From e973d50ac6ce577ea32a0efcf1ac9fbc2e57e92d Mon Sep 17 00:00:00 2001
From: Brevven <brevingame@gmail.com>
Date: Sun, 22 Nov 2020 20:32:25 -0800
Subject: [PATCH] underwater pipe support

---
 changelog.txt             |  1 +
 titanium-recipe-final.lua | 21 +++++++++++++++++++++
 2 files changed, 22 insertions(+)

diff --git a/changelog.txt b/changelog.txt
index ab78753..7613eed 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -2,6 +2,7 @@
 Version: 0.6.10
 Date: 2020-11-21
   Features:
+    - Rust-free underwater pipe support.
     - Hover-Car support
     - Extend Hovercrafts support to Hovercrafts_Realism
 ---------------------------------------------------------------------------------------------------
diff --git a/titanium-recipe-final.lua b/titanium-recipe-final.lua
index 69a2c67..2ebc798 100644
--- a/titanium-recipe-final.lua
+++ b/titanium-recipe-final.lua
@@ -94,3 +94,24 @@ if data.raw.item["memory-unit"] then
   util.steel_to_titanium(data.raw.recipe["memory-unit"].normal)
   util.steel_to_titanium(data.raw.recipe["memory-unit"].expensive)
 end
+
+-- Underwater pipes changes
+if data.raw.item["underwater-pipe"] then
+  if data.raw.technology["underwater-pipes"] then
+    local index = -1
+    for i, elem in pairs(data.raw.technology["underwater-pipes"].prerequisites) do 
+      if elem == "steel-processing" then
+        index = i
+      end
+    end
+    if index > -1 then
+      table.remove(data.raw.technology["underwater-pipes"].prerequisites, index)
+    end
+  end
+  util.add_titanium_prerequisite(data.raw.technology["underwater-pipes"])
+
+  util.steel_to_titanium(data.raw.recipe["underwater-pipe"])
+  util.steel_to_titanium(data.raw.recipe["underwater-pipe"].normal)
+  util.steel_to_titanium(data.raw.recipe["underwater-pipe"].expensive)
+end
+