builder improvements - resource manager

sys/apis/itemDB.lua

@@ -0,0 +1,35 @@
+local TableDB = require('tableDB')
+
+local itemDB = TableDB({ fileName = 'usr/config/items.db' })
+
+function itemDB:get(key)
+
+  local item = TableDB.get(self, key)
+
+  if item then
+    return item
+  end
+
+  if key[2] ~= 0 then
+    item = TableDB.get(self, { key[1], 0, key[3] })
+    if item and item.maxDamage > 0 then
+      return item
+    end
+  end
+end
+
+function itemDB:add(key, item)
+
+  if item.maxDamage > 0 then
+    key = { key[1], 0, key[3] }
+  end
+  TableDB.add(self, key, item)
+end
+
+function itemDB:makeKey(item)
+  return { item.name, item.damage, item.nbtHash }
+end
+
+itemDB:load()
+
+return itemDB