From 7901a5c244b3c4dde0dbf1e641e23ef2007ebc02 Mon Sep 17 00:00:00 2001
From: Alexander Weber <web.alexander@web.de>
Date: Wed, 12 Sep 2018 19:24:19 +0200
Subject: [PATCH] added smart_sfinv_creative

---
 smart_sfinv_creative/depends.txt |  1 +
 smart_sfinv_creative/init.lua    | 79 ++++++++++++++++++++++++++++++++
 2 files changed, 80 insertions(+)
 create mode 100644 smart_sfinv_creative/depends.txt
 create mode 100644 smart_sfinv_creative/init.lua

diff --git a/smart_sfinv_creative/depends.txt b/smart_sfinv_creative/depends.txt
new file mode 100644
index 0000000..c327490
--- /dev/null
+++ b/smart_sfinv_creative/depends.txt
@@ -0,0 +1 @@
+creative
diff --git a/smart_sfinv_creative/init.lua b/smart_sfinv_creative/init.lua
new file mode 100644
index 0000000..e78d83a
--- /dev/null
+++ b/smart_sfinv_creative/init.lua
@@ -0,0 +1,79 @@
+
+local min_group_items = 8 --Todo: setting
+
+------------------------------------------------------------------------
+-- Compat to creative mod - remove hardcoded grouped pages
+------------------------------------------------------------------------
+local function unregister_page(name)
+	sfinv.pages[name] = nil
+
+	for idx = #sfinv.pages_unordered, 1, -1 do
+		if sfinv.pages_unordered[idx].name == name then
+			table.remove(sfinv.pages_unordered, idx)
+		end
+	end
+end
+
+unregister_page("creative:nodes")
+unregister_page("creative:tools")
+unregister_page("creative:craftitems")
+
+
+------------------------------------------------------------------------
+-- Item groups collection
+------------------------------------------------------------------------
+local itemgroups = {}
+local itemgroups_unordered = {}
+
+local function get_or_new_itemgroup(group)
+	if itemgroups[group] then
+		return itemgroups[group]
+	end
+	local title = group:gsub("_", " "):gsub("(%a)([%w_']*)", function(first, rest) return first:upper()..rest:lower() end)
+	local itemgroup = { name = group, title = title, items = {}, items_unordered = {}}
+	itemgroups[group] = itemgroup
+	table.insert(itemgroups_unordered, itemgroup)
+	return itemgroup
+end
+
+------------------------------------------------------------------------
+-- Get group assignment for item
+------------------------------------------------------------------------
+local function get_group_addingment(def)
+	return def.mod_origin
+end
+
+------------------------------------------------------------------------
+-- Process items after all mods loaded
+------------------------------------------------------------------------
+minetest.after(0,function()
+	-- Sort items to groups
+	for itemname, def in pairs(minetest.registered_items) do
+		if def.groups.not_in_creative_inventory ~= 1 and
+				def.description and def.description ~= "" then
+
+			local group = get_group_addingment(def)
+			local itemgroup = get_or_new_itemgroup(group)
+			itemgroup.items[itemname] = def
+			table.insert(itemgroup.items_unordered, def)
+		end
+	end
+
+	-- register groups
+	table.sort(itemgroups_unordered, function(a,b) return a.name < b.name end)
+	local misc_group = get_or_new_itemgroup("other")
+
+	for _, itemgroup in ipairs(itemgroups_unordered) do
+		local items_count = #itemgroup.items_unordered
+		if items_count >= min_group_items or 
+				(items_count > 0 and itemgroup.name == "other") then
+			creative.register_tab("smart_sfinv_creative:"..itemgroup.name, itemgroup.title, itemgroup.items)
+		else
+			-- apply to "misc" group
+			for itemname, def in pairs(itemgroup.items) do
+				misc_group.items[itemname] = def
+				table.insert(misc_group.items_unordered, def)
+			end
+		end
+	end
+end)