Done! export & craft recipes

init.lua

@@ -58,7 +58,9 @@ local sprintf, find, gmatch, match, sub, split, upper, lower =
 	string.sub, string.split, string.upper, string.lower
 
 local min, max, floor, ceil, abs = math.min, math.max, math.floor, math.ceil, math.abs
-local pairs, ipairs, next, type, setmetatable = pairs, ipairs, next, type, setmetatable
+local pairs, ipairs, next, type, setmetatable, tonum =
+	pairs, ipairs, next, type, setmetatable, tonumber
+
 local vec_add, vec_mul = vector.add, vector.multiply
 
 local ROWS, _ROWS = 9
@@ -66,6 +68,7 @@ local LINES = 10
 local IPP = ROWS * LINES
 local MAX_FAVS = 6
 local ITEM_BTN_SIZE = 1.1
+local SPACING = 0
 
 -- Progressive mode
 local POLL_FREQ = 0.25
@@ -106,6 +109,7 @@ local fs_elements = {
 	model = "model[%f,%f;%f,%f;%s;%s;%s;0,0;true]",
 	image_button = "image_button[%f,%f;%f,%f;%s;%s;%s]",
 	animated_image = "animated_image[%f,%f;%f,%f;;%s;%u;%u]",
+	scrollbar = "scrollbar[%f,%f;%f,%f;horizontal;%s;%u]",
 	item_image_button = "item_image_button[%f,%f;%f,%f;%s;%s;%s]",
 	arrow = "image_button[%f,%f;0.7,0.7;%s;%s;;;false;%s]",
 }
@@ -113,7 +117,6 @@ local fs_elements = {
 local styles = sprintf([[
 	style_type[label,field;font_size=+0]
 	style_type[image_button;border=false;sound=craftguide_click]
-	style_type[button;border=false;font=bold;font_size=+2;content_offset=0]
 	style_type[item_image_button;border=false;bgimg_hovered=%s;bgimg_pressed=%s;sound=craftguide_click]
 
 	style[filter;border=false]
@@ -125,6 +128,9 @@ local styles = sprintf([[
 	style[next_recipe;fgimg=%s;fgimg_hovered=%s;fgimg_pressed=%s]
 	style[prev_usage;fgimg=%s;fgimg_hovered=%s;fgimg_pressed=%s]
 	style[next_usage;fgimg=%s;fgimg_hovered=%s;fgimg_pressed=%s]
+	style[pagenum,no_item,no_rcp;border=false;font=bold;font_size=+2;content_offset=0]
+	style[craft_rcp,craft_usg;border=false;noclip=true;font_size=+0;sound=craftguide_click;bgimg=craftguide_btn9.png;
+	      bgimg_hovered=craftguide_btn9_hovered.png;bgimg_pressed=craftguide_btn9_pressed.png;bgimg_middle=4,6]
 ]],
 PNG.selected, PNG.selected,
 PNG.search, PNG.search_hover,
@@ -791,6 +797,142 @@ local function groups_to_items(groups, get_all)
 	return get_all and names or ""
 end
 
+local function get_stack_max(data, is_recipe, rcp)
+	local inv = data.player:get_inventory()
+	local list = inv:get_list("main")
+	local size = inv:get_size("main")
+	local counts_inv, counts_rcp, counts = {}, {}, {}
+	local rcp_usg = is_recipe and "recipe" or "usage"
+
+	for _, it in pairs(rcp.items) do
+		counts_rcp[it] = (counts_rcp[it] or 0) + 1
+	end
+
+	data.export_counts[rcp_usg] = {}
+	data.export_counts[rcp_usg].rcp = counts_rcp
+
+	for i = 1, size do
+		local stack = list[i]
+
+		if not stack:is_empty() then
+			local item = stack:get_name()
+			local count = stack:get_count()
+
+			for name in pairs(counts_rcp) do
+				if is_group(name) then
+					local def = reg_items[item]
+					local groups = extract_groups(name)
+
+					if item_has_groups(def.groups, groups) then
+						counts_inv[name] = (counts_inv[name] or 0) + count
+					end
+				end
+			end
+
+			counts_inv[item] = (counts_inv[item] or 0) + count
+		end
+	end
+
+	data.export_counts[rcp_usg].inv = counts_inv
+
+	for name in pairs(counts_rcp) do
+		counts[name] = floor((counts_inv[name] or 0) / (counts_rcp[name] or 0))
+	end
+
+	local max_stacks = math.huge
+
+	for _, count in pairs(counts) do
+		if count < max_stacks then
+			max_stacks = count
+		end
+	end
+
+	return max_stacks
+end
+
+local function craft_stack(player, pname, data, _f)
+	local inv = player:get_inventory()
+	local rcp_usg = _f.craft_rcp and "recipe" or "usage"
+	local output = _f.craft_rcp and
+		data.recipes[data.rnum].output or data.usages[data.unum].output
+	output = ItemStack(output)
+	local stackname, stackcount = output:get_name(), output:get_count()
+	local scrbar_val = data[sprintf("scrbar_%s", _f.craft_rcp and "rcp" or "usg")]
+
+	for name, count in pairs(data.export_counts[rcp_usg].rcp) do
+		if is_group(name) then
+			local groups = extract_groups(name)
+			local items = groups_to_items(groups, true)
+
+			for _, item in ipairs(items) do
+			for _name, _count in pairs(data.export_counts[rcp_usg].inv) do
+				if item == _name and _count >= count then
+					name = _name
+					break
+				end
+			end
+			end
+		end
+
+		inv:remove_item("main", sprintf("%s %s", name, count * scrbar_val))
+	end
+
+	local count = stackcount * scrbar_val
+	local stack = ItemStack(sprintf("%s %s", stackname, count))
+	local message = clr("#ff0", sprintf("%s x %s", count, stackname))
+
+	if inv:room_for_item("main", stack) then
+		inv:add_item("main", stack)
+		msg(pname, sprintf("%s added to your inventory!", message))
+	else
+		local dir    = player:get_look_dir()
+		local ppos   = player:get_pos()
+		      ppos.y = ppos.y + 1.625
+		local look_at = vec_add(ppos, vec_mul(dir, 1))
+
+		core.add_item(look_at, stack)
+		msg(pname, sprintf("%s crafted!", message))
+	end
+end
+
+local function show_recipes(player, data, _f)
+	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)
+	elseif sub(item, 1, 1) == "_" then
+		item = sub(item, 2)
+	elseif sub(item, 1, 6) == "group|" then
+		item = match(item, "([%w:_]+)$")
+	end
+
+	item = reg_aliases[item] or item
+
+	if item == data.query_item then return end
+
+	local recipes, usages = get_recipes(item, data, player)
+	if not recipes and not usages      then return end
+	if data.show_usages and not usages then return end
+
+	data.query_item = item
+	data.recipes    = recipes
+	data.usages     = usages
+	data.rnum       = 1
+	data.unum       = 1
+	data.scrbar_rcp = 1
+	data.scrbar_usg = 1
+	data.export_rcp = nil
+	data.export_usg = nil
+end
+
 local function repairable(tool)
 	local def = reg_tools[tool]
 	return toolrepair and def and def.groups and def.groups.disable_repair ~= 1
@@ -927,7 +1069,7 @@ local function get_tooltip(item, info)
 	return sprintf("tooltip[%s;%s]", item, ESC(tooltip))
 end
 
-local function get_output_fs(fs, rcp, shapeless, right, btn_size, _btn_size, spacing)
+local function get_output_fs(fs, rcp, shapeless, right, btn_size, _btn_size)
 	local custom_recipe = craft_types[rcp.type]
 
 	if custom_recipe or shapeless or rcp.type == "cooking" then
@@ -939,7 +1081,7 @@ local function get_output_fs(fs, rcp, shapeless, right, btn_size, _btn_size, spa
 		end
 
 		local pos_x = right + btn_size + 0.42
-		local pos_y = spacing + 0.9
+		local pos_y = SPACING + 0.9
 
 		if sub(icon, 1, 18) == "craftguide_furnace" then
 			fs(fmt("animated_image", pos_x, pos_y, 0.5, 0.5, PNG.furnace_anim, 8, 180))
@@ -955,7 +1097,7 @@ local function get_output_fs(fs, rcp, shapeless, right, btn_size, _btn_size, spa
 
 	local arrow_X = right + 0.2 + (_btn_size or ITEM_BTN_SIZE)
 	local X = arrow_X + 1.2
-	local Y = spacing + 1.4
+	local Y = SPACING + 1.4
 
 	fs(fmt("image", arrow_X, Y + 0.06, 1, 1, PNG.arrow))
 
@@ -994,7 +1136,7 @@ local function get_output_fs(fs, rcp, shapeless, right, btn_size, _btn_size, spa
 	end
 end
 
-local function get_grid_fs(fs, rcp, spacing)
+local function get_grid_fs(fs, rcp)
 	local width = rcp.width or 1
 	local right, btn_size, _btn_size = 0, ITEM_BTN_SIZE
 	local cooktime, shapeless
@@ -1023,7 +1165,7 @@ local function get_grid_fs(fs, rcp, spacing)
 		X = X + (X * 0.2) + _ROWS + 3.9
 
 		local Y = ceil(i / width) - min(2, rows)
-		Y = Y + (Y * 0.15)  + spacing + 1.4
+		Y = Y + (Y * 0.15)  + SPACING + 1.4
 
 		if large_recipe then
 			btn_size = (3 / width) * (3 / rows) + 0.3
@@ -1033,7 +1175,7 @@ local function get_grid_fs(fs, rcp, spacing)
 			local yi = floor((i - 1) / width)
 
 			X = btn_size * xi + _ROWS + 0.3 + (xi * 0.05)
-			Y = btn_size * yi + spacing + 0.2 + (yi * 0.05)
+			Y = btn_size * yi + SPACING + 0.2 + (yi * 0.05)
 		end
 
 		if X > right then
@@ -1104,10 +1246,10 @@ local function get_grid_fs(fs, rcp, spacing)
 		fs("style_type[item_image_button;border=false]")
 	end
 
-	get_output_fs(fs, rcp, shapeless, right, btn_size, _btn_size, spacing)
+	get_output_fs(fs, rcp, shapeless, right, btn_size, _btn_size)
 end
 
-local function get_rcp_lbl(fs, data, panel, spacing, rn, is_recipe)
+local function get_rcp_lbl(fs, data, panel, rn, is_recipe)
 	local lbl = ES("Usage @1 of @2", data.unum, rn)
 
 	if is_recipe then
@@ -1118,27 +1260,69 @@ local function get_rcp_lbl(fs, data, panel, spacing, rn, is_recipe)
 	local lbl_len = #_lbl:gsub("[\128-\191]", "") -- Count chars, not bytes in UTF-8 strings
 	local shift = min(0.9, abs(12 - max(12, lbl_len)) * 0.15)
 
-	fs(fmt("label", _ROWS + 5.65 - shift, spacing + 3.37, lbl))
+	fs(fmt("label", _ROWS + 5.65 - shift, SPACING + 3.37, lbl))
 
 	if rn > 1 then
 		local btn_suffix = is_recipe and "recipe" or "usage"
 		local prev_name = sprintf("prev_%s", btn_suffix)
 		local next_name = sprintf("next_%s", btn_suffix)
 		local x_arrow = _ROWS + 4.9
-		local y_arrow = spacing + 3
+		local y_arrow = SPACING + 3
 
 		fs(fmt("arrow", x_arrow - shift, y_arrow, PNG.prev, prev_name, ""),
 		   fmt("arrow", x_arrow + 2.3,   y_arrow, PNG.next, next_name, ""))
 	end
 
 	local rcp = is_recipe and panel.rcp[data.rnum] or panel.rcp[data.unum]
-	get_grid_fs(fs, rcp, spacing)
+	get_grid_fs(fs, rcp)
 end
 
-local function get_title_fs(query_item, favs, lang_code, fs, spacing)
+local function get_model_fs(fs, def, model_alias)
+	if model_alias then
+		if model_alias.drawtype == "entity" then
+			def = reg_entities[model_alias.name]
+			local init_props = def.initial_properties
+			def.textures = init_props and init_props.textures or def.textures
+			def.mesh = init_props and init_props.mesh or def.mesh
+		else
+			def = reg_items[model_alias.name]
+		end
+	end
+
+	local tiles = def.tiles or def.textures or {}
+	local t = {}
+
+	for _, v in ipairs(tiles) do
+		local _name
+
+		if v.color then
+			local hex = sprintf("%02x", v.color)
+
+			while #hex < 8 do
+				hex = "0" .. hex
+			end
+
+			_name = sprintf("%s^[multiply:%s", v.name,
+				sprintf("#%s%s", sub(hex, 3), sub(hex, 1, 2)))
+
+		elseif v.animation then
+			_name = sprintf("%s^[verticalframe:%u:0", v.name, v.animation.aspect_h)
+		end
+
+		t[#t + 1] = _name or v.name or v
+	end
+
+	while #t < 6 do
+		t[#t + 1] = t[#t]
+	end
+
+	fs(fmt("model", _ROWS + 6.6, SPACING + 0.05, 1.3, 1.3, "", def.mesh, concat(t, ",")))
+end
+
+local function get_title_fs(fs, query_item, favs, lang_code)
 	local fav = is_fav(favs, query_item)
 	local nfavs = #favs
-	local star_x, star_y, star_size = _ROWS + 0.4, spacing + 0.5, 0.4
+	local star_x, star_y, star_size = _ROWS + 0.4, SPACING + 0.5, 0.4
 
 	if nfavs < MAX_FAVS or (nfavs == MAX_FAVS and fav) then
 		local fav_marked = sprintf("craftguide_fav%s.png", fav and "_off" or "")
@@ -1156,62 +1340,97 @@ local function get_title_fs(query_item, favs, lang_code, fs, spacing)
 	end
 
 	fs("style_type[label;font=bold;font_size=+6]",
-	   fmt("label", _ROWS + 1.05, spacing + 0.47, snip(ESC(get_desc(query_item, lang_code)), 32)),
+	   fmt("label", _ROWS + 1.05, SPACING + 0.47, snip(ESC(get_desc(query_item, lang_code)), 32)),
 	   "style_type[label;font=mono;font_size=+0]",
-	   fmt("label", _ROWS + 1.05, spacing + 0.97, clr("#7bf", snip(query_item, 34))),
+	   fmt("label", _ROWS + 1.05, SPACING + 0.97, clr("#7bf", snip(query_item, 34))),
 	   "style_type[label;font=normal]")
 
 	local def = reg_items[query_item]
 	local model_alias = craftguide.model_alias[query_item]
 
 	if def.drawtype == "mesh" or model_alias then
-		if model_alias then
-			if model_alias.drawtype == "entity" then
-				def = reg_entities[model_alias.name]
-				local init_props = def.initial_properties
-				def.textures = init_props and init_props.textures or def.textures
-				def.mesh = init_props and init_props.mesh or def.mesh
-			else
-				def = reg_items[model_alias.name]
-			end
-		end
-
-		local tiles = def.tiles or def.textures or {}
-		local t = {}
-
-		for _, v in ipairs(tiles) do
-			local _name
-
-			if v.color then
-				local hex = sprintf("%02x", v.color)
-
-				while #hex < 8 do
-					hex = "0" .. hex
-				end
-
-				_name = sprintf("%s^[multiply:%s", v.name,
-					sprintf("#%s%s", sub(hex, 3), sub(hex, 1, 2)))
-
-			elseif v.animation then
-				_name = sprintf("%s^[verticalframe:%u:0", v.name,
-						v.animation.aspect_h)
-			end
-
-			t[#t + 1] = _name or v.name or v
-		end
-
-		while #t < 6 do
-			t[#t + 1] = t[#t]
-		end
-
-		--fs("style_type[model;bgcolor=black]")
-		fs(fmt("model", _ROWS + 6.6, spacing + 0.05, 1.3, 1.3, "", def.mesh, concat(t, ",")))
+		get_model_fs(fs, def, model_alias)
 	else
-		fs(fmt("item_image", _ROWS + 6.8, spacing + 0.17, 1.1, 1.1, query_item))
+		fs(fmt("item_image", _ROWS + 6.8, SPACING + 0.17, 1.1, 1.1, query_item))
 	end
 end
 
-local function get_panels(data, fs)
+local function get_export_fs(fs, data, panel, is_recipe, is_usage, max_stacks_rcp, max_stacks_usg)
+	local name = is_recipe and "rcp" or "usg"
+	local show_export = (is_recipe and data.export_rcp) or (is_usage and data.export_usg)
+
+	fs(sprintf("style[export_%s;fgimg=%s;fgimg_hovered=%s;fgimg_pressed=%s]",
+		name, sprintf("craftguide_export%s.png", show_export and "" or "_off"),
+		"craftguide_export.png", "craftguide_export.png"),
+	   fmt("image_button",
+		_ROWS + 7.35, SPACING + 0.2, 0.45, 0.45, "", sprintf("export_%s", name), ""),
+	   sprintf("tooltip[export_%s;%s]", name, ES"Craft this item"))
+
+	if not show_export then return end
+
+	local item = (is_recipe and panel.rcp[data.rnum].output) or
+		     (is_usage and panel.rcp[data.unum].output)
+	item = clean_name(item)
+	local _name = match(item, "%S*")
+	local stack = ItemStack(_name)
+	local stack_max = stack:get_stack_max()
+	local stack_fs = (is_recipe and data.scrbar_rcp) or (is_usage and data.scrbar_usg) or 1
+
+	fs(sprintf("style[scrbar_%s;noclip=true]", name),
+	   sprintf("scrollbaroptions[min=1;max=%u;smallstep=1]",
+		min((is_recipe and max_stacks_rcp or max_stacks_usg), stack_max)),
+	   fmt("scrollbar", _ROWS + 8.1, SPACING, 3, 0.35, sprintf("scrbar_%s", name), stack_fs),
+	   fmt("button", _ROWS + 8.1, SPACING + 0.4, 3, 0.7, sprintf("craft_%s", name),
+		sprintf("%s", stack_fs == 1 and ES"Craft stack" or
+			sprintf(ES"Craft %u stacks", stack_fs))))
+end
+
+local function get_rcp_extra(fs, data, panel, is_recipe, is_usage)
+	local rn = panel.rcp and #panel.rcp
+
+	if rn then
+		local rcp_normal = is_recipe and panel.rcp[data.rnum].type == "normal"
+		local usg_normal = is_usage and panel.rcp[data.unum].type == "normal"
+		local max_stacks_rcp, max_stacks_usg = 0, 0
+
+		if rcp_normal then
+			max_stacks_rcp = get_stack_max(data, is_recipe, panel.rcp[data.rnum])
+		end
+
+		if usg_normal then
+			max_stacks_usg = get_stack_max(data, is_recipe, panel.rcp[data.unum])
+		end
+
+		if max_stacks_rcp > 0 or max_stacks_usg > 0 then
+			get_export_fs(fs, data, panel, is_recipe, is_usage, max_stacks_rcp,
+				      max_stacks_usg)
+		end
+
+		get_rcp_lbl(fs, data, panel, rn, is_recipe)
+	else
+		local lbl = is_recipe and ES"No recipes" or ES"No usages"
+		fs(fmt("button",
+			_ROWS + 0.1, SPACING + (panel.height / 2) - 0.5, 7.8, 1, "no_rcp", lbl))
+	end
+end
+
+local function get_favs(fs, data)
+	fs(fmt("label", _ROWS + 0.4, SPACING + 0.4, ES"Bookmarks"))
+
+	for i = 1, #data.favs do
+		local item = data.favs[i]
+		local X = _ROWS - 0.7 + (i * 1.2)
+		local Y = SPACING + 0.8
+
+		if data.query_item == item then
+			fs(fmt("image", X, Y, ITEM_BTN_SIZE, ITEM_BTN_SIZE, PNG.selected))
+		end
+
+		fs(fmt("item_image_button", X, Y, ITEM_BTN_SIZE, ITEM_BTN_SIZE, item, item, ""))
+	end
+end
+
+local function get_panels(fs, data)
 	local _title   = {name = "title", height = 1.4}
 	local _favs    = {name = "favs",  height = 2.2}
 	local _recipes = {name = "recipes", rcp = data.recipes, height = 3.9}
@@ -1219,48 +1438,25 @@ local function get_panels(data, fs)
 	local panels   = {_title, _recipes, _usages, _favs}
 
 	for idx = 1, #panels do
-		local panel, spacing = panels[idx], 0
+		local panel = panels[idx]
+		SPACING = 0
 
 		if idx > 1 then
 			for _idx = idx - 1, 1, -1 do
-				spacing = spacing + panels[_idx].height + 0.1
+				SPACING = SPACING + panels[_idx].height + 0.1
 			end
 		end
 
-		local rn = panel.rcp and #panel.rcp
-		local is_recipe = panel.name == "recipes"
-		local recipe_or_usage = panel.name == "recipes" or panel.name == "usages"
+		fs(fmt("bg9", _ROWS + 0.1, SPACING, 7.9, panel.height, PNG.bg_full, 10))
 
-		if rn then
-			get_rcp_lbl(fs, data, panel, spacing, rn, is_recipe)
-		end
-
-		fs(fmt("bg9", _ROWS + 0.1, spacing, 7.9, panel.height, PNG.bg_full, 10))
-
-		if recipe_or_usage and not rn then
-			local lbl = is_recipe and ES"No recipes" or ES"No usages"
-			fs(fmt("button",
-				_ROWS + 0.1, spacing + (panel.height / 2) - 0.5, 7.8, 1, "", lbl))
+		local is_recipe, is_usage = panel.name == "recipes", panel.name == "usages"
 
+		if is_recipe or is_usage then
+			get_rcp_extra(fs, data, panel, is_recipe, is_usage)
 		elseif panel.name == "title" then
-			get_title_fs(data.query_item, data.favs, data.lang_code, fs, spacing)
-
+			get_title_fs(fs, data.query_item, data.favs, data.lang_code)
 		elseif panel.name == "favs" then
-			fs(fmt("label", _ROWS + 0.4, spacing + 0.4, ES"Bookmarks"))
-
-			for i = 1, #data.favs do
-				local item = data.favs[i]
-				local X = _ROWS - 0.7 + (i * 1.2)
-				local Y = spacing + 0.8
-
-				if data.query_item == item then
-					fs(fmt("image",
-						X, Y, ITEM_BTN_SIZE, ITEM_BTN_SIZE, PNG.selected))
-				end
-
-				fs(fmt("item_image_button",
-					X, Y, ITEM_BTN_SIZE, ITEM_BTN_SIZE, item, item, ""))
-			end
+			get_favs(fs, data)
 		end
 	end
 end
@@ -1309,7 +1505,7 @@ local function make_fs(data)
 			lbl = ES"Collect items to reveal more recipes"
 		end
 
-		fs(fmt("button", 0, 3, _ROWS, 1, "", lbl))
+		fs(fmt("button", 0, 3, _ROWS, 1, "no_item", lbl))
 	end
 
 	local first_item = (data.pagenum - 1) * IPP
@@ -1332,7 +1528,7 @@ local function make_fs(data)
 	end
 
 	if (data.recipes and #data.recipes > 0) or (data.usages and #data.usages > 0) then
-		get_panels(data, fs)
+		get_panels(fs, data)
 	end
 
 	return concat(fs)
@@ -1562,13 +1758,15 @@ local function init_data(name)
 	local info = get_player_info(name)
 
 	pdata[name] = {
-		filter     = "",
-		pagenum    = 1,
-		items      = init_items,
-		items_raw  = init_items,
-		favs       = {},
-		lang_code  = get_lang_code(info),
-		fs_version = get_formspec_version(info),
+		filter        = "",
+		pagenum       = 1,
+		items         = init_items,
+		items_raw     = init_items,
+		favs          = {},
+		export_counts = {},
+		lang_code     = get_lang_code(info),
+		fs_version    = get_formspec_version(info),
+		player        = get_player_by_name(name),
 	}
 end
 
@@ -1577,10 +1775,14 @@ local function reset_data(data)
 	data.pagenum     = 1
 	data.rnum        = 1
 	data.unum        = 1
+	data.scrbar_rcp  = 1
+	data.scrbar_usg  = 1
 	data.query_item  = nil
 	data.recipes     = nil
 	data.usages      = nil
 	data.show_usages = nil
+	data.export_rcp  = nil
+	data.export_usg  = nil
 	data.items       = data.items_raw
 end
 
@@ -1601,16 +1803,23 @@ local function fields(player, _f)
 	local name = player:get_player_name()
 	local data = pdata[name]
 
+	local scrbar_rcp_CHG = _f.scrbar_rcp and sub(_f.scrbar_rcp, 1, 3) == "CHG"
+	local scrbar_usg_CHG = _f.scrbar_usg and sub(_f.scrbar_usg, 1, 3) == "CHG"
+
 	if _f.clear then
 		reset_data(data)
 
 	elseif _f.prev_recipe or _f.next_recipe then
 		local num = data.rnum + (_f.prev_recipe and -1 or 1)
 		data.rnum = data.recipes[num] and num or (_f.prev_recipe and #data.recipes or 1)
+		data.export_rcp = nil
+		data.scrbar_rcp = 1
 
 	elseif _f.prev_usage or _f.next_usage then
 		local num = data.unum + (_f.prev_usage and -1 or 1)
 		data.unum = data.usages[num] and num or (_f.prev_usage and #data.usages or 1)
+		data.export_usg = nil
+		data.scrbar_usg = 1
 
 	elseif _f.key_enter_field == "filter" or _f.search then
 		if _f.filter == "" then
@@ -1623,6 +1832,7 @@ local function fields(player, _f)
 
 		data.filter = str
 		data.pagenum = 1
+
 		search(data)
 
 	elseif _f.prev_page or _f.next_page then
@@ -1644,38 +1854,22 @@ local function fields(player, _f)
 		elseif fav then
 			remove(data.favs, i)
 		end
+
+	elseif _f.export_rcp or _f.export_usg then
+		if _f.export_rcp then
+			data.export_rcp = not data.export_rcp
+		else
+			data.export_usg = not data.export_usg
+		end
+
+	elseif scrbar_rcp_CHG or scrbar_usg_CHG then
+		data.scrbar_rcp = _f.scrbar_rcp and tonum(match(_f.scrbar_rcp, "%d+"))
+		data.scrbar_usg = _f.scrbar_usg and tonum(match(_f.scrbar_usg, "%d+"))
+
+	elseif _f.craft_rcp or _f.craft_usg then
+		craft_stack(player, name, data, _f)
 	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)
-		elseif sub(item, 1, 1) == "_" then
-			item = sub(item, 2)
-		elseif sub(item, 1, 6) == "group|" then
-			item = match(item, "([%w:_]+)$")
-		end
-
-		item = reg_aliases[item] or item
-
-		if item == data.query_item then return end
-
-		local recipes, usages = get_recipes(item, data, player)
-		if not recipes and not usages      then return end
-		if data.show_usages and not usages then return end
-
-		data.query_item = item
-		data.recipes    = recipes
-		data.usages     = usages
-		data.rnum       = 1
-		data.unum       = 1
+		show_recipes(player, data, _f)
 	end
 
 	return true, show_fs(player, name)
@@ -1780,8 +1974,7 @@ if progressive_mode then
 				local def = reg_items[inv_items[i]]
 
 				if def then
-					local item_groups = def.groups
-					if item_has_groups(item_groups, groups) then
+					if item_has_groups(def.groups, groups) then
 						return true
 					end
 				end
@@ -1795,8 +1988,8 @@ if progressive_mode then
 		end
 	end
 
-	local function recipe_in_inv(recipe, inv_items)
-		for _, item in pairs(recipe.items) do
+	local function recipe_in_inv(rcp, inv_items)
+		for _, item in pairs(rcp.items) do
 			if not item_in_inv(item, inv_items) then return end
 		end