Add hot plastic

https://mods.factorio.com/mod/hot-metals/discussion/675af47f1fba71716b2b7f7f

hot-metals/compatibility/space-age.lua

@@ -16,4 +16,9 @@ table.insert(HotMetals.skipTechUnlocksFor, "iron-gear-wheel")
 table.insert(HotMetals.skipTechUnlocksFor, "copper-cable")
 table.insert(HotMetals.skipTechUnlocksFor, "iron-stick")
 table.insert(HotMetals.skipTechUnlocksFor, "pipe")
-table.insert(HotMetals.skipTechUnlocksFor, "pipe-to-ground")
+table.insert(HotMetals.skipTechUnlocksFor, "pipe-to-ground")
+
+if settings.startup["hot-metals-plastic"].value then
+    table.insert(HotMetals.craftingCategories, "chemistry-or-cryogenics")
+    table.insert(HotMetals.craftingCategories, "organic")
+end

hot-metals/data.lua

@@ -10,4 +10,11 @@ HotMetals = {
     skipTechUnlocksFor = {}
 }
 
+if settings.startup["hot-metals-plastic"].value then
+    table.insert(HotMetals.items, "plastic-bar")
+    if not mods["space-age"] then -- Space age uses other crafting categories
+        table.insert(HotMetals.craftingCategories, "chemistry")
+    end
+end
+
 require("compatibility.data")

hot-metals/locale/en/strings.cfg

@@ -3,6 +3,8 @@ hot=Hot
 
 [mod-setting-name]
 hot-metals-time=Cooldown time
+hot-metals-plastic=Add hot plastic
 
 [mod-setting-description]
-hot-metals-time=The time in seconds for a hot item to cool down.
+hot-metals-time=The time in seconds for a hot item to cool down.
+hot-metals-plastic=Although the temperature of hot plastic is way lower compared to metals, you might want to have a hot variant anyway.

hot-metals/settings.lua

@@ -5,5 +5,12 @@ data:extend({
         setting_type = "startup",
         default_value = 20,
         order = "a"
+    },
+    {
+        type = "bool-setting",
+        name = "hot-metals-plastic",
+        setting_type = "startup",
+        default_value = false,
+        order = "b"
     }
-})
+})