minetest-mod-metatools/init.lua

384 lines
18 KiB
Lua
Executable File

-- Meta-tools mod ßý Mg --
-- License : GPLv3+
--
metatools = {}
meta_info = {}
metatools.actualize_metalist = function(name)
-- We need to actualize the tables
local counter = 1
meta_info[name]["pointer"] = minetest.get_meta(meta_info[name]["node"]):to_table()
while (counter < meta_info[name]["stratum"]+1) do
for k,v in pairs(meta_info[name]["pointer"]) do
if k == meta_info[name]["pathname"][counter] then
counter = counter + 1
meta_info[name]["pointer"] = v
break
end
end
end
end
metatools.get_metalist = function(meta,username)
for name,value in pairs(meta) do
if (type(value) == "table") then
metatools.get_metalist(value,username)
else
minetest.chat_send_player(username,name.." ==> "..value)
end
end
end
minetest.register_craftitem("metatools:stick",{
description = "Meta stick",
inventory_image = "metatools_stick.png",
on_use = function(itemstack, user, pointed_thing)
local username = user:get_player_name()
local nodepos = pointed_thing.under
if not nodepos or not minetest.get_node(nodepos) then return end
local nodename = minetest.get_node(nodepos).name
local node = minetest.registered_nodes[nodename]
local meta = minetest.get_meta(nodepos)
local metalist = meta:to_table()
meta_info[username] = {}
meta_info[username]["depth"] = 0
metatools.get_metalist(metalist.fields,username)
minetest.chat_send_player(username,"Node located at "..minetest.pos_to_string(nodepos))
minetest.log("action","[metatools] Player "..username.." saw metadatas of node at "..minetest.pos_to_string(nodepos))
end,
})
minetest.register_chatcommand("meta", {
privs = {server = true},
params = "help | open (x,y,z) | show | enter name | quit name | close",
description = "Manipulate metadatas",
func = function(name,param)
local paramlist = param:split(" ")
if param == "" then
minetest.chat_send_player(name,"- meta - Type /meta help for help")
return true
end
if paramlist[1] == "help" then
minetest.chat_send_player(name,"Meta help: /meta +")
minetest.chat_send_player(name," help : show this help")
minetest.chat_send_player(name," open (x,y,z) : open node at pos x,y,z")
minetest.chat_send_player(name," show : show fields at node/depth")
minetest.chat_send_player(name," enter name : enter in field name at node/depth")
minetest.chat_send_player(name," quit : quit actual field at node/depth")
minetest.chat_send_player(name," set name value : set field name to value at node/depth")
minetest.chat_send_player(name," itemstack <subcommand>")
minetest.chat_send_player(name," read <field> : send you the itemstring, and amount of items in <field>")
minetest.chat_send_player(name," erase <field> : set to empty stack <field>")
minetest.chat_send_player(name," write <field> <itemstring> [amount]: set the itemstack <field>")
minetest.chat_send_player(name," close : close the current node")
elseif paramlist[1] == "open" then
if meta_info[name] and meta_info[name]["node"] then
minetest.chat_send_player(name,"- meta::open - You already have opened a node without closing it, use /meta close "..minetest.pos_to_string(meta_info[name]["node"]).." to close it and retry")
minetest.log("action","[metatools] Player "..name.." failed opening node : already has one")
return false
end
if not paramlist[2] then
minetest.chat_send_player(name,"- meta::open - You must provide a position in the forme of (x,y,z)")
minetest.log("action","[metatools] Player "..name.." failed opening node : no position given")
return false
end
local position = minetest.string_to_pos(paramlist[2])
if position == nil then
minetest.chat_send_player(name,"- meta::open - Incorrect position format : "..paramlist[2]..", use (x,y,z)")
minetest.log("action","[metatools] Player "..name.." failed opening node : invalid position given")
return false
end
if minetest.get_node(position).name == "ignore" then
minetest.chat_send_player(name,"- meta::open - You cannot write on ignore : load the nodes near "..paramlist[2].." then retry.")
minetest.log("action","[metatools] Player "..name.." failed opening node at "..paramlist[2].." : node is ignore")
return false
end
for i,k in ipairs(meta_info) do
if meta_info[i]["node"] and minetest.pos_to_string(meta_info[i]["node"]) == paramlist[2] then
minetest.chat_send_player(name,"- meta::open - Node at "..paramlist[2].." is being held by "..i..". You cannot open it")
minetest.log("action","[metatools] Player "..name.." failed opening node at "..paramlist[2].." : node is held by player "..i)
return false
end
end
minetest.chat_send_player(name,"- meta::open - You opened node "..minetest.get_node(position).name.." at position "..paramlist[2])
minetest.chat_send_player(name,"- meta::open - Use /close "..paramlist[2].." to close it")
if not meta_info[name] then
meta_info[name] = {}
end
meta_info[name]["node"] = position
meta_info[name]["stratum"] = 0
meta_info[name]["pointer"] = minetest.get_meta(position):to_table()
meta_info[name]["pathname"] = {}
meta_info[name]["pathname"][0] = "Node"
minetest.log("action","[metatools] Player "..name.." opened node "..minetest.get_node(position).name.." at pos "..paramlist[2])
return true
elseif paramlist[1] == "close" then
if not meta_info[name] or not meta_info[name]["node"] then
minetest.chat_send_player(name,"- meta::close - You have no node open, use /meta open (x,y,z) to open one")
minetest.log("action","[metatools] Player "..name.." failed closing node : no node opened")
return false
end
minetest.chat_send_player(name,"- meta::close - You closed node "..minetest.get_node(meta_info[name]["node"]).name.." at position "..minetest.pos_to_string(meta_info[name]["node"]))
minetest.log("action","[metatools] Player "..name.." closed his node "..minetest.get_node(meta_info[name]["node"]).name.." at pos "..minetest.pos_to_string(meta_info[name]["node"]))
meta_info[name] = nil
return true
elseif paramlist[1] == "show" then
if not meta_info[name] or not meta_info[name]["node"] then
minetest.chat_send_player(name,"- meta::show - You have no node open, use /meta open (x,y,z) to open one")
minetest.log("action","[metatools] Player "..name.." failed showing node : no node opened")
return false
end
local metalist = meta_info[name]["pointer"]
local position = minetest.pos_to_string(meta_info[name]["node"])
minetest.chat_send_player(name,"- meta::show - Showing ways at stratum "..meta_info[name]["stratum"].." : ")
for key,value in pairs(metalist) do
if type(value) == "table" then
minetest.chat_send_player(name,key.." -> Stratum "..meta_info[name]["stratum"]+1)
elseif type(value) ~= "userdata" then
minetest.chat_send_player(name,key.." => "..value)
else
minetest.chat_send_player(name,key.." => <userdata>")
end
end
minetest.log("action","[metatools] Player "..name.." saw datas of node "..minetest.get_node(meta_info[name]["node"]).name.." at pos "..position.." with stratum "..meta_info[name]["stratum"])
elseif paramlist[1] == "enter" then
if not meta_info[name] or not meta_info[name]["node"] then
minetest.chat_send_player(name,"- meta::enter - You have no node open, use /meta open (x,y,z) to open one")
minetest.log("action","[metatools] Player "..name.." failed showing node : no node opened")
return false
end
if not paramlist[2] then
minetest.chat_send_player(name,"- meta::enter - You must provide a name for the stratum you want to enter in")
minetest.log("action","[metatools] Player "..name.." failed entering in stratum : no name given")
return false
end
local metalist = meta_info[name]["pointer"]
for key,value in pairs(metalist) do
if key == paramlist[2] and (type(value) == "table") then
minetest.chat_send_player(name,"- meta::enter - Entering stratum "..meta_info[name]["stratum"]+1 .. " through "..paramlist[2])
meta_info[name]["pointer"] = value
meta_info[name]["pathname"][meta_info[name]["stratum"]+1] = paramlist[2]
meta_info[name]["stratum"] = meta_info[name]["stratum"]+1
metatools.actualize_metalist(name)
minetest.log("action","[metatools] Player "..name.." entered stratum "..meta_info[name]["stratum"].." of node "..minetest.get_node(meta_info[name]["node"]).name.." at pos "..minetest.pos_to_string(meta_info[name]["node"]))
return true
end
end
minetest.chat_send_player(name,"- meta::enter - Cannot enter further stratum through "..paramlist[2])
minetest.log("action","[metatools] Player "..name.." failed entering stratum "..meta_info[name]["stratum"].." of node "..minetest.get_node(meta_info[name]["node"]).name.." at pos "..minetest.pos_to_string(meta_info[name]["node"]))
return false
elseif paramlist[1] == "quit" then
if not meta_info[name] or not meta_info[name]["node"] then
minetest.chat_send_player(name,"- meta::quit - You have no node open, use /meta open (x,y,z) to open one")
minetest.log("action","[metatools] Player "..name.." failed quitting stratum : no node opened")
return false
end
if meta_info[name]["stratum"] == 0 then
minetest.chat_send_player(name,"- meta::quit - You are in the highest stratum, you cannot go back")
minetest.log("action","[metatools] Player "..name.." tried quitting highest stratum")
return false
end
meta_info[name]["stratum"] = meta_info[name]["stratum"] - 1
meta_info[name]["pathname"][meta_info[name]["stratum"] + 1] = nil
metatools.actualize_metalist(name)
minetest.chat_send_player(name,"- meta::quit - Stratum "..meta_info[name]["stratum"] + 1 .." quitted. Actual stratum is "..meta_info[name]["stratum"])
minetest.log("action","[metatools] Player "..name.." quited stratum "..meta_info[name]["stratum"]+1 .." of node "..minetest.get_node(meta_info[name]["node"]).name.." at pos "..minetest.pos_to_string(meta_info[name]["node"]))
return true
elseif paramlist[1] == "set" then
if not meta_info[name] or not meta_info[name]["node"] then
minetest.chat_send_player(name,"- meta::set - You have no node open, use /meta open (x,y,z) to open one")
minetest.log("action","[metatools] Player "..name.." failed setting value : no node opened")
return false
end
if not paramlist[2] then
minetest.chat_send_player(name,"- meta::set - You must provide a variable name for the value you want to set")
minetest.log("action","[metatools] Player "..name.." failed setting value : no variable name given")
return false
end
if not paramlist[3] then
minetest.chat_send_player(name,"- meta::set - You must provide a value for the variable you want to set")
minetest.log("action","[metatools] Player "..name.." failed setting variable ".. paramlist[3] .." : no value given")
return false
end
local i = 4
while (true) do
if paramlist[i] ~= nil then
paramlist[3] = paramlist[3] .. " " .. paramlist[i]
else
break
end
i = i + 1
end
local meta = minetest.get_meta(meta_info[name]["node"])
if tonumber(paramlist[3]) ~= nil then
if tonumber(paramlist[3]) % 1 == 0 then
meta:set_int(paramlist[2],tonumber(paramlist[3]))
else
meta:set_float(paramlist[2],tonumber(paramlist[3]))
end
elseif type(paramlist[3]) == "string" then
meta:set_string(paramlist[2],paramlist[3])
end
minetest.chat_send_player(name,"- meta::set - Variable set")
minetest.log("action","[metatools] Player " .. name .. " set variable " .. paramlist[2] .. " to value " .. paramlist[3] .. " in stratum " .. meta_info[name]["stratum"] .. " of node " .. minetest.get_node(meta_info[name]["node"]).name .. " at pos " .. minetest.pos_to_string(meta_info[name]["node"]))
metatools.actualize_metalist(name)
return true
elseif paramlist[1] == "itemstack" then
if not meta_info[name] or not meta_info[name]["node"] then
minetest.chat_send_player(name,"- meta::itemstack - You have no node open, use /meta open (x,y,z) to open one")
minetest.log("action","[metatools] Player "..name.." failed itemstack : no node opened")
return false
end
if not paramlist[2] then
minetest.chat_send_player(name,"- meta::itemstack - You must provide a subcommand for the itemstack subcommand")
minetest.log("action","[metatools] Player "..name.." failed itemstack : no subcommand")
return false
end
if not (meta_info[name]["stratum"] > 1 and meta_info[name]["pathname"][meta_info[name]["stratum"]-1] == "inventory") then
minetest.chat_send_player(name,"- meta::itemstack - Itemstack must only exist in inventory fields")
minetest.log("action","[metatools] Player " .. name .. " tried to access itemstack out of inventory's fields")
return false
end
if paramlist[2] == "read" then
if not paramlist[3] then
minetest.chat_send_player(name,"- meta::itemstack::read - You must provide a field name (eg. a number) to read")
minetest.log("action","[metatools] Player " .. name .. " failed itemstack reading : no field name")
return false
end
for key,value in pairs(meta_info[name]["pointer"]) do
if key ~= nil and key.."" == paramlist[3] then -- Forced conversion to string type
local itemstack = value
if not itemstack:get_name() or not itemstack:get_count() then
minetest.chat_send_player(name,"- meta::itemstack::read - Itemstack recognition failed. Field content isn't an itemstack")
minetest.log("action","[metatools] Player " .. name .. " tried to access field " .. key .. " which is not an itemstack")
end
local itemname = itemstack:get_name()
local itemcount = itemstack:get_count()
if itemname == "" then
minetest.chat_send_player(name,"- meta::itemstack::read - Itemstack of field ".. key .." is empty")
minetest.log("action","[metatools] Player ".. name .. " read itemstack of field ".. key .." : empty stack")
else
minetest.chat_send_player(name,"- meta::itemstack::read - Itemstack of field ".. key .." : "..itemstack:get_name().." "..itemstack:get_count())
minetest.log("action","[metatools] Player ".. name .. " read itemstack of field ".. key .." : "..itemname.." "..itemcount)
end
return true
end
end
minetest.chat_send_player(name,"- meta::itemstack::read - Field " .. paramlist[3] .. " doesn't exist")
minetest.log("action","[metatools] Player " .. name .. " tried to access itemstack in unknown field " .. paramlist[3])
elseif paramlist[2] == "erase" then
if not paramlist[3] then
minetest.chat_send_player(name,"- meta::itemstack::write - You must provide a field name (eg. a number) to erase")
minetest.log("action","[metatools] Player " .. name .. " failed itemstack erasing : no field name")
return false
end
local meta = minetest.get_meta(meta_info[name]["node"])
local inv = meta:get_inventory()
for key,value in pairs(meta_info[name]["pointer"]) do
if key ~= nil and key.."" == paramlist[3] then -- Forced conversion to string type
local itemstack = value
inv:set_stack(meta_info[name]["pathname"][meta_info[name]["stratum"]],key+0,nil)
minetest.chat_send_player(name,"- meta::itemstack::erase - Itemstack of field ".. key .." cleared")
minetest.log("action","[metatools] Player ".. name .. " cleared itemstack of field ".. key)
return true
end
end
minetest.chat_send_player(name,"- meta::itemstack::erase - Field " .. paramlist[3] .. " doesn't exist")
minetest.log("action","[metatools] Player " .. name .. " tried to erase itemstack in unknown field " .. paramlist[3])
elseif paramlist[2] == "write" then
if not paramlist[3] then
minetest.chat_send_player(name,"- meta::itemstack::write - You must provide a field name (eg. a number) to write to")
minetest.log("action","[metatools] Player " .. name .. " failed itemstack writing : no field name")
return false
end
if not paramlist[4] then
minetest.chat_send_player(name,"- meta::itemstack::write - You must provide an itemstring (eg. 'default:chest') for the itemstack to write")
minetest.log("action","[metatools] Player " .. name .. " failed itemstack writing : no itemstring")
return false
end
if paramlist[5] and paramlist[5] == 0 then
minetest.chat_send_player(name,"- meta::itemstack::write - It is useless to write 0 items. Use meta erase "..paramlist[3].." instead")
minetest.log("action","[metatools] Player ".. name .. " wanted to write 0 items in " .. paramlist[3] .. " inventory field")
return false
end
local itemstring = paramlist[4]
local itemcount = paramlist[5] or 1
local meta = minetest.get_meta(meta_info[name]["node"])
local inv = meta:get_inventory()
for key,value in pairs(meta_info[name]["pointer"]) do
if key ~= nil and key.."" == paramlist[3] then -- Forced conversion to string type
inv:set_stack(meta_info[name]["pathname"][meta_info[name]["stratum"]],key+0,ItemStack({name = itemstring,count = itemcount}))
minetest.chat_send_player(name,"- meta::itemstack::write - Itemstack written in field ".. key)
minetest.log("action","[metatools] Player ".. name .. " wrote itemstack '".. itemstring.. " " ..itemcount.."' in field ".. key)
return true
end
end
minetest.chat_send_player(name,"- meta::itemstack::write - Field " .. paramlist[3] .. " doesn't exist")
minetest.log("action","[metatools] Player " .. name .. " tried to write itemstack in unknown field " .. paramlist[3])
else
minetest.chat_send_player("- meta::itemstack - Subcommand " .. paramlist[2] .. " unknown. Typ /meta help for help")
return false
end
else
minetest.chat_send_player(name,"- meta - Subcommand " .. paramlist[1] .. " not known. Type /meta help for help")
return false
end
end
})
minetest.register_on_leaveplayer(function(player)
local name = player:get_player_name()
if meta_info[name] then
meta_info[name] = nil
minetest.log("action","[metatools] Flushed datas of player "..name)
end
end)