--- /dev/null
+minetest.register_craftitem("technic:injector", {
+ description = "Injector",
+ stack_max = 99,
+})
+
+minetest.register_node("technic:injector", {
+ description = "Injector",
+ tiles = {"technic_iron_chest_top.png", "technic_iron_chest_top.png", "technic_iron_chest_side.png",
+ "technic_iron_chest_side.png", "technic_iron_chest_side.png", "technic_iron_chest_front.png"},
+ paramtype2 = "facedir",
+ groups = {snappy=2,choppy=2,oddly_breakable_by_hand=2},
+ legacy_facedir_simple = true,
+ sounds = default.node_sound_wood_defaults(),
+ on_construct = function(pos)
+ local meta = minetest.env:get_meta(pos)
+ meta:set_string("formspec",
+ "invsize[9,9;]"..
+ "list[current_name;main;0,2;8,2;]"..
+ "list[current_player;main;0,5;8,4;]")
+ meta:set_string("infotext", "Injector")
+ local inv = meta:get_inventory()
+ inv:set_size("main", 8*4)
+ end,
+ can_dig = function(pos,player)
+ local meta = minetest.env:get_meta(pos);
+ local inv = meta:get_inventory()
+ return inv:is_empty("main")
+ end,
+ on_punch = function (pos, node, puncher)
+ local meta = minetest.env:get_meta(pos);
+ local inv = meta:get_inventory()
+ for _,stack in ipairs(inv:get_list("main")) do
+ if stack:get_name() ~="" then
+ inv:remove_item("main",stack)
+ pos1=pos
+ pos1.y=pos1.y
+ local x=pos1.x+1.5
+ local z=pos1.z
+ item1=tube_item({x=pos1.x,y=pos1.y,z=pos1.z},stack)
+ item1:get_luaentity().start_pos = {x=pos1.x,y=pos1.y,z=pos1.z}
+ item1:setvelocity({x=1, y=0, z=0})
+ item1:setacceleration({x=0, y=0, z=0})
+ return
+ end
+ end
+end,
+})
+
+
+function tube_item(pos, item)
+ local TUBE_nodes = {}
+ local CHEST_nodes = {}
+
+ TUBE_nodes[1]={}
+ TUBE_nodes[1].x=pos.x
+ TUBE_nodes[1].y=pos.y
+ TUBE_nodes[1].z=pos.z
+
+
+table_index=1
+ repeat
+ check_TUBE_node (TUBE_nodes,CHEST_nodes,table_index)
+ table_index=table_index+1
+ if TUBE_nodes[table_index]==nil then break end
+ until false
+found=table_index-1
+
+
+print("Found "..found.." tubes connected")
+print(dump(CHEST_nodes))
+ -- Take item in any format
+ local stack = ItemStack(item)
+ local obj = minetest.env:add_entity(pos, "technic:tubed_item")
+ obj:get_luaentity():set_item(stack:to_string())
+ return obj
+end
+
+minetest.register_entity("technic:tubed_item", {
+ initial_properties = {
+ hp_max = 1,
+ physical = false,
+ collisionbox = {0,0,0,0,0,0},
+ 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,
+ start_pos={},
+ route={}
+ },
+
+ itemstring = '',
+ physical_state = false,
+
+ 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=0.3, y=0.3}
+ else
+ prop.visual = "wielditem"
+ prop.textures = {itemname}
+ prop.visual_size = {x=0.15, y=0.15}
+ end
+ self.object:set_properties(prop)
+ end,
+
+ get_staticdata = function(self)
+
+ return minetest.serialize({
+ itemstring=self.itemstring,
+ velocity=self.object:getvelocity(),
+ start_pos=self.start_pos
+ })
+ end,
+
+ on_activate = function(self, staticdata)
+-- print (dump(staticdata))
+ if staticdata=="" or staticdata==nil then return end
+ local item = minetest.deserialize(staticdata)
+ local stack = ItemStack(item.itemstring)
+ local itemtable = stack:to_table()
+ local itemname = nil
+ if itemtable then
+ itemname = stack:to_table().name
+ end
+
+ if itemname then
+ self.start_pos=item.start_pos
+ self.object:setvelocity(item.velocity)
+ self.object:setacceleration({x=0, y=0, z=0})
+ self.object:setpos(item.start_pos)
+ end
+ self:set_item(item.itemstring)
+ end,
+
+ on_step = function(self, dtime)
+ if self.start_pos then
+ local pos = self.object:getpos()
+ local node = minetest.env:get_node(pos)
+ local meta = minetest.env:get_meta(pos)
+ tubelike=meta:get_int("tubelike")
+ local stack = ItemStack(self.itemstring)
+ local drop_pos=nil
+
+ local velocity=self.object:getvelocity()
+
+ if velocity==nil then print ("wypadl") return end
+
+ if math.abs(velocity.x)==1 then
+ local next_node=math.abs(pos.x-self.start_pos.x)
+ if next_node >= 1 then
+ self.start_pos.x=self.start_pos.x+velocity.x
+ if check_pos_vector (self.start_pos, velocity)==0 then
+ if check_next_step (self.start_pos, velocity)==0 then
+ drop_pos=minetest.env:find_node_near({x=self.start_pos.x,y=self.start_pos.y,z=self.start_pos.z+velocity.x}, 1, "air")
+ if drop_pos then minetest.item_drop(stack, "", drop_pos) end
+ self.object:remove()
+ end
+ self.object:setpos(self.start_pos)
+ self.object:setvelocity(velocity)
+ return
+ end
+ end
+ end
+
+ if math.abs(velocity.y)==1 then
+ local next_node=math.abs(pos.y-self.start_pos.y)
+ if next_node >= 1 then
+ self.start_pos.y=self.start_pos.y+velocity.y
+ if check_pos_vector (self.start_pos, velocity)==0 then
+ if check_next_step (self.start_pos, velocity)==0 then
+ drop_pos=minetest.env:find_node_near({x=self.start_pos.x+velocity.x,y=self.start_pos.y+velocity.y,z=self.start_pos.z+velocity.z}, 1, "air")
+ if drop_pos then minetest.item_drop(stack, "", drop_pos) end
+ self.object:remove()
+ end
+ self.object:setpos(self.start_pos)
+ self.object:setvelocity(velocity)
+ return
+ end
+ end
+ end
+
+ if math.abs(velocity.z)==1 then
+ local next_node=math.abs(pos.z-self.start_pos.z)
+ if next_node >= 1 then
+ self.start_pos.z=self.start_pos.z+velocity.z
+ if check_pos_vector (self.start_pos, velocity)==0 then
+ if check_next_step (self.start_pos, velocity)==0 then
+ drop_pos=minetest.env:find_node_near({x=self.start_pos.x+velocity.x,y=self.start_pos.y+velocity.y,z=self.start_pos.z+velocity.z}, 1, "air")
+ if drop_pos then minetest.item_drop(stack, "", drop_pos) end
+ self.object:remove()
+ end
+ self.object:setpos(self.start_pos)
+ self.object:setvelocity(velocity)
+ return
+ end
+ end
+ end
+ end
+
+end
+})
+
+
+function check_next_step (pos,velocity)
+local meta
+local tubelike
+
+if velocity.x==0 then
+meta = minetest.env:get_meta({x=pos.x-1,y=pos.y,z=pos.z})
+tubelike=meta:get_int("tubelike")
+if tubelike==1 then velocity.x=-1 velocity.y=0 velocity.z=0 return 1 end
+meta = minetest.env:get_meta({x=pos.x+1,y=pos.y,z=pos.z})
+tubelike=meta:get_int("tubelike")
+if tubelike==1 then velocity.x=1 velocity.y=0 velocity.z=0 return 1 end
+end
+
+if velocity.z==0 then
+meta = minetest.env:get_meta({x=pos.x,y=pos.y,z=pos.z+1})
+tubelike=meta:get_int("tubelike")
+if tubelike==1 then velocity.x=0 velocity.y=0 velocity.z=1 return 1 end
+meta = minetest.env:get_meta({x=pos.x,y=pos.y,z=pos.z-1})
+tubelike=meta:get_int("tubelike")
+if tubelike==1 then velocity.x=0 velocity.y=0 velocity.z=-1 return 1 end
+end
+
+if velocity.y==0 then
+meta = minetest.env:get_meta({x=pos.x,y=pos.y+1,z=pos.z})
+tubelike=meta:get_int("tubelike")
+if tubelike==1 then velocity.x=0 velocity.y=1 velocity.z=0 return 1 end
+meta = minetest.env:get_meta({x=pos.x,y=pos.y-1,z=pos.z})
+tubelike=meta:get_int("tubelike")
+if tubelike==1 then velocity.x=0 velocity.y=-1 velocity.z=0 return 1 end
+end
+
+print ("spadl")
+return 0
+end
+
+function check_pos_vector (pos,velocity)
+added={}
+added.x=pos.x+velocity.x
+added.y=pos.y+velocity.y
+added.z=pos.z+velocity.z
+local meta=minetest.env:get_meta(added)
+--print(dump(added).." : "..tubelike)
+if meta:get_int("tubelike")==1 then return 1 end
+return 0
+end
+
+function add_new_TUBE_node (TUBE_nodes,pos1,parent)
+local i=1
+ repeat
+ if TUBE_nodes[i]==nil then break end
+ if pos1.x==TUBE_nodes[i].x and pos1.y==TUBE_nodes[i].y and pos1.z==TUBE_nodes[i].z then return false end
+ i=i+1
+ until false
+TUBE_nodes[i]={}
+TUBE_nodes[i].x=pos1.x
+TUBE_nodes[i].y=pos1.y
+TUBE_nodes[i].z=pos1.z
+TUBE_nodes[i].parent_x=parent.x
+TUBE_nodes[i].parent_y=parent.y
+TUBE_nodes[i].parent_z=parent.z
+
+return true
+end
+
+function check_TUBE_node (TUBE_nodes,CHEST_nodes,i)
+ local pos1={}
+ local parent={}
+ pos1.x=TUBE_nodes[i].x
+ pos1.y=TUBE_nodes[i].y
+ pos1.z=TUBE_nodes[i].z
+ parent.x=pos1.x
+ parent.y=pos1.y
+ parent.z=pos1.z
+ new_node_added=false
+
+ pos1.x=pos1.x+1
+ check_TUBE_node_subp (TUBE_nodes,CHEST_nodes,pos1,parent)
+ pos1.x=pos1.x-2
+ check_TUBE_node_subp (TUBE_nodes,CHEST_nodes,pos1,parent)
+ pos1.x=pos1.x+1
+
+ pos1.y=pos1.y+1
+ check_TUBE_node_subp (TUBE_nodes,CHEST_nodes,pos1,parent)
+ pos1.y=pos1.y-2
+ check_TUBE_node_subp (TUBE_nodes,CHEST_nodes,pos1,parent)
+ pos1.y=pos1.y+1
+
+ pos1.z=pos1.z+1
+ check_TUBE_node_subp (TUBE_nodes,CHEST_nodes,pos1,parent)
+ pos1.z=pos1.z-2
+ check_TUBE_node_subp (TUBE_nodes,CHEST_nodes,pos1,parent)
+ pos1.z=pos1.z+1
+return new_node_added
+end
+
+function check_TUBE_node_subp (TUBE_nodes,CHEST_nodes,pos1,parent)
+meta = minetest.env:get_meta(pos1)
+if meta:get_float("tubelike")==1 then add_new_TUBE_node(TUBE_nodes,pos1,parent) return end
+nctr = minetest.env:get_node(pos1)
+if minetest.get_item_group(nctr.name, "tubedevice") == 1 then add_new_TUBE_node(CHEST_nodes,pos1,parent) return end
+end
\ No newline at end of file