set new position on right click, store pos and label in item meta
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93
init.lua
93
init.lua
@ -2,69 +2,107 @@ local player_waypoints = {}
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local update_interval = 1.31415
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-- lua metatables? what is that? :P
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local function get_compass_meta_id(meta)
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return meta:get_string("waypoint_compass:id") ~= "" or "default_id"
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-- local function get_compass_meta_id(meta)
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-- return meta:get_string("waypoint_compass:id") ~= "" or "default_id"
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-- end
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local function get_compass_meta_label(meta)
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local label = meta:get_string("waypoint_compass:label")
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return label ~= "" and label or "destination"
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end
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local function get_compass_meta_name(meta)
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return meta:get_string("waypoint_compass:name") ~= "" or "destination"
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local function set_compass_meta_label(meta, label)
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meta:set_string("waypoint_compass:label", label)
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end
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local function pos_serialize(pos)
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-- strip "(" and ")"
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return string.sub(minetest.pos_to_string(pos), 2, -2)
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end
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local function pos_deserialize(str)
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-- numbers are separated by ","
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local tmp = {}
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for n in string.gmatch(str, "([^,]+)") do
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table.insert(tmp, n)
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end
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tmp[1] = tonumber(tmp[1]) or 0
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tmp[2] = tonumber(tmp[2]) or 0
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tmp[3] = tonumber(tmp[3]) or 0
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return {x = tmp[1], y = tmp[2], z = tmp[3]}
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end
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local function set_compass_meta_pos(meta, pos)
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local pos_str = pos_serialize(pos)
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meta:set_string("waypoint_compass:position", pos_str)
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end
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local function get_compass_meta_pos(meta)
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return {x=0, y=0, z=0}
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return pos_deserialize(meta:get_string("waypoint_compass:position"))
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end
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-- local function set_compass_meta_pos(meta, pos)
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-- local pos_hash = minetest.hash_node_position(pos)
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-- meta:set_int("waypoint_compass:position", pos_hash)
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-- end
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-- local function get_compass_meta_pos(meta)
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-- return minetest.get_position_from_hash(meta:get_int("waypoint_compass:position"))
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-- end
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minetest.register_tool("waypoint_compass:compass", {
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description = "Waypoint compass",
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short_description = "Steel Axe",
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short_description = "Waypoint compass",
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inventory_image = "Waypoint_compass_inventory_image.png",
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on_use = function(itemstack, user, pointed_thing)
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-- FIXME test code for checking how setting the description works
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if user and user:is_player() then
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local player = user
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range = 100,
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on_place = function(itemstack, placer, pointed_thing)
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if pointed_thing and pointed_thing.type == "node" then
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local pointed_pos = pointed_thing.above
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local meta = itemstack:get_meta()
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local pos = get_compass_meta_pos(meta)
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local new_description = string.format("%f (%f,%f,%f)", math.random(), pos.x, pos.y, pos.z)
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meta:set_string("description", new_description)
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meta:set_string("short_description", new_description)
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print("on use", new_description)
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--player:set_wielded_item(nil)
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--player:set_wielded_item(itemstack)
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meta:set_string("description", string.format("Waypoint compass %s", minetest.pos_to_string(pointed_pos)))
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set_compass_meta_pos(meta, pointed_pos)
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--set_compass_meta_label(meta, minetest.pos_to_string(pointed_pos))
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--print("meta pos", minetest.pos_to_string(get_compass_meta_pos(meta)))
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return itemstack
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end
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end
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end,
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})
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local function remove_hud_waypoint(player, player_name)
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print("hud remove")
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---print("hud remove")
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local hud_id = player_waypoints[player_name].hud_id
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player_waypoints[player_name] = nil
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player:hud_remove(hud_id)
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end
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local function show_hud_waypoint(player, compass_item_meta)
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local player_name = player:get_player_name()
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-- Show this waypoint
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local waypoint_name = get_compass_meta_name(compass_item_meta)
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local waypoint_name = get_compass_meta_label(compass_item_meta)
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local hud_id = player:hud_add({
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hud_elem_type = "waypoint",
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name = waypoint_name,
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text = "m",
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precision=1,
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number = 0xFF, --0xFFFFFF,
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number = 0xFC7D0A,
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world_pos = get_compass_meta_pos(compass_item_meta),
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})
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-- store HUD elemnt id to remove it later
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if not player_waypoints[player_name] then
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player_waypoints[player_name] = {}
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end
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print("hud_id add", hud_id)
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player_waypoints[player_name].id = get_compass_meta_id(compass_item_meta)
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--print("hud_id add", hud_id)
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player_waypoints[player_name].pos = get_compass_meta_pos(compass_item_meta)
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player_waypoints[player_name].hud_id = hud_id
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print("id set", player_waypoints[player_name].id)
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end
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@ -78,10 +116,10 @@ minetest.register_globalstep(function(dtime)
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-- player is holding compass
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if (item and item:get_name() == "waypoint_compass:compass") then
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local meta = item:get_meta()
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local waypoint_id = get_compass_meta_id(meta)
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local waypoint_pos = get_compass_meta_pos(meta)
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-- remove different waypoint if it exists
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print(player_waypoints[player_name] and player_waypoints[player_name].id)
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if player_waypoints[player_name] and (player_waypoints[player_name].id ~= waypoint_id) then
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if player_waypoints[player_name] and
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(pos_serialize(player_waypoints[player_name].pos) ~= pos_serialize(waypoint_pos)) then
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remove_hud_waypoint(player, player_name)
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end
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-- show new waypoint
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@ -89,6 +127,7 @@ minetest.register_globalstep(function(dtime)
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show_hud_waypoint(player, meta)
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end
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else
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-- not holding it anymore
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if player_waypoints[player_name] then
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remove_hud_waypoint(player, player_name)
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end
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