Move generated directory to build directory

StepMania generates some files during build but it's a bit unusual to generate
them in source directory instead of build directory. Move them to build
directory and remove src/generated from .gitignore.

src/CMakeData-globals.cmake

@@ -3,10 +3,10 @@ list(APPEND SMDATA_GLOBAL_FILES_SRC
             "global.cpp"
             "SpecialFiles.cpp"
             "StepMania.cpp" # TODO: Refactor into separate main project.
-            "${SM_SRC_DIR}/generated/verstub.cpp")
+            "${SM_GENERATED_SRC_DIR}/verstub.cpp")
 
 list(APPEND SMDATA_GLOBAL_FILES_HPP
-            "generated/config.hpp"
+            "${SM_GENERATED_SRC_DIR}/config.hpp"
             "GameLoop.h"
             "global.h"
             "ProductInfo.h" # TODO: Have this be auto-generated.

src/CMakeData-gtk.cmake

@@ -13,7 +13,7 @@ set_property(TARGET "LoadingWindowGtk" PROPERTY CXX_STANDARD_REQUIRED ON)
 set_property(TARGET "LoadingWindowGtk" PROPERTY CXX_EXTENSIONS ON)
 
 target_include_directories("LoadingWindowGtk" PRIVATE "${SM_SRC_DIR}"
-                                                      "${SM_SRC_DIR}/generated"
+                                                      "${SM_GENERATED_SRC_DIR}"
                                                       "${SM_SRC_DIR}/arch/LoadingWindow"
                                                       "${GTK3_INCLUDE_DIRS}")
 

src/CMakeLists.txt

@@ -1,5 +1,3 @@
-file(MAKE_DIRECTORY "${SM_SRC_DIR}/generated")
-
 if(MSVC)
   # Add the mapconv program of the past to allow for debugging information.
   include("CMakeProject-mapconv.cmake")
@@ -448,7 +446,7 @@ endif()
 target_link_libraries("${SM_EXE_NAME}" ${SMDATA_LINK_LIB})
 
 list(APPEND SM_INCLUDE_DIRS ${CMAKE_CURRENT_SOURCE_DIR}
-            "${SM_SRC_DIR}/generated")
+            "${SM_GENERATED_SRC_DIR}")
 
 if(APPLE)
   list(APPEND SM_INCLUDE_DIRS "archutils/Unix")

src/CMakeProject-texture.cmake

@@ -44,7 +44,7 @@ target_link_libraries("TextureFontGenerator" ${TEXTURE_LINK_LIB})
 list(APPEND TEXTURE_INCLUDE_DIRS
             "${TEXTURE_DIR}"
             "${TEXTURE_DIR}/res"
-            "${SM_SRC_DIR}/generated")
+            "${SM_GENERATED_SRC_DIR}")
 
 target_include_directories("TextureFontGenerator"
                            PUBLIC ${TEXTURE_INCLUDE_DIRS})