mods/itemframes/init.lua

   1 local tmp = {}
   2 screwdriver = screwdriver or {}
   3
   4 -- item entity
   5
   6 minetest.register_entity("itemframes:item",{
   7         hp_max = 1,
   8         visual="wielditem",
   9         visual_size={x = 0.33, y = 0.33},
  10         collisionbox = {0, 0, 0, 0, 0, 0},
  11         physical = false,
  12         textures = {"air"},
  13         on_activate = function(self, staticdata)
  14
  15 if mobs and mobs.entity and mobs.entity == false then
  16         self.object:remove()
  17         return
  18 end
  19
  20                 if tmp.nodename ~= nil and tmp.texture ~= nil then
  21                         self.nodename = tmp.nodename
  22                         tmp.nodename = nil
  23                         self.texture = tmp.texture
  24                         tmp.texture = nil
  25                 else
  26                         if staticdata ~= nil and staticdata ~= "" then
  27                                 local data = staticdata:split(';')
  28                                 if data and data[1] and data[2] then
  29                                         self.nodename = data[1]
  30                                         self.texture = data[2]
  31                                 end
  32                         end
  33                 end
  34                 if self.texture ~= nil then
  35                         self.object:set_properties({textures = {self.texture}})
  36                 end
  37                 if self.nodename == "itemframes:pedestal" then
  38                         self.object:set_properties({automatic_rotate = 1})
  39                 end
  40         end,
  41         get_staticdata = function(self)
  42                 if self.nodename ~= nil and self.texture ~= nil then
  43                         return self.nodename .. ';' .. self.texture
  44                 end
  45                 return ""
  46         end,
  47 })
  48
  49 local facedir = {}
  50 facedir[0] = {x = 0, y = 0, z = 1}
  51 facedir[1] = {x = 1, y = 0, z = 0}
  52 facedir[2] = {x = 0, y = 0, z = -1}
  53 facedir[3] = {x = -1, y = 0, z = 0}
  54
  55 -- functions
  56
  57 local remove_item = function(pos, node)
  58         local objs = nil
  59         if node.name == "itemframes:frame" then
  60                 objs = minetest.get_objects_inside_radius(pos, 0.5)
  61         elseif node.name == "itemframes:pedestal" then
  62                 pos.y = pos.y + 1
  63                 objs = minetest.get_objects_inside_radius(pos, 0.5)
  64                 pos.y = pos.y - 1
  65         end
  66         if objs then
  67                 for _, obj in ipairs(objs) do
  68                         if obj and obj:get_luaentity()
  69                         and obj:get_luaentity().name == "itemframes:item" then
  70                                 obj:remove()
  71                         end
  72                 end
  73         end
  74 end
  75
  76 local update_item = function(pos, node)
  77         remove_item(pos, node)
  78         local meta = minetest.get_meta(pos)
  79         if meta:get_string("item") ~= "" then
  80                 if node.name == "itemframes:frame" then
  81                         local posad = facedir[node.param2]
  82                         if not posad then return end
  83                         pos.x = pos.x + posad.x * 6.5 / 16
  84                         pos.y = pos.y + posad.y * 6.5 / 16
  85                         pos.z = pos.z + posad.z * 6.5 / 16
  86                 elseif node.name == "itemframes:pedestal" then
  87                         pos.y = pos.y + 12 / 16 + 0.33
  88                 end
  89                 tmp.nodename = node.name
  90                 tmp.texture = ItemStack(meta:get_string("item")):get_name()
  91                 local e = minetest.add_entity(pos,"itemframes:item")
  92                 if node.name == "itemframes:frame" then
  93                         local yaw = math.pi * 2 - node.param2 * math.pi / 2
  94                         e:set_yaw(yaw)
  95                 end
  96         end
  97 end
  98
  99 local drop_item = function(pos, node)
 100         local meta = minetest.get_meta(pos)
 101         if meta:get_string("item") ~= "" then
 102                 if node.name == "itemframes:frame" then
 103                         minetest.add_item(pos, meta:get_string("item"))
 104                 elseif node.name == "itemframes:pedestal" then
 105                         pos.y = pos.y + 1
 106                         minetest.add_item(pos, meta:get_string("item"))
 107                         pos.y = pos.y - 1
 108                 end
 109                 meta:set_string("item","")
 110         end
 111         remove_item(pos, node)
 112 end
 113
 114 -- nodes
 115
 116 minetest.register_node("itemframes:frame",{
 117         description = "Item Frame",
 118         drawtype = "nodebox",
 119         node_box = {
 120                 type = "fixed",
 121                 fixed = {-0.5, -0.5, 7/16, 0.5, 0.5, 0.5}
 122         },
 123         selection_box = {
 124                 type = "fixed",
 125                 fixed = {-0.5, -0.5, 7/16, 0.5, 0.5, 0.5}
 126         },
 127         tiles = {"itemframes_frame.png"},
 128         inventory_image = "itemframes_frame.png",
 129         wield_image = "itemframes_frame.png",
 130         paramtype = "light",
 131         paramtype2 = "facedir",
 132         sunlight_propagates = true,
 133         groups = {choppy = 2, dig_immediate = 2},
 134         legacy_wallmounted = true,
 135         sounds = hades_sounds.node_sound_defaults(),
 136         on_rotate = screwdriver.disallow,
 137
 138         after_place_node = function(pos, placer, itemstack)
 139                 local meta = minetest.get_meta(pos)
 140                 meta:set_string("infotext","Item frame (right-click to add/remove item)")
 141         end,
 142
 143         on_rightclick = function(pos, node, clicker, itemstack)
 144                 if not itemstack then return end
 145                 if minetest.is_protected(pos, clicker:get_player_name()) then return end
 146                 local meta = minetest.get_meta(pos)
 147                 if meta:get_string("item") ~= "" then
 148                         drop_item(pos,node)
 149                 else
 150                         local s = itemstack:take_item()
 151                         meta:set_string("item", s:to_string())
 152                         update_item(pos,node)
 153                         return itemstack
 154                 end
 155         end,
 156
 157         on_destruct = function(pos)
 158                 drop_item(pos, minetest.get_node(pos))
 159         end,
 160
 161         on_punch = function(pos, node, puncher)
 162                 update_item(pos, node)
 163         end,
 164 })
 165
 166 minetest.register_node("itemframes:pedestal",{
 167         description = "Pedestal",
 168         drawtype = "nodebox",
 169         node_box = { type = "fixed", fixed = {
 170                 {-7/16, -8/16, -7/16, 7/16, -7/16, 7/16}, -- bottom plate
 171                 {-6/16, -7/16, -6/16, 6/16, -6/16, 6/16}, -- bottom plate (upper)
 172                 {-0.25, -6/16, -0.25, 0.25, 11/16, 0.25}, -- pillar
 173                 {-7/16, 11/16, -7/16, 7/16, 12/16, 7/16}, -- top plate
 174         } },
 175         selection_box = {
 176                 type = "fixed",
 177                 fixed = {-7/16, -0.5, -7/16, 7/16, 12/16, 7/16}
 178         },
 179         tiles = {"itemframes_pedestal.png"},
 180         paramtype = "light",
 181         groups = {cracky = 3},
 182         sounds = hades_sounds.node_sound_defaults(),
 183         on_rotate = screwdriver.disallow,
 184
 185         after_place_node = function(pos, placer, itemstack)
 186                 local meta = minetest.get_meta(pos)
 187                 meta:set_string("infotext","Pedestal (right-click to add/remove item)")
 188         end,
 189
 190         on_rightclick = function(pos, node, clicker, itemstack)
 191                 if not itemstack then return end
 192                 if minetest.is_protected(pos, clicker:get_player_name()) then return end
 193                 local meta = minetest.get_meta(pos)
 194                 if meta:get_string("item") ~= "" then
 195                         drop_item(pos, node)
 196                 else
 197                         local s = itemstack:take_item()
 198                         meta:set_string("item", s:to_string())
 199                         update_item(pos,node)
 200                         return itemstack
 201                 end
 202         end,
 203
 204         on_destruct = function(pos)
 205                 drop_item(pos, minetest.get_node(pos))
 206         end,
 207
 208         on_punch = function(pos, node, puncher)
 209                 update_item(pos, node)
 210         end,
 211 })
 212
 213 -- automatically restore entities lost from frames/pedestals
 214 -- due to /clearobjects or similar
 215
 216 minetest.register_abm({
 217         label = "Respawn entities of item frames and pedestals",
 218         nodenames = {"itemframes:frame", "itemframes:pedestal"},
 219         interval = 15,
 220         chance = 1,
 221         action = function(pos, node, active_object_count, active_object_count_wider)
 222
 223                 local num
 224
 225                 if node.name == "itemframes:frame" then
 226                         num = #minetest.get_objects_inside_radius(pos, 0.5)
 227                 elseif node.name == "itemframes:pedestal" then
 228                         pos.y = pos.y + 1
 229                         num = #minetest.get_objects_inside_radius(pos, 0.5)
 230                         pos.y = pos.y - 1
 231                 end
 232
 233                 if num > 0 then return end
 234                 update_item(pos, node)
 235         end
 236 })
 237
 238 -- crafts
 239
 240 minetest.register_craft({
 241         output = 'itemframes:frame',
 242         recipe = {
 243                 {'group:stick', 'group:stick', 'group:stick'},
 244                 {'group:stick', 'hades_core:paper', 'group:stick'},
 245                 {'group:stick', 'group:stick', 'group:stick'},
 246         }
 247 })
 248
 249 minetest.register_craft({
 250         output = 'itemframes:pedestal',
 251         recipe = {
 252                 {'hades_core:stone', 'hades_core:stone', 'hades_core:stone'},
 253                 {'', 'hades_core:stone', ''},
 254                 {'hades_core:stone', 'hades_core:stone', 'hades_core:stone'},
 255         }
 256 })