From 2cd53c60d8164c3ff193f6f4beb80f211cde53ee Mon Sep 17 00:00:00 2001
From: Brevven <brevingame@gmail.com>
Date: Mon, 14 Jun 2021 23:50:06 -0700
Subject: [PATCH] fix k2 realistic weapons off

---
 changelog.txt     |  5 +++++
 info.json         |  2 +-
 tungsten-util.lua | 18 ++++++++++++++++++
 3 files changed, 24 insertions(+), 1 deletion(-)

diff --git a/changelog.txt b/changelog.txt
index 3753c1a..b3716a8 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -1,4 +1,9 @@
 ---------------------------------------------------------------------------------------------------
+Version: 0.1.5
+Date: 2021-06-15
+  Fixes:
+    - Fix K2 Issue when more realistic weapons is off, and more general duplicate fix.
+---------------------------------------------------------------------------------------------------
 Version: 0.1.4
 Date: 2021-06-15
   Features:
diff --git a/info.json b/info.json
index 8ab4f6f..24c22c3 100644
--- a/info.json
+++ b/info.json
@@ -1,6 +1,6 @@
 {
     "name": "bztungsten",
-    "version": "0.1.4",
+    "version": "0.1.5",
     "factorio_version": "1.1",
     "title": "Tungsten",
     "author": "Brevven",
diff --git a/tungsten-util.lua b/tungsten-util.lua
index 4ee501e..ebcc475 100644
--- a/tungsten-util.lua
+++ b/tungsten-util.lua
@@ -96,6 +96,12 @@ end
 
 function add_ingredient(recipe, ingredient, quantity)
   if recipe ~= nil and recipe.ingredients ~= nil then
+    for i, existing in pairs(recipe.ingredients) do
+      if existing[1] == ingredient or existing.name == ingredient then
+        log("Not adding "..ingredient.." -- duplicate")
+        return
+      end
+    end
     table.insert(recipe.ingredients, {ingredient, quantity})
   end
 end
@@ -127,6 +133,12 @@ end
 
 function replace_ingredient(recipe, old, new)
 	if recipe ~= nil and recipe.ingredients ~= nil then
+    for i, existing in pairs(recipe.ingredients) do
+      if existing[1] == new or existing.name == new then
+        log("Not adding "..new.." -- duplicate")
+        return
+      end
+    end
 		for i, ingredient in pairs(recipe.ingredients) do 
 			if ingredient.name == old then ingredient.name = new end
 			if ingredient[1] == old then ingredient[1] = new end
@@ -170,6 +182,12 @@ end
 
 function replace_some_ingredient(recipe, old, old_amount, new, new_amount)
 	if recipe ~= nil and recipe.ingredients ~= nil then
+    for i, existing in pairs(recipe.ingredients) do
+      if existing[1] == new or existing.name == new then
+        log("Not adding "..new.." -- duplicate")
+        return
+      end
+    end
 		for i, ingredient in pairs(recipe.ingredients) do 
 			-- For final fixes
 			if ingredient.name == old then