CMake: Copy FFNx into game path for easier development

FFNx will now copy itself on the main FF7 and FF8 detected game directory, if installed.
Works at the moment only on FF7 1998 and FF8 2000 editions.

CMakeLists.txt

@@ -306,12 +306,49 @@ add_custom_command(
 
 # CPU INFO
 add_custom_command(
-    TARGET ${RELEASE_NAME}
-    PRE_BUILD
-    # Get CPU info
-    COMMAND
-      ${CMAKE_BINARY_DIR}/vcpkg_installed/x86-windows-static/tools/cpuinfo/cpu-info
-    # Get CPU ISA supported instructions
-    COMMAND
-      ${CMAKE_BINARY_DIR}/vcpkg_installed/x86-windows-static/tools/cpuinfo/isa-info
+  TARGET ${RELEASE_NAME}
+  PRE_BUILD
+  # Get CPU info
+  COMMAND
+    ${CMAKE_BINARY_DIR}/vcpkg_installed/x86-windows-static/tools/cpuinfo/cpu-info
+  # Get CPU ISA supported instructions
+  COMMAND
+    ${CMAKE_BINARY_DIR}/vcpkg_installed/x86-windows-static/tools/cpuinfo/isa-info
 )
+
+# Copy FFNx release to FF7 game path if installed
+cmake_host_system_information(RESULT FF7_GAME_PATH QUERY WINDOWS_REGISTRY "HKLM/SOFTWARE/Square Soft, Inc./Final Fantasy VII" VALUE "AppPath" ERROR_VARIABLE FF7_KEY_QUERY_RES)
+if("${FF7_KEY_QUERY_RES}" STREQUAL "")
+  cmake_path(CONVERT "${FF7_GAME_PATH}" TO_CMAKE_PATH_LIST FF7_GAME_PATH)
+  add_custom_command(
+    TARGET ${RELEASE_NAME}
+    POST_BUILD
+    COMMAND echo Copying ${RELEASE_NAME} ${_DLL_VERSION} release to ${FF7_GAME_PATH}...
+    # Copy all dist files
+    COMMAND ${CMAKE_COMMAND} -E copy_directory
+            ${CMAKE_BINARY_DIR}/bin
+            ${FF7_GAME_PATH}
+  )
+endif()
+
+# Copy FFNx release to FF8 game path if installed
+cmake_host_system_information(RESULT FF8_GAME_PATH QUERY WINDOWS_REGISTRY "HKLM/SOFTWARE/Square Soft, Inc/FINAL FANTASY VIII/1.00" VALUE "AppPath" ERROR_VARIABLE FF8_KEY_QUERY_RES)
+if("${FF8_KEY_QUERY_RES}" STREQUAL "")
+  cmake_path(CONVERT "${FF8_GAME_PATH}" TO_CMAKE_PATH_LIST FF8_GAME_PATH)
+  add_custom_command(
+    TARGET ${RELEASE_NAME}
+    POST_BUILD
+    COMMAND echo Copying ${RELEASE_NAME} ${_DLL_VERSION} release to ${FF8_GAME_PATH}...
+    # Copy all dist files
+    COMMAND ${CMAKE_COMMAND} -E copy_directory
+            ${CMAKE_BINARY_DIR}/bin
+            ${FF8_GAME_PATH}
+    # Delete previous eax.dll
+    COMMAND ${CMAKE_COMMAND} -E remove
+            ${FF8_GAME_PATH}/eax.dll
+    # Rename FFNx.dll to eax.dll
+    COMMAND ${CMAKE_COMMAND} -E rename
+            ${FF8_GAME_PATH}/FFNx.dll
+            ${FF8_GAME_PATH}/eax.dll
+  )
+endif()