Fix build on Linux

Source/Engine/Animations/Graph/AnimGraph.Custom.cpp

@@ -12,6 +12,7 @@
 #include "Engine/Scripting/MException.h"
 #include "Engine/Content/Assets/SkinnedModel.h"
 
+#if !COMPILE_WITHOUT_CSHARP
 #if USE_MONO
 #include <ThirdParty/mono-2.0/mono/metadata/appdomain.h>
 #endif
@@ -86,6 +87,8 @@ namespace AnimGraphInternal
     }
 }
 
+#endif
+
 void AnimGraphExecutor::initRuntime()
 {
 #if USE_MONO

Source/Engine/Networking/NetworkReplicator.cpp

@@ -1387,7 +1387,7 @@ void NetworkInternal::OnNetworkMessageObjectSpawn(NetworkEvent& event, NetworkCl
             // Reuse parent object as prefab instance
             prefabInstance = parentActor;
         }
-        else if (parentActor = Scripting::TryFindObject<Actor>(rootItem.ParentId))
+        else if ((parentActor = Scripting::TryFindObject<Actor>(rootItem.ParentId)))
         {
             // Try to find that spawned prefab (eg. prefab with networked script was spawned before so now we need to link it)
             for (Actor* child : parentActor->Children)

Source/Engine/Scripting/DotNet/CoreCLR.cpp

@@ -1,6 +1,7 @@
 // Copyright (c) 2012-2022 Wojciech Figat. All rights reserved.
 
 #include "CoreCLR.h"
+#if USE_NETCORE
 #include "Engine/Core/Log.h"
 #include "Engine/Platform/Platform.h"
 #include "Engine/Platform/FileSystem.h"
@@ -130,3 +131,5 @@ void CoreCLR::Free(void* ptr)
 {
     Platform::Free(ptr);
 }
+
+#endif

Source/Engine/Scripting/DotNet/CoreCLR.h

@@ -6,6 +6,8 @@
 #include "Engine/Core/Collections/Array.h"
 #include "Engine/Scripting/Types.h"
 
+#if USE_NETCORE
+
 #if defined(_WIN32)
 #define CORECLR_DELEGATE_CALLTYPE __stdcall
 #define FLAX_CORECLR_STRING String
@@ -59,5 +61,7 @@ public:
     static bool HasCustomAttribute(void* klass, void* attribClass);
     static bool HasCustomAttribute(void* klass);
     static void* GetCustomAttribute(void* klass, void* attribClass);
-    static Array<void*> GetCustomAttributes(void* klass);
+    static Array<MObject*> GetCustomAttributes(void* klass);
 };
+
+#endif

Source/Engine/Scripting/DotNet/MonoApi.cpp

@@ -1,6 +1,7 @@
 // Copyright (c) 2012-2022 Wojciech Figat. All rights reserved.
 
 #include "CoreCLR.h"
+#if USE_NETCORE
 #include "Engine/Scripting/Types.h"
 #include "Engine/Core/Collections/Dictionary.h"
 #include "Engine/Graphics/RenderView.h"
@@ -614,24 +615,25 @@ bool CoreCLR::HasCustomAttribute(void* klass, void* attribClass)
 {
     return CoreCLR::GetCustomAttribute(klass, attribClass) != nullptr;
 }
+
 bool CoreCLR::HasCustomAttribute(void* klass)
 {
     return CoreCLR::GetCustomAttribute(klass, nullptr) != nullptr;
 }
+
 void* CoreCLR::GetCustomAttribute(void* klass, void* attribClass)
 {
     static void* GetCustomAttributePtr = CoreCLR::GetStaticMethodPointer(TEXT("GetCustomAttribute"));
     return CoreCLR::CallStaticMethod<void*, void*, void*>(GetCustomAttributePtr, ((CoreCLRClass*)klass)->GetTypeHandle(), ((CoreCLRClass*)attribClass)->GetTypeHandle());
 }
-Array<void*> CoreCLR::GetCustomAttributes(void* klass)
+
+Array<MObject*> CoreCLR::GetCustomAttributes(void* klass)
 {
-    Array<CoreCLRCustomAttribute*> attribs = ((CoreCLRClass*)klass)->GetCustomAttributes();
-
-    Array<void*> attributes;
+    const Array<CoreCLRCustomAttribute*>& attribs = ((CoreCLRClass*)klass)->GetCustomAttributes();
+    Array<MObject*> attributes;
     attributes.Resize(attribs.Count(), false);
-    for (int i = 0; i < attribs.Count(); i++)
-        attributes.Add(attribs[i]->GetHandle());
-
+    for (int32 i = 0; i < attribs.Count(); i++)
+        attributes.Add((MObject*)attribs[i]->GetHandle());
     return attributes;
 }
 
@@ -1616,3 +1618,5 @@ MONO_API void mono_gc_finalize_notify(void)
 }
 
 #pragma warning(default : 4297)
+
+#endif

Source/Engine/Scripting/InternalCalls/EngineInternalCalls.cpp

@@ -6,6 +6,8 @@
 #include "Engine/Scripting/MException.h"
 #include "Engine/Scripting/ManagedCLR/MUtils.h"
 
+#if !COMPILE_WITHOUT_CSHARP
+
 namespace UtilsInternal
 {
     MonoObject* ExtractArrayFromList(MonoObject* obj)
@@ -84,6 +86,8 @@ namespace FlaxLogWriterInternal
     }
 }
 
+#endif
+
 void registerFlaxEngineInternalCalls()
 {
     AnimGraphExecutor::initRuntime();

Source/Engine/Scripting/ManagedCLR/MClass.cpp

@@ -336,7 +336,6 @@ const Array<MProperty*>& MClass::GetProperties()
 {
     if (_hasCachedProperties)
         return _properties;
-
 #if USE_MONO
     void* iter = nullptr;
     MonoProperty* curClassProperty;
@@ -346,7 +345,6 @@ const Array<MProperty*>& MClass::GetProperties()
         GetProperty(propertyName);
     }
 #endif
-
     _hasCachedProperties = true;
     return _properties;
 }
@@ -416,10 +414,9 @@ const Array<MObject*>& MClass::GetAttributes()
 {
     if (_hasCachedAttributes)
         return _attributes;
-
     _hasCachedAttributes = true;
 #if USE_NETCORE
-    _attributes = *(Array<MObject*>*)(&CoreCLR::GetCustomAttributes(_monoClass));
+    _attributes = MoveTemp(CoreCLR::GetCustomAttributes(_monoClass));
 #elif USE_MONO
     MonoCustomAttrInfo* attrInfo = GET_CUSTOM_ATTR();
     if (attrInfo == nullptr)

Source/Engine/Scripting/ManagedCLR/MUtils.h

@@ -16,10 +16,11 @@
 
 #if USE_NETCORE
 #include "Engine/Scripting/DotNet/CoreCLR.h"
-#include "Engine/Core/Collections/BitArray.h"
 #endif
 
 struct Version;
+template<typename AllocationType>
+class BitArray;
 
 namespace MUtils
 {
@@ -612,13 +613,25 @@ namespace MUtils
     /// </summary>
     /// <param name="data">The input data.</param>
     /// <returns>The output array.</returns>
-    FORCE_INLINE bool* ToBoolArray(const BitArray<>& data)
+    template<typename AllocationType = HeapAllocation>
+    FORCE_INLINE bool* ToBoolArray(const BitArray<AllocationType>& data)
     {
         bool* arr = (bool*)CoreCLR::Allocate(data.Count() * sizeof(bool));
         for (int i = 0; i < data.Count(); i++)
             arr[i] = data[i];
         return arr;
     }
+#else
+    FORCE_INLINE bool* ToBoolArray(const Array<bool>& data)
+    {
+        return nullptr;
+    }
+
+    template<typename AllocationType = HeapAllocation>
+    FORCE_INLINE bool* ToBoolArray(const BitArray<AllocationType>& data)
+    {
+        return nullptr;
+    }
 #endif
 
     FORCE_INLINE MGCHandle NewGCHandle(MonoObject* obj, bool pinned)
@@ -635,7 +648,7 @@ namespace MUtils
 #if USE_NETCORE
         return CoreCLR::NewGCHandleWeakref(obj, track_resurrection);
 #else
-        return mono_gchandle_new_weak_ref(obj, track_resurrection);
+        return mono_gchandle_new_weakref(obj, track_resurrection);
 #endif
     }
 

Source/Engine/Scripting/Scripting.Build.cs

@@ -15,7 +15,7 @@ public class Scripting : EngineModule
 
         if (EngineConfiguration.WithCSharp(options))
         {
-            if (EngineConfiguration.UseDotNet)
+            if (EngineConfiguration.WithDotNet(options))
                 options.PublicDependencies.Add("nethost");
             else
                 options.PublicDependencies.Add("mono");

Source/Engine/Scripting/Types.h

@@ -27,11 +27,16 @@ class MType;
 #define USE_MONO 0
 #define USE_NETCORE 0
 typedef void MObject;
+typedef unsigned int MGCHandle;
 
 #else
 
 #define USE_MONO 1
+#if COMPILE_WITH_MONO
+#define USE_NETCORE 0
+#else
 #define USE_NETCORE 1
+#endif
 
 // Enables using single (root) app domain for the user scripts
 #define USE_SCRIPTING_SINGLE_DOMAIN 1
@@ -42,7 +47,7 @@ typedef void MObject;
 #define USE_MONO_PROFILER (COMPILE_WITH_PROFILER)
 
 // Enable/disable mono debugging
-#define MONO_DEBUG_ENABLE (!BUILD_RELEASE && !USE_MONO)
+#define MONO_DEBUG_ENABLE (!BUILD_RELEASE && !USE_NETCORE)
 
 #ifndef USE_MONO_AOT
 #define USE_MONO_AOT 0
@@ -57,7 +62,7 @@ struct _MonoThread {};
 #if USE_NETCORE
 typedef unsigned long long MGCHandle;
 #else
-typedef uint32 MGCHandle;
+typedef unsigned int MGCHandle;
 #endif
 
 // Mono types declarations

Source/ThirdParty/nethost/nethost.Build.cs

@@ -8,7 +8,7 @@ using Microsoft.Win32;
 using System.Linq;
 
 /// <summary>
-/// Module for nethost (.NET runtime host library)
+/// Module for nethost (.NET runtime host library).
 /// </summary>
 public class nethost : ThirdPartyModule
 {
@@ -24,19 +24,6 @@ public class nethost : ThirdPartyModule
         BinaryModuleName = "FlaxEngine";
     }
 
-    private static Version ParseVersion(string version)
-    {
-        // Give precedence to final releases over release candidate / beta releases
-        int rev = 9999;
-        if (version.Contains("-")) // e.g. 7.0.0-rc.2.22472.3
-        {
-            version = version.Substring(0, version.IndexOf("-"));
-            rev = 0;
-        }
-        Version ver = new Version(version);
-        return new Version(ver.Major, ver.Minor, ver.Build, rev);
-    }
-
     /// <inheritdoc />
     public override void Setup(BuildOptions options)
     {

Source/Tools/Flax.Build/Build/ProjectTarget.cs

@@ -71,6 +71,10 @@ namespace Flax.Build
             {
                 options.CompileEnv.PreprocessorDefinitions.Add("COMPILE_WITHOUT_CSHARP");
             }
+            else if (!EngineConfiguration.WithDotNet(options))
+            {
+                options.CompileEnv.PreprocessorDefinitions.Add("COMPILE_WITH_MONO");
+            }
             if (EngineConfiguration.WithLargeWorlds(options))
             {
                 options.CompileEnv.PreprocessorDefinitions.Add("USE_LARGE_WORLDS");

Source/Tools/Flax.Build/Platforms/Linux/LinuxToolchain.cs

@@ -95,6 +95,7 @@ namespace Flax.Build.Platforms
             args.Add("-pthread");
             args.Add("-ldl");
             args.Add("-lrt");
+            args.Add("-lz");
 
             // Link X11
             args.Add("-L/usr/X11R6/lib");