2021-11-27 15:08:40 -05:00

72 lines
2.3 KiB
Lua

-- LUALOCALS < ---------------------------------------------------------
local ItemStack, math, minetest, nodecore, pairs, vector
= ItemStack, math, minetest, nodecore, pairs, vector
local math_random
= math.random
-- LUALOCALS > ---------------------------------------------------------
local stackonly = {}
minetest.after(0, function()
for k, v in pairs(minetest.registered_items) do
if v.groups and v.groups.is_stack_only then
stackonly[k] = true
end
end
end)
local function nuke(self)
self.itemstring = ""
self.object:remove()
return true
end
nodecore.register_item_entity_on_settle(function(self, pos)
local curnode = minetest.get_node(pos)
if curnode.name == "ignore" then return end
local below = {x = pos.x, y = pos.y - 0.55, z = pos.z}
local bnode = minetest.get_node(below)
if (pos.y - 1 >= nodecore.map_limit_min) and (bnode.name == "ignore")
then return end
local item = ItemStack(self.itemstring)
item = nodecore.stack_settle(pos, item, curnode, nil, true)
if item:is_empty() then return nuke(self) end
if nodecore.stack_can_fall_in(below, item, bnode, nil, self) then
self.object:set_pos({x = pos.x, y = pos.y - 0.55, z = pos.z})
self.object:set_velocity({x = 0, y = 0, z = 0})
return
end
item = nodecore.stack_settle(below, item, bnode)
if item:is_empty() then return nuke(self) end
if self.nextscan and nodecore.gametime < self.nextscan then return end
self.nextscan = (self.nextscan or nodecore.gametime) + 0.75 + 0.5 * math_random()
local boxes = {}
for rel in nodecore.settlescan() do
local p = vector.add(pos, rel)
local n = minetest.get_node(p)
if stackonly[n.name] then
item = nodecore.stack_add(p, item)
if item:is_empty() then return nuke(self) end
else
boxes[#boxes + 1] = p
end
if nodecore.buildable_to(p) and (p.y >= nodecore.map_limit_min)
and (rel.y <= 0 or (p.y - 1 < nodecore.map_limit_min)
or nodecore.walkable({x = p.x, y = p.y - 1, z = p.z})) then
nodecore.place_stack(p, item)
minetest.get_meta(p):set_string("tweenfrom",
minetest.serialize(self.object:get_pos()))
return nuke(self)
end
end
for _, p in pairs(boxes) do
item = nodecore.stack_add(p, item)
if item:is_empty() then return nuke(self) end
end
self.itemstring = item:to_string()
end)