return obj
end
+-- If item_entity_ttl is not set, enity will have default life time
+-- Setting it to -1 disables the feature
+
+local time_to_live = tonumber(core.setting_get("item_entity_ttl"))
+if not time_to_live then
+ time_to_live = 900
+end
+
core.register_entity(":__builtin:item", {
initial_properties = {
hp_max = 1,
physical = true,
collide_with_objects = false,
- collisionbox = {-0.17,-0.17,-0.17, 0.17,0.17,0.17},
- visual = "sprite",
- visual_size = {x=0.5, y=0.5},
+ 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},
+ spritediv = {x = 1, y = 1},
+ initial_sprite_basepos = {x = 0, y = 0},
is_visible = false,
},
-
+
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
if itemtable then
item_texture = core.registered_items[itemname].inventory_image
item_type = core.registered_items[itemname].type
end
- prop = {
+ local prop = {
is_visible = true,
- visual = "sprite",
- textures = {"unknown_item.png"}
+ visual = "wielditem",
+ textures = {itemname},
+ visual_size = {x = s, y = s},
+ collisionbox = {-c, -c, -c, c, c, c},
+ automatic_rotate = math.pi * 0.5,
}
- if item_texture and item_texture ~= "" then
- prop.visual = "sprite"
- prop.textures = {item_texture}
- prop.visual_size = {x=0.50, y=0.50}
- else
- prop.visual = "wielditem"
- prop.textures = {itemname}
- prop.visual_size = {x=0.20, y=0.20}
- prop.automatic_rotate = math.pi * 0.25
- end
self.object:set_properties(prop)
end,
get_staticdata = function(self)
- --return self.itemstring
return core.serialize({
itemstring = self.itemstring,
always_collect = self.always_collect,
+ age = self.age
})
end,
- on_activate = function(self, staticdata)
+ 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
end
else
self.itemstring = staticdata
end
- self.object:set_armor_groups({immortal=1})
- self.object:setvelocity({x=0, y=2, z=0})
- self.object:setacceleration({x=0, y=-10, z=0})
+ self.object:set_armor_groups({immortal = 1})
+ self.object:setvelocity({x = 0, y = 2, z = 0})
+ self.object:setacceleration({x = 0, y = -10, 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 time_to_live > 0 and self.age > time_to_live then
+ self.itemstring = ''
+ self.object:remove()
+ return
+ end
local p = self.object:getpos()
- p.y = p.y - 0.3
- local nn = core.get_node(p).name
+ p.y = p.y - 0.5
+ local node = core.get_node_or_nil(p)
+ local in_unloaded = (node == nil)
+ if in_unloaded 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
+ local nn = node.name
-- If node is not registered or node is walkably solid and resting on nodebox
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
- self.object:setvelocity({x=0,y=0,z=0})
- self.object:setacceleration({x=0, y=0, z=0})
+ 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
- })
+ self.object:set_properties({physical = false})
end
else
if not self.physical_state then
- self.object:setvelocity({x=0,y=0,z=0})
- self.object:setacceleration({x=0, y=-10, z=0})
+ self.object:setvelocity({x = 0, y = 0, z = 0})
+ self.object:setacceleration({x = 0, y = -10, z = 0})
self.physical_state = true
- self.object:set_properties({
- physical = true
- })
+ self.object:set_properties({physical = true})
end
end
end,
self.object:remove()
end,
})
-