Essentials/providers/BaseProviders/src/main/java/net/ess3/provider/providers/BasePotionDataProvider.java

72 lines
2.4 KiB
Java

package net.ess3.provider.providers;
import com.google.common.collect.ImmutableMap;
import net.ess3.provider.PotionMetaProvider;
import org.bukkit.Material;
import org.bukkit.inventory.ItemStack;
import org.bukkit.inventory.meta.PotionMeta;
import org.bukkit.potion.PotionData;
import org.bukkit.potion.PotionType;
import java.util.Map;
public class BasePotionDataProvider implements PotionMetaProvider {
private static final Map<Integer, PotionType> damageValueToType = ImmutableMap.<Integer, PotionType>builder()
.put(1, PotionType.REGEN)
.put(2, PotionType.SPEED)
.put(3, PotionType.FIRE_RESISTANCE)
.put(4, PotionType.POISON)
.put(5, PotionType.INSTANT_HEAL)
.put(6, PotionType.NIGHT_VISION)
// Skip 7
.put(8, PotionType.WEAKNESS)
.put(9, PotionType.STRENGTH)
.put(10, PotionType.SLOWNESS)
.put(11, PotionType.JUMP)
.put(12, PotionType.INSTANT_DAMAGE)
.put(13, PotionType.WATER_BREATHING)
.put(14, PotionType.INVISIBILITY)
.build();
private static int getBit(final int n, final int k) {
return (n >> k) & 1;
}
@Override
public ItemStack createPotionItem(final Material initial, final int effectId) {
ItemStack potion = new ItemStack(initial, 1);
if (effectId == 0) {
return potion;
}
final int damageValue = getBit(effectId, 0) +
2 * getBit(effectId, 1) +
4 * getBit(effectId, 2) +
8 * getBit(effectId, 3);
final PotionType type = damageValueToType.get(damageValue);
if (type == null) {
throw new IllegalArgumentException("Unable to process potion effect ID " + effectId + " with damage value " + damageValue);
}
//getBit is splash here
if (getBit(effectId, 14) == 1 && initial == Material.POTION) {
potion = new ItemStack(Material.SPLASH_POTION, 1);
}
final PotionMeta meta = (PotionMeta) potion.getItemMeta();
//getBit(s) are extended and upgraded respectfully
final PotionData data = new PotionData(type, getBit(effectId, 6) == 1, getBit(effectId, 5) == 1);
meta.setBasePotionData(data); // this method is exclusive to recent 1.9+
potion.setItemMeta(meta);
return potion;
}
@Override
public String getDescription() {
return "1.9+ Potion Meta Provider";
}
}