From 167ab93905a8206be2a5f4d9619c4b9f710bb211 Mon Sep 17 00:00:00 2001
From: SmallJoker <mk939@ymail.com>
Date: Tue, 14 Jun 2022 20:49:21 +0200
Subject: [PATCH] Maintenance: Remove depends.txt and error on old MT versions

---
 technic/machines/HV/quarry.lua |   24 ++++++++++++++++++++----
 1 files changed, 20 insertions(+), 4 deletions(-)

diff --git a/technic/machines/HV/quarry.lua b/technic/machines/HV/quarry.lua
index 0a45559..1bf1ad6 100644
--- a/technic/machines/HV/quarry.lua
+++ b/technic/machines/HV/quarry.lua
@@ -47,19 +47,30 @@
 	local radius = meta:get_int("size")
 	local diameter = radius*2 + 1
 	local machine_name = S("%s Quarry"):format("HV")
-	if meta:get_int("enabled") == 0 or meta:get_int("purge_on") == 1 then
-		meta:set_string("infotext", S(meta:get_int("purge_on") == 1 and "%s purging cache" or "%s Disabled"):format(machine_name))
+	local do_purge = meta:get_int("purge_on") == 1
+	if meta:get_int("enabled") == 0 or do_purge then
+		local infotext = do_purge and
+			S("%s purging cache") or S("%s Disabled")
+		meta:set_string("infotext", infotext:format(machine_name))
 		meta:set_int("HV_EU_demand", 0)
 	elseif meta:get_int("dug") == diameter*diameter * (quarry_dig_above_nodes+1+quarry_max_depth) then
 		meta:set_string("infotext", S("%s Finished"):format(machine_name))
 		meta:set_int("HV_EU_demand", 0)
 	else
-		meta:set_string("infotext", S(meta:get_int("HV_EU_input") >= quarry_demand and "%s Active" or "%s Unpowered"):format(machine_name))
+		local infotext = meta:get_int("HV_EU_input") >= quarry_demand
+			and S("%s Active") or S("%s Unpowered")
+		meta:set_string("infotext", infotext:format(machine_name))
 		meta:set_int("HV_EU_demand", quarry_demand)
 	end
 end
 
 local function quarry_receive_fields(pos, formname, fields, sender)
+	local player_name = sender:get_player_name()
+	if minetest.is_protected(pos, player_name) then
+		minetest.chat_send_player(player_name, "You are not allowed to edit this!")
+		minetest.record_protection_violation(pos, player_name)
+		return
+	end
 	local meta = minetest.get_meta(pos)
 	if fields.size and string.find(fields.size, "^[0-9]+$") then
 		local size = tonumber(fields.size)
@@ -112,6 +123,11 @@
 
 	if meta:get_int("enabled") and meta:get_int("HV_EU_input") >= quarry_demand and meta:get_int("purge_on") == 0 then
 		local pdir = minetest.facedir_to_dir(node.param2)
+		if pdir.y ~= 0 then
+			-- faces up or down, not valid, otherwise depth-check would run endless and hang up the server
+			return
+		end
+
 		local qdir = pdir.x == 1 and vector.new(0,0,-1) or
 			(pdir.z == -1 and vector.new(-1,0,0) or
 			(pdir.x == -1 and vector.new(0,0,1) or
@@ -124,7 +140,7 @@
 			vector.multiply(qdir, -radius))
 		local owner = meta:get_string("owner")
 		local nd = meta:get_int("dug")
-		while nd ~= diameter*diameter * (quarry_dig_above_nodes+1+quarry_max_depth) do
+		while nd < diameter*diameter * (quarry_dig_above_nodes+1+quarry_max_depth) do
 			local ry = math.floor(nd / (diameter*diameter))
 			local ndl = nd % (diameter*diameter)
 			if ry % 2 == 1 then

--
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