Add one way tube

diff --git a/default_settings.txt b/default_settings.txt
index d179e67008152c87deb5465580647692f8e08112..eb09043463ab110332c1dfb82041905c3cc10a2e 100644 (file)
--- a/default_settings.txt
+++ b/default_settings.txt
@@ -14,4 +14,4 @@ enable_accelerator_tube = true
 enable_crossing_tube = true
 enable_sand_tube = true
 enable_mese_sand_tube = true
-
+enable_one_way_tube = true

diff --git a/textures/pipeworks_one_way_tube_input.png b/textures/pipeworks_one_way_tube_input.png
new file mode 100644 (file)
index 0000000..3968c0d
Binary files /dev/null and b/textures/pipeworks_one_way_tube_input.png differ

diff --git a/textures/pipeworks_one_way_tube_output.png b/textures/pipeworks_one_way_tube_output.png
new file mode 100644 (file)
index 0000000..7dc5910
Binary files /dev/null and b/textures/pipeworks_one_way_tube_output.png differ

diff --git a/textures/pipeworks_one_way_tube_side.png b/textures/pipeworks_one_way_tube_side.png
new file mode 100644 (file)
index 0000000..044e4f4
Binary files /dev/null and b/textures/pipeworks_one_way_tube_side.png differ

diff --git a/textures/pipeworks_one_way_tube_top.png b/textures/pipeworks_one_way_tube_top.png
new file mode 100644 (file)
index 0000000..bb54e45
Binary files /dev/null and b/textures/pipeworks_one_way_tube_top.png differ

diff --git a/tubes.lua b/tubes.lua
index 787001d1abcaf4e67d58a4a00626ed48bb311ba7..7056c4bdaa6fddb3b9fb24918a0af5a229e459d6 100644 (file)
--- a/tubes.lua
+++ b/tubes.lua
@@ -249,8 +249,6 @@ inv_texture="pipeworks_tube_inv.png"
 
 register_tube("pipeworks:tube","Pneumatic tube segment",plain_textures,noctr_textures,end_textures,short_texture,inv_texture)
 
-
-
 if enable_mese_tube then
 
        mese_noctr_textures={"pipeworks_mese_tube_noctr_1.png","pipeworks_mese_tube_noctr_2.png","pipeworks_mese_tube_noctr_3.png",
@@ -578,3 +576,80 @@ if enable_mese_sand_tube then
                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
+
+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
+
+if enable_one_way_tube then
+       minetest.register_node("pipeworks:one_way_tube", {
+               description = "One way tube",
+               tiles = {"pipeworks_one_way_tube_top.png", "pipeworks_one_way_tube_top.png", "pipeworks_one_way_tube_output.png",
+                       "pipeworks_one_way_tube_input.png", "pipeworks_one_way_tube_side.png", "pipeworks_one_way_tube_top.png"},
+               paramtype2 = "facedir",
+               drawtype = "nodebox",
+               node_box = {type="fixed",
+                               fixed = {{-1/2, -9/64, -9/64, 1/2, 9/64, 9/64}}},
+               groups = {snappy=2,choppy=2,oddly_breakable_by_hand=2,tubedevice=1,tubedevice_receiver=1},
+               legacy_facedir_simple = true,
+               sounds = default.node_sound_wood_defaults(),
+               after_place_node = function(pos)
+                       tube_scanforobjects(pos)
+               end,
+               after_dig_node = function(pos)
+                       tube_scanforobjects(pos)
+               end,
+               tube={connect_sides={left=1, right=1},
+                       can_go=function(pos,node,velocity,stack)
+                                       return velocity
+                               end,
+                       insert_object = function(pos,node,stack,direction)
+                               item1=tube_item(pos,stack)
+                               item1:get_luaentity().start_pos = pos
+                               item1:setvelocity(direction)
+                               item1:setacceleration({x=0, y=0, z=0})
+                               return ItemStack("")
+                       end,
+                       can_insert=function(pos,node,stack,direction)
+                               local dir = facedir_to_right_dir(node.param2)
+                               if dir.x == direction.x and dir.y == direction.y and dir.z == direction.z then
+                                       return true
+                               end
+                               return false
+                       end},
+       })
+end