package com.essenceunbound.entity; import com.essenceunbound.technique.Technique; import net.minecraft.block.Blocks; import net.minecraft.entity.EntityType; import net.minecraft.entity.LivingEntity; import net.minecraft.entity.data.DataTracker; import net.minecraft.entity.data.TrackedData; import net.minecraft.entity.data.TrackedDataHandlerRegistry; import net.minecraft.entity.projectile.thrown.ThrownItemEntity; import net.minecraft.item.Item; import net.minecraft.item.ItemStack; import net.minecraft.nbt.NbtCompound; import net.minecraft.particle.BlockStateParticleEffect; import net.minecraft.particle.ParticleTypes; import net.minecraft.server.world.ServerWorld; import net.minecraft.util.hit.BlockHitResult; import net.minecraft.util.hit.EntityHitResult; import net.minecraft.world.World; import net.minecraft.world.explosion.Explosion; import net.minecraft.entity.effect.StatusEffectInstance; import net.minecraft.entity.effect.StatusEffects; import net.minecraft.entity.damage.DamageSource; import net.minecraft.util.math.Vec3d; import net.minecraft.entity.Entity; import java.util.List; public class TechniqueProjectile extends ThrownItemEntity { private static final TrackedData PROJ_TYPE = DataTracker.registerData(TechniqueProjectile.class, TrackedDataHandlerRegistry.INTEGER); private static final TrackedData TECHNIQUE_ID = DataTracker.registerData(TechniqueProjectile.class, TrackedDataHandlerRegistry.INTEGER); private static final TrackedData DAMAGE = DataTracker.registerData(TechniqueProjectile.class, TrackedDataHandlerRegistry.FLOAT); private static final TrackedData BOUNCES_LEFT = DataTracker.registerData(TechniqueProjectile.class, TrackedDataHandlerRegistry.INTEGER); private static final TrackedData BOOSTED = DataTracker.registerData(TechniqueProjectile.class, TrackedDataHandlerRegistry.BOOLEAN); private int splitCount = 0; public TechniqueProjectile(EntityType type, World world) { super(type, world); } public TechniqueProjectile(World world, LivingEntity owner, ProjectileType type, Technique technique, float damage) { super(ModEntities.TECHNIQUE_PROJECTILE, owner, world); dataTracker.set(PROJ_TYPE, type.ordinal()); dataTracker.set(TECHNIQUE_ID, technique.ordinal()); dataTracker.set(DAMAGE, damage); dataTracker.set(BOUNCES_LEFT, 5); dataTracker.set(BOOSTED, false); setItem(new ItemStack(type.getDisplayItem())); } @Override protected void initDataTracker() { super.initDataTracker(); dataTracker.startTracking(PROJ_TYPE, 0); dataTracker.startTracking(TECHNIQUE_ID, 0); dataTracker.startTracking(DAMAGE, 5f); dataTracker.startTracking(BOUNCES_LEFT, 5); dataTracker.startTracking(BOOSTED, false); } public ProjectileType getProjectileType() { int idx = dataTracker.get(PROJ_TYPE); ProjectileType[] values = ProjectileType.values(); return (idx >= 0 && idx < values.length) ? values[idx] : ProjectileType.FIREBALL; } public Technique getTechnique() { int idx = dataTracker.get(TECHNIQUE_ID); Technique[] values = Technique.values(); return (idx >= 0 && idx < values.length) ? values[idx] : Technique.INFERNO; } public float getDamage() { return dataTracker.get(DAMAGE); } public void setBoosted(boolean v) { dataTracker.set(BOOSTED, v); } public boolean isBoosted() { return dataTracker.get(BOOSTED); } @Override protected Item getDefaultItem() { return getProjectileType().getDisplayItem(); } @Override public void tick() { super.tick(); if (world.isClient) return; ServerWorld sw = (ServerWorld) world; ProjectileType type = getProjectileType(); if (type.isHoming() && age > 5) { LivingEntity target = findNearestTarget(20.0); if (target != null) { Vec3d dir = target.getPos().add(0, target.getHeight() / 2.0, 0) .subtract(getPos()).normalize(); Vec3d current = getVelocity(); double speed = current.length(); Vec3d steered = current.add(dir.multiply(0.15)).normalize().multiply(speed); setVelocity(steered); } } if (type == ProjectileType.SPARK_ORB_FIELD) { if (age % 10 == 0) { List nearby = world.getOtherEntities(this, getBoundingBox().expand(4.0), e -> e instanceof LivingEntity && e.isAlive() && e != getOwner()); for (Entity e : nearby) { e.damage(DamageSource.LIGHTNING_BOLT, getDamage() * 0.5f); sw.spawnParticles(ParticleTypes.ELECTRIC_SPARK, e.getX(), e.getY() + 1, e.getZ(), 6, 0.3, 0.5, 0.3, 0.1); } } sw.spawnParticles(ParticleTypes.ELECTRIC_SPARK, getX(), getY(), getZ(), 2, 0.3, 0.3, 0.3, 0.05); if (age > 100) discard(); } switch (type) { case FIREBALL -> { sw.spawnParticles(ParticleTypes.FLAME, getX(), getY(), getZ(), 4, 0.15, 0.15, 0.15, 0.05); sw.spawnParticles(ParticleTypes.LARGE_SMOKE, getX(), getY(), getZ(), 2, 0.1, 0.1, 0.1, 0.01); if (age % 3 == 0) sw.spawnParticles(ParticleTypes.LAVA, getX(), getY(), getZ(), 1, 0.05, 0.05, 0.05, 0.0); } case MAGMA_SHOT -> { sw.spawnParticles(ParticleTypes.LAVA, getX(), getY(), getZ(), 2, 0.1, 0.1, 0.1, 0.02); sw.spawnParticles(ParticleTypes.FLAME, getX(), getY(), getZ(), 2, 0.1, 0.1, 0.1, 0.03); } case FLARE_STAR -> { sw.spawnParticles(ParticleTypes.SOUL_FIRE_FLAME, getX(), getY(), getZ(), 3, 0.1, 0.1, 0.1, 0.04); sw.spawnParticles(ParticleTypes.FLAME, getX(), getY(), getZ(), 2, 0.05, 0.05, 0.05, 0.02); } case ICE_LANCE -> { sw.spawnParticles(ParticleTypes.SNOWFLAKE, getX(), getY(), getZ(), 3, 0.08, 0.08, 0.08, 0.01); if (age % 4 == 0) sw.spawnParticles(ParticleTypes.WHITE_ASH, getX(), getY(), getZ(), 2, 0.15, 0.15, 0.15, 0.01); } case CRYO_NEEDLE -> { sw.spawnParticles(ParticleTypes.SNOWFLAKE, getX(), getY(), getZ(), 2, 0.04, 0.04, 0.04, 0.01); } case BOLT -> { sw.spawnParticles(ParticleTypes.ELECTRIC_SPARK, getX(), getY(), getZ(), 4, 0.1, 0.1, 0.1, 0.05); sw.spawnParticles(ParticleTypes.CRIT, getX(), getY(), getZ(), 1, 0.05, 0.05, 0.05, 0.02); } case SPARK_ORB -> { sw.spawnParticles(ParticleTypes.ELECTRIC_SPARK, getX(), getY(), getZ(), 3, 0.15, 0.15, 0.15, 0.04); if (age % 3 == 0) sw.spawnParticles(ParticleTypes.CRIT, getX(), getY(), getZ(), 1, 0.1, 0.1, 0.1, 0.03); } case VOID_DART -> { sw.spawnParticles(ParticleTypes.PORTAL, getX(), getY(), getZ(), 3, 0.08, 0.08, 0.08, 0.05); if (age % 3 == 0) sw.spawnParticles(ParticleTypes.WITCH, getX(), getY(), getZ(), 1, 0.05, 0.05, 0.05, 0.0); } case SHURIKEN_OF_NIGHT -> { sw.spawnParticles(ParticleTypes.PORTAL, getX(), getY(), getZ(), 3, 0.1, 0.1, 0.1, 0.06); sw.spawnParticles(ParticleTypes.SMOKE, getX(), getY(), getZ(), 1, 0.05, 0.05, 0.05, 0.01); } case LIGHT_LANCE -> { sw.spawnParticles(ParticleTypes.END_ROD, getX(), getY(), getZ(), 3, 0.06, 0.06, 0.06, 0.04); if (age % 4 == 0) sw.spawnParticles(ParticleTypes.GLOW, getX(), getY(), getZ(), 1, 0.05, 0.05, 0.05, 0.0); } case CRYSTAL_SHARD -> { sw.spawnParticles(ParticleTypes.CRIT, getX(), getY(), getZ(), 2, 0.1, 0.1, 0.1, 0.04); sw.spawnParticles(ParticleTypes.SNOWFLAKE, getX(), getY(), getZ(), 1, 0.05, 0.05, 0.05, 0.01); } case MUD_BALL -> { sw.spawnParticles( new BlockStateParticleEffect(ParticleTypes.BLOCK, Blocks.DIRT.getDefaultState()), getX(), getY(), getZ(), 2, 0.1, 0.1, 0.1, 0.05); } case EARTH_SPIKE -> { sw.spawnParticles( new BlockStateParticleEffect(ParticleTypes.BLOCK, Blocks.STONE.getDefaultState()), getX(), getY(), getZ(), 3, 0.12, 0.12, 0.12, 0.06); if (age % 3 == 0) sw.spawnParticles( new BlockStateParticleEffect(ParticleTypes.BLOCK, Blocks.GRAVEL.getDefaultState()), getX(), getY(), getZ(), 1, 0.08, 0.08, 0.08, 0.04); } default -> {} } } @Override protected void onEntityHit(EntityHitResult hitResult) { if (world.isClient) return; Entity hit = hitResult.getEntity(); if (!(hit instanceof LivingEntity target)) return; if (hit == getOwner()) return; ServerWorld sw = (ServerWorld) world; ProjectileType type = getProjectileType(); float dmg = getDamage(); boolean boosted = isBoosted(); switch (type) { case FIREBALL -> { target.damage(DamageSource.ON_FIRE, dmg); target.setOnFireFor(4); sw.createExplosion(this, getX(), getY(), getZ(), boosted ? 3.5f : 1.5f, false, Explosion.DestructionType.NONE); sw.spawnParticles(ParticleTypes.FLAME, target.getX(), target.getY() + 1, target.getZ(), 20, 0.5, 0.8, 0.5, 0.15); sw.spawnParticles(ParticleTypes.LAVA, target.getX(), target.getY() + 1, target.getZ(), 8, 0.3, 0.3, 0.3, 0.1); } case MAGMA_SHOT -> { target.damage(DamageSource.ON_FIRE, dmg); target.setOnFireFor(3); spawnAreaEffect(sw, AreaEffectType.MAGMA_PUDDLE, 2.5f, 80); sw.spawnParticles(ParticleTypes.LAVA, target.getX(), target.getY() + 1, target.getZ(), 12, 0.4, 0.4, 0.4, 0.1); } case FLARE_STAR -> { target.damage(DamageSource.ON_FIRE, dmg); target.setOnFireFor(2); sw.spawnParticles(ParticleTypes.SOUL_FIRE_FLAME, target.getX(), target.getY() + 1, target.getZ(), 15, 0.4, 0.6, 0.4, 0.1); if (boosted) spawnSplitProjectiles(sw, target.getPos(), 3); } case ICE_LANCE -> { target.damage(DamageSource.FREEZE, dmg); target.addStatusEffect(new StatusEffectInstance(StatusEffects.SLOWNESS, 60, 1, false, true)); target.setFrozenTicks(target.getFrozenTicks() + 40); sw.spawnParticles(ParticleTypes.SNOWFLAKE, target.getX(), target.getY() + 1, target.getZ(), 20, 0.4, 0.6, 0.4, 0.05); sw.spawnParticles(ParticleTypes.WHITE_ASH, target.getX(), target.getY() + 1, target.getZ(), 10, 0.3, 0.5, 0.3, 0.02); if (splitCount < 2) { splitCount++; } } case CRYO_NEEDLE -> { target.damage(DamageSource.FREEZE, dmg * 0.4f); target.addStatusEffect(new StatusEffectInstance(StatusEffects.SLOWNESS, 40, 0, false, true)); sw.spawnParticles(ParticleTypes.SNOWFLAKE, target.getX(), target.getY() + 1, target.getZ(), 8, 0.2, 0.3, 0.2, 0.03); } case BOLT -> { target.damage(DamageSource.LIGHTNING_BOLT, dmg); target.addStatusEffect(new StatusEffectInstance(StatusEffects.SLOWNESS, 20, 2, false, true)); net.minecraft.entity.LightningEntity bolt = net.minecraft.entity.EntityType.LIGHTNING_BOLT.create(sw); if (bolt != null) { bolt.refreshPositionAfterTeleport(target.getX(), target.getY(), target.getZ()); bolt.setCosmetic(true); sw.spawnEntity(bolt); } sw.spawnParticles(ParticleTypes.ELECTRIC_SPARK, target.getX(), target.getY() + 1, target.getZ(), 20, 0.4, 0.6, 0.4, 0.1); if (boosted) bounceChainLightning(sw, target, dmg, 5); } case VOID_DART -> { target.damage(DamageSource.OUT_OF_WORLD, dmg); target.addStatusEffect(new StatusEffectInstance(StatusEffects.WEAKNESS, 60, 1, false, true)); sw.spawnParticles(ParticleTypes.PORTAL, target.getX(), target.getY() + 1, target.getZ(), 18, 0.3, 0.5, 0.3, 0.08); sw.spawnParticles(ParticleTypes.WITCH, target.getX(), target.getY() + 1, target.getZ(), 5, 0.2, 0.3, 0.2, 0.0); } case SHURIKEN_OF_NIGHT -> { target.damage(DamageSource.OUT_OF_WORLD, dmg); sw.spawnParticles(ParticleTypes.PORTAL, target.getX(), target.getY() + 1, target.getZ(), 14, 0.3, 0.5, 0.3, 0.06); sw.spawnParticles(ParticleTypes.SMOKE, target.getX(), target.getY() + 0.5, target.getZ(), 6, 0.2, 0.3, 0.2, 0.02); } case LIGHT_LANCE -> { target.damage(DamageSource.MAGIC, dmg); target.addStatusEffect(new StatusEffectInstance(StatusEffects.GLOWING, 100, 0, false, true)); sw.spawnParticles(ParticleTypes.END_ROD, target.getX(), target.getY() + 1, target.getZ(), 20, 0.3, 0.6, 0.3, 0.08); sw.spawnParticles(ParticleTypes.GLOW, target.getX(), target.getY() + 1, target.getZ(), 8, 0.3, 0.5, 0.3, 0.0); if (boosted) { List nearby = world.getOtherEntities(this, target.getBoundingBox().expand(5.0), e -> e instanceof LivingEntity && e.isAlive() && e != getOwner()); for (Entity e : nearby) { e.damage(DamageSource.MAGIC, dmg * 0.5f); sw.spawnParticles(ParticleTypes.END_ROD, e.getX(), e.getY() + 1, e.getZ(), 8, 0.2, 0.3, 0.2, 0.05); } } } case CRYSTAL_SHARD -> { target.damage(DamageSource.MAGIC, dmg); target.addStatusEffect(new StatusEffectInstance(StatusEffects.SLOWNESS, 40, 0, false, true)); sw.spawnParticles(ParticleTypes.CRIT, target.getX(), target.getY() + 1, target.getZ(), 12, 0.3, 0.5, 0.3, 0.08); sw.spawnParticles(ParticleTypes.ENCHANTED_HIT, target.getX(), target.getY() + 1, target.getZ(), 5, 0.2, 0.3, 0.2, 0.05); } case MUD_BALL -> { target.damage(DamageSource.GENERIC, dmg); target.addStatusEffect(new StatusEffectInstance(StatusEffects.BLINDNESS, 20, 0, false, true)); sw.spawnParticles( new BlockStateParticleEffect(ParticleTypes.BLOCK, Blocks.DIRT.getDefaultState()), target.getX(), target.getY() + 1, target.getZ(), 20, 0.4, 0.5, 0.4, 0.12); } default -> target.damage(DamageSource.GENERIC, dmg); } } @Override protected void onBlockHit(BlockHitResult hitResult) { if (world.isClient) return; ServerWorld sw = (ServerWorld) world; ProjectileType type = getProjectileType(); Vec3d pos = hitResult.getPos(); switch (type) { case FIREBALL -> { sw.createExplosion(this, pos.x, pos.y, pos.z, isBoosted() ? 3.5f : 1.5f, false, Explosion.DestructionType.NONE); sw.spawnParticles(ParticleTypes.FLAME, pos.x, pos.y, pos.z, 15, 0.4, 0.4, 0.4, 0.1); sw.spawnParticles(ParticleTypes.LAVA, pos.x, pos.y, pos.z, 6, 0.3, 0.3, 0.3, 0.08); } case MAGMA_SHOT -> { spawnAreaEffect(sw, AreaEffectType.MAGMA_PUDDLE, 2.5f, 80); sw.spawnParticles(ParticleTypes.LAVA, pos.x, pos.y, pos.z, 10, 0.3, 0.2, 0.3, 0.06); } case ICE_LANCE -> { sw.spawnParticles(ParticleTypes.SNOWFLAKE, pos.x, pos.y, pos.z, 15, 0.3, 0.3, 0.3, 0.04); sw.spawnParticles(ParticleTypes.WHITE_ASH, pos.x, pos.y + 0.5, pos.z, 8, 0.4, 0.4, 0.4, 0.02); } case HAILSTORM_SHARD -> { TechniqueAreaEffect area = new TechniqueAreaEffect(world, getOwner(), AreaEffectType.HAILSTORM_CLOUD, 3.0f, 60); area.setPosition(pos.x, pos.y + 3, pos.z); world.spawnEntity(area); sw.spawnParticles(ParticleTypes.SNOWFLAKE, pos.x, pos.y, pos.z, 20, 0.5, 0.5, 0.5, 0.05); } case VOID_DART, SHURIKEN_OF_NIGHT -> { sw.spawnParticles(ParticleTypes.PORTAL, pos.x, pos.y, pos.z, 12, 0.3, 0.3, 0.3, 0.06); } case EARTH_SPIKE, MUD_BALL -> { sw.spawnParticles( new BlockStateParticleEffect(ParticleTypes.BLOCK, Blocks.DIRT.getDefaultState()), pos.x, pos.y, pos.z, 15, 0.3, 0.3, 0.3, 0.1); } default -> {} } } private void spawnAreaEffect(ServerWorld sw, AreaEffectType type, float radius, int duration) { TechniqueAreaEffect area = new TechniqueAreaEffect(world, getOwner(), type, radius, duration); area.setPosition(getX(), getY(), getZ()); world.spawnEntity(area); } private void spawnSplitProjectiles(ServerWorld sw, Vec3d origin, int count) { java.util.Random rng = new java.util.Random(); LivingEntity owner = getOwner() instanceof LivingEntity le ? le : null; if (owner == null) return; for (int i = 0; i < count; i++) { TechniqueProjectile child = new TechniqueProjectile(world, owner, ProjectileType.FIREBALL, getTechnique(), getDamage() * 0.5f); child.setPosition(origin.x, origin.y, origin.z); Vec3d vel = new Vec3d( rng.nextGaussian() * 0.5 + (origin.x - owner.getX()) * 0.1, 0.3 + rng.nextDouble() * 0.2, rng.nextGaussian() * 0.5 + (origin.z - owner.getZ()) * 0.1 ).normalize().multiply(0.8); child.setVelocity(vel.x, vel.y, vel.z); world.spawnEntity(child); } } private void bounceChainLightning(ServerWorld sw, LivingEntity lastHit, float dmg, int bouncesLeft) { if (bouncesLeft <= 0) return; List nearby = world.getOtherEntities(lastHit, lastHit.getBoundingBox().expand(6.0), e -> e instanceof LivingEntity && e.isAlive() && e != getOwner() && e != lastHit); if (nearby.isEmpty()) return; LivingEntity next = (LivingEntity) nearby.get(0); next.damage(DamageSource.LIGHTNING_BOLT, dmg * 0.7f); net.minecraft.entity.LightningEntity bolt = net.minecraft.entity.EntityType.LIGHTNING_BOLT.create(sw); if (bolt != null) { bolt.refreshPositionAfterTeleport(next.getX(), next.getY(), next.getZ()); bolt.setCosmetic(true); sw.spawnEntity(bolt); } sw.spawnParticles(ParticleTypes.ELECTRIC_SPARK, next.getX(), next.getY() + 1, next.getZ(), 10, 0.3, 0.5, 0.3, 0.08); bounceChainLightning(sw, next, dmg * 0.7f, bouncesLeft - 1); } private LivingEntity findNearestTarget(double range) { List entities = world.getOtherEntities(this, getBoundingBox().expand(range), e -> e instanceof LivingEntity && e.isAlive() && e != getOwner() && !e.isSpectator()); LivingEntity nearest = null; double closestDist = Double.MAX_VALUE; for (Entity e : entities) { double dist = squaredDistanceTo(e); if (dist < closestDist) { closestDist = dist; nearest = (LivingEntity) e; } } return nearest; } @Override public void writeCustomDataToNbt(NbtCompound nbt) { super.writeCustomDataToNbt(nbt); nbt.putInt("ProjType", dataTracker.get(PROJ_TYPE)); nbt.putInt("TechniqueId", dataTracker.get(TECHNIQUE_ID)); nbt.putFloat("Damage", dataTracker.get(DAMAGE)); nbt.putInt("BouncesLeft", dataTracker.get(BOUNCES_LEFT)); nbt.putBoolean("Boosted", dataTracker.get(BOOSTED)); nbt.putInt("SplitCount", splitCount); } @Override public void readCustomDataFromNbt(NbtCompound nbt) { super.readCustomDataFromNbt(nbt); dataTracker.set(PROJ_TYPE, nbt.getInt("ProjType")); dataTracker.set(TECHNIQUE_ID, nbt.getInt("TechniqueId")); dataTracker.set(DAMAGE, nbt.getFloat("Damage")); dataTracker.set(BOUNCES_LEFT, nbt.getInt("BouncesLeft")); dataTracker.set(BOOSTED, nbt.getBoolean("Boosted")); splitCount = nbt.getInt("SplitCount"); } }