510 lines
19 KiB
Java
510 lines
19 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 java.util.ArrayList;
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import java.util.List;
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import java.util.ListIterator;
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import org.bukkit.World;
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import org.bukkit.Chunk;
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import org.bukkit.block.Biome;
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import org.bukkit.entity.Entity;
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import org.bukkit.ChunkSnapshot;
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import org.dynmap.DynmapChunk;
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import org.dynmap.DynmapPlugin;
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import org.dynmap.DynmapWorld;
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import org.dynmap.Log;
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import org.dynmap.MapManager;
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/**
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* Container for managing chunks - dependent upon using chunk snapshots, since rendering is off server thread
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*/
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public class NewMapChunkCache implements MapChunkCache {
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private static boolean init = false;
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private static Method poppreservedchunk = null;
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private static Method getsnapshot2 = null;
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private static Method getemptysnapshot = null;
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private World w;
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private List<DynmapChunk> chunks;
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private ListIterator<DynmapChunk> iterator;
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private int x_min, x_max, z_min, z_max;
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private int x_dim;
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private boolean biome, biomeraw, highesty, blockdata;
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private HiddenChunkStyle hidestyle = HiddenChunkStyle.FILL_AIR;
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private List<VisibilityLimit> visible_limits = null;
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private DynmapWorld.AutoGenerateOption generateopt;
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private boolean do_generate = false;
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private boolean do_save = false;
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private boolean isempty = true;
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private ChunkSnapshot[] snaparray; /* Index = (x-x_min) + ((z-z_min)*x_dim) */
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/**
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* Iterator for traversing map chunk cache (base is for non-snapshot)
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*/
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public class OurMapIterator implements MapIterator {
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private int x, y, z;
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private ChunkSnapshot snap;
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OurMapIterator(int x0, int y0, int z0) {
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initialize(x0, y0, z0);
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}
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public final void initialize(int x0, int y0, int z0) {
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this.x = x0;
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this.y = y0;
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this.z = z0;
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try {
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snap = snaparray[((x>>4) - x_min) + ((z>>4) - z_min) * x_dim];
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} catch (ArrayIndexOutOfBoundsException aioobx) {
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snap = EMPTY;
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}
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}
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public final int getBlockTypeID() {
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return snap.getBlockTypeId(x & 0xF, y, z & 0xF);
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}
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public final int getBlockData() {
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return snap.getBlockData(x & 0xF, y, z & 0xF);
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}
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public final int getHighestBlockYAt() {
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return snap.getHighestBlockYAt(x & 0xF, z & 0xF);
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}
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public final int getBlockSkyLight() {
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return snap.getBlockSkyLight(x & 0xF, y, z & 0xF);
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}
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public final int getBlockEmittedLight() {
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return snap.getBlockEmittedLight(x & 0xF, y, z & 0xF);
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}
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public Biome getBiome() {
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return snap.getBiome(x & 0xF, z & 0xF);
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}
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public double getRawBiomeTemperature() {
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return snap.getRawBiomeTemperature(x & 0xf, z & 0xf);
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}
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public double getRawBiomeRainfall() {
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return snap.getRawBiomeRainfall(x & 0xf, z & 0xf);
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}
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public final void incrementX() {
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x++;
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if((x & 0xF) == 0) { /* Next chunk? */
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try {
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snap = snaparray[((x>>4) - x_min) + ((z>>4) - z_min) * x_dim];
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} catch (ArrayIndexOutOfBoundsException aioobx) {
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snap = EMPTY;
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}
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}
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}
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public final void decrementX() {
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x--;
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if((x & 0xF) == 15) { /* Next chunk? */
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try {
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snap = snaparray[((x>>4) - x_min) + ((z>>4) - z_min) * x_dim];
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} catch (ArrayIndexOutOfBoundsException aioobx) {
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snap = EMPTY;
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}
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}
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}
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public final void incrementY() {
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y++;
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}
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public final void decrementY() {
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y--;
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}
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public final void incrementZ() {
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z++;
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if((z & 0xF) == 0) { /* Next chunk? */
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try {
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snap = snaparray[((x>>4) - x_min) + ((z>>4) - z_min) * x_dim];
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} catch (ArrayIndexOutOfBoundsException aioobx) {
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snap = EMPTY;
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}
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}
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}
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public final void decrementZ() {
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z--;
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if((z & 0xF) == 15) { /* Next chunk? */
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try {
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snap = snaparray[((x>>4) - x_min) + ((z>>4) - z_min) * x_dim];
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} catch (ArrayIndexOutOfBoundsException aioobx) {
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snap = EMPTY;
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}
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}
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}
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public final void setY(int y) {
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this.y = y;
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}
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public final int getY() {
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return y;
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}
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}
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/**
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* Chunk cache for representing unloaded chunk (or air)
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*/
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private static class EmptyChunk implements ChunkSnapshot {
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/* Need these for interface, but not used */
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public int getX() { return 0; }
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public int getZ() { return 0; }
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public String getWorldName() { return ""; }
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public long getCaptureFullTime() { return 0; }
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public final int getBlockTypeId(int x, int y, int z) {
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return 0;
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}
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public final int getBlockData(int x, int y, int z) {
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return 0;
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}
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public final int getBlockSkyLight(int x, int y, int z) {
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return 15;
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}
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public final int getBlockEmittedLight(int x, int y, int z) {
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return 0;
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}
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public final int getHighestBlockYAt(int x, int z) {
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return 0;
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}
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public Biome getBiome(int x, int z) {
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return null;
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}
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public double getRawBiomeTemperature(int x, int z) {
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return 0.0;
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}
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public double getRawBiomeRainfall(int x, int z) {
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return 0.0;
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}
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}
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/**
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* Chunk cache for representing generic stone chunk
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*/
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private static class PlainChunk implements ChunkSnapshot {
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private int fillid;
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PlainChunk(int fillid) { this.fillid = fillid; }
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/* Need these for interface, but not used */
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public int getX() { return 0; }
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public int getZ() { return 0; }
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public String getWorldName() { return ""; }
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public Biome getBiome(int x, int z) { return null; }
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public double getRawBiomeTemperature(int x, int z) { return 0.0; }
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public double getRawBiomeRainfall(int x, int z) { return 0.0; }
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public long getCaptureFullTime() { return 0; }
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public final int getBlockTypeId(int x, int y, int z) {
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if(y < 64) return fillid;
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return 0;
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}
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public final int getBlockData(int x, int y, int z) {
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return 0;
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}
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public final int getBlockSkyLight(int x, int y, int z) {
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if(y < 64)
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return 0;
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return 15;
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}
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public final int getBlockEmittedLight(int x, int y, int z) {
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return 0;
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}
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public final int getHighestBlockYAt(int x, int z) {
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return 64;
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}
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}
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private static final EmptyChunk EMPTY = new EmptyChunk();
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private static final PlainChunk STONE = new PlainChunk(1);
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private static final PlainChunk OCEAN = new PlainChunk(9);
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/**
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* Construct empty cache
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*/
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@SuppressWarnings({ "rawtypes", "unchecked" })
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public NewMapChunkCache() {
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if(!init) {
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/* Get CraftWorld.popPreservedChunk(x,z) - reduces memory bloat from map traversals (optional) */
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try {
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Class c = Class.forName("org.bukkit.craftbukkit.CraftWorld");
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poppreservedchunk = c.getDeclaredMethod("popPreservedChunk", new Class[] { int.class, int.class });
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/* getEmptyChunkSnapshot(int x, int z, boolean includeBiome, boolean includeBiomeTempRain) */
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getemptysnapshot = c.getDeclaredMethod("getEmptyChunkSnapshot", new Class[] { int.class, int.class,
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boolean.class, boolean.class });
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} catch (ClassNotFoundException cnfx) {
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} catch (NoSuchMethodException nsmx) {
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}
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/* Get CraftChunk.getChunkSnapshot(boolean,boolean,boolean) */
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try {
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Class c = Class.forName("org.bukkit.craftbukkit.CraftChunk");
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getsnapshot2 = c.getDeclaredMethod("getChunkSnapshot", new Class[] { boolean.class, boolean.class, boolean.class });
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} catch (ClassNotFoundException cnfx) {
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} catch (NoSuchMethodException nsmx) {
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}
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if(getsnapshot2 != null)
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Log.info("Biome data support is enabled");
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else
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Log.info("Biome data support is disabled");
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init = true;
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}
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}
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@SuppressWarnings({ "unchecked", "rawtypes" })
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public void setChunks(World w, List<DynmapChunk> chunks) {
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this.w = w;
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this.chunks = chunks;
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if(poppreservedchunk == null) {
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/* Get CraftWorld.popPreservedChunk(x,z) - reduces memory bloat from map traversals (optional) */
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try {
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Class c = Class.forName("org.bukkit.craftbukkit.CraftWorld");
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poppreservedchunk = c.getDeclaredMethod("popPreservedChunk", new 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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}
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/* Compute range */
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if(chunks.size() == 0) {
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this.x_min = 0;
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this.x_max = 0;
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this.z_min = 0;
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this.z_max = 0;
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x_dim = 1;
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}
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else {
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x_min = x_max = chunks.get(0).x;
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z_min = z_max = chunks.get(0).z;
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for(DynmapChunk c : chunks) {
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if(c.x > x_max)
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x_max = c.x;
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if(c.x < x_min)
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x_min = c.x;
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if(c.z > z_max)
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z_max = c.z;
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if(c.z < z_min)
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z_min = c.z;
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}
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x_dim = x_max - x_min + 1;
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}
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snaparray = new ChunkSnapshot[x_dim * (z_max-z_min+1)];
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}
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public int loadChunks(int max_to_load) {
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int cnt = 0;
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if(iterator == null)
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iterator = chunks.listIterator();
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DynmapPlugin.setIgnoreChunkLoads(true);
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// Load the required chunks.
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while((cnt < max_to_load) && iterator.hasNext()) {
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DynmapChunk chunk = iterator.next();
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boolean vis = true;
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if(visible_limits != null) {
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vis = false;
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for(VisibilityLimit limit : visible_limits) {
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if((chunk.x >= limit.x0) && (chunk.x <= limit.x1) && (chunk.z >= limit.z0) && (chunk.z <= limit.z1)) {
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vis = true;
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break;
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}
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}
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}
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boolean wasLoaded = w.isChunkLoaded(chunk.x, chunk.z);
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boolean didload = w.loadChunk(chunk.x, chunk.z, false);
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boolean didgenerate = false;
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/* If we didn't load, and we're supposed to generate, do it */
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if((!didload) && do_generate && vis)
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didgenerate = didload = w.loadChunk(chunk.x, chunk.z, true);
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/* If it did load, make cache of it */
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if(didload) {
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ChunkSnapshot ss = null;
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if(!vis) {
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if(hidestyle == HiddenChunkStyle.FILL_STONE_PLAIN)
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ss = STONE;
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else if(hidestyle == HiddenChunkStyle.FILL_OCEAN)
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ss = OCEAN;
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else
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ss = EMPTY;
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}
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else {
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Chunk c = w.getChunkAt(chunk.x, chunk.z);
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if(getsnapshot2 != null) {
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try {
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if(blockdata || highesty)
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ss = (ChunkSnapshot)getsnapshot2.invoke(c, highesty, biome, biomeraw);
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else
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ss = (ChunkSnapshot)getemptysnapshot.invoke(w, chunk.x, chunk.z, biome, biomeraw);
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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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}
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else
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ss = c.getChunkSnapshot();
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}
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snaparray[(chunk.x-x_min) + (chunk.z - z_min)*x_dim] = ss;
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}
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if ((!wasLoaded) && didload) {
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/* It looks like bukkit "leaks" entities - they don't get removed from the world-level table
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* when chunks are unloaded but not saved - removing them seems to do the trick */
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if(!didgenerate) {
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Chunk cc = w.getChunkAt(chunk.x, chunk.z);
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if(cc != null) {
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for(Entity e: cc.getEntities())
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e.remove();
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}
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}
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/* Since we only remember ones we loaded, and we're synchronous, no player has
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* moved, so it must be safe (also prevent chunk leak, which appears to happen
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* because isChunkInUse defined "in use" as being within 256 blocks of a player,
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* while the actual in-use chunk area for a player where the chunks are managed
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* by the MC base server is 21x21 (or about a 160 block radius).
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* Also, if we did generate it, need to save it */
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w.unloadChunk(chunk.x, chunk.z, didgenerate && do_save, false);
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/* And pop preserved chunk - this is a bad leak in Bukkit for map traversals like us */
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try {
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if(poppreservedchunk != null)
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poppreservedchunk.invoke(w, chunk.x, chunk.z);
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} catch (Exception x) {
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Log.severe("Cannot pop preserved chunk - " + x.toString());
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}
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}
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cnt++;
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}
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DynmapPlugin.setIgnoreChunkLoads(false);
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if(iterator.hasNext() == false) { /* If we're done */
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isempty = true;
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/* Fill missing chunks with empty dummy chunk */
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for(int i = 0; i < snaparray.length; i++) {
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if(snaparray[i] == null)
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snaparray[i] = EMPTY;
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else if(snaparray[i] != EMPTY)
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isempty = false;
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}
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}
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return cnt;
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}
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/**
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* Test if done loading
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*/
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public boolean isDoneLoading() {
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if(iterator != null)
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return !iterator.hasNext();
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return false;
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}
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/**
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* Test if all empty blocks
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*/
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public boolean isEmpty() {
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return isempty;
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}
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/**
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* Unload chunks
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*/
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public void unloadChunks() {
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if(snaparray != null) {
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for(int i = 0; i < snaparray.length; i++) {
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snaparray[i] = null;
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}
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snaparray = null;
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}
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}
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/**
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* Get block ID at coordinates
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*/
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public int getBlockTypeID(int x, int y, int z) {
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ChunkSnapshot ss = snaparray[((x>>4) - x_min) + ((z>>4) - z_min) * x_dim];
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return ss.getBlockTypeId(x & 0xF, y, z & 0xF);
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}
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/**
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* Get block data at coordiates
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*/
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public byte getBlockData(int x, int y, int z) {
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ChunkSnapshot ss = snaparray[((x>>4) - x_min) + ((z>>4) - z_min) * x_dim];
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return (byte)ss.getBlockData(x & 0xF, y, z & 0xF);
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}
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/* Get highest block Y
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*
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*/
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public int getHighestBlockYAt(int x, int z) {
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ChunkSnapshot ss = snaparray[((x>>4) - x_min) + ((z>>4) - z_min) * x_dim];
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return ss.getHighestBlockYAt(x & 0xF, z & 0xF);
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}
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/* Get sky light level
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*/
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public int getBlockSkyLight(int x, int y, int z) {
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ChunkSnapshot ss = snaparray[((x>>4) - x_min) + ((z>>4) - z_min) * x_dim];
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return ss.getBlockSkyLight(x & 0xF, y, z & 0xF);
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}
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/* Get emitted light level
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*/
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public int getBlockEmittedLight(int x, int y, int z) {
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ChunkSnapshot ss = snaparray[((x>>4) - x_min) + ((z>>4) - z_min) * x_dim];
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return ss.getBlockEmittedLight(x & 0xF, y, z & 0xF);
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}
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public Biome getBiome(int x, int z) {
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ChunkSnapshot ss = snaparray[((x>>4) - x_min) + ((z>>4) - z_min) * x_dim];
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return ss.getBiome(x & 0xF, z & 0xF);
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}
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public double getRawBiomeTemperature(int x, int z) {
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ChunkSnapshot ss = snaparray[((x>>4) - x_min) + ((z>>4) - z_min) * x_dim];
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return ss.getRawBiomeTemperature(x & 0xF, z & 0xF);
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}
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public double getRawBiomeRainfall(int x, int z) {
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ChunkSnapshot ss = snaparray[((x>>4) - x_min) + ((z>>4) - z_min) * x_dim];
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return ss.getRawBiomeRainfall(x & 0xF, z & 0xF);
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}
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/**
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* Get cache iterator
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*/
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public MapIterator getIterator(int x, int y, int z) {
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return new OurMapIterator(x, y, z);
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}
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/**
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* Set hidden chunk style (default is FILL_AIR)
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*/
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public void setHiddenFillStyle(HiddenChunkStyle style) {
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this.hidestyle = style;
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}
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/**
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* Set autogenerate - must be done after at least one visible range has been set
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*/
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public void setAutoGenerateVisbileRanges(DynmapWorld.AutoGenerateOption generateopt) {
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if((generateopt != DynmapWorld.AutoGenerateOption.NONE) && ((visible_limits == null) || (visible_limits.size() == 0))) {
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Log.severe("Cannot setAutoGenerateVisibleRanges() without visible ranges defined");
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return;
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}
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this.generateopt = generateopt;
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this.do_generate = (generateopt != DynmapWorld.AutoGenerateOption.NONE);
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this.do_save = (generateopt == DynmapWorld.AutoGenerateOption.PERMANENT);
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}
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/**
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* Add visible area limit - can be called more than once
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* Needs to be set before chunks are loaded
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* Coordinates are block coordinates
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*/
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public void setVisibleRange(VisibilityLimit lim) {
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VisibilityLimit limit = new VisibilityLimit();
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if(lim.x0 > lim.x1) {
|
|
limit.x0 = (lim.x1 >> 4); limit.x1 = ((lim.x0+15) >> 4);
|
|
}
|
|
else {
|
|
limit.x0 = (lim.x0 >> 4); limit.x1 = ((lim.x1+15) >> 4);
|
|
}
|
|
if(lim.z0 > lim.z1) {
|
|
limit.z0 = (lim.z1 >> 4); limit.z1 = ((lim.z0+15) >> 4);
|
|
}
|
|
else {
|
|
limit.z0 = (lim.z0 >> 4); limit.z1 = ((lim.z1+15) >> 4);
|
|
}
|
|
if(visible_limits == null)
|
|
visible_limits = new ArrayList<VisibilityLimit>();
|
|
visible_limits.add(limit);
|
|
}
|
|
@Override
|
|
public boolean setChunkDataTypes(boolean blockdata, boolean biome, boolean highestblocky, boolean rawbiome) {
|
|
if((getsnapshot2 == null) && (biome || rawbiome))
|
|
return false;
|
|
this.biome = biome;
|
|
this.biomeraw = rawbiome;
|
|
this.highesty = highestblocky;
|
|
this.blockdata = blockdata;
|
|
return true;
|
|
}
|
|
}
|