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More protection against exceptions for blocks at top of world

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This commit is contained in:
Mike Primm 2012-05-23 08:13:47 -05:00
parent fc451fd002
commit 96673f0fb3
1 changed files with 27 additions and 9 deletions
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36
src/main/java/org/dynmap/bukkit/NewMapChunkCache.java
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@ -101,16 +101,21 @@ public class NewMapChunkCache implements MapChunkCache {
exceptions++;
}
laststep = BlockStep.Y_MINUS;
typeid = blkdata = -1;
if((y >= 0) && (y < worldheight))
typeid = blkdata = -1;
else
typeid = blkdata = 0;
}
public final int getBlockTypeID() {
if(typeid < 0)
if(typeid < 0) {
typeid = snap.getBlockTypeId(bx, y, bz);
}
return typeid;
}
public final int getBlockData() {
if(blkdata < 0)
if(blkdata < 0) {
blkdata = snap.getBlockData(bx, y, bz);
}
return blkdata;
}
public int getBlockSkyLight() {
@ -353,6 +358,8 @@ public class NewMapChunkCache implements MapChunkCache {
* Step current position in given direction
*/
public final void stepPosition(BlockStep step) {
typeid = -1;
blkdata = -1;
switch(step.ordinal()) {
case 0:
x++;
@ -372,6 +379,9 @@ public class NewMapChunkCache implements MapChunkCache {
break;
case 1:
y++;
if(y >= worldheight) {
typeid = blkdata = 0;
}
break;
case 2:
z++;
@ -407,6 +417,9 @@ public class NewMapChunkCache implements MapChunkCache {
break;
case 4:
y--;
if(y < 0) {
typeid = blkdata = 0;
}
break;
case 5:
z--;
@ -426,8 +439,6 @@ public class NewMapChunkCache implements MapChunkCache {
break;
}
laststep = step;
typeid = -1;
blkdata = -1;
}
/**
* Unstep current position to previous position
@ -449,8 +460,12 @@ public class NewMapChunkCache implements MapChunkCache {
else
laststep = BlockStep.Y_MINUS;
this.y = y;
typeid = -1;
blkdata = -1;
if((y < 0) || (y >= worldheight)) {
typeid = blkdata = 0;
}
else {
typeid = blkdata = -1;
}
}
public final int getX() {
return x;
@ -493,9 +508,12 @@ public class NewMapChunkCache implements MapChunkCache {
}
@Override
public final boolean isEmptySection() {
if(isSectionNotEmpty[chunkindex] == null)
try {
return !isSectionNotEmpty[chunkindex][y >> 4];
} catch (Exception x) {
initSectionData(chunkindex);
return !isSectionNotEmpty[chunkindex][y >> 4];
return !isSectionNotEmpty[chunkindex][y >> 4];
}
}
}