private int registerBlock(Block block, String name, int idHint) {
// handle ItemBlock-before-Block registrations
ItemBlock itemBlock = null;
for (Item item : iItemRegistry.typeSafeIterable()) // find matching ItemBlock
{
if (item instanceof ItemBlock && ((ItemBlock) item).block == block) {
itemBlock = (ItemBlock) item;
break;
}
}
if (itemBlock
!= null) // has ItemBlock, adjust id and clear the slot already occupied by the
// corresponding item
{
idHint = iItemRegistry.getId(itemBlock);
FMLLog.fine("Found matching ItemBlock %s for Block %s at id %d", itemBlock, block, idHint);
freeSlot(
idHint,
block); // temporarily free the slot occupied by the Item for the block registration
}
// add
int blockId = iBlockRegistry.add(idHint, name, block, availabilityMap);
if (itemBlock != null) // verify
{
if (blockId != idHint)
throw new IllegalStateException(
String.format(
"Block at itemblock id %d insertion failed, got id %d.", idHint, blockId));
verifyItemBlockName(itemBlock);
}
useSlot(blockId);
((RegistryDelegate.Delegate<Block>) block.delegate).setName(name);
for (IBlockState state : ((List<IBlockState>) block.getBlockState().getValidStates())) {
GameData.BLOCKSTATE_TO_ID.put(state, blockId << 4 | block.getMetaFromState(state));
}
return blockId;
}
public static List<String> injectSnapshot(
GameDataSnapshot snapshot, boolean injectFrozenData, boolean isLocalWorld) {
FMLLog.info(
"Injecting existing block and item data into this %s instance",
FMLCommonHandler.instance().getEffectiveSide().isServer() ? "server" : "client");
Map<String, Integer[]> remapBlocks = Maps.newHashMap();
Map<String, Integer[]> remapItems = Maps.newHashMap();
LinkedHashMap<String, Integer> missingBlocks = new LinkedHashMap<String, Integer>();
LinkedHashMap<String, Integer> missingItems = new LinkedHashMap<String, Integer>();
getMain().testConsistency();
getMain().iBlockRegistry.dump();
getMain().iItemRegistry.dump();
getMain().iItemRegistry.resetSubstitutionDelegates();
GameDataSnapshot.Entry blocks = snapshot.entries.get("fml:blocks");
GameDataSnapshot.Entry items = snapshot.entries.get("fml:items");
GameData newData = new GameData();
for (int id : blocks.blocked) {
newData.block(id);
}
for (Map.Entry<String, String> entry : blocks.aliases.entrySet()) {
newData.iBlockRegistry.addAlias(entry.getKey(), entry.getValue());
}
for (Map.Entry<String, String> entry : items.aliases.entrySet()) {
newData.iItemRegistry.addAlias(entry.getKey(), entry.getValue());
}
for (String entry : blocks.substitutions) {
newData.iBlockRegistry.activateSubstitution(entry);
}
for (String entry : items.substitutions) {
newData.iItemRegistry.activateSubstitution(entry);
}
if (injectFrozenData) {
for (String newBlockSubstitution : getMain().blockSubstitutions.keySet()) {
if (!blocks.substitutions.contains(newBlockSubstitution)) {
newData.iBlockRegistry.activateSubstitution(newBlockSubstitution);
}
}
for (String newItemSubstitution : getMain().itemSubstitutions.keySet()) {
if (!items.substitutions.contains(newItemSubstitution)) {
newData.iItemRegistry.activateSubstitution(newItemSubstitution);
}
}
}
// Clear State map for it's ready for us to register below.
GameData.BLOCKSTATE_TO_ID.clear();
// process blocks and items in the world, blocks in the first pass, items in the second
// blocks need to be added first for proper ItemBlock handling
for (int pass = 0; pass < 2; pass++) {
boolean isBlock = (pass == 0);
Map<String, Integer> ids = (isBlock ? blocks.ids : items.ids);
for (Entry<String, Integer> entry : ids.entrySet()) {
String itemName = entry.getKey();
int newId = entry.getValue();
int currId =
isBlock
? getMain().iBlockRegistry.getId(itemName)
: getMain().iItemRegistry.getId(itemName);
if (currId == -1) {
FMLLog.info("Found a missing id from the world %s", itemName);
(isBlock ? missingBlocks : missingItems).put(entry.getKey(), newId);
continue; // no block/item -> nothing to add
} else if (currId != newId) {
FMLLog.fine(
"Fixed %s id mismatch %s: %d (init) -> %d (map).",
isBlock ? "block" : "item", itemName, currId, newId);
(isBlock ? remapBlocks : remapItems).put(itemName, new Integer[] {currId, newId});
}
// register
if (isBlock) {
currId =
newData.registerBlock(getMain().iBlockRegistry.getRaw(itemName), itemName, newId);
} else {
currId = newData.registerItem(getMain().iItemRegistry.getRaw(itemName), itemName, newId);
}
if (currId != newId) {
throw new IllegalStateException(
String.format(
"Can't map %s %s to id %d (seen at: %d), already occupied by %s, blocked %b, ItemBlock %b",
isBlock ? "block" : "item",
itemName,
newId,
currId,
isBlock
? newData.iBlockRegistry.getRaw(newId)
: newData.iItemRegistry.getRaw(newId),
newData.blockedIds.contains(newId),
isBlock ? false : (getMain().iItemRegistry.getRaw(currId) instanceof ItemBlock)));
}
}
}
List<String> missedMappings =
Loader.instance()
.fireMissingMappingEvent(
missingBlocks, missingItems, isLocalWorld, newData, remapBlocks, remapItems);
if (!missedMappings.isEmpty()) return missedMappings;
// If we got here - the load was accepted. We'll load generic repositories here.
// Generic registries can fail by returning a missing mapping.
missedMappings = newData.loadGenericRegistries(snapshot, getMain());
if (!missedMappings.isEmpty()) return missedMappings;
if (injectFrozenData) // add blocks + items missing from the map
{
Map<String, Integer> newBlocks =
frozen.iBlockRegistry.getEntriesNotIn(newData.iBlockRegistry);
Map<String, Integer> newItems = frozen.iItemRegistry.getEntriesNotIn(newData.iItemRegistry);
if (!newBlocks.isEmpty() || !newItems.isEmpty()) {
FMLLog.info("Injecting new block and item data into this server instance.");
for (int pass = 0; pass < 2; pass++) {
boolean isBlock = pass == 0;
Map<String, Integer> missing = (pass == 0) ? newBlocks : newItems;
Map<String, Integer[]> remaps = (isBlock ? remapBlocks : remapItems);
for (Entry<String, Integer> entry : missing.entrySet()) {
String itemName = entry.getKey();
int currId = entry.getValue();
int newId;
if (isBlock) {
newId =
newData.registerBlock(frozen.iBlockRegistry.getRaw(itemName), itemName, currId);
} else {
newId = newData.registerItem(frozen.iItemRegistry.getRaw(itemName), itemName, currId);
}
FMLLog.info(
"Injected new block/item %s: %d (init) -> %d (map).", itemName, currId, newId);
if (newId != currId) // a new id was assigned
{
remaps.put(itemName, new Integer[] {entry.getValue(), newId});
}
}
}
}
}
newData.testConsistency();
getMain().set(newData);
getMain().iBlockRegistry.dump();
getMain().iItemRegistry.dump();
Loader.instance().fireRemapEvent(remapBlocks, remapItems);
// The id map changed, ensure we apply object holders
ObjectHolderRegistry.INSTANCE.applyObjectHolders();
return ImmutableList.of();
}
