diff options
| -rw-r--r-- | advtrains_luaautomation/active_common.lua | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/advtrains_luaautomation/active_common.lua b/advtrains_luaautomation/active_common.lua index da0a99b..63ccfcd 100644 --- a/advtrains_luaautomation/active_common.lua +++ b/advtrains_luaautomation/active_common.lua @@ -87,6 +87,52 @@ function ac.on_receive_fields(pos, formname, fields, player) -- discard all schedules for this node advtrains.lines.sched.discard_all(advtrains.encode_pos(pos)) end + + -- Parse code headers + --[[ + Valid code headers: + * ADVT-Environment-Name: <env name> + * ADVT-Approach-Callback-Mode: <0/1/2> + ]] + local errmsg_lines = {} + local code_headers = {} + for k, v in nodetbl.code:gmatch("%-%- ADVT%-([%w%-]+): ([^\n\r]*)") do + code_headers[k] = v + end + + if code_headers["Environment-Name"] then + local env = code_headers["Environment-Name"]:trim() + if not atlatc.envs[env] then + errmsg_lines[#errmsg_lines+1] = S("Invalid environment name in header: @1", env) + else + nodetbl.env = env + end + code_headers["Environment-Name"] = nil + end + + if code_headers["Approach-Callback-Mode"] then + local mode_raw = code_headers["Approach-Callback-Mode"]:trim() + if mode_raw == "0" or mode_raw == "1" or mode_raw == "2" then + nodetbl.data = nodetbl.data or {} + nodetbl.data.__approach_callback_mode = tonumber(mode_raw) + else + errmsg_lines[#errmsg_lines+1] = S("Invalid approach callback mode in header: @1", mode_raw) + end + code_headers["Approach-Callback-Mode"] = nil + end + + local invalid_headers = {} + for k in pairs(code_headers) do + invalid_headers[#invalid_headers+1] = k + end + if #invalid_headers > 0 then + table.sort(invalid_headers) + errmsg_lines[#errmsg_lines+1] = S("Invalid attribute headers: @1", table.concat(invalid_headers, ", ")) + end + + if #errmsg_lines > 0 then + nodetbl.err = core.formspec_escape(table.concat(errmsg_lines, "; ")) + end end if fields.cle then nodetbl.data={} |