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authorShadowNinja <shadowninja@minetest.net>2014-04-27 17:55:49 -0400
committerShadowNinja <shadowninja@minetest.net>2014-05-07 17:14:23 -0400
commit1cd512913e4d4ad1fb43d4b6e3d7971bb6c67528 (patch)
tree8c1e2c708f567656684e89faee4f7c8e6c5ec673 /builtin/misc_helpers.lua
parentfef2729fd0945601e6772780514ee55fec35b068 (diff)
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Organize builtin into subdirectories
Diffstat (limited to 'builtin/misc_helpers.lua')
-rw-r--r--builtin/misc_helpers.lua428
1 files changed, 0 insertions, 428 deletions
diff --git a/builtin/misc_helpers.lua b/builtin/misc_helpers.lua
deleted file mode 100644
index 9c7349726..000000000
--- a/builtin/misc_helpers.lua
+++ /dev/null
@@ -1,428 +0,0 @@
--- Minetest: builtin/misc_helpers.lua
-
---------------------------------------------------------------------------------
-function basic_dump2(o)
- if type(o) == "number" then
- return tostring(o)
- elseif type(o) == "string" then
- return string.format("%q", o)
- elseif type(o) == "boolean" then
- return tostring(o)
- elseif type(o) == "function" then
- return "<function>"
- elseif type(o) == "userdata" then
- return "<userdata>"
- elseif type(o) == "nil" then
- return "nil"
- else
- error("cannot dump a " .. type(o))
- return nil
- end
-end
-
---------------------------------------------------------------------------------
-function dump2(o, name, dumped)
- name = name or "_"
- dumped = dumped or {}
- io.write(name, " = ")
- if type(o) == "number" or type(o) == "string" or type(o) == "boolean"
- or type(o) == "function" or type(o) == "nil"
- or type(o) == "userdata" then
- io.write(basic_dump2(o), "\n")
- elseif type(o) == "table" then
- if dumped[o] then
- io.write(dumped[o], "\n")
- else
- dumped[o] = name
- io.write("{}\n") -- new table
- for k,v in pairs(o) do
- local fieldname = string.format("%s[%s]", name, basic_dump2(k))
- dump2(v, fieldname, dumped)
- end
- end
- else
- error("cannot dump a " .. type(o))
- return nil
- end
-end
-
---------------------------------------------------------------------------------
-function dump(o, dumped)
- dumped = dumped or {}
- if type(o) == "number" then
- return tostring(o)
- elseif type(o) == "string" then
- return string.format("%q", o)
- elseif type(o) == "table" then
- if dumped[o] then
- return "<circular reference>"
- end
- dumped[o] = true
- local t = {}
- for k,v in pairs(o) do
- t[#t+1] = "[" .. dump(k, dumped) .. "] = " .. dump(v, dumped)
- end
- return "{" .. table.concat(t, ", ") .. "}"
- elseif type(o) == "boolean" then
- return tostring(o)
- elseif type(o) == "function" then
- return "<function>"
- elseif type(o) == "userdata" then
- return "<userdata>"
- elseif type(o) == "nil" then
- return "nil"
- else
- error("cannot dump a " .. type(o))
- return nil
- end
-end
-
---------------------------------------------------------------------------------
-function string:split(sep)
- local sep, fields = sep or ",", {}
- local pattern = string.format("([^%s]+)", sep)
- self:gsub(pattern, function(c) fields[#fields+1] = c end)
- return fields
-end
-
---------------------------------------------------------------------------------
-function file_exists(filename)
- local f = io.open(filename, "r")
- if f==nil then
- return false
- else
- f:close()
- return true
- end
-end
-
---------------------------------------------------------------------------------
-function string:trim()
- return (self:gsub("^%s*(.-)%s*$", "%1"))
-end
-
-assert(string.trim("\n \t\tfoo bar\t ") == "foo bar")
-
---------------------------------------------------------------------------------
-function math.hypot(x, y)
- local t
- x = math.abs(x)
- y = math.abs(y)
- t = math.min(x, y)
- x = math.max(x, y)
- if x == 0 then return 0 end
- t = t / x
- return x * math.sqrt(1 + t * t)
-end
-
---------------------------------------------------------------------------------
-function get_last_folder(text,count)
- local parts = text:split(DIR_DELIM)
-
- if count == nil then
- return parts[#parts]
- end
-
- local retval = ""
- for i=1,count,1 do
- retval = retval .. parts[#parts - (count-i)] .. DIR_DELIM
- end
-
- return retval
-end
-
---------------------------------------------------------------------------------
-function cleanup_path(temppath)
-
- local parts = temppath:split("-")
- temppath = ""
- for i=1,#parts,1 do
- if temppath ~= "" then
- temppath = temppath .. "_"
- end
- temppath = temppath .. parts[i]
- end
-
- parts = temppath:split(".")
- temppath = ""
- for i=1,#parts,1 do
- if temppath ~= "" then
- temppath = temppath .. "_"
- end
- temppath = temppath .. parts[i]
- end
-
- parts = temppath:split("'")
- temppath = ""
- for i=1,#parts,1 do
- if temppath ~= "" then
- temppath = temppath .. ""
- end
- temppath = temppath .. parts[i]
- end
-
- parts = temppath:split(" ")
- temppath = ""
- for i=1,#parts,1 do
- if temppath ~= "" then
- temppath = temppath
- end
- temppath = temppath .. parts[i]
- end
-
- return temppath
-end
-
-local tbl = engine or minetest
-function tbl.formspec_escape(text)
- if text ~= nil then
- text = string.gsub(text,"\\","\\\\")
- text = string.gsub(text,"%]","\\]")
- text = string.gsub(text,"%[","\\[")
- text = string.gsub(text,";","\\;")
- text = string.gsub(text,",","\\,")
- end
- return text
-end
-
-
-function tbl.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
- end
- local last_line = ""
- while start ~= nil do
- if string.len(last_line) + (stop-start) > charlimit then
- table.insert(retval,last_line)
- last_line = ""
- end
-
- if last_line ~= "" then
- last_line = last_line .. " "
- end
-
- last_line = last_line .. string.sub(text,current_idx,stop -1)
-
- if gotnewline then
- table.insert(retval,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
- table.insert(retval,last_line)
- table.insert(retval,string.sub(text,current_idx))
- else
- last_line = last_line .. " " .. string.sub(text,current_idx)
- table.insert(retval,last_line)
- end
-
- return retval
-end
-
---------------------------------------------------------------------------------
-
-if minetest then
- local dirs1 = {9, 18, 7, 12}
- local dirs2 = {20, 23, 22, 21}
-
- function minetest.rotate_and_place(itemstack, placer, pointed_thing,
- infinitestacks, orient_flags)
- orient_flags = orient_flags or {}
-
- local unode = minetest.get_node_or_nil(pointed_thing.under)
- if not unode then
- return
- end
- local undef = minetest.registered_nodes[unode.name]
- if undef and undef.on_rightclick then
- undef.on_rightclick(pointed_thing.under, unode, placer,
- itemstack, pointed_thing)
- return
- end
- local pitch = placer:get_look_pitch()
- local fdir = minetest.dir_to_facedir(placer:get_look_dir())
- local wield_name = itemstack:get_name()
-
- local above = pointed_thing.above
- local under = pointed_thing.under
- local iswall = (above.y == under.y)
- local isceiling = not iswall and (above.y < under.y)
- local anode = minetest.get_node_or_nil(above)
- if not anode then
- return
- end
- local pos = pointed_thing.above
- local node = anode
-
- if undef and undef.buildable_to then
- pos = pointed_thing.under
- node = unode
- iswall = false
- end
-
- if minetest.is_protected(pos, placer:get_player_name()) then
- minetest.record_protection_violation(pos,
- placer:get_player_name())
- return
- end
-
- local ndef = minetest.registered_nodes[node.name]
- if not ndef or not ndef.buildable_to then
- return
- end
-
- if orient_flags.force_floor then
- iswall = false
- isceiling = false
- elseif orient_flags.force_ceiling then
- iswall = false
- isceiling = true
- elseif orient_flags.force_wall then
- iswall = true
- isceiling = false
- elseif orient_flags.invert_wall then
- iswall = not iswall
- end
-
- if iswall then
- minetest.set_node(pos, {name = wield_name,
- param2 = dirs1[fdir+1]})
- elseif isceiling then
- if orient_flags.force_facedir then
- minetest.set_node(pos, {name = wield_name,
- param2 = 20})
- else
- minetest.set_node(pos, {name = wield_name,
- param2 = dirs2[fdir+1]})
- end
- else -- place right side up
- if orient_flags.force_facedir then
- minetest.set_node(pos, {name = wield_name,
- param2 = 0})
- else
- minetest.set_node(pos, {name = wield_name,
- param2 = fdir})
- end
- end
-
- if not infinitestacks then
- itemstack:take_item()
- return itemstack
- end
- end
-
-
---------------------------------------------------------------------------------
---Wrapper for rotate_and_place() to check for sneak and assume Creative mode
---implies infinite stacks when performing a 6d rotation.
---------------------------------------------------------------------------------
-
-
- minetest.rotate_node = function(itemstack, placer, pointed_thing)
- minetest.rotate_and_place(itemstack, placer, pointed_thing,
- minetest.setting_getbool("creative_mode"),
- {invert_wall = placer:get_player_control().sneak})
- return itemstack
- end
-end
-
---------------------------------------------------------------------------------
-function tbl.explode_table_event(evt)
- if evt ~= nil then
- local parts = evt:split(":")
- if #parts == 3 then
- local t = parts[1]:trim()
- local r = tonumber(parts[2]:trim())
- local c = tonumber(parts[3]:trim())
- if type(r) == "number" and type(c) == "number" and t ~= "INV" then
- return {type=t, row=r, column=c}
- end
- end
- end
- return {type="INV", row=0, column=0}
-end
-
---------------------------------------------------------------------------------
-function tbl.explode_textlist_event(evt)
- if evt ~= nil then
- local parts = evt:split(":")
- if #parts == 2 then
- local t = parts[1]:trim()
- local r = tonumber(parts[2]:trim())
- if type(r) == "number" and t ~= "INV" then
- return {type=t, index=r}
- end
- end
- end
- return {type="INV", index=0}
-end
-
---------------------------------------------------------------------------------
--- mainmenu only functions
---------------------------------------------------------------------------------
-if engine ~= nil then
- engine.get_game = function(index)
- local games = game.get_games()
-
- if index > 0 and index <= #games then
- return games[index]
- end
-
- return nil
- end
-
- function fgettext(text, ...)
- text = engine.gettext(text)
- local arg = {n=select('#', ...), ...}
- if arg.n >= 1 then
- -- Insert positional parameters ($1, $2, ...)
- result = ''
- pos = 1
- while pos <= text:len() do
- newpos = text:find('[$]', pos)
- if newpos == nil then
- result = result .. text:sub(pos)
- pos = text:len() + 1
- else
- paramindex = tonumber(text:sub(newpos+1, newpos+1))
- result = result .. text:sub(pos, newpos-1) .. tostring(arg[paramindex])
- pos = newpos + 2
- end
- end
- text = result
- end
- return engine.formspec_escape(text)
- end
-end
---------------------------------------------------------------------------------
--- core only fct
---------------------------------------------------------------------------------
-if minetest ~= nil then
- --------------------------------------------------------------------------------
- function minetest.pos_to_string(pos)
- return "(" .. pos.x .. "," .. pos.y .. "," .. pos.z .. ")"
- end
-end
-