src/mechanisms.lua

   1 -- Thanks to sofar for helping with that code.
   2
   3 minetest.setting_set("nodetimer_interval", 0.1)
   4
   5 local plate = {}
   6 screwdriver = screwdriver or {}
   7
   8 local function door_toggle(pos_actuator, pos_door, player)
   9         local player_name = player:get_player_name()
  10         local actuator = minetest.get_node(pos_actuator)
  11         local door = doors.get(pos_door)
  12
  13         if actuator.name:sub(-4) == "_off" then
  14                 minetest.set_node(pos_actuator,
  15                         {name=actuator.name:gsub("_off", "_on"), param2=actuator.param2})
  16         end
  17         door:open(player)
  18
  19         minetest.after(2, function()
  20                 if minetest.get_node(pos_actuator).name:sub(-3) == "_on" then
  21                         minetest.set_node(pos_actuator,
  22                                 {name=actuator.name, param2=actuator.param2})
  23                 end
  24                 -- Re-get player object (or nil) because 'player' could
  25                 -- be an invalid object at this time (player left)
  26                 door:close(minetest.get_player_by_name(player_name))
  27         end)
  28 end
  29
  30 function plate.construct(pos)
  31         local timer = minetest.get_node_timer(pos)
  32         timer:start(0.1)
  33 end
  34
  35 function plate.timer(pos)
  36         local objs = minetest.get_objects_inside_radius(pos, 0.8)
  37         if not next(objs) or not doors.get then return true end
  38         local minp = {x=pos.x-2, y=pos.y, z=pos.z-2}
  39         local maxp = {x=pos.x+2, y=pos.y, z=pos.z+2}
  40         local doors = minetest.find_nodes_in_area(minp, maxp, "group:door")
  41
  42         for _, player in pairs(objs) do
  43                 if player:is_player() then
  44                         for i=1, #doors do
  45                                 door_toggle(pos, doors[i], player)
  46                         end
  47                         break
  48                 end
  49         end
  50         return true
  51 end
  52
  53 function plate.register(material, desc, def)
  54         xdecor.register("pressure_"..material.."_off", {
  55                 description = desc.." Pressure Plate",
  56                 tiles = {"xdecor_pressure_"..material..".png"},
  57                 drawtype = "nodebox",
  58                 node_box = xdecor.pixelbox(16, {{1, 0, 1, 14, 1, 14}}),
  59                 groups = def.groups,
  60                 sounds = def.sounds,
  61                 sunlight_propagates = true,
  62                 on_rotate = screwdriver.rotate_simple,
  63                 on_construct = plate.construct,
  64                 on_timer = plate.timer
  65         })
  66         xdecor.register("pressure_"..material.."_on", {
  67                 tiles = {"xdecor_pressure_"..material..".png"},
  68                 drawtype = "nodebox",
  69                 node_box = xdecor.pixelbox(16, {{1, 0, 1, 14, 0.4, 14}}),
  70                 groups = def.groups,
  71                 sounds = def.sounds,
  72                 drop = "xdecor:pressure_"..material.."_off",
  73                 sunlight_propagates = true,
  74                 on_rotate = screwdriver.rotate_simple
  75         })
  76 end
  77
  78 plate.register("wood", "Wooden", {
  79         sounds = default.node_sound_wood_defaults(),
  80         groups = {choppy=3, oddly_breakable_by_hand=2, flammable=2}
  81 })
  82
  83 plate.register("stone", "Stone", {
  84         sounds = default.node_sound_stone_defaults(),
  85         groups = {cracky=3, oddly_breakable_by_hand=2}
  86 })
  87
  88 xdecor.register("lever_off", {
  89         description = "Lever",
  90         tiles = {"xdecor_lever_off.png"},
  91         drawtype = "nodebox",
  92         node_box = xdecor.pixelbox(16, {{2, 1, 15, 12, 14, 1}}),
  93         groups = {cracky=3, oddly_breakable_by_hand=2},
  94         sounds = default.node_sound_stone_defaults(),
  95         sunlight_propagates = true,
  96         on_rotate = screwdriver.rotate_simple,
  97         on_rightclick = function(pos, node, clicker, itemstack)
  98                 if not doors.get then return itemstack end
  99                 local minp = {x=pos.x-2, y=pos.y-1, z=pos.z-2}
 100                 local maxp = {x=pos.x+2, y=pos.y+1, z=pos.z+2}
 101                 local doors = minetest.find_nodes_in_area(minp, maxp, "group:door")
 102
 103                 for i=1, #doors do
 104                         door_toggle(pos, doors[i], clicker)
 105                 end
 106                 return itemstack
 107         end
 108 })
 109
 110 xdecor.register("lever_on", {
 111         tiles = {"xdecor_lever_on.png"},
 112         drawtype = "nodebox",
 113         node_box = xdecor.pixelbox(16, {{2, 1, 15, 12, 14, 1}}),
 114         groups = {cracky=3, oddly_breakable_by_hand=2, not_in_creative_inventory=1},
 115         sounds = default.node_sound_stone_defaults(),
 116         sunlight_propagates = true,
 117         on_rotate = screwdriver.rotate_simple,
 118         drop = "xdecor:lever_off"
 119 })
 120
 121 -- Recipes
 122
 123 minetest.register_craft({
 124         output = "xdecor:pressure_stone_off",
 125         type = "shapeless",
 126         recipe = {"group:stone", "group:stone"}
 127 })
 128
 129 minetest.register_craft({
 130         output = "xdecor:pressure_wood_off",
 131         type = "shapeless",
 132         recipe = {"group:wood", "group:wood"}
 133 })
 134
 135 minetest.register_craft({
 136         output = "xdecor:lever_off",
 137         recipe = {
 138                 {"group:stick"},
 139                 {"group:stone"}
 140         }
 141 })