[Android] Be able to create version.gradle

Android/.gitignore

@@ -1,6 +1,8 @@
-# Generated and temporary files
 assets/project64_data/Config
 assets/project64_data/Lang
+config/version.gradle
+
+# Generated and temporary files
 bin/
 gen/
 obj/

Android/Script/UpdateVersionNumber.cmd

@@ -0,0 +1,13 @@
+@ECHO OFF
+SETLOCAL
+
+set origdir=%cd%
+cd /d %~dp0..\..\
+set base_dir=%cd%
+cd /d %origdir%
+
+"%base_dir%\Android\Script\UpdateVersion.exe" "%base_dir%\Android\config\version.gradle.in" "%base_dir%\Android\config\version.gradle"
+
+:End
+ENDLOCAL
+exit /B 0

Android/config/version.gradle.in

@@ -0,0 +1,15 @@
+android {
+    buildToolsVersion '30.0.3'
+    compileSdkVersion 30
+    ndkVersion "22.1.7171670"
+    defaultConfig {
+        minSdkVersion 17
+        targetSdkVersion 30
+        VersionMajor = 4
+        VersionMinor = 0
+        VersionRevison = 0
+        VersionPrefix = "Dev"
+        versionCode = 1
+        versionName = "4.0.0 (Unknown)"
+    }
+}

Source/UpdateVersion/UpdateVersion.cpp

@@ -153,7 +153,48 @@ int main()
         return 0;
     }
 
-    for (size_t i = 0, n = VersionData.size() - 1; i < n; i++)
+    uint32_t VersionMajor = 0, VersionMinor = 0, VersionRevison = 0;
+    std::string VersionPrefix;
+    for (size_t i = 0, n = VersionData.size(); i < n; i++)
+    {
+        stdstr line = VersionData[i];
+        line.Trim();
+
+        if (_strnicmp(line.c_str(), "VersionMajor = ", 13) == 0)
+        {
+            VersionMajor = atoi(&(line.c_str()[14]));
+        }
+        else if (_strnicmp(line.c_str(), "VersionMinor = ", 13) == 0)
+        {
+            VersionMinor = atoi(&(line.c_str()[14]));
+        }
+        else if (_strnicmp(line.c_str(), "VersionRevison = ", 17) == 0)
+        {
+            VersionRevison = atoi(&(line.c_str()[17]));
+        }
+        else if (_strnicmp(line.c_str(), "VersionPrefix = ", 15) == 0)
+        {
+            size_t StartPrefix = line.find("\"", 15);
+            size_t EndPrefix = std::string::npos;
+            if (StartPrefix != std::string::npos)
+            {
+                EndPrefix = line.find("\"", StartPrefix + 1);
+            }
+            if (EndPrefix != std::string::npos)
+            {
+                VersionPrefix = line.substr(StartPrefix + 1, EndPrefix - (StartPrefix + 1));
+            }
+        }
+        else
+        {
+            continue;
+        }
+        VersionData.erase(VersionData.begin() + i);
+        i -= 1;
+        n -= 1;
+    }
+    
+    for (size_t i = 0, n = VersionData.size(); i < n; i++)
     {
         stdstr &line = VersionData[i];
         line += "\n";
@@ -177,6 +218,19 @@ int main()
         {
             line.Format("#define GIT_DIRTY                   \"%s\"\n", BuildDirty ? "Dirty" : "");
         }
+        else if (_strnicmp(line.c_str(), "        versionCode = ", 22) == 0)
+        {
+            line.Format("        versionCode = %d\n", VersionBuild);
+        }
+        else if (_strnicmp(line.c_str(), "        versionName = ", 22) == 0)
+        {
+            line.Format("        versionName = \"%d.%d.%d.%d", VersionMajor, VersionMinor, VersionRevison, VersionBuild);
+            if (VersionPrefix.length() > 0)
+            {
+                line += stdstr_f(" (%s)", VersionPrefix.c_str());
+            }
+            line += "\"\n";
+        }
         if (!OutFile.Write(line.c_str(), (uint32_t)line.length()))
         {
             return 0;