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();
}
/**
* Use this method instead of {@link #newInstance(BlockFamily)} to modify entity properties like
* the persistence flag before it gets created.
*
* @param blockFamily must not be null
*/
public EntityBuilder newBuilder(BlockFamily blockFamily, int quantity) {
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
Prefab prefab = Assets.getPrefab(blockFamily.getArchetypeBlock().getPrefab());
if (prefab != null) {
for (Component component : prefab.iterateComponents()) {
if (component.getClass().getAnnotation(AddToBlockBasedItem.class) != null) {
builder.addComponent(entityManager.getComponentLibrary().copy(component));
}
}
}
DisplayNameComponent displayNameComponent = builder.getComponent(DisplayNameComponent.class);
displayNameComponent.name = blockFamily.getDisplayName();
ItemComponent item = builder.getComponent(ItemComponent.class);
if (blockFamily.getArchetypeBlock().isStackable()) {
item.stackId = "block:" + blockFamily.getURI().toString();
item.stackCount = (byte) quantity;
}
BlockItemComponent blockItem = builder.getComponent(BlockItemComponent.class);
blockItem.blockFamily = blockFamily;
return builder;
}
private EntityRef createResultItem(String itemResult) {
String resultText = itemResult;
int count = 1;
int starIndex = resultText.indexOf("*");
if (starIndex > -1) {
count = Integer.parseInt(resultText.substring(0, starIndex));
resultText = resultText.substring(starIndex + 1);
}
EntityManager entityManager = CoreRegistry.get(EntityManager.class);
BlockManager blockManager = CoreRegistry.get(BlockManager.class);
PrefabManager prefabManager = CoreRegistry.get(PrefabManager.class);
Prefab prefab = prefabManager.getPrefab(resultText);
EntityRef result;
if (prefab != null) {
result = entityManager.create(prefab);
ItemComponent item = result.getComponent(ItemComponent.class);
item.stackCount = (byte) count;
result.saveComponent(item);
} else {
BlockItemFactory blockItemFactory = new BlockItemFactory(entityManager);
BlockFamily blockFamily = blockManager.getBlockFamily(resultText);
result = blockItemFactory.newInstance(blockFamily, count);
}
return result;
}
@Override
public boolean step() {
EntityManager entityManager = context.get(EntityManager.class);
WorldRenderer worldRenderer = context.get(WorldRenderer.class);
Iterator<EntityRef> worldEntityIterator =
entityManager.getEntitiesWith(WorldComponent.class).iterator();
// TODO: Move the world renderer bits elsewhere
if (worldEntityIterator.hasNext()) {
EntityRef worldEntity = worldEntityIterator.next();
worldRenderer.getChunkProvider().setWorldEntity(worldEntity);
// get the world generator config from the world entity
// replace the world generator values from the components in the world entity
WorldGenerator worldGenerator = context.get(WorldGenerator.class);
WorldConfigurator worldConfigurator = worldGenerator.getConfigurator();
Map<String, Component> params = worldConfigurator.getProperties();
for (Map.Entry<String, Component> entry : params.entrySet()) {
Class<? extends Component> clazz = entry.getValue().getClass();
Component comp = worldEntity.getComponent(clazz);
if (comp != null) {
worldConfigurator.setProperty(entry.getKey(), comp);
}
}
} else {
EntityRef worldEntity = entityManager.create();
worldEntity.addComponent(new WorldComponent());
worldRenderer.getChunkProvider().setWorldEntity(worldEntity);
// transfer all world generation parameters from Config to WorldEntity
WorldGenerator worldGenerator = context.get(WorldGenerator.class);
SimpleUri generatorUri = worldGenerator.getUri();
Config config = context.get(Config.class);
// get the map of properties from the world generator.
// Replace its values with values from the config set by the UI.
// Also set all the components to the world entity.
WorldConfigurator worldConfigurator = worldGenerator.getConfigurator();
Map<String, Component> params = worldConfigurator.getProperties();
for (Map.Entry<String, Component> entry : params.entrySet()) {
Class<? extends Component> clazz = entry.getValue().getClass();
Component comp = config.getModuleConfig(generatorUri, entry.getKey(), clazz);
if (comp != null) {
worldEntity.addComponent(comp);
worldConfigurator.setProperty(entry.getKey(), comp);
} else {
worldEntity.addComponent(entry.getValue());
}
}
}
return true;
}
private void handlePressurePlateEvents() {
Set<Vector3i> toRemoveSignal = Sets.newHashSet(activatedPressurePlates);
Iterable<EntityRef> players =
entityManager.getEntitiesWith(CharacterComponent.class, LocationComponent.class);
for (EntityRef player : players) {
Vector3f playerLocation = player.getComponent(LocationComponent.class).getWorldPosition();
Vector3i locationBeneathPlayer =
new Vector3i(playerLocation.x + 0.5f, playerLocation.y - 0.5f, playerLocation.z + 0.5f);
Block blockBeneathPlayer = worldProvider.getBlock(locationBeneathPlayer);
if (blockBeneathPlayer == signalPressurePlate) {
EntityRef entityBeneathPlayer = blockEntityRegistry.getBlockEntityAt(locationBeneathPlayer);
SignalProducerComponent signalProducer =
entityBeneathPlayer.getComponent(SignalProducerComponent.class);
if (signalProducer != null) {
if (signalProducer.signalStrength == 0) {
startProducingSignal(entityBeneathPlayer, -1);
activatedPressurePlates.add(locationBeneathPlayer);
} else {
toRemoveSignal.remove(locationBeneathPlayer);
}
}
}
}
for (Vector3i pressurePlateLocation : toRemoveSignal) {
EntityRef pressurePlate = blockEntityRegistry.getBlockEntityAt(pressurePlateLocation);
SignalProducerComponent signalProducer =
pressurePlate.getComponent(SignalProducerComponent.class);
if (signalProducer != null) {
stopProducingSignal(pressurePlate);
activatedPressurePlates.remove(pressurePlateLocation);
}
}
}
@Override
public void update(float delta) {
for (EntityRef entity : entityManager.getEntitiesWith(HealthComponent.class)) {
HealthComponent health = entity.getComponent(HealthComponent.class);
if (health.currentHealth <= 0) {
continue;
}
if (health.currentHealth == health.maxHealth || health.regenRate == 0) {
continue;
}
int healAmount = 0;
healAmount = regenerateHealth(health, healAmount);
checkHealed(entity, health, healAmount);
}
}
@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();
}
}