craftguide/init.lua
2019-09-06 13:31:50 +02:00

1355 lines
29 KiB
Lua

craftguide = {}
local pdata = {}
local core = core
-- Caches
local init_items = {}
local searches = {}
local recipes_cache = {}
local usages_cache = {}
local fuel_cache = {}
local progressive_mode = core.settings:get_bool("craftguide_progressive_mode")
local sfinv_only = core.settings:get_bool("craftguide_sfinv_only") and rawget(_G, "sfinv")
local after = core.after
local colorize = core.colorize
local reg_items = core.registered_items
local show_formspec = core.show_formspec
local globalstep = core.register_globalstep
local on_shutdown = core.register_on_shutdown
local get_craft_result = core.get_craft_result
local get_players = core.get_connected_players
local on_joinplayer = core.register_on_joinplayer
local register_command = core.register_chatcommand
local get_all_recipes = core.get_all_craft_recipes
local get_player_by_name = core.get_player_by_name
local on_mods_loaded = core.register_on_mods_loaded
local on_leaveplayer = core.register_on_leaveplayer
local serialize, deserialize = core.serialize, core.deserialize
local on_receive_fields = core.register_on_player_receive_fields
local ESC = core.formspec_escape
local S = core.get_translator("craftguide")
local maxn, sort, concat, copy =
table.maxn, table.sort, table.concat, table.copy
local fmt, find, gmatch, match, sub, split, upper, lower =
string.format, string.find, string.gmatch, string.match,
string.sub, string.split, string.upper, string.lower
local min, max, floor, ceil = math.min, math.max, math.floor, math.ceil
local pairs, next = pairs, next
local vec_add, vec_mul = vector.add, vector.multiply
local ROWS = sfinv_only and 9 or 11
local LINES = 5
local IPP = ROWS * LINES
local GRID_LIMIT = 8
local FMT = {
box = "box[%f,%f;%f,%f;%s]",
label = "label[%f,%f;%s]",
image = "image[%f,%f;%f,%f;%s]",
button = "button[%f,%f;%f,%f;%s;%s]",
tooltip = "tooltip[%f,%f;%f,%f;%s]",
item_image = "item_image[%f,%f;%f,%f;%s]",
image_button = "image_button[%f,%f;%f,%f;%s;%s;%s]",
item_image_button = "item_image_button[%f,%f;%f,%f;%s;%s;%s]",
}
craftguide.group_stereotypes = {
wool = "wool:white",
dye = "dye:white",
water_bucket = "bucket:bucket_water",
vessel = "vessels:glass_bottle",
coal = "default:coal_lump",
flower = "flowers:dandelion_yellow",
mesecon_conductor_craftable = "mesecons:wire_00000000_off",
}
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 __func()
return debug.getinfo(2, "n").name
end
local function is_str(x)
return type(x) == "string"
end
local function is_num(x)
return type(x) == "number"
end
local function is_table(x)
return type(x) == "table"
end
local function is_func(x)
return type(x) == "function"
end
local custom_crafts, craft_types = {}, {}
function craftguide.register_craft_type(name, def)
local func = "craftguide." .. __func() .. "(): "
assert(is_str(name), func .. "'name' field missing")
assert(is_str(def.description), func .. "'description' field missing")
assert(is_str(def.icon), func .. "'icon' field missing")
craft_types[name] = def
end
function craftguide.register_craft(def)
if def.result then
def.output = def.result -- Backward compatibility
end
if not is_str(def.output) then
def.output = ""
end
if not is_table(def.items) then
def.items = {}
end
if not is_num(def.width) then
def.width = 0
end
if def.grid then
if not is_table(def.grid) then
def.grid = {}
end
local cp = copy(def.grid)
sort(cp, function(a, b)
return #a > #b
end)
def.width = #cp[1]
for i = 1, #def.grid do
while #def.grid[i] < def.width do
def.grid[i] = def.grid[i] .. " "
end
end
local c = 1
for symbol in gmatch(concat(def.grid), ".") do
def.items[c] = def.key[symbol]
c = c + 1
end
end
custom_crafts[#custom_crafts + 1] = def
end
local recipe_filters = {}
function craftguide.add_recipe_filter(name, f)
local func = "craftguide." .. __func() .. "(): "
assert(is_str(name), func .. "filter name missing")
assert(is_func(f), func .. "filter function missing")
recipe_filters[name] = f
end
function craftguide.remove_recipe_filter(name)
recipe_filters[name] = nil
end
function craftguide.set_recipe_filter(name, f)
local func = "craftguide." .. __func() .. "(): "
assert(is_str(name), func .. "filter name missing")
assert(is_func(f), func .. "filter function missing")
recipe_filters = {[name] = f}
end
function craftguide.get_recipe_filters()
return recipe_filters
end
local function apply_recipe_filters(recipes, player)
for _, filter in pairs(recipe_filters) do
recipes = filter(recipes, player)
end
return recipes
end
local search_filters = {}
function craftguide.add_search_filter(name, f)
local func = "craftguide." .. __func() .. "(): "
assert(is_str(name), func .. "filter name missing")
assert(is_func(f), func .. "filter function missing")
search_filters[name] = f
end
function craftguide.remove_search_filter(name)
search_filters[name] = nil
end
function craftguide.get_search_filters()
return search_filters
end
local function item_has_groups(item_groups, groups)
for i = 1, #groups do
local group = groups[i]
if (item_groups[group] or 0) == 0 then return end
end
return true
end
local function extract_groups(str)
return split(sub(str, 7), ",")
end
local function item_in_recipe(item, recipe)
for _, recipe_item in pairs(recipe.items) do
if recipe_item == item then
return true
end
end
end
local function groups_item_in_recipe(item, recipe)
local item_groups = reg_items[item].groups
for _, recipe_item in pairs(recipe.items) do
if sub(recipe_item, 1,6) == "group:" then
local groups = extract_groups(recipe_item)
if item_has_groups(item_groups, groups) then
local usage = copy(recipe)
table_replace(usage.items, recipe_item, item)
return usage
end
end
end
end
local function get_usages(item)
local usages, c = {}, 0
for _, recipes in pairs(recipes_cache) do
for i = 1, #recipes do
local recipe = recipes[i]
if item_in_recipe(item, recipe) then
c = c + 1
usages[c] = recipe
else
recipe = groups_item_in_recipe(item, recipe)
if recipe then
c = c + 1
usages[c] = recipe
end
end
end
end
if fuel_cache[item] then
usages[#usages + 1] = {type = "fuel", width = 1, items = {item}}
end
return usages
end
local function get_filtered_items(player, data)
local items, c = {}, 0
local known = 0
for i = 1, #init_items do
local item = init_items[i]
local recipes = recipes_cache[item]
local usages = usages_cache[item]
recipes = #apply_recipe_filters(recipes or {}, player)
usages = #apply_recipe_filters(usages or {}, player)
if recipes > 0 or usages > 0 then
if not data then
c = c + 1
items[c] = item
else
known = known + recipes + usages
end
end
end
if data then
data.known_recipes = known
else
return items
end
end
local function cache_recipes(output)
local recipes = get_all_recipes(output) or {}
for i = 1, #custom_crafts do
local custom_craft = custom_crafts[i]
if match(custom_craft.output, "%S*") == output then
recipes[#recipes + 1] = custom_craft
end
end
if #recipes > 0 then
recipes_cache[output] = recipes
end
end
local function cache_usages(item)
local usages = get_usages(item)
if #usages > 0 then
usages_cache[item] = usages
end
end
local function get_recipes(item, data, player)
local recipes = recipes_cache[item]
local usages = usages_cache[item]
if recipes then
recipes = apply_recipe_filters(recipes, player)
end
local no_recipes = not recipes or #recipes == 0
if no_recipes and not usages then
return
elseif usages and no_recipes then
data.show_usages = true
end
if data.show_usages then
recipes = apply_recipe_filters(usages_cache[item], player)
if recipes and #recipes == 0 then return end
end
return recipes
end
local function get_burntime(item)
return get_craft_result({method = "fuel", width = 1, items = {item}}).time
end
local function cache_fuel(item)
local burntime = get_burntime(item)
if burntime > 0 then
fuel_cache[item] = burntime
return true
end
end
local function groups_to_item(groups)
if #groups == 1 then
local group = groups[1]
local def_gr = "default:" .. group
local stereotypes = craftguide.group_stereotypes
local stereotype = stereotypes and stereotypes[group]
if stereotype then
return stereotype
elseif reg_items[def_gr] then
return def_gr
end
end
for name, def in pairs(reg_items) do
if item_has_groups(def.groups, groups) then
return name
end
end
return ""
end
local function get_tooltip(item, groups, cooktime, burntime)
local tooltip
if groups then
local groupstr, c = {}, 0
for i = 1, #groups do
c = c + 1
groupstr[c] = colorize("yellow", groups[i])
end
groupstr = concat(groupstr, ", ")
tooltip = S("Any item belonging to the group(s): @1", groupstr)
else
local def = reg_items[item]
tooltip = def and def.description or
(def and match(item, ":.*"):gsub("%W%l", upper):sub(2):gsub("_", " ") or
S("Unknown Item (@1)", item))
end
if cooktime then
tooltip = tooltip .. "\n" ..
S("Cooking time: @1", colorize("yellow", cooktime))
end
if burntime then
tooltip = tooltip .. "\n" ..
S("Burning time: @1", colorize("yellow", burntime))
end
return fmt("tooltip[%s;%s]", item, ESC(tooltip))
end
local function get_recipe_fs(data)
local fs = {}
local recipe = data.recipes[data.rnum]
local width = recipe.width
local xoffset = sfinv_only and 3.83 or 4.66
local yoffset = sfinv_only and 6 or 6.6
local cooktime, shapeless
if recipe.type == "cooking" then
cooktime, width = width, 1
elseif width == 0 then
shapeless = true
local n = #recipe.items
width = n <= 4 and 2 or min(3, n)
end
local rows = ceil(maxn(recipe.items) / width)
local rightest, btn_size, s_btn_size = 0, 1.1
local btn_lab = data.show_usages and
ESC(S("Usage @1 of @2", data.rnum, #data.recipes)) or
ESC(S("Recipe @1 of @2", data.rnum, #data.recipes))
fs[#fs + 1] = fmt(FMT.button,
xoffset + (sfinv_only and 1.98 or 2.7),
yoffset + (sfinv_only and 1.9 or 1.2),
2.2,
1,
"alternate",
btn_lab)
if width > GRID_LIMIT or rows > GRID_LIMIT then
fs[#fs + 1] = fmt(FMT.label,
sfinv_only and 2 or 3,
7,
ESC(S("Recipe is too big to be displayed (@1x@2)", width, rows)))
return concat(fs)
end
for i = 1, width * rows do
local item = recipe.items[i] or ""
local X = ceil((i - 1) % width - width) + xoffset
local Y = ceil(i / width) + yoffset - min(2, rows)
if width > 3 or rows > 3 then
local xof = 1 - 4 / width
local yof = 1 - 4 / rows
local x_y = width > rows and xof or yof
btn_size = width > rows and
(3.5 + (xof * 2)) / width or (3.5 + (yof * 2)) / rows
s_btn_size = btn_size
X = (btn_size * ((i - 1) % width) + xoffset -
(sfinv_only and 2.83 or (xoffset - 2))) * (0.83 - (x_y / 5))
Y = (btn_size * floor((i - 1) / width) +
(5 + ((sfinv_only and 0.81 or 1.5) + x_y))) * (0.86 - (x_y / 5))
end
if X > rightest then
rightest = X
end
local groups
if sub(item, 1,6) == "group:" then
groups = extract_groups(item)
item = groups_to_item(groups)
end
local label = groups and "\nG" or ""
fs[#fs + 1] = fmt(FMT.item_image_button,
X,
Y + (sfinv_only and 0.7 or 0),
btn_size,
btn_size,
item,
match(item, "%S*"),
ESC(label))
local burntime = fuel_cache[item]
if groups or cooktime or burntime then
fs[#fs + 1] = get_tooltip(item, groups, cooktime, burntime)
end
end
local custom_recipe = craft_types[recipe.type]
if custom_recipe or shapeless or recipe.type == "cooking" then
local icon = custom_recipe and custom_recipe.icon or
shapeless and "shapeless" or "furnace"
if not custom_recipe then
icon = fmt("craftguide_%s.png^[resize:16x16", icon)
end
local pos_y = yoffset + (sfinv_only and 0.25 or -0.45)
fs[#fs + 1] = fmt(FMT.image,
min(3.9, rightest) + 1.2,
pos_y,
0.5,
0.5,
icon)
local tooltip = custom_recipe and custom_recipe.description or
shapeless and S("Shapeless") or S("Cooking")
fs[#fs + 1] = fmt("tooltip[%f,%f;%f,%f;%s]",
rightest + 1.2,
pos_y,
0.5,
0.5,
ESC(tooltip))
end
local arrow_X = rightest + (s_btn_size or 1.1)
local output_X = arrow_X + 0.9
fs[#fs + 1] = fmt(FMT.image,
arrow_X,
yoffset + (sfinv_only and 0.9 or 0.2),
0.9,
0.7,
"craftguide_arrow.png")
if recipe.type == "fuel" then
fs[#fs + 1] = fmt(FMT.image,
output_X,
yoffset + (sfinv_only and 0.7 or 0),
1.1,
1.1,
"craftguide_fire.png")
else
local output_name = match(recipe.output, "%S+")
local burntime = fuel_cache[output_name]
fs[#fs + 1] = fmt(FMT.item_image_button,
output_X,
yoffset + (sfinv_only and 0.7 or 0),
1.1,
1.1,
recipe.output,
ESC(output_name),
"")
if burntime then
fs[#fs + 1] = get_tooltip(output_name, nil, nil, burntime)
fs[#fs + 1] = fmt(FMT.image,
output_X + 1,
yoffset + (sfinv_only and 0.7 or 0.1),
0.6,
0.4,
"craftguide_arrow.png")
fs[#fs + 1] = fmt(FMT.image,
output_X + 1.6,
yoffset + (sfinv_only and 0.55 or 0),
0.6,
0.6,
"craftguide_fire.png")
end
end
return concat(fs)
end
local function make_formspec(name)
local data = pdata[name]
data.pagemax = max(1, ceil(#data.items / IPP))
local fs = {}
if not sfinv_only then
fs[#fs + 1] = fmt("size[%f,%f;]", 9.5, 8.4)
fs[#fs + 1] = [[
no_prepend[]
background[1,1;1,1;craftguide_bg.png;true]
]]
end
fs[#fs + 1] = fmt("field[0.25,0.2;%f,1;filter;;%s]",
sfinv_only and 2.76 or 2.72,
ESC(data.filter))
fs[#fs + 1] = fmt([[
image_button[%f,-0.05;0.85,0.85;craftguide_search_icon.png;search;]
image_button[%f,-0.05;0.85,0.85;craftguide_clear_icon.png;clear;]
field_close_on_enter[filter;false]
]],
sfinv_only and 2.6 or 2.54,
sfinv_only and 3.3 or 3.25)
fs[#fs + 1] = fmt("label[%f,%f;%s / %u]",
sfinv_only and 6.35 or 7.85,
0.06,
colorize("yellow", data.pagenum),
data.pagemax)
fs[#fs + 1] = fmt([[
image_button[%f,-0.05;0.8,0.8;craftguide_prev_icon.png;prev;]
image_button[%f,-0.05;0.8,0.8;craftguide_next_icon.png;next;]
]],
sfinv_only and 5.45 or 6.83,
sfinv_only and 7.2 or 8.75)
if #data.items == 0 then
local no_item = S("No item to show")
local pos = sfinv_only and 3 or 3.8
if next(recipe_filters) and #init_items > 0 and data.filter == "" then
no_item = S("Collect items to reveal more recipes")
pos = pos - 1
end
fs[#fs + 1] = fmt(FMT.label, pos, 2, ESC(no_item))
end
local first_item = (data.pagenum - 1) * IPP
for i = first_item, first_item + IPP - 1 do
local item = data.items[i + 1]
if not item then break end
local X = i % ROWS
local Y = (i % IPP - X) / ROWS + 1
fs[#fs + 1] = fmt("item_image_button[%f,%f;%f,%f;%s;%s_inv;]",
X - (X * (sfinv_only and 0.12 or 0.14)) - 0.05,
Y - (Y * 0.1) - 0.1,
1,
1,
item,
item)
end
if data.recipes and #data.recipes > 0 then
fs[#fs + 1] = get_recipe_fs(data)
end
return concat(fs)
end
local show_fs = function(player, name)
if sfinv_only then
sfinv.set_player_inventory_formspec(player)
else
show_formspec(name, "craftguide", make_formspec(name))
end
end
craftguide.add_search_filter("groups", function(item, groups)
local itemdef = reg_items[item]
local has_groups = true
for i = 1, #groups do
local group = groups[i]
if not itemdef.groups[group] then
has_groups = nil
break
end
end
return has_groups
end)
local function search(data)
local filter = data.filter
if searches[filter] then
data.items = searches[filter]
return
end
local opt = "^(.-)%+([%w_]+)=([%w_,]+)"
local search_filter = next(search_filters) and match(filter, opt)
local filters = {}
if search_filter then
for filter_name, values in gmatch(filter, sub(opt, 6)) do
if search_filters[filter_name] then
values = split(values, ",")
filters[filter_name] = values
end
end
end
local filtered_list, c = {}, 0
for i = 1, #data.items_raw do
local item = data.items_raw[i]
local def = reg_items[item]
local desc = (def and def.description) and lower(def.description) or ""
local search_in = item .. " " .. desc
local to_add
if search_filter then
for filter_name, values in pairs(filters) do
local func = search_filters[filter_name]
to_add = func(item, values) and (search_filter == "" or
find(search_in, search_filter, 1, true))
end
else
to_add = find(search_in, filter, 1, true)
end
if to_add then
c = c + 1
filtered_list[c] = item
end
end
if not next(recipe_filters) then
-- Cache the results only if searched 2 times
if searches[filter] == nil then
searches[filter] = false
else
searches[filter] = filtered_list
end
end
data.items = filtered_list
end
local function init_data(name)
pdata[name] = {
filter = "",
pagenum = 1,
items = init_items,
items_raw = init_items,
}
end
local function reset_data(data)
data.filter = ""
data.pagenum = 1
data.rnum = 1
data.query_item = nil
data.show_usages = nil
data.recipes = nil
data.items = data.items_raw
end
local function check_item(def)
return not (def.groups.not_in_craft_guide == 1 or
def.groups.not_in_creative_inventory == 1) and
def.description and def.description ~= ""
end
local function get_init_items()
local items, c = {}, 0
for name, def in pairs(reg_items) do
if check_item(def) then
cache_fuel(name)
cache_recipes(name)
c = c + 1
items[c] = name
end
end
c = 0
for i = 1, #items do
local name = items[i]
cache_usages(name)
if recipes_cache[name] or usages_cache[name] then
c = c + 1
init_items[c] = name
end
end
sort(init_items)
end
local function _fields(player, fields)
local name = player:get_player_name()
local data = pdata[name]
local _f = fields
if _f.clear then
reset_data(data)
show_fs(player, name)
return true
elseif _f.alternate then
if #data.recipes == 1 then return end
local num_next = data.rnum + 1
data.rnum = data.recipes[num_next] and num_next or 1
show_fs(player, name)
return true
elseif (_f.key_enter_field == "filter" or _f.search) and _f.filter ~= "" then
local fltr = lower(_f.filter)
if data.filter == fltr then return end
data.filter = fltr
data.pagenum = 1
search(data)
show_fs(player, name)
return true
elseif _f.prev or _f.next then
if data.pagemax == 1 then return end
data.pagenum = data.pagenum - (_f.prev and 1 or -1)
if data.pagenum > data.pagemax then
data.pagenum = 1
elseif data.pagenum == 0 then
data.pagenum = data.pagemax
end
show_fs(player, name)
return true
else
local item
for field in pairs(_f) do
if find(field, ":") then
item = field
break
end
end
if not item then
return
elseif sub(item, -4) == "_inv" then
item = sub(item, 1,-5)
end
if item ~= data.query_item then
data.show_usages = nil
else
data.show_usages = not data.show_usages
end
local recipes = get_recipes(item, data, player)
if not recipes then return end
data.query_item = item
data.recipes = recipes
data.rnum = 1
show_fs(player, name)
return true
end
end
on_mods_loaded(get_init_items)
on_joinplayer(function(player)
local name = player:get_player_name()
init_data(name)
end)
if sfinv_only then
sfinv.register_page("craftguide:craftguide", {
title = S("Craft Guide"),
get = function(self, player, context)
local name = player:get_player_name()
local formspec = make_formspec(name)
return sfinv.make_formspec(player, context, formspec)
end,
on_enter = function(self, player, context)
if next(recipe_filters) then
local name = player:get_player_name()
local data = pdata[name]
data.items_raw = get_filtered_items(player)
search(data)
end
end,
on_player_receive_fields = function(self, player, context, fields)
_fields(player, fields)
end,
})
else
on_receive_fields(function(player, formname, fields)
if formname == "craftguide" then
_fields(player, fields)
end
end)
local function on_use(user)
local name = user:get_player_name()
if next(recipe_filters) then
local data = pdata[name]
data.items_raw = get_filtered_items(user)
search(data)
end
show_formspec(name, "craftguide", make_formspec(name))
end
core.register_craftitem("craftguide:book", {
description = S("Crafting Guide"),
inventory_image = "craftguide_book.png",
wield_image = "craftguide_book.png",
stack_max = 1,
groups = {book = 1},
on_use = function(itemstack, user)
on_use(user)
end
})
core.register_node("craftguide:sign", {
description = S("Crafting Guide Sign"),
drawtype = "nodebox",
tiles = {"craftguide_sign.png"},
inventory_image = "craftguide_sign_inv.png",
wield_image = "craftguide_sign_inv.png",
paramtype = "light",
paramtype2 = "wallmounted",
sunlight_propagates = true,
groups = {oddly_breakable_by_hand = 1, flammable = 3},
node_box = {
type = "wallmounted",
wall_top = {-0.4375, 0.4375, -0.3125, 0.4375, 0.5, 0.3125},
wall_bottom = {-0.4375, -0.5, -0.3125, 0.4375, -0.4375, 0.3125},
wall_side = {-0.5, -0.3125, -0.4375, -0.4375, 0.3125, 0.4375}
},
on_construct = function(pos)
local meta = core.get_meta(pos)
meta:set_string("infotext", "Crafting Guide Sign")
end,
on_rightclick = function(pos, node, user, itemstack)
on_use(user)
end
})
core.register_craft({
output = "craftguide:book",
recipe = {
{"default:book"}
}
})
core.register_craft({
type = "fuel",
recipe = "craftguide:book",
burntime = 3
})
core.register_craft({
output = "craftguide:sign",
recipe = {
{"default:sign_wall_wood"}
}
})
core.register_craft({
type = "fuel",
recipe = "craftguide:sign",
burntime = 10
})
if rawget(_G, "sfinv_buttons") then
sfinv_buttons.register_button("craftguide", {
title = S("Crafting Guide"),
tooltip = S("Shows a list of available crafting recipes, cooking recipes and fuels"),
image = "craftguide_book.png",
action = function(player)
on_use(player)
end,
})
end
end
if progressive_mode then
local PLAYERS = {}
local POLL_FREQ = 0.25
local function item_in_inv(item, inv_items)
local inv_items_size = #inv_items
if sub(item, 1,6) == "group:" then
local groups = extract_groups(item)
for i = 1, inv_items_size do
local inv_item = reg_items[inv_items[i]]
if inv_item then
local item_groups = inv_item.groups
if item_has_groups(item_groups, groups) then
return true
end
end
end
else
for i = 1, inv_items_size do
if inv_items[i] == item then
return true
end
end
end
end
local function recipe_in_inv(recipe, inv_items)
for _, item in pairs(recipe.items) do
if not item_in_inv(item, inv_items) then return end
end
return true
end
local function progressive_filter(recipes, player)
if not recipes then
return {}
end
local name = player:get_player_name()
local data = pdata[name]
if #data.inv_items == 0 then
return {}
end
local filtered, c = {}, 0
for i = 1, #recipes do
local recipe = recipes[i]
if recipe_in_inv(recipe, data.inv_items) then
c = c + 1
filtered[c] = recipe
end
end
return filtered
end
local item_lists = {
"main",
"craft",
"craftpreview",
}
local function table_merge(t, t2)
t, t2 = t or {}, t2 or {}
local c = #t
for i = 1, #t2 do
c = c + 1
t[c] = t2[i]
end
return t
end
local function table_diff(t, t2)
local hash = {}
for i = 1, #t do
local v = t[i]
hash[v] = true
end
for i = 1, #t2 do
local v = t2[i]
hash[v] = nil
end
local diff, c = {}, 0
for i = 1, #t do
local v = t[i]
if hash[v] then
c = c + 1
diff[c] = v
end
end
return diff
end
local function get_inv_items(player)
local inv = player:get_inventory()
local stacks = {}
for i = 1, #item_lists do
local list = inv:get_list(item_lists[i])
table_merge(stacks, list)
end
local inv_items, c = {}, 0
for i = 1, #stacks do
local stack = stacks[i]
if not stack:is_empty() then
local name = stack:get_name()
if reg_items[name] then
c = c + 1
inv_items[c] = name
end
end
end
return inv_items
end
local function show_hud_success(player, data, dtime)
local hud_info_bg = player:hud_get(data.hud.bg)
if hud_info_bg.position.y <= 0.9 then
data.show_hud = false
data.hud_timer = (data.hud_timer or 0) + dtime
end
if data.show_hud then
for _, def in pairs(data.hud) do
local hud_info = player:hud_get(def)
player:hud_change(def, "position", {
x = hud_info.position.x,
y = hud_info.position.y - (dtime / 5)
})
end
player:hud_change(data.hud.text, "text",
S("@1 new recipe(s) discovered!", data.discovered))
elseif data.show_hud == false then
if data.hud_timer > 3 then
for _, def in pairs(data.hud) do
local hud_info = player:hud_get(def)
player:hud_change(def, "position", {
x = hud_info.position.x,
y = hud_info.position.y + (dtime / 5)
})
end
if hud_info_bg.position.y >= 1 then
data.show_hud = nil
data.hud_timer = nil
end
end
end
end
-- Workaround. Need an engine call to detect when the contents
-- of the player inventory changed, instead
local function poll_new_items()
for i = 1, #PLAYERS do
local player = PLAYERS[i]
local name = player:get_player_name()
local data = pdata[name]
local inv_items = get_inv_items(player)
local diff = table_diff(inv_items, data.inv_items)
if #diff > 0 then
data.inv_items = table_merge(diff, data.inv_items)
local oldknown = data.known_recipes or 0
get_filtered_items(player, data)
data.discovered = data.known_recipes - oldknown
if data.show_hud == nil and data.discovered > 0 then
data.show_hud = true
end
end
end
after(POLL_FREQ, poll_new_items)
end
poll_new_items()
globalstep(function(dtime)
for i = 1, #PLAYERS do
local player = PLAYERS[i]
local name = player:get_player_name()
local data = pdata[name]
if data.show_hud ~= nil then
show_hud_success(player, data, dtime)
end
end
end)
craftguide.add_recipe_filter("Default progressive filter", progressive_filter)
on_joinplayer(function(player)
PLAYERS = get_players()
local meta = player:get_meta()
local name = player:get_player_name()
local data = pdata[name]
data.inv_items = deserialize(meta:get_string("inv_items")) or {}
data.known_recipes = deserialize(meta:get_string("known_recipes")) or 0
data.hud = {
bg = player:hud_add({
hud_elem_type = "image",
position = {x = 0.78, y = 1},
alignment = {x = 1, y = 1},
scale = {x = 370, y = 112},
text = "craftguide_bg.png",
}),
book = player:hud_add({
hud_elem_type = "image",
position = {x = 0.79, y = 1.02},
alignment = {x = 1, y = 1},
scale = {x = 4, y = 4},
text = "craftguide_book.png",
}),
text = player:hud_add({
hud_elem_type = "text",
position = {x = 0.84, y = 1.04},
alignment = {x = 1, y = 1},
number = 0xFFFFFF,
text = "",
}),
}
end)
local to_save = {
"inv_items",
"known_recipes",
}
local function save_meta(player)
local meta = player:get_meta()
local name = player:get_player_name()
local data = pdata[name]
for i = 1, #to_save do
local meta_name = to_save[i]
meta:set_string(meta_name, serialize(data[meta_name]))
end
end
on_leaveplayer(function(player)
PLAYERS = get_players()
save_meta(player)
end)
on_shutdown(function()
for i = 1, #PLAYERS do
local player = PLAYERS[i]
save_meta(player)
end
end)
end
on_leaveplayer(function(player)
local name = player:get_player_name()
pdata[name] = nil
end)
register_command("craft", {
description = S("Show recipe(s) of the pointed node"),
func = function(name)
local player = get_player_by_name(name)
local dir = player:get_look_dir()
local ppos = player:get_pos()
ppos.y = ppos.y + 1.625
local node_name
for i = 1, 10 do
local look_at = vec_add(ppos, vec_mul(dir, i))
local node = core.get_node(look_at)
if node.name ~= "air" then
node_name = node.name
break
end
end
local red = colorize("red", "[craftguide] ")
if not node_name then
return false, red .. S("No node pointed")
end
local data = pdata[name]
reset_data(data)
local recipes = recipes_cache[node_name]
local usages = usages_cache[node_name]
if recipes then
recipes = apply_recipe_filters(recipes, player)
end
if not recipes or #recipes == 0 then
local ylw = colorize("yellow", node_name)
local msg = red .. "%s: " .. ylw
if usages then
recipes = usages_cache[node_name]
if #recipes > 0 then
data.show_usages = true
end
elseif recipes_cache[node_name] then
return false, fmt(msg, S("You don't know a recipe for this node"))
else
return false, fmt(msg, S("No recipe for this node"))
end
end
data.query_item = node_name
data.recipes = recipes
return true, show_fs(player, name)
end,
})
function craftguide.show(name, item, show_usages)
local func = "craftguide." .. __func() .. "(): "
assert(is_str(name), func .. "player name missing")
local data = pdata[name]
local player = get_player_by_name(name)
local query_item = data.query_item
reset_data(data)
item = reg_items[item] and item or query_item
data.query_item = item
data.show_usages = show_usages
data.recipes = get_recipes(item, data, player)
show_fs(player, name)
end