Function MSG_WriteDeltaUsercmdKey

codemp/qcommon/msg.cpp:688–726

===================== MSG_WriteDeltaUsercmdKey ===================== */

=====================
*/
void MSG_WriteDeltaUsercmdKey( msg_t *msg, int key, usercmd_t *from, usercmd_t *to ) {
	if ( to->serverTime - from->serverTime < 256 ) {
		MSG_WriteBits( msg, 1, 1 );
		MSG_WriteBits( msg, to->serverTime - from->serverTime, 8 );
	} else {
		MSG_WriteBits( msg, 0, 1 );
		MSG_WriteBits( msg, to->serverTime, 32 );
	}
	if (from->angles[0] == to->angles[0] &&
		from->angles[1] == to->angles[1] &&
		from->angles[2] == to->angles[2] &&
		from->forwardmove == to->forwardmove &&
		from->rightmove == to->rightmove &&
		from->upmove == to->upmove &&
		from->buttons == to->buttons &&
		from->weapon == to->weapon &&
		from->forcesel == to->forcesel &&
		from->invensel == to->invensel &&
		from->generic_cmd == to->generic_cmd) {
			MSG_WriteBits( msg, 0, 1 );				// no change
			oldsize += 7;
			return;
	}
	key ^= to->serverTime;
	MSG_WriteBits( msg, 1, 1 );
	MSG_WriteDeltaKey( msg, key, from->angles[0], to->angles[0], 16 );
	MSG_WriteDeltaKey( msg, key, from->angles[1], to->angles[1], 16 );
	MSG_WriteDeltaKey( msg, key, from->angles[2], to->angles[2], 16 );
	MSG_WriteDeltaKey( msg, key, from->forwardmove, to->forwardmove, 8 );
	MSG_WriteDeltaKey( msg, key, from->rightmove, to->rightmove, 8 );
	MSG_WriteDeltaKey( msg, key, from->upmove, to->upmove, 8 );
	MSG_WriteDeltaKey( msg, key, from->buttons, to->buttons, 16 );
	MSG_WriteDeltaKey( msg, key, from->weapon, to->weapon, 8 );

	MSG_WriteDeltaKey( msg, key, from->forcesel, to->forcesel, 8 );
	MSG_WriteDeltaKey( msg, key, from->invensel, to->invensel, 8 );

	MSG_WriteDeltaKey( msg, key, from->generic_cmd, to->generic_cmd, 8 );
}

/*
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