.Button("Compile Model"))
{
try {
string modelCode = GenerateModel();
SaveGeneratedModel(modelCode);
} catch (Exception exception) {
Debug.LogError("Failed to compile model.");
Debug.LogException(exception);
}
}
if (GUILayout.Button("Clear Autogenerated Model"))
{
try {
SaveGeneratedModel(null);
} catch (Exception exception) {
Debug.LogException(exception);
Debug.LogError("Failed to clear model.");
}
}
}
else
{
DrawDefaultInspectorGUI();
}
}
private string GenerateModel()
{
// Model
Type modelClass = _script.GetClass();
string classNamespace = modelClass.Namespace;
string className = modelClass.Name;
//string baseClassName = modelClass.BaseType.Name;
bool hasMetaModel = false;
RealtimeModelAttribute realtimeModelAttribute = GetRealtimeModelAttribute(modelClass);
if (realtimeModelAttribute != null)
{
hasMetaModel = realtimeModelAttribute.createMetaModel;
}
// Properties
Dictionary <uint, FieldInfo> allProperties;
Dictionary <uint, FieldInfo> reliableProperties;
Dictionary <uint, FieldInfo> unreliableProperties;
Dictionary <uint, FieldInfo> modelProperties;
Dictionary <uint, FieldInfo> eventProperties;
GetRealtimePropertyAttributesForModel(modelClass, out allProperties, out reliableProperties, out unreliableProperties, out modelProperties, out eventProperties);
// Model configuration
bool hasNamespace = classNamespace != null;
bool hasChangeCache = reliableProperties.Count > 0;
// Model code
List <string> code = new List <string>();
int level = 0;
// Namespace
if (hasNamespace)
{
code.Add(Indent(level++) + "namespace " + classNamespace + " {");
}
// Class
code.Add(Indent(level++) + "public partial class " + className + " : IModel {");
// Public properties
if (allProperties.Count > 0)
{
code.Add(Indent(level) + "// Properties");
foreach (KeyValuePair <uint, FieldInfo> property in allProperties)
{
uint propertyID = property.Key;
FieldInfo field = property.Value;
if (reliableProperties.ContainsKey(propertyID))
{
// Reliable
code.Add(Indent(level++) + "public " + GetTypeAsString(field.FieldType) + " " + GetCleanPropertyName(field.Name, false) + " {");
code.Add(Indent(level) + "get { return _cache.LookForValueInCache(" + field.Name + ", entry => entry." + GetCleanPropertyName(field.Name, false) + "Set, entry => entry." + GetCleanPropertyName(field.Name, false) + "); }");
code.Add(Indent(level) + "set { if (value == " + GetCleanPropertyName(field.Name, false) + ") return; _cache.UpdateLocalCache(entry => { entry." + GetCleanPropertyName(field.Name, false) + "Set = true; entry." + GetCleanPropertyName(field.Name, false) + " = value; return entry; });" + (eventProperties.ContainsKey(propertyID) ? " Fire" + GetCleanPropertyName(field.Name, true) + "DidChange(value);" : "") + " }");
code.Add(Indent(--level) + "}");
}
else if (unreliableProperties.ContainsKey(propertyID))
{
// Unreliable
code.Add(Indent(level++) + "public " + GetTypeAsString(field.FieldType) + " " + GetCleanPropertyName(field.Name, false) + " {");
code.Add(Indent(level) + "get { return " + field.Name + "; }");
code.Add(Indent(level) + "set { if (value == " + field.Name + ") return; _" + GetCleanPropertyName(field.Name, false) + "ShouldWrite = true; " + field.Name + " = value;" + (eventProperties.ContainsKey(propertyID) ? " Fire" + GetCleanPropertyName(field.Name, true) + "DidChange(value);" : "") + " }");
code.Add(Indent(--level) + "}");
}
else if (modelProperties.ContainsKey(propertyID))
{
// Model
code.Add(Indent(level++) + "public " + GetTypeAsString(field.FieldType) + " " + GetCleanPropertyName(field.Name, false) + " {");
code.Add(Indent(level) + "get { return " + field.Name + "; }");
code.Add(Indent(--level) + "}");
}
}
code.Add(Indent(level));
}
// Events
if (eventProperties.Count > 0)
{
code.Add(Indent(level) + "// Events");
foreach (KeyValuePair <uint, FieldInfo> property in eventProperties)
{
FieldInfo field = property.Value;
code.Add(Indent(level) + "public delegate void " + GetCleanPropertyName(field.Name, true) + "DidChange(" + _script.GetClass().Name + " model, " + GetTypeAsString(field.FieldType) + " value);");
code.Add(Indent(level) + "public event " + GetCleanPropertyName(field.Name, true) + "DidChange " + GetCleanPropertyName(field.Name, false) + "DidChange;");
}
code.Add(Indent(level));
}
// Ownership
if (hasMetaModel)
{
code.Add(Indent(level) + "// Ownership");
code.Add(Indent(level) + "public int ownerID { get { return _metaModel.ownerID; } }");
code.Add(Indent(level));
code.Add(Indent(level++) + "public void RequestOwnership(int clientIndex) {");
code.Add(Indent(level) + "_metaModel.ownerID = clientIndex;");
code.Add(Indent(--level) + "}");
code.Add(Indent(level));
code.Add(Indent(level++) + "public void ClearOwnership() {");
code.Add(Indent(level) + "_metaModel.ownerID = -1;");
code.Add(Indent(--level) + "}");
code.Add(Indent(level));
}
// Meta model
if (hasMetaModel)
{
code.Add(Indent(level) + "// Meta model");
code.Add(Indent(level) + "private MetaModel _metaModel;");
code.Add(Indent(level));
}
// Change cache
if (hasChangeCache)
{
code.Add(Indent(level) + "// Delta updates");
code.Add(Indent(level++) + "private struct LocalCacheEntry {");
int longestTypeLength = 4; // bool
foreach (KeyValuePair <uint, FieldInfo> property in reliableProperties)
{
FieldInfo field = property.Value;
int typeLength = GetTypeAsString(field.FieldType).Length;
if (typeLength > longestTypeLength)
{
longestTypeLength = typeLength;
}
}
foreach (KeyValuePair <uint, FieldInfo> property in reliableProperties)
{
FieldInfo field = property.Value;
string typeName = GetTypeAsString(field.FieldType);
code.Add(Indent(level) + "public bool " + Space(longestTypeLength - 4) + GetCleanPropertyName(field.Name, false) + "Set;");
code.Add(Indent(level) + "public " + typeName + Space(longestTypeLength - typeName.Length) + " " + GetCleanPropertyName(field.Name, false) + ";");
}
code.Add(Indent(--level) + "}");
code.Add(Indent(level));
code.Add(Indent(level) + "private LocalChangeCache<LocalCacheEntry> _cache;");
code.Add(Indent(level));
}
// Unreliable property should write bools
if (unreliableProperties.Count > 0)
{
foreach (KeyValuePair <uint, FieldInfo> property in unreliableProperties)
{
FieldInfo field = property.Value;
code.Add(Indent(level) + "private bool _" + GetCleanPropertyName(field.Name, false) + "ShouldWrite;");
}
code.Add(Indent(level));
}
// Constructor
code.Add(Indent(level++) + "public " + className + "() {");
if (hasMetaModel)
{
code.Add(Indent(level) + "_metaModel = new MetaModel();");
}
if (hasChangeCache)
{
code.Add(Indent(level) + "_cache = new LocalChangeCache<LocalCacheEntry>();");
}
if (hasChangeCache && modelProperties.Count > 0)
{
code.Add(Indent(level));
}
if (modelProperties.Count > 0)
{
foreach (KeyValuePair <uint, FieldInfo> property in modelProperties)
{
FieldInfo field = property.Value;
code.Add(Indent(level) + field.Name + " = new " + GetTypeAsString(field.FieldType) + "();");
}
}
code.Add(Indent(--level) + "}");
code.Add(Indent(level));
// Events
if (eventProperties.Count > 0)
{
code.Add(Indent(level) + "// Events");
foreach (KeyValuePair <uint, FieldInfo> property in eventProperties)
{
FieldInfo field = property.Value;
code.Add(Indent(level++) + "public void Fire" + GetCleanPropertyName(field.Name, true) + "DidChange(" + GetTypeAsString(field.FieldType) + " value) {");
code.Add(Indent(level++) + "try {");
code.Add(Indent(level++) + "if (" + GetCleanPropertyName(field.Name, false) + "DidChange != null)");
code.Add(Indent(level--) + GetCleanPropertyName(field.Name, false) + "DidChange(this, value);");
code.Add(Indent(level - 1) + "} catch (System.Exception exception) {");
code.Add(Indent(level) + "Debug.LogException(exception);");
code.Add(Indent(--level) + "}");
code.Add(Indent(--level) + "}");
}
code.Add(Indent(level));
}
//// Serialization
// PropertyID enum
code.Add(Indent(level) + "// Serialization");
code.Add(Indent(level++) + "enum PropertyID {");
foreach (KeyValuePair <uint, FieldInfo> property in allProperties)
{
uint propertyID = property.Key;
FieldInfo field = property.Value;
code.Add(Indent(level) + GetCleanPropertyName(field.Name, true) + " = " + propertyID + ",");
}
code.Add(Indent(--level) + "}");
code.Add(Indent(level));
// Write Length
code.Add(Indent(level++) + "public int WriteLength(StreamContext context) {");
code.Add(Indent(level) + "int length = 0;");
code.Add(Indent(level));
code.Add(Indent(level++) + "if (context.fullModel) {");
if (hasChangeCache)
{
code.Add(Indent(level) + "// Mark unreliable properties as clean and flatten the in-flight cache.");
code.Add(Indent(level) + "// TODO: Move this out of WriteLength() once we have a prepareToWrite method.");
foreach (KeyValuePair <uint, FieldInfo> property in unreliableProperties)
{
FieldInfo field = property.Value;
code.Add(Indent(level) + "_" + GetCleanPropertyName(field.Name, false) + "ShouldWrite = false;");
}
foreach (KeyValuePair <uint, FieldInfo> property in reliableProperties)
{
FieldInfo field = property.Value;
code.Add(Indent(level) + field.Name + " = " + GetCleanPropertyName(field.Name, false) + ";");
}
code.Add(Indent(level) + "_cache.Clear();");
code.Add(Indent(level));
}
if (hasMetaModel)
{
code.Add(Indent(level) + "// Meta model");
code.Add(Indent(level) + "length += WriteStream.WriteModelLength(0, _metaModel, context);");
code.Add(Indent(level));
}
code.Add(Indent(level) + "// Write all properties");
foreach (KeyValuePair <uint, FieldInfo> property in allProperties)
{
uint propertyID = property.Key;
FieldInfo field = property.Value;
code.Add(Indent(level) + GetWriteLengthLineForProperty(field));
}
code.Add(Indent(level - 1) + "} else {");
// Meta model
if (hasMetaModel)
{
code.Add(Indent(level) + "// Meta model");
code.Add(Indent(level) + "length += WriteStream.WriteModelLength(0, _metaModel, context);");
}
if (hasMetaModel && unreliableProperties.Count > 0)
{
code.Add(Indent(level));
}
// Unreliable properties
if (unreliableProperties.Count > 0)
{
code.Add(Indent(level) + "// Unreliable properties");
code.Add(Indent(level++) + "if (context.unreliableChannel) {");
foreach (KeyValuePair <uint, FieldInfo> property in unreliableProperties)
{
FieldInfo field = property.Value;
code.Add(Indent(level++) + "if (_" + GetCleanPropertyName(field.Name, false) + "ShouldWrite) {");
code.Add(Indent(level) + GetWriteLengthLineForProperty(field));
code.Add(Indent(--level) + "}");
}
code.Add(Indent(--level) + "}");
}
if (unreliableProperties.Count > 0 && reliableProperties.Count > 0)
{
code.Add(Indent(level));
}
// Reliable properties
if (reliableProperties.Count > 0)
{
code.Add(Indent(level) + "// Reliable properties");
code.Add(Indent(level++) + "if (context.reliableChannel) {");
if (hasChangeCache)
{
code.Add(Indent(level) + "LocalCacheEntry entry = _cache.localCache;");
}
foreach (KeyValuePair <uint, FieldInfo> property in reliableProperties)
{
FieldInfo field = property.Value;
code.Add(Indent(level++) + "if (entry." + GetCleanPropertyName(field.Name, false) + "Set)");
code.Add(Indent(level--) + GetWriteLengthLineForProperty(field, true));
}
code.Add(Indent(--level) + "}");
}
if (reliableProperties.Count > 0 && modelProperties.Count > 0)
{
code.Add(Indent(level));
}
// Models
if (modelProperties.Count > 0)
{
code.Add(Indent(level) + "// Models");
foreach (KeyValuePair <uint, FieldInfo> property in modelProperties)
{
FieldInfo field = property.Value;
code.Add(Indent(level) + GetWriteLengthLineForProperty(field, false));
}
}
code.Add(Indent(--level) + "}");
code.Add(Indent(level));
code.Add(Indent(level) + "return length;");
code.Add(Indent(--level) + "}");
code.Add(Indent(level));
// Write
code.Add(Indent(level++) + "public void Write(WriteStream stream, StreamContext context) {");
code.Add(Indent(level++) + "if (context.fullModel) {");
if (hasMetaModel)
{
code.Add(Indent(level) + "// Meta model");
code.Add(Indent(level) + "stream.WriteModel(0, _metaModel, context);");
code.Add(Indent(level));
}
code.Add(Indent(level) + "// Write all properties");
foreach (KeyValuePair <uint, FieldInfo> property in allProperties)
{
uint propertyID = property.Key;
FieldInfo field = property.Value;
code.Add(Indent(level) + GetWriteLineForProperty(field));
}
code.Add(Indent(level - 1) + "} else {");
// Meta model
if (hasMetaModel)
{
code.Add(Indent(level) + "// Meta model");
code.Add(Indent(level) + "stream.WriteModel(0, _metaModel, context);");
}
if (hasMetaModel && unreliableProperties.Count > 0)
{
code.Add(Indent(level));
}
// Unreliable properties
if (unreliableProperties.Count > 0)
{
code.Add(Indent(level) + "// Unreliable properties");
code.Add(Indent(level++) + "if (context.unreliableChannel) {");
foreach (KeyValuePair <uint, FieldInfo> property in unreliableProperties)
{
FieldInfo field = property.Value;
code.Add(Indent(level++) + "if (_" + GetCleanPropertyName(field.Name, false) + "ShouldWrite) {");
code.Add(Indent(level) + GetWriteLineForProperty(field));
code.Add(Indent(level) + "_" + GetCleanPropertyName(field.Name, false) + "ShouldWrite = false;");
code.Add(Indent(--level) + "}");
}
code.Add(Indent(--level) + "}");
}
if (unreliableProperties.Count > 0 && reliableProperties.Count > 0)
{
code.Add(Indent(level));
}
// Reliable properties
if (reliableProperties.Count > 0)
{
code.Add(Indent(level) + "// Reliable properties");
code.Add(Indent(level++) + "if (context.reliableChannel) {");
if (hasChangeCache)
{
code.Add(Indent(level) + "LocalCacheEntry entry = _cache.localCache;");
code.Add(Indent(level++) + GetIfPushToChangeCacheLineForProperties(reliableProperties.Values));
code.Add(Indent(level--) + "_cache.PushLocalCacheToInflight(context.updateID);");
code.Add(Indent(level));
}
foreach (KeyValuePair <uint, FieldInfo> property in reliableProperties)
{
FieldInfo field = property.Value;
code.Add(Indent(level++) + "if (entry." + GetCleanPropertyName(field.Name, false) + "Set)");
code.Add(Indent(level--) + GetWriteLineForProperty(field, true));
}
code.Add(Indent(--level) + "}");
}
if (reliableProperties.Count > 0 && modelProperties.Count > 0)
{
code.Add(Indent(level));
}
// Models
if (modelProperties.Count > 0)
{
code.Add(Indent(level) + "// Models");
foreach (KeyValuePair <uint, FieldInfo> property in modelProperties)
{
FieldInfo field = property.Value;
code.Add(Indent(level) + GetWriteLineForProperty(field, false));
}
}
code.Add(Indent(--level) + "}");
code.Add(Indent(--level) + "}");
code.Add(Indent(level));
// Read
code.Add(Indent(level++) + "public void Read(ReadStream stream, StreamContext context) {");
if (hasChangeCache)
{
IEnumerable <KeyValuePair <uint, FieldInfo> > reliableEventProperties = reliableProperties.Intersect(eventProperties);
if (reliableEventProperties.Count() > 0)
{
foreach (KeyValuePair <uint, FieldInfo> property in reliableEventProperties)
{
uint propertyID = property.Key;
FieldInfo field = property.Value;
code.Add(Indent(level) + "bool " + GetCleanPropertyName(field.Name, false) + "ExistsInChangeCache = _cache.ValueExistsInCache(entry => entry." + GetCleanPropertyName(field.Name, false) + "Set);");
}
code.Add(Indent(level));
}
code.Add(Indent(level) + "// Remove from in-flight");
code.Add(Indent(level++) + "if (context.deltaUpdatesOnly && context.reliableChannel)");
code.Add(Indent(level--) + "_cache.RemoveUpdateFromInflight(context.updateID);");
code.Add(Indent(level));
}
code.Add(Indent(level) + "// Loop through each property and deserialize");
code.Add(Indent(level) + "uint propertyID;");
code.Add(Indent(level++) + "while (stream.ReadNextPropertyID(out propertyID)) {");
code.Add(Indent(level++) + "switch (propertyID) {");
if (hasMetaModel)
{
code.Add(Indent(level++) + "case 0:");
code.Add(Indent(level) + "// Meta model");
code.Add(Indent(level) + "stream.ReadModel(_metaModel, context);");
code.Add(Indent(level--) + "break;");
}
foreach (KeyValuePair <uint, FieldInfo> property in allProperties)
{
uint propertyID = property.Key;
FieldInfo field = property.Value;
bool reliableProperty = reliableProperties.ContainsKey(propertyID);
bool unreliableProperty = unreliableProperties.ContainsKey(propertyID);
bool eventProperty = eventProperties.ContainsKey(propertyID);
code.Add(Indent(level++) + "case (uint)PropertyID." + GetCleanPropertyName(field.Name, true) + ": {");
if (eventProperty)
{
code.Add(Indent(level) + GetTypeAsString(field.FieldType) + " previousValue = " + field.Name + ";");
code.Add(Indent(level));
}
code.Add(Indent(level) + GetReadLineForProperty(field));
if (unreliableProperty)
{
code.Add(Indent(level) + "_" + GetCleanPropertyName(field.Name, false) + "ShouldWrite = false;");
}
if (eventProperty)
{
code.Add(Indent(level));
code.Add(Indent(level++) + "if (" + (reliableProperty ? "!" + GetCleanPropertyName(field.Name, false) + "ExistsInChangeCache && " : "") + field.Name + " != previousValue)");
code.Add(Indent(level--) + "Fire" + GetCleanPropertyName(field.Name, true) + "DidChange(" + field.Name + ");");
}
code.Add(Indent(level) + "break;");
code.Add(Indent(--level) + "}");
}
code.Add(Indent(level++) + "default:");
code.Add(Indent(level) + "stream.SkipProperty();");
code.Add(Indent(level--) + "break;");
code.Add(Indent(--level) + "}");
code.Add(Indent(--level) + "}");
code.Add(Indent(--level) + "}");
// Class
code.Add(Indent(--level) + "}");
// Namespace
if (hasNamespace)
{
code.Add(Indent(--level) + "}");
}
// Convert to string and return
string codeString = "";
foreach (string line in code)
{
codeString += line + Environment.NewLine;
}
return(codeString);
}
