async api

Author: BuckarooBanzay

api.async.lua

@@ -1,2 +1,8 @@
 
-mapsync = {}
+mapsync = {
+	async_env = true
+}
+
+function mapsync.select_backend(chunk_pos)
+	return minetest.ipc_get("mapsync:backend")
+end

api.lua

@@ -19,7 +19,11 @@ function mapsync.register_backend(name, backend_def)
     backends[name] = backend_def
     if minetest.ipc_set then
 	    -- register async
-	    minetest.ipc_set("mapsync:backend", backends)
+	    minetest.ipc_set("mapsync:backend", {
+		    type = backend_def.type,
+		    name = backend_def.name,
+		    path = backend_def.path
+	    })
     end
 end