maggems_landmark/init.lua

maggems_landmark = {}
local modstore = minetest.get_mod_storage()

function maggems_landmark.is_protected(pos, name)
	local homes = maggems_landmark.homes
	for _, area in pairs(homes:get_areas_for_pos(pos, true, true)) do
		minetest.debug("found an area!", dump(area))
    local meta = minetest.get_meta(minetest.deserialize(area.data))
    if (meta:get_string("owner") ~= name) then
      minetest.chat_send_player(name, "Woah, buddy! That's "..meta:get_string("owner").."'s home!")
      minetest.chat_send_player(meta:get_string("owner"), "Hey! "..name.."'s trying to build at "..meta:get_string("maggems_landmark:name").."!")
      return true
    end
	end
	return false
end
local old_is_protected = minetest.is_protected
function minetest.is_protected(pos, name)
	if (maggems_landmark.is_protected(pos, name)) then return true end
	return old_is_protected(pos, name)
end

minetest.register_on_joinplayer(function(player)
	local name = player:get_player_name()
  if (maggems_landmark.homes ~= nil) then return end
	maggems_landmark.homes = AreaStore()
	local stored_homes = modstore:get("homes")
	if (stored_homes) then
		stored_homes = minetest.decode_base64(stored_homes)
		maggems_landmark.homes:from_string(stored_homes)
	end
end)

local function save_homes()
	local homes = maggems_landmark.homes
	modstore:set_string("homes", minetest.encode_base64(homes:to_string()))
end

minetest.register_node("maggems_landmark:home", {
	description = "Misi Home",
	tiles = {"maggems_landmark_home_side.png"},
	is_ground_content = false,
	paramtype = "light",
	light_source = 3,
	groups = {cracky = 1, level = 1},
	sounds = default.node_sound_stone_defaults(),
	on_construct = function(pos)
		local meta = minetest.get_meta(pos)
		meta:set_string("owner", "")
		-- TODO
		--[[
		local inv = meta:get_inventory()
		inv:set_size("main", 8*4)
		--]]
	end,
	after_place_node = function(pos, placer)
		local meta = minetest.get_meta(pos)
		meta:set_string("owner", placer:get_player_name() or "")
		meta:set_string("maggems_landmark:name", "Home")
		meta:set_string("infotext", meta:get_string("maggems_landmark:name") ..
				" (" .. meta:get_string("owner") .. ")")
		meta:set_string("formspec", "size[11,5.5]real_coordinates[true]\
				field[1,2.5;9,0.5;name;Home name;${maggems_landmark:name}]")
		local homes = maggems_landmark.homes
		local pos1 = {x=pos.x-3,y=pos.y-3,z=pos.z-3}
		local pos2 = {x=pos.x+4,y=pos.y+4,z=pos.z+4}
		local id = homes:insert_area(pos1, pos2, minetest.serialize(pos))
		assert(id ~= nil)
		save_homes()
		meta:set_int("maggems_landmark:home_id", id)
	end,
	after_dig_node = function(pos, oldnode, oldmetadata, digger)
		local homes = maggems_landmark.homes
		homes:remove_area(oldmetadata.fields["maggems_landmark:home_id"])
		save_homes()
	end,
	on_receive_fields = function(pos, formname, fields, sender)
		local meta = minetest.get_meta(pos)
		if (sender:get_player_name() ~= meta:get_string("owner")) or
				(not fields.name) then return false end
		meta:set_string("maggems_landmark:name", fields.name)
		meta:set_string("infotext", meta:get_string("maggems_landmark:name") ..
				" (" .. meta:get_string("owner") .. ")")
		return true
	end,
	on_blast = function() end,
	--[[
	-- TODO: proper home features
	can_dig = function(pos,player)
		local meta = minetest.get_meta(pos);
		local inv = meta:get_inventory()
		return inv:is_empty("main") and
				default.can_interact_with_node(player, pos)
	end,
	allow_metadata_inventory_move = function(pos, from_list, from_index,
			to_list, to_index, count, player)
		if not default.can_interact_with_node(player, pos) then
			return 0
		end
		return count
	end,
	allow_metadata_inventory_put = function(pos, listname, index, stack, player)
		if not default.can_interact_with_node(player, pos) then
			return 0
		end
		return stack:get_count()
	end
	allow_metadata_inventory_take = function(pos, listname, index, stack, player)
		if not default.can_interact_with_node(player, pos) then
			return 0
		end
		return stack:get_count()
	end
	--]]
})

minetest.register_craft({
	output = 'maggems_landmark:home',
	recipe = {
		{'maggems:misi'},
		{'default:mese_crystal_fragment'},
	}
})