Merge pull request #568 from GHOST3118/improve-items

Improve items

res/scripts/stdlib.lua

@@ -131,6 +131,44 @@ function inventory.decrement(invid, slot, count)
     end
 end
 
+function inventory.get_caption(invid, slot)
+    local item_id, count = inventory.get(invid, slot)
+    local caption = inventory.get_data(invid, slot, "caption")
+    if not caption then return item.caption(item_id) end
+
+    return caption
+end
+
+function inventory.set_caption(invid, slot, caption)
+    local itemid, itemcount = inventory.get(invid, slot)
+    if itemid == 0 then
+        return
+    end
+    if caption == nil or type(caption) ~= "string" then
+        caption = ""
+    end
+    inventory.set_data(invid, slot, "caption", caption)
+end
+
+function inventory.get_description(invid, slot)
+    local item_id, count = inventory.get(invid, slot)
+    local description = inventory.get_data(invid, slot, "description")
+    if not description then return item.description(item_id) end
+
+    return description
+end
+
+function inventory.set_description(invid, slot, description)
+    local itemid, itemcount = inventory.get(invid, slot)
+    if itemid == 0 then
+        return
+    end
+    if description == nil or type(description) ~= "string" then
+        description = ""
+    end
+    inventory.set_data(invid, slot, "description", description)
+end
+
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