diff options
Diffstat (limited to 'src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaPotion.java')
| -rw-r--r-- | src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaPotion.java | 260 |
1 files changed, 260 insertions, 0 deletions
diff --git a/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaPotion.java b/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaPotion.java new file mode 100644 index 00000000..fa21f40d --- /dev/null +++ b/src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaPotion.java @@ -0,0 +1,260 @@ +package org.bukkit.craftbukkit.inventory; + +import java.util.ArrayList; +import java.util.Iterator; +import java.util.List; +import java.util.Map; + +import net.minecraft.server.NBTTagCompound; +import net.minecraft.server.NBTTagList; + +import org.apache.commons.lang.Validate; +import org.bukkit.Material; +import org.bukkit.configuration.serialization.DelegateDeserialization; +import org.bukkit.inventory.meta.PotionMeta; +import org.bukkit.potion.PotionEffect; +import org.bukkit.potion.PotionEffectType; +import org.bukkit.craftbukkit.inventory.CraftMetaItem.SerializableMeta; + +import com.google.common.collect.ImmutableList; +import com.google.common.collect.ImmutableMap.Builder; + +@DelegateDeserialization(SerializableMeta.class) +class CraftMetaPotion extends CraftMetaItem implements PotionMeta { + static final ItemMetaKey AMPLIFIER = new ItemMetaKey("Amplifier", "amplifier"); + static final ItemMetaKey AMBIENT = new ItemMetaKey("Ambient", "ambient"); + static final ItemMetaKey DURATION = new ItemMetaKey("Duration", "duration"); + static final ItemMetaKey POTION_EFFECTS = new ItemMetaKey("CustomPotionEffects", "custom-effects"); + static final ItemMetaKey ID = new ItemMetaKey("ID", "potion-id"); + + private List<PotionEffect> customEffects; + + CraftMetaPotion(CraftMetaItem meta) { + super(meta); + if (!(meta instanceof CraftMetaPotion)) { + return; + } + CraftMetaPotion potionMeta = (CraftMetaPotion) meta; + if (potionMeta.hasCustomEffects()) { + this.customEffects = new ArrayList<PotionEffect>(potionMeta.customEffects); + } + } + + CraftMetaPotion(NBTTagCompound tag) { + super(tag); + + if (tag.hasKey(POTION_EFFECTS.NBT)) { + NBTTagList list = tag.getList(POTION_EFFECTS.NBT); + int length = list.size(); + if (length > 0) { + customEffects = new ArrayList<PotionEffect>(length); + + for (int i = 0; i < length; i++) { + NBTTagCompound effect = (NBTTagCompound) list.get(i); + PotionEffectType type = PotionEffectType.getById(effect.getByte(ID.NBT)); + int amp = effect.getByte(AMPLIFIER.NBT); + int duration = effect.getInt(DURATION.NBT); + boolean ambient = effect.getBoolean(AMBIENT.NBT); + customEffects.add(new PotionEffect(type, duration, amp, ambient)); + } + } + } + } + + CraftMetaPotion(Map<String, Object> map) { + super(map); + + List<?> rawEffectList = SerializableMeta.getObject(List.class, map, POTION_EFFECTS.BUKKIT, true); + if (rawEffectList == null) { + return; + } + + for (Object obj : rawEffectList) { + if (!(obj instanceof PotionEffect)) { + throw new IllegalArgumentException("Object in effect list is not valid. " + obj.getClass()); + } + addCustomEffect((PotionEffect) obj, true); + } + } + + @Override + void applyToItem(NBTTagCompound tag) { + super.applyToItem(tag); + if (hasCustomEffects()) { + NBTTagList effectList = new NBTTagList(); + tag.set(POTION_EFFECTS.NBT, effectList); + + for (PotionEffect effect : customEffects) { + NBTTagCompound effectData = new NBTTagCompound(); + effectData.setByte(ID.NBT, (byte) effect.getType().getId()); + effectData.setByte(AMPLIFIER.NBT, (byte) effect.getAmplifier()); + effectData.setInt(DURATION.NBT, effect.getDuration()); + effectData.setBoolean(AMBIENT.NBT, effect.isAmbient()); + effectList.add(effectData); + } + } + } + + @Override + boolean isEmpty() { + return super.isEmpty() && isPotionEmpty(); + } + + boolean isPotionEmpty() { + return !(hasCustomEffects()); + } + + @Override + boolean applicableTo(Material type) { + switch(type) { + case POTION: + return true; + default: + return false; + } + } + + @Override + public CraftMetaPotion clone() { + CraftMetaPotion clone = (CraftMetaPotion) super.clone(); + if (hasCustomEffects()) { + clone.customEffects = new ArrayList<PotionEffect>(customEffects); + } + return clone; + } + + public boolean hasCustomEffects() { + return !(customEffects == null || customEffects.isEmpty()); + } + + public List<PotionEffect> getCustomEffects() { + if (hasCustomEffects()) { + return ImmutableList.copyOf(customEffects); + } + return ImmutableList.of(); + } + + public boolean addCustomEffect(PotionEffect effect, boolean overwrite) { + Validate.notNull(effect, "Potion effect must not be null"); + + int index = indexOfEffect(effect.getType()); + if (index != -1) { + if (overwrite) { + PotionEffect old = customEffects.get(index); + if (old.getAmplifier() == effect.getAmplifier() && old.getDuration() == effect.getDuration() && old.isAmbient() == effect.isAmbient()) { + return false; + } + customEffects.set(index, effect); + return true; + } else { + return false; + } + } else { + if (customEffects == null) { + customEffects = new ArrayList<PotionEffect>(); + } + customEffects.add(effect); + return true; + } + } + + public boolean removeCustomEffect(PotionEffectType type) { + Validate.notNull(type, "Potion effect type must not be null"); + + if (!hasCustomEffects()) { + return false; + } + + boolean changed = false; + Iterator<PotionEffect> iterator = customEffects.iterator(); + while (iterator.hasNext()) { + PotionEffect effect = iterator.next(); + if (effect.getType() == type) { + iterator.remove(); + changed = true; + } + } + return changed; + } + + public boolean hasCustomEffect(PotionEffectType type) { + Validate.notNull(type, "Potion effect type must not be null"); + return indexOfEffect(type) != -1; + } + + public boolean setMainEffect(PotionEffectType type) { + Validate.notNull(type, "Potion effect type must not be null"); + int index = indexOfEffect(type); + if (index == -1 || index == 0) { + return false; + } + + PotionEffect old = customEffects.get(0); + customEffects.set(0, customEffects.get(index)); + customEffects.set(index, old); + return true; + } + + private int indexOfEffect(PotionEffectType type) { + if (!hasCustomEffects()) { + return -1; + } + + for (int i = 0; i < customEffects.size(); i++) { + if (customEffects.get(i).getType().equals(type)) { + return i; + } + } + return -1; + } + + public boolean clearCustomEffects() { + boolean changed = hasCustomEffects(); + customEffects = null; + return changed; + } + + @Override + int applyHash() { + final int original; + int hash = original = super.applyHash(); + if (hasCustomEffects()) { + hash = 73 * hash + customEffects.hashCode(); + } + return original != hash ? CraftMetaPotion.class.hashCode() ^ hash : hash; + } + + @Override + public boolean equalsCommon(CraftMetaItem meta) { + if (!super.equalsCommon(meta)) { + return false; + } + if (meta instanceof CraftMetaPotion) { + CraftMetaPotion that = (CraftMetaPotion) meta; + + return (this.hasCustomEffects() ? that.hasCustomEffects() && this.customEffects.equals(that.customEffects) : !that.hasCustomEffects()); + } + return true; + } + + @Override + boolean notUncommon(CraftMetaItem meta) { + return super.notUncommon(meta) && (meta instanceof CraftMetaPotion || isPotionEmpty()); + } + + @Override + Builder<String, Object> serialize(Builder<String, Object> builder) { + super.serialize(builder); + + if (hasCustomEffects()) { + builder.put(POTION_EFFECTS.BUKKIT, ImmutableList.copyOf(this.customEffects)); + } + + return builder; + } + + @Override + SerializableMeta.Deserializers deserializer() { + return SerializableMeta.Deserializers.POTION; + } +} |