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Support negative MCA file sections

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This commit is contained in:
cyberpwn
2022-01-12 08:12:19 -05:00
parent 5fa1efb1f2
commit 6c2b65055b
1 changed files with 11 additions and 16 deletions
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src/main/java/com/volmit/iris/util/nbt/mca/Chunk.java
+11 -16
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@@ -20,6 +20,7 @@ package com.volmit.iris.util.nbt.mca;
import com.volmit.iris.Iris; import com.volmit.iris.Iris;
import com.volmit.iris.core.nms.INMS; import com.volmit.iris.core.nms.INMS;
import com.volmit.iris.util.collection.KMap;
import com.volmit.iris.util.nbt.io.NBTDeserializer; import com.volmit.iris.util.nbt.io.NBTDeserializer;
import com.volmit.iris.util.nbt.io.NBTSerializer; import com.volmit.iris.util.nbt.io.NBTSerializer;
import com.volmit.iris.util.nbt.io.NamedTag; import com.volmit.iris.util.nbt.io.NamedTag;
@@ -39,7 +40,7 @@ import static com.volmit.iris.util.nbt.mca.LoadFlags.*;
public class Chunk { public class Chunk {
public static final int DEFAULT_DATA_VERSION = 2730; public static final int DEFAULT_DATA_VERSION = 2730;
private final AtomicReferenceArray<Section> sections = new AtomicReferenceArray<>(16); private final KMap<Integer, Section> sections = new KMap<>();
private boolean partial; private boolean partial;
private int lastMCAUpdate; private int lastMCAUpdate;
private CompoundTag data; private CompoundTag data;
@@ -151,7 +152,7 @@ public class Chunk {
if(newSection.isEmpty()) { if(newSection.isEmpty()) {
continue; continue;
} }
sections.set(sectionIndex, newSection); sections.put(sectionIndex, newSection);
} }
} }
@@ -272,10 +273,6 @@ public class Chunk {
public CompoundTag getBlockStateAt(int blockX, int blockY, int blockZ) { public CompoundTag getBlockStateAt(int blockX, int blockY, int blockZ) {
int s = MCAUtil.blockToChunk(blockY); int s = MCAUtil.blockToChunk(blockY);
if(sections.length() <= s) {
return null;
}
Section section = sections.get(s); Section section = sections.get(s);
if(section == null) { if(section == null) {
return null; return null;
@@ -303,14 +300,10 @@ public class Chunk {
public void setBlockStateAt(int blockX, int blockY, int blockZ, CompoundTag state, boolean cleanup) { public void setBlockStateAt(int blockX, int blockY, int blockZ, CompoundTag state, boolean cleanup) {
int sectionIndex = MCAUtil.blockToChunk(blockY); int sectionIndex = MCAUtil.blockToChunk(blockY);
if(sections.length() <= sectionIndex) {
return;
}
Section section = sections.get(sectionIndex); Section section = sections.get(sectionIndex);
if(section == null) { if(section == null) {
section = Section.newSection(); section = Section.newSection();
sections.set(sectionIndex, section); sections.put(sectionIndex, section);
} }
section.setBlockStateAt(blockX, blockY, blockZ, state, cleanup); section.setBlockStateAt(blockX, blockY, blockZ, state, cleanup);
} }
@@ -387,7 +380,7 @@ public class Chunk {
* The section to be set. * The section to be set.
*/ */
public void setSection(int sectionY, Section section) { public void setSection(int sectionY, Section section) {
sections.set(sectionY, section); sections.put(sectionY, section);
} }
/** /**
@@ -616,8 +609,7 @@ public class Chunk {
} }
public void cleanupPalettesAndBlockStates() { public void cleanupPalettesAndBlockStates() {
for(int i = 0; i < sections.length(); i++) { for(Section section : sections.values()) {
Section section = sections.get(i);
if(section != null) { if(section != null) {
section.cleanupPaletteAndBlockStates(); section.cleanupPaletteAndBlockStates();
} }
@@ -645,16 +637,19 @@ public class Chunk {
level.putString("Status", status); level.putString("Status", status);
if(structures != null) level.put("Structures", structures); if(structures != null) level.put("Structures", structures);
ListTag<CompoundTag> sections = new ListTag<>(CompoundTag.class); ListTag<CompoundTag> sections = new ListTag<>(CompoundTag.class);
for(int i = 0; i < this.sections.length(); i++) {
for(int i : this.sections.keySet())
{
if(this.sections.get(i) != null) { if(this.sections.get(i) != null) {
sections.add(this.sections.get(i).updateHandle(i)); sections.add(this.sections.get(i).updateHandle(i));
} }
} }
level.put("Sections", sections); level.put("Sections", sections);
return data; return data;
} }
public int sectionCount() { public int sectionCount() {
return sections.length(); return sections.size();
} }
} }