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path: root/advtrains/advtrains_luaautomation/active_common.lua
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-rw-r--r--advtrains/advtrains_luaautomation/active_common.lua133
1 files changed, 133 insertions, 0 deletions
diff --git a/advtrains/advtrains_luaautomation/active_common.lua b/advtrains/advtrains_luaautomation/active_common.lua
new file mode 100644
index 0000000..0351c85
--- /dev/null
+++ b/advtrains/advtrains_luaautomation/active_common.lua
@@ -0,0 +1,133 @@
+
+
+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()
+ 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!")
+ 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(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