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VoxeLibre/mods/mcl_craftguide/init.lua

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local craftguide, datas, mt = {}, {}, minetest
local progressive_mode = mt.setting_getbool("craftguide_progressive_mode")
local get_recipe, get_recipes = mt.get_craft_recipe, mt.get_all_craft_recipes
local get_result, show_formspec = mt.get_craft_result, mt.show_formspec
local reg_items = mt.registered_items
-- Lua 5.3 removed `table.maxn`, use this alternative in case of breakage:
-- https://github.com/kilbith/xdecor/blob/master/handlers/helpers.lua#L1
local remove, maxn, sort = table.remove, table.maxn, table.sort
local min, max, floor, ceil = math.min, math.max, math.floor, math.ceil
local group_stereotypes = {
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wool = "mcl_wool:white",
carpet = "mcl_wool:white_carpet",
dye = "mcl_dye:white",
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water_bucket = "bucket:bucket_water",
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flower = "mcl_flowers:dandelion",
mushroom = "mcl_farming:mushroom_brown",
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wood_slab = "stairs:slab_wood",
wood_stairs = "stairs:stairs_wood",
coal = "mcl_core:coal_lump",
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mesecon_conductor_craftable = "mesecons:wire_00000000_off",
}
function craftguide:group_to_item(item)
if item:sub(1,6) == "group:" then
local itemsub = item:sub(7)
if group_stereotypes[itemsub] then
item = group_stereotypes[itemsub]
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elseif reg_items["mcl_core:"..itemsub] then
item = item:gsub("group:", "mcl_core:")
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else
for name, def in pairs(reg_items) do
if def.groups[item:match("[^,:]+$")] then
item = name
end
end
end
end
return item:sub(1,6) == "group:" and "" or item
end
local function extract_groups(str)
if str:sub(1,6) ~= "group:" then return end
return str:sub(7):split(",")
end
local function colorize(str)
-- If client <= 0.4.14, don't colorize for compatibility.
return mt.colorize and mt.colorize("#FFFF00", str) or str
end
local function get_fueltime(item)
return get_result({method="fuel", width=1, items={item}}).time
end
function craftguide:get_tooltip(item, recipe_type, cooktime, groups)
local tooltip, item_desc = "tooltip["..item..";", ""
local fueltime = get_fueltime(item)
local has_extras = groups or recipe_type == "cooking" or fueltime > 0
if reg_items[item] then
if not groups then
item_desc = reg_items[item].description
end
else
return tooltip.."Unknown Item ("..item..")]"
end
if groups then
local groupstr
if #groups == 1 then
groupstr = "Any item belonging to the " .. colorize(groups[1]) .. " group"
else
groupstr = "Any item belonging to the following groups: "
for i=1, #groups do
groupstr = groupstr .. colorize(groups[i])..
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(groups[i+1] and " and " or "")
end
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end
tooltip = tooltip..groupstr
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end
if recipe_type == "cooking" then
tooltip = tooltip..item_desc.."\nCooking time: "..
colorize(cooktime)
end
if fueltime > 0 then
tooltip = tooltip..item_desc.."\nBurning time: "..
colorize(fueltime)
end
return has_extras and tooltip.."]" or ""
end
function craftguide:get_recipe(iY, xoffset, tooltip, item, recipe_num, recipes)
local formspec, recipes_total = "", #recipes
if recipes_total > 1 then
formspec = formspec..
"button[0,"..(iY+3)..";2,1;alternate;Alternate]"..
"label[0,"..(iY+2)..".5;Recipe "..
recipe_num.." of "..recipes_total.."]"
end
local recipe_type = recipes[recipe_num].type
local items = recipes[recipe_num].items
local width = recipes[recipe_num].width
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local cooking_time = 10
local is_shapeless = false
if recipe_type == "normal" and width == 0 then
is_shapeless = true
if #items <= 4 then
width = 2
else
width = min(3, #items)
end
end
if recipe_type == "cooking" then
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cooking_time = width
width = 1
formspec = formspec..
"image["..(xoffset-0.8)..","..(iY+1)..
".5;0.5,0.5;default_furnace_front_active.png]"
elseif is_shapeless then
formspec = formspec..
"image["..(xoffset-0.8)..","..(iY+1)..
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".5;0.5,0.5;craftguide_shapeless.png]"
end
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local rows = ceil(maxn(items) / width)
local btn_size, craftgrid_limit = 1, 5
if recipe_type == "normal" and
width > craftgrid_limit or rows > craftgrid_limit then
formspec = formspec..
"label["..xoffset..","..(iY+2)..
";Recipe is too big to\nbe displayed ("..
width.."x"..rows..")]"
else
for i, v in pairs(items) do
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local X = (i-1) % width + xoffset - 4 + (3 - max(1, width))
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local Y = ceil(i / width + iY+2 - min(2, rows))
if recipe_type == "normal" and
width > 3 or rows > 3 then
btn_size = width > 3 and 3 / width or 3 / rows
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X = btn_size * (i % width) + xoffset - 4 + (3 - max(1, width))
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Y = btn_size * floor((i-1) / width) + iY+3 -
min(2, rows)
end
local groups = extract_groups(v)
local label = groups and "\nG" or ""
local item_r = self:group_to_item(v)
local tltip = self:get_tooltip(
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item_r, recipe_type, cooking_time, groups)
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formspec = formspec..
"item_image_button["..X..","..Y..";"..
btn_size..","..btn_size..";"..item_r..
";"..item_r..";"..label.."]"..tltip
end
end
local output = recipes[recipe_num].output
return formspec..
"image["..(xoffset-1)..","..(iY+2)..
".12;0.9,0.7;craftguide_arrow.png]"..
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"item_image_button["..(xoffset)..","..(iY+2)..";1,1;"..
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output..";"..item..";]"..tooltip
end
function craftguide:get_formspec(player_name, is_fuel)
local data = datas[player_name]
local iY = data.iX - 5
local ipp = data.iX * iY
if not data.items then
data.items = datas.init_items
end
data.pagemax = max(1, ceil(#data.items / ipp))
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local formspec = "size["..data.iX..","..(iY+3)..".6;]"..
mcl_core.gui_slots ..
mcl_core.gui_bg ..
[[background[1,1;1,1;craftguide_bg.png;true]
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button[2.4,0.21;0.8,0.5;search;?]
button[3.05,0.21;0.8,0.5;clear;X]
tooltip[search;Search]
tooltip[clear;Reset]
tooltip[size_inc;Increase window size]
tooltip[size_dec;Decrease window size]
field_close_on_enter[filter, false] ]]..
"button["..(data.iX/2)..",-0.02;0.7,1;size_inc;+]"..
"button["..((data.iX/2) + 0.5)..
",-0.02;0.7,1;size_dec;-]"..
"button["..(data.iX-3)..".4,0;0.8,0.95;prev;<]"..
"label["..(data.iX-2)..".1,0.18;"..
colorize(data.pagenum).." / "..data.pagemax.."]"..
"button["..(data.iX-1)..".2,0;0.8,0.95;next;>]"..
"field[0.3,0.32;2.5,1;filter;;"..
mt.formspec_escape(data.filter).."]"
local even_num = data.iX % 2 == 0
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local xoffset = data.iX / 2 + (even_num and 0.5 or 0) + 2
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if not next(data.items) then
formspec = formspec..
"label["..(xoffset - (even_num and 1.5 or 1))..
",2;No item to show]"
end
local first_item = (data.pagenum - 1) * ipp
for i = first_item, first_item + ipp - 1 do
local name = data.items[i+1]
if not name then break end
local X = i % data.iX
local Y = (i % ipp - X) / data.iX + 1
formspec = formspec..
"item_image_button["..X..","..Y..";1,1;"..
name..";"..name.."_inv;]"
end
if data.item and reg_items[data.item] then
local tooltip = self:get_tooltip(data.item)
if not data.recipes_item or (is_fuel and not
get_recipe(data.item).items) then
formspec = formspec..
"image["..(xoffset-1)..","..(iY+2)..
".12;0.9,0.7;craftguide_arrow.png]"..
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"item_image_button["..(xoffset-2)..","..(iY+2)..
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";1,1;"..data.item..";"..data.item..";]"..
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tooltip.."image["..(xoffset)..","..
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(iY+1.98)..";1,1;craftguide_fire.png]"
else
formspec = formspec..self:get_recipe(
iY, xoffset, tooltip, data.item,
data.recipe_num, data.recipes_item)
end
end
data.formspec = formspec
show_formspec(player_name, "craftguide", formspec)
end
local function player_has_item(T)
for i=1, #T do
if T[i] then return true end
end
end
local function group_to_items(group)
local items_with_group, counter = {}, 0
for name, def in pairs(reg_items) do
if def.groups[group:sub(7)] then
counter = counter + 1
items_with_group[counter] = name
end
end
return items_with_group
end
local function item_in_inv(inv, item)
return inv:contains_item("main", item)
end
function craftguide:recipe_in_inv(inv, item_name, recipes_f)
local recipes = recipes_f or get_recipes(item_name) or {}
local show_item_recipes = {}
for i=1, #recipes do
show_item_recipes[i] = true
for _, item in pairs(recipes[i].items) do
local group_in_inv = false
if item:sub(1,6) == "group:" then
local groups = group_to_items(item)
for j=1, #groups do
if item_in_inv(inv, groups[j]) then
group_in_inv = true
end
end
end
if not group_in_inv and not item_in_inv(inv, item) then
show_item_recipes[i] = false
end
end
end
for i=#show_item_recipes, 1, -1 do
if not show_item_recipes[i] then
remove(recipes, i)
end
end
return recipes, player_has_item(show_item_recipes)
end
function craftguide:get_init_items()
local items_list, counter = {}, 0
for name, def in pairs(reg_items) do
local is_fuel = get_fueltime(name) > 0
if not (def.groups.not_in_creative_inventory == 1) and
(get_recipe(name).items or is_fuel) and
def.description and def.description ~= "" then
counter = counter + 1
items_list[counter] = name
end
end
sort(items_list)
datas.init_items = items_list
end
function craftguide:get_filter_items(data, player)
local filter = data.filter
local items_list = progressive_mode and data.init_filter_items or
datas.init_items
local inv = player:get_inventory()
local filtered_list, counter = {}, 0
for i=1, #items_list do
local item = items_list[i]
local item_desc = reg_items[item].description:lower()
if filter ~= "" then
if item:find(filter, 1, true) or
item_desc:find(filter, 1, true) then
counter = counter + 1
filtered_list[counter] = item
end
elseif progressive_mode then
local _, has_item = self:recipe_in_inv(inv, item)
if has_item then
counter = counter + 1
filtered_list[counter] = item
end
end
end
if progressive_mode and not data.items then
data.init_filter_items = filtered_list
end
data.items = filtered_list
end
mt.register_on_player_receive_fields(function(player, formname, fields)
if formname ~= "craftguide" then return end
local player_name = player:get_player_name()
local data = datas[player_name]
if fields.clear then
data.filter, data.item, data.pagenum, data.recipe_num =
"", nil, 1, 1
data.items = progressive_mode and data.init_filter_items or
datas.init_items
craftguide:get_formspec(player_name)
elseif fields.alternate then
local recipe = data.recipes_item[data.recipe_num + 1]
data.recipe_num = recipe and data.recipe_num + 1 or 1
craftguide:get_formspec(player_name)
elseif (fields.key_enter_field == "filter" or fields.search) and
fields.filter ~= "" then
data.filter = fields.filter:lower()
data.pagenum = 1
craftguide:get_filter_items(data, player)
craftguide:get_formspec(player_name)
elseif fields.prev or fields.next then
data.pagenum = data.pagenum - (fields.prev and 1 or -1)
if data.pagenum > data.pagemax then
data.pagenum = 1
elseif data.pagenum == 0 then
data.pagenum = data.pagemax
end
craftguide:get_formspec(player_name)
elseif (fields.size_inc and data.iX < 12) or
(fields.size_dec and data.iX > 8) then
data.pagenum = 1
data.iX = data.iX - (fields.size_dec and 1 or -1)
craftguide:get_formspec(player_name)
else for item in pairs(fields) do
if item:find(":") then
if item:sub(-4) == "_inv" then
item = item:sub(1,-5)
end
local recipes = get_recipes(item)
local is_fuel = get_fueltime(item) > 0
if not recipes and not is_fuel then return end
if progressive_mode then
local inv = player:get_inventory()
local _, has_item =
craftguide:recipe_in_inv(inv, item)
if not has_item then return end
recipes = craftguide:recipe_in_inv(
inv, item, recipes)
end
data.item = item
data.recipe_num = 1
data.recipes_item = recipes
craftguide:get_formspec(player_name, is_fuel)
end
end
end
end)
function craftguide:on_use(user)
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if not datas.init_items then
craftguide:get_init_items()
end
local player_name = user:get_player_name()
local data = datas[player_name]
if progressive_mode or not data then
datas[player_name] = {filter="", pagenum=1, iX=9}
if progressive_mode then
craftguide:get_filter_items(
datas[player_name], user)
end
craftguide:get_formspec(player_name)
else
show_formspec(player_name, "craftguide", data.formspec)
end
end
mt.register_on_player_receive_fields(function(player, formname, fields)
if fields.__mcl_craftguide then
craftguide:on_use(player)
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end
end)