Use a full user data object for MapObject references

Based on a templated helper class, MapObject references in Lua scripts are now
full user data objects. Using the '__index' member of their metatable, a
library is associated with it so that member functions can be called directly
on the object.

Reviewed-by: Yohann Ferreira
Reviewed-by: Erik Schilling

1 files changed, 10 insertions, 0 deletions

diff --git a/example/serverdata/scripts/npcs/merchant.lua b/example/serverdata/scripts/npcs/merchant.lua
index 23035b11..c3bd36a0 100644
--- a/example/serverdata/scripts/npcs/merchant.lua
+++ b/example/serverdata/scripts/npcs/merchant.lua
@@ -48,6 +48,7 @@ function Merchant(npc, ch, buy_sell_table)
   else
       table.insert (choice_table, "Can you make me a price for what I have?")
   end
+  table.insert (choice_table, "Tell me about the objects on this map")
   table.insert (choice_table, "Nevermind...")
 
   local v = do_choice(npc, ch, choice_table)
@@ -94,6 +95,15 @@ function Merchant(npc, ch, buy_sell_table)
         end
     end
 
+  elseif v == 3 then
+
+    local objects = mana.map_get_objects()
+    do_message(npc, ch, "There are " .. #objects .. " objects on this map, their names are:")
+    for i=1,#objects do
+        do_message(npc, ch, tostring(i) .. ": " .. objects[i]:name())
+    end
+
   end
+
   do_message(npc, ch, "See you later!")
 end