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-- This pair of encoding functions is used where variable text must go in
-- button names, where the text might contain formspec metacharacters.
-- We can escape button names for the formspec, to avoid screwing up
-- form structure overall, but they then don't get de-escaped, and so
-- the input we get back from the button contains the formspec escaping.
-- This is a game engine bug, and in the anticipation that it might be
-- fixed some day we don't want to rely on it. So for safety we apply
-- an encoding that avoids all formspec metacharacters.
function unified_inventory.mangle_for_formspec(str)
return string.gsub(str, "([^A-Za-z0-9])", function (c) return string.format("_%d_", string.byte(c)) end)
end
function unified_inventory.demangle_for_formspec(str)
return string.gsub(str, "_([0-9]+)_", function (v) return string.char(v) end)
end
function unified_inventory.get_formspec(player, page)
if not player then
return ""
end
local player_name = player:get_player_name()
unified_inventory.current_page[player_name] = page
local pagedef = unified_inventory.pages[page]
local formspec = "size[14,10]"
local fsdata = nil
-- Background
formspec = formspec .. "background[-0.19,-0.25;14.4,10.75;ui_form_bg.png]"
-- Current page
if unified_inventory.pages[page] then
fsdata = pagedef.get_formspec(player)
formspec = formspec .. fsdata.formspec
else
return "" -- Invalid page name
end
-- Main buttons
for i, def in pairs(unified_inventory.buttons) do
if def.type == "image" then
formspec = formspec.."image_button["
..(0.65 * (i - 1))..",9;0.8,0.8;"
..minetest.formspec_escape(def.image)..";"
..minetest.formspec_escape(def.name)..";]"
end
end
if fsdata.draw_inventory ~= false then
-- Player inventory
formspec = formspec.."listcolors[#00000000;#00000000]"
formspec = formspec .. "list[current_player;main;0,4.5;8,4;]"
end
if fsdata.draw_item_list == false then
return formspec
end
-- Controls to flip items pages
local start_x = 9.2
formspec = formspec .. "image_button["..(start_x + 0.6 * 0)..",9;.8,.8;ui_skip_backward_icon.png;start_list;]"
formspec = formspec .. "image_button["..(start_x + 0.6 * 1)..",9;.8,.8;ui_doubleleft_icon.png;rewind3;]"
formspec = formspec .. "image_button["..(start_x + 0.6 * 2)..",9;.8,.8;ui_left_icon.png;rewind1;]"
formspec = formspec .. "image_button["..(start_x + 0.6 * 3)..",9;.8,.8;ui_right_icon.png;forward1;]"
formspec = formspec .. "image_button["..(start_x + 0.6 * 4)..",9;.8,.8;ui_doubleright_icon.png;forward3;]"
formspec = formspec .. "image_button["..(start_x + 0.6 * 5)..",9;.8,.8;ui_skip_forward_icon.png;end_list;]"
-- Search box
formspec = formspec .. "field[9.5,8.325;3,1;searchbox;;"..minetest.formspec_escape(unified_inventory.current_searchbox[player_name]).."]"
formspec = formspec .. "image_button[12.2,8.1;.8,.8;ui_search_icon.png;searchbutton;]"
-- Items list
if #unified_inventory.filtered_items_list[player_name] == 0 then
formspec = formspec.."label[8.2,0;No matching items]"
else
local dir = unified_inventory.active_search_direction[player_name]
local list_index = unified_inventory.current_index[player_name]
local page = math.floor(list_index / (80) + 1)
local pagemax = math.floor(
(#unified_inventory.filtered_items_list[player_name] - 1)
/ (80) + 1)
local item = {}
for y = 0, 9 do
for x = 0, 7 do
local name = unified_inventory.filtered_items_list[player_name][list_index]
if minetest.registered_items[name] then
formspec = formspec.."item_image_button["
..(8.2 + x * 0.7)..","
..(1 + y * 0.7)..";.81,.81;"
..name..";item_button_"..dir.."_"
..unified_inventory.mangle_for_formspec(name)..";]"
list_index = list_index + 1
end
end
end
formspec = formspec.."label[8.2,0;Page:]"
formspec = formspec.."label[9,0;"..page.." of "..pagemax.."]"
end
if unified_inventory.activefilter[player_name] ~= "" then
formspec = formspec.."label[8.2,0.4;Filter:]"
formspec = formspec.."label[9,0.4;"..minetest.formspec_escape(unified_inventory.activefilter[player_name]).."]"
end
return formspec
end
function unified_inventory.set_inventory_formspec(player, page)
if player then
local formspec = unified_inventory.get_formspec(player, page)
player:set_inventory_formspec(formspec)
end
end
--apply filter to the inventory list (create filtered copy of full one)
function unified_inventory.apply_filter(player, filter, search_dir)
local player_name = player:get_player_name()
local lfilter = string.lower(filter)
local ffilter
if lfilter:sub(1, 6) == "group:" then
local groups = lfilter:sub(7):split(",")
ffilter = function(name, def)
for _, group in ipairs(groups) do
if not ((def.groups[group] or 0) > 0) then
return false
end
end
return true
end
else
ffilter = function(name, def)
local lname = string.lower(name)
local ldesc = string.lower(def.description)
return string.find(lname, lfilter, 1, true) or string.find(ldesc, lfilter, 1, true)
end
end
unified_inventory.filtered_items_list[player_name]={}
for name, def in pairs(minetest.registered_items) do
if (def.groups.not_in_creative_inventory or 0) == 0 and (def.description or "") ~= "" and ffilter(name, def) then
table.insert(unified_inventory.filtered_items_list[player_name], name)
end
end
table.sort(unified_inventory.filtered_items_list[player_name])
unified_inventory.filtered_items_list_size[player_name] = #unified_inventory.filtered_items_list[player_name]
unified_inventory.current_index[player_name] = 1
unified_inventory.activefilter[player_name] = filter
unified_inventory.active_search_direction[player_name] = search_dir
unified_inventory.set_inventory_formspec(player,
unified_inventory.current_page[player_name])
end
function unified_inventory.items_in_group(groups)
local items = {}
for name, item in pairs(minetest.registered_items) do
for _, group in pairs(groups:split(',')) do
if item.groups[group] then
table.insert(items, name)
end
end
end
return items
end
function unified_inventory.sort_inventory(inv)
local inlist = inv:get_list("main")
local typecnt = {}
local typekeys = {}
for _, st in ipairs(inlist) do
if not st:is_empty() then
local n = st:get_name()
local w = st:get_wear()
local m = st:get_metadata()
local k = string.format("%s %05d %s", n, w, m)
if not typecnt[k] then
typecnt[k] = {
name = n,
wear = w,
metadata = m,
stack_max = st:get_stack_max(),
count = 0,
}
table.insert(typekeys, k)
end
typecnt[k].count = typecnt[k].count + st:get_count()
end
end
table.sort(typekeys)
local outlist = {}
for _, k in ipairs(typekeys) do
local tc = typecnt[k]
while tc.count > 0 do
local c = math.min(tc.count, tc.stack_max)
table.insert(outlist, ItemStack({
name = tc.name,
wear = tc.wear,
metadata = tc.metadata,
count = c,
}))
tc.count = tc.count - c
end
end
if #outlist > #inlist then return end
while #outlist < #inlist do
table.insert(outlist, ItemStack(nil))
end
inv:set_list("main", outlist)
end
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