nalc_game/mods/mtg_craftguide/init.lua

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local S = minetest.get_translator("mtg_craftguide")
local esc = minetest.formspec_escape
local player_data = {}
local init_items = {}
local recipes_cache = {}
local usages_cache = {}
local group_stereotypes = {
dye = "dye:white",
wool = "wool:white",
coal = "default:coal_lump",
vessel = "vessels:glass_bottle",
flower = "flowers:dandelion_yellow"
}
local group_names = {
coal = S("Any coal"),
sand = S("Any sand"),
wool = S("Any wool"),
stick = S("Any stick"),
vessel = S("Any vessel"),
wood = S("Any wood planks"),
stone = S("Any kind of stone block"),
["color_red,flower"] = S("Any red flower"),
["color_blue,flower"] = S("Any blue flower"),
["color_black,flower"] = S("Any black flower"),
["color_green,flower"] = S("Any green flower"),
["color_white,flower"] = S("Any white flower"),
["color_orange,flower"] = S("Any orange flower"),
["color_violet,flower"] = S("Any violet flower"),
["color_yellow,flower"] = S("Any yellow flower"),
["color_red,dye"] = S("Any red dye"),
["color_blue,dye"] = S("Any blue dye"),
["color_cyan,dye"] = S("Any cyan dye"),
["color_grey,dye"] = S("Any grey dye"),
["color_pink,dye"] = S("Any pink dye"),
["color_black,dye"] = S("Any black dye"),
["color_brown,dye"] = S("Any brown dye"),
["color_green,dye"] = S("Any green dye"),
["color_white,dye"] = S("Any white dye"),
["color_orange,dye"] = S("Any orange dye"),
["color_violet,dye"] = S("Any violet dye"),
["color_yellow,dye"] = S("Any yellow dye"),
["color_magenta,dye"] = S("Any magenta dye"),
["color_dark_grey,dye"] = S("Any dark grey dye"),
["color_dark_green,dye"] = S("Any dark green dye")
}
local function table_replace(t, val, new)
for k, v in pairs(t) do
if v == val then
t[k] = new
end
end
end
local function extract_groups(str)
if str:sub(1, 6) == "group:" then
return str:sub(7):split()
end
return nil
end
local function item_has_groups(item_groups, groups)
for _, group in ipairs(groups) do
if not item_groups[group] then
return false
end
end
return true
end
local function groups_to_item(groups)
if #groups == 1 then
local group = groups[1]
if group_stereotypes[group] then
return group_stereotypes[group]
elseif minetest.registered_items["default:"..group] then
return "default:"..group
end
end
for name, def in pairs(minetest.registered_items) do
if item_has_groups(def.groups, groups) then
return name
end
end
return ":unknown"
end
local function get_craftable_recipes(output)
local recipes = minetest.get_all_craft_recipes(output)
if not recipes then
return nil
end
for i = #recipes, 1, -1 do
for _, item in pairs(recipes[i].items) do
local groups = extract_groups(item)
if groups then
item = groups_to_item(groups)
end
if not minetest.registered_items[item] then
table.remove(recipes, i)
break
end
end
end
return recipes
end
local function show_item(def)
return def.groups.not_in_craft_guide ~= 1 and def.description ~= ""
end
local function cache_usages(recipe)
local added = {}
for _, item in pairs(recipe.items) do
if not added[item] then
local groups = extract_groups(item)
if groups then
for name, def in pairs(minetest.registered_items) do
if not added[name] and show_item(def)
and item_has_groups(def.groups, groups) then
local usage = table.copy(recipe)
table_replace(usage.items, item, name)
usages_cache[name] = usages_cache[name] or {}
table.insert(usages_cache[name], usage)
added[name] = true
end
end
elseif show_item(minetest.registered_items[item]) then
usages_cache[item] = usages_cache[item] or {}
table.insert(usages_cache[item], recipe)
end
added[item] = true
end
end
end
minetest.register_on_mods_loaded(function()
for name, def in pairs(minetest.registered_items) do
if show_item(def) then
local recipes = get_craftable_recipes(name)
if recipes then
recipes_cache[name] = recipes
for _, recipe in ipairs(recipes) do
cache_usages(recipe)
end
end
end
end
for name, def in pairs(minetest.registered_items) do
if recipes_cache[name] or usages_cache[name] then
table.insert(init_items, name)
end
end
table.sort(init_items)
end)
local function coords(i, cols)
return i % cols, math.floor(i / cols)
end
local function is_fuel(item)
return minetest.get_craft_result({method="fuel", items={item}}).time > 0
end
local function item_button_fs(fs, x, y, item, element_name, groups)
table.insert(fs, ("item_image_button[%s,%s;1.05,1.05;%s;%s;%s]")
:format(x, y, item, element_name, groups and "\n"..esc(S("G")) or ""))
local tooltip
if groups then
table.sort(groups)
tooltip = group_names[table.concat(groups, ",")]
if not tooltip then
local groupstr = {}
for _, group in ipairs(groups) do
table.insert(groupstr, minetest.colorize("yellow", group))
end
groupstr = table.concat(groupstr, ", ")
tooltip = S("Any item belonging to the group(s): @1", groupstr)
end
elseif is_fuel(item) then
local itemdef = minetest.registered_items[item:match("%S*")]
local desc = itemdef and itemdef.description or S("Unknown Item")
tooltip = desc.."\n"..minetest.colorize("orange", S("Fuel"))
end
if tooltip then
table.insert(fs, ("tooltip[%s;%s]"):format(element_name, esc(tooltip)))
end
end
local function recipe_fs(fs, data)
local recipe = data.recipes[data.rnum]
local width = recipe.width
local cooktime, shapeless
if recipe.method == "cooking" then
cooktime, width = width, 1
elseif width == 0 then
shapeless = true
if #recipe.items == 1 then
width = 1
elseif #recipe.items <= 4 then
width = 2
else
width = 3
end
end
table.insert(fs, ("label[5.5,1;%s]"):format(esc(data.show_usages
and S("Usage @1 of @2", data.rnum, #data.recipes)
or S("Recipe @1 of @2", data.rnum, #data.recipes))))
if #data.recipes > 1 then
table.insert(fs,
"image_button[5.5,1.6;0.8,0.8;craftguide_prev_icon.png;recipe_prev;]"..
"image_button[6.2,1.6;0.8,0.8;craftguide_next_icon.png;recipe_next;]"..
"tooltip[recipe_prev;"..esc(S("Previous recipe")).."]"..
"tooltip[recipe_next;"..esc(S("Next recipe")).."]")
end
local rows = math.ceil(table.maxn(recipe.items) / width)
if width > 3 or rows > 3 then
table.insert(fs, ("label[0,1;%s]")
:format(esc(S("Recipe is too big to be displayed."))))
return
end
local base_x = 3 - width
local base_y = rows == 1 and 1 or 0
for i, item in pairs(recipe.items) do
local x, y = coords(i - 1, width)
local groups = extract_groups(item)
if groups then
item = groups_to_item(groups)
end
item_button_fs(fs, base_x + x, base_y + y, item, item, groups)
end
if shapeless or recipe.method == "cooking" then
table.insert(fs, ("image[3.2,0.5;0.5,0.5;craftguide_%s.png]")
:format(shapeless and "shapeless" or "furnace"))
local tooltip = shapeless and S("Shapeless") or
S("Cooking time: @1", minetest.colorize("yellow", cooktime))
table.insert(fs, "tooltip[3.2,0.5;0.5,0.5;"..esc(tooltip).."]")
end
table.insert(fs, "image[3,1;1,1;sfinv_crafting_arrow.png]")
item_button_fs(fs, 4, 1, recipe.output, recipe.output:match("%S*"))
end
local function get_formspec(player)
local name = player:get_player_name()
local data = player_data[name]
data.pagemax = math.max(1, math.ceil(#data.items / 32))
local fs = {}
table.insert(fs,
"style_type[item_image_button;padding=2]"..
"field[0.3,4.2;2.8,1.2;filter;;"..esc(data.filter).."]"..
"label[5.8,4.15;"..minetest.colorize("yellow", data.pagenum).." / "..
data.pagemax.."]"..
"image_button[2.63,4.05;0.8,0.8;craftguide_search_icon.png;search;]"..
"image_button[3.25,4.05;0.8,0.8;craftguide_clear_icon.png;clear;]"..
"image_button[5,4.05;0.8,0.8;craftguide_prev_icon.png;prev;]"..
"image_button[7.25,4.05;0.8,0.8;craftguide_next_icon.png;next;]"..
"tooltip[search;"..esc(S("Search")).."]"..
"tooltip[clear;"..esc(S("Reset")).."]"..
"tooltip[prev;"..esc(S("Previous page")).."]"..
"tooltip[next;"..esc(S("Next page")).."]"..
"field_close_on_enter[filter;false]")
if #data.items == 0 then
table.insert(fs, "label[3,2;"..esc(S("No items to show.")).."]")
else
local first_item = (data.pagenum - 1) * 32
for i = first_item, first_item + 31 do
local item = data.items[i + 1]
if not item then
break
end
local x, y = coords(i % 32, 8)
item_button_fs(fs, x, y, item, item)
end
end
table.insert(fs, "container[0,5.6]")
if data.recipes then
recipe_fs(fs, data)
elseif data.prev_item then
table.insert(fs, ("label[2,1;%s]"):format(esc(data.show_usages
and S("No usages.").."\n"..S("Click again to show recipes.")
or S("No recipes.").."\n"..S("Click again to show usages."))))
end
table.insert(fs, "container_end[]")
return table.concat(fs)
end
local function imatch(str, filter)
return str:lower():find(filter, 1, true) ~= nil
end
local function execute_search(data)
local filter = data.filter
if filter == "" then
data.items = init_items
return
end
data.items = {}
for _, item in ipairs(init_items) do
local def = minetest.registered_items[item]
local desc = def and minetest.get_translated_string(data.lang_code, def.description)
if imatch(item, filter) or desc and imatch(desc, filter) then
table.insert(data.items, item)
end
end
end
local function on_receive_fields(player, fields)
local name = player:get_player_name()
local data = player_data[name]
if fields.clear then
data.filter = ""
data.pagenum = 1
data.prev_item = nil
data.recipes = nil
data.items = init_items
return true
elseif fields.key_enter_field == "filter" or fields.search then
local new = fields.filter:lower()
if data.filter == new then
return
end
data.filter = new
data.pagenum = 1
execute_search(data)
return true
elseif fields.prev or fields.next then
if data.pagemax == 1 then
return
end
data.pagenum = data.pagenum + (fields.next and 1 or -1)
if data.pagenum > data.pagemax then
data.pagenum = 1
elseif data.pagenum == 0 then
data.pagenum = data.pagemax
end
return true
elseif fields.recipe_next or fields.recipe_prev then
data.rnum = data.rnum + (fields.recipe_next and 1 or -1)
if data.rnum > #data.recipes then
data.rnum = 1
elseif data.rnum == 0 then
data.rnum = #data.recipes
end
return true
else
local item
for field in pairs(fields) do
if field:find(":") then
item = field
break
end
end
if not item then
return
end
if item == data.prev_item then
data.show_usages = not data.show_usages
else
data.show_usages = nil
end
if data.show_usages then
data.recipes = usages_cache[item]
else
data.recipes = recipes_cache[item]
end
data.prev_item = item
data.rnum = 1
return true
end
end
minetest.register_on_joinplayer(function(player)
local name = player:get_player_name()
local info = minetest.get_player_information(name)
player_data[name] = {
filter = "",
pagenum = 1,
items = init_items,
lang_code = info.lang_code
}
end)
minetest.register_on_leaveplayer(function(player)
local name = player:get_player_name()
player_data[name] = nil
end)
sfinv.register_page("mtg_craftguide:craftguide", {
title = esc(S("Recipes")),
get = function(self, player, context)
return sfinv.make_formspec(player, context, get_formspec(player))
end,
on_player_receive_fields = function(self, player, context, fields)
if on_receive_fields(player, fields) then
sfinv.set_player_inventory_formspec(player)
end
end
})