Removing HoudiniEngine plugin and main references (#7450)

* Removing Houdini plugin

* Restore HoudiniEngine ignore from .gitignore

---------

Co-authored-by: Blyron <53337103+Blyron@users.noreply.github.com>

Unreal/CarlaUE4/Plugins/CarlaTools/Source/CarlaTools/CarlaTools.Build.cs

@@ -6,7 +6,6 @@ using UnrealBuildTool;
 
 public class CarlaTools : ModuleRules
 {
-  bool UsingHoudini = true;
   bool bUsingOmniverseConnector = false;
   private bool IsWindows(ReadOnlyTargetRules Target)
   {
@@ -97,16 +96,6 @@ public class CarlaTools : ModuleRules
 				// ... add private dependencies that you statically link with here ...
 			}
 			);
-    if(UsingHoudini)
-    {
-      PrivateDependencyModuleNames.AddRange(
-        new string[]
-        {
-          "HoudiniEngine",
-          "HoudiniEngineEditor",
-          "HoudiniEngineRuntime"
-        });
-    }
     if(bUsingOmniverseConnector)
     {
       PrivateDependencyModuleNames.AddRange(

Unreal/CarlaUE4/Plugins/CarlaTools/Source/CarlaTools/Private/HoudiniImportNodeWrapper.cpp

@@ -5,7 +5,6 @@
 // For a copy, see <https://opensource.org/licenses/MIT>.
 
 #include "HoudiniImportNodeWrapper.h"
-#include "HoudiniAsset.h"
 
 UHoudiniImportNodeWrapper::UHoudiniImportNodeWrapper(const FObjectInitializer& ObjectInitializer)
 {
@@ -24,44 +23,15 @@ UHoudiniImportNodeWrapper* UHoudiniImportNodeWrapper::ImportBuildings(
     int ClusterSize, int CurrentCluster,
     bool bUseCOM)
 {
-  UE_LOG(LogCarlaTools, Log, TEXT("Start building import"));
-  UHoudiniAsset* InHoudiniAsset = Cast<UHoudiniAsset>(InHoudiniObject);
-  if (!InHoudiniAsset)
-  {
-    UE_LOG(LogCarlaTools, Error, TEXT("Houdini asset not valid"));
-    return nullptr;
-  }
-  UHoudiniImportNodeWrapper* WrapperNode = NewObject<UHoudiniImportNodeWrapper>();
-
-  TMap<FName, FHoudiniParameterTuple> InParameters = 
-  { {"userMapName", FHoudiniParameterTuple(MapName)},
-    {"osmPath", FHoudiniParameterTuple(OSMFilePath)},
-    {"clusterSize", FHoudiniParameterTuple(ClusterSize)},
-    {"displayedCluster", FHoudiniParameterTuple(CurrentCluster)},
-    {"startCooking", FHoudiniParameterTuple(true)},
-    {"lat", FHoudiniParameterTuple(Latitude)},
-    {"lon", FHoudiniParameterTuple(Longitude)},
-    {"centOfMass", FHoudiniParameterTuple(bUseCOM)}};
-  
-  WrapperNode->HDANode = 
-      UHoudiniPublicAPIProcessHDANode::ProcessHDA(
-      InHoudiniAsset, InInstantiateAt, InParameters, {}, {},
-      InWorldContextObject, nullptr,
-      true, true, "", EHoudiniEngineBakeOption::ToActor,
-      true);
-  WrapperNode->HDANode->Completed.AddDynamic(WrapperNode, &UHoudiniImportNodeWrapper::HandleCompleted);
-  WrapperNode->HDANode->Failed.AddDynamic(WrapperNode, &UHoudiniImportNodeWrapper::HandleFailed);
-  UE_LOG(LogCarlaTools, Log, TEXT("HDA node created"));
-  return WrapperNode;
+  UE_LOG(LogCarlaTools, Error, TEXT("Houdini asset not valid"));
+  return nullptr;
 }
 
 void UHoudiniImportNodeWrapper::Activate()
 {
-  HDANode->Activate();
 }
 
 void UHoudiniImportNodeWrapper::HandleCompleted(
-    UHoudiniPublicAPIAssetWrapper* , 
     bool bCookSuccess, bool bBakeSuccess)
 {
   UE_LOG(LogCarlaTools, Log, TEXT("Generation Finished"));
@@ -73,7 +43,6 @@ void UHoudiniImportNodeWrapper::HandleCompleted(
 }
 
 void UHoudiniImportNodeWrapper::HandleFailed(
-    UHoudiniPublicAPIAssetWrapper* ,
     bool bCookSuccess, bool bBakeSuccess)
 {
   UE_LOG(LogCarlaTools, Log, TEXT("Generation failed"));

Unreal/CarlaUE4/Plugins/CarlaTools/Source/CarlaTools/Public/HoudiniImportNodeWrapper.h

@@ -8,9 +8,6 @@
 
 #include "CoreMinimal.h"
 #include "Kismet/BlueprintAsyncActionBase.h"
-
-#include "HoudiniPublicAPIProcessHDANode.h"
-
 #include "HoudiniImportNodeWrapper.generated.h"
 
 // Delegate type for output pins on the node.
@@ -49,17 +46,13 @@ protected:
 
   UFUNCTION()
   void HandleCompleted(
-      UHoudiniPublicAPIAssetWrapper* AssetWrapper, 
       bool bCookSuccess, 
       bool bBakeSuccess);
 
   UFUNCTION()
   void HandleFailed(
-      UHoudiniPublicAPIAssetWrapper* AssetWrapper,
       bool bCookSuccess,
       bool bBakeSuccess);
 
-private:
-  UHoudiniPublicAPIProcessHDANode* HDANode;
 
 };

Util/BuildTools/BuildCarlaUE4.bat

@@ -129,18 +129,6 @@ if %REMOVE_INTERMEDIATE% == true (
     )
 )
 
-rem Download Houdini Plugin
-
-set HOUDINI_PLUGIN_REPO=https://github.com/sideeffects/HoudiniEngineForUnreal.git
-set HOUDINI_PLUGIN_PATH=Plugins/HoudiniEngine
-set HOUDINI_PLUGIN_COMMIT=55b6a16cdf274389687fce3019b33e3b6e92a914
-set HOUDINI_PATCH=${CARLA_UTIL_FOLDER}/Patches/houdini_patch.txt
-if not exist "%HOUDINI_PLUGIN_PATH%" (
-  call git clone %HOUDINI_PLUGIN_REPO% %HOUDINI_PLUGIN_PATH%
-  cd %HOUDINI_PLUGIN_PATH%
-  call git checkout %HOUDINI_PLUGIN_COMMIT%
-  cd ../..
-)
 
 rem Build Carla Editor
 rem

Util/BuildTools/BuildCarlaUE4.sh

@@ -19,7 +19,6 @@ USE_UNITY=true
 USE_ROS2=false
 
 EDITOR_FLAGS=""
-USE_HOUDINI=false
 
 GDB=
 RHI="-vulkan"
@@ -71,9 +70,6 @@ while [[ $# -gt 0 ]]; do
     --no-unity )
       USE_UNITY=false
       shift ;;
-    --with-houdini )
-      USE_HOUDINI=true;
-      shift ;;
     -h | --help )
       echo "$DOC_STRING"
       echo "$USAGE_STRING"
@@ -136,22 +132,6 @@ if ${REMOVE_INTERMEDIATE} ; then
 
 fi
 
-# ==============================================================================
-# -- Download Houdini Plugin for Unreal Engine ---------------------------------
-# ==============================================================================
-
-HOUDINI_PLUGIN_REPO=https://github.com/sideeffects/HoudiniEngineForUnreal.git
-HOUDINI_PLUGIN_PATH=Plugins/HoudiniEngine
-HOUDINI_PLUGIN_COMMIT=55b6a16cdf274389687fce3019b33e3b6e92a914
-HOUDINI_PATCH=${CARLA_UTIL_FOLDER}/Patches/houdini_patch.txt
-if [[ ! -d ${HOUDINI_PLUGIN_PATH} ]] ; then
-  git clone ${HOUDINI_PLUGIN_REPO} ${HOUDINI_PLUGIN_PATH}
-  pushd ${HOUDINI_PLUGIN_PATH} >/dev/null
-  git checkout ${HOUDINI_PLUGIN_COMMIT}
-  git apply ${HOUDINI_PATCH}
-  popd >/dev/null
-fi
-
 # ==============================================================================
 # -- Build CarlaUE4 ------------------------------------------------------------
 # ==============================================================================

Util/Patches/houdini_patch.txt

@@ -1,15 +0,0 @@
-diff --git a/Source/HoudiniEngineEditor/Private/HoudiniEngineDetails.cpp b/Source/HoudiniEngineEditor/Private/HoudiniEngineDetails.cpp
-index 36c9bf5cd..d9d6dbfdb 100755
---- a/Source/HoudiniEngineEditor/Private/HoudiniEngineDetails.cpp
-+++ b/Source/HoudiniEngineEditor/Private/HoudiniEngineDetails.cpp
-@@ -1131,8 +1131,8 @@ FHoudiniEngineDetails::CreateAssetOptionsWidgets(
- 
- 	auto IsCheckedParameterChangedLambda = [MainHAC]()
- 	{
--      	if (!IsValidWeakPointer(MainHAC))
--      		return ECheckBoxState::Unchecked;
-+    if (!IsValidWeakPointer(MainHAC))
-+      return ECheckBoxState::Unchecked;
- 
- 		return MainHAC->bCookOnParameterChange ? ECheckBoxState::Checked : ECheckBoxState::Unchecked;
- 	};