/**
* Copyright (c) 2011-2014, SpaceToad and the BuildCraft Team
* http://www.mod-buildcraft.com
*
* BuildCraft is distributed under the terms of the Minecraft Mod Public
* License 1.0, or MMPL. Please check the contents of the license located in
* http://www.mod-buildcraft.com/MMPL-1.0.txt
*/
package buildcraft.api.blueprints;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.logging.Level;
import net.minecraft.block.Block;
import net.minecraft.entity.Entity;
import net.minecraft.item.Item;
import net.minecraft.nbt.NBTTagByte;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.nbt.NBTTagList;
import net.minecraft.nbt.NBTTagShort;
import net.minecraftforge.common.util.Constants;
import buildcraft.api.core.BCLog;
public class MappingRegistry {
public HashMap<Block, Integer> blockToId = new HashMap<Block, Integer>();
public ArrayList<Block> idToBlock = new ArrayList<Block>();
public HashMap<Item, Integer> itemToId = new HashMap<Item, Integer>();
public ArrayList<Item> idToItem = new ArrayList<Item>();
public HashMap<Class<? extends Entity>, Integer> entityToId = new HashMap<Class<? extends Entity>, Integer>();
public ArrayList<Class<? extends Entity>> idToEntity = new ArrayList<Class<? extends Entity>>();
private void registerItem (Item item) {
if (!itemToId.containsKey(item)) {
idToItem.add(item);
itemToId.put(item, idToItem.size() - 1);
}
}
private void registerBlock (Block block) {
if (!blockToId.containsKey(block)) {
idToBlock.add(block);
blockToId.put(block, idToBlock.size() - 1);
}
}
private void registerEntity(Class<? extends Entity> entityClass) {
if (!entityToId.containsKey(entityClass)) {
idToEntity.add(entityClass);
entityToId.put(entityClass, idToEntity.size() - 1);
}
}
public Item getItemForId(int id) throws MappingNotFoundException {
if (id >= idToItem.size()) {
throw new MappingNotFoundException("no item mapping at position " + id);
}
Item result = idToItem.get(id);
if (result == null) {
throw new MappingNotFoundException("no item mapping at position " + id);
} else {
return result;
}
}
public int getIdForItem(Item item) {
if (!itemToId.containsKey(item)) {
registerItem(item);
}
return itemToId.get(item);
}
public int itemIdToRegistry(int id) {
Item item = Item.getItemById(id);
return getIdForItem(item);
}
public int itemIdToWorld(int id) throws MappingNotFoundException {
Item item = getItemForId(id);
return Item.getIdFromItem(item);
}
public Block getBlockForId(int id) throws MappingNotFoundException {
if (id >= idToBlock.size()) {
throw new MappingNotFoundException("no block mapping at position " + id);
}
Block result = idToBlock.get(id);
if (result == null) {
throw new MappingNotFoundException("no block mapping at position " + id);
} else {
return result;
}
}
public int getIdForBlock(Block block) {
if (!blockToId.containsKey(block)) {
registerBlock (block);
}
return blockToId.get(block);
}
public int blockIdToRegistry(int id) {
Block block = Block.getBlockById(id);
return getIdForBlock(block);
}
public int blockIdToWorld(int id) throws MappingNotFoundException {
Block block = getBlockForId(id);
return Block.getIdFromBlock(block);
}
public Class<? extends Entity> getEntityForId(int id) throws MappingNotFoundException {
if (id >= idToEntity.size()) {
throw new MappingNotFoundException("no entity mapping at position " + id);
}
Class<? extends Entity> result = idToEntity.get(id);
if (result == null) {
throw new MappingNotFoundException("no entity mapping at position " + id);
} else {
return result;
}
}
public int getIdForEntity(Class<? extends Entity> entity) {
if (!entityToId.containsKey(entity)) {
registerEntity (entity);
}
return entityToId.get(entity);
}
/**
* Relocates a stack nbt from the world referential to the registry
* referential.
*/
public void stackToRegistry(NBTTagCompound nbt) {
Item item = Item.getItemById(nbt.getShort("id"));
nbt.setShort("id", (short) getIdForItem(item));
}
/**
* Relocates a stack nbt from the registry referential to the world
* referential.
*/
public void stackToWorld(NBTTagCompound nbt) throws MappingNotFoundException {
Item item = getItemForId(nbt.getShort("id"));
nbt.setShort("id", (short) Item.getIdFromItem(item));
}
private boolean isStackLayout(NBTTagCompound nbt) {
return nbt.hasKey("id") &&
nbt.hasKey("Count") &&
nbt.hasKey("Damage") &&
nbt.getTag("id") instanceof NBTTagShort &&
nbt.getTag("Count") instanceof NBTTagByte &&
nbt.getTag("Damage") instanceof NBTTagShort;
}
public void scanAndTranslateStacksToRegistry(NBTTagCompound nbt) {
// First, check if this nbt is itself a stack
if (isStackLayout(nbt)) {
stackToRegistry(nbt);
}
// Then, look at the nbt compound contained in this nbt (even if it's a
// stack) and checks for stacks in it.
for (Object keyO : nbt.func_150296_c()) {
String key = (String) keyO;
if (nbt.getTag(key) instanceof NBTTagCompound) {
scanAndTranslateStacksToRegistry(nbt.getCompoundTag(key));
}
if (nbt.getTag(key) instanceof NBTTagList) {
NBTTagList list = (NBTTagList) nbt.getTag(key);
if (list.func_150303_d() == Constants.NBT.TAG_COMPOUND) {
for (int i = 0; i < list.tagCount(); ++i) {
scanAndTranslateStacksToRegistry(list.getCompoundTagAt(i));
}
}
}
}
}
public void scanAndTranslateStacksToWorld(NBTTagCompound nbt) throws MappingNotFoundException {
// First, check if this nbt is itself a stack
if (isStackLayout(nbt)) {
stackToWorld(nbt);
}
// Then, look at the nbt compound contained in this nbt (even if it's a
// stack) and checks for stacks in it.
for (Object keyO : nbt.func_150296_c()) {
String key = (String) keyO;
if (nbt.getTag(key) instanceof NBTTagCompound) {
try {
scanAndTranslateStacksToWorld(nbt.getCompoundTag(key));
} catch (MappingNotFoundException e) {
nbt.removeTag(key);
}
}
if (nbt.getTag(key) instanceof NBTTagList) {
NBTTagList list = (NBTTagList) nbt.getTag(key);
if (list.func_150303_d() == Constants.NBT.TAG_COMPOUND) {
for (int i = list.tagCount() - 1; i >= 0; --i) {
try {
scanAndTranslateStacksToWorld(list.getCompoundTagAt(i));
} catch (MappingNotFoundException e) {
list.removeTag(i);
}
}
}
}
}
}
public void write (NBTTagCompound nbt) {
NBTTagList blocksMapping = new NBTTagList();
for (Block b : idToBlock) {
NBTTagCompound sub = new NBTTagCompound();
sub.setString("name",
Block.blockRegistry.getNameForObject(b));
blocksMapping.appendTag(sub);
}
nbt.setTag("blocksMapping", blocksMapping);
NBTTagList itemsMapping = new NBTTagList();
for (Item i : idToItem) {
NBTTagCompound sub = new NBTTagCompound();
sub.setString("name",
Item.itemRegistry.getNameForObject(i));
itemsMapping.appendTag(sub);
}
nbt.setTag("itemsMapping", itemsMapping);
NBTTagList entitiesMapping = new NBTTagList();
for (Class<? extends Entity> e : idToEntity) {
NBTTagCompound sub = new NBTTagCompound();
sub.setString("name", e.getCanonicalName());
entitiesMapping.appendTag(sub);
}
nbt.setTag("entitiesMapping", entitiesMapping);
}
public void read (NBTTagCompound nbt) {
NBTTagList blocksMapping = nbt.getTagList("blocksMapping",
Constants.NBT.TAG_COMPOUND);
for (int i = 0; i < blocksMapping.tagCount(); ++i) {
NBTTagCompound sub = blocksMapping.getCompoundTagAt(i);
String name = sub.getString("name");
Block b = (Block) Block.blockRegistry.getObject(name);
if (b != null) {
registerBlock(b);
} else {
// Keeping the order correct
idToBlock.add(null);
BCLog.logger.log(Level.WARNING, "Can't load block " + name);
}
}
NBTTagList itemsMapping = nbt.getTagList("itemsMapping",
Constants.NBT.TAG_COMPOUND);
for (int i = 0; i < itemsMapping.tagCount(); ++i) {
NBTTagCompound sub = itemsMapping.getCompoundTagAt(i);
String name = sub.getString("name");
Item item = (Item) Item.itemRegistry.getObject(name);
if (item != null) {
registerItem(item);
} else {
// Keeping the order correct
idToItem.add(null);
BCLog.logger.log(Level.WARNING, "Can't load item " + name);
}
}
NBTTagList entitiesMapping = nbt.getTagList("entitiesMapping",
Constants.NBT.TAG_COMPOUND);
for (int i = 0; i < entitiesMapping.tagCount(); ++i) {
NBTTagCompound sub = entitiesMapping.getCompoundTagAt(i);
String name = sub.getString("name");
Class<? extends Entity> e = null;
try {
e = (Class<? extends Entity>) Class.forName(name);
} catch (ClassNotFoundException e1) {
e1.printStackTrace();
}
if (e != null) {
registerEntity(e);
} else {
// Keeping the order correct
idToEntity.add(null);
BCLog.logger.log(Level.WARNING, "Can't load entity " + name);
}
}
}
}