Books: Also limit the max size of the title

This limits the max size of the full title of the book to `80` letters and
the size of the part thats displayed in the tooltip to `35` letters.

diff --git a/mods/default/craftitems.lua b/mods/default/craftitems.lua
index eda52f51119266d69330901afaf4f6ff24a9cb48..e4a93ae58d8833997fbb538b0122f3f9d9c4affc 100644 (file)
--- a/mods/default/craftitems.lua
+++ b/mods/default/craftitems.lua
@@ -76,6 +76,8 @@ local function book_on_use(itemstack, user)
 end
 
 local max_text_size = 10000
+local max_title_size = 80
+local short_title_size = 35
 minetest.register_on_player_receive_fields(function(player, formname, fields)
        if formname ~= "default:book" then return end
        local inv = player:get_inventory()
@@ -101,9 +103,14 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
                end
 
                if not data then data = {} end
-               data.title = fields.title
+               data.title = fields.title:sub(1, max_title_size)
                data.owner = player:get_player_name()
-               data.description = "\""..fields.title.."\" by "..data.owner
+               local short_title = data.title
+               -- Don't bother triming the title if the trailing dots would make it longer
+               if #short_title > short_title_size + 3 then
+                       short_title = short_title:sub(1, short_title_size) .. "..."
+               end
+               data.description = "\""..short_title.."\" by "..data.owner
                data.text = fields.text:sub(1, max_text_size)
                data.page = 1
                data.page_max = math.ceil((#data.text:gsub("[^\n]", "") + 1) / lpp)