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Add support for throttling chunk load rate, spreading over ticks

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This commit is contained in:
Mike Primm 2011-06-18 19:43:47 -05:00
parent 8b35f4d3b7
commit 2bc9b410a6
8 changed files with 188 additions and 102 deletions
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80
src/main/java/org/dynmap/utils/LegacyMapChunkCache.java
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@ -2,6 +2,7 @@ package org.dynmap.utils;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.ListIterator;
import java.lang.reflect.Field;
import org.bukkit.World;
import org.bukkit.Chunk;
@ -20,7 +21,11 @@ public class LegacyMapChunkCache implements MapChunkCache {
private static Method poppreservedchunk = null;
private static Field heightmap = null;
private static boolean initialized = false;
private World w;
private List<DynmapChunk> chunks;
private ListIterator<DynmapChunk> iterator;
private int x_min, x_max, z_min, z_max;
private int x_dim;
private HiddenChunkStyle hidestyle = HiddenChunkStyle.FILL_AIR;
@ -177,17 +182,15 @@ public class LegacyMapChunkCache implements MapChunkCache {
public LegacyMapChunkCache() {
}
/**
* 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
* Set chunks to load, and world to load from
*/
@SuppressWarnings({ "unchecked" })
public void loadChunks(World w, DynmapChunk[] chunks) {
@SuppressWarnings({ "rawtypes", "unchecked" })
public void setChunks(World w, List<DynmapChunk> chunks) {
this.w = w;
this.chunks = chunks;
/* Compute range */
if(chunks.length == 0) {
if(chunks.size() == 0) {
this.x_min = 0;
this.x_max = 0;
this.z_min = 0;
@ -195,17 +198,17 @@ public class LegacyMapChunkCache implements MapChunkCache {
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_min = x_max = chunks.get(0).x;
z_min = z_max = chunks.get(0).z;
for(DynmapChunk c : chunks) {
if(c.x > x_max)
x_max = c.x;
if(c.x < x_min)
x_min = c.x;
if(c.z > z_max)
z_max = c.z;
if(c.z < z_min)
z_min = c.z;
}
x_dim = x_max - x_min + 1;
}
@ -238,9 +241,17 @@ public class LegacyMapChunkCache implements MapChunkCache {
}
}
snaparray = new LegacyChunkSnapshot[x_dim * (z_max-z_min+1)];
if(gethandle != null) {
// Load the required chunks.
for (DynmapChunk chunk : chunks) {
}
public int loadChunks(int max_to_load) {
int cnt = 0;
if(iterator == null)
iterator = chunks.listIterator();
// Load the required chunks.
while((cnt < max_to_load) && iterator.hasNext()) {
DynmapChunk chunk = iterator.next();
if(gethandle != null) {
boolean vis = true;
if(visible_limits != null) {
vis = false;
@ -302,12 +313,25 @@ public class LegacyMapChunkCache implements MapChunkCache {
}
}
}
cnt++;
}
/* Fill missing chunks with empty dummy chunk */
for(int i = 0; i < snaparray.length; i++) {
if(snaparray[i] == null)
snaparray[i] = EMPTY;
/* If done, finish table */
if(iterator.hasNext() == false) {
/* Fill missing chunks with empty dummy chunk */
for(int i = 0; i < snaparray.length; i++) {
if(snaparray[i] == null)
snaparray[i] = EMPTY;
}
}
return cnt;
}
/**
* Test if done loading
*/
public boolean isDoneLoading() {
if(iterator != null)
return !iterator.hasNext();
return false;
}
/**
* Unload chunks