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- -- Minetest: builtin/item_entity.lua
- function minetest.spawn_item(pos, item)
- -- Take item in any format
- local stack = ItemStack(item)
- local obj = minetest.add_entity(pos, "__builtin:item")
- obj:get_luaentity():set_item(stack:to_string())
- return obj
- end
- minetest.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},
- textures = {""},
- spritediv = {x=1, y=1},
- initial_sprite_basepos = {x=0, y=0},
- is_visible = false,
- },
-
- itemstring = '',
- physical_state = true,
- set_item = function(self, itemstring)
- self.itemstring = itemstring
- local stack = ItemStack(itemstring)
- local itemtable = stack:to_table()
- local itemname = nil
- if itemtable then
- itemname = stack:to_table().name
- end
- local item_texture = nil
- local item_type = ""
- if minetest.registered_items[itemname] then
- item_texture = minetest.registered_items[itemname].inventory_image
- item_type = minetest.registered_items[itemname].type
- end
- prop = {
- is_visible = true,
- visual = "sprite",
- textures = {"unknown_item.png"}
- }
- 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 minetest.serialize({
- itemstring = self.itemstring,
- always_collect = self.always_collect,
- })
- end,
- on_activate = function(self, staticdata)
- if string.sub(staticdata, 1, string.len("return")) == "return" then
- local data = minetest.deserialize(staticdata)
- if data and type(data) == "table" then
- self.itemstring = data.itemstring
- self.always_collect = data.always_collect
- 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:set_item(self.itemstring)
- end,
- on_step = function(self, dtime)
- local p = self.object:getpos()
- p.y = p.y - 0.3
- local nn = minetest.get_node(p).name
- -- If node is not registered or node is walkably solid and resting on nodebox
- local v = self.object:getvelocity()
- if not minetest.registered_nodes[nn] or minetest.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})
- self.physical_state = 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.physical_state = true
- self.object:set_properties({
- physical = true
- })
- end
- end
- end,
- on_punch = function(self, hitter)
- if self.itemstring ~= '' then
- local left = hitter:get_inventory():add_item("main", self.itemstring)
- if not left:is_empty() then
- self.itemstring = left:to_string()
- return
- end
- end
- self.object:remove()
- end,
- })
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