pipeworks/item_transport.lua

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modpath=minetest.get_modpath("pipeworks")
dofile(modpath.."/compat.lua")
minetest.register_craftitem("pipeworks:filter", {
description = "Filter",
stack_max = 99,
})
minetest.register_node("pipeworks:filter", {
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description = "Filter",
tiles = {"pipeworks_filter_top.png", "pipeworks_filter_top.png", "pipeworks_filter_output.png",
"pipeworks_filter_input.png", "pipeworks_filter_side.png", "pipeworks_filter_top.png"},
paramtype2 = "facedir",
groups = {snappy=2,choppy=2,oddly_breakable_by_hand=2,tubedevice=1,mesecon=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[8,6.5;]"..
"list[current_name;main;0,0;8,2;]"..
"list[current_player;main;0,2.5;8,4;]")
meta:set_string("infotext", "Filter")
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,
after_place_node = function(pos)
tube_scanforobjects(pos)
end,
mesecons={effector={action_on=function(pos,node)
minetest.registered_nodes[node.name].on_punch(pos,node,nil)
end}},
on_punch = function (pos, node, puncher)
local meta = minetest.env:get_meta(pos);
local inv = meta:get_inventory()
local frompos
local dir
if node.param2==0 then
frompos={x=pos.x-1,y=pos.y,z=pos.z}
dir={x=1,y=0,z=0}
elseif node.param2==1 then
frompos={x=pos.x,y=pos.y,z=pos.z+1}
dir={x=0,y=0,z=-1}
elseif node.param2==2 then
frompos={x=pos.x+1,y=pos.y,z=pos.z}
dir={x=-1,y=0,z=0}
else
frompos={x=pos.x,y=pos.y,z=pos.z-1}
dir={x=0,y=0,z=1}
end
local fromnode=minetest.env:get_node(frompos)
local frominv
if not (minetest.registered_nodes[fromnode.name].tube and
minetest.registered_nodes[fromnode.name].tube.input_inventory) then
return
end
local frommeta=minetest.env:get_meta(frompos)
local frominvname=minetest.registered_nodes[fromnode.name].tube.input_inventory
local frominv=frommeta:get_inventory()
for _,filter in ipairs(inv:get_list("main")) do
local sname=filter:get_name()
if sname ~="" then
for spos,stack in ipairs(frominv:get_list(frominvname)) do
if stack:get_name()==sname then
item=stack:take_item()
frominv:set_stack(frominvname,spos,stack)
pos1=pos
item1=tube_item({x=pos1.x,y=pos1.y,z=pos1.z},item)
item1:get_luaentity().start_pos = {x=pos1.x,y=pos1.y,z=pos1.z}
item1:setvelocity(dir)
item1:setacceleration({x=0, y=0, z=0})
return
end
end
end
end
if inv:is_empty("main") then
for spos,stack in ipairs(frominv:get_list(frominvname)) do
if stack:get_name()~="" then
item=stack:take_item()
frominv:set_stack(frominvname,spos,stack)
pos1=pos
item1=tube_item({x=pos1.x,y=pos1.y,z=pos1.z},item)
item1:get_luaentity().start_pos = {x=pos1.x,y=pos1.y,z=pos1.z}
item1:setvelocity(dir)
item1:setacceleration({x=0, y=0, z=0})
return
end
end
end
end,
})
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minetest.register_craftitem("pipeworks:mese_filter", {
description = "Mese filter",
stack_max = 99,
})
minetest.register_node("pipeworks:mese_filter", {
description = "Mese filter",
tiles = {"pipeworks_mese_filter_top.png", "pipeworks_mese_filter_top.png", "pipeworks_mese_filter_output.png",
"pipeworks_mese_filter_input.png", "pipeworks_mese_filter_side.png", "pipeworks_mese_filter_top.png"},
paramtype2 = "facedir",
groups = {snappy=2,choppy=2,oddly_breakable_by_hand=2,tubedevice=1,mesecon=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[8,6.5;]"..
"list[current_name;main;0,0;8,2;]"..
"list[current_player;main;0,2.5;8,4;]")
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meta:set_string("infotext", "Mese filter")
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,
mesecons={effector={action_on=function(pos,node)
minetest.registered_nodes[node.name].on_punch(pos,node,nil)
end}},
on_punch = function (pos, node, puncher)
local meta = minetest.env:get_meta(pos);
local inv = meta:get_inventory()
local frompos
local dir
if node.param2==0 then
frompos={x=pos.x-1,y=pos.y,z=pos.z}
dir={x=1,y=0,z=0}
elseif node.param2==1 then
frompos={x=pos.x,y=pos.y,z=pos.z+1}
dir={x=0,y=0,z=-1}
elseif node.param2==2 then
frompos={x=pos.x+1,y=pos.y,z=pos.z}
dir={x=-1,y=0,z=0}
else
frompos={x=pos.x,y=pos.y,z=pos.z-1}
dir={x=0,y=0,z=1}
end
local fromnode=minetest.env:get_node(frompos)
local frominv
if not (minetest.registered_nodes[fromnode.name].tube and
minetest.registered_nodes[fromnode.name].tube.input_inventory) then
return
end
local frommeta=minetest.env:get_meta(frompos)
local frominvname=minetest.registered_nodes[fromnode.name].tube.input_inventory
local frominv=frommeta:get_inventory()
for _,filter in ipairs(inv:get_list("main")) do
local sname=filter:get_name()
if sname ~="" then
for spos,stack in ipairs(frominv:get_list(frominvname)) do
if stack:get_name()==sname then
item=stack:take_item(stack:get_count())
frominv:set_stack(frominvname,spos,stack)
pos1=pos
item1=tube_item({x=pos1.x,y=pos1.y,z=pos1.z},item)
item1:get_luaentity().start_pos = {x=pos1.x,y=pos1.y,z=pos1.z}
item1:setvelocity(dir)
item1:setacceleration({x=0, y=0, z=0})
return
end
end
end
end
if inv:is_empty("main") then
for spos,stack in ipairs(frominv:get_list(frominvname)) do
if stack:get_name()~="" then
item=stack:take_item(stack:get_count())
frominv:set_stack(frominvname,spos,stack)
pos1=pos
item1=tube_item({x=pos1.x,y=pos1.y,z=pos1.z},item)
item1:get_luaentity().start_pos = {x=pos1.x,y=pos1.y,z=pos1.z}
item1:setvelocity(dir)
item1:setacceleration({x=0, y=0, z=0})
return
end
end
end
end,
})
function tube_item(pos, item)
-- Take item in any format
local stack = ItemStack(item)
local obj = minetest.env:add_entity(pos, "pipeworks:tubed_item")
obj:get_luaentity():set_item(stack:to_string())
return obj
end
minetest.register_entity("pipeworks: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)
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if self.start_pos==nil then return end
local velocity=self.object:getvelocity()
--self.object:setvelocity({x=0,y=0,z=0})
self.object:setpos(self.start_pos)
return minetest.serialize({
itemstring=self.itemstring,
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velocity=velocity,
start_pos=self.start_pos
})
end,
on_activate = function(self, 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 return end
local velocitycopy={x=velocity.x,y=velocity.y,z=velocity.z}
local moved=false
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local speed=math.abs(velocity.x+velocity.y+velocity.z)
local vel={x=velocity.x/speed,y=velocity.y/speed,z=velocity.z/speed}
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if math.abs(vel.x)==1 then
local next_node=math.abs(pos.x-self.start_pos.x)
if next_node >= 1 then
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self.start_pos.x=self.start_pos.x+vel.x
moved=true
end
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elseif math.abs(vel.y)==1 then
local next_node=math.abs(pos.y-self.start_pos.y)
if next_node >= 1 then
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self.start_pos.y=self.start_pos.y+vel.y
moved=true
end
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elseif math.abs(vel.z)==1 then
local next_node=math.abs(pos.z-self.start_pos.z)
if next_node >= 1 then
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self.start_pos.z=self.start_pos.z+vel.z
moved=true
end
end
local sposcopy={x=self.start_pos.x,y=self.start_pos.y,z=self.start_pos.z}
node = minetest.env:get_node(self.start_pos)
if moved and minetest.get_item_group(node.name,"tubedevice_receiver")==1 then
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,vel)
else
leftover = stack
end
--drop_pos=minetest.env:find_node_near(self.start_pos,1,"air")
--if drop_pos and not leftover:is_empty() then minetest.item_drop(leftover,"",drop_pos) end
--self.object:remove()
if leftover:is_empty() then
self.object:remove()
return
end
velocity.x=-velocity.x
velocity.y=-velocity.y
velocity.z=-velocity.z
self.object:setvelocity(velocity)
self:set_item(leftover:to_string())
return
end
if moved then
if go_next (self.start_pos, velocity, stack)==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)
self.object:remove()
end
end
end
if velocity.x~=velocitycopy.x or velocity.y~=velocitycopy.y or velocity.z~=velocitycopy.z or
self.start_pos.x~=sposcopy.x or self.start_pos.y~=sposcopy.y or self.start_pos.z~=sposcopy.z then
self.object:setpos(self.start_pos)
self.object:setvelocity(velocity)
end
end
end
})
function addVect(pos,vect)
return {x=pos.x+vect.x,y=pos.y+vect.y,z=pos.z+vect.z}
end
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}}
function notvel(tbl,vel)
tbl2={}
for _,val in ipairs(tbl) do
if val.x~=-vel.x or val.y~=-vel.y or val.z~=-vel.z then table.insert(tbl2,val) end
end
return tbl2
end
function go_next(pos,velocity,stack)
local chests={}
local tubes={}
local cnode=minetest.env:get_node(pos)
local cmeta=minetest.env:get_meta(pos)
local node
local meta
local tubelike
local tube_receiver
local len=1
local n
local can_go
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local speed=math.abs(velocity.x+velocity.y+velocity.z)
local vel={x=velocity.x/speed,y=velocity.y/speed,z=velocity.z/speed,speed=speed}
if speed>=4.1 then
speed=4
elseif speed>=1.1 then
speed=speed-0.1
else
speed=1
end
vel.speed=speed
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if minetest.registered_nodes[cnode.name] and 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,vel,stack)
else
can_go=notvel(adjlist,vel)
end
for _,vect in ipairs(can_go) do
npos=addVect(pos,vect)
node=minetest.env:get_node(npos)
tube_receiver=minetest.get_item_group(node.name,"tubedevice_receiver")
meta=minetest.env:get_meta(npos)
tubelike=meta:get_int("tubelike")
if tube_receiver==1 then
if minetest.registered_nodes[node.name].tube and
minetest.registered_nodes[node.name].tube.can_insert and
minetest.registered_nodes[node.name].tube.can_insert(npos,node,stack,vect) then
local i=1
repeat
if chests[i]==nil then break end
i=i+1
until false
chests[i]={}
chests[i].pos=npos
chests[i].vect=vect
end
elseif tubelike==1 then
local i=1
repeat
if tubes[i]==nil then break end
i=i+1
until false
tubes[i]={}
tubes[i].pos=npos
tubes[i].vect=vect
end
end
if chests[1]==nil then--no chests found
if tubes[1]==nil then
return 0
else
local i=1
repeat
if tubes[i]==nil then break end
i=i+1
until false
n=meta:get_int("tubedir")+1
repeat
if n>=i then
n=n-i+1
else
break
end
until false
meta:set_int("tubedir",n)
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velocity.x=tubes[n].vect.x*vel.speed
velocity.y=tubes[n].vect.y*vel.speed
velocity.z=tubes[n].vect.z*vel.speed
end
else
local i=1
repeat
if chests[i]==nil then break end
i=i+1
until false
n=meta:get_int("tubedir")+1
repeat
if n>=i then
n=n-i+1
else
break
end
until false
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velocity.x=chests[n].vect.x*speed
velocity.y=chests[n].vect.y*speed
velocity.z=chests[n].vect.z*speed
end
return 1
end