80 lines
2.7 KiB
Java
80 lines
2.7 KiB
Java
package org.dynmap.utils;
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import java.lang.reflect.InvocationTargetException;
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import java.lang.reflect.Method;
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import org.bukkit.block.Block;
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import org.dynmap.Log;
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/**
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* Wrapper for accessing raw light levels for given block
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*/
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public class BlockLightLevel {
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private Method gethandle;
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private Method getrawlight;
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private Object enum_sky;
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private Object enum_block;
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private boolean ready;
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@SuppressWarnings({ "unchecked", "rawtypes" })
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public BlockLightLevel() {
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/* Get CraftChunk.getChunkSnapshot(boolean,boolean,boolean) and CraftChunk.getHandle() */
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try {
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Class c = Class.forName("org.bukkit.craftbukkit.CraftChunk");
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gethandle = c.getDeclaredMethod("getHandle", new Class[0]);
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Class enumskyblock = Class.forName("net.minecraft.server.EnumSkyBlock");
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Object[] enumvals = enumskyblock.getEnumConstants();
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for(int i = 0; i < enumvals.length; i++) {
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String ev = enumvals[i].toString();
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if(ev.equals("Sky")) {
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enum_sky = enumvals[i];
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}
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else if(ev.equals("Block")) {
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enum_block = enumvals[i];
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}
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}
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Class cc = Class.forName("net.minecraft.server.Chunk");
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getrawlight = cc.getDeclaredMethod("a", new Class[] { enumskyblock, int.class, int.class, int.class });
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} catch (ClassNotFoundException cnfx) {
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} catch (NoSuchMethodException nsmx) {
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}
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if((gethandle != null) && (enum_sky != null) && (enum_block != null) && (getrawlight != null)) {
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ready = true;
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}
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else {
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Log.warning("Block raw light level API not available");
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}
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}
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public boolean isReady() {
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return ready;
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}
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public int getSkyLightLevel(Block b) {
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try {
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Object hand = gethandle.invoke(b.getChunk());
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if(hand != null) {
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Integer v = (Integer)getrawlight.invoke(hand, enum_sky, b.getX() & 0xF, b.getY() & 0x7F, b.getZ() & 0xF);
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return v;
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}
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} catch (InvocationTargetException itx) {
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} catch (IllegalArgumentException e) {
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} catch (IllegalAccessException e) {
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}
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return -1;
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}
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public int getBlockLightLevel(Block b) {
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try {
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Object hand = gethandle.invoke(b.getChunk());
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if(hand != null) {
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Integer v = (Integer)getrawlight.invoke(hand, enum_block, b.getX() & 0xF, b.getY() & 0x7F, b.getZ() & 0xF);
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return v;
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}
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} catch (InvocationTargetException itx) {
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} catch (IllegalArgumentException e) {
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} catch (IllegalAccessException e) {
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}
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return -1;
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}
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}
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