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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 entity {
uint32 index = 1;
coords chunk_pos = 2;
vec3 local_pos = 3;
}
message animate {
entity entity = 1;
uint32 commands = 2;
angles viewangles = 3;
vec3 velocity = 4;
uint32 active_item = 5;
}
message item {
uint32 index = 1; // in inventory
uint32 type = 2;
uint32 quantity = 3;
}
message item_array {
repeated item items = 1;
}
message player {
animate animate = 1;
item_array inventory = 2;
}
// END STRUCTS
// PACKETS
message auth {
string username = 1;
string password = 2;
}
message init {
uint64 seed = 1;
int32 draw_distance = 2;
player localplayer = 3;
uint32 tickrate = 4;
uint32 tick = 5;
}
message move {
uint32 commands = 1;
angles viewangles = 2;
uint32 active_item = 3;
uint32 sequence = 4;
}
message remove_entity {
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 active_item = 3;
}
message remove_block {
coords chunk_pos = 1;
ivec3 block_pos = 2;
}
message server_message {
string message = 1;
bool fatal = 2;
}
message item_swap { // client sent, swap items in an array of items
uint32 index_a = 1;
uint32 index_b = 2;
}
message item_use { // client sent, uses an item
uint32 index = 1;
}
message item_update { // server sent, reflects any inventory changes
repeated item items = 1;
}
message animate_update {
animate animate = 1;
uint32 tick = 2;
optional uint32 sequence = 3;
}
// END OF PACKETS
// Actual thing we read.
message packet {
oneof contents {
auth auth_packet = 1;
init init_packet = 2;
move move_packet = 3;
animate_update animate_update_packet = 4;
remove_entity remove_entity_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;
item_swap item_swap_packet = 14;
item_use item_use_packet = 16;
item_update item_update_packet = 15;
}
}
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