482 lines
16 KiB
Lua
482 lines
16 KiB
Lua
--basic settings
|
|
local item_drop_settings = {} --settings table
|
|
item_drop_settings.age = 1 --how old an item has to be before collecting
|
|
item_drop_settings.radius_magnet = 2 --radius of item magnet
|
|
item_drop_settings.radius_collect = 0.2 --radius of collection
|
|
item_drop_settings.player_collect_height = 0.5 --added to their pos y value
|
|
item_drop_settings.collection_safety = false --do this to prevent items from flying away on laggy servers
|
|
item_drop_settings.random_item_velocity = true --this sets random item velocity if velocity is 0
|
|
item_drop_settings.drop_single_item = false --if true, the drop control drops 1 item instead of the entire stack, and sneak+drop drops the stack
|
|
-- drop_single_item is disabled by default because it is annoying to throw away items from the intentory screen
|
|
|
|
item_drop_settings.magnet_time = 0.5 -- how many seconds an item follows the player before giving up
|
|
|
|
local get_gravity = function()
|
|
return tonumber(minetest.setting_get("movement_gravity")) or 9.81
|
|
end
|
|
|
|
local check_pickup_achievements = function(object, player)
|
|
local itemname = ItemStack(object:get_luaentity().itemstring):get_name()
|
|
if minetest.get_item_group(itemname, "tree") ~= 0 then
|
|
awards.unlock(player:get_player_name(), "mcl:mineWood")
|
|
elseif itemname == "mcl_mobitems:blaze_rod" then
|
|
awards.unlock(player:get_player_name(), "mcl:blazeRod")
|
|
elseif itemname == "mcl_mobitems:leather" then
|
|
awards.unlock(player:get_player_name(), "mcl:killCow")
|
|
elseif itemname == "mcl_core:diamond" then
|
|
awards.unlock(player:get_player_name(), "mcl:diamonds")
|
|
end
|
|
end
|
|
|
|
minetest.register_globalstep(function(dtime)
|
|
for _,player in ipairs(minetest.get_connected_players()) do
|
|
if player:get_hp() > 0 or not minetest.setting_getbool("enable_damage") then
|
|
local pos = player:getpos()
|
|
local inv = player:get_inventory()
|
|
|
|
--collection
|
|
|
|
for _,object in ipairs(minetest.get_objects_inside_radius({x=pos.x,y=pos.y + item_drop_settings.player_collect_height,z=pos.z}, item_drop_settings.radius_collect)) do
|
|
if not object:is_player() and object:get_luaentity() and object:get_luaentity().name == "__builtin:item" then
|
|
if object:get_luaentity()._insta_collect or (object:get_luaentity().age > item_drop_settings.age) then
|
|
if inv and inv:room_for_item("main", ItemStack(object:get_luaentity().itemstring)) then
|
|
|
|
if object:get_luaentity().itemstring ~= "" then
|
|
inv:add_item("main", ItemStack(object:get_luaentity().itemstring))
|
|
minetest.sound_play("item_drop_pickup", {
|
|
pos = pos,
|
|
max_hear_distance = 100,
|
|
gain = 10.0,
|
|
})
|
|
check_pickup_achievements(object, player)
|
|
object:get_luaentity().itemstring = ""
|
|
object:remove()
|
|
end
|
|
|
|
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
|
|
--magnet
|
|
for _,object in ipairs(minetest.get_objects_inside_radius({x=pos.x,y=pos.y + item_drop_settings.player_collect_height,z=pos.z}, item_drop_settings.radius_magnet)) do
|
|
if not object:is_player() and object:get_luaentity() and object:get_luaentity().name == "__builtin:item" and (object:get_luaentity()._insta_collect or (object:get_luaentity().age > item_drop_settings.age)) then
|
|
object:get_luaentity()._magnet_timer = object:get_luaentity()._magnet_timer + dtime
|
|
if object:get_luaentity()._magnet_timer > 0 and object:get_luaentity()._magnet_timer < item_drop_settings.magnet_time then
|
|
if inv and inv:room_for_item("main", ItemStack(object:get_luaentity().itemstring)) then
|
|
|
|
object:get_luaentity()._magnet_active = true
|
|
object:get_luaentity()._collector_timer = 0
|
|
|
|
--modified simplemobs api
|
|
|
|
local pos1 = pos
|
|
local pos2 = object:getpos()
|
|
local vec = {x=pos1.x-pos2.x, y=(pos1.y+item_drop_settings.player_collect_height)-pos2.y, z=pos1.z-pos2.z}
|
|
|
|
vec.x = pos2.x + (vec.x/3)
|
|
vec.y = pos2.y + (vec.y/3)
|
|
vec.z = pos2.z + (vec.z/3)
|
|
object:moveto(vec)
|
|
|
|
|
|
|
|
object:get_luaentity().physical_state = false
|
|
object:get_luaentity().object:set_properties({
|
|
physical = false
|
|
})
|
|
|
|
|
|
--fix eternally falling items
|
|
minetest.after(0, function(object)
|
|
local lua = object:get_luaentity()
|
|
if lua then
|
|
object:setacceleration({x=0, y=0, z=0})
|
|
end
|
|
end, object)
|
|
|
|
|
|
--this is a safety to prevent items flying away on laggy servers
|
|
if item_drop_settings.collection_safety == true then
|
|
if object:get_luaentity().init ~= true then
|
|
object:get_luaentity().init = true
|
|
minetest.after(1, function(args)
|
|
local player = args.player
|
|
local object = args.object
|
|
local lua = object:get_luaentity()
|
|
if player == nil or not player:is_player() or object == nil or lua == nil or lua.itemstring == nil then
|
|
return
|
|
end
|
|
if inv:room_for_item("main", ItemStack(object:get_luaentity().itemstring)) then
|
|
inv:add_item("main", ItemStack(object:get_luaentity().itemstring))
|
|
if object:get_luaentity().itemstring ~= "" then
|
|
minetest.sound_play("item_drop_pickup", {
|
|
pos = pos,
|
|
max_hear_distance = 100,
|
|
gain = 10.0,
|
|
})
|
|
end
|
|
check_pickup_achievements(object, player)
|
|
object:get_luaentity().itemstring = ""
|
|
object:remove()
|
|
else
|
|
object:setvelocity({x=0,y=0,z=0})
|
|
object:get_luaentity().physical_state = true
|
|
object:get_luaentity().object:set_properties({
|
|
physical = true
|
|
})
|
|
end
|
|
end, {player, object})
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
if object:get_luaentity()._magnet_timer > 1 then
|
|
object:get_luaentity()._magnet_timer = -item_drop_settings.magnet_time
|
|
elseif object:get_luaentity()._magnet_timer < 0 then
|
|
object:get_luaentity()._magnet_timer = object:get_luaentity()._magnet_timer + dtime
|
|
end
|
|
|
|
end
|
|
end
|
|
|
|
end
|
|
end
|
|
end)
|
|
|
|
function minetest.handle_node_drops(pos, drops, digger)
|
|
if minetest.setting_getbool("creative_mode") then
|
|
return
|
|
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
|
|
for i=1,count do
|
|
local obj = minetest.add_item(pos, name)
|
|
if obj ~= nil then
|
|
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})
|
|
obj:get_luaentity().age = 0.6
|
|
obj:get_luaentity()._insta_collect = true
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
-- Drop single items by default
|
|
function minetest.item_drop(itemstack, dropper, pos)
|
|
if dropper and dropper:is_player() then
|
|
local v = dropper:get_look_dir()
|
|
local p = {x=pos.x, y=pos.y+1.2, z=pos.z}
|
|
local cs = itemstack:get_count()
|
|
if dropper:get_player_control().sneak then
|
|
cs = 1
|
|
end
|
|
local item = itemstack:take_item(cs)
|
|
local obj = core.add_item(p, item)
|
|
if obj then
|
|
v.x = v.x*4
|
|
v.y = v.y*4 + 2
|
|
v.z = v.z*4
|
|
obj:setvelocity(v)
|
|
return itemstack
|
|
end
|
|
end
|
|
end
|
|
|
|
--modify builtin:item
|
|
|
|
local time_to_live = tonumber(core.setting_get("item_entity_ttl"))
|
|
if not time_to_live then
|
|
time_to_live = 300
|
|
end
|
|
|
|
core.register_entity(":__builtin:item", {
|
|
initial_properties = {
|
|
hp_max = 1,
|
|
physical = true,
|
|
collide_with_objects = false,
|
|
collisionbox = {-0.3, -0.3, -0.3, 0.3, 0.3, 0.3},
|
|
visual = "wielditem",
|
|
visual_size = {x = 0.4, y = 0.4},
|
|
textures = {""},
|
|
spritediv = {x = 1, y = 1},
|
|
initial_sprite_basepos = {x = 0, y = 0},
|
|
is_visible = false,
|
|
infotext = "",
|
|
},
|
|
|
|
itemstring = '',
|
|
physical_state = true,
|
|
age = 0,
|
|
|
|
set_item = function(self, itemstring)
|
|
self.itemstring = itemstring
|
|
local stack = ItemStack(itemstring)
|
|
local count = stack:get_count()
|
|
local max_count = stack:get_stack_max()
|
|
if count > max_count then
|
|
count = max_count
|
|
self.itemstring = stack:get_name().." "..max_count
|
|
end
|
|
local s = 0.2 + 0.1 * (count / max_count)
|
|
local c = s
|
|
local itemtable = stack:to_table()
|
|
local itemname = nil
|
|
local description = ""
|
|
if itemtable then
|
|
itemname = stack:to_table().name
|
|
end
|
|
local item_texture = nil
|
|
local item_type = ""
|
|
if core.registered_items[itemname] then
|
|
item_texture = core.registered_items[itemname].inventory_image
|
|
item_type = core.registered_items[itemname].type
|
|
description = core.registered_items[itemname].description
|
|
end
|
|
local prop = {
|
|
is_visible = true,
|
|
visual = "wielditem",
|
|
textures = {itemname},
|
|
visual_size = {x = s, y = s},
|
|
collisionbox = {-c, -c, -c, c, c, c},
|
|
automatic_rotate = math.pi * 0.5,
|
|
infotext = description,
|
|
}
|
|
self.object:set_properties(prop)
|
|
if item_drop_settings.random_item_velocity == true then
|
|
minetest.after(0, function(self)
|
|
if not self or not self.object or not self.object:get_luaentity() then
|
|
return
|
|
end
|
|
local vel = self.object:getvelocity()
|
|
if vel and vel.x == 0 and vel.z == 0 then
|
|
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
|
|
local y = math.random(2,4)
|
|
self.object:setvelocity({x=1/x, y=y, z=1/z})
|
|
end
|
|
end, self)
|
|
end
|
|
|
|
end,
|
|
|
|
get_staticdata = function(self)
|
|
return core.serialize({
|
|
itemstring = self.itemstring,
|
|
always_collect = self.always_collect,
|
|
age = self.age,
|
|
dropped_by = self.dropped_by,
|
|
collect = self._collect
|
|
})
|
|
end,
|
|
|
|
on_activate = function(self, staticdata, dtime_s)
|
|
if string.sub(staticdata, 1, string.len("return")) == "return" then
|
|
local data = core.deserialize(staticdata)
|
|
if data and type(data) == "table" then
|
|
self.itemstring = data.itemstring
|
|
self.always_collect = data.always_collect
|
|
if data.age then
|
|
self.age = data.age + dtime_s
|
|
else
|
|
self.age = dtime_s
|
|
end
|
|
--remember collection data
|
|
if data._insta_collect then
|
|
-- If true, can collect item without delay
|
|
self._insta_collect = data._insta_collect
|
|
end
|
|
self.dropped_by = data.dropped_by
|
|
end
|
|
else
|
|
self.itemstring = staticdata
|
|
end
|
|
self._magnet_timer = 0
|
|
self._magnet_active = false
|
|
-- How long ago the last possible collector was detected. nil = none in this session
|
|
self._collector_timer = nil
|
|
self.object:set_armor_groups({immortal = 1})
|
|
self.object:setvelocity({x = 0, y = 2, z = 0})
|
|
self.object:setacceleration({x = 0, y = -get_gravity(), z = 0})
|
|
self:set_item(self.itemstring)
|
|
end,
|
|
|
|
try_merge_with = function(self, own_stack, object, obj)
|
|
local stack = ItemStack(obj.itemstring)
|
|
if own_stack:get_name() == stack:get_name() and stack:get_free_space() > 0 then
|
|
local overflow = false
|
|
local count = stack:get_count() + own_stack:get_count()
|
|
local max_count = stack:get_stack_max()
|
|
if count > max_count then
|
|
overflow = true
|
|
count = count - max_count
|
|
else
|
|
self.itemstring = ''
|
|
end
|
|
local pos = object:getpos()
|
|
pos.y = pos.y + (count - stack:get_count()) / max_count * 0.15
|
|
object:moveto(pos, false)
|
|
local s, c
|
|
local max_count = stack:get_stack_max()
|
|
local name = stack:get_name()
|
|
if not overflow then
|
|
obj.itemstring = name .. " " .. count
|
|
s = 0.2 + 0.1 * (count / max_count)
|
|
c = s
|
|
object:set_properties({
|
|
visual_size = {x = s, y = s},
|
|
collisionbox = {-c, -c, -c, c, c, c}
|
|
})
|
|
self.object:remove()
|
|
-- merging succeeded
|
|
return true
|
|
else
|
|
s = 0.4
|
|
c = 0.3
|
|
object:set_properties({
|
|
visual_size = {x = s, y = s},
|
|
collisionbox = {-c, -c, -c, c, c, c}
|
|
})
|
|
obj.itemstring = name .. " " .. max_count
|
|
s = 0.2 + 0.1 * (count / max_count)
|
|
c = s
|
|
self.object:set_properties({
|
|
visual_size = {x = s, y = s},
|
|
collisionbox = {-c, -c, -c, c, c, c}
|
|
})
|
|
self.itemstring = name .. " " .. count
|
|
end
|
|
end
|
|
-- merging didn't succeed
|
|
return false
|
|
end,
|
|
|
|
on_step = function(self, dtime)
|
|
self.age = self.age + dtime
|
|
if self._collector_timer ~= nil then
|
|
self._collector_timer = self._collector_timer + dtime
|
|
end
|
|
if time_to_live > 0 and self.age > time_to_live then
|
|
self.itemstring = ''
|
|
self.object:remove()
|
|
return
|
|
end
|
|
local p = self.object:getpos()
|
|
local node = core.get_node_or_nil(p)
|
|
local in_unloaded = (node == nil)
|
|
|
|
-- If no collector was found for a long enough time, declare the magnet as disabled
|
|
if self._magnet_active and (self._collector_timer == nil or (self._collector_timer > item_drop_settings.magnet_time)) then
|
|
self._magnet_active = false
|
|
end
|
|
if in_unloaded and self.physical_state == true then
|
|
-- Don't infinetly fall into unloaded map
|
|
self.object:setvelocity({x = 0, y = 0, z = 0})
|
|
self.object:setacceleration({x = 0, y = 0, z = 0})
|
|
self.physical_state = false
|
|
self.object:set_properties({physical = false})
|
|
return
|
|
end
|
|
|
|
-- Destroy item in lava or special nodes
|
|
local nn = node.name
|
|
local def = minetest.registered_nodes[nn]
|
|
if (def and def.groups and (def.groups.lava or def.groups.destroys_items == 1)) then
|
|
-- Special effect for lava
|
|
if def.groups.lava then
|
|
minetest.sound_play("builtin_item_lava", {pos = self.object:getpos(), gain = 0.5})
|
|
end
|
|
self.object:remove()
|
|
return
|
|
end
|
|
|
|
-- Move item around on flowing liquids
|
|
if minetest.registered_nodes[nn] and minetest.registered_nodes[nn].liquidtype == "flowing" then
|
|
|
|
local pos = self.object:getpos()
|
|
local node = minetest.get_node(pos)
|
|
--[[ Get flowing direction (function call from flowlib), if there's a liquid.
|
|
NOTE: According to Qwertymine, flowlib.quickflow is only reliable for liquids with a flowing distance of 7.
|
|
Luckily, this is exactly what we need if we only care about water, which has this flowing distance. ]]
|
|
local vec = flowlib.quick_flow(pos, node)
|
|
-- Just to make sure we don't manipulate the speed for no reason
|
|
if vec.x ~= 0 or vec.y ~= 0 or vec.z ~= 0 then
|
|
-- Minecraft Wiki: Flowing speed is "about 1.39 meters per second"
|
|
local f = 1.39
|
|
-- Set new item moving speed into the direciton of the liquid
|
|
local newv = vector.multiply(vec, f)
|
|
self.object:setacceleration({x = 0, y = 0, z = 0})
|
|
self.object:setvelocity({x = newv.x, y = -0.22, z = newv.z})
|
|
|
|
self.object:setacceleration({x = 0, y = -get_gravity(), z = 0})
|
|
self.physical_state = true
|
|
self.object:set_properties({
|
|
physical = true
|
|
})
|
|
return
|
|
end
|
|
end
|
|
|
|
-- If node is not registered or node is walkably solid and resting on nodebox
|
|
p.y = p.y - 0.5
|
|
local nn = minetest.get_node(p).name
|
|
local v = self.object:getvelocity()
|
|
|
|
if not core.registered_nodes[nn] or core.registered_nodes[nn].walkable and v.y == 0 then
|
|
if self.physical_state then
|
|
local own_stack = ItemStack(self.object:get_luaentity().itemstring)
|
|
-- Merge with close entities of the same item
|
|
for _, object in ipairs(core.get_objects_inside_radius(p, 0.8)) do
|
|
local obj = object:get_luaentity()
|
|
if obj and obj.name == "__builtin:item"
|
|
and obj.physical_state == false then
|
|
if self:try_merge_with(own_stack, object, obj) then
|
|
return
|
|
end
|
|
end
|
|
end
|
|
self.object:setvelocity({x = 0, y = 0, z = 0})
|
|
self.object:setacceleration({x = 0, y = 0, z = 0})
|
|
self.physical_state = false
|
|
self.object:set_properties({physical = false})
|
|
end
|
|
else
|
|
if not self.physical_state and self._magnet_active == false then
|
|
self.object:setvelocity({x = 0, y = 0, z = 0})
|
|
self.object:setacceleration({x = 0, y = -get_gravity(), z = 0})
|
|
self.physical_state = true
|
|
self.object:set_properties({physical = true})
|
|
end
|
|
end
|
|
end,
|
|
|
|
-- Note: on_punch intentionally left out. The player should *not* be able to collect items by punching
|
|
})
|
|
|
|
if minetest.setting_get("log_mods") then
|
|
minetest.log("action", "mcl_item_entity loaded")
|
|
end
|