From 6c0876d0c8f5b3b50d5efd1d5ba91310242434a9 Mon Sep 17 00:00:00 2001
From: Simon Brodtmann <github@accounts.brodtmann.info>
Date: Wed, 5 Nov 2025 00:22:10 +0100
Subject: [PATCH] Fix early game technologies with Krastorio

---
 bzgas2/data-final-fixes.lua        | 6 +++---
 bzgas2/prototypes/bakelite.lua     | 4 +++-
 bzgas2/prototypes/formaldehyde.lua | 7 ++++++-
 3 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/bzgas2/data-final-fixes.lua b/bzgas2/data-final-fixes.lua
index b23574f..dfa6292 100644
--- a/bzgas2/data-final-fixes.lua
+++ b/bzgas2/data-final-fixes.lua
@@ -9,9 +9,9 @@ util.set_product_amount("se-core-fragment-omni", "gas", 24)
 
 -- Fix basic chemical plant fuels for K2
 if mods.Krastorio2 and
-data.raw["assembling-machine"]["basic-chemical-plant"] and
-data.raw["assembling-machine"]["basic-chemical-plant"].energy_source and
-data.raw["assembling-machine"]["basic-chemical-plant"].energy_source.fuel_categories then
+  data.raw["assembling-machine"]["basic-chemical-plant"] and
+  data.raw["assembling-machine"]["basic-chemical-plant"].energy_source and
+  data.raw["assembling-machine"]["basic-chemical-plant"].energy_source.fuel_categories then
   table.insert(data.raw["assembling-machine"]["basic-chemical-plant"].energy_source.fuel_categories , "kr-vehicle-fuel")
 end
 
diff --git a/bzgas2/prototypes/bakelite.lua b/bzgas2/prototypes/bakelite.lua
index 7b7ceed..4597f08 100644
--- a/bzgas2/prototypes/bakelite.lua
+++ b/bzgas2/prototypes/bakelite.lua
@@ -1,7 +1,9 @@
 local util = require("data-util");
 
 local prereq = {"basic-chemistry"}
-if mods["bzfoundry2"] then
+if mods["Krastorio2"] then
+  table.insert(prereq, "steel-processing")
+elseif mods["bzfoundry2"] then
   table.insert(prereq, "foundry")
 end
 
diff --git a/bzgas2/prototypes/formaldehyde.lua b/bzgas2/prototypes/formaldehyde.lua
index 36b0be4..66724e3 100644
--- a/bzgas2/prototypes/formaldehyde.lua
+++ b/bzgas2/prototypes/formaldehyde.lua
@@ -7,6 +7,11 @@ local util = require("data-util");
 --   }
 -- })
 
+local prereq = {"gas-extraction"}
+if mods["Krastorio2"] then
+  table.insert(prereq, "automation-science-pack")
+end
+
 data:extend({
   {
     type = "fluid",
@@ -40,7 +45,7 @@ data:extend({
     name = "basic-chemistry",
     icon = "__bzgas2__/graphics/technology/formaldehyde.png",
     icon_size = 256,
-    prerequisites = {"gas-extraction"},
+    prerequisites = prereq,
     effects = {
       {type = "unlock-recipe", recipe = "basic-chemical-plant"},
       {type = "unlock-recipe", recipe = "formaldehyde"},