initial Injector upload
authorMaciej Kasatkin <mk@realbadangel.pl>
Sat, 22 Sep 2012 03:33:24 +0000 (05:33 +0200)
committerMaciej Kasatkin <mk@realbadangel.pl>
Sat, 22 Sep 2012 03:33:24 +0000 (05:33 +0200)
injector.lua [new file with mode: 0644]

diff --git a/injector.lua b/injector.lua
new file mode 100644 (file)
index 0000000..3dacd5f
--- /dev/null
@@ -0,0 +1,325 @@
+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
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