Index: projects/openttd_vs80.vcproj.in
===================================================================
--- projects/openttd_vs80.vcproj.in	(revision 17778)
+++ projects/openttd_vs80.vcproj.in	(working copy)
@@ -59,7 +59,7 @@
 				EnableIntrinsicFunctions="true"
 				FavorSizeOrSpeed="2"
 				OmitFramePointers="true"
-				AdditionalIncludeDirectories="..\objs\langs;..\src\3rdparty\squirrel\include"
+				AdditionalIncludeDirectories="..\objs\langs;..\src\3rdparty\squirrel\include;$(OTTD_USEFUL)shared\include;$(OTTD_USEFUL)win32\include"
 				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE;WIN32_ENABLE_DIRECTMUSIC_SUPPORT;WITH_ZLIB;WITH_PNG;WITH_FREETYPE;WITH_ICU;ENABLE_NETWORK;WITH_PERSONAL_DIR;PERSONAL_DIR=\"OpenTTD\";WITH_ASSERT"
 				StringPooling="true"
 				ExceptionHandling="1"
@@ -100,6 +100,7 @@
 				AdditionalDependencies="winmm.lib ws2_32.lib libpng.lib zlibstat.lib dxguid.lib libfreetype2.lib libicu.lib"
 				LinkIncremental="1"
 				SuppressStartupBanner="true"
+				AdditionalLibraryDirectories="$(OTTD_USEFUL)win32\library"
 				IgnoreDefaultLibraryNames=""
 				GenerateDebugInformation="true"
 				SubSystem="2"
@@ -168,7 +169,7 @@
 				Name="VCCLCompilerTool"
 				AdditionalOptions="/MP"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\objs\langs;..\src\3rdparty\squirrel\include"
+				AdditionalIncludeDirectories="..\objs\langs;..\src\3rdparty\squirrel\include;$(OTTD_USEFUL)shared\include;$(OTTD_USEFUL)win32\include"
 				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE;WIN32_ENABLE_DIRECTMUSIC_SUPPORT;WITH_ZLIB;WITH_PNG;WITH_FREETYPE;WITH_ICU;ENABLE_NETWORK;WITH_PERSONAL_DIR;PERSONAL_DIR=\"OpenTTD\""
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="1"
@@ -200,6 +201,7 @@
 				AdditionalDependencies="winmm.lib ws2_32.lib libpng.lib zlibstat.lib dxguid.lib libfreetype2.lib libicu.lib"
 				LinkIncremental="0"
 				SuppressStartupBanner="true"
+				AdditionalLibraryDirectories="$(OTTD_USEFUL)win32\library"
 				IgnoreDefaultLibraryNames="LIBCMT.lib"
 				GenerateDebugInformation="true"
 				SubSystem="2"
@@ -272,7 +274,7 @@
 				EnableIntrinsicFunctions="true"
 				FavorSizeOrSpeed="2"
 				OmitFramePointers="true"
-				AdditionalIncludeDirectories="..\objs\langs;..\src\3rdparty\squirrel\include"
+				AdditionalIncludeDirectories="..\objs\langs;..\src\3rdparty\squirrel\include;$(OTTD_USEFUL)shared\include;$(OTTD_USEFUL)win64\include"
 				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE;WIN32_ENABLE_DIRECTMUSIC_SUPPORT;WITH_ZLIB;WITH_PNG;WITH_FREETYPE;WITH_ICU;ENABLE_NETWORK;WITH_PERSONAL_DIR;PERSONAL_DIR=\"OpenTTD\";_SQ64;WITH_ASSERT"
 				StringPooling="true"
 				ExceptionHandling="1"
@@ -313,6 +315,7 @@
 				AdditionalDependencies="winmm.lib ws2_32.lib libpng.lib zlibstat.lib dxguid.lib libfreetype2.lib libicu.lib"
 				LinkIncremental="1"
 				SuppressStartupBanner="true"
+				AdditionalLibraryDirectories="$(OTTD_USEFUL)win64\library"
 				IgnoreDefaultLibraryNames=""
 				GenerateDebugInformation="true"
 				SubSystem="2"
@@ -382,7 +385,7 @@
 				Name="VCCLCompilerTool"
 				AdditionalOptions="/MP"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\objs\langs;..\src\3rdparty\squirrel\include"
+				AdditionalIncludeDirectories="..\objs\langs;..\src\3rdparty\squirrel\include;$(OTTD_USEFUL)shared\include;$(OTTD_USEFUL)win64\include"
 				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE;WIN32_ENABLE_DIRECTMUSIC_SUPPORT;WITH_ZLIB;WITH_PNG;WITH_FREETYPE;WITH_ICU;ENABLE_NETWORK;WITH_PERSONAL_DIR;PERSONAL_DIR=\"OpenTTD\";_SQ64"
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="1"
@@ -416,6 +419,7 @@
 				AdditionalDependencies="winmm.lib ws2_32.lib libpng.lib zlibstat.lib dxguid.lib libfreetype2.lib libicu.lib"
 				LinkIncremental="0"
 				SuppressStartupBanner="true"
+				AdditionalLibraryDirectories="$(OTTD_USEFUL)win64\library"
 				IgnoreDefaultLibraryNames="LIBCMT.lib"
 				GenerateDebugInformation="true"
 				SubSystem="2"
Index: projects/openttd_vs90.vcproj.in
===================================================================
--- projects/openttd_vs90.vcproj.in	(revision 17778)
+++ projects/openttd_vs90.vcproj.in	(working copy)
@@ -60,7 +60,7 @@
 				EnableIntrinsicFunctions="true"
 				FavorSizeOrSpeed="2"
 				OmitFramePointers="true"
-				AdditionalIncludeDirectories="..\objs\langs;..\src\3rdparty\squirrel\include"
+				AdditionalIncludeDirectories="..\objs\langs;..\src\3rdparty\squirrel\include;$(OTTD_USEFUL)shared\include;$(OTTD_USEFUL)win32\include"
 				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE;WIN32_ENABLE_DIRECTMUSIC_SUPPORT;WITH_ZLIB;WITH_PNG;WITH_FREETYPE;WITH_ICU;ENABLE_NETWORK;WITH_PERSONAL_DIR;PERSONAL_DIR=\"OpenTTD\";WITH_ASSERT"
 				StringPooling="true"
 				ExceptionHandling="1"
@@ -101,6 +101,7 @@
 				AdditionalDependencies="winmm.lib ws2_32.lib libpng.lib zlibstat.lib dxguid.lib libfreetype2.lib libicu.lib"
 				LinkIncremental="1"
 				SuppressStartupBanner="true"
+				AdditionalLibraryDirectories="$(OTTD_USEFUL)win32\library"
 				IgnoreDefaultLibraryNames=""
 				GenerateDebugInformation="true"
 				SubSystem="2"
@@ -167,7 +168,7 @@
 				Name="VCCLCompilerTool"
 				AdditionalOptions="/MP"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\objs\langs;..\src\3rdparty\squirrel\include"
+				AdditionalIncludeDirectories="..\objs\langs;..\src\3rdparty\squirrel\include;$(OTTD_USEFUL)shared\include;$(OTTD_USEFUL)win32\include"
 				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE;WIN32_ENABLE_DIRECTMUSIC_SUPPORT;WITH_ZLIB;WITH_PNG;WITH_FREETYPE;WITH_ICU;ENABLE_NETWORK;WITH_PERSONAL_DIR;PERSONAL_DIR=\"OpenTTD\""
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="1"
@@ -199,6 +200,7 @@
 				AdditionalDependencies="winmm.lib ws2_32.lib libpng.lib zlibstat.lib dxguid.lib libfreetype2.lib libicu.lib"
 				LinkIncremental="0"
 				SuppressStartupBanner="true"
+				AdditionalLibraryDirectories="$(OTTD_USEFUL)win32\library"
 				IgnoreDefaultLibraryNames="LIBCMT.lib"
 				GenerateDebugInformation="true"
 				SubSystem="2"
@@ -270,7 +272,7 @@
 				EnableIntrinsicFunctions="true"
 				FavorSizeOrSpeed="2"
 				OmitFramePointers="true"
-				AdditionalIncludeDirectories="..\objs\langs;..\src\3rdparty\squirrel\include"
+				AdditionalIncludeDirectories="..\objs\langs;..\src\3rdparty\squirrel\include;$(OTTD_USEFUL)shared\include;$(OTTD_USEFUL)win64\include"
 				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE;WIN32_ENABLE_DIRECTMUSIC_SUPPORT;WITH_ZLIB;WITH_PNG;WITH_FREETYPE;WITH_ICU;ENABLE_NETWORK;WITH_PERSONAL_DIR;PERSONAL_DIR=\"OpenTTD\";_SQ64;WITH_ASSERT"
 				StringPooling="true"
 				ExceptionHandling="1"
@@ -311,6 +313,7 @@
 				AdditionalDependencies="winmm.lib ws2_32.lib libpng.lib zlibstat.lib dxguid.lib libfreetype2.lib libicu.lib"
 				LinkIncremental="1"
 				SuppressStartupBanner="true"
+				AdditionalLibraryDirectories="$(OTTD_USEFUL)win64\library"
 				IgnoreDefaultLibraryNames=""
 				GenerateDebugInformation="true"
 				SubSystem="2"
@@ -379,7 +382,7 @@
 				Name="VCCLCompilerTool"
 				AdditionalOptions="/MP"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\objs\langs;..\src\3rdparty\squirrel\include"
+				AdditionalIncludeDirectories="..\objs\langs;..\src\3rdparty\squirrel\include;$(OTTD_USEFUL)shared\include;$(OTTD_USEFUL)win64\include"
 				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE;WIN32_ENABLE_DIRECTMUSIC_SUPPORT;WITH_ZLIB;WITH_PNG;WITH_FREETYPE;WITH_ICU;ENABLE_NETWORK;WITH_PERSONAL_DIR;PERSONAL_DIR=\"OpenTTD\";_SQ64"
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="1"
@@ -413,6 +416,7 @@
 				AdditionalDependencies="winmm.lib ws2_32.lib libpng.lib zlibstat.lib dxguid.lib libfreetype2.lib libicu.lib"
 				LinkIncremental="0"
 				SuppressStartupBanner="true"
+				AdditionalLibraryDirectories="$(OTTD_USEFUL)win64\library"
 				IgnoreDefaultLibraryNames="LIBCMT.lib"
 				GenerateDebugInformation="true"
 				SubSystem="2"