From 66e20a9231b9fea823f9b683e495c57ef9a4ad41 Mon Sep 17 00:00:00 2001
From: sfence <sfence.software@gmail.com>
Date: Fri, 4 Nov 2022 19:23:44 +0100
Subject: [PATCH] Add register_cable_tier API function (#612)

---
 technic/doc/api.md                   | 4 ++++
 technic/machines/register/cables.lua | 7 +++++++
 2 files changed, 11 insertions(+)

diff --git a/technic/doc/api.md b/technic/doc/api.md
index efbb3ea..e22cc96 100644
--- a/technic/doc/api.md
+++ b/technic/doc/api.md
@@ -35,6 +35,10 @@ Available functions:
 * `technic.is_tier_cable(nodename, tier)`
 	* Tells whether the node `nodename` is the cable of the tier `tier`.
 	* Short version of `technic.get_cable_tier(nodename) == tier`
+* `technic.register_cable_tier(nodename, tier)`
+	* Register user defined cable to list of known tier cables.
+	* `nodename`: string, name of the node
+	* `tier`: string, tier name
 
 
 ## Machines
diff --git a/technic/machines/register/cables.lua b/technic/machines/register/cables.lua
index 139a395..95dcaea 100644
--- a/technic/machines/register/cables.lua
+++ b/technic/machines/register/cables.lua
@@ -11,6 +11,13 @@ function technic.get_cable_tier(name)
 	return cable_tier[name]
 end
 
+function technic.register_cable_tier(name, tier)
+	assert(technic.machines[tier], "Tier does not exist")
+	assert(type(name) == "string", "Invalid node name")
+
+	cable_tier[name] = tier
+end
+
 local function check_connections(pos)
 	-- Build a table of all machines
 	local machines = {}