From 1d3e9fffaf6d88981fa13bed2cd76db35d3d0dd4 Mon Sep 17 00:00:00 2001
From: Brevven <brevingame@gmail.com>
Date: Fri, 19 Mar 2021 23:12:54 -0700
Subject: [PATCH] k2 wafer deadlock fix

---
 changelog.txt                 | 5 +++++
 control.lua                   | 3 +++
 info.json                     | 2 +-
 prototypes/silicon-recipe.lua | 2 ++
 util.lua                      | 4 +++-
 5 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/changelog.txt b/changelog.txt
index fec785d..0c91e90 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -1,4 +1,9 @@
 ---------------------------------------------------------------------------------------------------
+Version: 0.6.4
+Date: 2021-03-15
+  Fixes:
+    - Fix tech deadlock in K2 with intermediates on (type SiliconRecipes)
+---------------------------------------------------------------------------------------------------
 Version: 0.6.3
 Date: 2021-03-14
   Features:
diff --git a/control.lua b/control.lua
index 0a1ac5f..9f5333c 100644
--- a/control.lua
+++ b/control.lua
@@ -7,6 +7,9 @@ script.on_event( defines.events.on_console_chat, function(event)
       if game.players[event.player_index].force.recipes["solar-cell"] then
         game.players[event.player_index].force.recipes["solar-cell"].enabled=true      
       end
+      if game.players[event.player_index].force.recipes["hydrogen-chloride"] then
+        game.players[event.player_index].force.recipes["hydrogen-chloride"].enabled=true      
+      end
   end
 end)
 
diff --git a/info.json b/info.json
index 30754f5..849446a 100644
--- a/info.json
+++ b/info.json
@@ -1,6 +1,6 @@
 {
     "name": "bzsilicon",
-    "version": "0.6.3",
+    "version": "0.6.4",
     "factorio_version": "1.1",
     "title": "Silica & Silicon",
     "author": "Brevven",
diff --git a/prototypes/silicon-recipe.lua b/prototypes/silicon-recipe.lua
index 05c4f09..ce9613d 100644
--- a/prototypes/silicon-recipe.lua
+++ b/prototypes/silicon-recipe.lua
@@ -139,4 +139,6 @@ data:extend({
     result_count = 2,
   },
 })
+
+util.add_effect("kr-fluids-chemistry", {type="unlock-recipe", recipe="hydrogen-chloride"})
 end
diff --git a/util.lua b/util.lua
index 59f6d63..f7e75bf 100644
--- a/util.lua
+++ b/util.lua
@@ -34,7 +34,9 @@ end
 -- Add a prerequisite to a given technology
 function util.add_prerequisite(technology_name, prerequisite)
   technology = data.raw.technology[technology_name]
-	table.insert(technology.prerequisites, prerequisite)
+  if technology then
+    table.insert(technology.prerequisites, prerequisite)
+  end
 end
 
 -- Add a given quantity of ingredient to a given recipe