Cache frequent Enum#values() calls (#107)

src/main/java/forestry/api/apiculture/EnumBeeChromosome.java

@@ -84,7 +84,12 @@ public enum EnumBeeChromosome implements IChromosomeType {
      */
     EFFECT(IAlleleBeeEffect.class);
 
-    Class<? extends IAllele> clss;
+    final Class<? extends IAllele> clss;
+
+    /**
+     * Cached values() array for frequent read-only operations, the array should NOT be mutated.
+     */
+    public static final EnumBeeChromosome[] VALUES = values();
 
     EnumBeeChromosome(Class<? extends IAllele> clss) {
         this.clss = clss;

src/main/java/forestry/api/apiculture/EnumBeeType.java

@@ -17,9 +17,12 @@ public enum EnumBeeType implements ISpeciesType {
     LARVAE,
     NONE;
 
+    /**
+     * Cached values() array for frequent read-only operations, the array should NOT be mutated.
+     */
     public static final EnumBeeType[] VALUES = values();
 
-    String name;
+    private final String name;
 
     EnumBeeType() {
         this.name = this.toString().toLowerCase(Locale.ENGLISH);
@@ -28,4 +31,8 @@ public enum EnumBeeType implements ISpeciesType {
     public String getName() {
         return name;
     }
+
+    public static EnumBeeType fromOrdinal(int ordinal) {
+        return VALUES[ordinal];
+    }
 }

src/main/java/forestry/api/arboriculture/EnumTreeChromosome.java

@@ -73,9 +73,14 @@ public enum EnumTreeChromosome implements IChromosomeType {
     /**
      * Determines if the tree can burn.
      */
-    FIREPROOF(IAlleleBoolean.class),;
+    FIREPROOF(IAlleleBoolean.class);
 
-    Class<? extends IAllele> clss;
+    final Class<? extends IAllele> clss;
+
+    /**
+     * Cached values() array for frequent read-only operations, the array should NOT be mutated.
+     */
+    public static final EnumTreeChromosome[] VALUES = values();
 
     EnumTreeChromosome(Class<? extends IAllele> clss) {
         this.clss = clss;

src/main/java/forestry/api/core/EnumHumidity.java

@@ -17,9 +17,14 @@ public enum EnumHumidity {
     NORMAL("Normal"),
     DAMP("Damp");
 
+    /**
+     * Cached values() array for frequent read-only operations, the array should NOT be mutated.
+     */
+    public static final EnumHumidity[] VALUES = values();
+
     public final String name;
 
-    private EnumHumidity(String name) {
+    EnumHumidity(String name) {
         this.name = name;
     }
 

src/main/java/forestry/api/core/EnumTemperature.java

@@ -27,10 +27,15 @@ public enum EnumTemperature {
     HOT("Hot", "habitats/desert"),
     HELLISH("Hellish", "habitats/nether");
 
+    /**
+     * Cached values() array for frequent read-only operations, the array should NOT be mutated.
+     */
+    public static final EnumTemperature[] VALUES = values();
+
     public final String name;
     public final String iconIndex;
 
-    private EnumTemperature(String name, String iconIndex) {
+    EnumTemperature(String name, String iconIndex) {
         this.name = name;
         this.iconIndex = iconIndex;
     }

src/main/java/forestry/api/farming/FarmDirection.java

@@ -16,6 +16,11 @@ public enum FarmDirection {
 
     private final ForgeDirection forgeDirection;
 
+    /**
+     * Cached values() array for frequent read-only operations, the array should NOT be mutated.
+     */
+    public static final FarmDirection[] VALUES = values();
+
     FarmDirection(ForgeDirection forgeDirection) {
         this.forgeDirection = forgeDirection;
     }
@@ -25,17 +30,16 @@ public enum FarmDirection {
     }
 
     public static FarmDirection getFarmDirection(ForgeDirection forgeDirection) {
-        switch (forgeDirection) {
-            case NORTH:
-                return NORTH;
-            case EAST:
-                return EAST;
-            case SOUTH:
-                return SOUTH;
-            case WEST:
-                return WEST;
-            default:
-                return null;
-        }
+        return switch (forgeDirection) {
+            case NORTH -> NORTH;
+            case EAST -> EAST;
+            case SOUTH -> SOUTH;
+            case WEST -> WEST;
+            default -> null;
+        };
+    }
+
+    public static FarmDirection fromOrdinal(int ordinal) {
+        return VALUES[ordinal];
     }
 }

src/main/java/forestry/api/lepidopterology/EnumButterflyChromosome.java

@@ -77,7 +77,12 @@ public enum EnumButterflyChromosome implements IChromosomeType {
      */
     TERRITORY(IAlleleArea.class),;
 
-    Class<? extends IAllele> clss;
+    final Class<? extends IAllele> clss;
+
+    /**
+     * Cached values() array for frequent read-only operations, the array should NOT be mutated.
+     */
+    public static final EnumButterflyChromosome[] VALUES = values();
 
     EnumButterflyChromosome(Class<? extends IAllele> clss) {
         this.clss = clss;

src/main/java/forestry/apiculture/commands/CommandBeeGive.java

@@ -38,7 +38,7 @@ public class CommandBeeGive extends SubCommand {
         setPermLevel(PermLevel.ADMIN);
 
         List<String> beeTypeStrings = new ArrayList<>();
-        for (EnumBeeType type : EnumBeeType.values()) {
+        for (EnumBeeType type : EnumBeeType.VALUES) {
             if (type == EnumBeeType.NONE) {
                 continue;
             }
@@ -166,7 +166,7 @@ public class CommandBeeGive extends SubCommand {
     }
 
     private static EnumBeeType getBeeType(String beeTypeName) {
-        for (EnumBeeType beeType : EnumBeeType.values()) {
+        for (EnumBeeType beeType : EnumBeeType.VALUES) {
             if (beeType.getName().equalsIgnoreCase(beeTypeName)) {
                 return beeType;
             }

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

@@ -148,7 +148,7 @@ public enum BeeBranchDefinition implements IBranchDefinition {
 
     private static IAllele[] getDefaultTemplate() {
         if (defaultTemplate == null) {
-            defaultTemplate = new IAllele[EnumBeeChromosome.values().length];
+            defaultTemplate = new IAllele[EnumBeeChromosome.VALUES.length];
 
             AlleleHelper.instance.set(defaultTemplate, EnumBeeChromosome.SPEED, EnumAllele.Speed.SLOWEST);
             AlleleHelper.instance.set(defaultTemplate, EnumBeeChromosome.LIFESPAN, EnumAllele.Lifespan.SHORTER);

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

@@ -102,7 +102,7 @@ public class BeeHelper extends SpeciesRoot implements IBeeRoot {
         IBee bee = (IBee) individual;
 
         Item beeItem;
-        switch (EnumBeeType.VALUES[type]) {
+        switch (EnumBeeType.fromOrdinal(type)) {
             case QUEEN:
                 beeItem = PluginApiculture.items.beeQueenGE;
                 // ensure a queen is always mated
@@ -353,7 +353,7 @@ public class BeeHelper extends SpeciesRoot implements IBeeRoot {
 
     @Override
     public IChromosomeType[] getKaryotype() {
-        return EnumBeeChromosome.values();
+        return EnumBeeChromosome.VALUES;
     }
 
     @Override

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

@@ -8,8 +8,6 @@
  ******************************************************************************/
 package forestry.apiculture.genetics;
 
-import java.util.Locale;
-
 import net.minecraft.client.renderer.texture.IIconRegister;
 import net.minecraft.util.IIcon;
 
@@ -22,24 +20,23 @@ import forestry.core.render.TextureManager;
 public class DefaultBeeIconProvider implements IBeeIconProvider {
 
     public static final DefaultBeeIconProvider instance = new DefaultBeeIconProvider();
+    private static final IIcon[][] icons = new IIcon[EnumBeeType.VALUES.length][3];
 
     private DefaultBeeIconProvider() {}
 
-    private static final IIcon[][] icons = new IIcon[EnumBeeType.values().length][3];
-
     @Override
     @SideOnly(Side.CLIENT)
     public void registerIcons(IIconRegister register) {
         String beeIconDir = "bees/default/";
         IIcon body1 = TextureManager.registerTex(register, beeIconDir + "body1");
 
-        for (int i = 0; i < EnumBeeType.values().length; i++) {
-            EnumBeeType beeType = EnumBeeType.values()[i];
+        for (int i = 0; i < EnumBeeType.VALUES.length; i++) {
+            EnumBeeType beeType = EnumBeeType.VALUES[i];
             if (beeType == EnumBeeType.NONE) {
                 continue;
             }
 
-            String beeTypeNameBase = beeIconDir + beeType.toString().toLowerCase(Locale.ENGLISH);
+            String beeTypeNameBase = beeIconDir + beeType.getName();
 
             icons[i][0] = TextureManager.registerTex(register, beeTypeNameBase + ".outline");
             if (beeType == EnumBeeType.LARVAE) {

src/main/java/forestry/arboriculture/genetics/TreeBranchDefinition.java

@@ -82,7 +82,7 @@ public enum TreeBranchDefinition implements IBranchDefinition {
     @Override
     public IAllele[] getTemplate() {
         if (defaultTemplate == null) {
-            defaultTemplate = new IAllele[EnumTreeChromosome.values().length];
+            defaultTemplate = new IAllele[EnumTreeChromosome.VALUES.length];
 
             AlleleHelper.instance.set(defaultTemplate, EnumTreeChromosome.FRUITS, AlleleFruit.fruitNone);
             AlleleHelper.instance.set(defaultTemplate, EnumTreeChromosome.GROWTH, AlleleGrowth.growthLightLevel);

src/main/java/forestry/arboriculture/genetics/TreeHelper.java

@@ -389,7 +389,7 @@ public class TreeHelper extends SpeciesRoot implements ITreeRoot {
 
     @Override
     public IChromosomeType[] getKaryotype() {
-        return EnumTreeChromosome.values();
+        return EnumTreeChromosome.VALUES;
     }
 
     @Override

src/main/java/forestry/core/access/AccessHandler.java

@@ -113,11 +113,7 @@ public final class AccessHandler implements IAccessHandler {
         if (!isOwner(player)) {
             return false;
         }
-
-        int ordinal = (access.ordinal() + 1) % EnumAccess.values().length;
-        EnumAccess newAccess = EnumAccess.values()[ordinal];
-        setAccess(player.worldObj, newAccess);
-
+        setAccess(player.worldObj, access.next());
         return true;
     }
 
@@ -156,7 +152,7 @@ public final class AccessHandler implements IAccessHandler {
     public void readData(DataInputStreamForestry data) throws IOException {
         byte accessOrdinal = data.readByte();
         if (accessOrdinal >= 0) {
-            access = EnumAccess.values()[accessOrdinal];
+            access = EnumAccess.fromOrdinal(accessOrdinal);
             GameProfile owner = new GameProfile(new UUID(data.readLong(), data.readLong()), data.readUTF());
             setOwner(owner);
         }
@@ -164,8 +160,7 @@ public final class AccessHandler implements IAccessHandler {
 
     @Override
     public void readFromNBT(NBTTagCompound data) {
-        access = EnumAccess.values()[data.getInteger("Access")];
-
+        access = EnumAccess.fromOrdinal(data.getInteger("Access"));
         if (data.hasKey("owner")) {
             owner = NBTUtil.func_152459_a(data.getCompoundTag("owner"));
         }

src/main/java/forestry/core/access/EnumAccess.java

@@ -8,22 +8,15 @@
  ******************************************************************************/
 package forestry.core.access;
 
-import net.minecraft.util.IIcon;
-
-import cpw.mods.fml.relauncher.Side;
-import cpw.mods.fml.relauncher.SideOnly;
-
 public enum EnumAccess {
 
     SHARED("gui.rule.shared"),
     VIEWABLE("gui.rule.restricted"),
     PRIVATE("gui.rule.private");
 
+    private static final EnumAccess[] VALUES = values();
     private final String name;
 
-    @SideOnly(Side.CLIENT)
-    private IIcon icon;
-
     EnumAccess(String name) {
         this.name = name;
     }
@@ -31,4 +24,13 @@ public enum EnumAccess {
     public String getName() {
         return this.name;
     }
+
+    public EnumAccess next() {
+        int ordinal = (this.ordinal() + 1) % VALUES.length;
+        return VALUES[ordinal];
+    }
+
+    public static EnumAccess fromOrdinal(int ordinal) {
+        return VALUES[ordinal];
+    }
 }

src/main/java/forestry/core/circuits/CircuitBoard.java

@@ -71,7 +71,7 @@ public class CircuitBoard<T> implements ICircuitBoard {
     @Override
     public void readFromNBT(NBTTagCompound nbttagcompound) {
 
-        type = EnumCircuitBoardType.values()[nbttagcompound.getShort("T")];
+        type = EnumCircuitBoardType.VALUES[nbttagcompound.getShort("T")];
 
         // Layout
         if (nbttagcompound.hasKey("LY")) {

src/main/java/forestry/core/circuits/EnumCircuitBoardType.java

@@ -15,6 +15,11 @@ public enum EnumCircuitBoardType {
     REFINED((short) 3, 0x191919, 0xc9c9c9),
     INTRICATE((short) 4, 0x191919, 0xe2cb6b);
 
+    /**
+     * Cached values() array for frequent read-only operations, the array should NOT be mutated.
+     */
+    public static final EnumCircuitBoardType[] VALUES = values();
+
     private final short sockets;
     private final int primaryColor;
     private final int secondaryColor;

src/main/java/forestry/core/circuits/GuiSolderingIron.java

@@ -63,7 +63,7 @@ public class GuiSolderingIron extends GuiForestry<ContainerSolderingIron, ItemIn
                 try {
                     ICircuitSocketType socketType = layout.getSocketType();
                     if (CircuitSocketType.FARM.equals(socketType)) {
-                        FarmDirection farmDirection = FarmDirection.values()[i];
+                        FarmDirection farmDirection = FarmDirection.fromOrdinal(i);
                         String farmDirectionString = farmDirection.toString().toLowerCase(Locale.ENGLISH);
                         String localizedDirection = StringUtil.localize("gui.solder." + farmDirectionString);
                         fontRendererObj.drawString(

src/main/java/forestry/core/circuits/ItemCircuitBoard.java

@@ -50,7 +50,7 @@ public class ItemCircuitBoard extends ItemForestryMultiPass {
 
     @Override
     public int getColorFromItemStack(ItemStack itemstack, int pass) {
-        EnumCircuitBoardType type = EnumCircuitBoardType.values()[itemstack.getItemDamage()];
+        EnumCircuitBoardType type = EnumCircuitBoardType.VALUES[itemstack.getItemDamage()];
         if (pass == 0) {
             return type.getPrimaryColor();
         } else {
@@ -60,7 +60,7 @@ public class ItemCircuitBoard extends ItemForestryMultiPass {
 
     @Override
     public String getUnlocalizedName(ItemStack stack) {
-        EnumCircuitBoardType type = EnumCircuitBoardType.values()[stack.getItemDamage()];
+        EnumCircuitBoardType type = EnumCircuitBoardType.VALUES[stack.getItemDamage()];
         return "item.for.circuitboard." + type.toString().toLowerCase(Locale.ENGLISH);
     }
 

src/main/java/forestry/core/inventory/ItemInventorySolderingIron.java

@@ -121,11 +121,11 @@ public class ItemInventorySolderingIron extends ItemInventory implements IErrorS
         }
 
         // Illegal type
-        if (blank.getItemDamage() < 0 || blank.getItemDamage() >= EnumCircuitBoardType.values().length) {
+        if (blank.getItemDamage() < 0 || blank.getItemDamage() >= EnumCircuitBoardType.VALUES.length) {
             return;
         }
 
-        EnumCircuitBoardType type = EnumCircuitBoardType.values()[blank.getItemDamage()];
+        EnumCircuitBoardType type = EnumCircuitBoardType.VALUES[blank.getItemDamage()];
         if (getCircuitCount() != type.getSockets()) {
             return;
         }
@@ -172,7 +172,7 @@ public class ItemInventorySolderingIron extends ItemInventory implements IErrorS
         if (blankCircuitBoard == null) {
             errorStates.add(EnumErrorCode.NO_CIRCUIT_BOARD);
         } else {
-            EnumCircuitBoardType type = EnumCircuitBoardType.values()[blankCircuitBoard.getItemDamage()];
+            EnumCircuitBoardType type = EnumCircuitBoardType.VALUES[blankCircuitBoard.getItemDamage()];
 
             int circuitCount = 0;
             for (short i = 0; i < type.getSockets(); i++) {

src/main/java/forestry/core/items/ItemFruit.java

@@ -34,6 +34,9 @@ public class ItemFruit extends ItemForestryFood {
         DATES("cropDate"),
         PAPAYA("cropPapaya"); // , COCONUT("cropCoconut");
 
+        /**
+         * Cached values() array for frequent read-only operations, the array should NOT be mutated.
+         */
         public static final EnumFruit[] VALUES = values();
 
         private final String oreDict;
@@ -94,13 +97,13 @@ public class ItemFruit extends ItemForestryFood {
     @SideOnly(Side.CLIENT)
     @Override
     public IIcon getIconFromDamage(int meta) {
-        return EnumFruit.values()[meta].getIcon();
+        return EnumFruit.VALUES[meta].getIcon();
     }
 
     @SuppressWarnings({ "rawtypes", "unchecked" })
     @Override
     public void getSubItems(Item item, CreativeTabs par2CreativeTabs, List itemList) {
-        for (int i = 0; i < EnumFruit.values().length; i++) {
+        for (int i = 0; i < EnumFruit.VALUES.length; i++) {
             itemList.add(new ItemStack(this, 1, i));
         }
     }

src/main/java/forestry/core/items/ItemRegistryCore.java

@@ -194,7 +194,7 @@ public class ItemRegistryCore extends ItemRegistry {
 
         // FRUITS
         fruits = registerItem(new ItemFruit(), "fruits");
-        for (ItemFruit.EnumFruit def : ItemFruit.EnumFruit.values()) {
+        for (ItemFruit.EnumFruit def : ItemFruit.EnumFruit.VALUES) {
             ItemStack fruit = new ItemStack(fruits, 1, def.ordinal());
             OreDictionary.registerOre(def.getOreDict(), fruit);
         }

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

@@ -45,18 +45,18 @@ public class ClimateUtil implements IClimateHelper {
             case BOTH_4:
             case BOTH_3:
             case BOTH_2:
-                if (prefered.ordinal() + 2 < EnumHumidity.values().length) {
-                    tolerated.add(EnumHumidity.values()[prefered.ordinal() + 2]);
+                if (prefered.ordinal() + 2 < EnumHumidity.VALUES.length) {
+                    tolerated.add(EnumHumidity.VALUES[prefered.ordinal() + 2]);
                 }
                 if (prefered.ordinal() - 2 >= 0) {
-                    tolerated.add(EnumHumidity.values()[prefered.ordinal() - 2]);
+                    tolerated.add(EnumHumidity.VALUES[prefered.ordinal() - 2]);
                 }
             case BOTH_1:
-                if (prefered.ordinal() + 1 < EnumHumidity.values().length) {
-                    tolerated.add(EnumHumidity.values()[prefered.ordinal() + 1]);
+                if (prefered.ordinal() + 1 < EnumHumidity.VALUES.length) {
+                    tolerated.add(EnumHumidity.VALUES[prefered.ordinal() + 1]);
                 }
                 if (prefered.ordinal() - 1 >= 0) {
-                    tolerated.add(EnumHumidity.values()[prefered.ordinal() - 1]);
+                    tolerated.add(EnumHumidity.VALUES[prefered.ordinal() - 1]);
                 }
                 return tolerated;
 
@@ -64,12 +64,12 @@ public class ClimateUtil implements IClimateHelper {
             case UP_4:
             case UP_3:
             case UP_2:
-                if (prefered.ordinal() + 2 < EnumHumidity.values().length) {
-                    tolerated.add(EnumHumidity.values()[prefered.ordinal() + 2]);
+                if (prefered.ordinal() + 2 < EnumHumidity.VALUES.length) {
+                    tolerated.add(EnumHumidity.VALUES[prefered.ordinal() + 2]);
                 }
             case UP_1:
-                if (prefered.ordinal() + 1 < EnumHumidity.values().length) {
-                    tolerated.add(EnumHumidity.values()[prefered.ordinal() + 1]);
+                if (prefered.ordinal() + 1 < EnumHumidity.VALUES.length) {
+                    tolerated.add(EnumHumidity.VALUES[prefered.ordinal() + 1]);
                 }
                 return tolerated;
 
@@ -78,11 +78,11 @@ public class ClimateUtil implements IClimateHelper {
             case DOWN_3:
             case DOWN_2:
                 if (prefered.ordinal() - 2 >= 0) {
-                    tolerated.add(EnumHumidity.values()[prefered.ordinal() - 2]);
+                    tolerated.add(EnumHumidity.VALUES[prefered.ordinal() - 2]);
                 }
             case DOWN_1:
                 if (prefered.ordinal() - 1 >= 0) {
-                    tolerated.add(EnumHumidity.values()[prefered.ordinal() - 1]);
+                    tolerated.add(EnumHumidity.VALUES[prefered.ordinal() - 1]);
                 }
                 return tolerated;
 
@@ -96,85 +96,86 @@ public class ClimateUtil implements IClimateHelper {
         ArrayList<EnumTemperature> tolerated = new ArrayList<>();
         tolerated.add(prefered);
 
+        final EnumTemperature[] TEMP_VALUES = EnumTemperature.VALUES;
         switch (tolerance) {
             case BOTH_5:
-                if (prefered.ordinal() + 5 < EnumTemperature.values().length) {
-                    tolerated.add(EnumTemperature.values()[prefered.ordinal() + 5]);
+                if (prefered.ordinal() + 5 < TEMP_VALUES.length) {
+                    tolerated.add(TEMP_VALUES[prefered.ordinal() + 5]);
                 }
                 if (prefered.ordinal() - 5 >= 0) {
-                    tolerated.add(EnumTemperature.values()[prefered.ordinal() - 5]);
+                    tolerated.add(TEMP_VALUES[prefered.ordinal() - 5]);
                 }
             case BOTH_4:
-                if (prefered.ordinal() + 4 < EnumTemperature.values().length) {
-                    tolerated.add(EnumTemperature.values()[prefered.ordinal() + 4]);
+                if (prefered.ordinal() + 4 < TEMP_VALUES.length) {
+                    tolerated.add(TEMP_VALUES[prefered.ordinal() + 4]);
                 }
                 if (prefered.ordinal() - 4 >= 0) {
-                    tolerated.add(EnumTemperature.values()[prefered.ordinal() - 4]);
+                    tolerated.add(TEMP_VALUES[prefered.ordinal() - 4]);
                 }
             case BOTH_3:
-                if (prefered.ordinal() + 3 < EnumTemperature.values().length) {
-                    tolerated.add(EnumTemperature.values()[prefered.ordinal() + 3]);
+                if (prefered.ordinal() + 3 < TEMP_VALUES.length) {
+                    tolerated.add(TEMP_VALUES[prefered.ordinal() + 3]);
                 }
                 if (prefered.ordinal() - 3 >= 0) {
-                    tolerated.add(EnumTemperature.values()[prefered.ordinal() - 3]);
+                    tolerated.add(TEMP_VALUES[prefered.ordinal() - 3]);
                 }
             case BOTH_2:
-                if (prefered.ordinal() + 2 < EnumTemperature.values().length) {
-                    tolerated.add(EnumTemperature.values()[prefered.ordinal() + 2]);
+                if (prefered.ordinal() + 2 < TEMP_VALUES.length) {
+                    tolerated.add(TEMP_VALUES[prefered.ordinal() + 2]);
                 }
                 if (prefered.ordinal() - 2 >= 0) {
-                    tolerated.add(EnumTemperature.values()[prefered.ordinal() - 2]);
+                    tolerated.add(TEMP_VALUES[prefered.ordinal() - 2]);
                 }
             case BOTH_1:
-                if (prefered.ordinal() + 1 < EnumTemperature.values().length) {
-                    tolerated.add(EnumTemperature.values()[prefered.ordinal() + 1]);
+                if (prefered.ordinal() + 1 < TEMP_VALUES.length) {
+                    tolerated.add(TEMP_VALUES[prefered.ordinal() + 1]);
                 }
                 if (prefered.ordinal() - 1 >= 0) {
-                    tolerated.add(EnumTemperature.values()[prefered.ordinal() - 1]);
+                    tolerated.add(TEMP_VALUES[prefered.ordinal() - 1]);
                 }
                 return tolerated;
 
             case UP_5:
-                if (prefered.ordinal() + 5 < EnumTemperature.values().length) {
-                    tolerated.add(EnumTemperature.values()[prefered.ordinal() + 5]);
+                if (prefered.ordinal() + 5 < TEMP_VALUES.length) {
+                    tolerated.add(TEMP_VALUES[prefered.ordinal() + 5]);
                 }
             case UP_4:
-                if (prefered.ordinal() + 4 < EnumTemperature.values().length) {
-                    tolerated.add(EnumTemperature.values()[prefered.ordinal() + 4]);
+                if (prefered.ordinal() + 4 < TEMP_VALUES.length) {
+                    tolerated.add(TEMP_VALUES[prefered.ordinal() + 4]);
                 }
             case UP_3:
-                if (prefered.ordinal() + 3 < EnumTemperature.values().length) {
-                    tolerated.add(EnumTemperature.values()[prefered.ordinal() + 3]);
+                if (prefered.ordinal() + 3 < TEMP_VALUES.length) {
+                    tolerated.add(TEMP_VALUES[prefered.ordinal() + 3]);
                 }
             case UP_2:
-                if (prefered.ordinal() + 2 < EnumTemperature.values().length) {
-                    tolerated.add(EnumTemperature.values()[prefered.ordinal() + 2]);
+                if (prefered.ordinal() + 2 < TEMP_VALUES.length) {
+                    tolerated.add(TEMP_VALUES[prefered.ordinal() + 2]);
                 }
             case UP_1:
-                if (prefered.ordinal() + 1 < EnumTemperature.values().length) {
-                    tolerated.add(EnumTemperature.values()[prefered.ordinal() + 1]);
+                if (prefered.ordinal() + 1 < TEMP_VALUES.length) {
+                    tolerated.add(TEMP_VALUES[prefered.ordinal() + 1]);
                 }
                 return tolerated;
 
             case DOWN_5:
                 if (prefered.ordinal() - 5 >= 0) {
-                    tolerated.add(EnumTemperature.values()[prefered.ordinal() - 5]);
+                    tolerated.add(TEMP_VALUES[prefered.ordinal() - 5]);
                 }
             case DOWN_4:
                 if (prefered.ordinal() - 4 >= 0) {
-                    tolerated.add(EnumTemperature.values()[prefered.ordinal() - 4]);
+                    tolerated.add(TEMP_VALUES[prefered.ordinal() - 4]);
                 }
             case DOWN_3:
                 if (prefered.ordinal() - 3 >= 0) {
-                    tolerated.add(EnumTemperature.values()[prefered.ordinal() - 3]);
+                    tolerated.add(TEMP_VALUES[prefered.ordinal() - 3]);
                 }
             case DOWN_2:
                 if (prefered.ordinal() - 2 >= 0) {
-                    tolerated.add(EnumTemperature.values()[prefered.ordinal() - 2]);
+                    tolerated.add(TEMP_VALUES[prefered.ordinal() - 2]);
                 }
             case DOWN_1:
                 if (prefered.ordinal() - 1 >= 0) {
-                    tolerated.add(EnumTemperature.values()[prefered.ordinal() - 1]);
+                    tolerated.add(TEMP_VALUES[prefered.ordinal() - 1]);
                 }
                 return tolerated;
 

src/main/java/forestry/farming/blocks/BlockFarm.java

@@ -61,7 +61,7 @@ public class BlockFarm extends BlockStructure {
                 continue;
             }
 
-            for (EnumFarmBlockTexture block : EnumFarmBlockTexture.values()) {
+            for (EnumFarmBlockTexture block : EnumFarmBlockTexture.VALUES) {
                 ItemStack stack = new ItemStack(item, 1, i);
                 NBTTagCompound compound = new NBTTagCompound();
                 block.saveToCompound(compound);

src/main/java/forestry/farming/circuits/CircuitFarmLogic.java

@@ -61,7 +61,7 @@ public class CircuitFarmLogic extends Circuit {
         } catch (Throwable e) {
             // uses older version of the API that doesn't implement setManual
         }
-        housing.setFarmLogic(FarmDirection.values()[slot], logic);
+        housing.setFarmLogic(FarmDirection.fromOrdinal(slot), logic);
     }
 
     @Override
@@ -75,8 +75,7 @@ public class CircuitFarmLogic extends Circuit {
         if (farmHousing == null) {
             return;
         }
-
-        farmHousing.resetFarmLogic(FarmDirection.values()[slot]);
+        farmHousing.resetFarmLogic(FarmDirection.fromOrdinal(slot));
     }
 
     @Override

src/main/java/forestry/farming/multiblock/FarmController.java

@@ -372,7 +372,7 @@ public class FarmController extends RectangularMultiblockControllerBase
     }
 
     private void refreshFarmLogics() {
-        for (FarmDirection direction : FarmDirection.values()) {
+        for (FarmDirection direction : FarmDirection.VALUES) {
             resetFarmLogic(direction);
         }
 
@@ -475,7 +475,7 @@ public class FarmController extends RectangularMultiblockControllerBase
         // Cultivation and collection
         FarmWorkStatus farmWorkStatus = new FarmWorkStatus();
 
-        for (FarmDirection farmSide : FarmDirection.values()) {
+        for (FarmDirection farmSide : FarmDirection.VALUES) {
 
             IFarmLogic logic = getFarmLogic(farmSide);
             if (logic == null) {
@@ -541,7 +541,7 @@ public class FarmController extends RectangularMultiblockControllerBase
     private static void createTargets(World world, Map<FarmDirection, List<FarmTarget>> targets, Vect targetStart,
             final int allowedExtent, final int farmSizeNorthSouth, final int farmSizeEastWest) {
 
-        for (FarmDirection farmSide : FarmDirection.values()) {
+        for (FarmDirection farmSide : FarmDirection.VALUES) {
 
             final int farmWidth;
             if (farmSide == FarmDirection.NORTH || farmSide == FarmDirection.SOUTH) {

src/main/java/forestry/farming/multiblock/InventoryFarm.java

@@ -106,7 +106,7 @@ public class InventoryFarm extends InventoryAdapterRestricted implements IFarmIn
             return false;
         }
 
-        for (FarmDirection farmDirection : FarmDirection.values()) {
+        for (FarmDirection farmDirection : FarmDirection.VALUES) {
             IFarmLogic logic = farmController.getFarmLogic(farmDirection);
             if (logic.isAcceptedGermling(itemstack)) {
                 return true;
@@ -122,7 +122,7 @@ public class InventoryFarm extends InventoryAdapterRestricted implements IFarmIn
             return false;
         }
 
-        for (FarmDirection farmDirection : FarmDirection.values()) {
+        for (FarmDirection farmDirection : FarmDirection.VALUES) {
             IFarmLogic logic = farmController.getFarmLogic(farmDirection);
             if (logic.isAcceptedResource(itemstack)) {
                 return true;

src/main/java/forestry/farming/render/EnumFarmBlockTexture.java

@@ -45,8 +45,17 @@ public enum EnumFarmBlockTexture {
     private static final int TYPE_VALVE = 6;
     private static final int TYPE_CONTROL = 7;
 
+    /**
+     * Cached values() array for frequent read-only operations, the array should NOT be mutated.
+     */
+    public static final EnumFarmBlockTexture[] VALUES = values();
     @SideOnly(Side.CLIENT)
     private static List<IIcon> icons;
+    private final ItemStack base;
+
+    EnumFarmBlockTexture(ItemStack base) {
+        this.base = base;
+    }
 
     @SideOnly(Side.CLIENT)
     public static void registerIcons(IIconRegister register) {
@@ -61,12 +70,6 @@ public enum EnumFarmBlockTexture {
                 TextureManager.registerTex(register, "farm/control"));
     }
 
-    private final ItemStack base;
-
-    EnumFarmBlockTexture(ItemStack base) {
-        this.base = base;
-    }
-
     @SideOnly(Side.CLIENT)
     public static IIcon getIcon(BlockFarmType type, int side) {
         switch (type) {
@@ -109,11 +112,10 @@ public enum EnumFarmBlockTexture {
     public static EnumFarmBlockTexture getFromCompound(NBTTagCompound compound) {
         if (compound != null) {
             int farmBlockOrdinal = compound.getInteger("FarmBlock");
-            if (farmBlockOrdinal < EnumFarmBlockTexture.values().length) {
-                return EnumFarmBlockTexture.values()[farmBlockOrdinal];
+            if (farmBlockOrdinal < EnumFarmBlockTexture.VALUES.length) {
+                return EnumFarmBlockTexture.VALUES[farmBlockOrdinal];
             }
         }
-
         return EnumFarmBlockTexture.BRICK_STONE;
     }
 }

src/main/java/forestry/lepidopterology/genetics/ButterflyBranchDefinition.java

@@ -57,7 +57,7 @@ public enum ButterflyBranchDefinition implements IBranchDefinition {
     @Override
     public IAllele[] getTemplate() {
         if (defaultTemplate == null) {
-            defaultTemplate = new IAllele[EnumButterflyChromosome.values().length];
+            defaultTemplate = new IAllele[EnumButterflyChromosome.VALUES.length];
 
             AlleleHelper.instance.set(defaultTemplate, EnumButterflyChromosome.SIZE, EnumAllele.Size.SMALL);
             AlleleHelper.instance.set(defaultTemplate, EnumButterflyChromosome.SPEED, EnumAllele.Speed.SLOWEST);

src/main/java/forestry/lepidopterology/genetics/ButterflyHelper.java

@@ -245,7 +245,7 @@ public class ButterflyHelper extends SpeciesRoot implements IButterflyRoot {
 
     @Override
     public IChromosomeType[] getKaryotype() {
-        return EnumButterflyChromosome.values();
+        return EnumButterflyChromosome.VALUES;
     }
 
     @Override

src/main/java/forestry/plugins/PluginFarming.java

@@ -300,7 +300,7 @@ public class PluginFarming extends ForestryPlugin {
         ItemStack valve = blocks.farm.get(BlockFarmType.VALVE, 1);
         ItemStack control = blocks.farm.get(BlockFarmType.CONTROL, 1);
 
-        for (EnumFarmBlockTexture block : EnumFarmBlockTexture.values()) {
+        for (EnumFarmBlockTexture block : EnumFarmBlockTexture.VALUES) {
             NBTTagCompound compound = new NBTTagCompound();
             block.saveToCompound(compound);