assert(table.indexof({"foo", "bar"}, "baz") == -1)
--------------------------------------------------------------------------------
-function file_exists(filename)
- local f = io.open(filename, "r")
- if f == nil then
- return false
- else
- f:close()
- return true
+if INIT ~= "client" then
+ function file_exists(filename)
+ local f = io.open(filename, "r")
+ if f == nil then
+ return false
+ else
+ f:close()
+ return true
+ end
end
end
-
--------------------------------------------------------------------------------
function string:trim()
return (self:gsub("^%s*(.-)%s*$", "%1"))
end
-function core.splittext(text,charlimit)
- local retval = {}
-
- local current_idx = 1
-
- local start,stop = string_find(text, " ", current_idx)
- local nl_start,nl_stop = string_find(text, "\n", current_idx)
- local gotnewline = false
- if nl_start ~= nil and (start == nil or nl_start < start) then
- start = nl_start
- stop = nl_stop
- gotnewline = true
+function core.wrap_text(text, max_length, as_table)
+ local result = {}
+ local line = {}
+ if #text <= max_length then
+ return as_table and {text} or text
end
- local last_line = ""
- while start ~= nil do
- if string.len(last_line) + (stop-start) > charlimit then
- retval[#retval + 1] = last_line
- last_line = ""
- end
- if last_line ~= "" then
- last_line = last_line .. " "
+ for word in text:gmatch('%S+') do
+ local cur_length = #table.concat(line, ' ')
+ if cur_length > 0 and cur_length + #word + 1 >= max_length then
+ -- word wouldn't fit on current line, move to next line
+ table.insert(result, table.concat(line, ' '))
+ line = {}
end
-
- last_line = last_line .. string_sub(text, current_idx, stop - 1)
-
- if gotnewline then
- retval[#retval + 1] = last_line
- last_line = ""
- gotnewline = false
- end
- current_idx = stop+1
-
- start,stop = string_find(text, " ", current_idx)
- nl_start,nl_stop = string_find(text, "\n", current_idx)
-
- if nl_start ~= nil and (start == nil or nl_start < start) then
- start = nl_start
- stop = nl_stop
- gotnewline = true
- end
- end
-
- --add last part of text
- if string.len(last_line) + (string.len(text) - current_idx) > charlimit then
- retval[#retval + 1] = last_line
- retval[#retval + 1] = string_sub(text, current_idx)
- else
- last_line = last_line .. " " .. string_sub(text, current_idx)
- retval[#retval + 1] = last_line
+ table.insert(line, word)
end
- return retval
+ table.insert(result, table.concat(line, ' '))
+ return as_table and result or table.concat(result, '\n')
end
--------------------------------------------------------------------------------
itemstack, pointed_thing)
return
end
- local fdir = core.dir_to_facedir(placer:get_look_dir())
+ local fdir = placer and core.dir_to_facedir(placer:get_look_dir()) or 0
local wield_name = itemstack:get_name()
local above = pointed_thing.above
iswall = false
end
- if core.is_protected(pos, placer:get_player_name()) then
- core.record_protection_violation(pos,
- placer:get_player_name())
+ local name = placer and placer:get_player_name() or ""
+ if core.is_protected(pos, name) then
+ core.record_protection_violation(pos, name)
return
end
--Wrapper for rotate_and_place() to check for sneak and assume Creative mode
--implies infinite stacks when performing a 6d rotation.
--------------------------------------------------------------------------------
-
+ local creative_mode_cache = core.settings:get_bool("creative_mode")
+ local function is_creative(name)
+ return creative_mode_cache or
+ core.check_player_privs(name, {creative = true})
+ end
core.rotate_node = function(itemstack, placer, pointed_thing)
+ local name = placer and placer:get_player_name() or ""
+ local invert_wall = placer and placer:get_player_control().sneak or false
core.rotate_and_place(itemstack, placer, pointed_thing,
- core.setting_getbool("creative_mode"),
- {invert_wall = placer:get_player_control().sneak})
+ is_creative(name),
+ {invert_wall = invert_wall})
return itemstack
end
end
return retval
end
+--------------------------------------------------------------------------------
+function core.rgba(r, g, b, a)
+ return a and string.format("#%02X%02X%02X%02X", r, g, b, a) or
+ string.format("#%02X%02X%02X", r, g, b)
+end
+
--------------------------------------------------------------------------------
function core.pos_to_string(pos, decimal_places)
local x = pos.x
return core.formspec_escape(fgettext_ne(text, ...))
end
end
+
+local ESCAPE_CHAR = string.char(0x1b)
+
+function core.get_color_escape_sequence(color)
+ return ESCAPE_CHAR .. "(c@" .. color .. ")"
+end
+
+function core.get_background_escape_sequence(color)
+ return ESCAPE_CHAR .. "(b@" .. color .. ")"
+end
+
+function core.colorize(color, message)
+ local lines = tostring(message):split("\n", true)
+ local color_code = core.get_color_escape_sequence(color)
+
+ for i, line in ipairs(lines) do
+ lines[i] = color_code .. line
+ end
+
+ return table.concat(lines, "\n") .. core.get_color_escape_sequence("#ffffff")
+end
+
+
+function core.strip_foreground_colors(str)
+ return (str:gsub(ESCAPE_CHAR .. "%(c@[^)]+%)", ""))
+end
+
+function core.strip_background_colors(str)
+ return (str:gsub(ESCAPE_CHAR .. "%(b@[^)]+%)", ""))
+end
+
+function core.strip_colors(str)
+ return (str:gsub(ESCAPE_CHAR .. "%([bc]@[^)]+%)", ""))
+end
+
+function core.translate(textdomain, str, ...)
+ local start_seq
+ if textdomain == "" then
+ start_seq = ESCAPE_CHAR .. "T"
+ else
+ start_seq = ESCAPE_CHAR .. "(T@" .. textdomain .. ")"
+ end
+ local arg = {n=select('#', ...), ...}
+ local end_seq = ESCAPE_CHAR .. "E"
+ local arg_index = 1
+ local translated = str:gsub("@(.)", function(matched)
+ local c = string.byte(matched)
+ if string.byte("1") <= c and c <= string.byte("9") then
+ local a = c - string.byte("0")
+ if a ~= arg_index then
+ error("Escape sequences in string given to core.translate " ..
+ "are not in the correct order: got @" .. matched ..
+ "but expected @" .. tostring(arg_index))
+ end
+ if a > arg.n then
+ error("Not enough arguments provided to core.translate")
+ end
+ arg_index = arg_index + 1
+ return ESCAPE_CHAR .. "F" .. arg[a] .. ESCAPE_CHAR .. "E"
+ elseif matched == "n" then
+ return "\n"
+ else
+ return matched
+ end
+ end)
+ if arg_index < arg.n + 1 then
+ error("Too many arguments provided to core.translate")
+ end
+ return start_seq .. translated .. end_seq
+end
+
+function core.get_translator(textdomain)
+ return function(str, ...) return core.translate(textdomain or "", str, ...) end
+end
+
+--------------------------------------------------------------------------------
+-- Returns the exact coordinate of a pointed surface
+--------------------------------------------------------------------------------
+function core.pointed_thing_to_face_pos(placer, pointed_thing)
+ local eye_offset_first = placer:get_eye_offset()
+ local node_pos = pointed_thing.under
+ local camera_pos = placer:get_pos()
+ local pos_off = vector.multiply(
+ vector.subtract(pointed_thing.above, node_pos), 0.5)
+ local look_dir = placer:get_look_dir()
+ local offset, nc
+ local oc = {}
+
+ for c, v in pairs(pos_off) do
+ if nc or v == 0 then
+ oc[#oc + 1] = c
+ else
+ offset = v
+ nc = c
+ end
+ end
+
+ local fine_pos = {[nc] = node_pos[nc] + offset}
+ camera_pos.y = camera_pos.y + 1.625 + eye_offset_first.y / 10
+ local f = (node_pos[nc] + offset - camera_pos[nc]) / look_dir[nc]
+
+ for i = 1, #oc do
+ fine_pos[oc[i]] = camera_pos[oc[i]] + look_dir[oc[i]] * f
+ end
+ return fine_pos
+end
+
+function core.string_to_privs(str, delim)
+ assert(type(str) == "string")
+ delim = delim or ','
+ local privs = {}
+ for _, priv in pairs(string.split(str, delim)) do
+ privs[priv:trim()] = true
+ end
+ return privs
+end
+
+function core.privs_to_string(privs, delim)
+ assert(type(privs) == "table")
+ delim = delim or ','
+ local list = {}
+ for priv, bool in pairs(privs) do
+ if bool then
+ list[#list + 1] = priv
+ end
+ end
+ return table.concat(list, delim)
+end
+
+assert(core.string_to_privs("a,b").b == true)
+assert(core.privs_to_string({a=true,b=true}) == "a,b")
projects / minetest.git / blobdiff