项目架构重构，代码整理

build-mingw.ps1

@@ -61,14 +61,9 @@ foreach ($Candidate in $WindresCandidates) {
 
 New-Item -ItemType Directory -Force -Path $BuildDir | Out-Null
 
-$Sources = @(
-    (Join-Path $SourceDir "stdafx.cpp"),
-    (Join-Path $SourceDir "Tetris.cpp"),
-    (Join-Path $SourceDir "TetrisLogic.cpp"),
-    (Join-Path $SourceDir "TetrisLogicInnovation.cpp"),
-    (Join-Path $SourceDir "TetrisRogue.cpp"),
-    (Join-Path $SourceDir "TetrisRender.cpp")
-)
+$Sources = Get-ChildItem -Path $SourceDir -Recurse -Filter "*.cpp" |
+    Sort-Object FullName |
+    Select-Object -ExpandProperty FullName
 
 $LinkInputs = @()