diff --git a/.gitignore b/.gitignore
index 0a42b42e5..eef95bde6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -423,4 +423,10 @@ Minecraft.World/x64_Debug/
 Minecraft.World/Release/
 Minecraft.World/x64_Release/
 
-build/*
\ No newline at end of file
+build/*
+
+# Existing build output files
+!x64/**/Effects.msscmp
+!x64/**/iggy_w64.dll
+!x64/**/mss64.dll
+!x64/**/redist64/
diff --git a/Minecraft.Client/Common/UI/UILayer.cpp b/Minecraft.Client/Common/UI/UILayer.cpp
index ceec33f12..13b26c845 100644
--- a/Minecraft.Client/Common/UI/UILayer.cpp
+++ b/Minecraft.Client/Common/UI/UILayer.cpp
@@ -328,6 +328,10 @@ bool UILayer::NavigateToScene(int iPad, EUIScene scene, void *initData)
 		newScene = new UIScene_InGameInfoMenu(iPad, initData, this);
 		break;
 	case eUIScene_InGameHostOptionsMenu:
+		if (IsSceneInStack(eUIScene_InGameHostOptionsMenu)) {
+			app.DebugPrintf("Skipped eUIScene_InGameHostOptionsMenu, we have already this tab!");
+			return false;
+		}
 		newScene = new UIScene_InGameHostOptionsMenu(iPad, initData, this);
 		break;
 	case eUIScene_InGamePlayerOptionsMenu:
diff --git a/Minecraft.Client/Minecraft.Client.vcxproj b/Minecraft.Client/Minecraft.Client.vcxproj
index 765fb49c2..c6e4964ba 100644
--- a/Minecraft.Client/Minecraft.Client.vcxproj
+++ b/Minecraft.Client/Minecraft.Client.vcxproj
@@ -1466,14 +1466,8 @@ if not exist "$(TargetDir)\savedata" mkdir "$(TargetDir)\savedata"</Command>
       <SuppressStartupBanner>false</SuppressStartupBanner>
     </Link>
     <PostBuildEvent>
-      <Message>Copying sound assets to output directory</Message>
-      <Command>xcopy /q /y /i /s /e "$(ProjectDir)Durango\Sound" "$(OutDir)Durango\Sound"
-xcopy /q /y /i /s /e "$(ProjectDir)music" "$(OutDir)music"
-xcopy /q /y /i /s /e "$(ProjectDir)Windows64\GameHDD" "$(OutDir)Windows64\GameHDD"
-xcopy /q /y /i /s /e "$(ProjectDir)Common\Media" "$(OutDir)Common\Media"
-xcopy /q /y /i /s /e "$(ProjectDir)Common\res" "$(OutDir)Common\res"
-xcopy /q /y /i /s /e "$(ProjectDir)Common\Trial" "$(OutDir)Common\Trial"
-xcopy /q /y /i /s /e "$(ProjectDir)Common\Tutorial" "$(OutDir)Common\Tutorial"</Command>
+      <Message>Run postbuild script</Message>
+      <Command>powershell -ExecutionPolicy Bypass -File "$(ProjectDir)postbuild.ps1" -OutDir "$(OutDir)/" -ProjectDir "$(ProjectDir)/"</Command>
     </PostBuildEvent>
     <ImageXex>
       <ConfigurationFile>$(ProjectDir)xbox\xex-dev.xml</ConfigurationFile>
@@ -1605,25 +1599,8 @@ xcopy /q /y /i /s /e $(ProjectDir)DurangoMedia\CU  $(LayoutDir)Image\Loose\CU</C
       <SuppressStartupBanner>false</SuppressStartupBanner>
     </Link>
     <PostBuildEvent>
-      <Message>Copying game assets to output directory</Message>
-      <Command>mkdir "$(OutDir)music" 2&gt;nul
-mkdir "$(OutDir)Windows64\GameHDD" 2&gt;nul
-mkdir "$(OutDir)Common\Media" 2&gt;nul
-mkdir "$(OutDir)Common\res" 2&gt;nul
-mkdir "$(OutDir)Common\Trial" 2&gt;nul
-mkdir "$(OutDir)Common\Tutorial" 2&gt;nul
-mkdir "$(OutDir)Windows64Media" 2&gt;nul
-
-xcopy /q /y /i /s /e "$(ProjectDir)music" "$(OutDir)music" || exit /b 0
-xcopy /q /y /i /s /e "$(ProjectDir)Windows64\GameHDD" "$(OutDir)Windows64\GameHDD" || exit /b 0
-xcopy /q /y /i /s /e "$(ProjectDir)Common\Media" "$(OutDir)Common\Media" || exit /b 0
-xcopy /q /y /i /s /e "$(ProjectDir)Common\res" "$(OutDir)Common\res" || exit /b 0
-xcopy /q /y /i /s /e "$(ProjectDir)Common\Trial" "$(OutDir)Common\Trial" || exit /b 0
-xcopy /q /y /i /s /e "$(ProjectDir)Common\Tutorial" "$(OutDir)Common\Tutorial" || exit /b 0
-xcopy /q /y /i /s /e "$(ProjectDir)DurangoMedia" "$(OutDir)Windows64Media" || exit /b 0
-xcopy /q /y /i /s /e "$(ProjectDir)Windows64Media" "$(OutDir)Windows64Media" || exit /b 0
-
-exit /b 0</Command>
+      <Message>Run postbuild script</Message>
+      <Command>powershell -ExecutionPolicy Bypass -File "$(ProjectDir)postbuild.ps1" -OutDir "$(OutDir)/" -ProjectDir "$(ProjectDir)/"</Command>
     </PostBuildEvent>
     <ImageXex>
       <ConfigurationFile>$(ProjectDir)xbox\xex-dev.xml</ConfigurationFile>
diff --git a/Minecraft.Client/Minecraft.Client.vcxproj.user b/Minecraft.Client/Minecraft.Client.vcxproj.user
index ace9a86ac..10dbfa336 100644
--- a/Minecraft.Client/Minecraft.Client.vcxproj.user
+++ b/Minecraft.Client/Minecraft.Client.vcxproj.user
@@ -1,3 +1,14 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <LastConfigDeployed>Debug</LastConfigDeployed>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <LocalDebuggerWorkingDirectory>$(SolutionDir)$(Platform)\$(Configuration)\</LocalDebuggerWorkingDirectory>
+    <DebuggerFlavor>WindowsLocalDebugger</DebuggerFlavor>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <LocalDebuggerWorkingDirectory>$(SolutionDir)$(Platform)\$(Configuration)\</LocalDebuggerWorkingDirectory>
+    <DebuggerFlavor>WindowsLocalDebugger</DebuggerFlavor>
+  </PropertyGroup>
 </Project>
\ No newline at end of file
diff --git a/Minecraft.Client/TextureHolder.h b/Minecraft.Client/TextureHolder.h
index 304d03e75..6c600d637 100644
--- a/Minecraft.Client/TextureHolder.h
+++ b/Minecraft.Client/TextureHolder.h
@@ -30,7 +30,8 @@ public:
 	int compareTo(const TextureHolder *other) const;
 };
 
-typedef struct
+struct TextureHolderLessThan
 {
-	bool operator() (const TextureHolder *first, const TextureHolder *second) const { return first->compareTo(second) >= 0; }
-} TextureHolderLessThan;
\ No newline at end of file
+	inline bool operator()(const TextureHolder *first, const TextureHolder *second) const 
+	{ return first->compareTo(second) >= 0; }
+};
\ No newline at end of file
diff --git a/Minecraft.Client/postbuild.ps1 b/Minecraft.Client/postbuild.ps1
new file mode 100644
index 000000000..1c965758a
--- /dev/null
+++ b/Minecraft.Client/postbuild.ps1
@@ -0,0 +1,42 @@
+param(
+    [string]$OutDir,
+    [string]$ProjectDir
+)
+
+Write-Host "Post-build script started. Output Directory: $OutDir, Project Directory: $ProjectDir"
+
+$directories = @(
+    "music",
+    "Windows64\GameHDD",
+    "Common\Media",
+    "Common\res",
+    "Common\Trial",
+    "Common\Tutorial",
+    "Windows64Media"
+)
+
+foreach ($dir in $directories) {
+    New-Item -ItemType Directory -Path (Join-Path $OutDir $dir) -Force | Out-Null
+}
+
+$copies = @(
+    @{ Source = "music";           Dest = "music" },
+    @{ Source = "Common\Media";    Dest = "Common\Media" },
+    @{ Source = "Common\res";      Dest = "Common\res" },
+    @{ Source = "Common\Trial";    Dest = "Common\Trial" },
+    @{ Source = "Common\Tutorial"; Dest = "Common\Tutorial" },
+    @{ Source = "Windows64\GameHDD"; Dest = "Windows64\GameHDD" },
+    @{ Source = "Windows64\Sound";  Dest = "Windows64\Sound" },
+    @{ Source = "DurangoMedia";    Dest = "Windows64Media" },
+    @{ Source = "Windows64Media";  Dest = "Windows64Media" }
+)
+
+foreach ($copy in $copies) {
+    $src = Join-Path $ProjectDir $copy.Source
+    $dst = Join-Path $OutDir $copy.Dest
+
+    if (Test-Path $src) {
+        # Copy the files using xcopy, forcing overwrite and suppressing errors, and only copying if the source is newer than the destination
+		xcopy /q /y /i /s /e /d "$src" "$dst" 2>$null
+    }
+}
diff --git a/Minecraft.World/ChunkPos.h b/Minecraft.World/ChunkPos.h
index f1d483c7e..2a3fda02b 100644
--- a/Minecraft.World/ChunkPos.h
+++ b/Minecraft.World/ChunkPos.h
@@ -28,13 +28,14 @@ public:
 	ChunkPos & operator= (const ChunkPos & other) { x = other.x; z = other.z; return *this; }
 };
 
-typedef struct
+struct ChunkPosKeyHash
 {
-	__int64 operator() (const ChunkPos &k) const { return ChunkPos::hash_fnct(k); }
+	inline __int64 operator()(const ChunkPos &k) const 
+	{ return ChunkPos::hash_fnct(k); }
+};
 
-} ChunkPosKeyHash;
-
-typedef struct
+struct ChunkPosKeyEq
 {
-	bool operator() (const ChunkPos &x, const ChunkPos &y) const { return ChunkPos::eq_test(x, y); }
-} ChunkPosKeyEq;
\ No newline at end of file
+	inline bool operator()(const ChunkPos &x, const ChunkPos &y) const 
+	{ return ChunkPos::eq_test(x, y); }
+};
\ No newline at end of file
diff --git a/Minecraft.World/TilePos.h b/Minecraft.World/TilePos.h
index d4a3e84eb..04804066a 100644
--- a/Minecraft.World/TilePos.h
+++ b/Minecraft.World/TilePos.h
@@ -14,14 +14,15 @@ public:
 	static bool eq_test(const TilePos &x, const TilePos &y);
 };
 
-typedef struct
+struct TilePosKeyHash
 {
-	int operator() (const TilePos &k) const { return TilePos::hash_fnct (k); }
+	inline int operator()(const TilePos &k) const 
+	{ return TilePos::hash_fnct (k); }
+};
 
-} TilePosKeyHash;
-
-typedef struct
+struct TilePosKeyEq
 {
-	bool operator() (const TilePos &x, const TilePos &y) const { return TilePos::eq_test (x, y); }
-} TilePosKeyEq;
+	inline bool operator()(const TilePos &x, const TilePos &y) const 
+	{ return TilePos::eq_test (x, y); }
+};