VoxeLibre/mods/ITEMS/mcl_maps/init.lua

109 lines
3.5 KiB
Lua

local S = minetest.get_translator("mcl_maps")
-- Turn empty map into filled map by rightclick
local make_filled_map = function(itemstack, placer, pointed_thing)
local new_map = ItemStack("mcl_maps:filled_map")
itemstack:take_item()
if itemstack:is_empty() then
return new_map
else
local inv = placer:get_inventory()
if inv:room_for_item("main", new_map) then
inv:add_item("main", new_map)
else
minetest.add_item(placer:get_pos(), new_map)
end
return itemstack
end
end
minetest.register_craftitem("mcl_maps:empty_map", {
description = S("Empty Map"),
_doc_items_longdesc = S("Empty maps are not useful as maps, but they can be stacked and turned to maps which can be used."),
_doc_items_usagehelp = S("Rightclick to start using the map (which can't be stacked anymore)."),
inventory_image = "mcl_maps_map_empty.png",
groups = { not_in_creative_inventory = 1 },
on_place = make_filled_map,
on_secondary_use = make_filled_map,
stack_max = 64,
})
local function has_item_in_hotbar(player, item)
-- Requirement: player carries the tool in the hotbar
local inv = player:get_inventory()
local hotbar = player:hud_get_hotbar_itemcount()
for i=1, hotbar do
if inv:get_stack("main", i):get_name() == item then
return true
end
end
return false
end
-- Checks if player is still allowed to display the minimap
local function update_minimap(player)
local creative = minetest.settings:get_bool("creative_mode")
if creative then
player:hud_set_flags({minimap=true, minimap_radar = true})
else
if has_item_in_hotbar(player, "mcl_maps:filled_map") then
player:hud_set_flags({minimap = true, minimap_radar = false})
else
player:hud_set_flags({minimap = false, minimap_radar = false})
end
end
end
-- Remind player how to use the minimap correctly
local function use_minimap(itemstack, player, pointed_thing)
if player and player:is_player() then
update_minimap(player)
minetest.chat_send_player(player:get_player_name(), S("Use the minimap key to show the map."))
end
end
-- Enables minimap if carried in hotbar.
-- If this item is NOT in the hotbar, the minimap is unavailable
-- Note: This is not at all like Minecraft right now. Minetest's minimap is pretty overpowered, it
-- has a very greatly zoomed-out version and even a radar mode
minetest.register_craftitem("mcl_maps:filled_map", {
description = S("Map"),
_tt_help = S("Enables minimap"),
_doc_items_longdesc = S("Maps show your surroundings as you explore the world."),
_doc_items_usagehelp = S("Hold the map in any of the hotbar slots. This allows you to access the minimap by pressing the minimap key (see controls settings).").."\n"..
S("In Creative Mode, you don't need this item; the minimap is always available."),
groups = { tool = 1 },
inventory_image = "mcl_maps_map_filled.png^(mcl_maps_map_filled_markings.png^[colorize:#000000)",
stack_max = 1,
on_use = use_minimap,
on_secondary_use = use_minimap,
})
minetest.register_craft({
output = "mcl_maps:filled_map",
recipe = {
{ "mcl_core:paper", "mcl_core:paper", "mcl_core:paper" },
{ "mcl_core:paper", "group:compass", "mcl_core:paper" },
{ "mcl_core:paper", "mcl_core:paper", "mcl_core:paper" },
}
})
minetest.register_on_joinplayer(function(player)
update_minimap(player)
end)
local updatetimer = 0
if not minetest.settings:get_bool("creative_mode") then
minetest.register_globalstep(function(dtime)
updatetimer = updatetimer + dtime
if updatetimer > 0.1 then
local players = minetest.get_connected_players()
for i=1, #players do
update_minimap(players[i])
end
updatetimer = updatetimer - dtime
end
end)
end