Updated language gen tool to match vn scene gen style and rollup

src/dawntools/tools/CMakeLists.txt

@@ -79,10 +79,12 @@ endfunction()
 # Language Tool
 function(tool_language target in)
   add_custom_target(${target}
-    COMMAND languagegen "${DAWN_ASSETS_SOURCE_DIR}/${in}" "${DAWN_ASSETS_BUILD_DIR}"
+    COMMAND languagegen --input="${DAWN_ASSETS_SOURCE_DIR}/${in}" --output="${DAWN_TOOL_GENERATED_LANG_DIR}/${target}.language"
     COMMENT "Generating language set ${target} from ${in}"
     DEPENDS languagegen
   )
+  tool_generatedlanguages("${DAWN_TOOL_GENERATED_LANG_DIR}/${target}.language")
+  add_dependencies(${DAWN_TARGET_NAME} ${target})
 endfunction()
 
 # Audio Tool