advtrains/advtrains_luaautomation/active_common.lua

135 lines
3.6 KiB
Lua

local ac = {nodes={}}
function ac.load(data)
if data then
ac.nodes=data.nodes
end
end
function ac.save()
return {nodes = ac.nodes}
end
function ac.after_place_node(pos, player)
advtrains.ndb.update(pos)
local meta=minetest.get_meta(pos)
meta:set_string("formspec", ac.getform(pos, meta))
meta:set_string("infotext", "LuaAutomation component, unconfigured.")
local ph=minetest.pos_to_string(pos)
--just get first available key!
for en,_ in pairs(atlatc.envs) do
ac.nodes[ph]={env=en}
return
end
end
function ac.getform(pos, meta_p)
local meta = meta_p or minetest.get_meta(pos)
local envs_asvalues={}
local ph=minetest.pos_to_string(pos)
local nodetbl = ac.nodes[ph]
local env, code, err = nil, "", ""
if nodetbl then
code=nodetbl.code or ""
err=nodetbl.err or ""
env=nodetbl.env or ""
end
local sel = 1
for n,_ in pairs(atlatc.envs) do
envs_asvalues[#envs_asvalues+1]=n
if n==env then
sel=#envs_asvalues
end
end
local form = "size[10,10]dropdown[0,0;3;env;"..table.concat(envs_asvalues, ",")..";"..sel.."]"
.."button[4,0;2,1;save;Save]button[7,0;2,1;cle;Clear local env] textarea[0.2,1;10,10;code;Code;"..minetest.formspec_escape(code).."]"
.."label[0,9.8;"..err.."]"
return form
end
function ac.after_dig_node(pos, node, player)
advtrains.invalidate_all_paths(pos)
advtrains.ndb.clear(pos)
local ph=minetest.pos_to_string(pos)
ac.nodes[ph]=nil
end
function ac.on_receive_fields(pos, formname, fields, player)
if not minetest.check_player_privs(player:get_player_name(), {atlatc=true}) then
minetest.chat_send_player(player:get_player_name(), "Missing privilege: atlatc - Operation cancelled!")
return
end
local meta=minetest.get_meta(pos)
local ph=minetest.pos_to_string(pos)
local nodetbl = ac.nodes[ph] or {}
--if fields.quit then return end
if fields.env then
nodetbl.env=fields.env
end
if fields.code then
nodetbl.code=fields.code
end
if fields.save then
nodetbl.err=nil
end
if fields.cle then
nodetbl.data={}
end
ac.nodes[ph]=nodetbl
meta:set_string("formspec", ac.getform(pos, meta))
if nodetbl.env then
meta:set_string("infotext", "LuaAutomation component, assigned to environment '"..nodetbl.env.."'")
else
meta:set_string("infotext", "LuaAutomation component, invalid enviroment set!")
end
end
function ac.run_in_env(pos, evtdata, customfct_p)
local ph=minetest.pos_to_string(pos)
local nodetbl = ac.nodes[ph]
if not nodetbl then
atwarn("LuaAutomation component at",ph,": Data not in memory! Please visit component and click 'Save'!")
return
end
local meta
if minetest.get_node_or_nil(pos) then
meta=minetest.get_meta(pos)
end
if not nodetbl.env or not atlatc.envs[nodetbl.env] then
atwarn("LuaAutomation component at",ph,": Not an existing environment: "..(nodetbl.env or "<nil>"))
return false
end
if not nodetbl.code or nodetbl.code=="" then
atwarn("LuaAutomation component at",ph,": No code to run! (insert -- to suppress warning)")
return false
end
local customfct=customfct_p or {}
customfct.interrupt=function(t, imesg)
atlatc.interrupt.add(t, pos, {type="int", int=true, message=imesg})
end
local datain=nodetbl.data or {}
local succ, dataout = atlatc.envs[nodetbl.env]:execute_code(datain, nodetbl.code, evtdata, customfct)
if succ then
atlatc.active.nodes[ph].data=atlatc.remove_invalid_data(dataout)
else
atlatc.active.nodes[ph].err=dataout
atwarn("LuaAutomation ATC interface rail at",ph,": LUA Error:",dataout)
if meta then
meta:set_string("infotext", "LuaAutomation ATC interface rail, ERROR:"..dataout)
end
end
if meta then
meta:set_string("formspec", ac.getform(pos, meta))
end
end
atlatc.active=ac