item_drop/init.lua

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if minetest.settings:get_bool("item_drop.enable_item_pickup") ~= false then
local pickup_gain = tonumber(
minetest.settings:get("item_drop.pickup_sound_gain")) or 0.4
local pickup_radius = tonumber(
minetest.settings:get("item_drop.pickup_radius")) or 0.75
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local magnet_radius = tonumber(
minetest.settings:get("item_drop.magnet_radius")) or -1
local magnet_time = tonumber(
minetest.settings:get("item_drop.magnet_time")) or 5.0
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local pickup_age = tonumber(
minetest.settings:get("item_drop.pickup_age")) or 0.5
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local key_triggered = minetest.settings:get_bool(
"item_drop.enable_pickup_key") ~= false
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local key_invert = minetest.settings:get_bool(
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"item_drop.pickup_keyinvert") ~= false
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local keytype
if key_triggered then
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keytype = minetest.settings:get("item_drop.pickup_keytype") or "Sneak"
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end
local damage_enabled = minetest.settings:get_bool("enable_damage")
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local magnet_mode = magnet_radius > pickup_radius
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local zero_velocity_mode = pickup_age == -1
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if magnet_mode
and zero_velocity_mode then
error"zero velocity mode can't be used together with magnet mode"
end
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-- adds the item to the inventory and removes the object
local function collect_item(inv, item, ent, object, pos)
inv:add_item("main", item)
minetest.sound_play("item_drop_pickup", {
pos = pos,
gain = pickup_gain,
})
ent.itemstring = ""
object:remove()
end
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-- opt_get_ent gets the object's luaentity if it can be collected
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local opt_get_ent
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if zero_velocity_mode then
function opt_get_ent(object)
if object:is_player()
or not vector.equals(object:getvelocity(), {x=0, y=0, z=0}) then
return
end
local ent = object:get_luaentity()
if not ent
or ent.name ~= "__builtin:item"
or ent.itemstring == "" then
return
end
return ent
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end
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else
function opt_get_ent(object)
if object:is_player() then
return
end
local ent = object:get_luaentity()
if not ent
or ent.name ~= "__builtin:item"
or (ent.dropped_by and ent.age < pickup_age)
or ent.itemstring == "" then
return
end
return ent
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end
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end
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local afterflight
if magnet_mode then
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-- take item or reset velocity after flying a second
function afterflight(object, inv)
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local ent = opt_get_ent(object)
if not ent then
return
end
local item = ItemStack(ent.itemstring)
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if inv
and inv:room_for_item("main", item) then
collect_item(inv, item, ent, object, object:get_pos())
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else
object:setvelocity({x=0,y=0,z=0})
ent.physical_state = true
ent.object:set_properties({
physical = true
})
end
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end
end
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local function pickupfunc(player)
local keys_pressed = not key_triggered
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local control = player:get_player_control()
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if keytype == "Use" then
keys_pressed = control.aux1
elseif keytype == "Sneak" then
keys_pressed = control.sneak
elseif keytype == "LeftAndRight" then -- LeftAndRight combination
keys_pressed = control.left and control.right
elseif keytype == "RMB" then
keys_pressed = control.RMB
elseif keytype == "SneakAndRMB" then -- SneakAndRMB combination
keys_pressed = control.sneak and control.RMB
end
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if keys_pressed == key_invert
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or (damage_enabled and player:get_hp() <= 0) then
return
end
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local pos = player:getpos()
pos.y = pos.y+0.5
local inv
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local objectlist = minetest.get_objects_inside_radius(pos,
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magnet_mode and magnet_radius or pickup_radius)
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for i = 1,#objectlist do
local object = objectlist[i]
local ent = opt_get_ent(object)
if ent then
if not inv then
inv = player:get_inventory()
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if not inv then
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minetest.log("error", "[item_drop] Couldn't " ..
"get inventory")
return
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end
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end
local item = ItemStack(ent.itemstring)
if inv:room_for_item("main", item) then
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local pos2 = object:getpos()
local distance = vector.distance(pos, pos2)
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if distance <= pickup_radius then
collect_item(inv, item, ent, object, pos)
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else
local vel = vector.multiply(
vector.subtract(pos, pos2), 3)
vel.y = vel.y + 0.6
object:setvelocity(vel)
if ent.physical_state then
ent.physical_state = false
ent.object:set_properties({
physical = false
})
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minetest.after(magnet_time, afterflight,
object, inv)
end
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end
end
end
end
end
local function pickup_step()
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local players = minetest.get_connected_players()
for i = 1,#players do
pickupfunc(players[i])
end
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minetest.after(0.01, pickup_step)
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end
minetest.after(3.0, pickup_step)
end
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if minetest.settings:get_bool("item_drop.enable_item_drop") ~= false then
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function minetest.handle_node_drops(pos, drops, digger)
local inv
local diggerPos = pos
if minetest.settings:get_bool("creative_mode")
and digger
and digger:is_player() then
inv = digger:get_inventory()
diggerPos = digger:getpos()
end
for _,item in ipairs(drops) do
local count, name
if type(item) == "string" then
count = 1
name = item
else
count = item:get_count()
name = item:get_name()
end
if not inv or not inv:contains_item("main", ItemStack(name)) then
for i=1,count do
local adjustedPos = {x=diggerPos.x, y=diggerPos.y,
z=diggerPos.z}
local obj = minetest.add_item(adjustedPos, name)
if obj ~= nil then
obj:get_luaentity().collect = true
local x = math.random(1, 5)
if math.random(1,2) == 1 then x = -x end
local z = math.random(1, 5)
if math.random(1,2) == 1 then z = -z end
obj:setvelocity({x=1/x, y=obj:getvelocity().y, z=1/z})
end
end
end
end
end
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end
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if minetest.settings:get("log_mods") then
minetest.log("action", "[Mod] item_drop loaded")
end