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Merge pull request #156 from mikeprimm/master

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Implement chunk snapshotting approach to drop memory use and CPU use significantly, add shadows option (via shadowstrength) on defaulttilerender, add fix for nicknamed players' skins
This commit is contained in:
mikeprimm 2011-05-20 23:03:35 -07:00
commit cb010802db
13 changed files with 540 additions and 179 deletions
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2
configuration.txt
View File

@ -59,6 +59,8 @@ worlds:
prefix: t
maximumheight: 127
colorscheme: default
# Add shadows to world (based on top-down shadows from chunk data)
# shadowstrength: 1.0
#- class: org.dynmap.kzedmap.HighlightTileRenderer
# prefix: ht
# maximumheight: 127

106
src/main/java/org/dynmap/CraftChunkSnapshot.java Normal file
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@ -0,0 +1,106 @@
package org.dynmap;
/**
* Represents a static, thread-safe snapshot of chunk of blocks
* Purpose is to allow clean, efficient copy of a chunk data to be made, and then handed off for processing in another thread (e.g. map rendering)
*/
public class CraftChunkSnapshot {
private final int x, z;
private final byte[] buf; /* Flat buffer in uncompressed chunk file format */
private static final int BLOCKDATA_OFF = 32768;
private static final int BLOCKLIGHT_OFF = BLOCKDATA_OFF + 16384;
private static final int SKYLIGHT_OFF = BLOCKLIGHT_OFF + 16384;
/**
* Constructor
*/
CraftChunkSnapshot(int x, int z, byte[] buf) {
this.x = x;
this.z = z;
this.buf = buf;
}
/**
* Gets the X-coordinate of this chunk
*
* @return X-coordinate
*/
public int getX() {
return x;
}
/**
* Gets the Z-coordinate of this chunk
*
* @return Z-coordinate
*/
public int getZ() {
return z;
}
/**
* Get block type for block at corresponding coordinate in the chunk
*
* @param x 0-15
* @param y 0-127
* @param z 0-15
* @return 0-255
*/
public int getBlockTypeId(int x, int y, int z) {
return buf[x << 11 | z << 7 | y] & 255;
}
/**
* Get block data for block at corresponding coordinate in the chunk
*
* @param x 0-15
* @param y 0-127
* @param z 0-15
* @return 0-15
*/
public int getBlockData(int x, int y, int z) {
int off = ((x << 10) | (z << 6) | (y >> 1)) + BLOCKDATA_OFF;
return ((y & 1) == 0) ? (buf[off] & 0xF) : ((buf[off] >> 4) & 0xF);
}
/**
* Get sky light level for block at corresponding coordinate in the chunk
*
* @param x 0-15
* @param y 0-127
* @param z 0-15
* @return 0-15
*/
public int getBlockSkyLight(int x, int y, int z) {
int off = ((x << 10) | (z << 6) | (y >> 1)) + SKYLIGHT_OFF;
return ((y & 1) == 0) ? (buf[off] & 0xF) : ((buf[off] >> 4) & 0xF);
}
/**
* Get light level emitted by block at corresponding coordinate in the chunk
*
* @param x 0-15
* @param y 0-127
* @param z 0-15
* @return 0-15
*/
public int getBlockEmittedLight(int x, int y, int z) {
int off = ((x << 10) | (z << 6) | (y >> 1)) + BLOCKLIGHT_OFF;
return ((y & 1) == 0) ? (buf[off] & 0xF) : ((buf[off] >> 4) & 0xF);
}
public int getHighestBlockYAt(int x, int z) {
int off = x << 11 | z << 7 | 126;
int i;
for(i = 127; (i >= 2); i--, off--) {
if(buf[off] != 0) {
break;
}
}
return i;
}
}

213
src/main/java/org/dynmap/MapChunkCache.java Normal file
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@ -0,0 +1,213 @@
package org.dynmap;
import java.lang.reflect.Method;
import java.util.LinkedList;
import org.bukkit.World;
import org.bukkit.Chunk;
import org.bukkit.entity.Entity;
/**
* Container for managing chunks, as well as abstracting the different methods we may
* handle chunk data (existing chunk loading, versus upcoming chunk snapshots)
*
*/
public class MapChunkCache {
private World w;
private static Method getchunkdata = null;
private static Method gethandle = null;
private static boolean initialized = false;
private int x_min, x_max, z_min, z_max;
private int x_dim;
private CraftChunkSnapshot[] snaparray; /* Index = (x-x_min) + ((z-z_min)*x_dim) */
private LinkedList<DynmapChunk> loadedChunks = new LinkedList<DynmapChunk>();
/**
* Create chunk cache container
* @param w - world
* @param x_min - minimum chunk x coordinate
* @param z_min - minimum chunk z coordinate
* @param x_max - maximum chunk x coordinate
* @param z_max - maximum chunk z coordinate
*/
@SuppressWarnings({ "unchecked" })
public MapChunkCache(World w, DynmapChunk[] chunks) {
/* Compute range */
if(chunks.length == 0) {
this.x_min = 0;
this.x_max = 0;
this.z_min = 0;
this.z_max = 0;
x_dim = 1;
}
else {
x_min = x_max = chunks[0].x;
z_min = z_max = chunks[0].z;
for(int i = 1; i < chunks.length; i++) {
if(chunks[i].x > x_max)
x_max = chunks[i].x;
if(chunks[i].x < x_min)
x_min = chunks[i].x;
if(chunks[i].z > z_max)
z_max = chunks[i].z;
if(chunks[i].z < z_min)
z_min = chunks[i].z;
}
x_dim = x_max - x_min + 1;
}
this.w = w;
if(!initialized) {
try {
Class c = Class.forName("net.minecraft.server.Chunk");
getchunkdata = c.getDeclaredMethod("a", new Class[] { byte[].class, int.class,
int.class, int.class, int.class, int.class, int.class, int.class });
c = Class.forName("org.bukkit.craftbukkit.CraftChunk");
gethandle = c.getDeclaredMethod("getHandle", new Class[0]);
} catch (ClassNotFoundException cnfx) {
} catch (NoSuchMethodException nsmx) {
}
initialized = true;
if(gethandle != null)
Log.info("Chunk snapshot support enabled");
else
Log.info("Chunk snapshot support disabled");
}
if(gethandle != null) { /* We can use caching */
snaparray = new CraftChunkSnapshot[x_dim * (z_max-z_min+1)];
}
if(snaparray != null) {
// Load the required chunks.
for (DynmapChunk chunk : chunks) {
boolean wasLoaded = w.isChunkLoaded(chunk.x, chunk.z);
boolean didload = w.loadChunk(chunk.x, chunk.z, false);
/* If it did load, make cache of it */
if(didload) {
Chunk c = w.getChunkAt(chunk.x, chunk.z);
try {
Object cc = gethandle.invoke(c);
byte[] buf = new byte[32768 + 16384 + 16384 + 16384]; /* Get big enough buffer for whole chunk */
getchunkdata.invoke(cc, buf, 0, 0, 0, 16, 128, 16, 0);
CraftChunkSnapshot ss = new CraftChunkSnapshot(chunk.x, chunk.z, buf);
snaparray[(chunk.x-x_min) + (chunk.z - z_min)*x_dim] = ss;
} catch (Exception x) {
}
}
if ((!wasLoaded) && didload) {
/* It looks like bukkit "leaks" entities - they don't get removed from the world-level table
* when chunks are unloaded but not saved - removing them seems to do the trick */
Chunk cc = w.getChunkAt(chunk.x, chunk.z);
if(cc != null) {
for(Entity e: cc.getEntities())
e.remove();
}
/* Since we only remember ones we loaded, and we're synchronous, no player has
* moved, so it must be safe (also prevent chunk leak, which appears to happen
* because isChunkInUse defined "in use" as being within 256 blocks of a player,
* while the actual in-use chunk area for a player where the chunks are managed
* by the MC base server is 21x21 (or about a 160 block radius) */
w.unloadChunk(chunk.x, chunk.z, false, false);
}
}
}
else { /* Else, load and keep them loaded for now */
// Load the required chunks.
for (DynmapChunk chunk : chunks) {
boolean wasLoaded = w.isChunkLoaded(chunk.x, chunk.z);
boolean didload = w.loadChunk(chunk.x, chunk.z, false);
if ((!wasLoaded) && didload)
loadedChunks.add(chunk);
}
}
}
/**
* Unload chunks
*/
public void unloadChunks() {
if(snaparray != null) {
for(int i = 0; i < snaparray.length; i++) {
snaparray[i] = null;
}
}
else {
while (!loadedChunks.isEmpty()) {
DynmapChunk c = loadedChunks.pollFirst();
/* It looks like bukkit "leaks" entities - they don't get removed from the world-level table
* when chunks are unloaded but not saved - removing them seems to do the trick */
Chunk cc = w.getChunkAt(c.x, c.z);
if(cc != null) {
for(Entity e: cc.getEntities())
e.remove();
}
/* Since we only remember ones we loaded, and we're synchronous, no player has
* moved, so it must be safe (also prevent chunk leak, which appears to happen
* because isChunkInUse defined "in use" as being within 256 blocks of a player,
* while the actual in-use chunk area for a player where the chunks are managed
* by the MC base server is 21x21 (or about a 160 block radius) */
w.unloadChunk(c.x, c.z, false, false);
}
}
}
/**
* Get block ID at coordinates
*/
public int getBlockTypeID(int x, int y, int z) {
if(snaparray != null) {
CraftChunkSnapshot ss = snaparray[((x>>4) - x_min) + ((z>>4) - z_min) * x_dim];
if(ss == null)
return 0;
else
return ss.getBlockTypeId(x & 0xF, y, z & 0xF);
}
else {
return w.getBlockTypeIdAt(x, y, z);
}
}
/**
* Get block data at coordiates
*/
public byte getBlockData(int x, int y, int z) {
if(snaparray != null) {
CraftChunkSnapshot ss = snaparray[((x>>4) - x_min) + ((z>>4) - z_min) * x_dim];
if(ss == null)
return 0;
else
return (byte)ss.getBlockData(x & 0xF, y, z & 0xF);
}
else {
return w.getBlockAt(x, y, z).getData();
}
}
/* Get highest block Y
*
*/
public int getHighestBlockYAt(int x, int z) {
if(snaparray != null) {
CraftChunkSnapshot ss = snaparray[((x>>4) - x_min) + ((z>>4) - z_min) * x_dim];
if(ss == null) {
return 1;
}
else
return ss.getHighestBlockYAt(x & 0xF, z & 0xF);
}
else {
return w.getHighestBlockYAt(x, z);
}
}
/* Get sky light level
*/
public int getBlockSkyLight(int x, int y, int z) {
if(snaparray != null) {
CraftChunkSnapshot ss = snaparray[((x>>4) - x_min) + ((z>>4) - z_min) * x_dim];
if(ss == null) {
return 15;
}
else
return ss.getBlockSkyLight(x & 0xF, y, z & 0xF);
}
else {
return 15;
}
}
}

105
src/main/java/org/dynmap/MapManager.java
View File

@ -21,9 +21,7 @@ public class MapManager {
public Map<String, DynmapWorld> inactiveworlds = new HashMap<String, DynmapWorld>();
private BukkitScheduler scheduler;
private DynmapPlugin plug_in;
private boolean do_timesliced_render = false;
private double timeslice_interval = 0.0;
private boolean do_sync_render = false; /* Do incremental renders on sync thread too */
/* Which timesliced renders are active */
private HashMap<String, FullWorldRenderState> active_renders = new HashMap<String, FullWorldRenderState>();
@ -96,22 +94,14 @@ public class MapManager {
else { /* Else, single tile render */
tile = tile0;
}
DynmapChunk[] requiredChunks = tile.getMap().getRequiredChunks(tile);
LinkedList<DynmapChunk> loadedChunks = new LinkedList<DynmapChunk>();
MapChunkCache cache = new MapChunkCache(world.world, requiredChunks);
World w = world.world;
// Load the required chunks.
for (DynmapChunk chunk : requiredChunks) {
boolean wasLoaded = w.isChunkLoaded(chunk.x, chunk.z);
boolean didload = w.loadChunk(chunk.x, chunk.z, false);
if ((!wasLoaded) && didload)
loadedChunks.add(chunk);
}
if(tile0 != null) { /* Single tile? */
render(tile); /* Just render */
render(cache, tile); /* Just render */
}
else {
if (render(tile)) {
if (render(cache, tile)) {
found.remove(tile);
rendered.add(tile);
for (MapTile adjTile : map.getAdjecentTiles(tile)) {
@ -129,22 +119,7 @@ public class MapManager {
}
}
/* And unload what we loaded */
while (!loadedChunks.isEmpty()) {
DynmapChunk c = loadedChunks.pollFirst();
/* It looks like bukkit "leaks" entities - they don't get removed from the world-level table
* when chunks are unloaded but not saved - removing them seems to do the trick */
Chunk cc = w.getChunkAt(c.x, c.z);
if(cc != null) {
for(Entity e: cc.getEntities())
e.remove();
}
/* Since we only remember ones we loaded, and we're synchronous, no player has
* moved, so it must be safe (also prevent chunk leak, which appears to happen
* because isChunkInUse defined "in use" as being within 256 blocks of a player,
* while the actual in-use chunk area for a player where the chunks are managed
* by the MC base server is 21x21 (or about a 160 block radius) */
w.unloadChunk(c.x, c.z, false, false);
}
cache.unloadChunks();
if(tile0 == null) { /* fullrender */
/* Schedule the next tile to be worked */
scheduler.scheduleSyncDelayedTask(plug_in, this, (int)(timeslice_interval*20));
@ -159,11 +134,8 @@ public class MapManager {
this.tileQueue = new AsynchronousQueue<MapTile>(new Handler<MapTile>() {
@Override
public void handle(MapTile t) {
if(do_sync_render)
scheduler.scheduleSyncDelayedTask(plug_in,
new FullWorldRenderState(t), 1);
else
render(t);
}
}, (int) (configuration.getDouble("renderinterval", 0.5) * 1000));
@ -175,9 +147,7 @@ public class MapManager {
}
}, 10);
do_timesliced_render = configuration.getBoolean("timeslicerender", true);
timeslice_interval = configuration.getDouble("timesliceinterval", 0.5);
do_sync_render = configuration.getBoolean("renderonsync", true);
for(ConfigurationNode worldConfiguration : configuration.getNodes("worlds")) {
String worldName = worldConfiguration.getString("name");
@ -219,7 +189,6 @@ public class MapManager {
Log.severe("Could not render: world '" + l.getWorld().getName() + "' not defined in configuration.");
return;
}
if(do_timesliced_render) {
String wname = l.getWorld().getName();
FullWorldRenderState rndr = active_renders.get(wname);
if(rndr != null) {
@ -231,66 +200,6 @@ public class MapManager {
/* Schedule first tile to be worked */
scheduler.scheduleSyncDelayedTask(plug_in, rndr, (int)(timeslice_interval*20));
Log.info("Full render starting on world '" + wname + "' (timesliced)...");
return;
}
World w = world.world;
Log.info("Full render starting on world '" + w.getName() + "'...");
for (MapType map : world.maps) {
int requiredChunkCount = 200;
HashSet<MapTile> found = new HashSet<MapTile>();
HashSet<MapTile> rendered = new HashSet<MapTile>();
LinkedList<MapTile> renderQueue = new LinkedList<MapTile>();
LinkedList<DynmapChunk> loadedChunks = new LinkedList<DynmapChunk>();
for (MapTile tile : map.getTiles(l)) {
if (!found.contains(tile)) {
found.add(tile);
renderQueue.add(tile);
}
}
while (!renderQueue.isEmpty()) {
MapTile tile = renderQueue.pollFirst();
DynmapChunk[] requiredChunks = tile.getMap().getRequiredChunks(tile);
if (requiredChunks.length > requiredChunkCount)
requiredChunkCount = requiredChunks.length;
// Unload old chunks.
while (loadedChunks.size() >= requiredChunkCount - requiredChunks.length) {
DynmapChunk c = loadedChunks.pollFirst();
w.unloadChunk(c.x, c.z, false, true);
}
// Load the required chunks.
for (DynmapChunk chunk : requiredChunks) {
boolean wasLoaded = w.isChunkLoaded(chunk.x, chunk.z);
w.loadChunk(chunk.x, chunk.z, false);
if (!wasLoaded)
loadedChunks.add(chunk);
}
if (render(tile)) {
found.remove(tile);
rendered.add(tile);
for (MapTile adjTile : map.getAdjecentTiles(tile)) {
if (!found.contains(adjTile) && !rendered.contains(adjTile)) {
found.add(adjTile);
renderQueue.add(adjTile);
}
}
}
found.remove(tile);
}
// Unload remaining chunks to clean-up.
while (!loadedChunks.isEmpty()) {
DynmapChunk c = loadedChunks.pollFirst();
w.unloadChunk(c.x, c.z, false, true);
}
}
Log.info("Full render finished.");
}
public void activateWorld(World w) {
@ -337,8 +246,8 @@ public class MapManager {
writeQueue.stop();
}
public boolean render(MapTile tile) {
boolean result = tile.getMap().render(tile, getTileFile(tile));
public boolean render(MapChunkCache cache, MapTile tile) {
boolean result = tile.getMap().render(cache, tile, getTileFile(tile));
//Do update after async file write
return result;
@ -387,6 +296,6 @@ public class MapManager {
}
public boolean doSyncRender() {
return do_sync_render;
return true;
}
}

2
src/main/java/org/dynmap/MapType.java
View File

@ -13,5 +13,5 @@ public abstract class MapType {
public abstract DynmapChunk[] getRequiredChunks(MapTile tile);
public abstract boolean render(MapTile tile, File outputFile);
public abstract boolean render(MapChunkCache cache, MapTile tile, File outputFile);
}

20
src/main/java/org/dynmap/flat/FlatMap.java
View File

@ -19,6 +19,8 @@ import org.dynmap.MapManager;
import org.dynmap.MapTile;
import org.dynmap.MapType;
import org.dynmap.debug.Debug;
import org.dynmap.kzedmap.KzedMap;
import org.dynmap.MapChunkCache;
public class FlatMap extends MapType {
private String prefix;
@ -73,13 +75,13 @@ public class FlatMap extends MapType {
}
@Override
public boolean render(MapTile tile, File outputFile) {
public boolean render(MapChunkCache cache, MapTile tile, File outputFile) {
FlatMapTile t = (FlatMapTile) tile;
World w = t.getWorld();
boolean isnether = (w.getEnvironment() == Environment.NETHER) && (maximumHeight == 127);
boolean rendered = false;
BufferedImage im = new BufferedImage(t.size, t.size, BufferedImage.TYPE_INT_RGB);
BufferedImage im = KzedMap.allocateBufferedImage(t.size, t.size);
WritableRaster raster = im.getRaster();
int[] pixel = new int[4];
@ -93,16 +95,16 @@ public class FlatMap extends MapType {
if(isnether) {
/* Scan until we hit air */
my = 127;
while((blockType = w.getBlockTypeIdAt(mx, my, mz)) != 0) {
while((blockType = cache.getBlockTypeID(mx, my, mz)) != 0) {
my--;
if(my < 0) { /* Solid - use top */
my = 127;
blockType = w.getBlockTypeIdAt(mx, my, mz);
blockType = cache.getBlockTypeID(mx, my, mz);
break;
}
}
if(blockType == 0) { /* Hit air - now find non-air */
while((blockType = w.getBlockTypeIdAt(mx, my, mz)) == 0) {
while((blockType = cache.getBlockTypeID(mx, my, mz)) == 0) {
my--;
if(my < 0) {
my = 0;
@ -112,14 +114,14 @@ public class FlatMap extends MapType {
}
}
else {
my = w.getHighestBlockYAt(mx, mz) - 1;
my = cache.getHighestBlockYAt(mx, mz) - 1;
if(my > maximumHeight) my = maximumHeight;
blockType = w.getBlockTypeIdAt(mx, my, mz);
blockType = cache.getBlockTypeID(mx, my, mz);
}
byte data = 0;
Color[] colors = colorScheme.colors[blockType];
if(colorScheme.datacolors[blockType] != null) {
data = w.getBlockAt(mx, my, mz).getData();
data = cache.getBlockData(mx, my, mz);
colors = colorScheme.datacolors[blockType][data];
}
if (colors == null)
@ -176,7 +178,7 @@ public class FlatMap extends MapType {
} catch (java.lang.NullPointerException e) {
Debug.error("Failed to save image (NullPointerException): " + fname.getPath(), e);
}
img.flush();
KzedMap.freeBufferedImage(img);
MapManager.mapman.pushUpdate(mtile.getWorld(),
new Client.Tile(mtile.getFilename()));
}

6
src/main/java/org/dynmap/kzedmap/CaveTileRenderer.java
View File

@ -1,6 +1,7 @@
package org.dynmap.kzedmap;
import org.bukkit.World;
import org.dynmap.MapChunkCache;
import org.dynmap.Color;
import org.dynmap.ConfigurationNode;
@ -11,14 +12,15 @@ public class CaveTileRenderer extends DefaultTileRenderer {
}
@Override
protected void scan(World world, int x, int y, int z, int seq, boolean isnether, final Color result) {
protected void scan(World world, int x, int y, int z, int seq, boolean isnether, final Color result,
MapChunkCache cache) {
boolean air = true;
result.setTransparent();
for (;;) {
if (y < 0)
return;
int id = world.getBlockTypeIdAt(x, y, z);
int id = cache.getBlockTypeID(x, y, z);
if(isnether) { /* Make ceiling into air in nether */
if(id != 0)
id = 0;

155
src/main/java/org/dynmap/kzedmap/DefaultTileRenderer.java
View File

@ -1,7 +1,5 @@
package org.dynmap.kzedmap;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import java.awt.image.BufferedImage;
import java.awt.image.WritableRaster;
import java.io.File;
@ -18,6 +16,7 @@ import org.dynmap.ColorScheme;
import org.dynmap.ConfigurationNode;
import org.dynmap.MapManager;
import org.dynmap.debug.Debug;
import org.dynmap.MapChunkCache;
public class DefaultTileRenderer implements MapTileRenderer {
protected static final Color translucent = new Color(0, 0, 0, 0);
@ -28,6 +27,7 @@ public class DefaultTileRenderer implements MapTileRenderer {
protected HashSet<Integer> highlightBlocks = new HashSet<Integer>();
protected Color highlightColor = new Color(255, 0, 0);
protected int shadowscale[]; /* index=skylight level, value = 256 * scaling value */
@Override
public String getName() {
return name;
@ -41,15 +41,29 @@ public class DefaultTileRenderer implements MapTileRenderer {
if (maximumHeight > 127)
maximumHeight = 127;
}
o = configuration.get("shadowstrength");
if(o != null) {
double shadowweight = Double.parseDouble(String.valueOf(o));
if(shadowweight > 0.0) {
shadowscale = new int[16];
for(int i = 0; i < 16; i++) {
double v = 256.0 * (1.0 - (shadowweight * (15-i) / 15.0));
shadowscale[i] = (int)v;
if(shadowscale[i] > 256) shadowscale[i] = 256;
if(shadowscale[i] < 0) shadowscale[i] = 0;
}
}
}
colorScheme = ColorScheme.getScheme((String)configuration.get("colorscheme"));
}
public boolean render(KzedMapTile tile, File outputFile) {
public boolean render(MapChunkCache cache, KzedMapTile tile, File outputFile) {
World world = tile.getWorld();
boolean isnether = (world.getEnvironment() == Environment.NETHER);
BufferedImage im = new BufferedImage(KzedMap.tileWidth, KzedMap.tileHeight, BufferedImage.TYPE_INT_RGB);
BufferedImage im = KzedMap.allocateBufferedImage(KzedMap.tileWidth, KzedMap.tileHeight);
BufferedImage zim = KzedMap.allocateBufferedImage(KzedMap.tileWidth/2, KzedMap.tileHeight/2);
WritableRaster r = im.getRaster();
WritableRaster zr = zim.getRaster();
boolean isempty = true;
int ix = KzedMap.anchorx + tile.px / 2 + tile.py / 2 - ((127-maximumHeight)/2);
@ -66,30 +80,37 @@ public class DefaultTileRenderer implements MapTileRenderer {
Color c1 = new Color();
Color c2 = new Color();
int[] rgb = new int[3];
int[] rgb = new int[3*KzedMap.tileWidth];
int[] zrgb = new int[3*KzedMap.tileWidth/2];
/* draw the map */
for (y = 0; y < KzedMap.tileHeight;) {
jx = ix;
jz = iz;
for (x = KzedMap.tileWidth - 1; x >= 0; x -= 2) {
scan(world, jx, iy, jz, 0, isnether, c1);
scan(world, jx, iy, jz, 2, isnether, c2);
if(c1.isTransparent() == false) {
rgb[0] = c1.getRed(); rgb[1] = c1.getGreen(); rgb[2] = c1.getBlue();
r.setPixel(x, y, rgb);
isempty = false;
}
if(c2.isTransparent() == false) {
rgb[0] = c2.getRed(); rgb[1] = c2.getGreen(); rgb[2] = c2.getBlue();
r.setPixel(x - 1, y, rgb);
isempty = false;
}
scan(world, jx, iy, jz, 0, isnether, c1, cache);
scan(world, jx, iy, jz, 2, isnether, c2, cache);
rgb[3*x] = c1.getRed();
rgb[3*x+1] = c1.getGreen();
rgb[3*x+2] = c1.getBlue();
rgb[3*x-3] = c2.getRed();
rgb[3*x-2] = c2.getGreen();
rgb[3*x-1] = c2.getBlue();
isempty = isempty && c1.isTransparent() && c2.isTransparent();
jx++;
jz++;
}
r.setPixels(0, y, KzedMap.tileWidth, 1, rgb);
/* Sum up zoomed pixels - bilinar filter */
for(x = 0; x < KzedMap.tileWidth / 2; x++) {
zrgb[3*x] = rgb[6*x] + rgb[6*x+3];
zrgb[3*x+1] = rgb[6*x+1] + rgb[6*x+4];
zrgb[3*x+2] = rgb[6*x+2] + rgb[6*x+5];
}
y++;
@ -97,22 +118,28 @@ public class DefaultTileRenderer implements MapTileRenderer {
jz = iz - 1;
for (x = KzedMap.tileWidth - 1; x >= 0; x -= 2) {
scan(world, jx, iy, jz, 2, isnether, c1);
scan(world, jx, iy, jz, 2, isnether, c1, cache);
jx++;
jz++;
scan(world, jx, iy, jz, 0, isnether, c2);
if(c1.isTransparent() == false) {
rgb[0] = c1.getRed(); rgb[1] = c1.getGreen(); rgb[2] = c1.getBlue();
r.setPixel(x, y, rgb);
isempty = false;
}
if(c2.isTransparent() == false) {
rgb[0] = c2.getRed(); rgb[1] = c2.getGreen(); rgb[2] = c2.getBlue();
scan(world, jx, iy, jz, 0, isnether, c2, cache);
r.setPixel(x - 1, y, rgb);
isempty = false;
rgb[3*x] = c1.getRed();
rgb[3*x+1] = c1.getGreen();
rgb[3*x+2] = c1.getBlue();
rgb[3*x-3] = c2.getRed();
rgb[3*x-2] = c2.getGreen();
rgb[3*x-1] = c2.getBlue();
isempty = isempty && c1.isTransparent() && c2.isTransparent();
}
r.setPixels(0, y, KzedMap.tileWidth, 1, rgb);
/* Finish summing values for zoomed pixels */
for(x = 0; x < KzedMap.tileWidth / 2; x++) {
zrgb[3*x] = (zrgb[3*x] + rgb[6*x] + rgb[6*x+3]) >> 2;
zrgb[3*x+1] = (zrgb[3*x+1] + rgb[6*x+1] + rgb[6*x+4]) >> 2;
zrgb[3*x+2] = (zrgb[3*x+2] + rgb[6*x+2] + rgb[6*x+5]) >> 2;
}
zr.setPixels(0, y/2, KzedMap.tileWidth/2, 1, zrgb);
y++;
@ -124,13 +151,14 @@ public class DefaultTileRenderer implements MapTileRenderer {
final File fname = outputFile;
final KzedMapTile mtile = tile;
final BufferedImage img = im;
final BufferedImage zimg = zim;
final KzedZoomedMapTile zmtile = new KzedZoomedMapTile(mtile.getWorld(),
(KzedMap) mtile.getMap(), mtile);
final File zoomFile = MapManager.mapman.getTileFile(zmtile);
MapManager.mapman.enqueueImageWrite(new Runnable() {
public void run() {
doFileWrites(fname, mtile, img, zmtile, zoomFile);
doFileWrites(fname, mtile, img, zmtile, zoomFile, zimg);
}
});
@ -138,7 +166,8 @@ public class DefaultTileRenderer implements MapTileRenderer {
}
private void doFileWrites(final File fname, final KzedMapTile mtile,
final BufferedImage img, final KzedZoomedMapTile zmtile, final File zoomFile) {
final BufferedImage img, final KzedZoomedMapTile zmtile, final File zoomFile,
final BufferedImage zimg) {
Debug.debug("saving image " + fname.getPath());
try {
ImageIO.write(img, "png", fname);
@ -147,6 +176,8 @@ public class DefaultTileRenderer implements MapTileRenderer {
} catch (java.lang.NullPointerException e) {
Debug.error("Failed to save image (NullPointerException): " + fname.getPath(), e);
}
img.flush();
mtile.file = fname;
// Since we've already got the new tile, and we're on an async thread, just
// make the zoomed tile here
@ -175,21 +206,20 @@ public class DefaultTileRenderer implements MapTileRenderer {
} catch (IndexOutOfBoundsException e) {
}
boolean zIm_allocated = false;
if (zIm == null) {
/* create new one */
zIm = new BufferedImage(KzedMap.tileWidth, KzedMap.tileHeight, BufferedImage.TYPE_INT_RGB);
zIm = KzedMap.allocateBufferedImage(KzedMap.tileWidth, KzedMap.tileHeight);
zIm_allocated = true;
Debug.debug("New zoom-out tile created " + zmtile.getFilename());
} else {
Debug.debug("Loaded zoom-out tile from " + zmtile.getFilename());
}
/* blit scaled rendered tile onto zoom-out tile */
Graphics2D g2 = zIm.createGraphics();
g2.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR);
g2.drawImage(img, ox, oy, scw, sch, null);
g2.dispose(); /* Supposed to speed up non-heap memory recovery */
img.flush();
WritableRaster zim = zIm.getRaster();
zim.setRect(ox, oy, zimg.getRaster());
KzedMap.freeBufferedImage(zimg);
/* save zoom-out tile */
@ -201,6 +231,9 @@ public class DefaultTileRenderer implements MapTileRenderer {
} catch (java.lang.NullPointerException e) {
Debug.error("Failed to save zoom-out tile (NullPointerException): " + zoomFile.getName(), e);
}
if(zIm_allocated)
KzedMap.freeBufferedImage(zIm);
else
zIm.flush();
/* Push updates for both files.*/
MapManager.mapman.pushUpdate(mtile.getWorld(),
@ -209,14 +242,15 @@ public class DefaultTileRenderer implements MapTileRenderer {
new Client.Tile(zmtile.getFilename()));
}
protected void scan(World world, int x, int y, int z, int seq, boolean isnether, final Color result) {
protected void scan(World world, int x, int y, int z, int seq, boolean isnether, final Color result,
MapChunkCache cache) {
int lightlevel = 15;
result.setTransparent();
for (;;) {
if (y < 0) {
return;
}
int id = world.getBlockTypeIdAt(x, y, z);
int id = cache.getBlockTypeID(x, y, z);
byte data = 0;
if(isnether) { /* Make bedrock ceiling into air in nether */
if(id != 0) {
@ -229,9 +263,29 @@ public class DefaultTileRenderer implements MapTileRenderer {
else
isnether = false;
}
if(id != 0) { /* No update needed for air */
if(colorScheme.datacolors[id] != null) { /* If data colored */
data = world.getBlockAt(x, y, z).getData();
data = cache.getBlockData(x, y, z);
}
if((shadowscale != null) && (y < 127)) {
/* Find light level of previous chunk */
switch(seq) {
case 0:
lightlevel = cache.getBlockSkyLight(x, y+1, z);
break;
case 1:
lightlevel = cache.getBlockSkyLight(x+1, y, z);
break;
case 2:
lightlevel = cache.getBlockSkyLight(x, y+1, z);
break;
case 3:
lightlevel = cache.getBlockSkyLight(x, y, z-1);
break;
}
}
}
switch (seq) {
case 0:
x--;
@ -266,16 +320,25 @@ public class DefaultTileRenderer implements MapTileRenderer {
if (c.getAlpha() == 255) {
/* it's opaque - the ray ends here */
result.setColor(c);
if(lightlevel < 15) { /* Not full light? */
shadowColor(result, lightlevel);
}
return;
}
/* this block is transparent, so recurse */
scan(world, x, y, z, seq, isnether, result);
scan(world, x, y, z, seq, isnether, result, cache);
int cr = c.getRed();
int cg = c.getGreen();
int cb = c.getBlue();
int ca = c.getAlpha();
if(lightlevel < 15) {
int scale = shadowscale[lightlevel];
cr = (cr * scale) >> 8;
cg = (cg * scale) >> 8;
cb = (cb * scale) >> 8;
}
cr *= ca;
cg *= ca;
cb *= ca;
@ -287,4 +350,10 @@ public class DefaultTileRenderer implements MapTileRenderer {
}
}
}
private final void shadowColor(Color c, int lightlevel) {
int scale = shadowscale[lightlevel];
if(scale < 256)
c.setRGBA((c.getRed() * scale) >> 8, (c.getGreen() * scale) >> 8,
(c.getBlue() * scale) >> 8, c.getAlpha());
}
}

8
src/main/java/org/dynmap/kzedmap/HighlightTileRenderer.java
View File

@ -1,6 +1,7 @@
package org.dynmap.kzedmap;
import java.util.HashSet;
import org.dynmap.MapChunkCache;
import java.util.List;
import org.bukkit.World;
@ -19,14 +20,15 @@ public class HighlightTileRenderer extends DefaultTileRenderer {
}
@Override
protected void scan(World world, int x, int y, int z, int seq, boolean isnether, final Color result) {
protected void scan(World world, int x, int y, int z, int seq, boolean isnether, final Color result,
MapChunkCache cache) {
result.setTransparent();
for (;;) {
if (y < 0) {
break;
}
int id = world.getBlockTypeIdAt(x, y, z);
int id = cache.getBlockTypeID(x, y, z);
if(isnether) { /* Make bedrock ceiling into air in nether */
if(id != 0) {
/* Remember first color we see, in case we wind up solid */
@ -40,7 +42,7 @@ public class HighlightTileRenderer extends DefaultTileRenderer {
}
byte data = 0;
if(colorScheme.datacolors[id] != null) { /* If data colored */
data = world.getBlockAt(x, y, z).getData();
data = cache.getBlockData(x, y, z);
}
switch (seq) {

61
src/main/java/org/dynmap/kzedmap/KzedMap.java
View File

@ -1,7 +1,10 @@
package org.dynmap.kzedmap;
import java.awt.image.BufferedImage;
import java.io.File;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.logging.Logger;
@ -12,6 +15,7 @@ import org.dynmap.DynmapChunk;
import org.dynmap.Log;
import org.dynmap.MapTile;
import org.dynmap.MapType;
import org.dynmap.MapChunkCache;
public class KzedMap extends MapType {
protected static final Logger log = Logger.getLogger("Minecraft");
@ -36,6 +40,13 @@ public class KzedMap extends MapType {
MapTileRenderer[] renderers;
ZoomedTileRenderer zoomrenderer;
/* BufferedImage cache - we use the same things a lot... */
private static Object lock = new Object();
private static HashMap<Long, LinkedList<BufferedImage>> imgcache =
new HashMap<Long, LinkedList<BufferedImage>>(); /* Indexed by resolution - X<<32+Y */
private static int[] zerobuf = new int[128];
private static final int CACHE_LIMIT = 10;
public KzedMap(ConfigurationNode configuration) {
Log.info("Loading renderers for map '" + getClass().toString() + "'...");
List<MapTileRenderer> renderers = configuration.<MapTileRenderer>createInstances("renderers", new Class<?>[0], new Object[0]);
@ -203,12 +214,12 @@ public class KzedMap extends MapType {
}
@Override
public boolean render(MapTile tile, File outputFile) {
public boolean render(MapChunkCache cache, MapTile tile, File outputFile) {
if (tile instanceof KzedZoomedMapTile) {
zoomrenderer.render((KzedZoomedMapTile) tile, outputFile);
zoomrenderer.render(cache, (KzedZoomedMapTile) tile, outputFile);
return true;
} else if (tile instanceof KzedMapTile) {
return ((KzedMapTile) tile).renderer.render((KzedMapTile) tile, outputFile);
return ((KzedMapTile) tile).renderer.render(cache, (KzedMapTile) tile, outputFile);
}
return false;
}
@ -245,4 +256,48 @@ public class KzedMap extends MapType {
else
return y - (y % zTileHeight);
}
/**
* Allocate buffered image from pool, if possible
* @param x - x dimension
* @param y - y dimension
*/
public static BufferedImage allocateBufferedImage(int x, int y) {
BufferedImage img = null;
synchronized(lock) {
long k = (x<<16) + y;
LinkedList<BufferedImage> ll = imgcache.get(k);
if(ll != null) {
img = ll.poll();
}
}
if(img != null) { /* Got it - reset it for use */
if(zerobuf.length < x)
zerobuf = new int[x];
img.setRGB(0, 0, x, y, zerobuf, 0, 0);
}
else {
img = new BufferedImage(x, y, BufferedImage.TYPE_INT_RGB);
}
return img;
}
/**
* Return buffered image to pool
*/
public static void freeBufferedImage(BufferedImage img) {
img.flush();
synchronized(lock) {
long k = (img.getWidth()<<16) + img.getHeight();
LinkedList<BufferedImage> ll = imgcache.get(k);
if(ll == null) {
ll = new LinkedList<BufferedImage>();
imgcache.put(k, ll);
}
if(ll.size() < CACHE_LIMIT) {
ll.add(img);
img = null;
}
}
}
}

3
src/main/java/org/dynmap/kzedmap/MapTileRenderer.java
View File

@ -1,9 +1,10 @@
package org.dynmap.kzedmap;
import java.io.File;
import org.dynmap.MapChunkCache;
public interface MapTileRenderer {
String getName();
boolean render(KzedMapTile tile, File outputFile);
boolean render(MapChunkCache cache, KzedMapTile tile, File outputFile);
}

4
src/main/java/org/dynmap/kzedmap/ZoomedTileRenderer.java
View File

@ -2,12 +2,12 @@ package org.dynmap.kzedmap;
import java.io.File;
import java.util.Map;
import org.dynmap.MapChunkCache;
public class ZoomedTileRenderer {
public ZoomedTileRenderer(Map<String, Object> configuration) {
}
public void render(final KzedZoomedMapTile zt, final File outputPath) {
public void render(MapChunkCache cache, final KzedZoomedMapTile zt, final File outputPath) {
return; /* Doing this in Default render, since image already loaded */
}
}

2
src/main/java/org/dynmap/web/HttpServer.java
View File

@ -29,7 +29,7 @@ public class HttpServer extends Thread {
}
public void startServer() throws IOException {
sock = new ServerSocket(port, 5, bindAddress);
sock = new ServerSocket(port, 50, bindAddress); /* 5 too low - more than a couple users during render will get connect errors on some tile loads */
listeningThread = this;
start();
Log.info("Dynmap WebServer started on " + bindAddress + ":" + port);