mirror of
https://github.com/mt-mods/pipeworks.git
synced 2024-12-24 18:00:22 +01:00
581 lines
16 KiB
Lua
581 lines
16 KiB
Lua
modpath=minetest.get_modpath("pipeworks")
|
|
|
|
dofile(modpath.."/compat.lua")
|
|
|
|
--define the functions from https://github.com/minetest/minetest/pull/834 while waiting for the devs to notice it
|
|
local function dir_to_facedir(dir, is6d)
|
|
--account for y if requested
|
|
if is6d and math.abs(dir.y) > math.abs(dir.x) and math.abs(dir.y) > math.abs(dir.z) then
|
|
|
|
--from above
|
|
if dir.y < 0 then
|
|
if math.abs(dir.x) > math.abs(dir.z) then
|
|
if dir.x < 0 then
|
|
return 19
|
|
else
|
|
return 13
|
|
end
|
|
else
|
|
if dir.z < 0 then
|
|
return 10
|
|
else
|
|
return 4
|
|
end
|
|
end
|
|
|
|
--from below
|
|
else
|
|
if math.abs(dir.x) > math.abs(dir.z) then
|
|
if dir.x < 0 then
|
|
return 15
|
|
else
|
|
return 17
|
|
end
|
|
else
|
|
if dir.z < 0 then
|
|
return 6
|
|
else
|
|
return 8
|
|
end
|
|
end
|
|
end
|
|
|
|
--otherwise, place horizontally
|
|
elseif math.abs(dir.x) > math.abs(dir.z) then
|
|
if dir.x < 0 then
|
|
return 3
|
|
else
|
|
return 1
|
|
end
|
|
else
|
|
if dir.z < 0 then
|
|
return 2
|
|
else
|
|
return 0
|
|
end
|
|
end
|
|
end
|
|
|
|
local function facedir_to_dir(facedir)
|
|
--a table of possible dirs
|
|
return ({{x=0, y=0, z=1},
|
|
{x=1, y=0, z=0},
|
|
{x=0, y=0, z=-1},
|
|
{x=-1, y=0, z=0},
|
|
{x=0, y=-1, z=0},
|
|
{x=0, y=1, z=0}})
|
|
|
|
--indexed into by a table of correlating facedirs
|
|
[({[0]=1, 2, 3, 4,
|
|
5, 2, 6, 4,
|
|
6, 2, 5, 4,
|
|
1, 5, 3, 6,
|
|
1, 6, 3, 5,
|
|
1, 4, 3, 2})
|
|
|
|
--indexed into by the facedir in question
|
|
[facedir]]
|
|
end
|
|
|
|
--and an extra function for getting the right-facing vector
|
|
local function facedir_to_right_dir(facedir)
|
|
|
|
--find the other directions
|
|
local backdir = facedir_to_dir(facedir)
|
|
local topdir = ({[0]={x=0, y=1, z=0},
|
|
{x=0, y=0, z=1},
|
|
{x=0, y=0, z=-1},
|
|
{x=1, y=0, z=0},
|
|
{x=-1, y=0, z=0},
|
|
{x=0, y=-1, z=0}})[math.floor(facedir/4)]
|
|
|
|
--return a cross product
|
|
return {x=topdir.y*backdir.z - backdir.y*topdir.z,
|
|
y=topdir.z*backdir.x - backdir.z*topdir.x,
|
|
z=topdir.x*backdir.y - backdir.x*topdir.y}
|
|
end
|
|
|
|
minetest.register_craftitem("pipeworks:filter", {
|
|
description = "Filter",
|
|
stack_max = 99,
|
|
})
|
|
|
|
local fakePlayer = {
|
|
get_player_name = function() return ":pipeworks" end,
|
|
-- any other player functions called by allow_metadata_inventory_take anywhere...
|
|
-- perhaps a custom metaclass that errors specially when fakePlayer.<property> is not found?
|
|
}
|
|
|
|
-- adding two tube functions
|
|
-- can_remove(pos,node,stack,dir) returns true if an item can be removed from that stack on that node
|
|
-- remove_items(pos,node,stack,dir,count) removes count items and returns them
|
|
-- both optional w/ sensible defaults and fallback to normal allow_* function
|
|
-- XXX: possibly change insert_object to insert_item
|
|
|
|
-- sname = the current name to allow for, or nil if it allows anything
|
|
|
|
function grabAndFire(frominv,frominvname,frompos,fromnode,sname,tube,idef,dir,all)
|
|
for spos,stack in ipairs(frominv:get_list(frominvname)) do
|
|
if ( sname == nil and stack:get_name() ~= "") or stack:get_name()==sname then
|
|
local doRemove = true
|
|
if tube.can_remove then
|
|
doRemove = tube.can_remove(frompos, fromnode, stack, dir)
|
|
elseif idef.allow_metadata_inventory_take then
|
|
doRemove = idef.allow_metadata_inventory_take(frompos,"main",spos, stack, fakePlayer)
|
|
end
|
|
-- stupid lack of continue statements grumble
|
|
if doRemove then
|
|
local item
|
|
local count
|
|
if all then
|
|
count = stack:get_count()
|
|
else
|
|
count = 1
|
|
end
|
|
if tube.remove_items then
|
|
-- it could be the entire stack...
|
|
item=tube.remove_items(frompos,fromnode,stack,dir,count)
|
|
else
|
|
item=stack:take_item(count)
|
|
frominv:set_stack(frominvname,spos,stack)
|
|
if idef.on_metadata_inventory_take then
|
|
idef.on_metadata_inventory_take(frompos, "main", spos, item, fakePlayer)
|
|
end
|
|
end
|
|
item1=tube_item(frompos,item)
|
|
item1:get_luaentity().start_pos = frompos
|
|
item1:setvelocity(dir)
|
|
item1:setacceleration({x=0, y=0, z=0})
|
|
return -- only fire one item, please
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
minetest.register_node("pipeworks:filter", {
|
|
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.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.get_meta(pos);
|
|
local inv = meta:get_inventory()
|
|
return inv:is_empty("main")
|
|
end,
|
|
after_place_node = function(pos)
|
|
tube_scanforobjects(pos)
|
|
end,
|
|
after_dig_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}},
|
|
tube={connect_sides={right=1}},
|
|
on_punch = function (pos, node, puncher)
|
|
local meta = minetest.get_meta(pos);
|
|
local inv = meta:get_inventory()
|
|
local dir = facedir_to_right_dir(node.param2)
|
|
local frompos = {x=pos.x - dir.x, y=pos.y - dir.y, z=pos.z - dir.z}
|
|
local fromnode=minetest.get_node(frompos)
|
|
if not fromnode then return end
|
|
local frominv
|
|
local idef = minetest.registered_nodes[fromnode.name]
|
|
-- assert(idef)
|
|
local tube = idef.tube
|
|
if not (tube and tube.input_inventory) then
|
|
return
|
|
end
|
|
local frommeta=minetest.get_meta(frompos)
|
|
local frominvname=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
|
|
-- XXX: that's a lot of parameters
|
|
grabAndFire(frominv,frominvname,frompos,fromnode,sname,tube,idef,dir)
|
|
end
|
|
end
|
|
if inv:is_empty("main") then
|
|
grabAndFire(frominv,frominvname,frompos,fromnode,nil,tube,idef,dir)
|
|
end
|
|
end,
|
|
})
|
|
|
|
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.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", "Mese filter")
|
|
local inv = meta:get_inventory()
|
|
inv:set_size("main", 8*4)
|
|
end,
|
|
can_dig = function(pos,player)
|
|
local meta = minetest.get_meta(pos);
|
|
local inv = meta:get_inventory()
|
|
return inv:is_empty("main")
|
|
end,
|
|
after_place_node = function(pos)
|
|
tube_scanforobjects(pos)
|
|
end,
|
|
after_dig_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}},
|
|
tube={connect_sides={right=1}},
|
|
on_punch = function (pos, node, puncher)
|
|
local meta = minetest.get_meta(pos);
|
|
local inv = meta:get_inventory()
|
|
local dir = facedir_to_right_dir(node.param2)
|
|
local frompos = {x=pos.x - dir.x, y=pos.y - dir.y, z=pos.z - dir.z}
|
|
local fromnode=minetest.get_node(frompos)
|
|
local frominv
|
|
local idef = minetest.registered_nodes[fromnode.name]
|
|
-- assert(idef)
|
|
local tube = idef.tube
|
|
if not (tube and tube.input_inventory) then
|
|
return
|
|
end
|
|
local frommeta=minetest.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
|
|
grabAndFire(frominv,frominvname,frompos,fromnode,sname,tube,idef,dir,true)
|
|
end
|
|
end
|
|
if inv:is_empty("main") then
|
|
grabAndFire(frominv,frominvname,frompos,fromnode,sname,tube,idef,dir,true)
|
|
end
|
|
end,
|
|
})
|
|
|
|
function tube_item(pos, item)
|
|
-- Take item in any format
|
|
local stack = ItemStack(item)
|
|
local obj = minetest.add_entity(pos, "pipeworks:tubed_item")
|
|
obj:get_luaentity():set_item(stack:to_string())
|
|
return obj
|
|
end
|
|
|
|
local function roundpos(pos)
|
|
return {x=math.floor(pos.x+0.5),y=math.floor(pos.y+0.5),z=math.floor(pos.z+0.5)}
|
|
end
|
|
|
|
minetest.register_entity("pipeworks:tubed_item", {
|
|
initial_properties = {
|
|
hp_max = 1,
|
|
physical = false,
|
|
-- collisionbox = {0,0,0,0,0,0},
|
|
collisionbox = {0.1,0.1,0.1,0.1,0.1,0.1},
|
|
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)
|
|
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,
|
|
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==nil then
|
|
local pos = self.object:getpos()
|
|
self.start_pos=roundpos(pos)
|
|
end
|
|
local pos = self.object:getpos()
|
|
local node = minetest.get_node(pos)
|
|
local meta = minetest.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
|
|
local speed=math.abs(velocity.x+velocity.y+velocity.z)
|
|
local vel={x=velocity.x/speed,y=velocity.y/speed,z=velocity.z/speed}
|
|
|
|
if math.abs(vel.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+vel.x
|
|
moved=true
|
|
end
|
|
elseif math.abs(vel.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+vel.y
|
|
moved=true
|
|
end
|
|
elseif math.abs(vel.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+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.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
|
|
leftover = minetest.registered_nodes[node.name].tube.insert_object(self.start_pos,node,stack,vel)
|
|
else
|
|
leftover = stack
|
|
end
|
|
--drop_pos=minetest.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.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
|
|
})
|
|
|
|
|
|
local 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.get_node(pos)
|
|
local cmeta=minetest.get_meta(pos)
|
|
local node
|
|
local meta
|
|
local tubelike
|
|
local tube_receiver
|
|
local len=1
|
|
local n
|
|
local can_go
|
|
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
|
|
if minetest.registered_nodes[cnode.name] and minetest.registered_nodes[cnode.name].tube and minetest.registered_nodes[cnode.name].tube.can_go then
|
|
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.get_node(npos)
|
|
tube_receiver=minetest.get_item_group(node.name,"tubedevice_receiver")
|
|
meta=minetest.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
|
|
if CYCLIC then
|
|
meta:set_int("tubedir",n)
|
|
end
|
|
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
|
|
if CYCLIC then
|
|
meta:set_int("tubedir",n)
|
|
end
|
|
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
|