Files
glitchy-engine-beef/GlitchyEngine/src/Scripting/ScriptEngine.bf
T
2023-12-23 00:44:04 +01:00

987 lines
28 KiB
Beef

using Mono;
using System;
using System.IO;
using System.Collections;
using GlitchyEngine.Core;
using GlitchyEngine.Math;
using GlitchyEngine.World;
using System.Diagnostics;
namespace GlitchyEngine.Scripting;
using internal GlitchyEngine.Scripting;
static sealed class ScriptEngineHelper
{
private static Dictionary<StringView, ScriptFieldType> _scriptFieldTypes = new Dictionary<StringView, ScriptFieldType>()
{
("System.String", .String),
("System.Boolean", .Bool),
("System.Char", .Char),
("System.SByte", .SByte),
("System.Int16", .Short),
("System.Int32", .Int),
("System.Int64", .Long),
("System.Byte", .Byte),
("System.UInt16", .UShort),
("System.UInt32", .UInt),
("System.UInt64", .ULong),
("System.Single", .Float),
("GlitchyEngine.Math.float2", .float2),
("GlitchyEngine.Math.float3", .float3),
("GlitchyEngine.Math.float4", .float4),
("System.Double", .Double),
("GlitchyEngine.Entity", .Entity),
} ~ delete _;
public static ScriptFieldType GetScriptFieldType(MonoType* monoType)
{
StringView typeName = StringView(Mono.mono_type_get_name(monoType));
return _scriptFieldTypes.TryGetValue(typeName, .. let scriptFieldType);
}
}
class EngineClasses
{
private ScriptClass s_ComponentRoot ~ _?.ReleaseRef();
private ScriptClass s_EntityRoot ~ _?.ReleaseRef();
private ScriptClass s_EngineObject ~ _?.ReleaseRef();
private ScriptClass s_EntityEditor ~ _?.ReleaseRef();
private ScriptClass s_EntitySerializer ~ _?.ReleaseRef();
private ScriptClass s_SerializationContext ~ _?.ReleaseRef();
public ScriptClass ComponentRoot => s_ComponentRoot;
public ScriptClass EntityRoot => s_EntityRoot;
public ScriptClass EngineObject => s_EngineObject;
public ScriptClass EntityEditor => s_EntityEditor;
public ScriptClass EntitySerializer => s_EntitySerializer;
//public ScriptClass SerializationContext => s_SerializationContext;
internal void ReleaseAndNullify()
{
ReleaseRefAndNullify!(s_EngineObject);
ReleaseRefAndNullify!(s_EntityRoot);
ReleaseRefAndNullify!(s_ComponentRoot);
ReleaseRefAndNullify!(s_EntityEditor);
ReleaseRefAndNullify!(s_EntitySerializer);
ReleaseRefAndNullify!(s_SerializationContext);
}
internal void LoadClasses(MonoImage* image)
{
ReleaseAndNullify();
s_EngineObject = new ScriptClass("GlitchyEngine.Core", "EngineObject", image, .Class);
s_EntityRoot = new ScriptClass("GlitchyEngine", "Entity", image, .Entity);
s_ComponentRoot = new ScriptClass("GlitchyEngine.Core", "Component", image, .Component);
// Editor classes
s_EntityEditor = new ScriptClass("GlitchyEngine.Editor", "EntityEditor", image, .Class);
s_EntitySerializer = new ScriptClass("GlitchyEngine.Serialization", "EntitySerializer", image, .Class);
//s_SerializationContext = new ScriptClass("GlitchyEngine.Serialization", "EntitySerializer.SerializationContext", image, .Class);
}
}
static class ScriptEngine
{
private static MonoDomain* s_RootDomain;
private static MonoDomain* s_AppDomain;
private static MonoAssembly* s_CoreAssembly;
private static MonoImage* s_CoreAssemblyImage;
private static MonoAssembly* s_AppAssembly;
private static MonoImage* s_AppAssemblyImage;
private static Scene s_Context ~ _?.ReleaseRef();
private static append EngineClasses _classes = .();
public static EngineClasses Classes => _classes;
private static Dictionary<StringView, SharpType> _sharpClasses = new .() ~ DeleteDictionaryAndReleaseValues!(_);
private static Dictionary<StringView, ScriptClass> _entityScripts = new .() ~ DeleteDictionaryAndReleaseValues!(_);
private static Dictionary<StringView, ScriptClass> _componentClasses = new .() ~ DeleteDictionaryAndReleaseValues!(_);
private static Dictionary<UUID, ScriptInstance> _entityScriptInstances = new .() ~ {
for (var entry in _)
{
entry.value?.ReleaseRef();
}
delete _;
}
public static Dictionary<StringView, ScriptClass> EntityClasses => _entityScripts;
public static Dictionary<StringView, ScriptClass> ComponentClasses => _componentClasses;
/// Gets or sets the current scene context for the runtime.
public static Scene Context
{
get => s_Context;
private set => SetReference!(s_Context, value);
}
private static Dictionary<UUID, ScriptFieldMap> _entityFields = new .() ~
{
for (var value in _entityFields.Values)
{
DeleteDictionaryAndKeys!(value);
}
delete _;
};
private static FileSystemWatcher _userAssemblyWatcher ~ delete _;
// TODO: This should be a global setting somewhere
private static bool _debuggingEnabled = true;
private static String _appAssemblyPath = new .() ~ delete _;
internal static class Attributes
{
internal static MonoClass* s_ShowInEditorAttribute;
internal static MonoClass* s_RunInEditModeAttribute;
}
public class ApplicationData
{
private bool _isEditor;
private bool _isPlayer;
private bool _isInEditMode;
private bool _isInPlayMode;
public bool IsEditor
{
get => _isEditor;
set
{
_isEditor = value;
if (_isEditor)
_isPlayer = false;
}
}
public bool IsPlayer
{
get => _isPlayer;
set
{
_isPlayer = value;
if (_isPlayer)
_isEditor = false;
}
}
public bool IsInEditMode
{
get => _isInEditMode;
set
{
_isInEditMode = value;
if (_isInEditMode)
_isInPlayMode = false;
}
}
public bool IsInPlayMode
{
get => _isInPlayMode;
set
{
_isInPlayMode = value;
if (_isInPlayMode)
_isInEditMode = false;
}
}
}
private static ApplicationData _applicationData = new ApplicationData() ~ delete _;
/// Contains information about the application context
public static ApplicationData ApplicationInfo => _applicationData;
public static void Init()
{
InitMono();
ScriptGlue.Init();
LoadScriptAssemblies();
}
/// Changes the path to the current app assembly.
public static void SetAppAssemblyPath(StringView appAssemblyPath)
{
_appAssemblyPath.Set(appAssemblyPath);
ReloadAssemblies();
}
static void InitMono()
{
Mono.mono_set_assemblies_path("mono/lib/4.5");
if (_debuggingEnabled)
{
char8*[2] options = .(
"--debugger-agent=transport=dt_socket,address=127.0.0.1:2550,server=y,suspend=n,loglevel=3,logfile=MonoDebugger.log",
"--soft-breakpoints"
);
Mono.mono_jit_parse_options(options.Count, &options);
Mono.mono_debug_init(.Mono);
}
s_RootDomain = Mono.mono_jit_init("GlitchyEngineJITRuntime");
Log.EngineLogger.Assert(s_RootDomain != null, "Failed to initialize mono root domain");
if (_debuggingEnabled)
{
Mono.mono_debug_domain_create(s_RootDomain);
}
Mono.mono_thread_set_main(Mono.mono_thread_current());
}
static bool _requestingReload = false;
static void InitAssemblyWatcher()
{
// We don't need a file system watcher, if we have nothing to watch...
if (!File.Exists(_appAssemblyPath))
return;
String directory = scope .();
Path.GetDirectoryPath(_appAssemblyPath, directory);
/*if (_userAssemblyWatcher != null) // _userAssemblyWatcher.Directory != directory
{
delete _userAssemblyWatcher;
}*/
String fileName = scope .("*/");
Path.GetFileName(_appAssemblyPath, fileName);
if (_userAssemblyWatcher == null)
{
_userAssemblyWatcher = new FileSystemWatcher(directory, fileName);
_userAssemblyWatcher.OnChanged.Add(new (fileName) =>
{
_userAssemblyWatcher.StopRaisingEvents();
if (_requestingReload)
return;
_requestingReload = true;
// TODO: Temporary, we want to be able to reload while in play-mode. (+ Editor Scripts will be a thing some day)
if (_entityScriptInstances.Count > 0)
{
Log.EngineLogger.Warning("There are script instances. Skipping assembly reload.");
return;
}
Log.EngineLogger.Info("Script reload requested.");
Application.Instance.InvokeOnMainThread(new () =>
{
Log.EngineLogger.Info("Reloading scripts...");
ReloadAssemblies();
Log.EngineLogger.Info("Scripts reloaded!");
_requestingReload = false;
_userAssemblyWatcher.StartRaisingEvents();
});
});
}
_userAssemblyWatcher.StartRaisingEvents();
}
/// Gets rid of all entity fields.
public static void ClearEntityScriptFields()
{
for (var value in _entityFields.Values)
{
DeleteDictionaryAndKeys!(value);
}
_entityFields.Clear();
}
static void LoadScriptAssemblies()
{
CreateAppDomain("GlitchyEngineScriptRuntime");
(s_CoreAssembly, s_CoreAssemblyImage) = LoadAssembly("resources/scripts/ScriptCore.dll", _debuggingEnabled);
if (File.Exists(_appAssemblyPath))
(s_AppAssembly, s_AppAssemblyImage) = LoadAssembly(_appAssemblyPath, _debuggingEnabled);
else
{
s_AppAssembly = null;
s_AppAssemblyImage = null;
}
GetCoreAttributes();
Classes.LoadClasses(s_CoreAssemblyImage);
ClearDictionaryAndReleaseValues!(_sharpClasses);
ClearDictionaryAndReleaseValues!(_componentClasses);
ClearDictionaryAndReleaseValues!(_entityScripts);
GetComponentsFromAssemblies();
GetEntitiesFromAssemblies();
ScriptGlue.RegisterManagedComponents();
InitAssemblyWatcher();
}
/// Starts the script runtime and sets the context scene.
public static void StartRuntime(Scene context)
{
/// At the moment only set the context.
Debug.Assert(s_Context == null, "StartRuntime was called twice without StopRuntime in between!");
Context = context;
}
/// Stopts the script runtime and disposes of all script instances.
public static void StopRuntime()
{
if (Context == null)
{
// There should be nothing to do, if we have no context
Debug.Assert(_entityScriptInstances.Count == 0, "There are script instances but no context scene.");
return;
}
for (let (id, instance) in _entityScriptInstances)
{
instance?.ReleaseRef();
Entity entity = Context.GetEntityByID(id);
// Remove Instance from script
ScriptComponent* script = entity.GetComponent<ScriptComponent>();
script.Instance = null;
}
_entityScriptInstances.Clear();
Context = null;
}
public static bool InitializeInstance(Entity entity, ScriptComponent* script)
{
ScriptClass scriptClass = GetScriptClass(script.ScriptClassName);
if (scriptClass == null)
return false;
UUID entityId = entity.UUID;
script.Instance = new ScriptInstance(entityId, scriptClass);
script.Instance..ReleaseRef();
if (_entityScriptInstances.TryGetValue(entityId, let currentInstance))
currentInstance.ReleaseRef();
_entityScriptInstances[entityId] = script.Instance..AddRef();
script.Instance.Instantiate(entityId);
return true;
}
public static void DestroyInstance(Entity entity, ScriptComponent* script)
{
UUID entityId = entity.UUID;
if (script.Instance != null)
script.Instance = null;
script.ScriptClassName = null;
if (_entityScriptInstances.TryGetValue(entityId, let currentInstance))
currentInstance.ReleaseRef();
_entityScriptInstances[entityId] = null;
}
/// Returns an instance that can be used as a reference to the entity with the given ID in Scripts
private static MonoObject* GetOrCreateScriptReferenceInstance(UUID entityId)
{
MonoObject* referencedEntity = GetManagedInstance(entityId);
if (referencedEntity == null)
{
referencedEntity = Classes.EntityRoot.CreateInstance(entityId, let exception);
if (exception != null)
ScriptEngine.HandleMonoException(exception, null);
}
return referencedEntity;
}
/// Creates an instance of the given component class referencing the specified entity instance.
private static MonoObject* CreateComponentReferenceInstance(ScriptClass componentClass, UUID id)//MonoObject* entityReferenceInstance)
{
MonoObject* componentInstance = componentClass.CreateInstance();
MonoClassField* idField = Mono.mono_class_get_field_from_name(componentClass.[Friend]_monoClass, "_uuid");
Classes.ComponentRoot.SetFieldValue<UUID>(componentInstance, idField, id);
/*// TODO: We could cache the property, but this might be fine
MonoProperty* entityProperty = Mono.mono_class_get_property_from_name(componentClass.[Friend]_monoClass, "Entity");
MonoObject* exception = null;
//#unwarn
//Mono.mono_property_set_value(entityProperty, componentInstance, (void**)&entityReferenceInstance, &exception);
#unwarn
Mono.mono_property_set_value(entityProperty, componentInstance, (void**)&id, &exception);
if (exception != null)
ScriptEngine.HandleMonoException((MonoException*)exception, null);*/
return componentInstance;
}
public static void CopyEditorFieldsToInstance(Entity entity, ScriptComponent* script)
{
Log.EngineLogger.AssertDebug(script.Instance != null);
// Technically the map is for a different entity (namely the editor-entity),
// however the UUID is the same, so we get the correct field map
let fields = GetScriptFieldMap(entity);
for (var (fieldName, field) in fields)
{
// TODO: a litte assertion maybe?
ScriptField scriptField = script.Instance.ScriptClass.Fields[fieldName];
switch (scriptField.FieldType)
{
case .Entity:
// On the C# side we actually differentiate between an Entity and the Script
// in the sense that getting an entity and a script yields two different results (one creates a new Entity-Class instance, the other returns the actual instance).
// But here its just easier to always use the script instance.
// Obviously breaks once we support multiple scripts per entity.
UUID referencedId = field.GetData<UUID>();
MonoObject* referencedEntity = GetOrCreateScriptReferenceInstance(referencedId);
script.Instance.SetFieldValue(scriptField, referencedEntity);
case .Component:
// Get or create entity reference
UUID referencedId = field.GetData<UUID>();
//MonoObject* referencedEntity = GetOrCreateScriptReferenceInstance(referencedId);
MonoType* fieldMonoType = scriptField.GetMonoType();
SharpType componentType = ScriptEngine.GetSharpType(fieldMonoType);
var componentClass = ComponentClasses[componentType.FullName];
//MonoObject* componentInstance = CreateComponentReferenceInstance(componentClass, referencedEntity);
MonoObject* componentInstance = CreateComponentReferenceInstance(componentClass, referencedId);
script.Instance.SetFieldValue(scriptField, componentInstance);
componentType.ReleaseRef();
case .Struct:
// TODO: Handle Structs when copying fields to instance.
case .Class:
// TODO: Handle Class when copying fields to instance.
case .String:
// TODO: Handle String when copying fields to instance.
default:
script.Instance.SetFieldValue(scriptField, field._data);
}
}
}
public static void CopyFieldsToInstance(ScriptComponent* targetScript, ScriptComponent* sourceScript, Dictionary<UUID, UUID> sourceIdToTargetId)
{
Debug.Profiler.ProfileFunction!();
Log.EngineLogger.AssertDebug(targetScript.Instance.ScriptClass == sourceScript.Instance.ScriptClass);
for (let (name, scriptField) in sourceScript.Instance.ScriptClass.Fields)
{
Debug.Profiler.ProfileScope!("Copy Field");
targetScript.Instance.CopyFieldValue(scriptField, sourceScript.Instance);
switch (scriptField.FieldType)
{
case .Entity:
let sourceEntityReference = sourceScript.Instance.GetFieldValue<MonoObject*>(scriptField);
MonoObject* referencedEntity = sourceEntityReference;
if (sourceEntityReference != null)
{
let idField = Mono.mono_class_get_field_from_name(Classes.EntityRoot._monoClass, "_uuid");
UUID sourceId = Classes.EntityRoot.GetFieldValue<UUID>(sourceEntityReference, idField);
// Check if we need to translate, copy otherwise
if (sourceIdToTargetId.TryGetValue(sourceId, let referencedId))
{
// On the C# side we actually differentiate between an Entity and the Script
// in the sense that getting an entity and a script yields two different results (one creates a new Entity-Class instance, the other returns the actual instance).
// But here its just easier to always use the script instance.
// Obviously breaks once we support multiple scripts per entity.
referencedEntity = GetOrCreateScriptReferenceInstance(referencedId);
}
}
targetScript.Instance.SetFieldValue(scriptField, referencedEntity);
case .Component:
let sourceComponentReference = sourceScript.Instance.GetFieldValue<MonoObject*>(scriptField);
MonoObject* componentInstance = sourceComponentReference;
// Get or create entity reference
if (sourceComponentReference != null)
{
let idField = Mono.mono_class_get_field_from_name(Classes.EngineObject._monoClass, "_uuid");
UUID sourceId = Classes.EntityRoot.GetFieldValue<UUID>(sourceComponentReference, idField);
MonoType* fieldMonoType = scriptField.GetMonoType();
SharpType componentType = ScriptEngine.GetSharpType(fieldMonoType);
var componentClass = ComponentClasses[componentType.FullName];
if (sourceIdToTargetId.TryGetValue(sourceId, let targetId))
{
// Create reference for translated id
componentInstance = CreateComponentReferenceInstance(componentClass, targetId);
}
componentType.ReleaseRef();
}
targetScript.Instance.SetFieldValue(scriptField, componentInstance);
default:
targetScript.Instance.CopyFieldValue(scriptField, sourceScript.Instance);
}
}
}
private static MonoAssembly* LoadCSharpAssembly(StringView assemblyPath, bool loadPDB = false)
{
Debug.Profiler.ProfileFunction!();
List<uint8> data = new List<uint8>(1024);
File.ReadAll(assemblyPath, data);
// NOTE: We can't use this image for anything other than loading the assembly because this image doesn't have a reference to the assembly
MonoImageOpenStatus status = .ImageInvalid;
MonoImage* image = Mono.mono_image_open_from_data_full(data.Ptr, (.)data.Count, true, &status, false);
delete data;
if (status != .Ok)
{
char8* errorMessage = Mono.mono_image_strerror(status);
Log.EngineLogger.Error($"Failed to load C# Assembly: \"{StringView(errorMessage)}\"");
return null;
}
if (loadPDB)
{
String pdbPath = scope .();
Path.ChangeExtension(assemblyPath, ".pdb", pdbPath);
if (File.Exists(pdbPath))
{
Log.EngineLogger.Trace($"Loading PDB \"{pdbPath}\"...");
List<uint8> pdbData = new List<uint8>(1024);
let result = File.ReadAll(pdbPath, pdbData);
if (result case .Err(let error))
{
Log.EngineLogger.Error("Failed to load PDB file ({error}).");
}
Mono.mono_debug_open_image_from_memory(image, pdbData.Ptr, (int32)pdbData.Count);
delete pdbData;
}
else
{
Log.EngineLogger.Warning($"Debugging enabled but no PDB-File found \"{assemblyPath}\".");
}
}
MonoAssembly* assembly = Mono.mono_assembly_load_from_full(image, assemblyPath.ToScopeCStr!(), &status, 0);
Mono.mono_image_close(image);
return assembly;
}
static void CreateAppDomain(StringView name)
{
s_AppDomain = Mono.mono_domain_create_appdomain(name.ToScopeCStr!(), null);
Mono.mono_domain_set(s_AppDomain, true);
}
static (MonoAssembly* assembly, MonoImage* image) LoadAssembly(StringView filepath, bool loadPDB = false)
{
MonoAssembly* assembly = LoadCSharpAssembly(filepath, loadPDB);
MonoImage* image = Mono.mono_assembly_get_image(assembly);
return (assembly, image);
}
/// Retrieves the classes for Attributes that are defined in the Core library
static void GetCoreAttributes()
{
// We definitely need these attributes!
// TODO: Some only for the editor!
Attributes.s_ShowInEditorAttribute = Mono.mono_class_from_name(s_CoreAssemblyImage, "GlitchyEngine.Editor", "ShowInEditorAttribute");
Debug.Assert(Attributes.s_ShowInEditorAttribute != null);
Attributes.s_RunInEditModeAttribute = Mono.mono_class_from_name(s_CoreAssemblyImage, "GlitchyEngine.Editor", "RunInEditModeAttribute");
Debug.Assert(Attributes.s_RunInEditModeAttribute != null);
}
private static void GetEntitiesFromAssemblies()
{
if (s_AppAssemblyImage == null)
return;
MonoTableInfo* typeDefinitionsTable = Mono.mono_image_get_table_info(s_AppAssemblyImage, .MONO_TABLE_TYPEDEF);
int32 numTypes = Mono.mono_table_info_get_rows(typeDefinitionsTable);
for (int32 i = 0; i < numTypes; i++)
{
int32[(.)SOME_RANDOM_ENUM.MONO_TYPEDEF_SIZE] cols = .();
Mono.mono_metadata_decode_row(typeDefinitionsTable, i, (.)&cols, (.)SOME_RANDOM_ENUM.MONO_TYPEDEF_SIZE);
char8* nameSpace = Mono.mono_metadata_string_heap(s_AppAssemblyImage, (.)cols[(.)SOME_RANDOM_ENUM.MONO_TYPEDEF_NAMESPACE]);
char8* name = Mono.mono_metadata_string_heap(s_AppAssemblyImage, (.)cols[(.)SOME_RANDOM_ENUM.MONO_TYPEDEF_NAME]);
MonoClass* monoClass = Mono.mono_class_from_name(s_AppAssemblyImage, nameSpace, name);
// Check if it is an entity
if (monoClass != null && Mono.mono_class_is_subclass_of(monoClass, Classes.EntityRoot.[Friend]_monoClass, false))
{
ScriptClass entityScript = new ScriptClass(StringView(nameSpace), StringView(name), s_AppAssemblyImage, .Entity);
_entityScripts.Add(entityScript.FullName, entityScript);
Log.EngineLogger.Info($"Added entity \"{entityScript.FullName}\"");
}
}
}
private static void GetComponentsFromAssemblies()
{
MonoTableInfo* typeDefinitionsTable = Mono.mono_image_get_table_info(s_CoreAssemblyImage, .MONO_TABLE_TYPEDEF);
int32 numTypes = Mono.mono_table_info_get_rows(typeDefinitionsTable);
for (int32 i = 0; i < numTypes; i++)
{
int32[(.)SOME_RANDOM_ENUM.MONO_TYPEDEF_SIZE] cols = .();
Mono.mono_metadata_decode_row(typeDefinitionsTable, i, (.)&cols, (.)SOME_RANDOM_ENUM.MONO_TYPEDEF_SIZE);
char8* nameSpace = Mono.mono_metadata_string_heap(s_CoreAssemblyImage, (.)cols[(.)SOME_RANDOM_ENUM.MONO_TYPEDEF_NAMESPACE]);
char8* name = Mono.mono_metadata_string_heap(s_CoreAssemblyImage, (.)cols[(.)SOME_RANDOM_ENUM.MONO_TYPEDEF_NAME]);
MonoClass* monoClass = Mono.mono_class_from_name(s_CoreAssemblyImage, nameSpace, name);
// Check if it is a component but not the root Component class
if (monoClass != null && monoClass != Classes.ComponentRoot.[Friend]_monoClass && Mono.mono_class_is_subclass_of(monoClass, Classes.ComponentRoot.[Friend]_monoClass, false))
{
ScriptClass componentClass = new ScriptClass(StringView(nameSpace), StringView(name), s_CoreAssemblyImage, .Component);
_componentClasses.Add(componentClass.FullName, componentClass);
Log.EngineLogger.Info($"Added component \"{componentClass.FullName}\"");
}
}
}
public static void ReloadAssemblies()
{
Debug.Profiler.ProfileFunction!();
Mono.mono_domain_set(s_RootDomain, false);
Mono.mono_domain_unload(s_AppDomain);
LoadScriptAssemblies();
// TODO: ScriptFields might get added
// TODO: ScriptField Types may change after reload!
// TODO: Scripts may be renamed (probably not detectable (trivially))
// TODO: Reload in play mode
// Only scripts that were changed should actually be reinstatiated
}
public static void Shutdown()
{
Mono.mono_domain_set(s_RootDomain, false);
Mono.mono_domain_unload(s_AppDomain);
s_AppDomain = null;
Mono.mono_jit_cleanup(s_RootDomain);
s_RootDomain = null;
}
internal static void RegisterSharpType(SharpType sharpType)
{
_sharpClasses.Add(sharpType.FullName, sharpType..AddRef());
}
internal static SharpType GetSharpType(MonoType* monoType)
{
StringView typeName = StringView(Mono.mono_type_get_name(monoType));
if (_sharpClasses.TryGetValue(typeName, let sharpType))
return sharpType..AddRef();
Mono.MonoTypeEnum fieldType = Mono.Mono.mono_type_get_type(monoType);
MonoClass* monoClass = Mono.mono_class_from_mono_type(monoType);
if (monoClass == null)
return null;
StringView className = StringView(Mono.mono_class_get_name(monoClass));
StringView classNamespace = StringView(Mono.mono_class_get_namespace(monoClass));
// TODO: at the moment only allow user-structs
//if (classNamespace.StartsWith("GlitchyEngine"))
// return null;
ScriptFieldType scriptType = .None;
if (Mono.mono_class_is_enum(monoClass))
{
scriptType = .Enum;
return new SharpEnum(classNamespace, className, Mono.mono_class_get_image(monoClass));
}
else if (fieldType == .Class)
{
if (Mono.mono_class_is_subclass_of(monoClass, Classes.EntityRoot._monoClass, false))
{
scriptType = .Entity;
}
else if (Mono.mono_class_is_subclass_of(monoClass, Classes.ComponentRoot._monoClass, false))
{
scriptType = .Component;
}
else
{
scriptType = .Class;
}
}
else if (fieldType == .Valuetype)
{
scriptType = .Struct;
}
// TODO! ?!
else if (fieldType == .Genericinst)
{
scriptType = .GenericClass;
return null;
//return new SharpClass(monoClass, scriptType);
}
else if (fieldType == .SzArray)
{
scriptType = .Array;
return null;
}
else if (fieldType == .Object)
{
// TODO: Help
return null;
}
Log.EngineLogger.AssertDebug(scriptType != .None);
return new SharpClass(classNamespace, className, Mono.mono_class_get_image(monoClass), scriptType);
}
public static void CreateScriptFieldMap(Entity entity)
{
Log.EngineLogger.AssertDebug(entity.IsValid);
if (_entityFields.TryGetValue(entity.UUID, var entityFields))
{
ClearDictionaryAndDeleteKeys!(entityFields);
}
else
{
entityFields = new ScriptFieldMap();
_entityFields.Add(entity.UUID, entityFields);
}
let scriptComponent = entity.GetComponent<ScriptComponent>();
ScriptClass scriptClass = GetScriptClass(scriptComponent.ScriptClassName);
Log.EngineLogger.AssertDebug(scriptClass != null);
void AddFieldsToMap(Dictionary<StringView, ScriptField> classFields, StringView baseName)
{
for (let (fieldName, field) in classFields)
{
/*if (field.FieldType == .Struct && field.SharpType != null)
{
AddFieldsToMap(field.SharpType.Fields, scope $"{baseName}{fieldName}.");
}
else
{
entityFields.Add(new $"{baseName}{fieldName}", ScriptFieldInstance(field.FieldType));
}*/
entityFields.Add(new String(fieldName), ScriptFieldInstance(field.FieldType));
}
}
AddFieldsToMap(scriptClass.Fields, "");
}
public static ScriptFieldMap GetScriptFieldMap(Entity entity)
{
Log.EngineLogger.AssertDebug(entity.IsValid);
let uuid = entity.UUID;
// TODO: Entites bekommen noch kein Eintrag hier!!
Log.EngineLogger.AssertDebug(_entityFields.ContainsKey(uuid));
return _entityFields[uuid];
}
/// Returns the script instance or null.
public static MonoObject* GetManagedInstance(UUID entityId)
{
if (_entityScriptInstances.TryGetValue(entityId, let scriptInstance))
return scriptInstance.MonoInstance;
return null;
}
public static ScriptClass GetScriptClass(StringView name)
{
EntityClasses.TryGetValue(name, let scriptClass);
return scriptClass;
}
internal static void HandleMonoException(MonoException* exception, ScriptInstance sourceInstance = null)
{
MonoExceptionHelper wrappedException = new MonoExceptionHelper(exception);
String entityInfo = scope .();
if (sourceInstance != null)
{
wrappedException.Instance = sourceInstance.EntityId;
Result<Entity> sourceEntity = Context.GetEntityByID(sourceInstance.EntityId);
if (sourceEntity case .Ok(let e))
{
entityInfo.AppendF($" ({e.Name} | {sourceInstance.EntityId})");
}
}
Log.ClientLogger.Error($"Mono Exception \"{wrappedException.FullName}\": \"{wrappedException.Message}\"{entityInfo}\nStackTrace:\n{wrappedException.StackTrace}", wrappedException);
wrappedException.ReleaseRef();
}
public static void ShowScriptEditor(Entity entity, ScriptComponent* scriptComponent)
{
if (scriptComponent.Instance == null)
return;
ScriptClass scriptClass = ScriptEngine.GetScriptClass(scriptComponent.ScriptClassName);
if (scriptClass == null)
return;
let monoType = scriptClass.GetMonoType();
let monoReflectionType = Mono.mono_type_get_object(s_AppDomain, monoType);
let entityId = entity.UUID;
#unwarn
void*[2] args = .(&entityId, monoReflectionType);
let method = Classes.EntityEditor.GetMethod("ShowDefaultEntityEditor", 2);
Classes.EntityEditor.Invoke(method, null, &args);
}
/// Serializes all script instances
public static void SerializeScriptInstances(Dictionary<UUID, SerializedObject> allObjects)
{
for (let (id, script) in _entityScriptInstances)
{
if (script.ScriptClass.ClassName != "SerializationTest")
continue;
SerializedObject object = new SerializedObject(allObjects);
object.Id = script.EntityId;
object.AllObjects = allObjects;
object.Serialize(script);
}
}
/// Deserializes the given data into the script instances
public static void DeserializeScriptInstances(Dictionary<UUID, SerializedObject> allObjects)
{
for (let (id, script) in _entityScriptInstances)
{
if (script.ScriptClass.ClassName != "SerializationTest")
continue;
if (allObjects.TryGetValue(id, let object))
{
object.Deserialize(script);
}
}
}
}