VoxeLibre/mods/HELP/doc/doc_identifier/init.lua

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-- Boilerplate to support localized strings if intllib mod is installed.
local S
if minetest.get_modpath("intllib") then
S = intllib.Getter()
else
S = function(s) return s end
end
local doc_identifier = {}
doc_identifier.registered_objects = {}
-- API
doc.sub.identifier = {}
doc.sub.identifier.register_object = function(object_name, category_id, entry_id)
doc_identifier.registered_objects[object_name] = { category = category_id, entry = entry_id }
end
-- END OF API
doc_identifier.identify = function(itemstack, user, pointed_thing)
local username = user:get_player_name()
local show_message = function(username, itype, param)
local vsize = 2
local message
if itype == "error_item" then
message = S("No help entry for this item could be found.")
elseif itype == "error_node" then
message = S("No help entry for this block could be found.")
elseif itype == "error_unknown" then
vsize = vsize + 3
local mod
if param ~= nil then
local colon = string.find(param, ":")
if colon ~= nil and colon > 1 then
mod = string.sub(param,1,colon-1)
end
end
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")
message = message .. "\n\n"
if mod ~= nil then
if minetest.get_modpath(mod) ~= nil then
message = message .. string.format(S("It appears to originate from the mod “%s”, which is enabled."), mod)
message = message .. "\n"
else
message = message .. string.format(S("It appears to originate from the mod “%s”, which is not enabled!"), mod)
message = message .. "\n"
end
end
if param ~= nil then
message = message .. string.format(S("Its identifier is “%s”."), param)
end
elseif itype == "error_ignore" then
message = S("This block cannot be identified because the world has not materialized at this point yet. Try again in a few seconds.")
elseif itype == "error_object" or itype == "error_unknown_thing" then
message = S("No help entry for this object could be found.")
elseif itype == "player" then
message = S("This is a player.")
end
minetest.show_formspec(
username,
"doc_identifier:error_missing_item_info",
"size[12,"..vsize..";]" ..
"label[0,0.2;"..minetest.formspec_escape(message).."]" ..
"button_exit[4.5,"..(-0.5+vsize)..";3,1;okay;"..minetest.formspec_escape(S("OK")).."]"
)
end
if pointed_thing.type == "node" then
local pos = pointed_thing.under
local node = minetest.get_node(pos)
if minetest.registered_nodes[node.name] ~= nil then
local nodedef = minetest.registered_nodes[node.name]
if(node.name == "ignore") then
show_message(username, "error_ignore")
elseif doc.entry_exists("nodes", node.name) then
doc.show_entry(username, "nodes", node.name, true)
else
show_message(username, "error_node")
end
else
show_message(username, "error_unknown", node.name)
end
elseif pointed_thing.type == "object" then
local object = pointed_thing.ref
local le = object:get_luaentity()
if object:is_player() then
if minetest.get_modpath("doc_basics") ~= nil and doc.entry_exists("basics", "players") then
doc.show_entry(username, "basics", "players", true)
else
-- Fallback message
show_message(username, "player")
end
-- luaentity exists
elseif le ~= nil then
local ro = doc_identifier.registered_objects[le.name]
-- Dropped items
if le.name == "__builtin:item" then
local itemstring = ItemStack(minetest.deserialize(le:get_staticdata()).itemstring):get_name()
if doc.entry_exists("nodes", itemstring) then
doc.show_entry(username, "nodes", itemstring, true)
elseif doc.entry_exists("tools", itemstring) then
doc.show_entry(username, "tools", itemstring, true)
elseif doc.entry_exists("craftitems", itemstring) then
doc.show_entry(username, "craftitems", itemstring, true)
elseif minetest.registered_items[itemstring] == nil or itemstring == "unknown" then
show_message(username, "error_unknown", itemstring)
else
show_message(username, "error_item")
end
-- Falling nodes
elseif le.name == "__builtin:falling_node" then
local itemstring = minetest.deserialize(le:get_staticdata()).name
if doc.entry_exists("nodes", itemstring) then
doc.show_entry(username, "nodes", itemstring, true)
end
-- A known registered object
elseif ro ~= nil then
doc.show_entry(username, ro.category, ro.entry, true)
-- Undefined object (error)
elseif minetest.registered_entities[le.name] == nil then
show_message(username, "error_unknown", le.name)
-- Other object (undocumented)
else
show_message(username, "error_object")
end
else
--show_message(username, "error_object")
show_message(username, "error_unknown")
end
elseif pointed_thing.type ~= "nothing" then
show_message(username, "error_unknown_thing")
end
return itemstack
end
function doc_identifier.solid_mode(itemstack, user, pointed_thing)
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-- Use pointed node's on_rightclick function first, if present
if pointed_thing.type == "node" then
local node = minetest.get_node(pointed_thing.under)
if user and not user:get_player_control().sneak then
if minetest.registered_nodes[node.name] and minetest.registered_nodes[node.name].on_rightclick then
return minetest.registered_nodes[node.name].on_rightclick(pointed_thing.under, node, user, itemstack) or itemstack
end
end
end
return ItemStack("doc_identifier:identifier_solid")
end
function doc_identifier.liquid_mode(itemstack, user, pointed_thing)
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-- Use pointed node's on_rightclick function first, if present
if pointed_thing.type == "node" then
local node = minetest.get_node(pointed_thing.under)
if user and not user:get_player_control().sneak then
if minetest.registered_nodes[node.name] and minetest.registered_nodes[node.name].on_rightclick then
return minetest.registered_nodes[node.name].on_rightclick(pointed_thing.under, node, user, itemstack) or itemstack
end
end
end
return ItemStack("doc_identifier:identifier_liquid")
end
minetest.register_tool("doc_identifier:identifier_solid", {
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description = S("Lookup Tool"),
_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."),
_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."),
_doc_items_hidden = false,
tool_capabilities = {},
range = 10,
wield_image = "doc_identifier_identifier.png",
inventory_image = "doc_identifier_identifier.png",
liquids_pointable = false,
on_use = doc_identifier.identify,
on_place = doc_identifier.liquid_mode,
on_secondary_use = doc_identifier.liquid_mode,
})
minetest.register_tool("doc_identifier:identifier_liquid", {
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description = S("Lookup Tool"),
_doc_items_create_entry = false,
tool_capabilities = {},
range = 10,
groups = { not_in_creative_inventory = 1, not_in_craft_guide = 1 },
wield_image = "doc_identifier_identifier_liquid.png",
inventory_image = "doc_identifier_identifier_liquid.png",
liquids_pointable = true,
on_use = doc_identifier.identify,
on_place = doc_identifier.solid_mode,
on_secondary_use = doc_identifier.solid_mode,
})
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-- TODO: These crafting recipes are temporary. Add a different way to obtain the lookup tool
if minetest.get_modpath("mcl_core") ~= nil then
minetest.register_craft({
output = "doc_identifier:identifier_solid",
recipe = { {"mcl_core:stick", "mcl_core:stick" },
{"", "mcl_core:stick"},
{"mcl_core:stick", ""} }
})
minetest.register_craft({
output = "doc_identifier:identifier_solid",
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recipe = { { "mcl_core:glass" },
{ "mcl_core:stick" } }
})
end
minetest.register_alias("doc_identifier:identifier", "doc_identifier:identifier_solid")
doc.add_entry_alias("tools", "doc_identifier:identifier_solid", "tools", "doc_identifier:identifier_liquid")