-- creative/init.lua

creative = {}

local S = minetest.get_translator("creative")
creative.get_translator = S

local function update_sfinv(name)
	minetest.after(0, function()
		local player = minetest.get_player_by_name(name)
		if player then
			if sfinv.get_page(player):sub(1, 9) == "creative:" then
				sfinv.set_page(player, sfinv.get_homepage_name(player))
			else
				sfinv.set_player_inventory_formspec(player)
			end
		end
	end)
end

minetest.register_privilege("creative", {
	description = S("Allow player to use creative inventory"),
	give_to_singleplayer = false,
	give_to_admin = false,
	on_grant = update_sfinv,
	on_revoke = update_sfinv,
})

-- Override the engine's creative mode function
local old_is_creative_enabled = minetest.is_creative_enabled

function minetest.is_creative_enabled(name)
	if name == "" then
		return old_is_creative_enabled(name)
	end
	return minetest.check_player_privs(name, {creative = true}) or
		old_is_creative_enabled(name)
end

dofile(minetest.get_modpath("creative") .. "/inventory.lua")

-- Unlimited node placement
minetest.register_on_placenode(function(pos, newnode, placer, oldnode, itemstack)
	if placer and placer:is_player() then
		return minetest.is_creative_enabled(placer:get_player_name())
	end
end)

-- Don't pick up if the item is already in the inventory
local old_handle_node_drops = minetest.handle_node_drops
function minetest.handle_node_drops(pos, drops, digger)
	if not digger or not digger:is_player() or
		not minetest.is_creative_enabled(digger:get_player_name()) then
		return old_handle_node_drops(pos, drops, digger)
	end
	local inv = digger:get_inventory()
	if inv then
		for _, item in ipairs(drops) do
			if not inv:contains_item("main", item, true) then
				inv:add_item("main", item)
			end
		end
	end
end
