Feature: Add XAudio2 driver

11 files changed, 64 insertions, 24 deletions

diff --git a/projects/openttd_vs100.vcxproj b/projects/openttd_vs100.vcxproj
index f83ea167a..f8daad6c9 100644
--- a/projects/openttd_vs100.vcxproj
+++ b/projects/openttd_vs100.vcxproj
@@ -102,7 +102,7 @@
       <FavorSizeOrSpeed>Size</FavorSizeOrSpeed>
       <OmitFramePointers>true</OmitFramePointers>
       <AdditionalIncludeDirectories>..\objs\langs;..\objs\settings;..\src\3rdparty\squirrel\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;WIN32_ENABLE_DIRECTMUSIC_SUPPORT;WITH_SSE;WITH_ZLIB;WITH_LZO;WITH_LZMA;LZMA_API_STATIC;WITH_PNG;WITH_FREETYPE;WITH_ICU_SORT;WITH_ICU_LAYOUT;U_STATIC_IMPLEMENTATION;ENABLE_NETWORK;WITH_PERSONAL_DIR;PERSONAL_DIR="OpenTTD";WITH_ASSERT;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;WIN32_ENABLE_DIRECTMUSIC_SUPPORT;WITH_XAUDIO2;WITH_SSE;WITH_ZLIB;WITH_LZO;WITH_LZMA;LZMA_API_STATIC;WITH_PNG;WITH_FREETYPE;WITH_ICU_SORT;WITH_ICU_LAYOUT;U_STATIC_IMPLEMENTATION;ENABLE_NETWORK;WITH_PERSONAL_DIR;PERSONAL_DIR="OpenTTD";WITH_ASSERT;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <StringPooling>true</StringPooling>
       <ExceptionHandling>Sync</ExceptionHandling>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
@@ -162,7 +162,7 @@
       <AdditionalOptions>/MP %(AdditionalOptions)</AdditionalOptions>
       <Optimization>Disabled</Optimization>
       <AdditionalIncludeDirectories>..\objs\langs;..\objs\settings;..\src\3rdparty\squirrel\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;WIN32_ENABLE_DIRECTMUSIC_SUPPORT;WITH_SSE;WITH_ZLIB;WITH_LZO;WITH_LZMA;LZMA_API_STATIC;WITH_PNG;WITH_FREETYPE;WITH_ICU_SORT;WITH_ICU_LAYOUT;U_STATIC_IMPLEMENTATION;ENABLE_NETWORK;WITH_PERSONAL_DIR;PERSONAL_DIR="OpenTTD";%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;WIN32_ENABLE_DIRECTMUSIC_SUPPORT;WITH_XAUDIO2;WITH_SSE;WITH_ZLIB;WITH_LZO;WITH_LZMA;LZMA_API_STATIC;WITH_PNG;WITH_FREETYPE;WITH_ICU_SORT;WITH_ICU_LAYOUT;U_STATIC_IMPLEMENTATION;ENABLE_NETWORK;WITH_PERSONAL_DIR;PERSONAL_DIR="OpenTTD";%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
       <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
       <PrecompiledHeader>
@@ -216,7 +216,7 @@
       <FavorSizeOrSpeed>Size</FavorSizeOrSpeed>
       <OmitFramePointers>true</OmitFramePointers>
       <AdditionalIncludeDirectories>..\objs\langs;..\objs\settings;..\src\3rdparty\squirrel\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;WITH_SSE;WITH_ZLIB;WITH_LZO;WITH_LZMA;LZMA_API_STATIC;WITH_PNG;WITH_FREETYPE;WITH_ICU_SORT;WITH_ICU_LAYOUT;U_STATIC_IMPLEMENTATION;ENABLE_NETWORK;WITH_PERSONAL_DIR;PERSONAL_DIR="OpenTTD";_SQ64;WITH_ASSERT;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;WITH_XAUDIO2;WITH_SSE;WITH_ZLIB;WITH_LZO;WITH_LZMA;LZMA_API_STATIC;WITH_PNG;WITH_FREETYPE;WITH_ICU_SORT;WITH_ICU_LAYOUT;U_STATIC_IMPLEMENTATION;ENABLE_NETWORK;WITH_PERSONAL_DIR;PERSONAL_DIR="OpenTTD";_SQ64;WITH_ASSERT;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <StringPooling>true</StringPooling>
       <ExceptionHandling>Sync</ExceptionHandling>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
@@ -274,7 +274,7 @@
       <AdditionalOptions>/MP %(AdditionalOptions)</AdditionalOptions>
       <Optimization>Disabled</Optimization>
       <AdditionalIncludeDirectories>..\objs\langs;..\objs\settings;..\src\3rdparty\squirrel\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;WITH_SSE;WITH_ZLIB;WITH_LZO;WITH_LZMA;LZMA_API_STATIC;WITH_PNG;WITH_FREETYPE;WITH_ICU_SORT;WITH_ICU_LAYOUT;U_STATIC_IMPLEMENTATION;ENABLE_NETWORK;WITH_PERSONAL_DIR;PERSONAL_DIR="OpenTTD";_SQ64;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;WITH_XAUDIO2;WITH_SSE;WITH_ZLIB;WITH_LZO;WITH_LZMA;LZMA_API_STATIC;WITH_PNG;WITH_FREETYPE;WITH_ICU_SORT;WITH_ICU_LAYOUT;U_STATIC_IMPLEMENTATION;ENABLE_NETWORK;WITH_PERSONAL_DIR;PERSONAL_DIR="OpenTTD";_SQ64;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
       <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
       <PrecompiledHeader>
@@ -684,6 +684,7 @@
     <ClInclude Include="..\src\window_func.h" />
     <ClInclude Include="..\src\window_gui.h" />
     <ClInclude Include="..\src\window_type.h" />
+    <ClInclude Include="..\src\sound\xaudio2_s.h" />
     <ClInclude Include="..\src\zoom_func.h" />
     <ClInclude Include="..\src\zoom_type.h" />
     <ClCompile Include="..\src\core\alloc_func.cpp" />
@@ -1297,6 +1298,7 @@
     <ClCompile Include="..\src\sound\null_s.cpp" />
     <ClCompile Include="..\src\sound\sdl_s.cpp" />
     <ClCompile Include="..\src\sound\win32_s.cpp" />
+    <ClCompile Include="..\src\sound\xaudio2_s.cpp" />
     <ClCompile Include="..\src\os\windows\crashlog_win.cpp" />
     <ResourceCompile Include="..\src\os\windows\ottdres.rc" />
     <ClCompile Include="..\src\os\windows\win32.cpp" />
diff --git a/projects/openttd_vs100.vcxproj.filters b/projects/openttd_vs100.vcxproj.filters
index a7508493c..c5dfab137 100644
--- a/projects/openttd_vs100.vcxproj.filters
+++ b/projects/openttd_vs100.vcxproj.filters
@@ -1209,6 +1209,9 @@
     <ClInclude Include="..\src\window_type.h">
       <Filter>Header Files</Filter>
     </ClInclude>
+    <ClInclude Include="..\src\sound\xaudio2_s.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
     <ClInclude Include="..\src\zoom_func.h">
       <Filter>Header Files</Filter>
     </ClInclude>
@@ -3048,6 +3051,9 @@
     <ClCompile Include="..\src\sound\win32_s.cpp">
       <Filter>Sound</Filter>
     </ClCompile>
+    <ClCompile Include="..\src\sound\xaudio2_s.cpp">
+      <Filter>Sound</Filter>
+    </ClCompile>
     <ClCompile Include="..\src\os\windows\crashlog_win.cpp">
       <Filter>Windows files</Filter>
     </ClCompile>
diff --git a/projects/openttd_vs100.vcxproj.in b/projects/openttd_vs100.vcxproj.in
index ab2ae133a..76db41667 100644
--- a/projects/openttd_vs100.vcxproj.in
+++ b/projects/openttd_vs100.vcxproj.in
@@ -102,7 +102,7 @@
       <FavorSizeOrSpeed>Size</FavorSizeOrSpeed>
       <OmitFramePointers>true</OmitFramePointers>
       <AdditionalIncludeDirectories>..\objs\langs;..\objs\settings;..\src\3rdparty\squirrel\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;WIN32_ENABLE_DIRECTMUSIC_SUPPORT;WITH_SSE;WITH_ZLIB;WITH_LZO;WITH_LZMA;LZMA_API_STATIC;WITH_PNG;WITH_FREETYPE;WITH_ICU_SORT;WITH_ICU_LAYOUT;U_STATIC_IMPLEMENTATION;ENABLE_NETWORK;WITH_PERSONAL_DIR;PERSONAL_DIR="OpenTTD";WITH_ASSERT;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;WIN32_ENABLE_DIRECTMUSIC_SUPPORT;WITH_XAUDIO2;WITH_SSE;WITH_ZLIB;WITH_LZO;WITH_LZMA;LZMA_API_STATIC;WITH_PNG;WITH_FREETYPE;WITH_ICU_SORT;WITH_ICU_LAYOUT;U_STATIC_IMPLEMENTATION;ENABLE_NETWORK;WITH_PERSONAL_DIR;PERSONAL_DIR="OpenTTD";WITH_ASSERT;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <StringPooling>true</StringPooling>
       <ExceptionHandling>Sync</ExceptionHandling>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
@@ -162,7 +162,7 @@
       <AdditionalOptions>/MP %(AdditionalOptions)</AdditionalOptions>
       <Optimization>Disabled</Optimization>
       <AdditionalIncludeDirectories>..\objs\langs;..\objs\settings;..\src\3rdparty\squirrel\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;WIN32_ENABLE_DIRECTMUSIC_SUPPORT;WITH_SSE;WITH_ZLIB;WITH_LZO;WITH_LZMA;LZMA_API_STATIC;WITH_PNG;WITH_FREETYPE;WITH_ICU_SORT;WITH_ICU_LAYOUT;U_STATIC_IMPLEMENTATION;ENABLE_NETWORK;WITH_PERSONAL_DIR;PERSONAL_DIR="OpenTTD";%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;WIN32_ENABLE_DIRECTMUSIC_SUPPORT;WITH_XAUDIO2;WITH_SSE;WITH_ZLIB;WITH_LZO;WITH_LZMA;LZMA_API_STATIC;WITH_PNG;WITH_FREETYPE;WITH_ICU_SORT;WITH_ICU_LAYOUT;U_STATIC_IMPLEMENTATION;ENABLE_NETWORK;WITH_PERSONAL_DIR;PERSONAL_DIR="OpenTTD";%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
       <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
       <PrecompiledHeader>
@@ -216,7 +216,7 @@
       <FavorSizeOrSpeed>Size</FavorSizeOrSpeed>
       <OmitFramePointers>true</OmitFramePointers>
       <AdditionalIncludeDirectories>..\objs\langs;..\objs\settings;..\src\3rdparty\squirrel\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;WITH_SSE;WITH_ZLIB;WITH_LZO;WITH_LZMA;LZMA_API_STATIC;WITH_PNG;WITH_FREETYPE;WITH_ICU_SORT;WITH_ICU_LAYOUT;U_STATIC_IMPLEMENTATION;ENABLE_NETWORK;WITH_PERSONAL_DIR;PERSONAL_DIR="OpenTTD";_SQ64;WITH_ASSERT;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;WITH_XAUDIO2;WITH_SSE;WITH_ZLIB;WITH_LZO;WITH_LZMA;LZMA_API_STATIC;WITH_PNG;WITH_FREETYPE;WITH_ICU_SORT;WITH_ICU_LAYOUT;U_STATIC_IMPLEMENTATION;ENABLE_NETWORK;WITH_PERSONAL_DIR;PERSONAL_DIR="OpenTTD";_SQ64;WITH_ASSERT;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <StringPooling>true</StringPooling>
       <ExceptionHandling>Sync</ExceptionHandling>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
@@ -274,7 +274,7 @@
       <AdditionalOptions>/MP %(AdditionalOptions)</AdditionalOptions>
       <Optimization>Disabled</Optimization>
       <AdditionalIncludeDirectories>..\objs\langs;..\objs\settings;..\src\3rdparty\squirrel\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;WITH_SSE;WITH_ZLIB;WITH_LZO;WITH_LZMA;LZMA_API_STATIC;WITH_PNG;WITH_FREETYPE;WITH_ICU_SORT;WITH_ICU_LAYOUT;U_STATIC_IMPLEMENTATION;ENABLE_NETWORK;WITH_PERSONAL_DIR;PERSONAL_DIR="OpenTTD";_SQ64;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;WITH_XAUDIO2;WITH_SSE;WITH_ZLIB;WITH_LZO;WITH_LZMA;LZMA_API_STATIC;WITH_PNG;WITH_FREETYPE;WITH_ICU_SORT;WITH_ICU_LAYOUT;U_STATIC_IMPLEMENTATION;ENABLE_NETWORK;WITH_PERSONAL_DIR;PERSONAL_DIR="OpenTTD";_SQ64;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
       <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
       <PrecompiledHeader>
diff --git a/projects/openttd_vs140.vcxproj b/projects/openttd_vs140.vcxproj
index 4adaaaec9..e07d8ce86 100644
--- a/projects/openttd_vs140.vcxproj
+++ b/projects/openttd_vs140.vcxproj
@@ -105,7 +105,7 @@
       <FavorSizeOrSpeed>Size</FavorSizeOrSpeed>
       <OmitFramePointers>true</OmitFramePointers>
       <AdditionalIncludeDirectories>..\objs\langs;..\objs\settings;..\src\3rdparty\squirrel\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;WIN32_ENABLE_DIRECTMUSIC_SUPPORT;WITH_SSE;WITH_ZLIB;WITH_LZO;WITH_LZMA;LZMA_API_STATIC;WITH_PNG;WITH_FREETYPE;WITH_ICU_SORT;WITH_ICU_LAYOUT;U_STATIC_IMPLEMENTATION;ENABLE_NETWORK;WITH_PERSONAL_DIR;PERSONAL_DIR="OpenTTD";WITH_ASSERT;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;WIN32_ENABLE_DIRECTMUSIC_SUPPORT;WITH_XAUDIO2;WITH_SSE;WITH_ZLIB;WITH_LZO;WITH_LZMA;LZMA_API_STATIC;WITH_PNG;WITH_FREETYPE;WITH_ICU_SORT;WITH_ICU_LAYOUT;U_STATIC_IMPLEMENTATION;ENABLE_NETWORK;WITH_PERSONAL_DIR;PERSONAL_DIR="OpenTTD";WITH_ASSERT;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <StringPooling>true</StringPooling>
       <ExceptionHandling>Sync</ExceptionHandling>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
@@ -170,7 +170,7 @@
       <Optimization>Disabled</Optimization>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <AdditionalIncludeDirectories>..\objs\langs;..\objs\settings;..\src\3rdparty\squirrel\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;WIN32_ENABLE_DIRECTMUSIC_SUPPORT;WITH_SSE;WITH_ZLIB;WITH_LZO;WITH_LZMA;LZMA_API_STATIC;WITH_PNG;WITH_FREETYPE;WITH_ICU_SORT;WITH_ICU_LAYOUT;U_STATIC_IMPLEMENTATION;ENABLE_NETWORK;WITH_PERSONAL_DIR;PERSONAL_DIR="OpenTTD";%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;WIN32_ENABLE_DIRECTMUSIC_SUPPORT;WITH_XAUDIO2;WITH_SSE;WITH_ZLIB;WITH_LZO;WITH_LZMA;LZMA_API_STATIC;WITH_PNG;WITH_FREETYPE;WITH_ICU_SORT;WITH_ICU_LAYOUT;U_STATIC_IMPLEMENTATION;ENABLE_NETWORK;WITH_PERSONAL_DIR;PERSONAL_DIR="OpenTTD";%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
       <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
       <PrecompiledHeader>
@@ -228,7 +228,7 @@
       <FavorSizeOrSpeed>Size</FavorSizeOrSpeed>
       <OmitFramePointers>true</OmitFramePointers>
       <AdditionalIncludeDirectories>..\objs\langs;..\objs\settings;..\src\3rdparty\squirrel\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;WITH_SSE;WITH_ZLIB;WITH_LZO;WITH_LZMA;LZMA_API_STATIC;WITH_PNG;WITH_FREETYPE;WITH_ICU_SORT;WITH_ICU_LAYOUT;U_STATIC_IMPLEMENTATION;ENABLE_NETWORK;WITH_PERSONAL_DIR;PERSONAL_DIR="OpenTTD";_SQ64;WITH_ASSERT;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;WITH_XAUDIO2;WITH_SSE;WITH_ZLIB;WITH_LZO;WITH_LZMA;LZMA_API_STATIC;WITH_PNG;WITH_FREETYPE;WITH_ICU_SORT;WITH_ICU_LAYOUT;U_STATIC_IMPLEMENTATION;ENABLE_NETWORK;WITH_PERSONAL_DIR;PERSONAL_DIR="OpenTTD";_SQ64;WITH_ASSERT;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <StringPooling>true</StringPooling>
       <ExceptionHandling>Sync</ExceptionHandling>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
@@ -291,7 +291,7 @@
       <Optimization>Disabled</Optimization>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <AdditionalIncludeDirectories>..\objs\langs;..\objs\settings;..\src\3rdparty\squirrel\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;WITH_SSE;WITH_ZLIB;WITH_LZO;WITH_LZMA;LZMA_API_STATIC;WITH_PNG;WITH_FREETYPE;WITH_ICU_SORT;WITH_ICU_LAYOUT;U_STATIC_IMPLEMENTATION;ENABLE_NETWORK;WITH_PERSONAL_DIR;PERSONAL_DIR="OpenTTD";_SQ64;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;WITH_XAUDIO2;WITH_SSE;WITH_ZLIB;WITH_LZO;WITH_LZMA;LZMA_API_STATIC;WITH_PNG;WITH_FREETYPE;WITH_ICU_SORT;WITH_ICU_LAYOUT;U_STATIC_IMPLEMENTATION;ENABLE_NETWORK;WITH_PERSONAL_DIR;PERSONAL_DIR="OpenTTD";_SQ64;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
       <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
       <PrecompiledHeader>
@@ -705,6 +705,7 @@
     <ClInclude Include="..\src\window_func.h" />
     <ClInclude Include="..\src\window_gui.h" />
     <ClInclude Include="..\src\window_type.h" />
+    <ClInclude Include="..\src\sound\xaudio2_s.h" />
     <ClInclude Include="..\src\zoom_func.h" />
     <ClInclude Include="..\src\zoom_type.h" />
     <ClCompile Include="..\src\core\alloc_func.cpp" />
@@ -1318,6 +1319,7 @@
     <ClCompile Include="..\src\sound\null_s.cpp" />
     <ClCompile Include="..\src\sound\sdl_s.cpp" />
     <ClCompile Include="..\src\sound\win32_s.cpp" />
+    <ClCompile Include="..\src\sound\xaudio2_s.cpp" />
     <ClCompile Include="..\src\os\windows\crashlog_win.cpp" />
     <ResourceCompile Include="..\src\os\windows\ottdres.rc" />
     <ClCompile Include="..\src\os\windows\win32.cpp" />
diff --git a/projects/openttd_vs140.vcxproj.filters b/projects/openttd_vs140.vcxproj.filters
index a7508493c..c5dfab137 100644
--- a/projects/openttd_vs140.vcxproj.filters
+++ b/projects/openttd_vs140.vcxproj.filters
@@ -1209,6 +1209,9 @@
     <ClInclude Include="..\src\window_type.h">
       <Filter>Header Files</Filter>
     </ClInclude>
+    <ClInclude Include="..\src\sound\xaudio2_s.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
     <ClInclude Include="..\src\zoom_func.h">
       <Filter>Header Files</Filter>
     </ClInclude>
@@ -3048,6 +3051,9 @@
     <ClCompile Include="..\src\sound\win32_s.cpp">
       <Filter>Sound</Filter>
     </ClCompile>
+    <ClCompile Include="..\src\sound\xaudio2_s.cpp">
+      <Filter>Sound</Filter>
+    </ClCompile>
     <ClCompile Include="..\src\os\windows\crashlog_win.cpp">
       <Filter>Windows files</Filter>
     </ClCompile>
diff --git a/projects/openttd_vs140.vcxproj.in b/projects/openttd_vs140.vcxproj.in
index 1e490d29e..93debc867 100644
--- a/projects/openttd_vs140.vcxproj.in
+++ b/projects/openttd_vs140.vcxproj.in
@@ -105,7 +105,7 @@
       <FavorSizeOrSpeed>Size</FavorSizeOrSpeed>
       <OmitFramePointers>true</OmitFramePointers>
       <AdditionalIncludeDirectories>..\objs\langs;..\objs\settings;..\src\3rdparty\squirrel\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;WIN32_ENABLE_DIRECTMUSIC_SUPPORT;WITH_SSE;WITH_ZLIB;WITH_LZO;WITH_LZMA;LZMA_API_STATIC;WITH_PNG;WITH_FREETYPE;WITH_ICU_SORT;WITH_ICU_LAYOUT;U_STATIC_IMPLEMENTATION;ENABLE_NETWORK;WITH_PERSONAL_DIR;PERSONAL_DIR="OpenTTD";WITH_ASSERT;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;WIN32_ENABLE_DIRECTMUSIC_SUPPORT;WITH_XAUDIO2;WITH_SSE;WITH_ZLIB;WITH_LZO;WITH_LZMA;LZMA_API_STATIC;WITH_PNG;WITH_FREETYPE;WITH_ICU_SORT;WITH_ICU_LAYOUT;U_STATIC_IMPLEMENTATION;ENABLE_NETWORK;WITH_PERSONAL_DIR;PERSONAL_DIR="OpenTTD";WITH_ASSERT;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <StringPooling>true</StringPooling>
       <ExceptionHandling>Sync</ExceptionHandling>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
@@ -170,7 +170,7 @@
       <Optimization>Disabled</Optimization>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <AdditionalIncludeDirectories>..\objs\langs;..\objs\settings;..\src\3rdparty\squirrel\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;WIN32_ENABLE_DIRECTMUSIC_SUPPORT;WITH_SSE;WITH_ZLIB;WITH_LZO;WITH_LZMA;LZMA_API_STATIC;WITH_PNG;WITH_FREETYPE;WITH_ICU_SORT;WITH_ICU_LAYOUT;U_STATIC_IMPLEMENTATION;ENABLE_NETWORK;WITH_PERSONAL_DIR;PERSONAL_DIR="OpenTTD";%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;WIN32_ENABLE_DIRECTMUSIC_SUPPORT;WITH_XAUDIO2;WITH_SSE;WITH_ZLIB;WITH_LZO;WITH_LZMA;LZMA_API_STATIC;WITH_PNG;WITH_FREETYPE;WITH_ICU_SORT;WITH_ICU_LAYOUT;U_STATIC_IMPLEMENTATION;ENABLE_NETWORK;WITH_PERSONAL_DIR;PERSONAL_DIR="OpenTTD";%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
       <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
       <PrecompiledHeader>
@@ -228,7 +228,7 @@
       <FavorSizeOrSpeed>Size</FavorSizeOrSpeed>
       <OmitFramePointers>true</OmitFramePointers>
       <AdditionalIncludeDirectories>..\objs\langs;..\objs\settings;..\src\3rdparty\squirrel\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;WITH_SSE;WITH_ZLIB;WITH_LZO;WITH_LZMA;LZMA_API_STATIC;WITH_PNG;WITH_FREETYPE;WITH_ICU_SORT;WITH_ICU_LAYOUT;U_STATIC_IMPLEMENTATION;ENABLE_NETWORK;WITH_PERSONAL_DIR;PERSONAL_DIR="OpenTTD";_SQ64;WITH_ASSERT;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;WITH_XAUDIO2;WITH_SSE;WITH_ZLIB;WITH_LZO;WITH_LZMA;LZMA_API_STATIC;WITH_PNG;WITH_FREETYPE;WITH_ICU_SORT;WITH_ICU_LAYOUT;U_STATIC_IMPLEMENTATION;ENABLE_NETWORK;WITH_PERSONAL_DIR;PERSONAL_DIR="OpenTTD";_SQ64;WITH_ASSERT;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <StringPooling>true</StringPooling>
       <ExceptionHandling>Sync</ExceptionHandling>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
@@ -291,7 +291,7 @@
       <Optimization>Disabled</Optimization>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <AdditionalIncludeDirectories>..\objs\langs;..\objs\settings;..\src\3rdparty\squirrel\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;WITH_SSE;WITH_ZLIB;WITH_LZO;WITH_LZMA;LZMA_API_STATIC;WITH_PNG;WITH_FREETYPE;WITH_ICU_SORT;WITH_ICU_LAYOUT;U_STATIC_IMPLEMENTATION;ENABLE_NETWORK;WITH_PERSONAL_DIR;PERSONAL_DIR="OpenTTD";_SQ64;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;WITH_XAUDIO2;WITH_SSE;WITH_ZLIB;WITH_LZO;WITH_LZMA;LZMA_API_STATIC;WITH_PNG;WITH_FREETYPE;WITH_ICU_SORT;WITH_ICU_LAYOUT;U_STATIC_IMPLEMENTATION;ENABLE_NETWORK;WITH_PERSONAL_DIR;PERSONAL_DIR="OpenTTD";_SQ64;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
       <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
       <PrecompiledHeader>
diff --git a/projects/openttd_vs141.vcxproj b/projects/openttd_vs141.vcxproj
index 60f0aea88..411ea573d 100644
--- a/projects/openttd_vs141.vcxproj
+++ b/projects/openttd_vs141.vcxproj
@@ -105,7 +105,7 @@
       <FavorSizeOrSpeed>Size</FavorSizeOrSpeed>
       <OmitFramePointers>true</OmitFramePointers>
       <AdditionalIncludeDirectories>..\objs\langs;..\objs\settings;..\src\3rdparty\squirrel\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;WIN32_ENABLE_DIRECTMUSIC_SUPPORT;WITH_SSE;WITH_ZLIB;WITH_LZO;WITH_LZMA;LZMA_API_STATIC;WITH_PNG;WITH_FREETYPE;WITH_ICU_SORT;WITH_ICU_LAYOUT;U_STATIC_IMPLEMENTATION;ENABLE_NETWORK;WITH_PERSONAL_DIR;PERSONAL_DIR="OpenTTD";WITH_ASSERT;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;WIN32_ENABLE_DIRECTMUSIC_SUPPORT;WITH_XAUDIO2;WITH_SSE;WITH_ZLIB;WITH_LZO;WITH_LZMA;LZMA_API_STATIC;WITH_PNG;WITH_FREETYPE;WITH_ICU_SORT;WITH_ICU_LAYOUT;U_STATIC_IMPLEMENTATION;ENABLE_NETWORK;WITH_PERSONAL_DIR;PERSONAL_DIR="OpenTTD";WITH_ASSERT;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <StringPooling>true</StringPooling>
       <ExceptionHandling>Sync</ExceptionHandling>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
@@ -170,7 +170,7 @@
       <Optimization>Disabled</Optimization>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <AdditionalIncludeDirectories>..\objs\langs;..\objs\settings;..\src\3rdparty\squirrel\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;WIN32_ENABLE_DIRECTMUSIC_SUPPORT;WITH_SSE;WITH_ZLIB;WITH_LZO;WITH_LZMA;LZMA_API_STATIC;WITH_PNG;WITH_FREETYPE;WITH_ICU_SORT;WITH_ICU_LAYOUT;U_STATIC_IMPLEMENTATION;ENABLE_NETWORK;WITH_PERSONAL_DIR;PERSONAL_DIR="OpenTTD";%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;WIN32_ENABLE_DIRECTMUSIC_SUPPORT;WITH_XAUDIO2;WITH_SSE;WITH_ZLIB;WITH_LZO;WITH_LZMA;LZMA_API_STATIC;WITH_PNG;WITH_FREETYPE;WITH_ICU_SORT;WITH_ICU_LAYOUT;U_STATIC_IMPLEMENTATION;ENABLE_NETWORK;WITH_PERSONAL_DIR;PERSONAL_DIR="OpenTTD";%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
       <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
       <PrecompiledHeader>
@@ -228,7 +228,7 @@
       <FavorSizeOrSpeed>Size</FavorSizeOrSpeed>
       <OmitFramePointers>true</OmitFramePointers>
       <AdditionalIncludeDirectories>..\objs\langs;..\objs\settings;..\src\3rdparty\squirrel\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;WITH_SSE;WITH_ZLIB;WITH_LZO;WITH_LZMA;LZMA_API_STATIC;WITH_PNG;WITH_FREETYPE;WITH_ICU_SORT;WITH_ICU_LAYOUT;U_STATIC_IMPLEMENTATION;ENABLE_NETWORK;WITH_PERSONAL_DIR;PERSONAL_DIR="OpenTTD";_SQ64;WITH_ASSERT;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;WITH_XAUDIO2;WITH_SSE;WITH_ZLIB;WITH_LZO;WITH_LZMA;LZMA_API_STATIC;WITH_PNG;WITH_FREETYPE;WITH_ICU_SORT;WITH_ICU_LAYOUT;U_STATIC_IMPLEMENTATION;ENABLE_NETWORK;WITH_PERSONAL_DIR;PERSONAL_DIR="OpenTTD";_SQ64;WITH_ASSERT;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <StringPooling>true</StringPooling>
       <ExceptionHandling>Sync</ExceptionHandling>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
@@ -291,7 +291,7 @@
       <Optimization>Disabled</Optimization>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <AdditionalIncludeDirectories>..\objs\langs;..\objs\settings;..\src\3rdparty\squirrel\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;WITH_SSE;WITH_ZLIB;WITH_LZO;WITH_LZMA;LZMA_API_STATIC;WITH_PNG;WITH_FREETYPE;WITH_ICU_SORT;WITH_ICU_LAYOUT;U_STATIC_IMPLEMENTATION;ENABLE_NETWORK;WITH_PERSONAL_DIR;PERSONAL_DIR="OpenTTD";_SQ64;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;WITH_XAUDIO2;WITH_SSE;WITH_ZLIB;WITH_LZO;WITH_LZMA;LZMA_API_STATIC;WITH_PNG;WITH_FREETYPE;WITH_ICU_SORT;WITH_ICU_LAYOUT;U_STATIC_IMPLEMENTATION;ENABLE_NETWORK;WITH_PERSONAL_DIR;PERSONAL_DIR="OpenTTD";_SQ64;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
       <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
       <PrecompiledHeader>
@@ -705,6 +705,7 @@
     <ClInclude Include="..\src\window_func.h" />
     <ClInclude Include="..\src\window_gui.h" />
     <ClInclude Include="..\src\window_type.h" />
+    <ClInclude Include="..\src\sound\xaudio2_s.h" />
     <ClInclude Include="..\src\zoom_func.h" />
     <ClInclude Include="..\src\zoom_type.h" />
     <ClCompile Include="..\src\core\alloc_func.cpp" />
@@ -1318,6 +1319,7 @@
     <ClCompile Include="..\src\sound\null_s.cpp" />
     <ClCompile Include="..\src\sound\sdl_s.cpp" />
     <ClCompile Include="..\src\sound\win32_s.cpp" />
+    <ClCompile Include="..\src\sound\xaudio2_s.cpp" />
     <ClCompile Include="..\src\os\windows\crashlog_win.cpp" />
     <ResourceCompile Include="..\src\os\windows\ottdres.rc" />
     <ClCompile Include="..\src\os\windows\win32.cpp" />
diff --git a/projects/openttd_vs141.vcxproj.filters b/projects/openttd_vs141.vcxproj.filters
index a7508493c..c5dfab137 100644
--- a/projects/openttd_vs141.vcxproj.filters
+++ b/projects/openttd_vs141.vcxproj.filters
@@ -1209,6 +1209,9 @@
     <ClInclude Include="..\src\window_type.h">
       <Filter>Header Files</Filter>
     </ClInclude>
+    <ClInclude Include="..\src\sound\xaudio2_s.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
     <ClInclude Include="..\src\zoom_func.h">
       <Filter>Header Files</Filter>
     </ClInclude>
@@ -3048,6 +3051,9 @@
     <ClCompile Include="..\src\sound\win32_s.cpp">
       <Filter>Sound</Filter>
     </ClCompile>
+    <ClCompile Include="..\src\sound\xaudio2_s.cpp">
+      <Filter>Sound</Filter>
+    </ClCompile>
     <ClCompile Include="..\src\os\windows\crashlog_win.cpp">
       <Filter>Windows files</Filter>
     </ClCompile>
diff --git a/projects/openttd_vs141.vcxproj.in b/projects/openttd_vs141.vcxproj.in
index f4ec557c6..dc6dcd17f 100644
--- a/projects/openttd_vs141.vcxproj.in
+++ b/projects/openttd_vs141.vcxproj.in
@@ -105,7 +105,7 @@
       <FavorSizeOrSpeed>Size</FavorSizeOrSpeed>
       <OmitFramePointers>true</OmitFramePointers>
       <AdditionalIncludeDirectories>..\objs\langs;..\objs\settings;..\src\3rdparty\squirrel\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;WIN32_ENABLE_DIRECTMUSIC_SUPPORT;WITH_SSE;WITH_ZLIB;WITH_LZO;WITH_LZMA;LZMA_API_STATIC;WITH_PNG;WITH_FREETYPE;WITH_ICU_SORT;WITH_ICU_LAYOUT;U_STATIC_IMPLEMENTATION;ENABLE_NETWORK;WITH_PERSONAL_DIR;PERSONAL_DIR="OpenTTD";WITH_ASSERT;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;WIN32_ENABLE_DIRECTMUSIC_SUPPORT;WITH_XAUDIO2;WITH_SSE;WITH_ZLIB;WITH_LZO;WITH_LZMA;LZMA_API_STATIC;WITH_PNG;WITH_FREETYPE;WITH_ICU_SORT;WITH_ICU_LAYOUT;U_STATIC_IMPLEMENTATION;ENABLE_NETWORK;WITH_PERSONAL_DIR;PERSONAL_DIR="OpenTTD";WITH_ASSERT;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <StringPooling>true</StringPooling>
       <ExceptionHandling>Sync</ExceptionHandling>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
@@ -170,7 +170,7 @@
       <Optimization>Disabled</Optimization>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <AdditionalIncludeDirectories>..\objs\langs;..\objs\settings;..\src\3rdparty\squirrel\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;WIN32_ENABLE_DIRECTMUSIC_SUPPORT;WITH_SSE;WITH_ZLIB;WITH_LZO;WITH_LZMA;LZMA_API_STATIC;WITH_PNG;WITH_FREETYPE;WITH_ICU_SORT;WITH_ICU_LAYOUT;U_STATIC_IMPLEMENTATION;ENABLE_NETWORK;WITH_PERSONAL_DIR;PERSONAL_DIR="OpenTTD";%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;WIN32_ENABLE_DIRECTMUSIC_SUPPORT;WITH_XAUDIO2;WITH_SSE;WITH_ZLIB;WITH_LZO;WITH_LZMA;LZMA_API_STATIC;WITH_PNG;WITH_FREETYPE;WITH_ICU_SORT;WITH_ICU_LAYOUT;U_STATIC_IMPLEMENTATION;ENABLE_NETWORK;WITH_PERSONAL_DIR;PERSONAL_DIR="OpenTTD";%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
       <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
       <PrecompiledHeader>
@@ -228,7 +228,7 @@
       <FavorSizeOrSpeed>Size</FavorSizeOrSpeed>
       <OmitFramePointers>true</OmitFramePointers>
       <AdditionalIncludeDirectories>..\objs\langs;..\objs\settings;..\src\3rdparty\squirrel\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;WITH_SSE;WITH_ZLIB;WITH_LZO;WITH_LZMA;LZMA_API_STATIC;WITH_PNG;WITH_FREETYPE;WITH_ICU_SORT;WITH_ICU_LAYOUT;U_STATIC_IMPLEMENTATION;ENABLE_NETWORK;WITH_PERSONAL_DIR;PERSONAL_DIR="OpenTTD";_SQ64;WITH_ASSERT;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;WITH_XAUDIO2;WITH_SSE;WITH_ZLIB;WITH_LZO;WITH_LZMA;LZMA_API_STATIC;WITH_PNG;WITH_FREETYPE;WITH_ICU_SORT;WITH_ICU_LAYOUT;U_STATIC_IMPLEMENTATION;ENABLE_NETWORK;WITH_PERSONAL_DIR;PERSONAL_DIR="OpenTTD";_SQ64;WITH_ASSERT;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <StringPooling>true</StringPooling>
       <ExceptionHandling>Sync</ExceptionHandling>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
@@ -291,7 +291,7 @@
       <Optimization>Disabled</Optimization>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <AdditionalIncludeDirectories>..\objs\langs;..\objs\settings;..\src\3rdparty\squirrel\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;WITH_SSE;WITH_ZLIB;WITH_LZO;WITH_LZMA;LZMA_API_STATIC;WITH_PNG;WITH_FREETYPE;WITH_ICU_SORT;WITH_ICU_LAYOUT;U_STATIC_IMPLEMENTATION;ENABLE_NETWORK;WITH_PERSONAL_DIR;PERSONAL_DIR="OpenTTD";_SQ64;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;WITH_XAUDIO2;WITH_SSE;WITH_ZLIB;WITH_LZO;WITH_LZMA;LZMA_API_STATIC;WITH_PNG;WITH_FREETYPE;WITH_ICU_SORT;WITH_ICU_LAYOUT;U_STATIC_IMPLEMENTATION;ENABLE_NETWORK;WITH_PERSONAL_DIR;PERSONAL_DIR="OpenTTD";_SQ64;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
       <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
       <PrecompiledHeader>
diff --git a/projects/openttd_vs80.vcproj b/projects/openttd_vs80.vcproj
index 0255f18da..88899bbbc 100644
--- a/projects/openttd_vs80.vcproj
+++ b/projects/openttd_vs80.vcproj
@@ -1923,6 +1923,10 @@
 				>
 			</File>
 			<File
+				RelativePath=".\..\src\sound\xaudio2_s.h"
+				>
+			</File>
+			<File
 				RelativePath=".\..\src\zoom_func.h"
 				>
 			</File>
@@ -4490,6 +4494,10 @@
 				RelativePath=".\..\src\sound\win32_s.cpp"
 				>
 			</File>
+			<File
+				RelativePath=".\..\src\sound\xaudio2_s.cpp"
+				>
+			</File>
 		</Filter>
 		<Filter
 			Name="Windows files"
diff --git a/projects/openttd_vs90.vcproj b/projects/openttd_vs90.vcproj
index c4f63c919..6fb57832d 100644
--- a/projects/openttd_vs90.vcproj
+++ b/projects/openttd_vs90.vcproj
@@ -1920,6 +1920,10 @@
 				>
 			</File>
 			<File
+				RelativePath=".\..\src\sound\xaudio2_s.h"
+				>
+			</File>
+			<File
 				RelativePath=".\..\src\zoom_func.h"
 				>
 			</File>
@@ -4487,6 +4491,10 @@
 				RelativePath=".\..\src\sound\win32_s.cpp"
 				>
 			</File>
+			<File
+				RelativePath=".\..\src\sound\xaudio2_s.cpp"
+				>
+			</File>
 		</Filter>
 		<Filter
 			Name="Windows files"