From 135a756e5bdd8f60fcc492728f2b022ba2f38481 Mon Sep 17 00:00:00 2001
From: Matthew Wilbern <39929480+fatboychummy@users.noreply.github.com>
Date: Sat, 11 Nov 2023 02:38:40 -0700
Subject: [PATCH] It's nearly 3am, can you tell?

Fix fallback failure: we should check for both 3 and 4 arguments.
---
 .../main/resources/data/computercraft/lua/rom/apis/gps.lua    | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/projects/core/src/main/resources/data/computercraft/lua/rom/apis/gps.lua b/projects/core/src/main/resources/data/computercraft/lua/rom/apis/gps.lua
index 3a8dd34af..736010811 100644
--- a/projects/core/src/main/resources/data/computercraft/lua/rom/apis/gps.lua
+++ b/projects/core/src/main/resources/data/computercraft/lua/rom/apis/gps.lua
@@ -148,8 +148,8 @@ function locate(_nTimeout, _bDebug)
             local sSide, sChannel, sReplyChannel, tMessage, nDistance = p1, p2, p3, p4, p5
             if sSide == sModemSide and sChannel == CHANNEL_GPS and sReplyChannel == CHANNEL_GPS and nDistance then
                 -- Received the correct message from the correct modem: use it to determine position
-                if type(tMessage) == "table" and #tMessage == 4 and tonumber(tMessage[1]) and tonumber(tMessage[2]) and tonumber(tMessage[3]) then
-                    local tFix = { vPosition = vector.new(tMessage[1], tMessage[2], tMessage[3]), nDistance = tonumber(tMessage[4]) and tMessage[4] or nDistance }
+                if type(tMessage) == "table" and (#tMessage == 3 or #tMessage == 4 and tonumber(tMessage[4])) and tonumber(tMessage[1]) and tonumber(tMessage[2]) and tonumber(tMessage[3]) then
+                    local tFix = { vPosition = vector.new(tMessage[1], tMessage[2], tMessage[3]), nDistance = tonumber(tMessage[4]) or nDistance }
                     if _bDebug then
                         print(tFix.nDistance .. " metres from " .. tostring(tFix.vPosition))
                     end