Gave earth ponies a slightly increased mining speed (suggested by kerplamp)

src/main/java/com/minelittlepony/unicopia/ability/CarryAbility.java

@@ -4,6 +4,7 @@ import com.minelittlepony.unicopia.Race;
 import com.minelittlepony.unicopia.ability.data.Hit;
 import com.minelittlepony.unicopia.entity.player.Pony;
 import com.minelittlepony.unicopia.util.RayTraceHelper;
+
 import net.minecraft.entity.LivingEntity;
 import net.minecraft.entity.player.PlayerEntity;
 import net.minecraft.network.packet.s2c.play.EntityPassengersSetS2CPacket;

src/main/java/com/minelittlepony/unicopia/entity/player/PlayerAttributes.java

@@ -17,10 +17,14 @@ import net.minecraft.util.registry.Registry;
 public class PlayerAttributes implements Tickable {
 
     public static final EntityAttribute EXTENDED_REACH_DISTANCE = register("unicopia.pegasus.reach", new ClampedEntityAttribute("player.reachDistance", 0, 0, 10).setTracked(true));
+    public static final EntityAttribute EXTRA_MINING_SPEED = register("unicopia.earth.mining_speed", new ClampedEntityAttribute("player.miningSpeed", 1, 0, 5).setTracked(true));
     public static final EntityAttribute ENTITY_GRAVTY_MODIFIER = register("unicopia.player.gravity", (new EntityAttribute("player.gravityModifier", 1) {}).setTracked(true));
 
     private static final EntityAttributeModifier EARTH_PONY_STRENGTH =
             new EntityAttributeModifier(UUID.fromString("777a5505-521e-480b-b9d5-6ea54f259564"), "Earth Pony Strength", 0.6, Operation.MULTIPLY_TOTAL);
+    private static final EntityAttributeModifier EARTH_PONY_MINING_SPEED =
+            new EntityAttributeModifier(UUID.fromString("9fc9e269-152e-0b48-9bd5-564a546e59f2"), "Earth Pony Mining Speed", 0.4, Operation.MULTIPLY_TOTAL);
+
     private static final EntityAttributeModifier PEGASUS_SPEED =
             new EntityAttributeModifier(UUID.fromString("9e2699fc-3b8d-4f71-9d2d-fb92ee19b4f7"), "Pegasus Speed", 0.2, Operation.MULTIPLY_TOTAL);
     private static final EntityAttributeModifier PEGASUS_REACH =
@@ -45,6 +49,7 @@ public class PlayerAttributes implements Tickable {
         toggleAttribute(entity, EntityAttributes.GENERIC_MOVEMENT_SPEED, PEGASUS_SPEED, race.canFly());
         toggleAttribute(entity, EntityAttributes.GENERIC_ATTACK_SPEED, PEGASUS_SPEED, race.canFly());
         toggleAttribute(entity, EXTENDED_REACH_DISTANCE, PEGASUS_REACH, race.canFly());
+        toggleAttribute(entity, EXTRA_MINING_SPEED, EARTH_PONY_MINING_SPEED, race.canUseEarth());
     }
 
     private void toggleAttribute(PlayerEntity entity, EntityAttribute attribute, EntityAttributeModifier modifier, boolean enable) {

src/main/java/com/minelittlepony/unicopia/entity/player/Pony.java

@@ -110,6 +110,7 @@ public class Pony implements Caster<PlayerEntity>, Equine<PlayerEntity>, Transmi
 
     public static void registerAttributes(DefaultAttributeContainer.Builder builder) {
         builder.add(PlayerAttributes.EXTENDED_REACH_DISTANCE);
+        builder.add(PlayerAttributes.EXTRA_MINING_SPEED);
         builder.add(PlayerAttributes.ENTITY_GRAVTY_MODIFIER);
     }
 
@@ -197,6 +198,10 @@ public class Pony implements Caster<PlayerEntity>, Equine<PlayerEntity>, Transmi
         return (float)entity.getAttributeInstance(PlayerAttributes.EXTENDED_REACH_DISTANCE).getValue();
     }
 
+    public float getBlockBreakingSpeed() {
+        return (float)entity.getAttributeInstance(PlayerAttributes.EXTRA_MINING_SPEED).getValue();
+    }
+
     public Motion getMotion() {
         return gravity;
     }

src/main/java/com/minelittlepony/unicopia/mixin/MixinPlayerEntity.java

@@ -11,6 +11,7 @@ import com.minelittlepony.unicopia.entity.Equine;
 import com.minelittlepony.unicopia.entity.player.Pony;
 import com.mojang.datafixers.util.Either;
 
+import net.minecraft.block.BlockState;
 import net.minecraft.entity.EntityDimensions;
 import net.minecraft.entity.EntityPose;
 import net.minecraft.entity.ItemEntity;
@@ -53,7 +54,7 @@ abstract class MixinPlayerEntity extends LivingEntity implements PonyContainer<P
 
     @Inject(method = "eatFood(Lnet/minecraft/world/World;Lnet/minecraft/item/ItemStack;)Lnet/minecraft/item/ItemStack;",
             at = @At("HEAD"))
-    public void onEatFood(World world, ItemStack stack, CallbackInfoReturnable<ItemStack> info) {
+    private void onEatFood(World world, ItemStack stack, CallbackInfoReturnable<ItemStack> info) {
         if (stack.isFood()) {
             get().onEat(stack);
         }
@@ -97,7 +98,14 @@ abstract class MixinPlayerEntity extends LivingEntity implements PonyContainer<P
     @Inject(method = "getDimensions(Lnet/minecraft/entity/EntityPose;)Lnet/minecraft/entity/EntityDimensions;",
             at = @At("RETURN"),
             cancellable = true)
-    public void onGetDimensions(EntityPose pose, CallbackInfoReturnable<EntityDimensions> info) {
+    private void onGetDimensions(EntityPose pose, CallbackInfoReturnable<EntityDimensions> info) {
         info.setReturnValue(get().getMotion().getDimensions().calculateDimensions(info.getReturnValue()));
     }
+
+    @Inject(method = "getBlockBreakingSpeed(Lnet/minecraft/block/BlockState;)F",
+            at = @At("RETURN"),
+            cancellable = true)
+    private void onGetBlockBreakingSpeed(BlockState state, CallbackInfoReturnable<Float> info) {
+        info.setReturnValue(info.getReturnValue() * get().getBlockBreakingSpeed());
+    }
 }