[tetris] Support Windows resources in Gradle build

samples/tetris/build.bat

@@ -1,7 +1,7 @@
 @echo off
 setlocal
 set DIR=.
-if "%KONAN_DATA_DIR%"=="" (set KONAN_DATA_DIR="%HOME%\.konan")
+if "%KONAN_DATA_DIR%"=="" (set "KONAN_DATA_DIR=%userprofile%\.konan")
 set "PATH=..\..\dist\bin;..\..\bin;%KONAN_DATA_DIR%\dependencies\msys2-mingw-w64-x86_64-gcc-7.2.0-clang-llvm-5.0.0-windows-x86-64\bin;%PATH%"
 if "%TARGET%" == "" set TARGET=mingw
 rem Requires default mingw64 install path yet.

samples/tetris/build.gradle

@@ -3,6 +3,7 @@ apply plugin: 'konan'
 konan.targets = ['macbook', 'linux', 'raspberrypi', 'mingw']
 
 def konanUserDir = System.getenv("KONAN_DATA_DIR") ?: "${System.getProperty("user.home")}/.konan"
+def resFile = file("$buildDir/konan/res/Tetris.res")
 
 konanArtifacts {
 
@@ -50,11 +51,26 @@ konanArtifacts {
         }
 
         target 'mingw', {
-            linkerOpts "-L${System.getenv("MINGW64_DIR")?:"c:/msys64/mingw64"}/lib -lSDL2 -mwindows"
+            linkerOpts "$resFile -L${System.getenv("MINGW64_DIR")?:"c:/msys64/mingw64"}/lib -lSDL2 -mwindows"
+            dependsOn 'windowsResources'
+            inputs.file resFile
         }
     }
 }
 
+task windowsResources (type: Exec) {
+    def rcFile = file('Tetris.rc')
+    def path = System.getenv("PATH")
+
+    def windresDir = "$konanUserDir/dependencies/msys2-mingw-w64-x86_64-gcc-7.2.0-clang-llvm-5.0.0-windows-x86-64/bin"
+
+    commandLine "$windresDir/windres", rcFile, '-O', 'coff', '-o', resFile
+    environment 'PATH', "$windresDir;$path"
+
+    inputs.file rcFile
+    outputs.file resFile
+}
+
 compileKonan {
     doLast {
         konanArtifacts.tetris.forEach() { task ->