forked from mtcontrib/pipeworks
360 lines
9.5 KiB
Lua
360 lines
9.5 KiB
Lua
modpath=minetest.get_modpath("pipeworks")
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dofile(modpath.."/compat.lua")
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minetest.register_craftitem("pipeworks:filter", {
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description = "Filter",
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stack_max = 99,
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})
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minetest.register_node("pipeworks:filter", {
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description = "filter",
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tiles = {"filter_top.png", "filter_top.png", "filter_output.png",
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"filter_input.png", "filter_side.png", "filter_top.png"},
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paramtype2 = "facedir",
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groups = {snappy=2,choppy=2,oddly_breakable_by_hand=2,tubedevice=1,mesecon=2},
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legacy_facedir_simple = true,
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sounds = default.node_sound_wood_defaults(),
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on_construct = function(pos)
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local meta = minetest.env:get_meta(pos)
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meta:set_string("formspec",
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"invsize[9,9;]"..
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"list[current_name;main;0,2;8,2;]"..
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"list[current_player;main;0,5;8,4;]")
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meta:set_string("infotext", "Filter")
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local inv = meta:get_inventory()
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inv:set_size("main", 8*4)
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end,
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can_dig = function(pos,player)
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local meta = minetest.env:get_meta(pos);
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local inv = meta:get_inventory()
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return inv:is_empty("main")
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end,
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mesecons={effector={action_on=function(pos,node)
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minetest.registered_nodes[node.name].on_punch(pos,node,nil)
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end}},
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on_punch = function (pos, node, puncher)
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local meta = minetest.env:get_meta(pos);
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local inv = meta:get_inventory()
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local frompos
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local dir
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if node.param2==0 then
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frompos={x=pos.x-1,y=pos.y,z=pos.z}
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dir={x=1,y=0,z=0}
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elseif node.param2==1 then
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frompos={x=pos.x,y=pos.y,z=pos.z+1}
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dir={x=0,y=0,z=-1}
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elseif node.param2==2 then
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frompos={x=pos.x+1,y=pos.y,z=pos.z}
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dir={x=-1,y=0,z=0}
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else
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frompos={x=pos.x,y=pos.y,z=pos.z-1}
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dir={x=0,y=0,z=1}
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end
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local fromnode=minetest.env:get_node(frompos)
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local frominv
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if not (minetest.registered_nodes[fromnode.name].tube and
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minetest.registered_nodes[fromnode.name].tube.input_inventory) then
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return
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end
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local frommeta=minetest.env:get_meta(frompos)
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local frominvname=minetest.registered_nodes[fromnode.name].tube.input_inventory
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local frominv=frommeta:get_inventory()
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for _,filter in ipairs(inv:get_list("main")) do
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local sname=filter:get_name()
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if sname ~="" then
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for spos,stack in ipairs(frominv:get_list(frominvname)) do
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if stack:get_name()==sname then
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item=stack:take_item()
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frominv:set_stack(frominvname,spos,stack)
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pos1=pos
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item1=tube_item({x=pos1.x,y=pos1.y,z=pos1.z},item)
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item1:get_luaentity().start_pos = {x=pos1.x,y=pos1.y,z=pos1.z}
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item1:setvelocity(dir)
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item1:setacceleration({x=0, y=0, z=0})
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return
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end
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end
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end
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end
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if inv:is_empty("main") then
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for spos,stack in ipairs(frominv:get_list(frominvname)) do
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if stack:get_name()~="" then
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item=stack:take_item()
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frominv:set_stack(frominvname,spos,stack)
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pos1=pos
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item1=tube_item({x=pos1.x,y=pos1.y,z=pos1.z},item)
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item1:get_luaentity().start_pos = {x=pos1.x,y=pos1.y,z=pos1.z}
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item1:setvelocity(dir)
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item1:setacceleration({x=0, y=0, z=0})
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return
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end
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end
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end
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end,
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})
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function tube_item(pos, item)
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-- Take item in any format
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local stack = ItemStack(item)
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local obj = minetest.env:add_entity(pos, "pipeworks:tubed_item")
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obj:get_luaentity():set_item(stack:to_string())
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return obj
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end
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minetest.register_entity("pipeworks:tubed_item", {
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initial_properties = {
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hp_max = 1,
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physical = false,
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collisionbox = {0,0,0,0,0,0},
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visual = "sprite",
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visual_size = {x=0.5, y=0.5},
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textures = {""},
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spritediv = {x=1, y=1},
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initial_sprite_basepos = {x=0, y=0},
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is_visible = false,
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start_pos={},
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route={}
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},
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itemstring = '',
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physical_state = false,
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set_item = function(self, itemstring)
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self.itemstring = itemstring
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local stack = ItemStack(itemstring)
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local itemtable = stack:to_table()
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local itemname = nil
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if itemtable then
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itemname = stack:to_table().name
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end
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local item_texture = nil
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local item_type = ""
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if minetest.registered_items[itemname] then
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item_texture = minetest.registered_items[itemname].inventory_image
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item_type = minetest.registered_items[itemname].type
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end
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prop = {
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is_visible = true,
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visual = "sprite",
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textures = {"unknown_item.png"}
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}
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if item_texture and item_texture ~= "" then
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prop.visual = "sprite"
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prop.textures = {item_texture}
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prop.visual_size = {x=0.3, y=0.3}
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else
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prop.visual = "wielditem"
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prop.textures = {itemname}
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prop.visual_size = {x=0.15, y=0.15}
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end
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self.object:set_properties(prop)
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end,
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get_staticdata = function(self)
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return minetest.serialize({
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itemstring=self.itemstring,
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velocity=self.object:getvelocity(),
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start_pos=self.start_pos
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})
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end,
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on_activate = function(self, staticdata)
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if staticdata=="" or staticdata==nil then return end
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local item = minetest.deserialize(staticdata)
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local stack = ItemStack(item.itemstring)
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local itemtable = stack:to_table()
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local itemname = nil
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if itemtable then
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itemname = stack:to_table().name
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end
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if itemname then
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self.start_pos=item.start_pos
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self.object:setvelocity(item.velocity)
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self.object:setacceleration({x=0, y=0, z=0})
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self.object:setpos(item.start_pos)
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end
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self:set_item(item.itemstring)
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end,
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on_step = function(self, dtime)
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if self.start_pos then
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local pos = self.object:getpos()
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local node = minetest.env:get_node(pos)
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local meta = minetest.env:get_meta(pos)
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tubelike=meta:get_int("tubelike")
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local stack = ItemStack(self.itemstring)
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local drop_pos=nil
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local velocity=self.object:getvelocity()
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if velocity==nil then return end
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local velocitycopy={x=velocity.x,y=velocity.y,z=velocity.z}
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local moved=false
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if math.abs(velocity.x)==1 then
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local next_node=math.abs(pos.x-self.start_pos.x)
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if next_node >= 1 then
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self.start_pos.x=self.start_pos.x+velocity.x
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moved=true
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end
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elseif math.abs(velocity.y)==1 then
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local next_node=math.abs(pos.y-self.start_pos.y)
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if next_node >= 1 then
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self.start_pos.y=self.start_pos.y+velocity.y
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moved=true
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end
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elseif math.abs(velocity.z)==1 then
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local next_node=math.abs(pos.z-self.start_pos.z)
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if next_node >= 1 then
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self.start_pos.z=self.start_pos.z+velocity.z
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moved=true
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end
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end
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node = minetest.env:get_node(self.start_pos)
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if moved and minetest.get_item_group(node.name,"tubedevice_receiver")==1 then
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if minetest.registered_nodes[node.name].tube and minetest.registered_nodes[node.name].tube.insert_object then
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leftover = minetest.registered_nodes[node.name].tube.insert_object(self.start_pos,node,stack,velocity)
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else
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leftover = stack
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end
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--drop_pos=minetest.env:find_node_near(self.start_pos,1,"air")
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--if drop_pos and not leftover:is_empty() then minetest.item_drop(leftover,"",drop_pos) end
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--self.object:remove()
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if leftover:is_empty() then
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self.object:remove()
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return
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end
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velocity.x=-velocity.x
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velocity.y=-velocity.y
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velocity.z=-velocity.z
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self.object:setvelocity(velocity)
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self:set_item(leftover:to_string())
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return
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end
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if moved then
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if go_next (self.start_pos, velocity, stack)==0 then
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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")
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if drop_pos then
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minetest.item_drop(stack, "", drop_pos)
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self.object:remove()
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end
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end
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end
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if velocity.x~=velocitycopy.x or velocity.y~=velocitycopy.y or velocity.z~=velocitycopy.z then
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self.object:setpos(self.start_pos)
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self.object:setvelocity(velocity)
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end
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end
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end
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})
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function addVect(pos,vect)
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return {x=pos.x+vect.x,y=pos.y+vect.y,z=pos.z+vect.z}
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end
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adjlist={{x=0,y=0,z=1},{x=0,y=0,z=-1},{x=0,y=1,z=0},{x=0,y=-1,z=0},{x=1,y=0,z=0},{x=-1,y=0,z=0}}
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function go_next(pos,velocity,stack)
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--print(dump(pos))
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local chests={}
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local tubes={}
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local cnode=minetest.env:get_node(pos)
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local cmeta=minetest.env:get_meta(pos)
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local node
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local meta
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local tubelike
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local tube_receiver
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local len=1
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local n
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local can_go
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if minetest.registered_nodes[cnode.name].tube and minetest.registered_nodes[cnode.name].tube.can_go then
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can_go=minetest.registered_nodes[cnode.name].tube.can_go(pos,node,velocity,stack)
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else
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can_go=adjlist
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end
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for _,vect in ipairs(can_go) do
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if vect.x~=-velocity.x or vect.y~=-velocity.y or vect.z~=-velocity.z then
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npos=addVect(pos,vect)
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node=minetest.env:get_node(npos)
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tube_receiver=minetest.get_item_group(node.name,"tubedevice_receiver")
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--tubelike=minetest.get_item_group(node.name,"tubelike")
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meta=minetest.env:get_meta(npos)
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tubelike=meta:get_int("tubelike")
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if tube_receiver==1 then
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if minetest.registered_nodes[node.name].tube and
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minetest.registered_nodes[node.name].tube.can_insert and
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minetest.registered_nodes[node.name].tube.can_insert(npos,node,stack,vect) then
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local i=1
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repeat
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if chests[i]==nil then break end
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i=i+1
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until false
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chests[i]={}
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chests[i].pos=npos
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chests[i].vect=vect
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end
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elseif tubelike==1 then
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local i=1
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repeat
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if tubes[i]==nil then break end
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i=i+1
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until false
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tubes[i]={}
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tubes[i].pos=npos
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tubes[i].vect=vect
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end
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end
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end
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if chests[1]==nil then--no chests found
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if tubes[1]==nil then
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return 0
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else
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local i=1
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repeat
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if tubes[i]==nil then break end
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i=i+1
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until false
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n=meta:get_int("tubedir")+1
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repeat
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if n>=i then
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n=n-i+1
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else
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break
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end
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until false
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meta:set_int("tubedir",n)
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velocity.x=tubes[n].vect.x
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velocity.y=tubes[n].vect.y
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velocity.z=tubes[n].vect.z
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end
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else
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local i=1
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repeat
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if chests[i]==nil then break end
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i=i+1
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until false
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n=meta:get_int("tubedir")+1
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repeat
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if n>=i then
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n=n-i+1
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else
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break
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end
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until false
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velocity.x=chests[n].vect.x
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velocity.y=chests[n].vect.y
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velocity.z=chests[n].vect.z
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end
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return 1
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end |