Fix BOP Turnip Seeds extracted into 0mB of Seed Oil (#39)

* Fix BOP Turnip Seeds extracted into 0mB of Seed Oil

* Use `GameRegistry#findItemStack`

src/main/java/forestry/core/genetics/BreedingTracker.java

@@ -20,6 +20,7 @@ import forestry.api.genetics.IMutation;
 import forestry.api.genetics.ISpeciesRoot;
 import forestry.core.network.packets.PacketGenomeTrackerSync;
 import forestry.core.proxy.Proxies;
+import java.lang.ref.WeakReference;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.HashSet;
@@ -57,7 +58,7 @@ public abstract class BreedingTracker extends WorldSavedData implements IBreedin
     private GameProfile username;
 
     @Nullable
-    private World world;
+    private WeakReference<World> world;
 
     protected BreedingTracker(String s) {
         super(s);
@@ -68,7 +69,7 @@ public abstract class BreedingTracker extends WorldSavedData implements IBreedin
     }
 
     public void setWorld(@Nullable World world) {
-        this.world = world;
+        this.world = new WeakReference<>(world);
     }
 
     @Override
@@ -113,6 +114,7 @@ public abstract class BreedingTracker extends WorldSavedData implements IBreedin
             Collection<String> discoveredSpecies,
             Collection<String> discoveredMutations,
             Collection<String> researchedMutations) {
+        World world = this.world != null ? this.world.get() : null;
         if (world != null && username != null && username.getName() != null) {
             EntityPlayer player = world.getPlayerEntityByName(username.getName());
             if (player instanceof EntityPlayerMP && !(player instanceof FakePlayer)) {

src/main/java/forestry/plugins/compat/PluginBiomesOPlenty.java

@@ -126,10 +126,6 @@ public class PluginBiomesOPlenty extends ForestryPlugin {
                 Farmables.farmables
                         .get(FarmableReference.Vegetables.get())
                         .add(new FarmableGenericCrop(boPTurnipSeedStack, boPTurnip, 7));
-                if (PluginManager.Module.FACTORY.isEnabled()) {
-                    RecipeManagers.squeezerManager.addRecipe(
-                            10, new ItemStack[] {boPTurnipSeedStack}, Fluids.SEEDOIL.getFluid(amount));
-                }
             }
 
             Farmables.farmables.get(FarmableReference.Orchard.get()).add(new FarmableBasicFruit(boPTurnip, 7));
@@ -171,6 +167,14 @@ public class PluginBiomesOPlenty extends ForestryPlugin {
             RecipeManagers.squeezerManager.addRecipe(
                     10, new ItemStack[] {persimmon}, Fluids.JUICE.getFluid(200), mulch, 20);
         }
+
+        ItemStack boPTurnipSeedStack = GameRegistry.findItemStack(BoP, "turnipSeeds", 1);
+        if (boPTurnipSeedStack != null) {
+            if (PluginManager.Module.FACTORY.isEnabled()) {
+                RecipeManagers.squeezerManager.addRecipe(
+                        10, new ItemStack[] {boPTurnipSeedStack}, Fluids.SEEDOIL.getFluid(amount));
+            }
+        }
     }
 
     private static void addFlowers() {

src/main/resources/assets/forestry/lang/en_US.lang

@@ -764,7 +764,7 @@ neiintegration.handler.forestry.fabricator.worth=Worth:
 # JUBILANCE
 ################
 
-for.jubilance.climate=Needs preffered climate
+for.jubilance.climate=Needs preferred climate
 for.jubilance.hermit=Will not produce if there are any other living creatures nearby
 for.jubilance.resource=Requires %s as foundation