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MineClone2/mods/ITEMS/mcl_maps/init.lua

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-- 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:getpos(), new_map)
end
return itemstack
end
end
minetest.register_craftitem("mcl_maps:empty_map", {
description = "Empty Map",
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_doc_items_longdesc = "Empty maps are not useful as maps, but they can be stacked and turned to maps which can be used.",
_doc_items_usagehelp = "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,
})
-- 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 = "Map",
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_doc_items_longdesc = "Maps show your surroundings as you explore the world. They can even show you the world like a radar. MAGIC!\nNote: Maps are incomplete and subject to change in future versions of MineClone 2.",
_doc_items_usagehelp = "Hold the map in any of the hotbar slots. This allows you to access the minimap by pressing the minimap key ([F9] by default).",
inventory_image = "mcl_maps_map_filled.png^(mcl_maps_map_filled_markings.png^[colorize:#000000)",
stack_max = 1,
})
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" },
}
})
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)
if has_item_in_hotbar(player, "mcl_maps:filled_map") then
player:hud_set_flags({minimap = true})
else
player:hud_set_flags({minimap = false})
end
end
minetest.register_on_joinplayer(function(player)
update_minimap(player)
end)
local updatetimer = 0
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)