src/mechanisms.lua

   1 --[[ Thanks to sofar for helping with that code.
   2 Recommended setting in minetest.conf (requires 0.4.14 or newer) :
   3         nodetimer_interval = 0.1
   4 ]]
   5
   6 local plate = {}
   7 screwdriver = screwdriver or {}
   8
   9 local function door_toggle(pos_actuator, pos_door, player)
  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                 door:close(player)
  25         end)
  26 end
  27
  28 function plate.construct(pos)
  29         local timer = minetest.get_node_timer(pos)
  30         timer:start(0.1)
  31 end
  32
  33 function plate.timer(pos)
  34         local objs = minetest.get_objects_inside_radius(pos, 0.8)
  35         if not next(objs) or not doors.get then return true end
  36         local minp = {x=pos.x-2, y=pos.y, z=pos.z-2}
  37         local maxp = {x=pos.x+2, y=pos.y, z=pos.z+2}
  38         local doors = minetest.find_nodes_in_area(minp, maxp, "group:door")
  39
  40         for _, player in pairs(objs) do
  41                 if player:is_player() then
  42                         for i=1, #doors do
  43                                 door_toggle(pos, doors[i], player)
  44                         end
  45                         break
  46                 end
  47         end
  48         return true
  49 end
  50
  51 function plate.register(material, desc, def)
  52         xdecor.register("pressure_"..material.."_off", {
  53                 description = desc.." Pressure Plate",
  54                 tiles = {"xdecor_pressure_"..material..".png"},
  55                 drawtype = "nodebox",
  56                 node_box = xdecor.pixelbox(16, {{1, 0, 1, 14, 1, 14}}),
  57                 groups = def.groups,
  58                 sounds = def.sounds,
  59                 sunlight_propagates = true,
  60                 on_rotate = screwdriver.rotate_simple,
  61                 on_construct = plate.construct,
  62                 on_timer = plate.timer
  63         })
  64         xdecor.register("pressure_"..material.."_on", {
  65                 tiles = {"xdecor_pressure_"..material..".png"},
  66                 drawtype = "nodebox",
  67                 node_box = xdecor.pixelbox(16, {{1, 0, 1, 14, 0.4, 14}}),
  68                 groups = def.groups,
  69                 sounds = def.sounds,
  70                 drop = "xdecor:pressure_"..material.."_off",
  71                 sunlight_propagates = true,
  72                 on_rotate = screwdriver.rotate_simple
  73         })
  74 end
  75
  76 plate.register("wood", "Wooden", {
  77         sounds = default.node_sound_wood_defaults(),
  78         groups = {choppy=3, oddly_breakable_by_hand=2, flammable=2}
  79 })
  80
  81 plate.register("stone", "Stone", {
  82         sounds = default.node_sound_stone_defaults(),
  83         groups = {cracky=3, oddly_breakable_by_hand=2}
  84 })
  85
  86 xdecor.register("lever_off", {
  87         description = "Lever",
  88         tiles = {"xdecor_lever_off.png"},
  89         drawtype = "nodebox",
  90         node_box = xdecor.pixelbox(16, {{2, 1, 15, 12, 14, 1}}),
  91         groups = {cracky=3, oddly_breakable_by_hand=2},
  92         sounds = default.node_sound_stone_defaults(),
  93         sunlight_propagates = true,
  94         on_rotate = screwdriver.rotate_simple,
  95         on_rightclick = function(pos, node, clicker, itemstack)
  96                 if not doors.get then return itemstack end
  97                 local minp = {x=pos.x-2, y=pos.y-1, z=pos.z-2}
  98                 local maxp = {x=pos.x+2, y=pos.y+1, z=pos.z+2}
  99                 local doors = minetest.find_nodes_in_area(minp, maxp, "group:door")
 100
 101                 for i=1, #doors do
 102                         door_toggle(pos, doors[i], clicker)
 103                 end
 104                 return itemstack
 105         end
 106 })
 107
 108 xdecor.register("lever_on", {
 109         tiles = {"xdecor_lever_on.png"},
 110         drawtype = "nodebox",
 111         node_box = xdecor.pixelbox(16, {{2, 1, 15, 12, 14, 1}}),
 112         groups = {cracky=3, oddly_breakable_by_hand=2, not_in_creative_inventory=1},
 113         sounds = default.node_sound_stone_defaults(),
 114         sunlight_propagates = true,
 115         on_rotate = screwdriver.rotate_simple,
 116         drop = "xdecor:lever_off"
 117 })
 118