Fixed vehicles export

assets/blender/vehicles/CMakeLists.txt

@@ -0,0 +1,25 @@
+project(vehicles)
+
+set(VEHICLES_SRC boat-big.blend boat.blend
+	boat-gobbot.blend boat-sails.blend
+	raft.blend tiny-boat.blend)
+set(VEHICLE_OUTPUT_FILES)
+
+foreach(VEHICLE_FILE ${VEHICLES_SRC})
+	get_filename_component(FILE_NAME ${VEHICLE_FILE} NAME_WE)
+	set(VEHICLE_OUTPUT_FILE ${CMAKE_BINARY_DIR}/resources/vehicles/${FILE_NAME}.glb)
+	add_custom_command(
+		OUTPUT ${VEHICLE_OUTPUT_FILE} ${CMAKE_BINARY_DIR}/resources/vehicles/${FILE_NAME}.scene
+		COMMAND ${CMAKE_COMMAND} -E make_directory ${CMAKE_BINARY_DIR}/resources/vehicles
+		COMMAND ${BLENDER} ${CMAKE_CURRENT_SOURCE_DIR}/${VEHICLE_FILE}
+			-b -Y -P
+			${CMAKE_SOURCE_DIR}/assets/blender/scripts/export_vehicles.py
+			-- ${VEHICLE_OUTPUT_FILE}
+		COMMAND ${CMAKE_COMMAND} -D FILE=${CMAKE_BINARY_DIR}/resources/vehicles/${FILE_NAME}.glb -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/check_file_size.cmake
+		COMMAND ${CMAKE_COMMAND} -D FILE=${CMAKE_BINARY_DIR}/resources/vehicles/${FILE_NAME}.scene -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/check_file_size.cmake
+		COMMAND touch ${VEHICLE_OUTPUT_FILE}
+		DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/${VEHICLE_FILE} ${CMAKE_SOURCE_DIR}/assets/blender/scripts/export_vehicles.py)
+	list(APPEND VEHICLE_OUTPUT_FILES ${VEHICLE_OUTPUT_FILE} ${CMAKE_BINARY_DIR}/resources/vehicles/${FILE_NAME}.scene)
+endforeach()
+
+add_custom_target(import_vehicles ALL DEPENDS ${VEHICLE_OUTPUT_FILES})

assets/blender/vehicles/cmake/check_file_size.cmake

@@ -0,0 +1,11 @@
+if(EXISTS "${FILE}")
+	file(SIZE "${FILE}" FILE_SIZE)
+    if(FILE_SIZE GREATER 0)
+	    message(STATUS "Build-time check: ${FILE} exists and is not empty.")
+    else()
+	    message(FATAL_ERROR "Build-time check: ${FILE} exists but is empty!")
+    endif()
+else()
+	message(FATAL_ERROR "Build-time check: ${FILE} does not exist!")
+endif()
+