update events system

res/scripts/stdlib.lua

@@ -17,16 +17,17 @@ events = {
 }
 
 function events.on(event, func)
-    -- why an array? length is always = 1
+    events.handlers[event] = func
-    -- FIXME: temporary fixed
-    events.handlers[event] = {} -- events.handlers[event] or {}
-    table.insert(events.handlers[event], func)
 end
 
 function events.remove_by_prefix(prefix)
     for name, handlers in pairs(events.handlers) do
-        if name:sub(1, #prefix) == prefix then
+        local actualname = name
-            events.handlers[name] = nil
+        if type(name) == 'table' then
+            actualname = name[1]
+        end
+        if actualname:sub(1, #prefix+1) == prefix..':' then
+            events.handlers[actualname] = nil
         end
     end
 end
@@ -38,9 +39,7 @@ end
 function events.emit(event, ...)
     result = nil
     if events.handlers[event] then
-        for _, func in ipairs(events.handlers[event]) do
+        result = result or events.handlers[event](...)
-            result = result or func(...)
-        end
     end
     return result
 end