@Override
public BlockUri resolveBlockFamilyUri(String uri) {
List<BlockUri> matches = resolveAllBlockFamilyUri(uri);
switch (matches.size()) {
case 0:
logger.warn("Failed to resolve block family '{}'", uri);
return null;
case 1:
return matches.get(0);
default:
Module context = ModuleContext.getContext();
if (context != null) {
Set<String> dependencies = moduleManager.getDependencyNamesOf(context);
Iterator<BlockUri> iterator = matches.iterator();
while (iterator.hasNext()) {
BlockUri possibleUri = iterator.next();
if (context.getId().equals(possibleUri.getNormalisedModuleName())) {
return possibleUri;
}
if (!dependencies.contains(possibleUri.getNormalisedModuleName())) {
iterator.remove();
}
}
if (matches.size() == 1) {
return matches.get(0);
}
}
logger.warn(
"Failed to resolve block family '{}' - too many valid matches {}", uri, matches);
return null;
}
}
@Override
public boolean hasBlockFamily(BlockUri uri) {
if (registeredBlockInfo.get().registeredFamilyByUri.containsKey(uri)
|| availableFamilies.containsKey(uri)
|| freeformBlockUris.contains(uri)) {
return true;
}
return uri.hasShape()
&& Assets.get(uri.getShapeUri()) != null
&& freeformBlockUris.contains(uri.getRootFamilyUri());
}
public BlockFamily loadWithShape(BlockUri uri) {
try (ModuleContext.ContextSpan ignored = ModuleContext.setContext(uri.getModuleName())) {
BlockShape shape = cubeShape;
if (uri.hasShape()) {
AssetUri shapeUri = uri.getShapeUri();
if (!shapeUri.isValid()) {
return null;
}
shape = (BlockShape) Assets.get(shapeUri);
if (shape == null) {
return null;
}
}
AssetUri blockDefUri =
new AssetUri(AssetType.BLOCK_DEFINITION, uri.getModuleName(), uri.getFamilyName());
BlockDefinition def;
if (assetManager.getAssetURLs(blockDefUri).isEmpty()) {
// An auto-block
def = new BlockDefinition();
} else {
def =
createBlockDefinition(
inheritData(blockDefUri, readJson(blockDefUri).getAsJsonObject()));
}
def.shape = (shape.getURI().toSimpleString());
if (shape.isCollisionYawSymmetric()) {
Block block = constructSingleBlock(blockDefUri, def);
if (block.getDisplayName().isEmpty()) {
block.setDisplayName(shape.getDisplayName());
} else if (!shape.getDisplayName().isEmpty()) {
block.setDisplayName(block.getDisplayName() + " " + shape.getDisplayName());
}
return new SymmetricFamily(uri, block, def.categories);
} else {
Map<Side, Block> blockMap = Maps.newEnumMap(Side.class);
constructHorizontalBlocks(blockDefUri, def, blockMap);
for (Block block : blockMap.values()) {
if (block.getDisplayName().isEmpty()) {
block.setDisplayName(shape.getDisplayName());
} else if (!shape.getDisplayName().isEmpty()) {
block.setDisplayName(block.getDisplayName() + " " + shape.getDisplayName());
}
}
return new HorizontalBlockFamily(uri, blockMap, def.categories);
}
} catch (Exception e) {
logger.error("Error loading block shape {}", uri, e);
}
return null;
}
@Override
public BlockFamily getBlockFamily(BlockUri uri) {
BlockFamily family = registeredBlockInfo.get().registeredFamilyByUri.get(uri);
if (family == null && generateNewIds) {
if (isFreeformFamily(uri.getRootFamilyUri())) {
family = blockLoader.loadWithShape(uri);
} else {
family = getAvailableBlockFamily(uri);
}
if (family != null) {
lock.lock();
try {
for (Block block : family.getBlocks()) {
block.setId(getNextId());
}
registerFamily(family);
} finally {
lock.unlock();
}
} else {
logger.warn("Unable to resolve block family {}", uri);
}
}
return family;
}
/**
* Retrieve all {@code BlockUri}s that match the given string.
*
* <p>In order to resolve the {@code BlockUri}s, every package is searched for the given uri
* pattern.
*
* @param uri the uri pattern to match
* @return a list of matching block uris
*/
@Override
public List<BlockUri> resolveAllBlockFamilyUri(String uri) {
List<BlockUri> matches = Lists.newArrayList();
BlockUri straightUri = new BlockUri(uri);
if (straightUri.isValid()) {
if (hasBlockFamily(straightUri)) {
matches.add(straightUri);
}
} else {
for (String packageName : Assets.listModules()) {
BlockUri modUri = new BlockUri(packageName, uri);
if (hasBlockFamily(modUri)) {
matches.add(modUri);
}
}
}
return matches;
}
@Override
public Block getBlock(BlockUri uri) {
Block block = registeredBlockInfo.get().blocksByUri.get(uri);
if (block == null) {
// Check if partially registered by getting the block family
BlockFamily family = getBlockFamily(uri.getFamilyUri());
if (family != null) {
block = family.getBlockFor(uri);
}
if (block == null) {
return getAir();
}
}
return block;
}
@Override
public boolean isFreeformFamily(BlockUri familyUri) {
return freeformBlockUris.contains(familyUri.getRootFamilyUri());
}