write something there

mods/minetest_game/creative/init.lua

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+-- creative/init.lua
+
+-- Load support for MT game translation.
+local S = minetest.get_translator("creative")
+
+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
+
+-- For backwards compatibility:
+function creative.is_enabled_for(name)
+	return minetest.is_creative_enabled(name)
+end
+
+dofile(minetest.get_modpath("creative") .. "/inventory.lua")
+
+if minetest.is_creative_enabled("") then
+	minetest.register_on_mods_loaded(function()
+		-- Dig time is modified according to difference (leveldiff) between tool
+		-- 'maxlevel' and node 'level'. Digtime is divided by the larger of
+		-- leveldiff and 1.
+		-- To speed up digging in creative, hand 'maxlevel' and 'digtime' have been
+		-- increased such that nodes of differing levels have an insignificant
+		-- effect on digtime.
+		local digtime = 42
+		local caps = {times = {digtime, digtime, digtime}, uses = 0, maxlevel = 256}
+
+		-- Override the hand tool
+		minetest.override_item("", {
+			range = 10,
+			tool_capabilities = {
+				full_punch_interval = 0.5,
+				max_drop_level = 3,
+				groupcaps = {
+					crumbly = caps,
+					cracky  = caps,
+					snappy  = caps,
+					choppy  = caps,
+					oddly_breakable_by_hand = caps,
+					-- dig_immediate group doesn't use value 1. Value 3 is instant dig
+					dig_immediate =
+						{times = {[2] = digtime, [3] = 0}, uses = 0, maxlevel = 256},
+				},
+				damage_groups = {fleshy = 10},
+			}
+		})
+	end)
+end
+
+-- 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