alexander.nutz/barecopper
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ensure all bytes are sent on non-blocking socket

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p2r3
2025-08-20 05:08:57 +03:00
parent 48b6c7cfb4
commit 023b866529
3 changed files with 47 additions and 22 deletions
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32
src/packets.c
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@@ -60,9 +60,9 @@ int sc_loginSuccess (int client_fd, uint8_t *uuid, char *name) {
uint8_t name_length = strlen(name);
writeVarInt(client_fd, 1 + 16 + sizeVarInt(name_length) + name_length + 1);
writeVarInt(client_fd, 0x02);
send(client_fd, uuid, 16, 0);
send_all(client_fd, uuid, 16);
writeVarInt(client_fd, name_length);
send(client_fd, name, name_length, 0);
send_all(client_fd, name, name_length);
writeVarInt(client_fd, 0);
return 0;
@@ -115,7 +115,7 @@ int sc_knownPacks (int client_fd) {
0x2e, 0x38
};
writeVarInt(client_fd, 24);
send(client_fd, &known_packs, 24, 0);
send_all(client_fd, &known_packs, 24);
return 0;
}
@@ -148,14 +148,14 @@ int sc_loginPlay (int client_fd) {
writeByte(client_fd, 0x2B);
// entity id
uint32_t entity_id = getClientIndex(client_fd);
send(client_fd, &entity_id, 4, 0);
send_all(client_fd, &entity_id, 4);
// hardcore
writeByte(client_fd, false);
// dimensions
writeVarInt(client_fd, 1);
writeVarInt(client_fd, 19);
const char *dimension = "minecraft:overworld";
send(client_fd, dimension, 19, 0);
send_all(client_fd, dimension, 19);
// maxplayers
writeVarInt(client_fd, MAX_PLAYERS);
// view distance
@@ -172,7 +172,7 @@ int sc_loginPlay (int client_fd) {
writeVarInt(client_fd, 0);
// dimension name
writeVarInt(client_fd, 19);
send(client_fd, dimension, 19, 0);
send_all(client_fd, dimension, 19);
// hashed seed
writeUint64(client_fd, 0x0123456789ABCDEF);
// gamemode
@@ -318,10 +318,10 @@ int sc_chunkDataAndUpdateLight (int client_fd, int _x, int _z) {
writeByte(client_fd, 8); // bits per entry
writeVarInt(client_fd, 256); // block palette length
// block palette as varint buffer
send(client_fd, network_block_palette, sizeof(network_block_palette), 0);
send_all(client_fd, network_block_palette, sizeof(network_block_palette));
// chunk section buffer
buildChunkSection(x, y, z);
send(client_fd, chunk_section, 4096, 0);
send_all(client_fd, chunk_section, 4096);
// biome data
writeByte(client_fd, 0); // bits per entry
writeByte(client_fd, W_plains); // biome palette
@@ -355,11 +355,11 @@ int sc_chunkDataAndUpdateLight (int client_fd, int _x, int _z) {
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);
send_all(client_fd, chunk_section + 2048, 2048);
}
for (int i = 0; i < 18; i ++) {
writeVarInt(client_fd, 2048);
send(client_fd, chunk_section, 2048, 0);
send_all(client_fd, chunk_section, 2048);
}
// don't send block light
writeVarInt(client_fd, 0);
@@ -472,7 +472,7 @@ int sc_openScreen (int client_fd, uint8_t window, const char *title, uint16_t le
writeByte(client_fd, 8); // string nbt tag
writeUint16(client_fd, length); // string length
send(client_fd, title, length, 0);
send_all(client_fd, title, length);
return 0;
}
@@ -716,10 +716,10 @@ int sc_playerInfoUpdateAddPlayer (int client_fd, PlayerData player) {
writeByte(client_fd, 1); // Player count (1 per packet)
// Player UUID
send(client_fd, player.uuid, 16, 0);
send_all(client_fd, player.uuid, 16);
// Player name
writeByte(client_fd, strlen(player.name));
send(client_fd, player.name, strlen(player.name), 0);
send_all(client_fd, player.name, strlen(player.name));
// Properties (don't send any)
writeByte(client_fd, 0);
@@ -738,7 +738,7 @@ int sc_spawnEntity (
writeByte(client_fd, 0x01);
writeVarInt(client_fd, id); // Entity ID
send(client_fd, uuid, 16, 0); // Entity UUID
send_all(client_fd, uuid, 16); // Entity UUID
writeVarInt(client_fd, type); // Entity type
// Position
@@ -837,10 +837,10 @@ int sc_updateEntityRotation (int client_fd, int id, uint8_t yaw, uint8_t pitch)
int sc_registries (int client_fd) {
printf("Sending Registries\n\n");
send(client_fd, registries_bin, sizeof(registries_bin), 0);
send_all(client_fd, registries_bin, sizeof(registries_bin));
printf("Sending Tags\n\n");
send(client_fd, tags_bin, sizeof(tags_bin), 0);
send_all(client_fd, tags_bin, sizeof(tags_bin));
return 0;