exchange block updates with clients

[blank.git] / doc / protocol

diff --git a/doc/protocol b/doc/protocol
index 4dc245f1be0981a4669240dda0d98ecb390b8d0e..3347158e516ff7b567dbd101e65535d7213f3378 100644 (file)
--- a/doc/protocol
+++ b/doc/protocol
@@ -90,8 +90,13 @@ Sent by clients to notify the server of their changes to the player.
 
 Code: 4
 Payload:
-        0 entity state of the player as seen by the client
-Length: 64
+        0 player's entity state as predicted by the client
+       64 movement input, 3x 16bit signed int, each component mapped from [-1,1] to [-32767,32767]
+       70 pitch input, 16bit signed int, mapped from [-PI/2,PI/2] to [-32767,32767]
+       72 yaw input, 16bit signed int, mapped from [-PI,PI] to [-32767,32767]
+       74 active actions, 8bit bit field, first three bits are primary, secondary, and tertiary
+       75 selected inventory slot, 8bit unsigned int
+Length: 76
 
 
 Spawn Entity
@@ -134,7 +139,7 @@ Payload:
         4 entity ID, 32bit unsigned int
         8 entity state
        72 next entity...
-Length: 4 + multiple of 68, max 452
+Length: 4 + multiple of 68, max 480
 
 
 Player Correction
@@ -176,3 +181,18 @@ Payload:
         8 block size, size of the data block, 32bit unsigned int
        12 data, raw data
 Length: 12-484
+
+
+Block Update
+------------
+
+Sent by the server whenever one or more block in a chunk have changed.
+
+Code: 11
+Payload:
+        0 chunk coordinates, vec3i
+       12 number of blocks, 32bit unsigned int, 1-78
+       16 first block index, 16bit unsigned int
+       18 first block data, 32bit
+       22 second block index...
+Length: 16 + multiple of 6, max 484