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Make starlight light read non-fatal if it throws

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Brings behavior in line with the mod, we shouldn't kill the chunk
if the light data is corrupt, we can regenerate the light data
This commit is contained in:
Spottedleaf 2022-06-10 21:08:37 -07:00
parent 91cf4f0392
commit 1c4ca26d6e
1 changed files with 11 additions and 0 deletions
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11
patches/server/Rewrite-the-light-engine.patch
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@ -5097,7 +5097,9 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
- if (!flag2) {
+ // Paper start - rewrite the light engine
+ if (flag) {
+ try {
+ if ((flag3 || flag4) && !flag2) {
+ // Paper end - rewrite the light engine
tasksToExecuteOnMain.add(() -> { // Paper - delay this task since we're executing off-main
lightengine.retainData(chunkPos, true);
}); // Paper - delay this task since we're executing off-main
@ -5112,11 +5114,13 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
- lightengine.queueSectionData(LightLayer.BLOCK, SectionPos.of(chunkPos, b0), blockLight, true);
- });
- // Paper end - delay this task since we're executing off-main
+ // Paper start - rewrite the light engine
+ // this is where our diff is
+ blockNibbles[y - minSection] = new ca.spottedleaf.starlight.common.light.SWMRNibbleArray(sectionData.getByteArray("BlockLight").clone(), sectionData.getInt(BLOCKLIGHT_STATE_TAG)); // clone for data safety
+ } else {
+ blockNibbles[y - minSection] = new ca.spottedleaf.starlight.common.light.SWMRNibbleArray(null, sectionData.getInt(BLOCKLIGHT_STATE_TAG));
}
+ // Paper end - rewrite the light engine
if (flag4) {
- // Paper start - delay this task since we're executing off-main
@ -5125,6 +5129,7 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
- lightengine.queueSectionData(LightLayer.SKY, SectionPos.of(chunkPos, b0), skyLight, true);
- });
- // Paper end - delay this task since we're executing off-mai
+ // Paper start - rewrite the light engine
+ // we store under the same key so mod programs editing nbt
+ // can still read the data, hopefully.
+ // however, for compatibility we store chunks as unlit so vanilla
@ -5134,6 +5139,12 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
+ } else {
+ skyNibbles[y - minSection] = new ca.spottedleaf.starlight.common.light.SWMRNibbleArray(null, sectionData.getInt(SKYLIGHT_STATE_TAG));
}
+ // Paper end - rewrite the light engine
+ // Paper start - rewrite the light engine
+ } catch (Exception ex) {
+ LOGGER.warn("Failed to load light data for chunk " + chunkPos + " in world '" + world.getWorld().getName() + "', light will be regenerated", ex);
+ flag = false;
+ }
+ // Paper end - rewrite light engine
}
}