public EntityRef newInstance(BlockFamily blockFamily, EntityRef blockEntity) {
if (blockFamily == null) {
return EntityRef.NULL;
}
EntityBuilder builder = entityManager.newBuilder("engine:blockItemBase");
if (blockFamily.getArchetypeBlock().getLuminance() > 0) {
builder.addComponent(new LightComponent());
}
// Copy the components from block prefab into the block item
for (Component component : blockEntity.iterateComponents()) {
if (component.getClass().getAnnotation(AddToBlockBasedItem.class) != null) {
builder.addComponent(entityManager.getComponentLibrary().copy(component));
}
}
ItemComponent item = builder.getComponent(ItemComponent.class);
if (blockFamily.getArchetypeBlock().isStackable()) {
item.stackId = "block:" + blockFamily.getURI().toString();
item.stackCount = (byte) 1;
}
BlockItemComponent blockItem = builder.getComponent(BlockItemComponent.class);
blockItem.blockFamily = blockFamily;
return builder.build();
}
public EntityRef newInstance(BlockFamily blockFamily, int quantity) {
if (blockFamily == null) {
return EntityRef.NULL;
}
EntityBuilder builder = newBuilder(blockFamily, quantity);
return builder.build();
}
private EntityRef createBlockEntity(Vector3i blockPosition, Block block) {
EntityBuilder builder = entityManager.newBuilder(block.getPrefab().orElse(null));
builder.addComponent(new LocationComponent(blockPosition.toVector3f()));
builder.addComponent(new BlockComponent(block, blockPosition));
if (block.isDestructible() && !builder.hasComponent(HealthComponent.class)) {
// Block regen should always take the same amount of time, regardless of its hardness
builder.addComponent(
new HealthComponent(
block.getHardness(), block.getHardness() / BLOCK_REGEN_SECONDS, 1.0f));
}
boolean isTemporary = isTemporaryBlock(builder, block);
if (!isTemporary && !builder.hasComponent(NetworkComponent.class)) {
builder.addComponent(new NetworkComponent());
}
EntityRef blockEntity;
if (isTemporary) {
blockEntity = builder.buildWithoutLifecycleEvents();
temporaryBlockEntities.add(blockEntity);
} else {
blockEntity = builder.build();
}
blockEntityLookup.put(new Vector3i(blockPosition), blockEntity);
return blockEntity;
}
public EntityRef deserialize(EntityData.PackedEntity entityData) {
EntityBuilder target;
if (entityData.hasParentPrefabUri()) {
target = entityManager.newBuilder(entityData.getParentPrefabUri());
} else {
target = entityManager.newBuilder();
}
deserializeOnto(target, entityData);
if (entityData.hasId()) {
return entityManager.createEntityWithId(entityData.getId(), target.iterateComponents());
} else {
return target.build();
}
}
@ReceiveEvent
public void onActivate(
ActivateEvent event, EntityRef entity, TunnelActionComponent tunnelActionComponent) {
Vector3f dir = new Vector3f(event.getDirection());
dir.scale(4.0f);
Vector3f origin = new Vector3f(event.getOrigin());
origin.add(dir);
Vector3i blockPos = new Vector3i();
int particleEffects = 0;
int blockCounter = tunnelActionComponent.maxDestroyedBlocks;
for (int s = 0; s <= tunnelActionComponent.maxTunnelDepth; s++) {
origin.add(dir);
if (!worldProvider.isBlockRelevant(origin)) {
break;
}
for (int i = 0; i < tunnelActionComponent.maxRaysCast; i++) {
Vector3f direction = random.nextVector3f();
Vector3f impulse = new Vector3f(direction);
impulse.scale(tunnelActionComponent.explosiveForce);
for (int j = 0; j < 3; j++) {
Vector3f target = new Vector3f(origin);
target.x += direction.x * j;
target.y += direction.y * j;
target.z += direction.z * j;
blockPos.set((int) target.x, (int) target.y, (int) target.z);
Block currentBlock = worldProvider.getBlock(blockPos);
if (currentBlock.isDestructible()) {
if (particleEffects < tunnelActionComponent.maxParticalEffects) {
EntityBuilder builder = entityManager.newBuilder("engine:smokeExplosion");
builder.getComponent(LocationComponent.class).setWorldPosition(target);
builder.build();
particleEffects++;
}
if (random.nextFloat() < tunnelActionComponent.thoroughness) {
EntityRef blockEntity = blockEntityRegistry.getEntityAt(blockPos);
blockEntity.send(
new DoDamageEvent(
tunnelActionComponent.damageAmount, tunnelActionComponent.damageType));
}
blockCounter--;
}
if (blockCounter <= 0) {
return;
}
}
}
}
// No blocks were destroyed, so cancel the event
if (blockCounter == tunnelActionComponent.maxDestroyedBlocks) {
event.consume();
}
}
