210 lines
6.4 KiB
Lua
210 lines
6.4 KiB
Lua
-- ZCG mod for minetest
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-- See README for more information
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-- Released by Zeg9 under WTFPL
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zcg = {}
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zcg.users = {}
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zcg.crafts = {}
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zcg.itemlist = {}
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zcg.items_in_group = function(group)
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local items = {}
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local ok = true
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for name, item in pairs(minetest.registered_items) do
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-- the node should be in all groups
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ok = true
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for _, g in ipairs(group:split(',')) do
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if not item.groups[g] then
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ok = false
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end
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end
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if ok then table.insert(items,name) end
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end
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return items
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end
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local table_copy = function(table)
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local out = {}
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for k,v in pairs(table) do
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out[k] = v
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end
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return out
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end
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zcg.add_craft = function(input, output, groups)
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if minetest.get_item_group(output, "not_in_craft_guide") > 0 then
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return
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end
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if not groups then groups = {} end
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local c = {}
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c.width = input.width
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c.type = input.type
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c.items = input.items
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if c.items == nil then return end
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for i, item in pairs(c.items) do
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if item:sub(0,6) == "group:" then
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local groupname = item:sub(7)
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if groups[groupname] ~= nil then
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c.items[i] = groups[groupname]
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else
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for _, gi in ipairs(zcg.items_in_group(groupname)) do
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local g2 = groups
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g2[groupname] = gi
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zcg.add_craft({
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width = c.width,
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type = c.type,
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items = table_copy(c.items)
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}, output, g2) -- it is needed to copy the table, else groups won't work right
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end
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return
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end
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end
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end
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if c.width == 0 then c.width = 3 end
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table.insert(zcg.crafts[output],c)
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end
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zcg.load_crafts = function(name)
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zcg.crafts[name] = {}
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local _recipes = minetest.get_all_craft_recipes(name)
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if _recipes then
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for i, recipe in ipairs(_recipes) do
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if (recipe and recipe.items and recipe.type) then
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zcg.add_craft(recipe, name)
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end
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end
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end
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if zcg.crafts[name] == nil or #zcg.crafts[name] == 0 then
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zcg.crafts[name] = nil
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else
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table.insert(zcg.itemlist,name)
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end
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end
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zcg.need_load_all = true
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zcg.load_all = function()
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minetest.log("action","Loading all crafts, this may take some time...")
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local i = 0
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for name, item in pairs(minetest.registered_items) do
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if (name and name ~= "") then
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zcg.load_crafts(name)
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end
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i = i+1
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end
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table.sort(zcg.itemlist)
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zcg.need_load_all = false
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minetest.log("action","All crafts loaded !")
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end
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zcg.formspec = function(pn)
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if zcg.need_load_all then zcg.load_all() end
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local page = zcg.users[pn].page
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local alt = zcg.users[pn].alt
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local current_item = zcg.users[pn].current_item
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local formspec = "size[8,7.5]"
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.. "button[0,0;2,.5;main;Back]"
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if zcg.users[pn].history.index > 1 then
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formspec = formspec .. "image_button[0,1;1,1;zcg_previous.png;zcg_previous;;false;false;zcg_previous_press.png]"
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else
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formspec = formspec .. "image[0,1;1,1;zcg_previous_inactive.png]"
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end
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if zcg.users[pn].history.index < #zcg.users[pn].history.list then
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formspec = formspec .. "image_button[1,1;1,1;zcg_next.png;zcg_next;;false;false;zcg_next_press.png]"
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else
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formspec = formspec .. "image[1,1;1,1;zcg_next_inactive.png]"
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end
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-- Show craft recipe
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if current_item ~= "" then
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if zcg.crafts[current_item] then
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if alt > #zcg.crafts[current_item] then
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alt = #zcg.crafts[current_item]
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end
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if alt > 1 then
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formspec = formspec .. "button[7,0;1,1;zcg_alt:"..(alt-1)..";^]"
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end
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if alt < #zcg.crafts[current_item] then
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formspec = formspec .. "button[7,2;1,1;zcg_alt:"..(alt+1)..";v]"
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end
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local c = zcg.crafts[current_item][alt]
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if c then
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local x = 3
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local y = 0
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for i, item in pairs(c.items) do
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formspec = formspec .. "item_image_button["..((i-1)%c.width+x)..","..(math.floor((i-1)/c.width+y))..";1,1;"..item..";zcg:"..item..";]"
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end
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if c.type == "normal" or c.type == "cooking" then
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formspec = formspec .. "image[6,2;1,1;zcg_method_"..c.type..".png]"
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else -- we don't have an image for other types of crafting
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formspec = formspec .. "label[0,2;Method: "..c.type.."]"
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end
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formspec = formspec .. "image[6,1;1,1;zcg_craft_arrow.png]"
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formspec = formspec .. "item_image_button[7,1;1,1;"..zcg.users[pn].current_item..";;]"
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end
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end
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end
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-- Node list
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local npp = 8*3 -- nodes per page
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local i = 0 -- for positionning buttons
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local s = 0 -- for skipping pages
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for _, name in ipairs(zcg.itemlist) do
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if s < page*npp then s = s+1 else
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if i >= npp then break end
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formspec = formspec .. "item_image_button["..(i%8)..","..(math.floor(i/8)+3.5)..";1,1;"..name..";zcg:"..name..";]"
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i = i+1
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end
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end
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if page > 0 then
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formspec = formspec .. "button[0,7;1,.5;zcg_page:"..(page-1)..";<<]"
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end
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if i >= npp then
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formspec = formspec .. "button[1,7;1,.5;zcg_page:"..(page+1)..";>>]"
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end
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formspec = formspec .. "label[2,6.85;Page "..(page+1).."/"..(math.floor(#zcg.itemlist/npp+1)).."]" -- The Y is approximatively the good one to have it centered vertically...
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return formspec
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end
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minetest.register_on_joinplayer(function(player)
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inventory_plus.register_button(player,"zcg","Craft guide")
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end)
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minetest.register_on_player_receive_fields(function(player,formname,fields)
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local pn = player:get_player_name();
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if zcg.users[pn] == nil then zcg.users[pn] = {current_item = "", alt = 1, page = 0, history={index=0,list={}}} end
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if fields.zcg then
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inventory_plus.set_inventory_formspec(player, zcg.formspec(pn))
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return
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elseif fields.zcg_previous then
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if zcg.users[pn].history.index > 1 then
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zcg.users[pn].history.index = zcg.users[pn].history.index - 1
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zcg.users[pn].current_item = zcg.users[pn].history.list[zcg.users[pn].history.index]
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inventory_plus.set_inventory_formspec(player,zcg.formspec(pn))
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end
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elseif fields.zcg_next then
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if zcg.users[pn].history.index < #zcg.users[pn].history.list then
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zcg.users[pn].history.index = zcg.users[pn].history.index + 1
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zcg.users[pn].current_item = zcg.users[pn].history.list[zcg.users[pn].history.index]
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inventory_plus.set_inventory_formspec(player,zcg.formspec(pn))
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end
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end
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for k, v in pairs(fields) do
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if (k:sub(0,4)=="zcg:") then
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local ni = k:sub(5)
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if zcg.crafts[ni] then
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zcg.users[pn].current_item = ni
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table.insert(zcg.users[pn].history.list, ni)
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zcg.users[pn].history.index = #zcg.users[pn].history.list
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inventory_plus.set_inventory_formspec(player,zcg.formspec(pn))
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end
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elseif (k:sub(0,9)=="zcg_page:") then
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zcg.users[pn].page = tonumber(k:sub(10))
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inventory_plus.set_inventory_formspec(player,zcg.formspec(pn))
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elseif (k:sub(0,8)=="zcg_alt:") then
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zcg.users[pn].alt = tonumber(k:sub(9))
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inventory_plus.set_inventory_formspec(player,zcg.formspec(pn))
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end
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end
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end)
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