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Create sections for chunk conversion if non-existant

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Required to add in the new biome sections
This commit is contained in:
Spottedleaf 2021-12-18 01:04:00 -08:00
parent 358ceb80a5
commit 8c189d0faf
1 changed files with 53 additions and 52 deletions
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105
patches/server/0781-Rewrite-dataconverter-system.patch
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@ -15313,10 +15313,10 @@ index 0000000000000000000000000000000000000000..d28ade80499dce882a9a84309a2a0da5
+}
diff --git a/src/main/java/ca/spottedleaf/dataconverter/minecraft/versions/V2832.java b/src/main/java/ca/spottedleaf/dataconverter/minecraft/versions/V2832.java
new file mode 100644
index 0000000000000000000000000000000000000000..6a975a5e69f4aad4b65aaf1300b5136d72ea6499
index 0000000000000000000000000000000000000000..b1049823fc2ff1c8183f4664ff4d40da6495f9ee
--- /dev/null
+++ b/src/main/java/ca/spottedleaf/dataconverter/minecraft/versions/V2832.java
@@ -0,0 +1,919 @@
@@ -0,0 +1,920 @@
+package ca.spottedleaf.dataconverter.minecraft.versions;
+
+import ca.spottedleaf.dataconverter.converters.DataConverter;
@ -15710,73 +15710,74 @@ index 0000000000000000000000000000000000000000..6a975a5e69f4aad4b65aaf1300b5136d
+ final MapType<String>[] newBiomes = createBiomeSections(level, isOverworld, minSection, isAlreadyExtended);
+ final MapType<String> wrappedEmptyBlockPalette = getEmptyBlockPalette();
+
+ final ListType sections = level.getList("Sections", ObjectType.MAP);
+ ListType sections = level.getList("Sections", ObjectType.MAP);
+ if (sections == null) {
+ level.setList("Sections", sections = Types.NBT.createEmptyList());
+ }
+
+ // must update sections for two things:
+ // 1. the biomes are now stored per section, so we must insert the biomes palette into each section (and create them if they don't exist)
+ // 2. each section must now have block states (or at least DFU is ensuring they do, but current code does not require)
+ V2841.SimplePaletteReader bottomSection = null;
+ final Set<String> allBlocks = new HashSet<>();
+ if (sections != null) {
+ final IntOpenHashSet existingSections = new IntOpenHashSet();
+ final IntOpenHashSet existingSections = new IntOpenHashSet();
+
+ for (int i = 0, len = sections.size(); i < len; ++i) {
+ final MapType<String> section = sections.getMap(i);
+ for (int i = 0, len = sections.size(); i < len; ++i) {
+ final MapType<String> section = sections.getMap(i);
+
+ final int y = section.getInt("Y");
+ final int sectionIndex = y - minSection;
+ final int y = section.getInt("Y");
+ final int sectionIndex = y - minSection;
+
+ existingSections.add(y);
+ existingSections.add(y);
+
+ // add in relevant biome section
+ if (sectionIndex >= 0 && sectionIndex < newBiomes.length) {
+ // exclude out of bounds sections (i.e the light sections above and below the world)
+ section.setMap("biomes", newBiomes[sectionIndex]);
+ }
+ // add in relevant biome section
+ if (sectionIndex >= 0 && sectionIndex < newBiomes.length) {
+ // exclude out of bounds sections (i.e the light sections above and below the world)
+ section.setMap("biomes", newBiomes[sectionIndex]);
+ }
+
+ // update palette
+ final ListType palette = section.getList("Palette", ObjectType.MAP);
+ final long[] blockStates = section.getLongs("BlockStates");
+ // update palette
+ final ListType palette = section.getList("Palette", ObjectType.MAP);
+ final long[] blockStates = section.getLongs("BlockStates");
+
+ section.remove("Palette");
+ section.remove("BlockStates");
+ section.remove("Palette");
+ section.remove("BlockStates");
+
+ if (palette != null) {
+ for (int j = 0, len2 = palette.size(); j < len2; ++j) {
+ allBlocks.add(V2841.getBlockId(palette.getMap(j)));
+ }
+ }
+
+ final MapType<String> palettedContainer;
+ if (palette != null && blockStates != null) {
+ // only if both exist, same as DFU, same as legacy chunk loading code
+ section.setMap("block_states", palettedContainer = wrapPaletteOptimised(palette, blockStates));
+ } else {
+ section.setMap("block_states", palettedContainer = wrappedEmptyBlockPalette.copy()); // must write a palette now, copy so that later edits do not edit them all
+ }
+
+ if (section.getInt("Y", Integer.MAX_VALUE) == 0) {
+ bottomSection = new V2841.SimplePaletteReader(palettedContainer.getList("palette", ObjectType.MAP), palettedContainer.getLongs("data"));
+ if (palette != null) {
+ for (int j = 0, len2 = palette.size(); j < len2; ++j) {
+ allBlocks.add(V2841.getBlockId(palette.getMap(j)));
+ }
+ }
+
+ // all existing sections updated, now we must create new sections just for the biomes migration
+ for (int sectionIndex = 0; sectionIndex < newBiomes.length; ++sectionIndex) {
+ final int sectionY = sectionIndex + minSection;
+ if (!existingSections.add(sectionY)) {
+ // exists already
+ continue;
+ }
+
+ final MapType<String> newSection = Types.NBT.createEmptyMap();
+ sections.addMap(newSection);
+
+ newSection.setByte("Y", (byte)sectionY);
+ // must write a palette now, copy so that later edits do not edit them all
+ newSection.setMap("block_states", wrappedEmptyBlockPalette.copy());
+
+ newSection.setGeneric("biomes", newBiomes[sectionIndex]);
+ final MapType<String> palettedContainer;
+ if (palette != null && blockStates != null) {
+ // only if both exist, same as DFU, same as legacy chunk loading code
+ section.setMap("block_states", palettedContainer = wrapPaletteOptimised(palette, blockStates));
+ } else {
+ section.setMap("block_states", palettedContainer = wrappedEmptyBlockPalette.copy()); // must write a palette now, copy so that later edits do not edit them all
+ }
+
+ if (section.getInt("Y", Integer.MAX_VALUE) == 0) {
+ bottomSection = new V2841.SimplePaletteReader(palettedContainer.getList("palette", ObjectType.MAP), palettedContainer.getLongs("data"));
+ }
+ }
+
+ // all existing sections updated, now we must create new sections just for the biomes migration
+ for (int sectionIndex = 0; sectionIndex < newBiomes.length; ++sectionIndex) {
+ final int sectionY = sectionIndex + minSection;
+ if (!existingSections.add(sectionY)) {
+ // exists already
+ continue;
+ }
+
+ final MapType<String> newSection = Types.NBT.createEmptyMap();
+ sections.addMap(newSection);
+
+ newSection.setByte("Y", (byte)sectionY);
+ // must write a palette now, copy so that later edits do not edit them all
+ newSection.setMap("block_states", wrappedEmptyBlockPalette.copy());
+
+ newSection.setGeneric("biomes", newBiomes[sectionIndex]);
+ }
+
+ // update status so interpolation can take place