add hotbar mod

MineStead_modpack/minestead_hotbar/depends.txt

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+default

MineStead_modpack/minestead_hotbar/init.lua

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+local mod_storage = minetest.get_mod_storage()
+
+local function validate_size(s)
+	local size = s and tonumber(s) or 8
+	return math.floor(0.5 + math.max(1, math.min(size, 32)))
+end
+
+local hotbar_size_default = 8
+
+local base_img = "gui_hb_bg_1.png"
+local imgref_len = string.len(base_img) + 8 -- accounts for the stuff in the string.format() below.
+
+local img = {}
+for i = 0, 31 do
+	img[i+1] = string.format(":%04i,0=%s", i*64, base_img)
+end
+local hb_img = table.concat(img)
+
+local function set_hotbar_size(player, s)
+	local hotbar_size = validate_size(s)
+	player:hud_set_hotbar_itemcount(hotbar_size)
+	player:hud_set_hotbar_selected_image("gui_hotbar_selected.png")
+	player:hud_set_hotbar_image("[combine:"..(hotbar_size*64).."x64"..string.sub(hb_img, 1, hotbar_size*imgref_len))
+	return hotbar_size
+end
+
+minetest.register_on_joinplayer(function(player)
+	minetest.after(0.5,function()
+	    local size = mod_storage:get_int(player:get_player_name())
+	    if size == 0 then
+		  size = hotbar_size_default
+		end
+		set_hotbar_size(player, size)
+	end)
+end)
+
+minetest.register_chatcommand("hotbar", {
+	params = "[size]",
+	description = "Sets the size of your hotbar, from 1 to 32 slots, default 8",
+	privs = { hotbar = true },
+	func = function(name, slots)
+		local size = set_hotbar_size(minetest.get_player_by_name(name), slots)
+		minetest.chat_send_player(name, "[_] Hotbar size set to " ..size.. ".")
+		mod_storage:set_int(name, size)
+	end,
+})
+
+minetest.register_privilege("hotbar", {
+    description = "Allows to set hotbar size"
+})