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cl_input.c

/*
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 the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

*/
// cl.input.c  -- builds an intended movement command to send to the server

// Quake is a trademark of Id Software, Inc., (c) 1996 Id Software, Inc. All
// rights reserved.

#include "quakedef.h"
#include "csprogs.h"

/*
===============================================================================

KEY BUTTONS

Continuous button event tracking is complicated by the fact that two different
input sources (say, mouse button 1 and the control key) can both press the
same button, but the button should only be released when both of the
pressing key have been released.

When a key event issues a button command (+forward, +attack, etc), it appends
its key number as a parameter to the command so it can be matched up with
the release.

state bit 0 is the current state of the key
state bit 1 is edge triggered on the up to down transition
state bit 2 is edge triggered on the down to up transition

===============================================================================
*/


kbutton_t   in_mlook, in_klook;
kbutton_t   in_left, in_right, in_forward, in_back;
kbutton_t   in_lookup, in_lookdown, in_moveleft, in_moveright;
kbutton_t   in_strafe, in_speed, in_jump, in_attack, in_use;
kbutton_t   in_up, in_down;
// LordHavoc: added 6 new buttons
kbutton_t   in_button3, in_button4, in_button5, in_button6, in_button7, in_button8;
//even more
kbutton_t   in_button9, in_button10, in_button11, in_button12, in_button13, in_button14, in_button15, in_button16;

int               in_impulse;



void KeyDown (kbutton_t *b)
{
      int k;
      const char *c;

      c = Cmd_Argv(1);
      if (c[0])
            k = atoi(c);
      else
            k = -1;           // typed manually at the console for continuous down

      if (k == b->down[0] || k == b->down[1])
            return;           // repeating key

      if (!b->down[0])
            b->down[0] = k;
      else if (!b->down[1])
            b->down[1] = k;
      else
      {
            Con_Print("Three keys down for a button!\n");
            return;
      }

      if (b->state & 1)
            return;           // still down
      b->state |= 1 + 2;      // down + impulse down
}

void KeyUp (kbutton_t *b)
{
      int k;
      const char *c;

      c = Cmd_Argv(1);
      if (c[0])
            k = atoi(c);
      else
      { // typed manually at the console, assume for unsticking, so clear all
            b->down[0] = b->down[1] = 0;
            b->state = 4;     // impulse up
            return;
      }

      if (b->down[0] == k)
            b->down[0] = 0;
      else if (b->down[1] == k)
            b->down[1] = 0;
      else
            return;           // key up without coresponding down (menu pass through)
      if (b->down[0] || b->down[1])
            return;           // some other key is still holding it down

      if (!(b->state & 1))
            return;           // still up (this should not happen)
      b->state &= ~1;         // now up
      b->state |= 4;          // impulse up
}

void IN_KLookDown (void) {KeyDown(&in_klook);}
void IN_KLookUp (void) {KeyUp(&in_klook);}
void IN_MLookDown (void) {KeyDown(&in_mlook);}
void IN_MLookUp (void)
{
      KeyUp(&in_mlook);
      if ( !(in_mlook.state&1) && lookspring.value)
            V_StartPitchDrift();
}
void IN_UpDown(void) {KeyDown(&in_up);}
void IN_UpUp(void) {KeyUp(&in_up);}
void IN_DownDown(void) {KeyDown(&in_down);}
void IN_DownUp(void) {KeyUp(&in_down);}
void IN_LeftDown(void) {KeyDown(&in_left);}
void IN_LeftUp(void) {KeyUp(&in_left);}
void IN_RightDown(void) {KeyDown(&in_right);}
void IN_RightUp(void) {KeyUp(&in_right);}
void IN_ForwardDown(void) {KeyDown(&in_forward);}
void IN_ForwardUp(void) {KeyUp(&in_forward);}
void IN_BackDown(void) {KeyDown(&in_back);}
void IN_BackUp(void) {KeyUp(&in_back);}
void IN_LookupDown(void) {KeyDown(&in_lookup);}
void IN_LookupUp(void) {KeyUp(&in_lookup);}
void IN_LookdownDown(void) {KeyDown(&in_lookdown);}
void IN_LookdownUp(void) {KeyUp(&in_lookdown);}
void IN_MoveleftDown(void) {KeyDown(&in_moveleft);}
void IN_MoveleftUp(void) {KeyUp(&in_moveleft);}
void IN_MoverightDown(void) {KeyDown(&in_moveright);}
void IN_MoverightUp(void) {KeyUp(&in_moveright);}

void IN_SpeedDown(void) {KeyDown(&in_speed);}
void IN_SpeedUp(void) {KeyUp(&in_speed);}
void IN_StrafeDown(void) {KeyDown(&in_strafe);}
void IN_StrafeUp(void) {KeyUp(&in_strafe);}

void IN_AttackDown(void) {KeyDown(&in_attack);}
void IN_AttackUp(void) {KeyUp(&in_attack);}

void IN_UseDown(void) {KeyDown(&in_use);}
void IN_UseUp(void) {KeyUp(&in_use);}

// LordHavoc: added 6 new buttons
void IN_Button3Down(void) {KeyDown(&in_button3);}
void IN_Button3Up(void) {KeyUp(&in_button3);}
void IN_Button4Down(void) {KeyDown(&in_button4);}
void IN_Button4Up(void) {KeyUp(&in_button4);}
void IN_Button5Down(void) {KeyDown(&in_button5);}
void IN_Button5Up(void) {KeyUp(&in_button5);}
void IN_Button6Down(void) {KeyDown(&in_button6);}
void IN_Button6Up(void) {KeyUp(&in_button6);}
void IN_Button7Down(void) {KeyDown(&in_button7);}
void IN_Button7Up(void) {KeyUp(&in_button7);}
void IN_Button8Down(void) {KeyDown(&in_button8);}
void IN_Button8Up(void) {KeyUp(&in_button8);}

void IN_Button9Down(void) {KeyDown(&in_button9);}
void IN_Button9Up(void) {KeyUp(&in_button9);}
void IN_Button10Down(void) {KeyDown(&in_button10);}
void IN_Button10Up(void) {KeyUp(&in_button10);}
void IN_Button11Down(void) {KeyDown(&in_button11);}
void IN_Button11Up(void) {KeyUp(&in_button11);}
void IN_Button12Down(void) {KeyDown(&in_button12);}
void IN_Button12Up(void) {KeyUp(&in_button12);}
void IN_Button13Down(void) {KeyDown(&in_button13);}
void IN_Button13Up(void) {KeyUp(&in_button13);}
void IN_Button14Down(void) {KeyDown(&in_button14);}
void IN_Button14Up(void) {KeyUp(&in_button14);}
void IN_Button15Down(void) {KeyDown(&in_button15);}
void IN_Button15Up(void) {KeyUp(&in_button15);}
void IN_Button16Down(void) {KeyDown(&in_button16);}
void IN_Button16Up(void) {KeyUp(&in_button16);}

void IN_JumpDown (void) {KeyDown(&in_jump);}
void IN_JumpUp (void) {KeyUp(&in_jump);}

void IN_Impulse (void) {in_impulse=atoi(Cmd_Argv(1));}

in_bestweapon_info_t in_bestweapon_info[IN_BESTWEAPON_MAX];

void IN_BestWeapon_Register(const char *name, int impulse, int weaponbit, int activeweaponcode, int ammostat, int ammomin)
{
      int i;
      for(i = 0; i < IN_BESTWEAPON_MAX && in_bestweapon_info[i].impulse; ++i)
            if(in_bestweapon_info[i].impulse == impulse)
                  break;
      if(i >= IN_BESTWEAPON_MAX)
      {
            Con_Printf("no slot left for weapon definition; increase IN_BESTWEAPON_MAX\n");
            return; // sorry
      }
      strlcpy(in_bestweapon_info[i].name, name, sizeof(in_bestweapon_info[i].name));
      in_bestweapon_info[i].impulse = impulse;
      if(weaponbit != -1)
            in_bestweapon_info[i].weaponbit = weaponbit;
      if(activeweaponcode != -1)
            in_bestweapon_info[i].activeweaponcode = activeweaponcode;
      if(ammostat != -1)
            in_bestweapon_info[i].ammostat = ammostat;
      if(ammomin != -1)
            in_bestweapon_info[i].ammomin = ammomin;
}

00225 void IN_BestWeapon_ResetData (void)
{
      memset(in_bestweapon_info, 0, sizeof(in_bestweapon_info));
      IN_BestWeapon_Register("1", 1, IT_AXE, IT_AXE, STAT_SHELLS, 0);
      IN_BestWeapon_Register("2", 2, IT_SHOTGUN, IT_SHOTGUN, STAT_SHELLS, 1);
      IN_BestWeapon_Register("3", 3, IT_SUPER_SHOTGUN, IT_SUPER_SHOTGUN, STAT_SHELLS, 1);
      IN_BestWeapon_Register("4", 4, IT_NAILGUN, IT_NAILGUN, STAT_NAILS, 1);
      IN_BestWeapon_Register("5", 5, IT_SUPER_NAILGUN, IT_SUPER_NAILGUN, STAT_NAILS, 1);
      IN_BestWeapon_Register("6", 6, IT_GRENADE_LAUNCHER, IT_GRENADE_LAUNCHER, STAT_ROCKETS, 1);
      IN_BestWeapon_Register("7", 7, IT_ROCKET_LAUNCHER, IT_ROCKET_LAUNCHER, STAT_ROCKETS, 1);
      IN_BestWeapon_Register("8", 8, IT_LIGHTNING, IT_LIGHTNING, STAT_CELLS, 1);
      IN_BestWeapon_Register("9", 9, 128, 128, STAT_CELLS, 1); // generic energy weapon for mods
      IN_BestWeapon_Register("p", 209, 128, 128, STAT_CELLS, 1); // dpmod plasma gun
      IN_BestWeapon_Register("w", 210, 8388608, 8388608, STAT_CELLS, 1); // dpmod plasma wave cannon
      IN_BestWeapon_Register("l", 225, HIT_LASER_CANNON, HIT_LASER_CANNON, STAT_CELLS, 1); // hipnotic laser cannon
      IN_BestWeapon_Register("h", 226, HIT_MJOLNIR, HIT_MJOLNIR, STAT_CELLS, 0); // hipnotic mjolnir hammer
}

void IN_BestWeapon_Register_f (void)
{
      if(Cmd_Argc() == 7)
      {
            IN_BestWeapon_Register(
                  Cmd_Argv(1),
                  atoi(Cmd_Argv(2)),
                  atoi(Cmd_Argv(3)),
                  atoi(Cmd_Argv(4)),
                  atoi(Cmd_Argv(5)),
                  atoi(Cmd_Argv(6))
            );
      }
      else if(Cmd_Argc() == 2 && !strcmp(Cmd_Argv(1), "clear"))
      {
            memset(in_bestweapon_info, 0, sizeof(in_bestweapon_info));
      }
      else if(Cmd_Argc() == 2 && !strcmp(Cmd_Argv(1), "quake"))
      {
            IN_BestWeapon_ResetData();
      }
      else
      {
            Con_Printf("Usage: %s weaponshortname impulse itemcode activeweaponcode ammostat ammomin; %s clear; %s quake\n", Cmd_Argv(0), Cmd_Argv(0), Cmd_Argv(0));
      }
}

void IN_BestWeapon (void)
{
      int i, n;
      const char *t;
      if (Cmd_Argc() < 2)
      {
            Con_Printf("bestweapon requires 1 or more parameters\n");
            return;
      }
      for (i = 1;i < Cmd_Argc();i++)
      {
            t = Cmd_Argv(i);
            // figure out which weapon this character refers to
            for (n = 0;n < IN_BESTWEAPON_MAX && in_bestweapon_info[n].impulse;n++)
            {
                  if (!strcmp(in_bestweapon_info[n].name, t))
                  {
                        // we found out what weapon this character refers to
                        // check if the inventory contains the weapon and enough ammo
                        if ((cl.stats[STAT_ITEMS] & in_bestweapon_info[n].weaponbit) && (cl.stats[in_bestweapon_info[n].ammostat] >= in_bestweapon_info[n].ammomin))
                        {
                              // we found one of the weapons the player wanted
                              // send an impulse to switch to it
                              in_impulse = in_bestweapon_info[n].impulse;
                              return;
                        }
                        break;
                  }
            }
            // if we couldn't identify the weapon we just ignore it and continue checking for other weapons
      }
      // if we couldn't find any of the weapons, there's nothing more we can do...
}

#if 0
void IN_CycleWeapon (void)
{
      int i, n;
      int first = -1;
      qboolean found = false;
      const char *t;
      if (Cmd_Argc() < 2)
      {
            Con_Printf("bestweapon requires 1 or more parameters\n");
            return;
      }
      for (i = 1;i < Cmd_Argc();i++)
      {
            t = Cmd_Argv(i);
            // figure out which weapon this character refers to
            for (n = 0;n < IN_BESTWEAPON_MAX && in_bestweapon_info[n].impulse;n++)
            {
                  if (!strcmp(in_bestweapon_info[n].name, t))
                  {
                        // we found out what weapon this character refers to
                        // check if the inventory contains the weapon and enough ammo
                        if ((cl.stats[STAT_ITEMS] & in_bestweapon_info[n].weaponbit) && (cl.stats[in_bestweapon_info[n].ammostat] >= in_bestweapon_info[n].ammomin))
                        {
                              // we found one of the weapons the player wanted
                              if(first == -1)
                                    first = n;
                              if(found)
                              {
                                    in_impulse = in_bestweapon_info[n].impulse;
                                    return;
                              }
                              if(cl.stats[STAT_ACTIVEWEAPON] == in_bestweapon_info[n].activeweaponcode)
                                    found = true;
                        }
                        break;
                  }
            }
            // if we couldn't identify the weapon we just ignore it and continue checking for other weapons
      }
      if(first != -1)
      {
            in_impulse = in_bestweapon_info[first].impulse;
            return;
      }
      // if we couldn't find any of the weapons, there's nothing more we can do...
}
#endif

/*
===============
CL_KeyState

Returns 0.25 if a key was pressed and released during the frame,
0.5 if it was pressed and held
0 if held then released, and
1.0 if held for the entire time
===============
*/
float CL_KeyState (kbutton_t *key)
{
      float       val;
      qboolean    impulsedown, impulseup, down;

      impulsedown = (key->state & 2) != 0;
      impulseup = (key->state & 4) != 0;
      down = (key->state & 1) != 0;
      val = 0;

      if (impulsedown && !impulseup)
      {
            if (down)
                  val = 0.5;  // pressed and held this frame
            else
                  val = 0;    //    I_Error ();
      }
      if (impulseup && !impulsedown)
      {
            if (down)
                  val = 0;    //    I_Error ();
            else
                  val = 0;    // released this frame
      }
      if (!impulsedown && !impulseup)
      {
            if (down)
                  val = 1.0;  // held the entire frame
            else
                  val = 0;    // up the entire frame
      }
      if (impulsedown && impulseup)
      {
            if (down)
                  val = 0.75; // released and re-pressed this frame
            else
                  val = 0.25; // pressed and released this frame
      }

      key->state &= 1;        // clear impulses

      return val;
}




//==========================================================================

cvar_t cl_upspeed = {CVAR_SAVE, "cl_upspeed","400","vertical movement speed (while swimming or flying)"};
cvar_t cl_forwardspeed = {CVAR_SAVE, "cl_forwardspeed","400","forward movement speed"};
cvar_t cl_backspeed = {CVAR_SAVE, "cl_backspeed","400","backward movement speed"};
cvar_t cl_sidespeed = {CVAR_SAVE, "cl_sidespeed","350","strafe movement speed"};

cvar_t cl_movespeedkey = {CVAR_SAVE, "cl_movespeedkey","2.0","how much +speed multiplies keyboard movement speed"};
cvar_t cl_movecliptokeyboard = {0, "cl_movecliptokeyboard", "0", "if set to 1, any move is clipped to the nine keyboard states; if set to 2, only the direction is clipped, not the amount"};

cvar_t cl_yawspeed = {CVAR_SAVE, "cl_yawspeed","140","keyboard yaw turning speed"};
cvar_t cl_pitchspeed = {CVAR_SAVE, "cl_pitchspeed","150","keyboard pitch turning speed"};

cvar_t cl_anglespeedkey = {CVAR_SAVE, "cl_anglespeedkey","1.5","how much +speed multiplies keyboard turning speed"};

cvar_t cl_movement = {CVAR_SAVE, "cl_movement", "0", "enables clientside prediction of your player movement"};
cvar_t cl_movement_replay = {0, "cl_movement_replay", "1", "use engine prediction"};
cvar_t cl_movement_nettimeout = {CVAR_SAVE, "cl_movement_nettimeout", "0.3", "stops predicting moves when server is lagging badly (avoids major performance problems), timeout in seconds"};
cvar_t cl_movement_minping = {CVAR_SAVE, "cl_movement_minping", "0", "whether to use prediction when ping is lower than this value in milliseconds"};
cvar_t cl_movement_track_canjump = {CVAR_SAVE, "cl_movement_track_canjump", "1", "track if the player released the jump key between two jumps to decide if he is able to jump or not; when off, this causes some \"sliding\" slightly above the floor when the jump key is held too long; if the mod allows repeated jumping by holding space all the time, this has to be set to zero too"};
cvar_t cl_movement_maxspeed = {0, "cl_movement_maxspeed", "320", "how fast you can move (should match sv_maxspeed)"};
cvar_t cl_movement_maxairspeed = {0, "cl_movement_maxairspeed", "30", "how fast you can move while in the air (should match sv_maxairspeed)"};
cvar_t cl_movement_stopspeed = {0, "cl_movement_stopspeed", "100", "speed below which you will be slowed rapidly to a stop rather than sliding endlessly (should match sv_stopspeed)"};
cvar_t cl_movement_friction = {0, "cl_movement_friction", "4", "how fast you slow down (should match sv_friction)"};
cvar_t cl_movement_wallfriction = {0, "cl_movement_wallfriction", "1", "how fast you slow down while sliding along a wall (should match sv_wallfriction)"};
cvar_t cl_movement_waterfriction = {0, "cl_movement_waterfriction", "-1", "how fast you slow down (should match sv_waterfriction), if less than 0 the cl_movement_friction variable is used instead"};
cvar_t cl_movement_edgefriction = {0, "cl_movement_edgefriction", "1", "how much to slow down when you may be about to fall off a ledge (should match edgefriction)"};
cvar_t cl_movement_stepheight = {0, "cl_movement_stepheight", "18", "how tall a step you can step in one instant (should match sv_stepheight)"};
cvar_t cl_movement_accelerate = {0, "cl_movement_accelerate", "10", "how fast you accelerate (should match sv_accelerate)"};
cvar_t cl_movement_airaccelerate = {0, "cl_movement_airaccelerate", "-1", "how fast you accelerate while in the air (should match sv_airaccelerate), if less than 0 the cl_movement_accelerate variable is used instead"};
cvar_t cl_movement_wateraccelerate = {0, "cl_movement_wateraccelerate", "-1", "how fast you accelerate while in water (should match sv_wateraccelerate), if less than 0 the cl_movement_accelerate variable is used instead"};
cvar_t cl_movement_jumpvelocity = {0, "cl_movement_jumpvelocity", "270", "how fast you move upward when you begin a jump (should match the quakec code)"};
cvar_t cl_movement_airaccel_qw = {0, "cl_movement_airaccel_qw", "1", "ratio of QW-style air control as opposed to simple acceleration (reduces speed gain when zigzagging) (should match sv_airaccel_qw); when < 0, the speed is clamped against the maximum allowed forward speed after the move"};
cvar_t cl_movement_airaccel_sideways_friction = {0, "cl_movement_airaccel_sideways_friction", "0", "anti-sideways movement stabilization (should match sv_airaccel_sideways_friction); when < 0, only so much friction is applied that braking (by accelerating backwards) cannot be stronger"};

cvar_t in_pitch_min = {0, "in_pitch_min", "-90", "how far downward you can aim (quake used -70"};
cvar_t in_pitch_max = {0, "in_pitch_max", "90", "how far upward you can aim (quake used 80"};

cvar_t m_filter = {CVAR_SAVE, "m_filter","0", "smoothes mouse movement, less responsive but smoother aiming"};
cvar_t m_accelerate = {CVAR_SAVE, "m_accelerate","1", "mouse acceleration factor (try 2)"};
cvar_t m_accelerate_minspeed = {CVAR_SAVE, "m_accelerate_minspeed","5000", "below this speed, no acceleration is done"};
cvar_t m_accelerate_maxspeed = {CVAR_SAVE, "m_accelerate_maxspeed","10000", "above this speed, full acceleration is done"};
cvar_t m_accelerate_filter = {CVAR_SAVE, "m_accelerate_filter","0.1", "mouse acceleration factor filtering"};

cvar_t cl_netfps = {CVAR_SAVE, "cl_netfps","72", "how many input packets to send to server each second"};
cvar_t cl_netrepeatinput = {CVAR_SAVE, "cl_netrepeatinput", "1", "how many packets in a row can be lost without movement issues when using cl_movement (technically how many input messages to repeat in each packet that have not yet been acknowledged by the server), only affects DP7 and later servers (Quake uses 0, QuakeWorld uses 2, and just for comparison Quake3 uses 1)"};
cvar_t cl_netimmediatebuttons = {CVAR_SAVE, "cl_netimmediatebuttons", "1", "sends extra packets whenever your buttons change or an impulse is used (basically: whenever you click fire or change weapon)"};

cvar_t cl_nodelta = {0, "cl_nodelta", "0", "disables delta compression of non-player entities in QW network protocol"};

extern cvar_t v_flipped;

/*
================
CL_AdjustAngles

Moves the local angle positions
================
*/
void CL_AdjustAngles (void)
{
      float speed;
      float up, down;

      if (in_speed.state & 1)
            speed = cl.realframetime * cl_anglespeedkey.value;
      else
            speed = cl.realframetime;

      if (!(in_strafe.state & 1))
      {
            cl.viewangles[YAW] -= speed*cl_yawspeed.value*CL_KeyState (&in_right);
            cl.viewangles[YAW] += speed*cl_yawspeed.value*CL_KeyState (&in_left);
      }
      if (in_klook.state & 1)
      {
            V_StopPitchDrift ();
            cl.viewangles[PITCH] -= speed*cl_pitchspeed.value * CL_KeyState (&in_forward);
            cl.viewangles[PITCH] += speed*cl_pitchspeed.value * CL_KeyState (&in_back);
      }

      up = CL_KeyState (&in_lookup);
      down = CL_KeyState(&in_lookdown);

      cl.viewangles[PITCH] -= speed*cl_pitchspeed.value * up;
      cl.viewangles[PITCH] += speed*cl_pitchspeed.value * down;

      if (up || down)
            V_StopPitchDrift ();

      cl.viewangles[YAW] = ANGLEMOD(cl.viewangles[YAW]);
      cl.viewangles[PITCH] = ANGLEMOD(cl.viewangles[PITCH]);
      if (cl.viewangles[YAW] >= 180)
            cl.viewangles[YAW] -= 360;
      if (cl.viewangles[PITCH] >= 180)
            cl.viewangles[PITCH] -= 360;
      cl.viewangles[PITCH] = bound(in_pitch_min.value, cl.viewangles[PITCH], in_pitch_max.value);
      cl.viewangles[ROLL] = bound(-180, cl.viewangles[ROLL], 180);
}

int cl_ignoremousemoves = 2;

/*
================
CL_Input

Send the intended movement message to the server
================
*/
void CL_Input (void)
{
      float mx, my;
      static float old_mouse_x = 0, old_mouse_y = 0;

      // clamp before the move to prevent starting with bad angles
      CL_AdjustAngles ();

      if(v_flipped.integer)
            cl.viewangles[YAW] = -cl.viewangles[YAW];

      // reset some of the command fields
      cl.cmd.forwardmove = 0;
      cl.cmd.sidemove = 0;
      cl.cmd.upmove = 0;

      // get basic movement from keyboard
      if (in_strafe.state & 1)
      {
            cl.cmd.sidemove += cl_sidespeed.value * CL_KeyState (&in_right);
            cl.cmd.sidemove -= cl_sidespeed.value * CL_KeyState (&in_left);
      }

      cl.cmd.sidemove += cl_sidespeed.value * CL_KeyState (&in_moveright);
      cl.cmd.sidemove -= cl_sidespeed.value * CL_KeyState (&in_moveleft);

      cl.cmd.upmove += cl_upspeed.value * CL_KeyState (&in_up);
      cl.cmd.upmove -= cl_upspeed.value * CL_KeyState (&in_down);

      if (! (in_klook.state & 1) )
      {
            cl.cmd.forwardmove += cl_forwardspeed.value * CL_KeyState (&in_forward);
            cl.cmd.forwardmove -= cl_backspeed.value * CL_KeyState (&in_back);
      }

      // adjust for speed key
      if (in_speed.state & 1)
      {
            cl.cmd.forwardmove *= cl_movespeedkey.value;
            cl.cmd.sidemove *= cl_movespeedkey.value;
            cl.cmd.upmove *= cl_movespeedkey.value;
      }

      // allow mice or other external controllers to add to the move
      IN_Move ();

      // apply m_accelerate if it is on
      if(m_accelerate.value > 1)
      {
            static float averagespeed = 0;
            float speed, f, mi, ma;

            speed = sqrt(in_mouse_x * in_mouse_x + in_mouse_y * in_mouse_y) / cl.realframetime;
            if(m_accelerate_filter.value > 0)
                  f = bound(0, cl.realframetime / m_accelerate_filter.value, 1);
            else
                  f = 1;
            averagespeed = speed * f + averagespeed * (1 - f);

            mi = max(1, m_accelerate_minspeed.value);
            ma = max(m_accelerate_minspeed.value + 1, m_accelerate_maxspeed.value);

            if(averagespeed <= mi)
            {
                  f = 1;
            }
            else if(averagespeed >= ma)
            {
                  f = m_accelerate.value;
            }
            else
            {
                  f = averagespeed;
                  f = (f - mi) / (ma - mi) * (m_accelerate.value - 1) + 1;
            }

            in_mouse_x *= f;
            in_mouse_y *= f;
      }

      // apply m_filter if it is on
      mx = in_mouse_x;
      my = in_mouse_y;
      if (m_filter.integer)
      {
            in_mouse_x = (mx + old_mouse_x) * 0.5;
            in_mouse_y = (my + old_mouse_y) * 0.5;
      }
      old_mouse_x = mx;
      old_mouse_y = my;

      // ignore a mouse move if mouse was activated/deactivated this frame
      if (cl_ignoremousemoves)
      {
            cl_ignoremousemoves--;
            in_mouse_x = old_mouse_x = 0;
            in_mouse_y = old_mouse_y = 0;
      }

      // if not in menu, apply mouse move to viewangles/movement
      if (!key_consoleactive && key_dest == key_game && !cl.csqc_wantsmousemove && cl_prydoncursor.integer <= 0)
      {
            float modulatedsensitivity = sensitivity.value * cl.sensitivityscale;
            if (in_strafe.state & 1)
            {
                  // strafing mode, all looking is movement
                  V_StopPitchDrift();
                  cl.cmd.sidemove += m_side.value * in_mouse_x * modulatedsensitivity;
                  if (noclip_anglehack)
                        cl.cmd.upmove -= m_forward.value * in_mouse_y * modulatedsensitivity;
                  else
                        cl.cmd.forwardmove -= m_forward.value * in_mouse_y * modulatedsensitivity;
            }
            else if ((in_mlook.state & 1) || freelook.integer)
            {
                  // mouselook, lookstrafe causes turning to become strafing
                  V_StopPitchDrift();
                  if (lookstrafe.integer)
                        cl.cmd.sidemove += m_side.value * in_mouse_x * modulatedsensitivity;
                  else
                        cl.viewangles[YAW] -= m_yaw.value * in_mouse_x * modulatedsensitivity * cl.viewzoom;
                  cl.viewangles[PITCH] += m_pitch.value * in_mouse_y * modulatedsensitivity * cl.viewzoom;
            }
            else
            {
                  // non-mouselook, yaw turning and forward/back movement
                  cl.viewangles[YAW] -= m_yaw.value * in_mouse_x * modulatedsensitivity * cl.viewzoom;
                  cl.cmd.forwardmove -= m_forward.value * in_mouse_y * modulatedsensitivity;
            }
      }
      else // don't pitch drift when csqc is controlling the mouse
      {
            // mouse interacting with the scene, mostly stationary view
            V_StopPitchDrift();
            // update prydon cursor
            cl.cmd.cursor_screen[0] = in_windowmouse_x * 2.0 / vid.width - 1.0;
            cl.cmd.cursor_screen[1] = in_windowmouse_y * 2.0 / vid.height - 1.0;
      }

      if(v_flipped.integer)
      {
            cl.viewangles[YAW] = -cl.viewangles[YAW];
            cl.cmd.sidemove = -cl.cmd.sidemove;
      }

      // clamp after the move to prevent rendering with bad angles
      CL_AdjustAngles ();

      if(cl_movecliptokeyboard.integer)
      {
            vec_t f = 1;
            if (in_speed.state & 1)
                  f *= cl_movespeedkey.value;
            if(cl_movecliptokeyboard.integer == 2)
            {
                  // digital direction, analog amount
                  vec_t wishvel_x, wishvel_y;
                  f *= max(cl_sidespeed.value, max(cl_forwardspeed.value, cl_backspeed.value));
                  wishvel_x = fabs(cl.cmd.forwardmove);
                  wishvel_y = fabs(cl.cmd.sidemove);
                  if(wishvel_x != 0 && wishvel_y != 0 && wishvel_x != wishvel_y)
                  {
                        vec_t wishspeed = sqrt(wishvel_x * wishvel_x + wishvel_y * wishvel_y);
                        if(wishvel_x >= 2 * wishvel_y)
                        {
                              // pure X motion
                              if(cl.cmd.forwardmove > 0)
                                    cl.cmd.forwardmove = wishspeed;
                              else
                                    cl.cmd.forwardmove = -wishspeed;
                              cl.cmd.sidemove = 0;
                        }
                        else if(wishvel_y >= 2 * wishvel_x)
                        {
                              // pure Y motion
                              cl.cmd.forwardmove = 0;
                              if(cl.cmd.sidemove > 0)
                                    cl.cmd.sidemove = wishspeed;
                              else
                                    cl.cmd.sidemove = -wishspeed;
                        }
                        else
                        {
                              // diagonal
                              if(cl.cmd.forwardmove > 0)
                                    cl.cmd.forwardmove = 0.70710678118654752440 * wishspeed;
                              else
                                    cl.cmd.forwardmove = -0.70710678118654752440 * wishspeed;
                              if(cl.cmd.sidemove > 0)
                                    cl.cmd.sidemove = 0.70710678118654752440 * wishspeed;
                              else
                                    cl.cmd.sidemove = -0.70710678118654752440 * wishspeed;
                        }
                  }
            }
            else if(cl_movecliptokeyboard.integer)
            {
                  // digital direction, digital amount
                  if(cl.cmd.sidemove >= cl_sidespeed.value * f * 0.5)
                        cl.cmd.sidemove = cl_sidespeed.value * f;
                  else if(cl.cmd.sidemove <= -cl_sidespeed.value * f * 0.5)
                        cl.cmd.sidemove = -cl_sidespeed.value * f;
                  else
                        cl.cmd.sidemove = 0;
                  if(cl.cmd.forwardmove >= cl_forwardspeed.value * f * 0.5)
                        cl.cmd.forwardmove = cl_forwardspeed.value * f;
                  else if(cl.cmd.forwardmove <= -cl_backspeed.value * f * 0.5)
                        cl.cmd.forwardmove = -cl_backspeed.value * f;
                  else
                        cl.cmd.forwardmove = 0;
            }
      }
}

#include "cl_collision.h"

void CL_UpdatePrydonCursor(void)
{
      vec3_t temp;

      if (cl_prydoncursor.integer <= 0)
            VectorClear(cl.cmd.cursor_screen);

      /*
      if (cl.cmd.cursor_screen[0] < -1)
      {
            cl.viewangles[YAW] -= m_yaw.value * (cl.cmd.cursor_screen[0] - -1) * vid.width * sensitivity.value * cl.viewzoom;
            cl.cmd.cursor_screen[0] = -1;
      }
      if (cl.cmd.cursor_screen[0] > 1)
      {
            cl.viewangles[YAW] -= m_yaw.value * (cl.cmd.cursor_screen[0] - 1) * vid.width * sensitivity.value * cl.viewzoom;
            cl.cmd.cursor_screen[0] = 1;
      }
      if (cl.cmd.cursor_screen[1] < -1)
      {
            cl.viewangles[PITCH] += m_pitch.value * (cl.cmd.cursor_screen[1] - -1) * vid.height * sensitivity.value * cl.viewzoom;
            cl.cmd.cursor_screen[1] = -1;
      }
      if (cl.cmd.cursor_screen[1] > 1)
      {
            cl.viewangles[PITCH] += m_pitch.value * (cl.cmd.cursor_screen[1] - 1) * vid.height * sensitivity.value * cl.viewzoom;
            cl.cmd.cursor_screen[1] = 1;
      }
      */
      cl.cmd.cursor_screen[0] = bound(-1, cl.cmd.cursor_screen[0], 1);
      cl.cmd.cursor_screen[1] = bound(-1, cl.cmd.cursor_screen[1], 1);
      cl.cmd.cursor_screen[2] = 1;

      // calculate current view matrix
      Matrix4x4_OriginFromMatrix(&r_refdef.view.matrix, cl.cmd.cursor_start);
      // calculate direction vector of cursor in viewspace by using frustum slopes
      VectorSet(temp, cl.cmd.cursor_screen[2] * 1000000, (v_flipped.integer ? -1 : 1) * cl.cmd.cursor_screen[0] * -r_refdef.view.frustum_x * 1000000, cl.cmd.cursor_screen[1] * -r_refdef.view.frustum_y * 1000000);
      Matrix4x4_Transform(&r_refdef.view.matrix, temp, cl.cmd.cursor_end);
      // trace from view origin to the cursor
      if (cl_prydoncursor_notrace.integer)
      {
            cl.cmd.cursor_fraction = 1.0f;
            VectorCopy(cl.cmd.cursor_end, cl.cmd.cursor_impact);
            VectorClear(cl.cmd.cursor_normal);
            cl.cmd.cursor_entitynumber = 0;
      }
      else
            cl.cmd.cursor_fraction = CL_SelectTraceLine(cl.cmd.cursor_start, cl.cmd.cursor_end, cl.cmd.cursor_impact, cl.cmd.cursor_normal, &cl.cmd.cursor_entitynumber, (chase_active.integer || cl.intermission) ? &cl.entities[cl.playerentity].render : NULL);
}

typedef enum waterlevel_e
{
      WATERLEVEL_NONE,
      WATERLEVEL_WETFEET,
      WATERLEVEL_SWIMMING,
      WATERLEVEL_SUBMERGED
}
waterlevel_t;

00794 typedef struct cl_clientmovement_state_s
{
      // position
      vec3_t origin;
      vec3_t velocity;
      // current bounding box (different if crouched vs standing)
      vec3_t mins;
      vec3_t maxs;
      // currently on the ground
      qboolean onground;
      // currently crouching
      qboolean crouched;
      // what kind of water (SUPERCONTENTS_LAVA for instance)
      int watertype;
      // how deep
      waterlevel_t waterlevel;
      // weird hacks when jumping out of water
      // (this is in seconds and counts down to 0)
      float waterjumptime;

      // user command
      usercmd_t cmd;
}
cl_clientmovement_state_t;

#define NUMOFFSETS 27
static vec3_t offsets[NUMOFFSETS] =
{
// 1 no nudge (just return the original if this test passes)
      { 0.000,  0.000,  0.000},
// 6 simple nudges
      { 0.000,  0.000,  0.125}, { 0.000,  0.000, -0.125},
      {-0.125,  0.000,  0.000}, { 0.125,  0.000,  0.000},
      { 0.000, -0.125,  0.000}, { 0.000,  0.125,  0.000},
// 4 diagonal flat nudges
      {-0.125, -0.125,  0.000}, { 0.125, -0.125,  0.000},
      {-0.125,  0.125,  0.000}, { 0.125,  0.125,  0.000},
// 8 diagonal upward nudges
      {-0.125,  0.000,  0.125}, { 0.125,  0.000,  0.125},
      { 0.000, -0.125,  0.125}, { 0.000,  0.125,  0.125},
      {-0.125, -0.125,  0.125}, { 0.125, -0.125,  0.125},
      {-0.125,  0.125,  0.125}, { 0.125,  0.125,  0.125},
// 8 diagonal downward nudges
      {-0.125,  0.000, -0.125}, { 0.125,  0.000, -0.125},
      { 0.000, -0.125, -0.125}, { 0.000,  0.125, -0.125},
      {-0.125, -0.125, -0.125}, { 0.125, -0.125, -0.125},
      {-0.125,  0.125, -0.125}, { 0.125,  0.125, -0.125},
};

qboolean CL_ClientMovement_Unstick(cl_clientmovement_state_t *s)
{
      int i;
      vec3_t neworigin;
      for (i = 0;i < NUMOFFSETS;i++)
      {
            VectorAdd(offsets[i], s->origin, neworigin);
            if (!CL_TraceBox(neworigin, cl.playercrouchmins, cl.playercrouchmaxs, neworigin, MOVE_NORMAL, NULL, SUPERCONTENTS_SOLID | SUPERCONTENTS_PLAYERCLIP, true, true, NULL, false).startsolid)
            {
                  VectorCopy(neworigin, s->origin);
                  return true;
            }
      }
      // if all offsets failed, give up
      return false;
}

void CL_ClientMovement_UpdateStatus(cl_clientmovement_state_t *s)
{
      vec3_t origin1, origin2;
      trace_t trace;

      // make sure player is not stuck
      CL_ClientMovement_Unstick(s);

      // set crouched
      if (s->cmd.crouch)
      {
            // wants to crouch, this always works..
            if (!s->crouched)
                  s->crouched = true;
      }
      else
      {
            // wants to stand, if currently crouching we need to check for a
            // low ceiling first
            if (s->crouched)
            {
                  trace = CL_TraceBox(s->origin, cl.playerstandmins, cl.playerstandmaxs, s->origin, MOVE_NORMAL, NULL, SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY | SUPERCONTENTS_PLAYERCLIP, true, true, NULL, false);
                  if (!trace.startsolid)
                        s->crouched = false;
            }
      }
      if (s->crouched)
      {
            VectorCopy(cl.playercrouchmins, s->mins);
            VectorCopy(cl.playercrouchmaxs, s->maxs);
      }
      else
      {
            VectorCopy(cl.playerstandmins, s->mins);
            VectorCopy(cl.playerstandmaxs, s->maxs);
      }

      // set onground
      VectorSet(origin1, s->origin[0], s->origin[1], s->origin[2] + 1);
      VectorSet(origin2, s->origin[0], s->origin[1], s->origin[2] - 1); // -2 causes clientside doublejump bug at above 150fps, raising that to 300fps :)
      trace = CL_TraceBox(origin1, s->mins, s->maxs, origin2, MOVE_NORMAL, NULL, SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY | SUPERCONTENTS_PLAYERCLIP, true, true, NULL, false);
      s->onground = trace.fraction < 1 && trace.plane.normal[2] > 0.7;

      // set watertype/waterlevel
      VectorSet(origin1, s->origin[0], s->origin[1], s->origin[2] + s->mins[2] + 1);
      s->waterlevel = WATERLEVEL_NONE;
      s->watertype = CL_TracePoint(origin1, MOVE_NOMONSTERS, NULL, 0, true, false, NULL, false).startsupercontents & SUPERCONTENTS_LIQUIDSMASK;
      if (s->watertype)
      {
            s->waterlevel = WATERLEVEL_WETFEET;
            origin1[2] = s->origin[2] + (s->mins[2] + s->maxs[2]) * 0.5f;
            if (CL_TracePoint(origin1, MOVE_NOMONSTERS, NULL, 0, true, false, NULL, false).startsupercontents & SUPERCONTENTS_LIQUIDSMASK)
            {
                  s->waterlevel = WATERLEVEL_SWIMMING;
                  origin1[2] = s->origin[2] + 22;
                  if (CL_TracePoint(origin1, MOVE_NOMONSTERS, NULL, 0, true, false, NULL, false).startsupercontents & SUPERCONTENTS_LIQUIDSMASK)
                        s->waterlevel = WATERLEVEL_SUBMERGED;
            }
      }

      // water jump prediction
      if (s->onground || s->velocity[2] <= 0 || s->waterjumptime <= 0)
            s->waterjumptime = 0;
}

void CL_ClientMovement_Move(cl_clientmovement_state_t *s)
{
      int bump;
      double t;
      vec_t f;
      vec3_t neworigin;
      vec3_t currentorigin2;
      vec3_t neworigin2;
      vec3_t primalvelocity;
      trace_t trace;
      trace_t trace2;
      trace_t trace3;
      CL_ClientMovement_UpdateStatus(s);
      VectorCopy(s->velocity, primalvelocity);
      for (bump = 0, t = s->cmd.frametime;bump < 8 && VectorLength2(s->velocity) > 0;bump++)
      {
            VectorMA(s->origin, t, s->velocity, neworigin);
            trace = CL_TraceBox(s->origin, s->mins, s->maxs, neworigin, MOVE_NORMAL, NULL, SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY | SUPERCONTENTS_PLAYERCLIP, true, true, NULL, false);
            if (trace.fraction < 1 && trace.plane.normal[2] == 0)
            {
                  // may be a step or wall, try stepping up
                  // first move forward at a higher level
                  VectorSet(currentorigin2, s->origin[0], s->origin[1], s->origin[2] + cl.movevars_stepheight);
                  VectorSet(neworigin2, neworigin[0], neworigin[1], s->origin[2] + cl.movevars_stepheight);
                  trace2 = CL_TraceBox(currentorigin2, s->mins, s->maxs, neworigin2, MOVE_NORMAL, NULL, SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY | SUPERCONTENTS_PLAYERCLIP, true, true, NULL, false);
                  if (!trace2.startsolid)
                  {
                        // then move down from there
                        VectorCopy(trace2.endpos, currentorigin2);
                        VectorSet(neworigin2, trace2.endpos[0], trace2.endpos[1], s->origin[2]);
                        trace3 = CL_TraceBox(currentorigin2, s->mins, s->maxs, neworigin2, MOVE_NORMAL, NULL, SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY | SUPERCONTENTS_PLAYERCLIP, true, true, NULL, false);
                        //Con_Printf("%f %f %f %f : %f %f %f %f : %f %f %f %f\n", trace.fraction, trace.endpos[0], trace.endpos[1], trace.endpos[2], trace2.fraction, trace2.endpos[0], trace2.endpos[1], trace2.endpos[2], trace3.fraction, trace3.endpos[0], trace3.endpos[1], trace3.endpos[2]);
                        // accept the new trace if it made some progress
                        if (fabs(trace3.endpos[0] - trace.endpos[0]) >= 0.03125 || fabs(trace3.endpos[1] - trace.endpos[1]) >= 0.03125)
                        {
                              trace = trace2;
                              VectorCopy(trace3.endpos, trace.endpos);
                        }
                  }
            }

            // check if it moved at all
            if (trace.fraction >= 0.001)
                  VectorCopy(trace.endpos, s->origin);

            // check if it moved all the way
            if (trace.fraction == 1)
                  break;

            //if (trace.plane.normal[2] > 0.7)
            //    s->onground = true;

            t -= t * trace.fraction;

            f = DotProduct(s->velocity, trace.plane.normal);
            VectorMA(s->velocity, -f, trace.plane.normal, s->velocity);
      }
      if (s->waterjumptime > 0)
            VectorCopy(primalvelocity, s->velocity);
}


void CL_ClientMovement_Physics_Swim(cl_clientmovement_state_t *s)
{
      vec_t wishspeed;
      vec_t f;
      vec3_t wishvel;
      vec3_t wishdir;

      // water jump only in certain situations
      // this mimics quakeworld code
      if (s->cmd.jump && s->waterlevel == 2 && s->velocity[2] >= -180)
      {
            vec3_t forward;
            vec3_t yawangles;
            vec3_t spot;
            VectorSet(yawangles, 0, s->cmd.viewangles[1], 0);
            AngleVectors(yawangles, forward, NULL, NULL);
            VectorMA(s->origin, 24, forward, spot);
            spot[2] += 8;
            if (CL_TracePoint(spot, MOVE_NOMONSTERS, NULL, 0, true, false, NULL, false).startsolid)
            {
                  spot[2] += 24;
                  if (!CL_TracePoint(spot, MOVE_NOMONSTERS, NULL, 0, true, false, NULL, false).startsolid)
                  {
                        VectorScale(forward, 50, s->velocity);
                        s->velocity[2] = 310;
                        s->waterjumptime = 2;
                        s->onground = false;
                        s->cmd.canjump = false;
                  }
            }
      }

      if (!(s->cmd.forwardmove*s->cmd.forwardmove + s->cmd.sidemove*s->cmd.sidemove + s->cmd.upmove*s->cmd.upmove))
      {
            // drift towards bottom
            VectorSet(wishvel, 0, 0, -60);
      }
      else
      {
            // swim
            vec3_t forward;
            vec3_t right;
            vec3_t up;
            // calculate movement vector
            AngleVectors(s->cmd.viewangles, forward, right, up);
            VectorSet(up, 0, 0, 1);
            VectorMAMAM(s->cmd.forwardmove, forward, s->cmd.sidemove, right, s->cmd.upmove, up, wishvel);
      }

      // split wishvel into wishspeed and wishdir
      wishspeed = VectorLength(wishvel);
      if (wishspeed)
            VectorScale(wishvel, 1 / wishspeed, wishdir);
      else
            VectorSet( wishdir, 0.0, 0.0, 0.0 );
      wishspeed = min(wishspeed, cl.movevars_maxspeed) * 0.7;

      if (s->crouched)
            wishspeed *= 0.5;

      if (s->waterjumptime <= 0)
      {
            // water friction
            f = 1 - s->cmd.frametime * cl.movevars_waterfriction * (cls.protocol == PROTOCOL_QUAKEWORLD ? s->waterlevel : 1);
            f = bound(0, f, 1);
            VectorScale(s->velocity, f, s->velocity);

            // water acceleration
            f = wishspeed - DotProduct(s->velocity, wishdir);
            if (f > 0)
            {
                  f = min(cl.movevars_wateraccelerate * s->cmd.frametime * wishspeed, f);
                  VectorMA(s->velocity, f, wishdir, s->velocity);
            }

            // holding jump button swims upward slowly
            if (s->cmd.jump)
            {
                  if (s->watertype & SUPERCONTENTS_LAVA)
                        s->velocity[2] =  50;
                  else if (s->watertype & SUPERCONTENTS_SLIME)
                        s->velocity[2] =  80;
                  else
                  {
                        if (gamemode == GAME_NEXUIZ || gamemode == GAME_XONOTIC)
                              s->velocity[2] = 200;
                        else
                              s->velocity[2] = 100;
                  }
            }
      }

      CL_ClientMovement_Move(s);
}

static vec_t CL_IsMoveInDirection(vec_t forward, vec_t side, vec_t angle)
{
      if(forward == 0 && side == 0)
            return 0; // avoid division by zero
      angle -= RAD2DEG(atan2(side, forward));
      angle = (ANGLEMOD(angle + 180) - 180) / 45;
      if(angle >  1)
            return 0;
      if(angle < -1)
            return 0;
      return 1 - fabs(angle);
}

static vec_t CL_GeomLerp(vec_t a, vec_t lerp, vec_t b)
{
      if(a == 0)
      {
            if(lerp < 1)
                  return 0;
            else
                  return b;
      }
      if(b == 0)
      {
            if(lerp > 0)
                  return 0;
            else
                  return a;
      }
      return a * pow(fabs(b / a), lerp);
}

void CL_ClientMovement_Physics_CPM_PM_Aircontrol(cl_clientmovement_state_t *s, vec3_t wishdir, vec_t wishspeed)
{
      vec_t zspeed, speed, dot, k;

#if 0
      // this doesn't play well with analog input
      if(s->cmd.forwardmove == 0 || s->cmd.sidemove != 0)
            return;
      k = 32;
#else
      k = 32 * (2 * CL_IsMoveInDirection(s->cmd.forwardmove, s->cmd.sidemove, 0) - 1);
      if(k <= 0)
            return;
#endif

      k *= bound(0, wishspeed / cl.movevars_maxairspeed, 1);

      zspeed = s->velocity[2];
      s->velocity[2] = 0;
      speed = VectorNormalizeLength(s->velocity);

      dot = DotProduct(s->velocity, wishdir);

      if(dot > 0) { // we can't change direction while slowing down
            k *= pow(dot, cl.movevars_aircontrol_power)*s->cmd.frametime;
            speed = max(0, speed - cl.movevars_aircontrol_penalty * sqrt(max(0, 1 - dot*dot)) * k/32);
            k *= cl.movevars_aircontrol;
            VectorMAM(speed, s->velocity, k, wishdir, s->velocity);
            VectorNormalize(s->velocity);
      }

      VectorScale(s->velocity, speed, s->velocity);
      s->velocity[2] = zspeed;
}

float CL_ClientMovement_Physics_AdjustAirAccelQW(float accelqw, float factor)
{
      return
            (accelqw < 0 ? -1 : +1)
            *
            bound(0.000001, 1 - (1 - fabs(accelqw)) * factor, 1);
}

void CL_ClientMovement_Physics_PM_Accelerate(cl_clientmovement_state_t *s, vec3_t wishdir, vec_t wishspeed, vec_t wishspeed0, vec_t accel, vec_t accelqw, vec_t stretchfactor, vec_t sidefric, vec_t speedlimit)
{
      vec_t vel_straight;
      vec_t vel_z;
      vec3_t vel_perpend;
      vec_t step;
      vec3_t vel_xy;
      vec_t vel_xy_current;
      vec_t vel_xy_backward, vel_xy_forward;
      vec_t speedclamp;

      if(stretchfactor > 0)
            speedclamp = stretchfactor;
      else if(accelqw < 0)
            speedclamp = 1;
      else
            speedclamp = -1; // no clamping

      if(accelqw < 0)
            accelqw = -accelqw;

      if(cl.moveflags & MOVEFLAG_Q2AIRACCELERATE)
            wishspeed0 = wishspeed; // don't need to emulate this Q1 bug

      vel_straight = DotProduct(s->velocity, wishdir);
      vel_z = s->velocity[2];
      VectorCopy(s->velocity, vel_xy); vel_xy[2] -= vel_z;
      VectorMA(vel_xy, -vel_straight, wishdir, vel_perpend);

      step = accel * s->cmd.frametime * wishspeed0;

      vel_xy_current  = VectorLength(vel_xy);
      if(speedlimit > 0)
            accelqw = CL_ClientMovement_Physics_AdjustAirAccelQW(accelqw, (speedlimit - bound(wishspeed, vel_xy_current, speedlimit)) / max(1, speedlimit - wishspeed));
      vel_xy_forward  = vel_xy_current + bound(0, wishspeed - vel_xy_current, step) * accelqw + step * (1 - accelqw);
      vel_xy_backward = vel_xy_current - bound(0, wishspeed + vel_xy_current, step) * accelqw - step * (1 - accelqw);
      if(vel_xy_backward < 0)
            vel_xy_backward = 0; // not that it REALLY occurs that this would cause wrong behaviour afterwards

      vel_straight    = vel_straight   + bound(0, wishspeed - vel_straight,   step) * accelqw + step * (1 - accelqw);

      if(sidefric < 0 && VectorLength2(vel_perpend))
            // negative: only apply so much sideways friction to stay below the speed you could get by "braking"
      {
            vec_t f, fmin;
            f = max(0, 1 + s->cmd.frametime * wishspeed * sidefric);
            fmin = (vel_xy_backward*vel_xy_backward - vel_straight*vel_straight) / VectorLength2(vel_perpend);
            // assume: fmin > 1
            // vel_xy_backward*vel_xy_backward - vel_straight*vel_straight > vel_perpend*vel_perpend
            // vel_xy_backward*vel_xy_backward > vel_straight*vel_straight + vel_perpend*vel_perpend
            // vel_xy_backward*vel_xy_backward > vel_xy * vel_xy
            // obviously, this cannot be
            if(fmin <= 0)
                  VectorScale(vel_perpend, f, vel_perpend);
            else
            {
                  fmin = sqrt(fmin);
                  VectorScale(vel_perpend, max(fmin, f), vel_perpend);
            }
      }
      else
            VectorScale(vel_perpend, max(0, 1 - s->cmd.frametime * wishspeed * sidefric), vel_perpend);

      VectorMA(vel_perpend, vel_straight, wishdir, s->velocity);

      if(speedclamp >= 0)
      {
            vec_t vel_xy_preclamp;
            vel_xy_preclamp = VectorLength(s->velocity);
            if(vel_xy_preclamp > 0) // prevent division by zero
            {
                  vel_xy_current += (vel_xy_forward - vel_xy_current) * speedclamp;
                  if(vel_xy_current < vel_xy_preclamp)
                        VectorScale(s->velocity, (vel_xy_current / vel_xy_preclamp), s->velocity);
            }
      }

      s->velocity[2] += vel_z;
}

void CL_ClientMovement_Physics_PM_AirAccelerate(cl_clientmovement_state_t *s, vec3_t wishdir, vec_t wishspeed)
{
    vec3_t curvel, wishvel, acceldir, curdir;
    float addspeed, accelspeed, curspeed;
    float dot;

    float airforwardaccel = cl.movevars_warsowbunny_airforwardaccel;
    float bunnyaccel = cl.movevars_warsowbunny_accel;
    float bunnytopspeed = cl.movevars_warsowbunny_topspeed;
    float turnaccel = cl.movevars_warsowbunny_turnaccel;
    float backtosideratio = cl.movevars_warsowbunny_backtosideratio;

    if( !wishspeed )
        return;

    VectorCopy( s->velocity, curvel );
    curvel[2] = 0;
    curspeed = VectorLength( curvel );

    if( wishspeed > curspeed * 1.01f )
    {
        float accelspeed = curspeed + airforwardaccel * cl.movevars_maxairspeed * s->cmd.frametime;
        if( accelspeed < wishspeed )
            wishspeed = accelspeed;
    }
    else
    {
        float f = ( bunnytopspeed - curspeed ) / ( bunnytopspeed - cl.movevars_maxairspeed );
        if( f < 0 )
            f = 0;
        wishspeed = max( curspeed, cl.movevars_maxairspeed ) + bunnyaccel * f * cl.movevars_maxairspeed * s->cmd.frametime;
    }
    VectorScale( wishdir, wishspeed, wishvel );
    VectorSubtract( wishvel, curvel, acceldir );
    addspeed = VectorNormalizeLength( acceldir );

    accelspeed = turnaccel * cl.movevars_maxairspeed /* wishspeed */ * s->cmd.frametime;
    if( accelspeed > addspeed )
        accelspeed = addspeed;

    if( backtosideratio < 1.0f )
    {
        VectorNormalize2( curvel, curdir );
        dot = DotProduct( acceldir, curdir );
        if( dot < 0 )
            VectorMA( acceldir, -( 1.0f - backtosideratio ) * dot, curdir, acceldir );
    }

    VectorMA( s->velocity, accelspeed, acceldir, s->velocity );
}

void CL_ClientMovement_Physics_Walk(cl_clientmovement_state_t *s)
{
      vec_t friction;
      vec_t wishspeed;
      vec_t addspeed;
      vec_t accelspeed;
      vec_t f;
      vec_t gravity;
      vec3_t forward;
      vec3_t right;
      vec3_t up;
      vec3_t wishvel;
      vec3_t wishdir;
      vec3_t yawangles;
      trace_t trace;

      // jump if on ground with jump button pressed but only if it has been
      // released at least once since the last jump
      if (s->cmd.jump)
      {
            if (s->onground && (s->cmd.canjump || !cl_movement_track_canjump.integer)) // FIXME remove this cvar again when canjump logic actually works, or maybe keep it for mods that allow "pogo-ing"
            {
                  s->velocity[2] += cl.movevars_jumpvelocity;
                  s->onground = false;
                  s->cmd.canjump = false;
            }
      }
      else
            s->cmd.canjump = true;

      // calculate movement vector
      VectorSet(yawangles, 0, s->cmd.viewangles[1], 0);
      AngleVectors(yawangles, forward, right, up);
      VectorMAM(s->cmd.forwardmove, forward, s->cmd.sidemove, right, wishvel);

      // split wishvel into wishspeed and wishdir
      wishspeed = VectorLength(wishvel);
      if (wishspeed)
            VectorScale(wishvel, 1 / wishspeed, wishdir);
      else
            VectorSet( wishdir, 0.0, 0.0, 0.0 );
      // check if onground
      if (s->onground)
      {
            wishspeed = min(wishspeed, cl.movevars_maxspeed);
            if (s->crouched)
                  wishspeed *= 0.5;

            // apply edge friction
            f = sqrt(s->velocity[0] * s->velocity[0] + s->velocity[1] * s->velocity[1]);
            if (f > 0)
            {
                  friction = cl.movevars_friction;
                  if (cl.movevars_edgefriction != 1)
                  {
                        vec3_t neworigin2;
                        vec3_t neworigin3;
                        // note: QW uses the full player box for the trace, and yet still
                        // uses s->origin[2] + s->mins[2], which is clearly an bug, but
                        // this mimics it for compatibility
                        VectorSet(neworigin2, s->origin[0] + s->velocity[0]*(16/f), s->origin[1] + s->velocity[1]*(16/f), s->origin[2] + s->mins[2]);
                        VectorSet(neworigin3, neworigin2[0], neworigin2[1], neworigin2[2] - 34);
                        if (cls.protocol == PROTOCOL_QUAKEWORLD)
                              trace = CL_TraceBox(neworigin2, s->mins, s->maxs, neworigin3, MOVE_NORMAL, NULL, SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY | SUPERCONTENTS_PLAYERCLIP, true, true, NULL, false);
                        else
                              trace = CL_TraceLine(neworigin2, neworigin3, MOVE_NORMAL, NULL, SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY | SUPERCONTENTS_PLAYERCLIP, true, true, NULL, false, false);
                        if (trace.fraction == 1 && !trace.startsolid)
                              friction *= cl.movevars_edgefriction;
                  }
                  // apply ground friction
                  f = 1 - s->cmd.frametime * friction * ((f < cl.movevars_stopspeed) ? (cl.movevars_stopspeed / f) : 1);
                  f = max(f, 0);
                  VectorScale(s->velocity, f, s->velocity);
            }
            addspeed = wishspeed - DotProduct(s->velocity, wishdir);
            if (addspeed > 0)
            {
                  accelspeed = min(cl.movevars_accelerate * s->cmd.frametime * wishspeed, addspeed);
                  VectorMA(s->velocity, accelspeed, wishdir, s->velocity);
            }
            if(cl.moveflags & MOVEFLAG_NOGRAVITYONGROUND)
                  gravity = 0;
            else
                  gravity = cl.movevars_gravity * cl.movevars_entgravity * s->cmd.frametime;
            if(cl.moveflags & MOVEFLAG_GRAVITYUNAFFECTEDBYTICRATE)
                  s->velocity[2] -= gravity * 0.5f;
            else
                  s->velocity[2] -= gravity;
            if (cls.protocol == PROTOCOL_QUAKEWORLD)
                  s->velocity[2] = 0;
            if (VectorLength2(s->velocity))
                  CL_ClientMovement_Move(s);
            if(cl.moveflags & MOVEFLAG_GRAVITYUNAFFECTEDBYTICRATE)
                  s->velocity[2] -= gravity * 0.5f;
      }
      else
      {
            if (s->waterjumptime <= 0)
            {
                  // apply air speed limit
                  vec_t accel, wishspeed0, wishspeed2, accelqw, strafity;
                  qboolean accelerating;

                  accelqw = cl.movevars_airaccel_qw;
                  wishspeed0 = wishspeed;
                  wishspeed = min(wishspeed, cl.movevars_maxairspeed);
                  if (s->crouched)
                        wishspeed *= 0.5;
                  accel = cl.movevars_airaccelerate;

                  accelerating = (DotProduct(s->velocity, wishdir) > 0);
                  wishspeed2 = wishspeed;

                  // CPM: air control
                  if(cl.movevars_airstopaccelerate != 0)
                  {
                        vec3_t curdir;
                        curdir[0] = s->velocity[0];
                        curdir[1] = s->velocity[1];
                        curdir[2] = 0;
                        VectorNormalize(curdir);
                        accel = accel + (cl.movevars_airstopaccelerate - accel) * max(0, -DotProduct(curdir, wishdir));
                  }
                  strafity = CL_IsMoveInDirection(s->cmd.forwardmove, s->cmd.sidemove, -90) + CL_IsMoveInDirection(s->cmd.forwardmove, s->cmd.sidemove, +90); // if one is nonzero, other is always zero
                  if(cl.movevars_maxairstrafespeed)
                        wishspeed = min(wishspeed, CL_GeomLerp(cl.movevars_maxairspeed, strafity, cl.movevars_maxairstrafespeed));
                  if(cl.movevars_airstrafeaccelerate)
                        accel = CL_GeomLerp(cl.movevars_airaccelerate, strafity, cl.movevars_airstrafeaccelerate);
                  if(cl.movevars_airstrafeaccel_qw)
                        accelqw =
                              (((strafity > 0.5 ? cl.movevars_airstrafeaccel_qw : cl.movevars_airaccel_qw) >= 0) ? +1 : -1)
                              *
                              (1 - CL_GeomLerp(1 - fabs(cl.movevars_airaccel_qw), strafity, 1 - fabs(cl.movevars_airstrafeaccel_qw)));
                  // !CPM

                  if(cl.movevars_warsowbunny_turnaccel && accelerating && s->cmd.sidemove == 0 && s->cmd.forwardmove != 0)
                        CL_ClientMovement_Physics_PM_AirAccelerate(s, wishdir, wishspeed2);
                  else
                        CL_ClientMovement_Physics_PM_Accelerate(s, wishdir, wishspeed, wishspeed0, accel, accelqw, cl.movevars_airaccel_qw_stretchfactor, cl.movevars_airaccel_sideways_friction / cl.movevars_maxairspeed, cl.movevars_airspeedlimit_nonqw);

                  if(cl.movevars_aircontrol)
                        CL_ClientMovement_Physics_CPM_PM_Aircontrol(s, wishdir, wishspeed2);
            }
            gravity = cl.movevars_gravity * cl.movevars_entgravity * s->cmd.frametime;
            if(cl.moveflags & MOVEFLAG_GRAVITYUNAFFECTEDBYTICRATE)
                  s->velocity[2] -= gravity * 0.5f;
            else
                  s->velocity[2] -= gravity;
            CL_ClientMovement_Move(s);
            if(cl.moveflags & MOVEFLAG_GRAVITYUNAFFECTEDBYTICRATE)
                  s->velocity[2] -= gravity * 0.5f;
      }
}

void CL_ClientMovement_PlayerMove(cl_clientmovement_state_t *s)
{
      //Con_Printf(" %f", frametime);
      if (!s->cmd.jump)
            s->cmd.canjump = true;
      s->waterjumptime -= s->cmd.frametime;
      CL_ClientMovement_UpdateStatus(s);
      if (s->waterlevel >= WATERLEVEL_SWIMMING)
            CL_ClientMovement_Physics_Swim(s);
      else
            CL_ClientMovement_Physics_Walk(s);
}

extern cvar_t slowmo;
void CL_UpdateMoveVars(void)
{
      if (cls.protocol == PROTOCOL_QUAKEWORLD)
      {
            cl.moveflags = 0;
      }
      else if (cl.stats[STAT_MOVEVARS_TICRATE])
      {
            cl.moveflags = cl.stats[STAT_MOVEFLAGS];
            cl.movevars_ticrate = cl.statsf[STAT_MOVEVARS_TICRATE];
            cl.movevars_timescale = cl.statsf[STAT_MOVEVARS_TIMESCALE];
            cl.movevars_gravity = cl.statsf[STAT_MOVEVARS_GRAVITY];
            cl.movevars_stopspeed = cl.statsf[STAT_MOVEVARS_STOPSPEED] ;
            cl.movevars_maxspeed = cl.statsf[STAT_MOVEVARS_MAXSPEED];
            cl.movevars_spectatormaxspeed = cl.statsf[STAT_MOVEVARS_SPECTATORMAXSPEED];
            cl.movevars_accelerate = cl.statsf[STAT_MOVEVARS_ACCELERATE];
            cl.movevars_airaccelerate = cl.statsf[STAT_MOVEVARS_AIRACCELERATE];
            cl.movevars_wateraccelerate = cl.statsf[STAT_MOVEVARS_WATERACCELERATE];
            cl.movevars_entgravity = cl.statsf[STAT_MOVEVARS_ENTGRAVITY];
            cl.movevars_jumpvelocity = cl.statsf[STAT_MOVEVARS_JUMPVELOCITY];
            cl.movevars_edgefriction = cl.statsf[STAT_MOVEVARS_EDGEFRICTION];
            cl.movevars_maxairspeed = cl.statsf[STAT_MOVEVARS_MAXAIRSPEED];
            cl.movevars_stepheight = cl.statsf[STAT_MOVEVARS_STEPHEIGHT];
            cl.movevars_airaccel_qw = cl.statsf[STAT_MOVEVARS_AIRACCEL_QW];
            cl.movevars_airaccel_qw_stretchfactor = cl.statsf[STAT_MOVEVARS_AIRACCEL_QW_STRETCHFACTOR];
            cl.movevars_airaccel_sideways_friction = cl.statsf[STAT_MOVEVARS_AIRACCEL_SIDEWAYS_FRICTION];
            cl.movevars_friction = cl.statsf[STAT_MOVEVARS_FRICTION];
            cl.movevars_wallfriction = cl.statsf[STAT_MOVEVARS_WALLFRICTION];
            cl.movevars_waterfriction = cl.statsf[STAT_MOVEVARS_WATERFRICTION];
            cl.movevars_airstopaccelerate = cl.statsf[STAT_MOVEVARS_AIRSTOPACCELERATE];
            cl.movevars_airstrafeaccelerate = cl.statsf[STAT_MOVEVARS_AIRSTRAFEACCELERATE];
            cl.movevars_maxairstrafespeed = cl.statsf[STAT_MOVEVARS_MAXAIRSTRAFESPEED];
            cl.movevars_airstrafeaccel_qw = cl.statsf[STAT_MOVEVARS_AIRSTRAFEACCEL_QW];
            cl.movevars_aircontrol = cl.statsf[STAT_MOVEVARS_AIRCONTROL];
            cl.movevars_aircontrol_power = cl.statsf[STAT_MOVEVARS_AIRCONTROL_POWER];
            cl.movevars_aircontrol_penalty = cl.statsf[STAT_MOVEVARS_AIRCONTROL_PENALTY];
            cl.movevars_warsowbunny_airforwardaccel = cl.statsf[STAT_MOVEVARS_WARSOWBUNNY_AIRFORWARDACCEL];
            cl.movevars_warsowbunny_accel = cl.statsf[STAT_MOVEVARS_WARSOWBUNNY_ACCEL];
            cl.movevars_warsowbunny_topspeed = cl.statsf[STAT_MOVEVARS_WARSOWBUNNY_TOPSPEED];
            cl.movevars_warsowbunny_turnaccel = cl.statsf[STAT_MOVEVARS_WARSOWBUNNY_TURNACCEL];
            cl.movevars_warsowbunny_backtosideratio = cl.statsf[STAT_MOVEVARS_WARSOWBUNNY_BACKTOSIDERATIO];
            cl.movevars_airspeedlimit_nonqw = cl.statsf[STAT_MOVEVARS_AIRSPEEDLIMIT_NONQW];
      }
      else
      {
            cl.moveflags = 0;
            cl.movevars_ticrate = slowmo.value / bound(1.0f, cl_netfps.value, 1000.0f);
            cl.movevars_timescale = slowmo.value;
            cl.movevars_gravity = sv_gravity.value;
            cl.movevars_stopspeed = cl_movement_stopspeed.value;
            cl.movevars_maxspeed = cl_movement_maxspeed.value;
            cl.movevars_spectatormaxspeed = cl_movement_maxspeed.value;
            cl.movevars_accelerate = cl_movement_accelerate.value;
            cl.movevars_airaccelerate = cl_movement_airaccelerate.value < 0 ? cl_movement_accelerate.value : cl_movement_airaccelerate.value;
            cl.movevars_wateraccelerate = cl_movement_wateraccelerate.value < 0 ? cl_movement_accelerate.value : cl_movement_wateraccelerate.value;
            cl.movevars_friction = cl_movement_friction.value;
            cl.movevars_wallfriction = cl_movement_wallfriction.value;
            cl.movevars_waterfriction = cl_movement_waterfriction.value < 0 ? cl_movement_friction.value : cl_movement_waterfriction.value;
            cl.movevars_entgravity = 1;
            cl.movevars_jumpvelocity = cl_movement_jumpvelocity.value;
            cl.movevars_edgefriction = cl_movement_edgefriction.value;
            cl.movevars_maxairspeed = cl_movement_maxairspeed.value;
            cl.movevars_stepheight = cl_movement_stepheight.value;
            cl.movevars_airaccel_qw = cl_movement_airaccel_qw.value;
            cl.movevars_airaccel_qw_stretchfactor = 0;
            cl.movevars_airaccel_sideways_friction = cl_movement_airaccel_sideways_friction.value;
            cl.movevars_airstopaccelerate = 0;
            cl.movevars_airstrafeaccelerate = 0;
            cl.movevars_maxairstrafespeed = 0;
            cl.movevars_airstrafeaccel_qw = 0;
            cl.movevars_aircontrol = 0;
            cl.movevars_aircontrol_power = 2;
            cl.movevars_aircontrol_penalty = 0;
            cl.movevars_warsowbunny_airforwardaccel = 0;
            cl.movevars_warsowbunny_accel = 0;
            cl.movevars_warsowbunny_topspeed = 0;
            cl.movevars_warsowbunny_turnaccel = 0;
            cl.movevars_warsowbunny_backtosideratio = 0;
            cl.movevars_airspeedlimit_nonqw = 0;
      }

      if(!(cl.moveflags & MOVEFLAG_VALID))
      {
            if(gamemode == GAME_NEXUIZ)
                  cl.moveflags = MOVEFLAG_Q2AIRACCELERATE;
      }

      if(cl.movevars_aircontrol_power <= 0)
            cl.movevars_aircontrol_power = 2; // CPMA default
}

void CL_ClientMovement_Replay(void)
{
      int i;
      double totalmovemsec;
      cl_clientmovement_state_t s;

      if (cl.movement_predicted && !cl.movement_replay)
            return;

      if (!cl_movement_replay.integer)
            return;

      // set up starting state for the series of moves
      memset(&s, 0, sizeof(s));
      VectorCopy(cl.entities[cl.playerentity].state_current.origin, s.origin);
      VectorCopy(cl.mvelocity[0], s.velocity);
      s.crouched = true; // will be updated on first move
      //Con_Printf("movement replay starting org %f %f %f vel %f %f %f\n", s.origin[0], s.origin[1], s.origin[2], s.velocity[0], s.velocity[1], s.velocity[2]);

      totalmovemsec = 0;
      for (i = 0;i < CL_MAX_USERCMDS;i++)
            if (cl.movecmd[i].sequence > cls.servermovesequence)
                  totalmovemsec += cl.movecmd[i].msec;
      cl.movement_predicted = totalmovemsec >= cl_movement_minping.value && cls.servermovesequence && (cl_movement.integer && !cls.demoplayback && cls.signon == SIGNONS && cl.stats[STAT_HEALTH] > 0 && !cl.intermission);
      //Con_Printf("%i = %.0f >= %.0f && %i && (%i && %i && %i == %i && %i > 0 && %i\n", cl.movement_predicted, totalmovemsec, cl_movement_minping.value, cls.servermovesequence, cl_movement.integer, !cls.demoplayback, cls.signon, SIGNONS, cl.stats[STAT_HEALTH], !cl.intermission);
      if (cl.movement_predicted)
      {
            //Con_Printf("%ims\n", cl.movecmd[0].msec);

            // replay the input queue to predict current location
            // note: this relies on the fact there's always one queue item at the end

            // find how many are still valid
            for (i = 0;i < CL_MAX_USERCMDS;i++)
                  if (cl.movecmd[i].sequence <= cls.servermovesequence)
                        break;
            // now walk them in oldest to newest order
            for (i--;i >= 0;i--)
            {
                  s.cmd = cl.movecmd[i];
                  if (i < CL_MAX_USERCMDS - 1)
                        s.cmd.canjump = cl.movecmd[i+1].canjump;
                  // if a move is more than 50ms, do it as two moves (matching qwsv)
                  //Con_Printf("%i ", s.cmd.msec);
                  if(s.cmd.frametime > 0.0005)
                  {
                        if (s.cmd.frametime > 0.05)
                        {
                              s.cmd.frametime /= 2;
                              CL_ClientMovement_PlayerMove(&s);
                        }
                        CL_ClientMovement_PlayerMove(&s);
                        cl.movecmd[i].canjump = s.cmd.canjump;
                  }
            }
            //Con_Printf("\n");
            CL_ClientMovement_UpdateStatus(&s);
      }
      else
      {
            // get the first movement queue entry to know whether to crouch and such
            s.cmd = cl.movecmd[0];
      }

      if (cls.demoplayback) // for bob, speedometer
            VectorCopy(cl.mvelocity[0], cl.movement_velocity);
      else
      {
            cl.movement_replay = false;
            // update the interpolation target position and velocity
            VectorCopy(s.origin, cl.movement_origin);
            VectorCopy(s.velocity, cl.movement_velocity);
      }

      // update the onground flag if appropriate
      if (cl.movement_predicted)
      {
            // when predicted we simply set the flag according to the UpdateStatus
            cl.onground = s.onground;
      }
      else
      {
            // when not predicted, cl.onground is cleared by cl_parse.c each time
            // an update packet is received, but can be forced on here to hide
            // server inconsistencies in the onground flag
            // (which mostly occur when stepping up stairs at very high framerates
            //  where after the step up the move continues forward and not
            //  downward so the ground is not detected)
            //
            // such onground inconsistencies can cause jittery gun bobbing and
            // stair smoothing, so we set onground if UpdateStatus says so
            if (s.onground)
                  cl.onground = true;
      }

      // react to onground state changes (for gun bob)
      if (cl.onground)
      {
            if (!cl.oldonground)
                  cl.hitgroundtime = cl.movecmd[0].time;
            cl.lastongroundtime = cl.movecmd[0].time;
      }
      cl.oldonground = cl.onground;
}

void QW_MSG_WriteDeltaUsercmd(sizebuf_t *buf, usercmd_t *from, usercmd_t *to)
{
      int bits;

      bits = 0;
      if (to->viewangles[0] != from->viewangles[0])
            bits |= QW_CM_ANGLE1;
      if (to->viewangles[1] != from->viewangles[1])
            bits |= QW_CM_ANGLE2;
      if (to->viewangles[2] != from->viewangles[2])
            bits |= QW_CM_ANGLE3;
      if (to->forwardmove != from->forwardmove)
            bits |= QW_CM_FORWARD;
      if (to->sidemove != from->sidemove)
            bits |= QW_CM_SIDE;
      if (to->upmove != from->upmove)
            bits |= QW_CM_UP;
      if (to->buttons != from->buttons)
            bits |= QW_CM_BUTTONS;
      if (to->impulse != from->impulse)
            bits |= QW_CM_IMPULSE;

      MSG_WriteByte(buf, bits);
      if (bits & QW_CM_ANGLE1)
            MSG_WriteAngle16i(buf, to->viewangles[0]);
      if (bits & QW_CM_ANGLE2)
            MSG_WriteAngle16i(buf, to->viewangles[1]);
      if (bits & QW_CM_ANGLE3)
            MSG_WriteAngle16i(buf, to->viewangles[2]);
      if (bits & QW_CM_FORWARD)
            MSG_WriteShort(buf, (short) to->forwardmove);
      if (bits & QW_CM_SIDE)
            MSG_WriteShort(buf, (short) to->sidemove);
      if (bits & QW_CM_UP)
            MSG_WriteShort(buf, (short) to->upmove);
      if (bits & QW_CM_BUTTONS)
            MSG_WriteByte(buf, to->buttons);
      if (bits & QW_CM_IMPULSE)
            MSG_WriteByte(buf, to->impulse);
      MSG_WriteByte(buf, to->msec);
}

void CL_NewFrameReceived(int num)
{
      if (developer_networkentities.integer >= 10)
            Con_Printf("recv: svc_entities %i\n", num);
      cl.latestframenums[cl.latestframenumsposition] = num;
      cl.latestsendnums[cl.latestframenumsposition] = cl.cmd.sequence;
      cl.latestframenumsposition = (cl.latestframenumsposition + 1) % LATESTFRAMENUMS;
}

void CL_RotateMoves(const matrix4x4_t *m)
{
      // rotate viewangles in all previous moves
      vec3_t v;
      vec3_t f, r, u;
      int i;
      for (i = 0;i < CL_MAX_USERCMDS;i++)
      {
            if (cl.movecmd[i].sequence > cls.servermovesequence)
            {
                  usercmd_t *c = &cl.movecmd[i];
                  AngleVectors(c->viewangles, f, r, u);
                  Matrix4x4_Transform(m, f, v); VectorCopy(v, f);
                  Matrix4x4_Transform(m, u, v); VectorCopy(v, u);
                  AnglesFromVectors(c->viewangles, f, u, false);
            }
      }
}

/*
==============
CL_SendMove
==============
*/
usercmd_t nullcmd; // for delta compression of qw moves
void CL_SendMove(void)
{
      int i, j, packetloss;
      int checksumindex;
      int bits;
      int maxusercmds;
      usercmd_t *cmd;
      sizebuf_t buf;
      unsigned char data[1024];
      double packettime;
      int msecdelta;
      qboolean quemove;
      qboolean important;

      // if playing a demo, do nothing
      if (!cls.netcon)
            return;

      // we don't que moves during a lag spike (potential network timeout)
      quemove = realtime - cl.last_received_message < cl_movement_nettimeout.value;

      // we build up cl.cmd and then decide whether to send or not
      // we store this into cl.movecmd[0] for prediction each frame even if we
      // do not send, to make sure that prediction is instant
      cl.cmd.time = cl.time;
      cl.cmd.sequence = cls.netcon->outgoing_unreliable_sequence;

      // set button bits
      // LordHavoc: added 6 new buttons and use and chat buttons, and prydon cursor active button
      bits = 0;
      if (in_attack.state   & 3) bits |=   1;
      if (in_jump.state     & 3) bits |=   2;
      if (in_button3.state  & 3) bits |=   4;
      if (in_button4.state  & 3) bits |=   8;
      if (in_button5.state  & 3) bits |=  16;
      if (in_button6.state  & 3) bits |=  32;
      if (in_button7.state  & 3) bits |=  64;
      if (in_button8.state  & 3) bits |= 128;
      if (in_use.state      & 3) bits |= 256;
      if (key_dest != key_game || key_consoleactive) bits |= 512;
      if (cl_prydoncursor.integer > 0) bits |= 1024;
      if (in_button9.state  & 3)  bits |=   2048;
      if (in_button10.state  & 3) bits |=   4096;
      if (in_button11.state  & 3) bits |=   8192;
      if (in_button12.state  & 3) bits |=  16384;
      if (in_button13.state  & 3) bits |=  32768;
      if (in_button14.state  & 3) bits |=  65536;
      if (in_button15.state  & 3) bits |= 131072;
      if (in_button16.state  & 3) bits |= 262144;
      // button bits 19-31 unused currently
      // rotate/zoom view serverside if PRYDON_CLIENTCURSOR cursor is at edge of screen
      if(cl_prydoncursor.integer > 0)
      {
            if (cl.cmd.cursor_screen[0] <= -1) bits |= 8;
            if (cl.cmd.cursor_screen[0] >=  1) bits |= 16;
            if (cl.cmd.cursor_screen[1] <= -1) bits |= 32;
            if (cl.cmd.cursor_screen[1] >=  1) bits |= 64;
      }

      // set buttons and impulse
      cl.cmd.buttons = bits;
      cl.cmd.impulse = in_impulse;

      // set viewangles
      VectorCopy(cl.viewangles, cl.cmd.viewangles);

      msecdelta = (int)(floor(cl.cmd.time * 1000) - floor(cl.movecmd[1].time * 1000));
      cl.cmd.msec = (unsigned char)bound(0, msecdelta, 255);
      // ridiculous value rejection (matches qw)
      if (cl.cmd.msec > 250)
            cl.cmd.msec = 100;
      cl.cmd.frametime = cl.cmd.msec * (1.0 / 1000.0);

      cl.cmd.predicted = cl_movement.integer != 0;

      // movement is set by input code (forwardmove/sidemove/upmove)
      // always dump the first two moves, because they may contain leftover inputs from the last level
      if (cl.cmd.sequence <= 2)
            cl.cmd.forwardmove = cl.cmd.sidemove = cl.cmd.upmove = cl.cmd.impulse = cl.cmd.buttons = 0;

      cl.cmd.jump = (cl.cmd.buttons & 2) != 0;
      cl.cmd.crouch = 0;
      switch (cls.protocol)
      {
      case PROTOCOL_QUAKEWORLD:
      case PROTOCOL_QUAKE:
      case PROTOCOL_QUAKEDP:
      case PROTOCOL_NEHAHRAMOVIE:
      case PROTOCOL_NEHAHRABJP:
      case PROTOCOL_NEHAHRABJP2:
      case PROTOCOL_NEHAHRABJP3:
      case PROTOCOL_DARKPLACES1:
      case PROTOCOL_DARKPLACES2:
      case PROTOCOL_DARKPLACES3:
      case PROTOCOL_DARKPLACES4:
      case PROTOCOL_DARKPLACES5:
            break;
      case PROTOCOL_DARKPLACES6:
      case PROTOCOL_DARKPLACES7:
            // FIXME: cl.cmd.buttons & 16 is +button5, Nexuiz/Xonotic specific
            cl.cmd.crouch = (cl.cmd.buttons & 16) != 0;
            break;
      case PROTOCOL_UNKNOWN:
            break;
      }

      if (quemove)
            cl.movecmd[0] = cl.cmd;

      // don't predict more than 200fps
      if (realtime >= cl.lastpackettime + 0.005)
            cl.movement_replay = true; // redo the prediction

      // now decide whether to actually send this move
      // (otherwise it is only for prediction)

      // don't send too often or else network connections can get clogged by a
      // high renderer framerate
      packettime = 1.0 / bound(1, cl_netfps.value, 1000);
      if (cl.movevars_timescale && cl.movevars_ticrate)
      {
            float maxtic = cl.movevars_ticrate / cl.movevars_timescale;
            packettime = min(packettime, maxtic);
      }

      // do not send 0ms packets because they mess up physics
      if(cl.cmd.msec == 0 && cl.time > cl.oldtime && (cls.protocol == PROTOCOL_QUAKEWORLD || cls.signon == SIGNONS))
            return;
      // always send if buttons changed or an impulse is pending
      // even if it violates the rate limit!
      important = (cl.cmd.impulse || (cl_netimmediatebuttons.integer && cl.cmd.buttons != cl.movecmd[1].buttons));
      // don't send too often (cl_netfps)
      if (!important && realtime < cl.lastpackettime + packettime)
            return;
      // don't choke the connection with packets (obey rate limit)
      // it is important that this check be last, because it adds a new
      // frame to the shownetgraph output and any cancelation after this
      // will produce a nasty spike-like look to the netgraph
      // we also still send if it is important
      if (!NetConn_CanSend(cls.netcon) && !important)
            return;
      // try to round off the lastpackettime to a multiple of the packet interval
      // (this causes it to emit packets at a steady beat)
      if (packettime > 0)
            cl.lastpackettime = floor(realtime / packettime) * packettime;
      else
            cl.lastpackettime = realtime;

      buf.maxsize = sizeof(data);
      buf.cursize = 0;
      buf.data = data;

      // send the movement message
      // PROTOCOL_QUAKE        clc_move = 16 bytes total
      // PROTOCOL_QUAKEDP      clc_move = 16 bytes total
      // PROTOCOL_NEHAHRAMOVIE clc_move = 16 bytes total
      // PROTOCOL_DARKPLACES1  clc_move = 19 bytes total
      // PROTOCOL_DARKPLACES2  clc_move = 25 bytes total
      // PROTOCOL_DARKPLACES3  clc_move = 25 bytes total
      // PROTOCOL_DARKPLACES4  clc_move = 19 bytes total
      // PROTOCOL_DARKPLACES5  clc_move = 19 bytes total
      // PROTOCOL_DARKPLACES6  clc_move = 52 bytes total
      // PROTOCOL_DARKPLACES7  clc_move = 56 bytes total per move (can be up to 16 moves)
      // PROTOCOL_QUAKEWORLD   clc_move = 34 bytes total (typically, but can reach 43 bytes, or even 49 bytes with roll)

      // set prydon cursor info
      CL_UpdatePrydonCursor();

      if (cls.protocol == PROTOCOL_QUAKEWORLD || cls.signon == SIGNONS)
      {
            switch (cls.protocol)
            {
            case PROTOCOL_QUAKEWORLD:
                  MSG_WriteByte(&buf, qw_clc_move);
                  // save the position for a checksum byte
                  checksumindex = buf.cursize;
                  MSG_WriteByte(&buf, 0);
                  // packet loss percentage
                  for (j = 0, packetloss = 0;j < NETGRAPH_PACKETS;j++)
                        if (cls.netcon->incoming_netgraph[j].unreliablebytes == NETGRAPH_LOSTPACKET)
                              packetloss++;
                  packetloss = packetloss * 100 / NETGRAPH_PACKETS;
                  MSG_WriteByte(&buf, packetloss);
                  // write most recent 3 moves
                  QW_MSG_WriteDeltaUsercmd(&buf, &nullcmd, &cl.movecmd[2]);
                  QW_MSG_WriteDeltaUsercmd(&buf, &cl.movecmd[2], &cl.movecmd[1]);
                  QW_MSG_WriteDeltaUsercmd(&buf, &cl.movecmd[1], &cl.cmd);
                  // calculate the checksum
                  buf.data[checksumindex] = COM_BlockSequenceCRCByteQW(buf.data + checksumindex + 1, buf.cursize - checksumindex - 1, cls.netcon->outgoing_unreliable_sequence);
                  // if delta compression history overflows, request no delta
                  if (cls.netcon->outgoing_unreliable_sequence - cl.qw_validsequence >= QW_UPDATE_BACKUP-1)
                        cl.qw_validsequence = 0;
                  // request delta compression if appropriate
                  if (cl.qw_validsequence && !cl_nodelta.integer && cls.state == ca_connected && !cls.demorecording)
                  {
                        cl.qw_deltasequence[cls.netcon->outgoing_unreliable_sequence & QW_UPDATE_MASK] = cl.qw_validsequence;
                        MSG_WriteByte(&buf, qw_clc_delta);
                        MSG_WriteByte(&buf, cl.qw_validsequence & 255);
                  }
                  else
                        cl.qw_deltasequence[cls.netcon->outgoing_unreliable_sequence & QW_UPDATE_MASK] = -1;
                  break;
            case PROTOCOL_QUAKE:
            case PROTOCOL_QUAKEDP:
            case PROTOCOL_NEHAHRAMOVIE:
            case PROTOCOL_NEHAHRABJP:
            case PROTOCOL_NEHAHRABJP2:
            case PROTOCOL_NEHAHRABJP3:
                  // 5 bytes
                  MSG_WriteByte (&buf, clc_move);
                  MSG_WriteFloat (&buf, cl.cmd.time); // last server packet time
                  // 3 bytes (6 bytes in proquake)
                  if (cls.proquake_servermod == 1) // MOD_PROQUAKE
                  {
                        for (i = 0;i < 3;i++)
                              MSG_WriteAngle16i (&buf, cl.cmd.viewangles[i]);
                  }
                  else
                  {
                        for (i = 0;i < 3;i++)
                              MSG_WriteAngle8i (&buf, cl.cmd.viewangles[i]);
                  }
                  // 6 bytes
                  MSG_WriteCoord16i (&buf, cl.cmd.forwardmove);
                  MSG_WriteCoord16i (&buf, cl.cmd.sidemove);
                  MSG_WriteCoord16i (&buf, cl.cmd.upmove);
                  // 2 bytes
                  MSG_WriteByte (&buf, cl.cmd.buttons);
                  MSG_WriteByte (&buf, cl.cmd.impulse);
                  break;
            case PROTOCOL_DARKPLACES2:
            case PROTOCOL_DARKPLACES3:
                  // 5 bytes
                  MSG_WriteByte (&buf, clc_move);
                  MSG_WriteFloat (&buf, cl.cmd.time); // last server packet time
                  // 12 bytes
                  for (i = 0;i < 3;i++)
                        MSG_WriteAngle32f (&buf, cl.cmd.viewangles[i]);
                  // 6 bytes
                  MSG_WriteCoord16i (&buf, cl.cmd.forwardmove);
                  MSG_WriteCoord16i (&buf, cl.cmd.sidemove);
                  MSG_WriteCoord16i (&buf, cl.cmd.upmove);
                  // 2 bytes
                  MSG_WriteByte (&buf, cl.cmd.buttons);
                  MSG_WriteByte (&buf, cl.cmd.impulse);
                  break;
            case PROTOCOL_DARKPLACES1:
            case PROTOCOL_DARKPLACES4:
            case PROTOCOL_DARKPLACES5:
                  // 5 bytes
                  MSG_WriteByte (&buf, clc_move);
                  MSG_WriteFloat (&buf, cl.cmd.time); // last server packet time
                  // 6 bytes
                  for (i = 0;i < 3;i++)
                        MSG_WriteAngle16i (&buf, cl.cmd.viewangles[i]);
                  // 6 bytes
                  MSG_WriteCoord16i (&buf, cl.cmd.forwardmove);
                  MSG_WriteCoord16i (&buf, cl.cmd.sidemove);
                  MSG_WriteCoord16i (&buf, cl.cmd.upmove);
                  // 2 bytes
                  MSG_WriteByte (&buf, cl.cmd.buttons);
                  MSG_WriteByte (&buf, cl.cmd.impulse);
            case PROTOCOL_DARKPLACES6:
            case PROTOCOL_DARKPLACES7:
                  // set the maxusercmds variable to limit how many should be sent
                  maxusercmds = bound(1, cl_netrepeatinput.integer + 1, min(3, CL_MAX_USERCMDS));
                  // when movement prediction is off, there's not much point in repeating old input as it will just be ignored
                  if (!cl.cmd.predicted)
                        maxusercmds = 1;

                  // send the latest moves in order, the old ones will be
                  // ignored by the server harmlessly, however if the previous
                  // packets were lost these moves will be used
                  //
                  // this reduces packet loss impact on gameplay.
                  for (j = 0, cmd = &cl.movecmd[maxusercmds-1];j < maxusercmds;j++, cmd--)
                  {
                        // don't repeat any stale moves
                        if (cmd->sequence && cmd->sequence < cls.servermovesequence)
                              continue;
                        // 5/9 bytes
                        MSG_WriteByte (&buf, clc_move);
                        if (cls.protocol != PROTOCOL_DARKPLACES6)
                              MSG_WriteLong (&buf, cmd->predicted ? cmd->sequence : 0);
                        MSG_WriteFloat (&buf, cmd->time); // last server packet time
                        // 6 bytes
                        for (i = 0;i < 3;i++)
                              MSG_WriteAngle16i (&buf, cmd->viewangles[i]);
                        // 6 bytes
                        MSG_WriteCoord16i (&buf, cmd->forwardmove);
                        MSG_WriteCoord16i (&buf, cmd->sidemove);
                        MSG_WriteCoord16i (&buf, cmd->upmove);
                        // 5 bytes
                        MSG_WriteLong (&buf, cmd->buttons);
                        MSG_WriteByte (&buf, cmd->impulse);
                        // PRYDON_CLIENTCURSOR
                        // 30 bytes
                        MSG_WriteShort (&buf, (short)(cmd->cursor_screen[0] * 32767.0f));
                        MSG_WriteShort (&buf, (short)(cmd->cursor_screen[1] * 32767.0f));
                        MSG_WriteFloat (&buf, cmd->cursor_start[0]);
                        MSG_WriteFloat (&buf, cmd->cursor_start[1]);
                        MSG_WriteFloat (&buf, cmd->cursor_start[2]);
                        MSG_WriteFloat (&buf, cmd->cursor_impact[0]);
                        MSG_WriteFloat (&buf, cmd->cursor_impact[1]);
                        MSG_WriteFloat (&buf, cmd->cursor_impact[2]);
                        MSG_WriteShort (&buf, cmd->cursor_entitynumber);
                  }
                  break;
            case PROTOCOL_UNKNOWN:
                  break;
            }
      }

      if (cls.protocol != PROTOCOL_QUAKEWORLD && buf.cursize)
      {
            // ack entity frame numbers received since the last input was sent
            // (redundent to improve handling of client->server packet loss)
            // if cl_netrepeatinput is 1 and client framerate matches server
            // framerate, this is 10 bytes, if client framerate is lower this
            // will be more...
            int i, j;
            int oldsequence = cl.cmd.sequence - bound(1, cl_netrepeatinput.integer + 1, 3);
            if (oldsequence < 1)
                  oldsequence = 1;
            for (i = 0;i < LATESTFRAMENUMS;i++)
            {
                  j = (cl.latestframenumsposition + i) % LATESTFRAMENUMS;
                  if (cl.latestsendnums[j] >= oldsequence)
                  {
                        if (developer_networkentities.integer >= 10)
                              Con_Printf("send clc_ackframe %i\n", cl.latestframenums[j]);
                        MSG_WriteByte(&buf, clc_ackframe);
                        MSG_WriteLong(&buf, cl.latestframenums[j]);
                  }
            }
      }

      // PROTOCOL_DARKPLACES6 = 67 bytes per packet
      // PROTOCOL_DARKPLACES7 = 71 bytes per packet

      // acknowledge any recently received data blocks
      for (i = 0;i < CL_MAX_DOWNLOADACKS && (cls.dp_downloadack[i].start || cls.dp_downloadack[i].size);i++)
      {
            MSG_WriteByte(&buf, clc_ackdownloaddata);
            MSG_WriteLong(&buf, cls.dp_downloadack[i].start);
            MSG_WriteShort(&buf, cls.dp_downloadack[i].size);
            cls.dp_downloadack[i].start = 0;
            cls.dp_downloadack[i].size = 0;
      }

      // send the reliable message (forwarded commands) if there is one
      if (buf.cursize || cls.netcon->message.cursize)
            NetConn_SendUnreliableMessage(cls.netcon, &buf, cls.protocol, max(20*(buf.cursize+40), cl_rate.integer), false);

      if (quemove)
      {
            // update the cl.movecmd array which holds the most recent moves,
            // because we now need a new slot for the next input
            for (i = CL_MAX_USERCMDS - 1;i >= 1;i--)
                  cl.movecmd[i] = cl.movecmd[i-1];
            cl.movecmd[0].msec = 0;
            cl.movecmd[0].frametime = 0;
      }

      // clear button 'click' states
      in_attack.state  &= ~2;
      in_jump.state    &= ~2;
      in_button3.state &= ~2;
      in_button4.state &= ~2;
      in_button5.state &= ~2;
      in_button6.state &= ~2;
      in_button7.state &= ~2;
      in_button8.state &= ~2;
      in_use.state     &= ~2;
      in_button9.state  &= ~2;
      in_button10.state &= ~2;
      in_button11.state &= ~2;
      in_button12.state &= ~2;
      in_button13.state &= ~2;
      in_button14.state &= ~2;
      in_button15.state &= ~2;
      in_button16.state &= ~2;
      // clear impulse
      in_impulse = 0;

      if (cls.netcon->message.overflowed)
      {
            Con_Print("CL_SendMove: lost server connection\n");
            CL_Disconnect();
            Host_ShutdownServer();
      }
}

/*
============
CL_InitInput
============
*/
void CL_InitInput (void)
{
      Cmd_AddCommand ("+moveup",IN_UpDown, "swim upward");
      Cmd_AddCommand ("-moveup",IN_UpUp, "stop swimming upward");
      Cmd_AddCommand ("+movedown",IN_DownDown, "swim downward");
      Cmd_AddCommand ("-movedown",IN_DownUp, "stop swimming downward");
      Cmd_AddCommand ("+left",IN_LeftDown, "turn left");
      Cmd_AddCommand ("-left",IN_LeftUp, "stop turning left");
      Cmd_AddCommand ("+right",IN_RightDown, "turn right");
      Cmd_AddCommand ("-right",IN_RightUp, "stop turning right");
      Cmd_AddCommand ("+forward",IN_ForwardDown, "move forward");
      Cmd_AddCommand ("-forward",IN_ForwardUp, "stop moving forward");
      Cmd_AddCommand ("+back",IN_BackDown, "move backward");
      Cmd_AddCommand ("-back",IN_BackUp, "stop moving backward");
      Cmd_AddCommand ("+lookup", IN_LookupDown, "look upward");
      Cmd_AddCommand ("-lookup", IN_LookupUp, "stop looking upward");
      Cmd_AddCommand ("+lookdown", IN_LookdownDown, "look downward");
      Cmd_AddCommand ("-lookdown", IN_LookdownUp, "stop looking downward");
      Cmd_AddCommand ("+strafe", IN_StrafeDown, "activate strafing mode (move instead of turn)");
      Cmd_AddCommand ("-strafe", IN_StrafeUp, "deactivate strafing mode");
      Cmd_AddCommand ("+moveleft", IN_MoveleftDown, "strafe left");
      Cmd_AddCommand ("-moveleft", IN_MoveleftUp, "stop strafing left");
      Cmd_AddCommand ("+moveright", IN_MoverightDown, "strafe right");
      Cmd_AddCommand ("-moveright", IN_MoverightUp, "stop strafing right");
      Cmd_AddCommand ("+speed", IN_SpeedDown, "activate run mode (faster movement and turning)");
      Cmd_AddCommand ("-speed", IN_SpeedUp, "deactivate run mode");
      Cmd_AddCommand ("+attack", IN_AttackDown, "begin firing");
      Cmd_AddCommand ("-attack", IN_AttackUp, "stop firing");
      Cmd_AddCommand ("+jump", IN_JumpDown, "jump");
      Cmd_AddCommand ("-jump", IN_JumpUp, "end jump (so you can jump again)");
      Cmd_AddCommand ("impulse", IN_Impulse, "send an impulse number to server (select weapon, use item, etc)");
      Cmd_AddCommand ("+klook", IN_KLookDown, "activate keyboard looking mode, do not recenter view");
      Cmd_AddCommand ("-klook", IN_KLookUp, "deactivate keyboard looking mode");
      Cmd_AddCommand ("+mlook", IN_MLookDown, "activate mouse looking mode, do not recenter view");
      Cmd_AddCommand ("-mlook", IN_MLookUp, "deactivate mouse looking mode");

      // LordHavoc: added use button
      Cmd_AddCommand ("+use", IN_UseDown, "use something (may be used by some mods)");
      Cmd_AddCommand ("-use", IN_UseUp, "stop using something");

      // LordHavoc: added 6 new buttons
      Cmd_AddCommand ("+button3", IN_Button3Down, "activate button3 (behavior depends on mod)");
      Cmd_AddCommand ("-button3", IN_Button3Up, "deactivate button3");
      Cmd_AddCommand ("+button4", IN_Button4Down, "activate button4 (behavior depends on mod)");
      Cmd_AddCommand ("-button4", IN_Button4Up, "deactivate button4");
      Cmd_AddCommand ("+button5", IN_Button5Down, "activate button5 (behavior depends on mod)");
      Cmd_AddCommand ("-button5", IN_Button5Up, "deactivate button5");
      Cmd_AddCommand ("+button6", IN_Button6Down, "activate button6 (behavior depends on mod)");
      Cmd_AddCommand ("-button6", IN_Button6Up, "deactivate button6");
      Cmd_AddCommand ("+button7", IN_Button7Down, "activate button7 (behavior depends on mod)");
      Cmd_AddCommand ("-button7", IN_Button7Up, "deactivate button7");
      Cmd_AddCommand ("+button8", IN_Button8Down, "activate button8 (behavior depends on mod)");
      Cmd_AddCommand ("-button8", IN_Button8Up, "deactivate button8");
      Cmd_AddCommand ("+button9", IN_Button9Down, "activate button9 (behavior depends on mod)");
      Cmd_AddCommand ("-button9", IN_Button9Up, "deactivate button9");
      Cmd_AddCommand ("+button10", IN_Button10Down, "activate button10 (behavior depends on mod)");
      Cmd_AddCommand ("-button10", IN_Button10Up, "deactivate button10");
      Cmd_AddCommand ("+button11", IN_Button11Down, "activate button11 (behavior depends on mod)");
      Cmd_AddCommand ("-button11", IN_Button11Up, "deactivate button11");
      Cmd_AddCommand ("+button12", IN_Button12Down, "activate button12 (behavior depends on mod)");
      Cmd_AddCommand ("-button12", IN_Button12Up, "deactivate button12");
      Cmd_AddCommand ("+button13", IN_Button13Down, "activate button13 (behavior depends on mod)");
      Cmd_AddCommand ("-button13", IN_Button13Up, "deactivate button13");
      Cmd_AddCommand ("+button14", IN_Button14Down, "activate button14 (behavior depends on mod)");
      Cmd_AddCommand ("-button14", IN_Button14Up, "deactivate button14");
      Cmd_AddCommand ("+button15", IN_Button15Down, "activate button15 (behavior depends on mod)");
      Cmd_AddCommand ("-button15", IN_Button15Up, "deactivate button15");
      Cmd_AddCommand ("+button16", IN_Button16Down, "activate button16 (behavior depends on mod)");
      Cmd_AddCommand ("-button16", IN_Button16Up, "deactivate button16");

      // LordHavoc: added bestweapon command
      Cmd_AddCommand ("bestweapon", IN_BestWeapon, "send an impulse number to server to select the first usable weapon out of several (example: 8 7 6 5 4 3 2 1)");
#if 0
      Cmd_AddCommand ("cycleweapon", IN_CycleWeapon, "send an impulse number to server to select the next usable weapon out of several (example: 9 4 8) if you are holding one of these, and choose the first one if you are holding none of these");
#endif
      Cmd_AddCommand ("register_bestweapon", IN_BestWeapon_Register_f, "(for QC usage only) change weapon parameters to be used by bestweapon; stuffcmd this in ClientConnect");

      Cvar_RegisterVariable(&cl_movecliptokeyboard);
      Cvar_RegisterVariable(&cl_movement);
      Cvar_RegisterVariable(&cl_movement_replay);
      Cvar_RegisterVariable(&cl_movement_nettimeout);
      Cvar_RegisterVariable(&cl_movement_minping);
      Cvar_RegisterVariable(&cl_movement_track_canjump);
      Cvar_RegisterVariable(&cl_movement_maxspeed);
      Cvar_RegisterVariable(&cl_movement_maxairspeed);
      Cvar_RegisterVariable(&cl_movement_stopspeed);
      Cvar_RegisterVariable(&cl_movement_friction);
      Cvar_RegisterVariable(&cl_movement_wallfriction);
      Cvar_RegisterVariable(&cl_movement_waterfriction);
      Cvar_RegisterVariable(&cl_movement_edgefriction);
      Cvar_RegisterVariable(&cl_movement_stepheight);
      Cvar_RegisterVariable(&cl_movement_accelerate);
      Cvar_RegisterVariable(&cl_movement_airaccelerate);
      Cvar_RegisterVariable(&cl_movement_wateraccelerate);
      Cvar_RegisterVariable(&cl_movement_jumpvelocity);
      Cvar_RegisterVariable(&cl_movement_airaccel_qw);
      Cvar_RegisterVariable(&cl_movement_airaccel_sideways_friction);

      Cvar_RegisterVariable(&in_pitch_min);
      Cvar_RegisterVariable(&in_pitch_max);
      Cvar_RegisterVariable(&m_filter);
      Cvar_RegisterVariable(&m_accelerate);
      Cvar_RegisterVariable(&m_accelerate_minspeed);
      Cvar_RegisterVariable(&m_accelerate_maxspeed);
      Cvar_RegisterVariable(&m_accelerate_filter);

      Cvar_RegisterVariable(&cl_netfps);
      Cvar_RegisterVariable(&cl_netrepeatinput);
      Cvar_RegisterVariable(&cl_netimmediatebuttons);

      Cvar_RegisterVariable(&cl_nodelta);
}


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