a7e428a21c
# Conflicts: # Content/Shaders/GI/DDGI.flax # Content/Shaders/GI/GlobalSurfaceAtlas.flax # Content/Shaders/TAA.flax # Content/Shaders/VolumetricFog.flax # Source/Editor/CustomEditors/Editors/ActorTagEditor.cs # Source/Engine/Core/Config/GraphicsSettings.cpp # Source/Engine/Engine/PostProcessEffect.cs # Source/Engine/Graphics/GPUResourcesCollection.cpp # Source/Engine/Graphics/GPUResourcesCollection.h # Source/Engine/Graphics/PostProcessBase.h # Source/FlaxEngine.Gen.cs
411 lines
14 KiB
C++
411 lines
14 KiB
C++
// Copyright (c) 2012-2023 Wojciech Figat. All rights reserved.
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#pragma once
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#include "ScriptingType.h"
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#include "Engine/Core/Types/Span.h"
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#include "Engine/Core/Types/String.h"
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#include "Engine/Core/Types/Variant.h"
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#include "Engine/Core/Collections/Dictionary.h"
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#include "Engine/Core/Collections/Array.h"
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#include "Engine/Core/ISerializable.h"
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#include "ManagedCLR/MAssemblyOptions.h"
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/// <summary>
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/// The scripting type method metadata for code reflection.
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/// </summary>
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struct ScriptingTypeMethodSignature
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{
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struct Param
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{
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VariantType Type;
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bool IsOut;
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};
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StringAnsiView Name;
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VariantType ReturnType;
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bool IsStatic;
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Array<Param, InlinedAllocation<16>> Params;
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};
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/// <summary>
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/// The scripting type field metadata for code reflection.
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/// </summary>
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struct ScriptingTypeFieldSignature
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{
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StringAnsiView Name;
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VariantType ValueType;
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bool IsStatic;
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};
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/// <summary>
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/// The scripting assembly container that holds the scripting types information and metadata.
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/// </summary>
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class FLAXENGINE_API BinaryModule
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{
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public:
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typedef Array<BinaryModule*, InlinedAllocation<32>> BinaryModulesList;
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public:
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/// <summary>
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/// The list with all registered binary modules (including external for plugins and other modules).
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/// </summary>
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static BinaryModulesList& GetModules();
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/// <summary>
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/// Finds the module by name.
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/// </summary>
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/// <param name="name">The module name.</param>
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/// <returns>The found binary module or null if missing.</returns>
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static BinaryModule* GetModule(const StringAnsiView& name);
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protected:
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/// <summary>
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/// Initializes a new instance of the <see cref="BinaryModule"/> class.
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/// </summary>
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BinaryModule();
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public:
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/// <summary>
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/// Finalizes an instance of the <see cref="BinaryModule"/> class.
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/// </summary>
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virtual ~BinaryModule()
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{
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}
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public:
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/// <summary>
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/// The scripting types collection that exist in this assembly.
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/// </summary>
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Array<ScriptingType> Types;
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/// <summary>
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/// The scripting types cache that maps the full typename to the scripting type index. Build after adding the type to the assembly.
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/// </summary>
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Dictionary<StringAnsi, int32> TypeNameToTypeIndex;
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public:
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/// <summary>
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/// Gets the assembly name.
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/// </summary>
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/// <returns>The assembly name.</returns>
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virtual const StringAnsi& GetName() const = 0;
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/// <summary>
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/// Returns true if module is loaded, otherwise false (it might not be loaded yet or failed to load).
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/// </summary>
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virtual bool IsLoaded() const = 0;
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/// <summary>
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/// Tries to find a given scripting type by the full name.
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/// </summary>
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/// <param name="typeName">The full name of the type eg: System.Int64.MaxInt.</param>
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/// <param name="typeIndex">The result type index in Types array of this module. Valid only if method returns true.</param>
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/// <returns>True if found a type, otherwise false.</returns>
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virtual bool FindScriptingType(const StringAnsiView& typeName, int32& typeIndex)
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{
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return TypeNameToTypeIndex.TryGet(typeName, typeIndex);
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}
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/// <summary>
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/// Tries to find a method in a given scripting type by the method name and parameters count.
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/// </summary>
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/// <remarks>If the the type contains more than one method of the given name and parameters count the returned value can be non-deterministic (one of the matching methods).</remarks>
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/// <param name="typeHandle">The type to find method inside it.</param>
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/// <param name="name">The method name.</param>
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/// <param name="numParams">The method parameters count.</param>
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/// <returns>The method or null if failed to get it.</returns>
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virtual void* FindMethod(const ScriptingTypeHandle& typeHandle, const StringAnsiView& name, int32 numParams = 0)
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{
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return nullptr;
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}
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/// <summary>
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/// Tries to find a method in a given scripting type by the method signature.
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/// </summary>
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/// <param name="typeHandle">The type to find method inside it.</param>
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/// <param name="signature">The method signature.</param>
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/// <returns>The method or null if failed to get it.</returns>
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virtual void* FindMethod(const ScriptingTypeHandle& typeHandle, const ScriptingTypeMethodSignature& signature);
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/// <summary>
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/// Invokes a given scripting method.
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/// </summary>
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/// <param name="method">The method.</param>
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/// <param name="instance">The object instance to call it's member method. Unused for static methods.</param>
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/// <param name="paramValues">The method parameters array. For output parameters the method writes the values back to the parameters. Length of this list has to match the method arguments amount.</param>
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/// <param name="result">The output value method returned. Not used for void method.</param>
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/// <returns>True if failed, otherwise false.</returns>
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virtual bool InvokeMethod(void* method, const Variant& instance, Span<Variant> paramValues, Variant& result)
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{
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return true;
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}
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/// <summary>
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/// Gets the scripting type method signature metadata.
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/// </summary>
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/// <param name="method">The method.</param>
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/// <param name="signature">The output method signature info.</param>
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virtual void GetMethodSignature(void* method, ScriptingTypeMethodSignature& signature)
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{
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}
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/// <summary>
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/// Tries to find a field in a given scripting type by the field name.
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/// </summary>
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/// <param name="typeHandle">The type to find field inside it.</param>
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/// <param name="name">The field name.</param>
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/// <returns>The field or null if failed to get it.</returns>
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virtual void* FindField(const ScriptingTypeHandle& typeHandle, const StringAnsiView& name)
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{
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return nullptr;
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}
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/// <summary>
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/// Gets the scripting type field signature metadata.
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/// </summary>
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/// <param name="field">The field.</param>
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/// <param name="fieldSignature">The output field signature info.</param>
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virtual void GetFieldSignature(void* field, ScriptingTypeFieldSignature& fieldSignature)
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{
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}
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/// <summary>
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/// Gets the value of a given scripting field.
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/// </summary>
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/// <param name="field">The field.</param>
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/// <param name="instance">The object instance to get it's member field. Unused for static fields.</param>
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/// <param name="result">The output field value.</param>
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/// <returns>True if failed, otherwise false.</returns>
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virtual bool GetFieldValue(void* field, const Variant& instance, Variant& result)
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{
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return true;
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}
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/// <summary>
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/// Sets the value of a given scripting field.
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/// </summary>
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/// <param name="field">The field.</param>
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/// <param name="instance">The object instance to set it's member field. Unused for static fields.</param>
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/// <param name="value">The field value to assign.</param>
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/// <returns>True if failed, otherwise false.</returns>
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virtual bool SetFieldValue(void* field, const Variant& instance, Variant& value)
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{
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return true;
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}
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/// <summary>
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/// Serializes the scripting object data. Called for objects using IsCustomScriptingType.
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/// </summary>
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/// <param name="stream">The output stream.</param>
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/// <param name="object">The object instance to serialize.</param>
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/// <param name="otherObj">The instance of the object to compare with and serialize only the modified properties. If null, then serialize all properties.</param>
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virtual void SerializeObject(JsonWriter& stream, ScriptingObject* object, const ScriptingObject* otherObj)
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{
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}
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/// <summary>
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/// Deserialize object from the input stream
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/// </summary>
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/// <param name="stream">The input stream.</param>
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/// <param name="object">The object instance to deserialize.</param>
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/// <param name="modifier">The deserialization modifier object. Always valid.</param>
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virtual void DeserializeObject(ISerializable::DeserializeStream& stream, ScriptingObject* object, ISerializeModifier* modifier)
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{
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}
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/// <summary>
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/// Called when object ID gets changed. Can be used to synchronize any cache in the scripting backend.
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/// </summary>
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/// <param name="object">The object instance.</param>
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/// <param name="oldId">The previous object ID.</param>
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virtual void OnObjectIdChanged(ScriptingObject* object, const Guid& oldId)
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{
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}
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/// <summary>
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/// Called when object gets removed (inside destructor). Can be used to clear any cached data inside the scripting backend.
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/// </summary>
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/// <param name="object">The object instance.</param>
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virtual void OnObjectDeleted(ScriptingObject* object)
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{
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}
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/// <summary>
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/// Unloads the module (native library and C# assembly and any other scripting data). Unregisters the module.
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/// </summary>
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/// <param name="isReloading">If true module is during reloading and should force release the runtime data. Used for C# assembly to cleanup it's runtime data in Mono (or other scripting runtime).</param>
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virtual void Destroy(bool isReloading);
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};
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/// <summary>
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/// The C#-only scripting assembly container that holds the native types information and supports interop with managed runtime.
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/// </summary>
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class FLAXENGINE_API ManagedBinaryModule : public BinaryModule
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{
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public:
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/// <summary>
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/// Finds the module by C# assembly.
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/// </summary>
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/// <param name="assembly">The module C# assembly.</param>
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/// <returns>The found binary module or null if missing.</returns>
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static ManagedBinaryModule* GetModule(const MAssembly* assembly);
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private:
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int32 _firstManagedTypeIndex = 0;
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Array<void*> _managedMemoryBlocks;
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public:
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/// <summary>
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/// Initializes a new instance of the <see cref="ManagedBinaryModule" /> class.
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/// </summary>
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/// <param name="name">The module name.</param>
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/// <param name="options">The assembly options.</param>
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ManagedBinaryModule(const StringAnsiView& name, const MAssemblyOptions& options);
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/// <summary>
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/// Initializes a new instance of the <see cref="ManagedBinaryModule" /> class.
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/// </summary>
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/// <param name="assembly">The managed assembly. Object will be deleted within the scripting assembly.</param>
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explicit ManagedBinaryModule(MAssembly* assembly);
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/// <summary>
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/// Finalizes an instance of the <see cref="ManagedBinaryModule"/> class.
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/// </summary>
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~ManagedBinaryModule();
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public:
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/// <summary>
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/// The managed assembly (C# DLL).
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/// </summary>
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MAssembly* Assembly;
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#if !COMPILE_WITHOUT_CSHARP
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/// <summary>
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/// The scripting types cache that maps the managed class to the scripting type index. Build after assembly is loaded and scripting types get the managed classes information.
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/// </summary>
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Dictionary<MonoClass*, int32, HeapAllocation> ClassToTypeIndex;
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#endif
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static ScriptingObject* ManagedObjectSpawn(const ScriptingObjectSpawnParams& params);
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static MMethod* FindMethod(MClass* mclass, const ScriptingTypeMethodSignature& signature);
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#if USE_MONO
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static ManagedBinaryModule* FindModule(MonoClass* klass);
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static ScriptingTypeHandle FindType(MonoClass* klass);
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#endif
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private:
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void OnLoading(MAssembly* assembly);
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void OnLoaded(MAssembly* assembly);
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void InitType(MClass* mclass);
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void OnUnloading(MAssembly* assembly);
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void OnUnloaded(MAssembly* assembly);
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public:
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// [BinaryModule]
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const StringAnsi& GetName() const override;
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bool IsLoaded() const override;
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void* FindMethod(const ScriptingTypeHandle& typeHandle, const StringAnsiView& name, int32 numParams = 0) override;
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void* FindMethod(const ScriptingTypeHandle& typeHandle, const ScriptingTypeMethodSignature& signature) override;
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bool InvokeMethod(void* method, const Variant& instance, Span<Variant> paramValues, Variant& result) override;
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void GetMethodSignature(void* method, ScriptingTypeMethodSignature& signature) override;
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void* FindField(const ScriptingTypeHandle& typeHandle, const StringAnsiView& name) override;
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void GetFieldSignature(void* field, ScriptingTypeFieldSignature& fieldSignature) override;
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bool GetFieldValue(void* field, const Variant& instance, Variant& result) override;
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bool SetFieldValue(void* field, const Variant& instance, Variant& value) override;
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void Destroy(bool isReloading) override;
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};
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/// <summary>
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/// The C# and C++ scripting assembly container that holds the native types information and supports interop with managed runtime.
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/// </summary>
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class FLAXENGINE_API NativeBinaryModule : public ManagedBinaryModule
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{
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public:
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/// <summary>
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/// Initializes a new instance of the <see cref="NativeBinaryModule" /> class.
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/// </summary>
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/// <param name="name">The module name.</param>
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/// <param name="options">The assembly options.</param>
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NativeBinaryModule(const StringAnsiView& name, const MAssemblyOptions& options);
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/// <summary>
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/// Initializes a new instance of the <see cref="NativeBinaryModule" /> class.
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/// </summary>
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/// <param name="assembly">The managed assembly. Object will be deleted within the scripting assembly.</param>
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explicit NativeBinaryModule(MAssembly* assembly);
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public:
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/// <summary>
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/// The native library (C++ DLL).
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/// </summary>
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void* Library;
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public:
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// [ManagedBinaryModule]
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void Destroy(bool isReloading) override;
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};
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/// <summary>
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/// The C++ scripting assembly container.
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/// </summary>
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class FLAXENGINE_API NativeOnlyBinaryModule : public BinaryModule
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{
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private:
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StringAnsi _name;
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public:
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/// <summary>
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/// Initializes a new instance of the <see cref="NativeOnlyBinaryModule" /> class.
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/// </summary>
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/// <param name="name">The module name.</param>
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NativeOnlyBinaryModule(const StringAnsiView& name);
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public:
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/// <summary>
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/// The native library (C++ DLL).
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/// </summary>
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void* Library;
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public:
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// [BinaryModule]
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const StringAnsi& GetName() const override;
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bool IsLoaded() const override;
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void Destroy(bool isReloading) override;
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};
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typedef BinaryModule* (*GetBinaryModuleFunc)();
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// Helper utility for registering native binary modules that are statically linked.
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class FLAXENGINE_API StaticallyLinkedBinaryModuleInitializer
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{
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private:
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GetBinaryModuleFunc _getter;
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public:
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static Array<GetBinaryModuleFunc, InlinedAllocation<64>>& GetStaticallyLinkedBinaryModules();
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explicit StaticallyLinkedBinaryModuleInitializer(GetBinaryModuleFunc getter);
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~StaticallyLinkedBinaryModuleInitializer();
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};
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