implement automatic versioning based on git status

If the current commit has a tag, the version string will be "Cxbx-Reloaded TAG_NAME (DATE)
If the current commit does not have a tag, the version string will be "Cxbx-Reloaded COMMIT_SHORT_HASH (DATE)"

.gitignore

@@ -76,3 +76,4 @@ packages/
 
 #Test files
 *.testsettings
+src/Version.h

Build/win32/Version.bat

@@ -0,0 +1,6 @@
+@ECHO OFF
+SET GIT_VERSION=
+git describe --always > GIT_VERSION
+for /f "delims=" %%x in (GIT_VERSION) do set GIT_VERSION=%%x
+ECHO #define _GIT_VERSION "%GIT_VERSION%" > "%~1"
+del GIT_VERSION

build/win32/CxbxKrnl.vcxproj

@@ -55,6 +55,18 @@
     <IncludePath Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">..\..\import\DirectX8\include;$(IncludePath)</IncludePath>
     <LibraryPath Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">..\..\import\DirectX8\lib;$(LibraryPath)</LibraryPath>
   </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <CustomBuildBeforeTargets>
+    </CustomBuildBeforeTargets>
+    <CustomBuildAfterTargets>
+    </CustomBuildAfterTargets>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <CustomBuildBeforeTargets>
+    </CustomBuildBeforeTargets>
+    <CustomBuildAfterTargets>
+    </CustomBuildAfterTargets>
+  </PropertyGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
     <Midl>
       <PreprocessorDefinitions>NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
@@ -100,6 +112,22 @@
       <Command>
       </Command>
     </PostBuildEvent>
+    <CustomBuildStep>
+      <Command>
+      </Command>
+    </CustomBuildStep>
+    <CustomBuildStep>
+      <Outputs>
+      </Outputs>
+      <TreatOutputAsContent>
+      </TreatOutputAsContent>
+    </CustomBuildStep>
+    <PreBuildEvent>
+      <Command>$(SolutionDir)Version.bat $(SolutionDir)..\..\src\Version.h</Command>
+    </PreBuildEvent>
+    <PreBuildEvent>
+      <Message>Build Version.ini</Message>
+    </PreBuildEvent>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
     <Midl>
@@ -149,6 +177,22 @@
       <Command>
       </Command>
     </PostBuildEvent>
+    <CustomBuildStep>
+      <Command>
+      </Command>
+    </CustomBuildStep>
+    <CustomBuildStep>
+      <Outputs>
+      </Outputs>
+      <TreatOutputAsContent>
+      </TreatOutputAsContent>
+    </CustomBuildStep>
+    <PreBuildEvent>
+      <Command>$(SolutionDir)Version.bat $(SolutionDir)..\..\src\Version.h</Command>
+    </PreBuildEvent>
+    <PreBuildEvent>
+      <Message>Build Version.ini</Message>
+    </PreBuildEvent>
   </ItemDefinitionGroup>
   <ItemGroup>
     <ClInclude Include="..\..\src\Common\Win32\AlignPosfix1.h" />

src/Cxbx.h

@@ -82,11 +82,13 @@ typedef signed long    sint32;
 /*! define this to dump textures that are registered */
 //#define _DEBUG_DUMP_TEXTURE_REGISTER   "D:\\cxbx\\_textures\\"
 
+#include "Version.h"
+
 /*! version string dependent on trace flag */
 #ifndef _DEBUG_TRACE
-#define _CXBX_VERSION "0.0.1-POC"
+#define _CXBX_VERSION _GIT_VERSION " ("__DATE__ ")"
 #else
-#define _CXBX_VERSION "0.0.1-POC-Trace"
+#define _CXBX_VERSION _GIT_VERSION "-Trace ("__DATE__ ")"
 #endif
 
 /*! debug mode choices */