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Code Issues Activity

send basic skylight data

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p2r3
2025-08-17 02:18:10 +03:00
parent 982d260a92
commit bcca0c5abf
1 changed files with 17 additions and 3 deletions
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20
src/packets.c
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@@ -285,8 +285,9 @@ int sc_setCenterChunk (int client_fd, int x, int y) {
int sc_chunkDataAndUpdateLight (int client_fd, int _x, int _z) {
const int chunk_data_size = (4101 + sizeVarInt(256) + sizeof(network_block_palette)) * 20 + 6 * 12;
const int light_data_size = 14 + (sizeVarInt(2048) + 2048) * 26;
writeVarInt(client_fd, 17 + sizeVarInt(chunk_data_size) + chunk_data_size);
writeVarInt(client_fd, 11 + sizeVarInt(chunk_data_size) + chunk_data_size + light_data_size);
writeByte(client_fd, 0x27);
writeUint32(client_fd, _x);
@@ -341,12 +342,25 @@ int sc_chunkDataAndUpdateLight (int client_fd, int _x, int _z) {
writeVarInt(client_fd, 0); // omit block entities
// light data
writeVarInt(client_fd, 0);
writeVarInt(client_fd, 1);
writeUint64(client_fd, 0b11111111111111111111111111);
writeVarInt(client_fd, 0);
writeVarInt(client_fd, 0);
writeVarInt(client_fd, 0);
writeVarInt(client_fd, 0);
// sky light array
writeVarInt(client_fd, 26);
for (int i = 0; i < 2048; i ++) chunk_section[i] = 0xFF;
for (int i = 2048; i < 4096; i ++) chunk_section[i] = 0;
for (int i = 0; i < 8; i ++) {
writeVarInt(client_fd, 2048);
send(client_fd, chunk_section + 2048, 2048, 0);
}
for (int i = 0; i < 18; i ++) {
writeVarInt(client_fd, 2048);
send(client_fd, chunk_section, 2048, 0);
}
// don't send block light
writeVarInt(client_fd, 0);
return 0;