mods/xpanes/init.lua

   1 -- xpanes/init.lua
   2
   3 -- Load support for MT game translation.
   4 local S = minetest.get_translator("xpanes")
   5
   6
   7 local function is_pane(pos)
   8         return minetest.get_item_group(minetest.get_node(pos).name, "pane") > 0
   9 end
  10
  11 local function connects_dir(pos, name, dir)
  12         local aside = vector.add(pos, minetest.facedir_to_dir(dir))
  13         if is_pane(aside) then
  14                 return true
  15         end
  16
  17         local connects_to = minetest.registered_nodes[name].connects_to
  18         if not connects_to then
  19                 return false
  20         end
  21         local list = minetest.find_nodes_in_area(aside, aside, connects_to)
  22
  23         if #list > 0 then
  24                 return true
  25         end
  26
  27         return false
  28 end
  29
  30 local function swap(pos, node, name, param2)
  31         if node.name == name and node.param2 == param2 then
  32                 return
  33         end
  34
  35         minetest.swap_node(pos, {name = name, param2 = param2})
  36 end
  37
  38 local function update_pane(pos)
  39         if not is_pane(pos) then
  40                 return
  41         end
  42         local node = minetest.get_node(pos)
  43         local name = node.name
  44         if name:sub(-5) == "_flat" then
  45                 name = name:sub(1, -6)
  46         end
  47
  48         local any = node.param2
  49         local c = {}
  50         local count = 0
  51         for dir = 0, 3 do
  52                 c[dir] = connects_dir(pos, name, dir)
  53                 if c[dir] then
  54                         any = dir
  55                         count = count + 1
  56                 end
  57         end
  58
  59         if count == 0 then
  60                 swap(pos, node, name .. "_flat", any)
  61         elseif count == 1 then
  62                 swap(pos, node, name .. "_flat", (any + 1) % 4)
  63         elseif count == 2 then
  64                 if (c[0] and c[2]) or (c[1] and c[3]) then
  65                         swap(pos, node, name .. "_flat", (any + 1) % 4)
  66                 else
  67                         swap(pos, node, name, 0)
  68                 end
  69         else
  70                 swap(pos, node, name, 0)
  71         end
  72 end
  73
  74 minetest.register_on_placenode(function(pos, node)
  75         if minetest.get_item_group(node, "pane") then
  76                 update_pane(pos)
  77         end
  78         for i = 0, 3 do
  79                 local dir = minetest.facedir_to_dir(i)
  80                 update_pane(vector.add(pos, dir))
  81         end
  82 end)
  83
  84 minetest.register_on_dignode(function(pos)
  85         for i = 0, 3 do
  86                 local dir = minetest.facedir_to_dir(i)
  87                 update_pane(vector.add(pos, dir))
  88         end
  89 end)
  90
  91 xpanes = {}
  92 function xpanes.register_pane(name, def)
  93         for i = 1, 15 do
  94                 minetest.register_alias("xpanes:" .. name .. "_" .. i, "xpanes:" .. name .. "_flat")
  95         end
  96
  97         local flatgroups = table.copy(def.groups)
  98         flatgroups.pane = 1
  99         minetest.register_node(":xpanes:" .. name .. "_flat", {
 100                 description = def.description,
 101                 drawtype = "nodebox",
 102                 paramtype = "light",
 103                 is_ground_content = false,
 104                 sunlight_propagates = true,
 105                 inventory_image = def.inventory_image,
 106                 wield_image = def.wield_image,
 107                 paramtype2 = "facedir",
 108                 tiles = {
 109                                 def.textures[3],
 110                                 def.textures[3],
 111                                 def.textures[3],
 112                                 def.textures[3],
 113                                 def.textures[1],
 114                                 def.textures[1]
 115                 },
 116                 groups = flatgroups,
 117                 drop = "xpanes:" .. name .. "_flat",
 118                 sounds = def.sounds,
 119                 use_texture_alpha = def.use_texture_alpha or false,
 120                 node_box = {
 121                         type = "fixed",
 122                         fixed = {{-1/2, -1/2, -1/32, 1/2, 1/2, 1/32}},
 123                 },
 124                 selection_box = {
 125                         type = "fixed",
 126                         fixed = {{-1/2, -1/2, -1/32, 1/2, 1/2, 1/32}},
 127                 },
 128                 connect_sides = { "left", "right" },
 129         })
 130
 131         local groups = table.copy(def.groups)
 132         groups.pane = 1
 133         groups.not_in_creative_inventory = 1
 134         minetest.register_node(":xpanes:" .. name, {
 135                 drawtype = "nodebox",
 136                 paramtype = "light",
 137                 is_ground_content = false,
 138                 sunlight_propagates = true,
 139                 description = def.description,
 140                 tiles = {
 141                         def.textures[3],
 142                         def.textures[3],
 143                         def.textures[1]
 144                 },
 145                 groups = groups,
 146                 drop = "xpanes:" .. name .. "_flat",
 147                 sounds = def.sounds,
 148                 use_texture_alpha = def.use_texture_alpha or false,
 149                 node_box = {
 150                         type = "connected",
 151                         fixed = {{-1/32, -1/2, -1/32, 1/32, 1/2, 1/32}},
 152                         connect_front = {{-1/32, -1/2, -1/2, 1/32, 1/2, -1/32}},
 153                         connect_left = {{-1/2, -1/2, -1/32, -1/32, 1/2, 1/32}},
 154                         connect_back = {{-1/32, -1/2, 1/32, 1/32, 1/2, 1/2}},
 155                         connect_right = {{1/32, -1/2, -1/32, 1/2, 1/2, 1/32}},
 156                 },
 157                 connects_to = {"group:pane", "group:stone", "group:glass", "group:wood", "group:tree"},
 158         })
 159
 160         minetest.register_craft({
 161                 output = "xpanes:" .. name .. "_flat 16",
 162                 recipe = def.recipe
 163         })
 164 end
 165
 166 xpanes.register_pane("pane", {
 167         description = S("Glass Pane"),
 168         textures = {"default_glass.png", "", "xpanes_edge.png"},
 169         inventory_image = "default_glass.png",
 170         wield_image = "default_glass.png",
 171         sounds = default.node_sound_glass_defaults(),
 172         groups = {snappy=2, cracky=3, oddly_breakable_by_hand=3},
 173         recipe = {
 174                 {"default:glass", "default:glass", "default:glass"},
 175                 {"default:glass", "default:glass", "default:glass"}
 176         }
 177 })
 178
 179 xpanes.register_pane("obsidian_pane", {
 180         description = S("Obsidian Glass Pane"),
 181         textures = {"default_obsidian_glass.png", "", "xpanes_edge_obsidian.png"},
 182         inventory_image = "default_obsidian_glass.png",
 183         wield_image = "default_obsidian_glass.png",
 184         sounds = default.node_sound_glass_defaults(),
 185         groups = {snappy=2, cracky=3},
 186         recipe = {
 187                 {"default:obsidian_glass", "default:obsidian_glass", "default:obsidian_glass"},
 188                 {"default:obsidian_glass", "default:obsidian_glass", "default:obsidian_glass"}
 189         }
 190 })
 191
 192 xpanes.register_pane("bar", {
 193         description = S("Steel Bars"),
 194         textures = {"xpanes_bar.png", "", "xpanes_bar_top.png"},
 195         inventory_image = "xpanes_bar.png",
 196         wield_image = "xpanes_bar.png",
 197         groups = {cracky=2},
 198         sounds = default.node_sound_metal_defaults(),
 199         recipe = {
 200                 {"default:steel_ingot", "default:steel_ingot", "default:steel_ingot"},
 201                 {"default:steel_ingot", "default:steel_ingot", "default:steel_ingot"}
 202         }
 203 })
 204
 205 minetest.register_lbm({
 206         name = "xpanes:gen2",
 207         nodenames = {"group:pane"},
 208         action = function(pos, node)
 209                 update_pane(pos)
 210                 for i = 0, 3 do
 211                         local dir = minetest.facedir_to_dir(i)
 212                         update_pane(vector.add(pos, dir))
 213                 end
 214         end
 215 })
 216
 217 -- Register steel bar doors and trapdoors
 218
 219 if minetest.get_modpath("doors") then
 220
 221         doors.register("xpanes:door_steel_bar", {
 222                 tiles = {{name = "xpanes_door_steel_bar.png", backface_culling = true}},
 223                 description = S("Steel Bar Door"),
 224                 inventory_image = "xpanes_item_steel_bar.png",
 225                 protected = true,
 226                 groups = {cracky = 1, level = 2},
 227                 sounds = default.node_sound_metal_defaults(),
 228                 sound_open = "xpanes_steel_bar_door_open",
 229                 sound_close = "xpanes_steel_bar_door_close",
 230                 recipe = {
 231                         {"xpanes:bar_flat", "xpanes:bar_flat"},
 232                         {"xpanes:bar_flat", "xpanes:bar_flat"},
 233                         {"xpanes:bar_flat", "xpanes:bar_flat"},
 234                 },
 235         })
 236
 237         doors.register_trapdoor("xpanes:trapdoor_steel_bar", {
 238                 description = S("Steel Bar Trapdoor"),
 239                 inventory_image = "xpanes_trapdoor_steel_bar.png",
 240                 wield_image = "xpanes_trapdoor_steel_bar.png",
 241                 tile_front = "xpanes_trapdoor_steel_bar.png",
 242                 tile_side = "xpanes_trapdoor_steel_bar_side.png",
 243                 protected = true,
 244                 groups = {cracky = 1, level = 2, door = 1},
 245                 sounds = default.node_sound_metal_defaults(),
 246                 sound_open = "xpanes_steel_bar_door_open",
 247                 sound_close = "xpanes_steel_bar_door_close",
 248         })
 249
 250         minetest.register_craft({
 251                 output = "xpanes:trapdoor_steel_bar",
 252                 recipe = {
 253                         {"xpanes:bar_flat", "xpanes:bar_flat"},
 254                         {"xpanes:bar_flat", "xpanes:bar_flat"},
 255                 }
 256         })
 257 end