init.lua

   1 -- Boilerplate to support localized strings if intllib mod is installed.
   2 local S
   3 if minetest.get_modpath("intllib") then
   4         S = intllib.Getter()
   5 else
   6         S = function(s) return s end
   7 end
   8
   9 local doc_identifier = {}
  10
  11 doc_identifier.registered_objects = {}
  12
  13 -- API
  14 doc.sub.identifier = {}
  15 doc.sub.identifier.register_object = function(object_name, category_id, entry_id)
  16         doc_identifier.registered_objects[object_name] = { category = category_id, entry = entry_id }
  17 end
  18
  19 -- END OF API
  20
  21 doc_identifier.identify = function(itemstack, user, pointed_thing)
  22         local username = user:get_player_name()
  23         local show_message = function(username, itype, param)
  24                 local vsize = 2
  25                 local message
  26                 if itype == "error_item" then
  27                         message = S("No help entry for this item could be found.")
  28                 elseif itype == "error_node" then
  29                         message = S("No help entry for this block could be found.")
  30                 elseif itype == "error_unknown" then
  31                         vsize = vsize + 3
  32                         local mod
  33                         if param ~= nil then
  34                                 local colon = string.find(param, ":")
  35                                 if colon ~= nil and colon > 1 then
  36                                         mod = string.sub(param,1,colon-1)
  37                                 end
  38                         end
  39                         message = S("Error: This node, item or object is undefined. This is always an error.\nThis can happen for the following reasons:\n• The mod which is required for it is not enabled\n• The author of the subgame or a mod has made a mistake")
  40                         message = message .. "\n\n"
  41
  42                         if mod ~= nil then
  43                                 if minetest.get_modpath(mod) ~= nil then
  44                                         message = message .. string.format(S("It appears to originate from the mod “%s”, which is enabled."), mod)
  45                                         message = message .. "\n"
  46                                 else
  47                                         message = message .. string.format(S("It appears to originate from the mod “%s”, which is not enabled!"), mod)
  48                                         message = message .. "\n"
  49                                 end
  50                         end
  51                         if param ~= nil then
  52                                 message = message .. string.format(S("Its identifier is “%s”."), param)
  53                         end
  54                 elseif itype == "error_ignore" then
  55                         message = S("This block cannot be identified because the world has not materialized at this point yet. Try again in a few seconds.")
  56                 elseif itype == "error_object" or itype == "error_unknown_thing" then
  57                         message = S("No help entry for this object could be found.")
  58                 elseif itype == "player" then
  59                         message = S("This is a player.")
  60                 end
  61                 minetest.show_formspec(
  62                         username,
  63                         "doc_identifier:error_missing_item_info",
  64                         "size[12,"..vsize..";]" ..
  65                         "label[0,0.2;"..minetest.formspec_escape(message).."]" ..
  66                         "button_exit[4.5,"..(-0.5+vsize)..";3,1;okay;"..minetest.formspec_escape(S("OK")).."]"
  67                 )
  68         end
  69         if pointed_thing.type == "node" then
  70                 local pos = pointed_thing.under
  71                 local node = minetest.get_node(pos)
  72                 if minetest.registered_nodes[node.name] ~= nil then
  73                         local nodedef = minetest.registered_nodes[node.name]
  74                         if(node.name == "ignore") then
  75                                 show_message(username, "error_ignore")
  76                         elseif doc.entry_exists("nodes", node.name) then
  77                                 doc.show_entry(username, "nodes", node.name, true)
  78                         else
  79                                 show_message(username, "error_node")
  80                         end
  81                 else
  82                         show_message(username, "error_unknown", node.name)
  83                 end
  84         elseif pointed_thing.type == "object" then
  85                 local object = pointed_thing.ref
  86                 local le = object:get_luaentity()
  87                 if object:is_player() then
  88                         if minetest.get_modpath("doc_basics") ~= nil and doc.entry_exists("basics", "players") then
  89                                 doc.show_entry(username, "basics", "players", true)
  90                         else
  91                                 -- Fallback message
  92                                 show_message(username, "player")
  93                         end
  94                 -- luaentity exists
  95                 elseif le ~= nil then
  96                         local ro = doc_identifier.registered_objects[le.name]
  97                         -- Dropped items
  98                         if le.name == "__builtin:item" then
  99                                 local itemstring = ItemStack(minetest.deserialize(le:get_staticdata()).itemstring):get_name()
 100                                 if doc.entry_exists("nodes", itemstring) then
 101                                         doc.show_entry(username, "nodes", itemstring, true)
 102                                 elseif doc.entry_exists("tools", itemstring) then
 103                                         doc.show_entry(username, "tools", itemstring, true)
 104                                 elseif doc.entry_exists("craftitems", itemstring) then
 105                                         doc.show_entry(username, "craftitems", itemstring, true)
 106                                 elseif minetest.registered_items[itemstring] == nil or itemstring == "unknown" then
 107                                         show_message(username, "error_unknown", itemstring)
 108                                 else
 109                                         show_message(username, "error_item")
 110                                 end
 111                         -- Falling nodes
 112                         elseif le.name == "__builtin:falling_node" then
 113                                 local itemstring = minetest.deserialize(le:get_staticdata()).name
 114                                 if doc.entry_exists("nodes", itemstring) then
 115                                         doc.show_entry(username, "nodes", itemstring, true)
 116                                 end
 117                         -- A known registered object
 118                         elseif ro ~= nil then
 119                                 doc.show_entry(username, ro.category, ro.entry, true)
 120                         -- Undefined object (error)
 121                         elseif minetest.registered_entities[le.name] == nil then
 122                                 show_message(username, "error_unknown", le.name)
 123                         -- Other object (undocumented)
 124                         else
 125                                 show_message(username, "error_object")
 126                         end
 127                 else
 128                         --show_message(username, "error_object")
 129                         show_message(username, "error_unknown")
 130                 end
 131         elseif pointed_thing.type ~= "nothing" then
 132                 show_message(username, "error_unknown_thing")
 133         end
 134         return itemstack
 135 end
 136
 137 function doc_identifier.solid_mode(itemstack, user, pointed_thing)
 138         return ItemStack("doc_identifier:identifier_solid")
 139 end
 140
 141 function doc_identifier.liquid_mode(itemstack, user, pointed_thing)
 142         return ItemStack("doc_identifier:identifier_liquid")
 143 end
 144
 145 minetest.register_tool("doc_identifier:identifier_solid", {
 146         description = S("Lookup tool"),
 147         _doc_items_longdesc = S("This useful little helper can be used to quickly learn more about about one's closer environment. It identifies and analyzes blocks, items and other things and it shows extensive information about the thing on which it is used."),
 148         _doc_items_usagehelp = S("Punch any block, item or other thing about you wish to learn more about. This will open up the appropriate help entry. The tool comes in two modes which are changed by a rightclick. In liquid mode (blue) this tool points to liquids as well while in solid mode (red) this is not the case. Liquid mode is required if you want to identify a liquid."),
 149         tool_capabilities = {},
 150         range = 10,
 151         wield_image = "doc_identifier_identifier.png",
 152         inventory_image = "doc_identifier_identifier.png",
 153         liquids_pointable = false,
 154         on_use = doc_identifier.identify,
 155         on_place = doc_identifier.liquid_mode,
 156         on_secondary_use = doc_identifier.liquid_mode,
 157 })
 158 minetest.register_tool("doc_identifier:identifier_liquid", {
 159         description = S("Lookup tool"),
 160         _doc_items_create_entry = false,
 161         tool_capabilities = {},
 162         range = 10,
 163         groups = { not_in_creative_inventory = 1, },
 164         wield_image = "doc_identifier_identifier_liquid.png",
 165         inventory_image = "doc_identifier_identifier_liquid.png",
 166         liquids_pointable = true,
 167         on_use = doc_identifier.identify,
 168         on_place = doc_identifier.solid_mode,
 169         on_secondary_use = doc_identifier.solid_mode,
 170 })
 171
 172 minetest.register_craft({
 173         output = "doc_identifier:identifier_solid",
 174         recipe = { {"group:stick", "group:stick" },
 175                    {"", "group:stick"},
 176                    {"group:stick", ""} }
 177 })
 178
 179 if minetest.get_modpath("default") ~= nil then
 180         minetest.register_craft({
 181                 output = "doc_identifier:identifier_solid",
 182                 recipe = { { "default:glass" },
 183                            { "group:stick" } }
 184         })
 185 end
 186
 187 minetest.register_alias("doc_identifier:identifier", "doc_identifier:identifier_solid")
 188
 189 doc.add_entry_alias("tools", "doc_identifier:identifier_solid", "doc_identifier:identifier_liquid")