mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-25 05:41:20 +00:00
130 lines
3 KiB
C
130 lines
3 KiB
C
/*
|
|
msg.c
|
|
|
|
(description)
|
|
|
|
Copyright (C) 1996-1997 Id Software, Inc.
|
|
|
|
This program is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU General Public License
|
|
as published by the Free Software Foundation; either version 2
|
|
of the License, or (at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
|
|
|
See the GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to:
|
|
|
|
Free Software Foundation, Inc.
|
|
59 Temple Place - Suite 330
|
|
Boston, MA 02111-1307, USA
|
|
|
|
*/
|
|
#ifdef HAVE_CONFIG_H
|
|
# include "config.h"
|
|
#endif
|
|
|
|
static __attribute__ ((used)) const char rcsid[] =
|
|
"$Id$";
|
|
|
|
#ifdef HAVE_STRING_H
|
|
# include <string.h>
|
|
#endif
|
|
#ifdef HAVE_STRINGS_H
|
|
# include <strings.h>
|
|
#endif
|
|
|
|
#include "QF/msg.h"
|
|
#include "QF/qendian.h"
|
|
#include "QF/sys.h"
|
|
|
|
#include "qw/msg_ucmd.h"
|
|
#include "qw/protocol.h"
|
|
|
|
struct usercmd_s nullcmd;
|
|
|
|
void
|
|
MSG_WriteDeltaUsercmd (sizebuf_t *buf, usercmd_t *from, usercmd_t *cmd)
|
|
{
|
|
int bits;
|
|
|
|
// send the movement message
|
|
bits = 0;
|
|
if (cmd->angles[0] != from->angles[0])
|
|
bits |= CM_ANGLE1;
|
|
if (cmd->angles[1] != from->angles[1])
|
|
bits |= CM_ANGLE2;
|
|
if (cmd->angles[2] != from->angles[2])
|
|
bits |= CM_ANGLE3;
|
|
if (cmd->forwardmove != from->forwardmove)
|
|
bits |= CM_FORWARD;
|
|
if (cmd->sidemove != from->sidemove)
|
|
bits |= CM_SIDE;
|
|
if (cmd->upmove != from->upmove)
|
|
bits |= CM_UP;
|
|
if (cmd->buttons != from->buttons)
|
|
bits |= CM_BUTTONS;
|
|
if (cmd->impulse != from->impulse)
|
|
bits |= CM_IMPULSE;
|
|
MSG_WriteByte (buf, bits);
|
|
|
|
if (bits & CM_ANGLE1)
|
|
MSG_WriteAngle16 (buf, cmd->angles[0]);
|
|
if (bits & CM_ANGLE2)
|
|
MSG_WriteAngle16 (buf, cmd->angles[1]);
|
|
if (bits & CM_ANGLE3)
|
|
MSG_WriteAngle16 (buf, cmd->angles[2]);
|
|
|
|
if (bits & CM_FORWARD)
|
|
MSG_WriteShort (buf, cmd->forwardmove);
|
|
if (bits & CM_SIDE)
|
|
MSG_WriteShort (buf, cmd->sidemove);
|
|
if (bits & CM_UP)
|
|
MSG_WriteShort (buf, cmd->upmove);
|
|
|
|
if (bits & CM_BUTTONS)
|
|
MSG_WriteByte (buf, cmd->buttons);
|
|
if (bits & CM_IMPULSE)
|
|
MSG_WriteByte (buf, cmd->impulse);
|
|
MSG_WriteByte (buf, cmd->msec);
|
|
}
|
|
|
|
void
|
|
MSG_ReadDeltaUsercmd (qmsg_t *msg, usercmd_t *from, usercmd_t *move)
|
|
{
|
|
int bits;
|
|
|
|
memcpy (move, from, sizeof (*move));
|
|
|
|
bits = MSG_ReadByte (msg);
|
|
|
|
// read current angles
|
|
if (bits & CM_ANGLE1)
|
|
move->angles[0] = MSG_ReadAngle16 (msg);
|
|
if (bits & CM_ANGLE2)
|
|
move->angles[1] = MSG_ReadAngle16 (msg);
|
|
if (bits & CM_ANGLE3)
|
|
move->angles[2] = MSG_ReadAngle16 (msg);
|
|
|
|
// read movement
|
|
if (bits & CM_FORWARD)
|
|
move->forwardmove = MSG_ReadShort (msg);
|
|
if (bits & CM_SIDE)
|
|
move->sidemove = MSG_ReadShort (msg);
|
|
if (bits & CM_UP)
|
|
move->upmove = MSG_ReadShort (msg);
|
|
|
|
// read buttons
|
|
if (bits & CM_BUTTONS)
|
|
move->buttons = MSG_ReadByte (msg);
|
|
|
|
if (bits & CM_IMPULSE)
|
|
move->impulse = MSG_ReadByte (msg);
|
|
|
|
// read time to run command
|
|
move->msec = MSG_ReadByte (msg);
|
|
}
|