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/*
* Copyright (c) <2017> Side Effects Software Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
*/
#pragma once
#include "IHoudiniEngine.h"
#include "HoudiniEngineTaskInfo.h"
#include "HoudiniRuntimeSettings.h"
class UStaticMesh;
class FRunnableThread;
class FHoudiniEngineScheduler;
class HOUDINIENGINERUNTIME_API FHoudiniEngine : public IHoudiniEngine
{
public:
FHoudiniEngine();
/** IModuleInterface methods. **/
public:
virtual void StartupModule() override;
virtual void ShutdownModule() override;
/** IHoudiniEngine methods. **/
public:
virtual TWeakObjectPtr<UStaticMesh> GetHoudiniLogoStaticMesh() const override;
virtual TWeakObjectPtr<UMaterial> GetHoudiniDefaultMaterial() const override;
virtual TWeakObjectPtr<UHoudiniAsset> GetHoudiniBgeoAsset() const override;
#if WITH_EDITOR
virtual TSharedPtr< FSlateDynamicImageBrush > GetHoudiniLogoBrush() const override;
#endif
virtual bool CheckHapiVersionMismatch() const override;
virtual const FString & GetLibHAPILocation() const override;
virtual void AddTask( const FHoudiniEngineTask & Task ) override;
virtual void AddTaskInfo( const FGuid HapIGUID, const FHoudiniEngineTaskInfo & TaskInfo ) override;
virtual void RemoveTaskInfo( const FGuid HapIGUID ) override;
virtual bool RetrieveTaskInfo( const FGuid HapIGUID, FHoudiniEngineTaskInfo & TaskInfo ) override;
virtual HAPI_Result GetHapiState() const override;
virtual void SetHapiState( HAPI_Result Result ) override;
virtual const HAPI_Session * GetSession() const override;
virtual bool CookNode(
HAPI_NodeId AssetId, FHoudiniCookParams& HoudiniCookParams,
bool ForceRebuildStaticMesh, bool ForceRecookAll,
const TMap< FHoudiniGeoPartObject, UStaticMesh * > & StaticMeshesIn,
TMap< FHoudiniGeoPartObject, UStaticMesh * > & StaticMeshesOut,
TMap< FHoudiniGeoPartObject, TWeakObjectPtr<ALandscapeProxy> >& LandscapesIn,
TMap< FHoudiniGeoPartObject, TWeakObjectPtr<ALandscapeProxy> >& LandscapesOut,
TMap< FHoudiniGeoPartObject, USceneComponent * >& InstancersIn,
TMap< FHoudiniGeoPartObject, USceneComponent * >& InstancersOut,
USceneComponent* ParentComponent,
FTransform & ComponentTransform ) override;
void SetEnableCookingGlobal(const bool& enableCooking);
bool GetEnableCookingGlobal();
bool GetFirstSessionCreated() const;
bool StartSession(
HAPI_Session*& SessionPtr,
const bool& StartAutomaticServer,
const float& AutomaticServerTimeout,
const EHoudiniRuntimeSettingsSessionType& SessionType,
const FString& ServerPipeName,
const int32& ServerPort,
const FString& ServerHost);
bool StopSession( HAPI_Session*& SessionPtr );
bool RestartSession();
bool InitializeHAPISession();
public:
/** App identifier string. **/
static const FName HoudiniEngineAppIdentifier;
public:
/** Return singleton instance of Houdini Engine, used internally. **/
static FHoudiniEngine & Get();
/** Return true if singleton instance has been created. **/
static bool IsInitialized();
private:
/** Singleton instance of Houdini Engine. **/
static FHoudiniEngine * HoudiniEngineInstance;
private:
/** Static mesh used for Houdini logo rendering. **/
TWeakObjectPtr<UStaticMesh> HoudiniLogoStaticMesh;
/** Material used as default material. **/
TWeakObjectPtr<UMaterial> HoudiniDefaultMaterial;
/** Houdini digital asset used for loading the bgeo files. **/
TWeakObjectPtr<UHoudiniAsset> HoudiniBgeoAsset;
#if WITH_EDITOR
/** Houdini logo brush. **/
TSharedPtr< FSlateDynamicImageBrush > HoudiniLogoBrush;
#endif
/** Synchronization primitive. **/
FCriticalSection CriticalSection;
/** Map of task statuses. **/
TMap< FGuid, FHoudiniEngineTaskInfo > TaskInfos;
/** Thread used to execute the scheduler. **/
FRunnableThread * HoudiniEngineSchedulerThread;
/** Scheduler used to schedule HAPI instantiation and cook tasks. **/
FHoudiniEngineScheduler * HoudiniEngineScheduler;
/** Location of libHAPI binary. **/
FString LibHAPILocation;
/** Keep current state of HAPI. **/
HAPI_Result HAPIState;
/** Is set to true when mismatch between defined and running HAPI versions is detected. **/
bool bHAPIVersionMismatch;
/** The Houdini Engine session. **/
HAPI_Session Session;
/** Global cooking flag, used to pause HEngine while using the editor **/
bool EnableCookingGlobal;
// Indicates that the first attempt to create a session has been done
// This is to delay the first "automatic" session creation for the first cook
// or instantiation rather than when the module started.
bool FirstSessionCreated;
};