don't move when charging

.kotlin/errors/errors-1741839380575.log

@@ -0,0 +1,4 @@
+kotlin version: 2.0.10
+error message: The daemon has terminated unexpectedly on startup attempt #1 with error code: 0. The daemon process output:
+    1. Kotlin compile daemon is ready
+

src/main/kotlin/ru/dbotthepony/mc/otm/entity/Enforcer.kt

@@ -1,6 +1,9 @@
 package ru.dbotthepony.mc.otm.entity
 
 import net.minecraft.core.particles.ParticleTypes
+import net.minecraft.network.syncher.EntityDataAccessor
+import net.minecraft.network.syncher.EntityDataSerializers
+import net.minecraft.network.syncher.SynchedEntityData
 import net.minecraft.server.level.ServerBossEvent
 import net.minecraft.server.level.ServerLevel
 import net.minecraft.sounds.SoundEvent
@@ -27,14 +30,43 @@ import net.minecraft.world.level.Level
 import ru.dbotthepony.mc.otm.core.TranslatableComponent
 import ru.dbotthepony.mc.otm.registry.MNames
 import ru.dbotthepony.mc.otm.registry.game.MSoundEvents
+import java.util.*
 
 class Enforcer(type: EntityType<Enforcer>, level: Level) : Monster(type,level) {
 	val idleState = AnimationState()
 	val chargeState = AnimationState()
+
 	init {
 		idleState.start(tickCount)
 	}
 
+	companion object {
+		fun createAttributes() : AttributeSupplier.Builder {
+			return createMonsterAttributes()
+				.add(Attributes.MAX_HEALTH, 300.0)
+				.add(Attributes.ARMOR, 20.0)
+				.add(Attributes.MOVEMENT_SPEED, 0.3)
+				.add(Attributes.STEP_HEIGHT, 1.0)
+				.add(Attributes.KNOCKBACK_RESISTANCE, 1.0)
+		}
+		private val IS_CHARGING: EntityDataAccessor<Boolean> =
+			SynchedEntityData.defineId(Enforcer::class.java, EntityDataSerializers.BOOLEAN)
+	}
+
+	override fun defineSynchedData(builder: SynchedEntityData.Builder) {
+		super.defineSynchedData(builder)
+		builder.define(IS_CHARGING, false)
+	}
+
+	fun setCharging(value: Boolean) {
+		entityData.set(IS_CHARGING, value)
+	}
+
+	fun isCharging(): Boolean {
+		return entityData.get(IS_CHARGING)
+	}
+
+
 	override fun registerGoals() {
 		goalSelector.addGoal(7, LookAtPlayerGoal(this, Player::class.java, 8f))
 		goalSelector.addGoal(3, NearestAttackableTargetGoal(this, LivingEntity::class.java, 10, true, true) { entity ->
@@ -46,6 +78,7 @@ class Enforcer(type: EntityType<Enforcer>, level: Level) : Monster(type,level) {
 		})
 
 		goalSelector.addGoal(2, RammingGoal(this))
+		goalSelector.addGoal(2, StayNearGoal(this))
 		targetSelector.addGoal(1, HurtByTargetGoal(this))
 	}
 
@@ -81,6 +114,12 @@ class Enforcer(type: EntityType<Enforcer>, level: Level) : Monster(type,level) {
 		bossEvent.progress = this.health / this.maxHealth
 	}
 
+	//this stuff removes 180-degree head rotation limits that minecraft mobs have, since this is a turret on a tank, we don't need such limits
+	//WE ARE BEYOND THAT, THOSE ARE MY GREAT WAR-MACHINES
+	override fun getMaxHeadYRot(): Int {
+		return 180
+	}
+
 	override fun die(cause: net.minecraft.world.damagesource.DamageSource) {
 		super.die(cause)
 		bossEvent.removeAllPlayers()
@@ -91,6 +130,10 @@ class Enforcer(type: EntityType<Enforcer>, level: Level) : Monster(type,level) {
 	class RammingGoal(private val mob: Enforcer) : Goal() {
 		private var target: LivingEntity? = null
 
+		init {
+			setFlags(EnumSet.of(Goal.Flag.MOVE))
+		}
+
 		private var chargeTime = 0
 		private val windupTime = 20
 		private val maxChargeTime = 40
@@ -115,12 +158,12 @@ class Enforcer(type: EntityType<Enforcer>, level: Level) : Monster(type,level) {
 		}
 
 		override fun start() {
+			mob.setCharging(true)
 			mob.playSound(MSoundEvents.ENFORCER_ALERT, 1.0f, 1.0f)
 			chargeTime = 0
 			mob.navigation.stop()
 			cooldown = minCooldown + mob.random.nextInt(maxCooldown - minCooldown)
 			isCharging = true
-
 			mob.chargeState.start(mob.tickCount)
 		}
 
@@ -203,23 +246,56 @@ class Enforcer(type: EntityType<Enforcer>, level: Level) : Monster(type,level) {
 		}
 
 		override fun stop() {
+			mob.setCharging(false)
 			mob.setDeltaMovement(Vec3.ZERO)
 			chargeTime = 0
 			chargeDir = null
 			isCharging = false
-
 			mob.chargeState.stop()
 		}
 	}
 
-	companion object {
+	class StayNearGoal(private val mob: Enforcer) : Goal() {
-		fun createAttributes() : AttributeSupplier.Builder {
+		private var target: LivingEntity? = null
-			return createMonsterAttributes()
+		private var moveCD = 0
-				.add(Attributes.MAX_HEALTH, 300.0)
+		private var movePos: Vec3? = null
-				.add(Attributes.ARMOR, 20.0)
+
-				.add(Attributes.MOVEMENT_SPEED, 0.3)
+		override fun canUse(): Boolean {
-				.add(Attributes.STEP_HEIGHT, 1.0)
+			return mob.target != null && !mob.isCharging()
-				.add(Attributes.KNOCKBACK_RESISTANCE, 1.0)
+		}
+
+		override fun canContinueToUse(): Boolean {
+			return canUse()
+		}
+
+		override fun start() {
+			target = mob.target
+			moveCD = 0
+		}
+
+		override fun tick() {
+			mob.lookControl.setLookAt(target, 30.0f, 30.0f)
+			val target = mob.target ?: return
+
+			if (moveCD > 0) {
+				moveCD--
+				return
+			}
+
+			moveCD = 10 + mob.random.nextInt(10)
+
+			val targetX = target.x
+			val targetZ = target.z
+
+			val angle = mob.random.nextDouble() * Math.PI * 2
+			val distance = 8.0 + mob.random.nextDouble() * 3.0
+
+			val offsetX = Math.cos(angle) * distance
+			val offsetZ = Math.sin(angle) * distance
+
+			movePos = Vec3(targetX + offsetX, target.y + 2.0, targetZ + offsetZ)
+
+			mob.navigation.moveTo(movePos!!.x, movePos!!.y, movePos!!.z, 1.5)
 		}
 	}
 }

src/main/kotlin/ru/dbotthepony/mc/otm/entity/Loader.kt

@@ -57,6 +57,7 @@ class Loader(type: EntityType<Loader>, level: Level) : Monster(type, level) {
 		super.defineSynchedData(builder)
 		builder.define(DATA_ATTACKING, false)
 	}
+
 	var isAttacking: Boolean
 		get() = this.entityData.get(DATA_ATTACKING)
 		set(value) {

src/main/kotlin/ru/dbotthepony/mc/otm/entity/RocketProjectile.kt

@@ -0,0 +1,90 @@
+package ru.dbotthepony.mc.otm.entity
+
+import net.minecraft.core.particles.ParticleTypes
+import net.minecraft.network.syncher.SynchedEntityData
+import net.minecraft.world.damagesource.DamageTypes
+import net.minecraft.world.entity.projectile.Projectile
+import net.minecraft.world.entity.projectile.ProjectileUtil
+import net.minecraft.world.item.ItemStack
+import net.minecraft.world.level.Level
+import net.minecraft.world.level.block.Blocks
+import net.minecraft.world.level.block.LevelEvent
+import net.minecraft.world.phys.BlockHitResult
+import net.minecraft.world.phys.EntityHitResult
+import net.minecraft.world.phys.HitResult
+import net.neoforged.neoforge.event.EventHooks
+import ru.dbotthepony.mc.otm.core.damageType
+import ru.dbotthepony.mc.otm.registry.MDamageTypes
+import ru.dbotthepony.mc.otm.registry.game.MEntityTypes
+import ru.dbotthepony.mc.otm.registry.MatteryDamageSource
+
+class RocketProjectile(level: Level) : Projectile(MEntityTypes.PLASMA, level) {
+	var inflictor: ItemStack? = null
+	var damage = 6.0f
+	var ttl = 200
+
+	override fun defineSynchedData(p_326003_: SynchedEntityData.Builder) {
+
+	}
+
+	override fun onHit(p_37260_: HitResult) {
+		super.onHit(p_37260_)
+
+		if (!level().isClientSide) {
+			discard()
+		}
+	}
+
+	override fun onHitEntity(p_37259_: EntityHitResult) {
+		super.onHitEntity(p_37259_)
+
+		if (!level().isClientSide) {
+			p_37259_.entity.hurt(MatteryDamageSource(level().registryAccess().damageType(DamageTypes.EXPLOSION), owner, inflictor), damage)
+			level().explode(this, x, y, z, 2.5f, Level.ExplosionInteraction.BLOCK)
+		}
+	}
+
+	override fun onHitBlock(p_37258_: BlockHitResult) {
+		super.onHitBlock(p_37258_)
+	}
+
+	override fun tick() {
+		if (--ttl <= 0) {
+			discard()
+			return
+		}
+
+		super.tick()
+
+		val trace = ProjectileUtil.getHitResultOnMoveVector(this, this::canHitEntity)
+
+		if (trace.type == HitResult.Type.BLOCK) {
+			val pos = (trace as BlockHitResult).blockPos
+			val state = level().getBlockState(pos)
+			level().explode(this, x, y, z, 2.5f, Level.ExplosionInteraction.BLOCK)
+
+
+			if (state.`is`(Blocks.NETHER_PORTAL) || state.`is`(Blocks.END_GATEWAY)) {
+				onHitBlock(trace)
+
+				// don't teleport plasma projectile
+				if (!level().isClientSide)
+					discard()
+
+				return
+			}
+		}
+
+		if (trace.type != HitResult.Type.MISS && !EventHooks.onProjectileImpact(this, trace)) {
+			onHit(trace)
+		}
+
+		checkInsideBlocks()
+
+		val x = x + deltaMovement.x
+		val y = y + deltaMovement.y
+		val z = z + deltaMovement.z
+
+		setPos(x, y, z)
+	}
+}

src/main/kotlin/ru/dbotthepony/mc/otm/registry/MNames.kt

@@ -333,6 +333,8 @@ object MNames {
 
 	// entities
 	const val PLASMA = "plasma_projectile"
+	const val ROCKET = "rocket_projectile"
+
 	const val RIDEABLE_DUMMY = "rideable_dummy"
 	const val BREAD_MONSTER = "bread_monster"
 	const val LOADER = "loader"

src/main/kotlin/ru/dbotthepony/mc/otm/registry/game/MEntityTypes.kt

@@ -25,6 +25,10 @@ object MEntityTypes {
 		EntityType.Builder.of({ _, level -> PlasmaProjectile(level) }, MobCategory.MISC).sized(0.4f, 0.4f).build(MNames.PLASMA)
 	}
 
+	val ROCKET: EntityType<RocketProjectile> by registry.register(MNames.ROCKET) {
+		EntityType.Builder.of({ _, level -> RocketProjectile(level) }, MobCategory.MISC).sized(0.4f, 0.4f).build(MNames.ROCKET)
+	}
+
 
 	val CARGO_CRATE_MINECARTS: Map<DyeColor?, EntityType<MinecartCargoCrate>> = registry.coloredWithBase(MNames.MINECART_CARGO_CRATE) { color ->
 		EntityType.Builder.of({ it, level -> MinecartCargoCrate(it, color, level)}, MobCategory.MISC).sized(0.98F, 0.7F).clientTrackingRange(8).build("dfu doesn't works ✅")