mods/ITEMS/REDSTONE/mesecons_pressureplates/init.lua

   1 local PRESSURE_PLATE_INTERVAL = 0.04
   2
   3 local pp_box_off = {
   4         type = "fixed",
   5         fixed = { -7/16, -8/16, -7/16, 7/16, -7/16, 7/16 },
   6 }
   7
   8 local pp_box_on = {
   9         type = "fixed",
  10         fixed = { -7/16, -8/16, -7/16, 7/16, -7.5/16, 7/16 },
  11 }
  12
  13 local function pp_on_timer(pos, elapsed)
  14         local node = minetest.get_node(pos)
  15         local basename = minetest.registered_nodes[node.name].pressureplate_basename
  16         local activated_by = minetest.registered_nodes[node.name].pressureplate_activated_by
  17
  18         -- This is a workaround for a strange bug that occurs when the server is started
  19         -- For some reason the first time on_timer is called, the pos is wrong
  20         if not basename then return end
  21
  22         if activated_by == nil then
  23                 activated_by = { any = true }
  24         end
  25
  26         local obj_does_activate = function(obj, activated_by)
  27                 if activated_by.any then
  28                         return true
  29                 elseif activated_by.mob and obj:get_luaentity() and obj:get_luaentity()._cmi_is_mob == true then
  30                         return true
  31                 elseif activated_by.player and obj:is_player() then
  32                         return true
  33                 else
  34                         return false
  35                 end
  36         end
  37
  38         local objs = minetest.get_objects_inside_radius(pos, 1)
  39
  40         if node.name == basename .. "_on" then
  41                 local disable
  42                 if #objs == 0 then
  43                         disable = true
  44                 elseif not activated_by.any then
  45                         disable = true
  46                         for k, obj in pairs(objs) do
  47                                 if obj_does_activate(obj, activated_by) then
  48                                         disable = false
  49                                         break
  50                                 end
  51                         end
  52                 end
  53                 if disable then
  54                         minetest.set_node(pos, {name = basename .. "_off"})
  55                         mesecon.receptor_off(pos, mesecon.rules.pplate)
  56                 end
  57         elseif node.name == basename .. "_off" then
  58                 for k, obj in pairs(objs) do
  59                         local objpos = obj:get_pos()
  60                         if obj_does_activate(obj, activated_by) then
  61                                 if objpos.y > pos.y-1 and objpos.y < pos.y then
  62                                         minetest.set_node(pos, {name = basename .. "_on"})
  63                                         mesecon.receptor_on(pos, mesecon.rules.pplate)
  64                                         break
  65                                 end
  66                         end
  67                 end
  68         end
  69         return true
  70 end
  71
  72 -- Register a Pressure Plate
  73 -- basename:    base name of the pressure plate
  74 -- description: description displayed in the player's inventory
  75 -- textures_off:textures of the pressure plate when inactive
  76 -- textures_on: textures of the pressure plate when active
  77 -- image_w:     wield image of the pressure plate
  78 -- image_i:     inventory image of the pressure plate
  79 -- recipe:      crafting recipe of the pressure plate
  80 -- sounds:      sound table (like in minetest.register_node)
  81 -- plusgroups:  group memberships (attached_node=1 and not_in_creative_inventory=1 are already used)
  82 -- activated_by: optinal table with elements denoting by which entities this pressure plate is triggered
  83 --              Possible table fields:
  84 --              * player=true: Player
  85 --              * mob=true: Mob
  86 --              By default, is triggered by all entities
  87 -- longdesc:    Customized long description for the in-game help (if omitted, a dummy text is used)
  88
  89 function mesecon.register_pressure_plate(basename, description, textures_off, textures_on, image_w, image_i, recipe, sounds, plusgroups, activated_by, longdesc)
  90         local groups_off = table.copy(plusgroups)
  91         groups_off.attached_node = 1
  92         groups_off.dig_by_piston = 1
  93         groups_off.pressure_plate = 1
  94         local groups_on = table.copy(groups_off)
  95         groups_on.not_in_creative_inventory = 1
  96         groups_on.pressure_plate = 2
  97         if not longdesc then
  98                 longdesc = "A pressure plate is a redstone component which supplies its surrounding blocks with redstone power while someone or something rests on top of it."
  99         end
 100
 101         mesecon.register_node(basename, {
 102                 drawtype = "nodebox",
 103                 inventory_image = image_i,
 104                 wield_image = image_w,
 105                 paramtype = "light",
 106                 walkable = false,
 107                 description = description,
 108                 on_timer = pp_on_timer,
 109                 on_construct = function(pos)
 110                         minetest.get_node_timer(pos):start(PRESSURE_PLATE_INTERVAL)
 111                 end,
 112                 sounds = sounds,
 113                 is_ground_content = false,
 114                 pressureplate_basename = basename,
 115                 pressureplate_activated_by = activated_by,
 116                 _mcl_blast_resistance = 2.5,
 117                 _mcl_hardness = 0.5,
 118         },{
 119                 node_box = pp_box_off,
 120                 selection_box = pp_box_off,
 121                 groups = groups_off,
 122                 tiles = textures_off,
 123
 124                 mesecons = {receptor = { state = mesecon.state.off, rules = mesecon.rules.pplate }},
 125                 _doc_items_longdesc = longdesc,
 126         },{
 127                 node_box = pp_box_on,
 128                 selection_box = pp_box_on,
 129                 groups = groups_on,
 130                 tiles = textures_on,
 131
 132                 mesecons = {receptor = { state = mesecon.state.on, rules = mesecon.rules.pplate }},
 133                 _doc_items_create_entry = false,
 134         })
 135
 136         minetest.register_craft({
 137                 output = basename .. "_off",
 138                 recipe = recipe,
 139         })
 140
 141         if minetest.get_modpath("doc") then
 142                 doc.add_entry_alias("nodes", basename .. "_off", "nodes", basename .. "_on")
 143         end
 144 end
 145
 146 local woods = {
 147         { "wood", "mcl_core:wood", "default_wood.png", "Oak Pressure Plate" },
 148         { "acaciawood", "mcl_core:acaciawood", "default_acacia_wood.png", "Acacia Pressure Plate" },
 149         { "birchwood", "mcl_core:birchwood", "mcl_core_planks_birch.png", "Birch Pressure Plate" },
 150         { "darkwood", "mcl_core:darkwood", "mcl_core_planks_big_oak.png", "Dark Oak Pressure Plate" },
 151         { "sprucewood", "mcl_core:sprucewood", "mcl_core_planks_spruce.png", "Spruce Pressure Plate" },
 152         { "junglewood", "mcl_core:junglewood", "default_junglewood.png", "Jungle Pressure Plate" },
 153 }
 154
 155 for w=1, #woods do
 156         mesecon.register_pressure_plate(
 157                 "mesecons_pressureplates:pressure_plate_"..woods[w][1],
 158                 woods[w][4],
 159                 {woods[w][3]},
 160                 {woods[w][3]},
 161                 woods[w][3],
 162                 nil,
 163                 {{woods[w][2], woods[w][2]}},
 164                 mcl_sounds.node_sound_wood_defaults(),
 165                 {axey=1, material_wood=1},
 166                 nil,
 167                 "A wooden pressure plate is a redstone component which supplies its surrounding blocks with redstone power while any movable object (including dropped items, players and mobs) rests on top of it.")
 168
 169         minetest.register_craft({
 170                 type = "fuel",
 171                 recipe = "mesecons_pressureplates:pressure_plate_"..woods[w][1].."_off",
 172                 burntime = 15
 173         })
 174
 175 end
 176
 177 mesecon.register_pressure_plate(
 178         "mesecons_pressureplates:pressure_plate_stone",
 179         "Stone Pressure Plate",
 180         {"default_stone.png"},
 181         {"default_stone.png"},
 182         "default_stone.png",
 183         nil,
 184         {{"mcl_core:stone", "mcl_core:stone"}},
 185         mcl_sounds.node_sound_stone_defaults(),
 186         {pickaxey=1, material_stone=1},
 187         { player = true, mob = true },
 188         "A stone pressure plate is a redstone component which supplies its surrounding blocks with redstone power while a player or mob stands on top of it. It is not triggered by anything else.")
 189
 190