From c2f3069f7c13245bd51038b3bde8d3b3a3a5e3b0 Mon Sep 17 00:00:00 2001
From: Deathwing777 <160651137+Deathwing777@users.noreply.github.com>
Date: Sun, 20 Oct 2024 13:26:39 -0700
Subject: [PATCH] Fixes Issue #64

Uses a simple boolean setting in default_settings.lua to decide which digiline rules to use in common.lua
---
 common.lua           | 12 +++++++++++-
 default_settings.lua |  1 +
 settingtypes.txt     |  5 +++++
 3 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/common.lua b/common.lua
index dcf2c7f..d748c83 100644
--- a/common.lua
+++ b/common.lua
@@ -15,7 +15,17 @@ pipeworks.rules_all = {{x=0, y=0, z=1},{x=0, y=0, z=-1},{x=1, y=0, z=0},{x=-1, y
 		{x=0, y=1, z=0}, {x=0, y=-1, z=0}}
 
 pipeworks.mesecons_rules={{x=0,y=0,z=1},{x=0,y=0,z=-1},{x=1,y=0,z=0},{x=-1,y=0,z=0},{x=0,y=1,z=0},{x=0,y=-1,z=0}}
-pipeworks.digilines_rules={{x=0,y=0,z=1},{x=0,y=0,z=-1},{x=1,y=0,z=0},{x=-1,y=0,z=0},{x=0,y=1,z=0},{x=0,y=-1,z=0}}
+
+local digilines_enabled = minetest.get_modpath("digilines") ~= nil
+if digilines_enabled and pipeworks.use_default_digilines_rules then
+	pipeworks.digilines_rules=digilines.rules.default
+else
+	-- These rules break vertical connectivity to deployers, node breakers, dispensers, and digiline filter injectors
+	-- via digiline conducting tubes. Changing them may break some builds on some servers, so the setting was added
+	-- for server admins to be able to revert to the old "broken" behavior as some builds may use it as a "feature".
+	-- See https://github.com/mt-mods/pipeworks/issues/64
+	pipeworks.digilines_rules={{x=0,y=0,z=1},{x=0,y=0,z=-1},{x=1,y=0,z=0},{x=-1,y=0,z=0},{x=0,y=1,z=0},{x=0,y=-1,z=0}}
+end
 
 pipeworks.liquid_texture = minetest.registered_nodes[pipeworks.liquids.water.flowing].tiles[1]
 if type(pipeworks.liquid_texture) == "table" then pipeworks.liquid_texture = pipeworks.liquid_texture.name end
diff --git a/default_settings.lua b/default_settings.lua
index c48d852..c4edf44 100644
--- a/default_settings.lua
+++ b/default_settings.lua
@@ -31,6 +31,7 @@ local settings = {
 	delete_item_on_clearobject = true,
 	use_real_entities = true,
 	entity_update_interval = 0,
+	use_default_digilines_rules = true,
 }
 
 pipeworks.toggles = {}
diff --git a/settingtypes.txt b/settingtypes.txt
index 8508892..013ffd6 100644
--- a/settingtypes.txt
+++ b/settingtypes.txt
@@ -85,6 +85,11 @@ pipeworks_use_real_entities (Use Real Entities) bool true
 #A value 0.2 or above may cause issues with accelerator tubes.
 pipeworks_entity_update_interval (Entity Update Interval) float 0 0 0.8
 
+# Use the default rules from the digilines mod.
+# If enabled pipeworks devices (filter injector, deployer, dispenser, node breaker, 
+# teleport tube, lua tube, etc) will conduct digiline signals vertically.
+pipeworks_use_default_digilines_rules (Use the default rules from the digilines mod) bool true
+
 # if set to true, items passing through teleport tubes will log log where they came from and where they went.
 pipeworks_log_teleport_tubes (Log Teleport Tubes) bool false