Support GT_Block_Machines in mutation requirements

* New formula

* Make production modifier globally additive

src/main/java/forestry/apiculture/BeeHousingModifier.java

@@ -51,7 +51,7 @@ public class BeeHousingModifier implements IBeeModifier {
     public float getProductionModifier(IBeeGenome genome, final float currentModifier) {
         float modifierValue = 1.0f;
         for (IBeeModifier modifier : beeHousing.getBeeModifiers()) {
-            modifierValue *= modifier.getProductionModifier(genome, modifierValue * currentModifier);
+            modifierValue += modifier.getProductionModifier(genome, modifierValue + currentModifier);
         }
         return modifierValue;
     }

src/main/java/forestry/apiculture/genetics/Bee.java

@@ -455,12 +455,11 @@ public class Bee extends IndividualLiving implements IBee {
     // / PRODUCTION
     @Override
     public ItemStack[] getProduceList() {
-        ArrayList<ItemStack> products = new ArrayList<>();
 
         IAlleleBeeSpecies primary = genome.getPrimary();
         IAlleleBeeSpecies secondary = genome.getSecondary();
 
-        products.addAll(primary.getProductChances().keySet());
+        ArrayList<ItemStack> products = new ArrayList<>(primary.getProductChances().keySet());
 
         Set<ItemStack> secondaryProducts = secondary.getProductChances().keySet();
         // Remove duplicates
@@ -479,13 +478,13 @@ public class Bee extends IndividualLiving implements IBee {
             }
         }
 
-        return products.toArray(new ItemStack[products.size()]);
+        return products.toArray(new ItemStack[0]);
     }
 
     @Override
     public ItemStack[] getSpecialtyList() {
         Set<ItemStack> specialties = genome.getPrimary().getSpecialtyChances().keySet();
-        return specialties.toArray(new ItemStack[specialties.size()]);
+        return specialties.toArray(new ItemStack[0]);
     }
 
     @Override
@@ -517,7 +516,6 @@ public class Bee extends IndividualLiving implements IBee {
         float speed = genome.getSpeed();
         float prodModifier = beeHousingModifier.getProductionModifier(genome, 1f)
                 * beeModeModifier.getProductionModifier(genome, 1f);
-        prodModifier /= 4f;
 
         // / Primary Products
         for (Map.Entry<ItemStack, Float> entry : primary.getProductChances().entrySet()) {
@@ -541,7 +539,7 @@ public class Bee extends IndividualLiving implements IBee {
             }
         }
 
-        ItemStack[] productsArray = products.toArray(new ItemStack[products.size()]);
+        ItemStack[] productsArray = products.toArray(new ItemStack[0]);
         ChunkCoordinates housingCoordinates = housing.getCoordinates();
         return genome.getFlowerProvider().affectProducts(
                 housing.getWorld(),
@@ -554,9 +552,9 @@ public class Bee extends IndividualLiving implements IBee {
 
     public static float getFinalChance(float chance, float beeSpeed, float productionModifier, float t) {
         chance *= 100f;
-        return (float) (((1f + t / 6f) * Math.sqrt(chance) * 2f * (1f + beeSpeed)
-                + Math.pow(productionModifier, Math.cbrt(chance))
-                - 3f) / 100f);
+        return (float) (2.8 * Math.pow(chance, 0.52)
+                * Math.pow((productionModifier + t), 0.52)
+                * Math.pow(beeSpeed, 0.37)) / 100.f;
     }
 
     /* REPRODUCTION */

src/main/java/forestry/core/utils/BlockUtil.java

@@ -231,10 +231,14 @@ public abstract class BlockUtil {
 
     private static Class<? extends Block> BW_MetaGenerated_WerkstoffBlocksClass;
     private static Block BWBlocks;
-    private static boolean bw = Loader.isModLoaded("bartworks");
+    private static Class<? extends Block> GTBlockMachines_Class;
+    private static Block GTBlockMachines;
+    private static final boolean bw = Loader.isModLoaded("bartworks");
+    private static final boolean gt = Loader.isModLoaded("gregtech");
 
     static {
         if (bw) try {
+            // noinspection unchecked
             BW_MetaGenerated_WerkstoffBlocksClass = (Class<? extends Block>) Class
                     .forName("com.github.bartimaeusnek.bartworks.system.material.BW_MetaGenerated_WerkstoffBlocks");
             BWBlocks = (Block) Class.forName("com.github.bartimaeusnek.bartworks.system.material.WerkstoffLoader")
@@ -242,6 +246,13 @@ public abstract class BlockUtil {
         } catch (ClassNotFoundException | NoSuchFieldException | IllegalAccessException e) {
             e.printStackTrace();
         }
+        if (gt) try {
+            // noinspection unchecked
+            GTBlockMachines_Class = (Class<? extends Block>) Class.forName("gregtech.common.blocks.GT_Block_Machines");
+            GTBlockMachines = (Block) Class.forName("gregtech.api.GregTech_API").getField("sBlockMachines").get(null);
+        } catch (ClassNotFoundException | NoSuchFieldException | IllegalAccessException e) {
+            e.printStackTrace();
+        }
     }
 
     public static ItemStack getItemStackFromBlockBelow(World world, int x, int y, int z,
@@ -260,6 +271,10 @@ public abstract class BlockUtil {
             return new ItemStack(BWBlocks, 1, block.getDamageValue(world, x, y - depth, z));
         }
 
+        if (gt && GTBlockMachines_Class.isInstance(block)) {
+            return new ItemStack(GTBlockMachines, 1, block.getDamageValue(world, x, y - depth, z));
+        }
+
         return new ItemStack(block, 1, world.getBlockMetadata(x, y - depth, z));
     }
 }