initial c to java port package cleanup, WCF func adjust

java/src/game/ai/AIRangedAttack.java

@@ -1,8 +1,8 @@
 package game.ai;
 
-import game.ExtMath;
 import game.entity.npc.EntityNPC;
 import game.entity.types.EntityLiving;
+import game.util.ExtMath;
 
 public class AIRangedAttack extends EntityAIBase
 {

java/src/game/ai/EntityAIAvoidEntity.java

@@ -3,11 +3,11 @@ package game.ai;
 import java.util.List;
 import java.util.function.Predicate;
 
-import game.Predicates;
 import game.entity.Entity;
 import game.entity.types.EntityLiving;
 import game.pathfinding.PathEntity;
 import game.pathfinding.PathNavigate;
+import game.util.Predicates;
 import game.world.Vec3;
 
 public class EntityAIAvoidEntity<T extends Entity> extends EntityAIBase

java/src/game/ai/EntityAIControlledByPlayer.java

@@ -1,6 +1,5 @@
 package game.ai;
 
-import game.ExtMath;
 import game.block.Block;
 import game.block.BlockSlab;
 import game.block.BlockStairs;
@@ -10,6 +9,7 @@ import game.init.Items;
 import game.item.ItemStack;
 import game.material.Material;
 import game.pathfinding.WalkNodeProcessor;
+import game.util.ExtMath;
 import game.world.BlockPos;
 
 public class EntityAIControlledByPlayer extends EntityAIBase

java/src/game/ai/EntityAIEatGrass.java

@@ -2,13 +2,13 @@ package game.ai;
 
 import java.util.function.Predicate;
 
-import game.Predicates;
 import game.block.BlockTallGrass;
 import game.entity.animal.EntitySheep;
 import game.init.BlockRegistry;
 import game.init.Blocks;
 import game.init.Config;
 import game.pattern.BlockStateHelper;
+import game.util.Predicates;
 import game.world.BlockPos;
 import game.world.State;
 import game.world.World;

java/src/game/ai/EntityAILeapAtTarget.java

@@ -1,7 +1,7 @@
 package game.ai;
 
-import game.ExtMath;
 import game.entity.types.EntityLiving;
+import game.util.ExtMath;
 
 public class EntityAILeapAtTarget extends EntityAIBase
 {

java/src/game/ai/EntityAIMoveThroughVillage.java

@@ -2,11 +2,11 @@ package game.ai;
 
 import java.util.List;
 
-import game.ExtMath;
 import game.collect.Lists;
 import game.entity.types.EntityLiving;
 import game.pathfinding.PathEntity;
 import game.pathfinding.PathNavigateGround;
+import game.util.ExtMath;
 import game.village.Village;
 import game.village.VillageDoorInfo;
 import game.world.BlockPos;

java/src/game/ai/EntityAIShareItems.java

@@ -1,12 +1,12 @@
 package game.ai;
 
-import game.ExtMath;
 import game.entity.item.EntityItem;
 import game.entity.npc.EntityNPC;
 import game.init.Items;
 import game.inventory.InventoryBasic;
 import game.item.Item;
 import game.item.ItemStack;
+import game.util.ExtMath;
 
 public class EntityAIShareItems extends EntityAIWatchClosest2
 {

java/src/game/ai/EntityAITakePlace.java

@@ -2,7 +2,6 @@ package game.ai;
 
 import java.util.Map;
 
-import game.ExtMath;
 import game.block.Block;
 import game.collect.Maps;
 import game.entity.npc.EntityNPC;
@@ -12,6 +11,7 @@ import game.init.ItemRegistry;
 import game.item.ItemStack;
 import game.material.Material;
 import game.rng.Random;
+import game.util.ExtMath;
 import game.world.BlockPos;
 import game.world.State;
 import game.world.World;

java/src/game/ai/EntityAITarget.java

@@ -1,6 +1,5 @@
 package game.ai;
 
-import game.ExtMath;
 import game.entity.attributes.AttributeInstance;
 import game.entity.attributes.Attributes;
 import game.entity.types.EntityLiving;
@@ -8,6 +7,7 @@ import game.entity.types.IEntityOwnable;
 import game.init.Config;
 import game.pathfinding.PathEntity;
 import game.pathfinding.PathPoint;
+import game.util.ExtMath;
 import game.world.BlockPos;
 
 public abstract class EntityAITarget extends EntityAIBase

java/src/game/ai/EntityLookHelper.java

@@ -1,8 +1,8 @@
 package game.ai;
 
-import game.ExtMath;
 import game.entity.Entity;
 import game.entity.types.EntityLiving;
+import game.util.ExtMath;
 
 public class EntityLookHelper
 {

java/src/game/ai/EntityMoveHelper.java

@@ -1,8 +1,8 @@
 package game.ai;
 
-import game.ExtMath;
 import game.entity.attributes.Attributes;
 import game.entity.types.EntityLiving;
+import game.util.ExtMath;
 
 public class EntityMoveHelper
 {

java/src/game/ai/RandomPositionGenerator.java

@@ -1,8 +1,8 @@
 package game.ai;
 
-import game.ExtMath;
 import game.entity.types.EntityLiving;
 import game.rng.Random;
+import game.util.ExtMath;
 import game.world.BlockPos;
 import game.world.Vec3;