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Create light packet slightly more dynamically.

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This commit is contained in:
Matt Worzala 2021-06-06 16:46:03 -04:00
parent 4d5f8cf468
commit 9de6c5aa8f
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GPG Key ID: 439DBBE092854841
1 changed files with 17 additions and 7 deletions
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24
src/main/java/net/minestom/server/instance/Chunk.java
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@ -385,20 +385,30 @@ public abstract class Chunk implements Viewable, Tickable, DataContainer {
@NotNull @NotNull
public UpdateLightPacket getLightPacket() { public UpdateLightPacket getLightPacket() {
// TODO do not hardcode light // TODO do not hardcode light
// Creates a light packet for the given number of sections with all block light at max and no sky light.
UpdateLightPacket updateLightPacket = new UpdateLightPacket(getIdentifier(), getLastChangeTime()); UpdateLightPacket updateLightPacket = new UpdateLightPacket(getIdentifier(), getLastChangeTime());
updateLightPacket.chunkX = getChunkX(); updateLightPacket.chunkX = getChunkX();
updateLightPacket.chunkZ = getChunkZ(); updateLightPacket.chunkZ = getChunkZ();
//updateLightPacket.skyLightMask = 0b111111111111111111;
//updateLightPacket.emptySkyLightMask = 0b000000000000000000; final int sectionCount = 16 + 2; //todo
//updateLightPacket.blockLightMask = 0b000000000000000000; final int maskLength = (int) Math.ceil((double) sectionCount / 64);
//updateLightPacket.emptyBlockLightMask = 0b111111111111111111;
updateLightPacket.skyLightMask = new long[maskLength];
updateLightPacket.blockLightMask = new long[maskLength];
updateLightPacket.emptySkyLightMask = new long[maskLength];
updateLightPacket.emptyBlockLightMask = new long[maskLength];
// Set all block light and no sky light
Arrays.fill(updateLightPacket.blockLightMask, -1L);
Arrays.fill(updateLightPacket.emptySkyLightMask, -1L);
byte[] bytes = new byte[2048]; byte[] bytes = new byte[2048];
Arrays.fill(bytes, (byte) 0xFF); Arrays.fill(bytes, (byte) 0xFF);
final List<byte[]> temp = new ArrayList<>(18); final List<byte[]> temp = new ArrayList<>(sectionCount);
for (int i = 0; i < 18; ++i) { for (int i = 0; i < sectionCount; ++i) {
temp.add(bytes); temp.add(bytes);
} }
//updateLightPacket.skyLight = temp; updateLightPacket.blockLight = temp;
return updateLightPacket; return updateLightPacket;
} }