lazarr/mods/lzr_gui/init.lua

lzr_gui = {}

lzr_gui.set_play_gui = function(player)
	player:hud_set_hotbar_itemcount(3)
end
lzr_gui.set_editor_gui = function(player)
	player:hud_set_hotbar_itemcount(8)
end

minetest.register_on_joinplayer(function(player)
	player:hud_set_flags({minimap = false, minimap_radar = false, healthbar = false, breathbar = false})
	player:set_inventory_formspec(
		"formspec_version[4]size[11,6]list[current_player;main;0.5,0.5;8,4]"
	)
	lzr_gui.set_play_gui(player)
end)