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XCEngine/engine/include/XCEngine/Scripting/Mono/MonoScriptRuntime.h

344 lines
13 KiB
C++

#pragma once
#include <XCEngine/Scripting/IScriptRuntime.h>
#include <XCEngine/Scripting/ScriptField.h>
#include <array>
#include <filesystem>
#include <memory>
#include <string>
#include <unordered_map>
#include <vector>
typedef struct _MonoDomain MonoDomain;
typedef struct _MonoAssembly MonoAssembly;
typedef struct _MonoImage MonoImage;
typedef struct _MonoClass MonoClass;
typedef struct _MonoObject MonoObject;
typedef struct _MonoMethod MonoMethod;
typedef struct _MonoClassField MonoClassField;
namespace XCEngine {
namespace Rendering {
namespace Pipelines {
struct ManagedRenderPipelineAssetDescriptor;
} // namespace Pipelines
} // namespace Rendering
namespace Scripting {
class ScriptComponent;
class MonoManagedRenderPipelineAssetRuntime;
class MonoManagedRenderPipelineBridge;
class MonoManagedRenderPipelineStageRecorder;
class MonoScriptRuntime : public IScriptRuntime {
public:
struct ManagedAssemblyDescriptor {
std::string name;
std::filesystem::path path;
};
struct Settings {
std::filesystem::path assemblyDirectory;
std::filesystem::path corlibDirectory;
std::filesystem::path coreAssemblyPath;
std::filesystem::path appAssemblyPath;
std::string coreAssemblyName = "XCEngine.ScriptCore";
std::string appAssemblyName = "GameScripts";
std::vector<ManagedAssemblyDescriptor> engineAssemblies;
std::string baseNamespace = "XCEngine";
std::string baseClassName = "MonoBehaviour";
};
explicit MonoScriptRuntime(Settings settings = {});
~MonoScriptRuntime() override;
static constexpr const char* EngineAssemblyManifestFileName =
"XCEngine.EngineAssemblies.txt";
static std::filesystem::path GetEngineAssemblyManifestPath(
const std::filesystem::path& assemblyDirectory);
static bool DiscoverEngineAssemblies(
Settings& ioSettings,
std::string* outError = nullptr);
bool Initialize();
void Shutdown();
bool IsInitialized() const { return m_initialized; }
const Settings& GetSettings() const { return m_settings; }
const std::string& GetLastError() const { return m_lastError; }
bool IsClassAvailable(
const std::string& assemblyName,
const std::string& namespaceName,
const std::string& className) const;
std::vector<std::string> GetScriptClassNames(const std::string& assemblyName = std::string()) const;
bool TryGetAvailableScriptClasses(
std::vector<ScriptClassDescriptor>& outClasses) const override;
bool TryGetAvailableRenderPipelineAssetClasses(
std::vector<ScriptClassDescriptor>& outClasses) const override;
bool TryGetClassFieldMetadata(
const std::string& assemblyName,
const std::string& namespaceName,
const std::string& className,
std::vector<ScriptFieldMetadata>& outFields) const override;
bool TryGetClassFieldDefaultValues(
const std::string& assemblyName,
const std::string& namespaceName,
const std::string& className,
std::vector<ScriptFieldDefaultValue>& outFields) const override;
bool HasManagedInstance(const ScriptComponent* component) const;
size_t GetManagedInstanceCount() const { return m_instances.size(); }
MonoObject* GetManagedInstanceObject(const ScriptComponent* component) const;
MonoObject* CreateManagedComponentWrapper(MonoClass* componentClass, uint64_t gameObjectUUID);
bool DestroyManagedObject(MonoObject* managedObject);
MonoObject* GetExternalManagedObject(uint32_t gcHandle) const;
uint32_t RetainExternalManagedObjectReference(MonoObject* managedObject);
void ReleaseExternalManagedObject(uint32_t gcHandle);
bool IsScriptableRenderPipelineAssetObject(MonoObject* managedObject) const;
bool TryEnsureManagedRenderPipelineAssetHandle(
Rendering::Pipelines::ManagedRenderPipelineAssetDescriptor& ioDescriptor);
bool TryGetFieldValue(
const ScriptComponent* component,
const std::string& fieldName,
ScriptFieldValue& outValue) const;
template<typename T>
bool TryGetFieldValue(const ScriptComponent* component, const std::string& fieldName, T& outValue) const {
ScriptFieldValue value;
if (!TryGetFieldValue(component, fieldName, value)) {
return false;
}
const auto* typedValue = std::get_if<T>(&value);
if (!typedValue) {
return false;
}
outValue = *typedValue;
return true;
}
void OnRuntimeStart(Components::Scene* scene) override;
void OnRuntimeStop(Components::Scene* scene) override;
bool TrySetManagedFieldValue(
const ScriptRuntimeContext& context,
const std::string& fieldName,
const ScriptFieldValue& value) override;
bool TryGetManagedFieldValue(
const ScriptRuntimeContext& context,
const std::string& fieldName,
ScriptFieldValue& outValue) const override;
void SyncManagedFieldsToStorage(const ScriptRuntimeContext& context) override;
bool CreateScriptInstance(const ScriptRuntimeContext& context) override;
void DestroyScriptInstance(const ScriptRuntimeContext& context) override;
void InvokeMethod(const ScriptRuntimeContext& context, ScriptLifecycleMethod method, float deltaTime) override;
void InvokePhysicsMessage(
const ScriptRuntimeContext& context,
ScriptPhysicsMessage message,
Components::GameObject* other) override;
private:
static constexpr size_t LifecycleMethodCount = 8;
static constexpr size_t PhysicsMessageCount = 6;
struct PhysicsMessageMethods {
MonoMethod* withGameObject = nullptr;
MonoMethod* withoutArgs = nullptr;
};
struct FieldMetadata {
ScriptFieldType type = ScriptFieldType::None;
MonoClassField* field = nullptr;
MonoClass* componentClass = nullptr;
bool isEnum = false;
int32_t enumUnderlyingType = 0;
};
struct ClassMetadata {
std::string assemblyName;
std::string namespaceName;
std::string className;
std::string fullName;
MonoClass* monoClass = nullptr;
std::array<MonoMethod*, LifecycleMethodCount> lifecycleMethods{};
std::array<PhysicsMessageMethods, PhysicsMessageCount> physicsMessageMethods{};
std::unordered_map<std::string, FieldMetadata> fields;
};
struct InstanceKey {
uint64_t gameObjectUUID = 0;
uint64_t scriptComponentUUID = 0;
bool operator==(const InstanceKey& other) const {
return gameObjectUUID == other.gameObjectUUID
&& scriptComponentUUID == other.scriptComponentUUID;
}
};
struct InstanceKeyHasher {
size_t operator()(const InstanceKey& key) const;
};
struct InstanceData {
const ClassMetadata* classMetadata = nullptr;
uint32_t gcHandle = 0;
};
struct ExternalManagedObjectData {
MonoClass* monoClass = nullptr;
uint32_t gcHandle = 0;
};
struct LoadedManagedAssemblyData {
MonoAssembly* assembly = nullptr;
MonoImage* image = nullptr;
};
bool ResolveSettings();
bool InitializeRootDomain();
bool CreateAppDomain();
void DestroyAppDomain();
void SetCurrentDomain() const;
bool LoadAssemblies();
bool LoadAssemblyImage(
const ManagedAssemblyDescriptor& descriptor,
const char* roleLabel,
MonoAssembly*& outAssembly,
MonoImage*& outImage);
bool DiscoverScriptClasses();
void DiscoverScriptClassesInImage(const std::string& assemblyName, MonoImage* image);
void DiscoverRenderPipelineAssetClassesInImage(
const std::string& assemblyName,
MonoImage* image);
bool IsMonoBehaviourSubclass(MonoClass* monoClass) const;
bool IsSupportedComponentFieldClass(MonoClass* monoClass) const;
bool IsScriptComponentFieldClass(MonoClass* monoClass) const;
FieldMetadata BuildFieldMetadata(MonoClassField* field) const;
static const char* ToLifecycleMethodName(ScriptLifecycleMethod method);
static const char* ToPhysicsMessageMethodName(ScriptPhysicsMessage message);
const ClassMetadata* FindClassMetadata(
const std::string& assemblyName,
const std::string& namespaceName,
const std::string& className) const;
InstanceData* FindInstance(const ScriptRuntimeContext& context);
const InstanceData* FindInstance(const ScriptRuntimeContext& context) const;
const InstanceData* FindInstance(const ScriptComponent* component) const;
MonoObject* GetManagedObject(const InstanceData& instanceData) const;
bool ApplyContextFields(const ScriptRuntimeContext& context, MonoObject* instance);
bool ApplyStoredFields(const ScriptRuntimeContext& context, const ClassMetadata& metadata, MonoObject* instance);
MonoObject* CreateManagedGameObject(uint64_t gameObjectUUID);
bool HasSerializeFieldAttribute(MonoClassField* field) const;
bool TryExtractComponentReference(MonoObject* managedObject, ComponentReference& outReference) const;
bool TryExtractGameObjectReference(MonoObject* managedObject, GameObjectReference& outReference) const;
bool TrySetFieldValue(MonoObject* instance, const FieldMetadata& fieldMetadata, const ScriptFieldValue& value);
bool TryReadFieldValue(MonoObject* instance, const FieldMetadata& fieldMetadata, ScriptFieldValue& outValue) const;
void ClearManagedInstances();
void ClearExternalManagedObjects();
void ClearClassCache();
MonoImage* FindLoadedAssemblyImage(const std::string& assemblyName) const;
bool ResolveManagedClass(
const std::string& assemblyName,
const std::string& namespaceName,
const std::string& className,
MonoClass*& outClass) const;
bool CreateExternalManagedObject(
const std::string& assemblyName,
const std::string& namespaceName,
const std::string& className,
uint32_t& outHandle);
bool CreateExternalManagedObject(
MonoClass* monoClass,
uint32_t& outHandle);
uint32_t RetainExternalManagedObject(MonoObject* instance);
void DestroyExternalManagedObject(uint32_t gcHandle);
MonoObject* CreateManagedScriptableRenderContext(uint64_t nativeHandle);
MonoObject* CreateManagedCameraRenderRequestContext(
uint64_t nativeHandle);
MonoObject* CreateManagedRenderSceneSetupContext(
uint64_t nativeHandle);
MonoObject* CreateManagedDirectionalShadowExecutionContext(
uint64_t nativeHandle);
MonoObject* CreateManagedScriptableRenderPipelinePlanningContext(
uint64_t nativeHandle);
MonoObject* GetManagedObject(uint32_t gcHandle) const;
MonoMethod* ResolveManagedMethod(
MonoClass* monoClass,
const char* methodName,
int parameterCount) const;
MonoMethod* ResolveManagedMethod(
MonoObject* instance,
const char* methodName,
int parameterCount) const;
bool InvokeManagedMethod(
MonoObject* instance,
MonoMethod* method,
void** args = nullptr,
MonoObject** outReturnValue = nullptr);
void RecordException(MonoObject* exception);
void SetError(const std::string& error);
friend class MonoManagedRenderPipelineBridge;
friend class MonoManagedRenderPipelineAssetRuntime;
friend class MonoManagedRenderPipelineStageRecorder;
Settings m_settings;
Components::Scene* m_activeScene = nullptr;
bool m_initialized = false;
std::string m_lastError;
MonoDomain* m_appDomain = nullptr;
MonoAssembly* m_coreAssembly = nullptr;
MonoAssembly* m_appAssembly = nullptr;
MonoImage* m_coreImage = nullptr;
MonoImage* m_appImage = nullptr;
MonoClass* m_componentClass = nullptr;
MonoClass* m_behaviourClass = nullptr;
MonoClass* m_gameObjectClass = nullptr;
MonoClass* m_monoBehaviourClass = nullptr;
MonoClass* m_scriptableRenderPipelineAssetClass = nullptr;
MonoClass* m_scriptableRenderPipelineClass = nullptr;
MonoClass* m_scriptableRenderContextClass = nullptr;
MonoClass* m_cameraRenderRequestContextClass = nullptr;
MonoClass* m_renderSceneSetupContextClass = nullptr;
MonoClass* m_directionalShadowExecutionContextClass = nullptr;
MonoClass* m_scriptableRenderPipelinePlanningContextClass = nullptr;
MonoClass* m_serializeFieldAttributeClass = nullptr;
MonoMethod* m_gameObjectConstructor = nullptr;
MonoMethod* m_scriptableRenderContextConstructor = nullptr;
MonoMethod* m_cameraRenderRequestContextConstructor =
nullptr;
MonoMethod* m_renderSceneSetupContextConstructor =
nullptr;
MonoMethod* m_directionalShadowExecutionContextConstructor =
nullptr;
MonoMethod* m_scriptableRenderPipelinePlanningContextConstructor =
nullptr;
MonoClassField* m_managedGameObjectUUIDField = nullptr;
MonoClassField* m_gameObjectUUIDField = nullptr;
MonoClassField* m_scriptComponentUUIDField = nullptr;
std::unordered_map<std::string, ClassMetadata> m_classes;
std::vector<ScriptClassDescriptor> m_renderPipelineAssetClasses;
std::unordered_map<std::string, LoadedManagedAssemblyData>
m_loadedManagedAssemblies;
std::unordered_map<InstanceKey, InstanceData, InstanceKeyHasher> m_instances;
std::unordered_map<uint32_t, ExternalManagedObjectData> m_externalManagedObjects;
std::shared_ptr<void> m_runtimeLifetimeToken;
};
} // namespace Scripting
} // namespace XCEngine