126 lines
3.3 KiB
Lua
126 lines
3.3 KiB
Lua
select_item = {}
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select_item.predef_filters = {}
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-- Creative Inventory items
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select_item.predef_filters.creative = function(itemstring)
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local itemdef = minetest.registered_items[itemstring]
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if itemstring == "air" then
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return false
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end
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if itemdef.description == nil or itemdef.description == "" then
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return false
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end
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if minetest.get_item_group(itemstring, "not_in_creative_inventory") == 1 then
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return false
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end
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return true
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end
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-- No filtering
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select_item.predef_filters.all = function()
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return true
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end
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local check_item = function(itemstring, filter)
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local itemdef = minetest.registered_items[itemstring]
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if itemstring == "" or itemstring == "unknown" or itemstring == "ignore" or itemdef == nil then
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return
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end
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if type(filter) == "function" then
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if filter(itemstring) == false then
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return false
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end
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end
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return true
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end
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local get_items = function(filter)
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local it = {}
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for itemstring, itemdef in pairs(minetest.registered_items) do
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if check_item(itemstring, filter) then
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table.insert(it, {itemstring=itemstring, itemdef=itemdef})
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end
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end
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-- Sort alphabetically by itemstring
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local compare = function(t1, t2)
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return t1.itemstring < t2.itemstring
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end
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table.sort(it, compare)
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return it
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end
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local xsize = 12
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local ysize = 9
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select_item.select_item = function(playername, filter, page)
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local form = "size["..xsize..","..(ysize+1).."]"
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local items = get_items(filter)
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local x = 0
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local y = 0.5
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if page == nil then page = 1 end
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local start = 1 + (page-1) * xsize * ysize
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form = form .. "label[0,0;Select an item:]"
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for i=start, #items do
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local itemstring = items[i].itemstring
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local itemdef = items[i].itemdef
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local name = "item_"..itemstring
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form = form .. "item_image_button["..x..","..y..";1,1;"..itemstring..";"..name..";]"
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if itemdef.description == nil or itemdef.description == "" then
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form = form .. "tooltip["..name..";"..itemstring.."]"
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end
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x = x + 1
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if x >= xsize then
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x = 0
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y = y + 1
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if y >= ysize then
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break
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end
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end
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end
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local ynav = (ysize + 0.5)
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form = form .. "button[0,"..ynav..";1,1;previous;<]"
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form = form .. "button[1,"..ynav..";1,1;next;>]"
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form = form .. "label[2,"..ynav..";"..minetest.formspec_escape(string.format("Page %d", page)).."]"
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form = form .. "button_exit["..(xsize-2)..","..ynav..";2,1;cancel;Cancel]"
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minetest.show_formspec(playername, "select_item:page"..page, form)
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end
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local callbacks = {}
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select_item.register_callback = function(callback)
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table.insert(callbacks, callback)
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end
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minetest.register_on_player_receive_fields(function(player, formname, fields)
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if string.sub(formname, 1, 16) == "select_item:page" then
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local playername = player:get_player_name()
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local item
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for field,_ in pairs(fields) do
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if string.sub(field, 1, 5) == "item_" then
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item = string.sub(field, 6, string.len(field))
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break
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end
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end
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if item then
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for i=1,#callbacks do
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callbacks[i](playername, item)
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end
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end
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local page = tonumber(string.sub(formname, 17, string.len(formname)))
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if page ~= nil then
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if fields.previous and page > 1 then
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select_item.select_item(player:get_player_name(), nil, page - 1)
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elseif fields.next then
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local items = get_items()
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local maxpage = (#items / (xsize*ysize)) + 1
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if page + 1 < maxpage then
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select_item.select_item(playername, nil, page + 1)
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end
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end
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end
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end
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end)
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