Simple moth AI

src/main/java/ru/betterend/entity/SilkMothEntity.java

@@ -1,16 +1,76 @@
 package ru.betterend.entity;
 
+import java.util.EnumSet;
+
+import org.jetbrains.annotations.Nullable;
+
+import net.minecraft.block.BlockState;
 import net.minecraft.entity.EntityType;
 import net.minecraft.entity.Flutterer;
+import net.minecraft.entity.LivingEntity;
+import net.minecraft.entity.ai.TargetFinder;
+import net.minecraft.entity.ai.control.FlightMoveControl;
+import net.minecraft.entity.ai.control.LookControl;
+import net.minecraft.entity.ai.goal.AnimalMateGoal;
+import net.minecraft.entity.ai.goal.FollowParentGoal;
+import net.minecraft.entity.ai.goal.Goal;
+import net.minecraft.entity.ai.goal.SwimGoal;
+import net.minecraft.entity.ai.pathing.BirdNavigation;
+import net.minecraft.entity.ai.pathing.EntityNavigation;
+import net.minecraft.entity.ai.pathing.PathNodeType;
+import net.minecraft.entity.attribute.DefaultAttributeContainer;
+import net.minecraft.entity.attribute.EntityAttributes;
+import net.minecraft.entity.mob.MobEntity;
 import net.minecraft.entity.passive.AnimalEntity;
 import net.minecraft.entity.passive.PassiveEntity;
 import net.minecraft.server.world.ServerWorld;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.Vec3d;
 import net.minecraft.world.World;
 import ru.betterend.registry.EndEntities;
 
 public class SilkMothEntity extends AnimalEntity implements Flutterer {
 	public SilkMothEntity(EntityType<? extends SilkMothEntity> entityType, World world) {
 		super(entityType, world);
+		this.moveControl = new FlightMoveControl(this, 20, true);
+		this.lookControl = new MothLookControl(this);
+		this.setPathfindingPenalty(PathNodeType.WATER, -1.0F);
+		this.setPathfindingPenalty(PathNodeType.DANGER_FIRE, -1.0F);
+		this.experiencePoints = 1;
+	}
+	
+	public static DefaultAttributeContainer.Builder createMobAttributes() {
+		return LivingEntity.createLivingAttributes()
+				.add(EntityAttributes.GENERIC_MAX_HEALTH, 2.0D)
+				.add(EntityAttributes.GENERIC_FOLLOW_RANGE, 16.0D)
+				.add(EntityAttributes.GENERIC_FLYING_SPEED, 0.4D)
+				.add(EntityAttributes.GENERIC_MOVEMENT_SPEED, 0.1D);
+	}
+
+	@Override
+	protected void initGoals() {
+		this.goalSelector.add(2, new AnimalMateGoal(this, 1.0D));
+		this.goalSelector.add(5, new FollowParentGoal(this, 1.25D));
+		this.goalSelector.add(8, new WanderAroundGoal());
+		this.goalSelector.add(9, new SwimGoal(this));
+	}
+	
+	@Override
+	protected EntityNavigation createNavigation(World world) {
+		BirdNavigation birdNavigation = new BirdNavigation(this, world) {
+			public boolean isValidPosition(BlockPos pos) {
+				BlockState state = this.world.getBlockState(pos);
+				return state.isAir() || !state.getMaterial().blocksMovement();
+			}
+
+			public void tick() {
+				super.tick();
+			}
+		};
+		birdNavigation.setCanPathThroughDoors(false);
+		birdNavigation.setCanSwim(false);
+		birdNavigation.setCanEnterOpenDoors(true);
+		return birdNavigation;
 	}
 
 	@Override
@@ -42,4 +102,46 @@ public class SilkMothEntity extends AnimalEntity implements Flutterer {
 	public PassiveEntity createChild(ServerWorld world, PassiveEntity entity) {
 		return EndEntities.SILK_MOTH.create(world);
 	}
+	
+	class MothLookControl extends LookControl {
+		MothLookControl(MobEntity entity) {
+			super(entity);
+		}
+
+		protected boolean shouldStayHorizontal() {
+			return true;
+		}
+	}
+
+	class WanderAroundGoal extends Goal {
+		WanderAroundGoal() {
+			this.setControls(EnumSet.of(Goal.Control.MOVE));
+		}
+
+		public boolean canStart() {
+			return SilkMothEntity.this.navigation.isIdle() && SilkMothEntity.this.random.nextInt(10) == 0;
+		}
+
+		public boolean shouldContinue() {
+			return SilkMothEntity.this.navigation.isFollowingPath();
+		}
+
+		public void start() {
+			Vec3d vec3d = this.getRandomLocation();
+			if (vec3d != null) {
+				try {
+					SilkMothEntity.this.navigation.startMovingAlong(SilkMothEntity.this.navigation.findPathTo((BlockPos) (new BlockPos(vec3d)), 1), 1.0D);
+				}
+				catch (Exception e) {}
+			}
+
+		}
+
+		@Nullable
+		private Vec3d getRandomLocation() {
+			Vec3d vec3d3 = SilkMothEntity.this.getRotationVec(0.0F);
+			Vec3d vec3d4 = TargetFinder.findAirTarget(SilkMothEntity.this, 8, 7, vec3d3, 1.5707964F, 2, 1);
+			return vec3d4 != null ? vec3d4 : TargetFinder.findGroundTarget(SilkMothEntity.this, 8, 4, -2, vec3d3, 1.5707963705062866D);
+		}
+	}
 }

src/main/resources/assets/betterend/materialmaps/block/creeping_moss.json

@@ -3,7 +3,7 @@
 		"spriteMap": [
 			{
 				"sprite": "betterend:block/creeping_moss_spores",
-				"material": "betterend:wave_glow_50_half"
+				"material": "betterend:waving_floor_glow_half"
 			},
 			{
 				"sprite": "betterend:block/creeping_moss_leaves",

src/main/resources/assets/betterend/materials/waving_floor_glow_half.json

@@ -0,0 +1,10 @@
+{
+	"layers": [
+		{
+			"vertexSource": "betterend:shaders/material/wave_floor.vert",
+			"fragmentSource": "betterend:shaders/material/glow_all_half.frag",
+			"disableAo": true,
+			"disableDiffuse": true
+		}
+	]
+}