Revert "Project modernization (#630)"

This code was not tested and breaks in Release builds, reverting to restore
functionality of the nightly. All in-game menus do not work and generating
a world crashes.

This reverts commit a9be52c41a.

Minecraft.Client/InventoryScreen.cpp

@@ -31,8 +31,8 @@ void InventoryScreen::renderLabels()
 void InventoryScreen::render(int xm, int ym, float a)
 {
     AbstractContainerScreen::render(xm, ym, a);
-    this->xMouse = static_cast<float>(xm);
-    this->yMouse = static_cast<float>(ym);
+    this->xMouse = (float)xm;
+    this->yMouse = (float)ym;
 }
 
 void InventoryScreen::renderBg(float a)