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sync block light to the client (kinda)

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p2r3
2025-08-24 22:28:03 +03:00
parent 549745516f
commit 623f7765d7
2 changed files with 12 additions and 0 deletions
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11
src/packets.c
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@@ -367,6 +367,17 @@ int sc_chunkDataAndUpdateLight (int client_fd, int _x, int _z) {
// don't send block light
writeVarInt(client_fd, 0);
// Sending block updates changes light prediciton on the client.
// Light-emitting blocks are omitted from chunk data so that they can
// be overlayed here. This seems to be cheaper than sending actual
// block light data.
for (int i = 0; i < block_changes_count; i ++) {
if (block_changes[i].block != B_torch) continue;
if (block_changes[i].x < x || block_changes[i].x >= x + 16) continue;
if (block_changes[i].z < z || block_changes[i].z >= z + 16) continue;
sc_blockUpdate(client_fd, block_changes[i].x, block_changes[i].y, block_changes[i].z, B_torch);
}
return 0;
}