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syntax = "proto3";
package proto;
// STRUCTS
message angles {
float pitch = 1;
float yaw = 2;
}
message coords {
int32 x = 1;
int32 z = 2;
}
message vec3 {
float x = 1;
float y = 2;
float z = 3;
}
message ivec3 {
int32 x = 1;
int32 y = 2;
int32 z = 3;
}
message player {
uint32 index = 1;
uint32 commands = 2;
coords chunk_pos = 3;
vec3 local_pos = 4;
angles viewangles = 5;
vec3 velocity = 6;
}
// END OF STRUCTS
// PACKETS
message auth {
string username = 1;
string password = 2;
}
message init {
uint64 seed = 1;
int32 draw_distance = 2;
player localplayer = 3;
}
message move {
uint32 commands = 1;
angles viewangles = 2;
}
message remove_player {
uint32 index = 1;
}
message say {
string text = 1;
}
message hear_player {
uint32 index = 1;
string text = 2;
}
message request_chunk {
coords chunk_pos = 1;
}
message remove_chunk {
coords chunk_pos = 1;
}
message chunk {
coords chunk_pos = 1;
// There is no uint8, so we have to pack four blocks into each uint32.
repeated uint32 blocks = 2 [packed = true];
}
message add_block {
coords chunk_pos = 1;
ivec3 block_pos = 2;
// A bit inefficient as we only need 8 bits. We could use the rest for other
// stuff down the road.
uint32 block = 3;
}
message remove_block {
coords chunk_pos = 1;
ivec3 block_pos = 2;
}
message server_message {
string message = 1;
bool fatal = 2;
}
// END OF PACKETS
// Actual thing we read.
message packet {
oneof contents {
auth auth_packet = 1;
init init_packet = 2;
move move_packet = 3;
player player_packet = 4;
remove_player remove_player_packet = 5;
say say_packet = 6;
hear_player hear_player_packet = 7;
request_chunk request_chunk_packet = 8;
chunk chunk_packet = 9;
remove_chunk remove_chunk_packet = 10;
add_block add_block_packet = 11;
remove_block remove_block_packet = 12;
server_message server_message_packet = 13;
}
}
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