]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - sv_user.c
added r_rtworld, r_rtworldshadows, r_rtdlight, r_rtdlightshadows, and r_lightmapinten...
[xonotic/darkplaces.git] / sv_user.c
index 10cd006b3c608863d8fcd5e379ef21a72ffeee3e..147a5552d4f1001794df93ce07d1d20e4a64a374 100644 (file)
--- a/sv_user.c
+++ b/sv_user.c
@@ -8,7 +8,7 @@ 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.  
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 
 See the GNU General Public License for more details.
 
@@ -21,29 +21,15 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
 #include "quakedef.h"
 
-edict_t        *sv_player;
+edict_t *sv_player;
 
-extern cvar_t  sv_friction;
-cvar_t sv_edgefriction = {"edgefriction", "2"};
-cvar_t sv_predict = {"sv_predict", "1"};
-cvar_t sv_deltacompress = {"sv_deltacompress", "1"};
-extern cvar_t  sv_stopspeed;
+cvar_t sv_edgefriction = {0, "edgefriction", "2"};
+cvar_t sv_deltacompress = {0, "sv_deltacompress", "1"};
+cvar_t sv_idealpitchscale = {0, "sv_idealpitchscale","0.8"};
+cvar_t sv_maxspeed = {CVAR_NOTIFY, "sv_maxspeed", "320"};
+cvar_t sv_accelerate = {0, "sv_accelerate", "10"};
 
-static vec3_t          forward, right, up;
-
-vec3_t wishdir;
-float  wishspeed;
-
-// world
-float  *angles;
-float  *origin;
-float  *velocity;
-
-qboolean       onground;
-
-usercmd_t      cmd;
-
-cvar_t sv_idealpitchscale = {"sv_idealpitchscale","0.8"};
+static usercmd_t cmd;
 
 
 /*
@@ -61,33 +47,35 @@ void SV_SetIdealPitch (void)
        int             i, j;
        int             step, dir, steps;
 
-       if (!((int)sv_player->v.flags & FL_ONGROUND))
+       if (!((int)sv_player->v->flags & FL_ONGROUND))
                return;
-               
-       angleval = sv_player->v.angles[YAW] * M_PI*2 / 360;
+
+       angleval = sv_player->v->angles[YAW] * M_PI*2 / 360;
        sinval = sin(angleval);
        cosval = cos(angleval);
 
        for (i=0 ; i<MAX_FORWARD ; i++)
        {
-               top[0] = sv_player->v.origin[0] + cosval*(i+3)*12;
-               top[1] = sv_player->v.origin[1] + sinval*(i+3)*12;
-               top[2] = sv_player->v.origin[2] + sv_player->v.view_ofs[2];
-               
+               top[0] = sv_player->v->origin[0] + cosval*(i+3)*12;
+               top[1] = sv_player->v->origin[1] + sinval*(i+3)*12;
+               top[2] = sv_player->v->origin[2] + sv_player->v->view_ofs[2];
+
                bottom[0] = top[0];
                bottom[1] = top[1];
                bottom[2] = top[2] - 160;
-               
-               tr = SV_Move (top, vec3_origin, vec3_origin, bottom, 1, sv_player);
-               if (tr.allsolid)
-                       return; // looking at a wall, leave ideal the way is was
 
+               tr = SV_Move (top, vec3_origin, vec3_origin, bottom, MOVE_NOMONSTERS, sv_player);
+               // if looking at a wall, leave ideal the way is was
+               if (tr.startsolid)
+                       return;
+
+               // near a dropoff
                if (tr.fraction == 1)
-                       return; // near a dropoff
-               
+                       return;
+
                z[i] = top[2] + tr.fraction*(bottom[2]-top[2]);
        }
-       
+
        dir = 0;
        steps = 0;
        for (j=1 ; j<i ; j++)
@@ -96,24 +84,30 @@ void SV_SetIdealPitch (void)
                if (step > -ON_EPSILON && step < ON_EPSILON)
                        continue;
 
+               // mixed changes
                if (dir && ( step-dir > ON_EPSILON || step-dir < -ON_EPSILON ) )
-                       return;         // mixed changes
+                       return;
 
-               steps++;        
+               steps++;
                dir = step;
        }
-       
+
        if (!dir)
        {
-               sv_player->v.idealpitch = 0;
+               sv_player->v->idealpitch = 0;
                return;
        }
-       
+
        if (steps < 2)
                return;
-       sv_player->v.idealpitch = -dir * sv_idealpitchscale.value;
+       sv_player->v->idealpitch = -dir * sv_idealpitchscale.value;
 }
 
+#if 1
+static vec3_t wishdir, forward, right, up;
+static float wishspeed;
+
+static qboolean onground;
 
 /*
 ==================
@@ -123,43 +117,37 @@ SV_UserFriction
 */
 void SV_UserFriction (void)
 {
-       float   *vel;
-       float   speed, newspeed, control;
-       vec3_t  start, stop;
-       float   friction;
-       trace_t trace;
-       
-       vel = velocity;
-       
-       speed = sqrt(vel[0]*vel[0] +vel[1]*vel[1]);
+       float speed, newspeed, control, friction;
+       vec3_t start, stop;
+       trace_t trace;
+
+       speed = sqrt(sv_player->v->velocity[0]*sv_player->v->velocity[0]+sv_player->v->velocity[1]*sv_player->v->velocity[1]);
        if (!speed)
                return;
 
-// if the leading edge is over a dropoff, increase friction
-       start[0] = stop[0] = origin[0] + vel[0]/speed*16;
-       start[1] = stop[1] = origin[1] + vel[1]/speed*16;
-       start[2] = origin[2] + sv_player->v.mins[2];
+       // if the leading edge is over a dropoff, increase friction
+       start[0] = stop[0] = sv_player->v->origin[0] + sv_player->v->velocity[0]/speed*16;
+       start[1] = stop[1] = sv_player->v->origin[1] + sv_player->v->velocity[1]/speed*16;
+       start[2] = sv_player->v->origin[2] + sv_player->v->mins[2];
        stop[2] = start[2] - 34;
 
-       trace = SV_Move (start, vec3_origin, vec3_origin, stop, true, sv_player);
+       trace = SV_Move (start, vec3_origin, vec3_origin, stop, MOVE_NOMONSTERS, sv_player);
 
        if (trace.fraction == 1.0)
                friction = sv_friction.value*sv_edgefriction.value;
        else
                friction = sv_friction.value;
 
-// apply friction      
+       // apply friction
        control = speed < sv_stopspeed.value ? sv_stopspeed.value : speed;
        newspeed = speed - sv.frametime*control*friction;
-       
+
        if (newspeed < 0)
                newspeed = 0;
        else
                newspeed /= speed;
 
-       vel[0] = vel[0] * newspeed;
-       vel[1] = vel[1] * newspeed;
-       vel[2] = vel[2] * newspeed;
+       VectorScale(sv_player->v->velocity, newspeed, sv_player->v->velocity);
 }
 
 /*
@@ -167,84 +155,60 @@ void SV_UserFriction (void)
 SV_Accelerate
 ==============
 */
-cvar_t sv_maxspeed = {"sv_maxspeed", "320", false, true};
-cvar_t sv_accelerate = {"sv_accelerate", "10"};
-#if 0
-void SV_Accelerate (vec3_t wishvel)
-{
-       int                     i;
-       float           addspeed, accelspeed;
-       vec3_t          pushvec;
-
-       if (wishspeed == 0)
-               return;
-
-       VectorSubtract (wishvel, velocity, pushvec);
-       addspeed = VectorNormalize (pushvec);
-
-       accelspeed = sv_accelerate.value*sv.frametime*addspeed;
-       if (accelspeed > addspeed)
-               accelspeed = addspeed;
-       
-       for (i=0 ; i<3 ; i++)
-               velocity[i] += accelspeed*pushvec[i];   
-}
-#endif
 void SV_Accelerate (void)
 {
-       int                     i;
-       float           addspeed, accelspeed, currentspeed;
+       int i;
+       float addspeed, accelspeed, currentspeed;
 
-       currentspeed = DotProduct (velocity, wishdir);
+       currentspeed = DotProduct (sv_player->v->velocity, wishdir);
        addspeed = wishspeed - currentspeed;
        if (addspeed <= 0)
                return;
        accelspeed = sv_accelerate.value*sv.frametime*wishspeed;
        if (accelspeed > addspeed)
                accelspeed = addspeed;
-       
+
        for (i=0 ; i<3 ; i++)
-               velocity[i] += accelspeed*wishdir[i];   
+               sv_player->v->velocity[i] += accelspeed*wishdir[i];
 }
 
 void SV_AirAccelerate (vec3_t wishveloc)
 {
-       int                     i;
-       float           addspeed, wishspd, accelspeed, currentspeed;
-               
+       int i;
+       float addspeed, wishspd, accelspeed, currentspeed;
+
        wishspd = VectorNormalizeLength (wishveloc);
        if (wishspd > 30)
                wishspd = 30;
-       currentspeed = DotProduct (velocity, wishveloc);
+       currentspeed = DotProduct (sv_player->v->velocity, wishveloc);
        addspeed = wishspd - currentspeed;
        if (addspeed <= 0)
                return;
-//     accelspeed = sv_accelerate.value * sv.frametime;
        accelspeed = sv_accelerate.value*wishspeed * sv.frametime;
        if (accelspeed > addspeed)
                accelspeed = addspeed;
-       
+
        for (i=0 ; i<3 ; i++)
-               velocity[i] += accelspeed*wishveloc[i]; 
+               sv_player->v->velocity[i] += accelspeed*wishveloc[i];
 }
 
 
 void DropPunchAngle (void)
 {
-       float   len;
-       eval_t  *val;
-       
-       len = VectorNormalizeLength (sv_player->v.punchangle);
-       
+       float len;
+       eval_t *val;
+
+       len = VectorNormalizeLength (sv_player->v->punchangle);
+
        len -= 10*sv.frametime;
        if (len < 0)
                len = 0;
-       VectorScale (sv_player->v.punchangle, len, sv_player->v.punchangle);
-       
+       VectorScale (sv_player->v->punchangle, len, sv_player->v->punchangle);
+
        if ((val = GETEDICTFIELDVALUE(sv_player, eval_punchvector)))
        {
                len = VectorNormalizeLength (val->vector);
-               
+
                len -= 20*sv.frametime;
                if (len < 0)
                        len = 0;
@@ -252,6 +216,28 @@ void DropPunchAngle (void)
        }
 }
 
+/*
+===================
+SV_FreeMove
+===================
+*/
+void SV_FreeMove (void)
+{
+       int i;
+       float wishspeed;
+
+       AngleVectors (sv_player->v->v_angle, forward, right, up);
+
+       for (i = 0; i < 3; i++)
+               sv_player->v->velocity[i] = forward[i] * cmd.forwardmove + right[i] * cmd.sidemove;
+
+       sv_player->v->velocity[2] += cmd.upmove;
+
+       wishspeed = VectorLength(sv_player->v->velocity);
+       if (wishspeed > sv_maxspeed.value)
+               VectorScale(sv_player->v->velocity, sv_maxspeed.value / wishspeed, sv_player->v->velocity);
+}
+
 /*
 ===================
 SV_WaterMove
@@ -260,14 +246,12 @@ SV_WaterMove
 */
 void SV_WaterMove (void)
 {
-       int             i;
-       vec3_t  wishvel;
-       float   speed, newspeed, wishspeed, addspeed, accelspeed;
+       int i;
+       vec3_t wishvel;
+       float speed, newspeed, wishspeed, addspeed, accelspeed, temp;
 
-//
-// user intentions
-//
-       AngleVectors (sv_player->v.v_angle, forward, right, up);
+       // user intentions
+       AngleVectors (sv_player->v->v_angle, forward, right, up);
 
        for (i=0 ; i<3 ; i++)
                wishvel[i] = forward[i]*cmd.forwardmove + right[i]*cmd.sidemove;
@@ -277,31 +261,29 @@ void SV_WaterMove (void)
        else
                wishvel[2] += cmd.upmove;
 
-       wishspeed = Length(wishvel);
+       wishspeed = VectorLength(wishvel);
        if (wishspeed > sv_maxspeed.value)
        {
-               VectorScale (wishvel, sv_maxspeed.value/wishspeed, wishvel);
+               temp = sv_maxspeed.value/wishspeed;
+               VectorScale (wishvel, temp, wishvel);
                wishspeed = sv_maxspeed.value;
        }
        wishspeed *= 0.7;
 
-//
-// water friction
-//
-       speed = Length (velocity);
+       // water friction
+       speed = VectorLength(sv_player->v->velocity);
        if (speed)
        {
                newspeed = speed - sv.frametime * speed * sv_friction.value;
                if (newspeed < 0)
-                       newspeed = 0;   
-               VectorScale (velocity, newspeed/speed, velocity);
+                       newspeed = 0;
+               temp = newspeed/speed;
+               VectorScale(sv_player->v->velocity, temp, sv_player->v->velocity);
        }
        else
                newspeed = 0;
-       
-//
-// water acceleration
-//
+
+       // water acceleration
        if (!wishspeed)
                return;
 
@@ -315,19 +297,18 @@ void SV_WaterMove (void)
                accelspeed = addspeed;
 
        for (i=0 ; i<3 ; i++)
-               velocity[i] += accelspeed * wishvel[i];
+               sv_player->v->velocity[i] += accelspeed * wishvel[i];
 }
 
 void SV_WaterJump (void)
 {
-       if (sv.time > sv_player->v.teleport_time
-       || !sv_player->v.waterlevel)
+       if (sv.time > sv_player->v->teleport_time || !sv_player->v->waterlevel)
        {
-               sv_player->v.flags = (int)sv_player->v.flags & ~FL_WATERJUMP;
-               sv_player->v.teleport_time = 0;
+               sv_player->v->flags = (int)sv_player->v->flags & ~FL_WATERJUMP;
+               sv_player->v->teleport_time = 0;
        }
-       sv_player->v.velocity[0] = sv_player->v.movedir[0];
-       sv_player->v.velocity[1] = sv_player->v.movedir[1];
+       sv_player->v->velocity[0] = sv_player->v->movedir[0];
+       sv_player->v->velocity[1] = sv_player->v->movedir[1];
 }
 
 
@@ -339,42 +320,41 @@ SV_AirMove
 */
 void SV_AirMove (void)
 {
-       int                     i;
-       vec3_t          wishvel;
-       float           fmove, smove;
+       int i;
+       vec3_t wishvel;
+       float fmove, smove, temp;
 
        // LordHavoc: correct quake movement speed bug when looking up/down
        wishvel[0] = wishvel[2] = 0;
-       wishvel[1] = sv_player->v.angles[1];
+       wishvel[1] = sv_player->v->angles[1];
        AngleVectors (wishvel, forward, right, up);
-//     AngleVectors (sv_player->v.angles, forward, right, up);
 
        fmove = cmd.forwardmove;
        smove = cmd.sidemove;
-       
+
 // hack to not let you back into teleporter
-       if (sv.time < sv_player->v.teleport_time && fmove < 0)
+       if (sv.time < sv_player->v->teleport_time && fmove < 0)
                fmove = 0;
-               
+
        for (i=0 ; i<3 ; i++)
                wishvel[i] = forward[i]*fmove + right[i]*smove;
 
-       if ( (int)sv_player->v.movetype != MOVETYPE_WALK)
-               wishvel[2] = cmd.upmove;
-       else
-               wishvel[2] = 0;
+       if ((int)sv_player->v->movetype != MOVETYPE_WALK)
+               wishvel[2] += cmd.upmove;
 
        VectorCopy (wishvel, wishdir);
        wishspeed = VectorNormalizeLength(wishdir);
        if (wishspeed > sv_maxspeed.value)
        {
-               VectorScale (wishvel, sv_maxspeed.value/wishspeed, wishvel);
+               temp = sv_maxspeed.value/wishspeed;
+               VectorScale (wishvel, temp, wishvel);
                wishspeed = sv_maxspeed.value;
        }
-       
-       if ( sv_player->v.movetype == MOVETYPE_NOCLIP)
-       {       // noclip
-               VectorCopy (wishvel, velocity);
+
+       if (sv_player->v->movetype == MOVETYPE_NOCLIP)
+       {
+               // noclip
+               VectorCopy (wishvel, sv_player->v->velocity);
        }
        else if ( onground )
        {
@@ -382,9 +362,10 @@ void SV_AirMove (void)
                SV_Accelerate ();
        }
        else
-       {       // not on ground, so little effect on velocity
+       {
+               // not on ground, so little effect on velocity
                SV_AirAccelerate (wishvel);
-       }               
+       }
 }
 
 /*
@@ -397,59 +378,226 @@ the angle fields specify an exact angular motion in degrees
 */
 void SV_ClientThink (void)
 {
-       vec3_t          v_angle;
+       vec3_t v_angle;
 
-       if (sv_player->v.movetype == MOVETYPE_NONE)
+       if (sv_player->v->movetype == MOVETYPE_NONE)
                return;
-       
-       onground = (int)sv_player->v.flags & FL_ONGROUND;
 
-       origin = sv_player->v.origin;
-       velocity = sv_player->v.velocity;
+       onground = (int)sv_player->v->flags & FL_ONGROUND;
 
        DropPunchAngle ();
-       
-//
-// if dead, behave differently
-//
-       if (sv_player->v.health <= 0)
+
+       // if dead, behave differently
+       if (sv_player->v->health <= 0)
                return;
 
-//
-// angles
-// show 1/3 the pitch angle and all the roll angle
        cmd = host_client->cmd;
-       angles = sv_player->v.angles;
-       
-       VectorAdd (sv_player->v.v_angle, sv_player->v.punchangle, v_angle);
-       angles[ROLL] = V_CalcRoll (sv_player->v.angles, sv_player->v.velocity)*4;
-       if (!sv_player->v.fixangle)
+
+       // angles
+       // show 1/3 the pitch angle and all the roll angle
+       VectorAdd (sv_player->v->v_angle, sv_player->v->punchangle, v_angle);
+       sv_player->v->angles[ROLL] = V_CalcRoll (sv_player->v->angles, sv_player->v->velocity)*4;
+       if (!sv_player->v->fixangle)
        {
-               // LordHavoc: pitch was ugly to begin with...  removed except in water
-               if (sv_player->v.waterlevel >= 2)
-                       angles[PITCH] = -v_angle[PITCH]/3;
-               else
-                       angles[PITCH] = 0;
-               angles[YAW] = v_angle[YAW];
+               sv_player->v->angles[PITCH] = -v_angle[PITCH]/3;
+               sv_player->v->angles[YAW] = v_angle[YAW];
        }
 
-       if ( (int)sv_player->v.flags & FL_WATERJUMP )
+       if ( (int)sv_player->v->flags & FL_WATERJUMP )
        {
                SV_WaterJump ();
                return;
        }
-//
-// walk
-//
-       if ( (sv_player->v.waterlevel >= 2)     && (sv_player->v.movetype != MOVETYPE_NOCLIP) )
+
+       /*
+       // Player is (somehow) outside of the map, or flying, or noclipping
+       if (sv_player->v->movetype != MOVETYPE_NOCLIP && (sv_player->v->movetype == MOVETYPE_FLY || SV_TestEntityPosition (sv_player)))
+       //if (sv_player->v->movetype == MOVETYPE_NOCLIP || sv_player->v->movetype == MOVETYPE_FLY || SV_TestEntityPosition (sv_player))
+       {
+               SV_FreeMove ();
+               return;
+       }
+       */
+
+       // walk
+       if ((sv_player->v->waterlevel >= 2) && (sv_player->v->movetype != MOVETYPE_NOCLIP))
        {
                SV_WaterMove ();
                return;
        }
 
-       SV_AirMove ();  
+       SV_AirMove ();
 }
 
+#else
+
+extern cvar_t cl_rollspeed;
+extern cvar_t cl_rollangle;
+void SV_ClientThink(void)
+{
+       int j;
+       vec3_t wishvel, wishdir, v, v_forward, v_right, v_up, start, stop;
+       float wishspeed, f, limit;
+       trace_t trace;
+
+       if (sv_player->v->movetype == MOVETYPE_NONE)
+               return;
+
+       f = DotProduct(sv_player->v->punchangle, sv_player->v->punchangle);
+       if (f)
+       {
+               limit = sqrt(f);
+               f = (limit - 10 * sv.frametime);
+               f /= limit;
+               f = max(0, f);
+               VectorScale(sv_player->v->punchangle, f, sv_player->v->punchangle);
+       }
+
+       // if dead, behave differently
+       if (sv_player->v->health <= 0)
+               return;
+
+       AngleVectors(sv_player->v->v_angle, v_forward, v_right, v_up);
+       // show 1/3 the pitch angle and all the roll angle
+       f = DotProduct(sv_player->v->velocity, v_right) * (1.0 / cl_rollspeed.value);
+       sv_player->v->angles[2] = bound(-1, f, 1) * cl_rollangle.value * 4;
+       if (!sv_player->v->fixangle)
+       {
+               sv_player->v->angles[0] = (sv_player->v->v_angle[0] + sv_player->v->punchangle[0]) * -0.333;
+               sv_player->v->angles[1] = sv_player->v->v_angle[1] + sv_player->v->punchangle[1];
+       }
+
+       if ((int)sv_player->v->flags & FL_WATERJUMP)
+       {
+               sv_player->v->velocity[0] = sv_player->v->movedir[0];
+               sv_player->v->velocity[1] = sv_player->v->movedir[1];
+               if (sv.time > sv_player->v->teleport_time || sv_player->v->waterlevel == 0)
+               {
+                       sv_player->v->flags = (int)sv_player->v->flags - ((int)sv_player->v->flags & FL_WATERJUMP);
+                       sv_player->v->teleport_time = 0;
+               }
+               return;
+       }
+
+       // swim
+       if (sv_player->v->waterlevel >= 2)
+       if (sv_player->v->movetype != MOVETYPE_NOCLIP)
+       {
+               if (host_client->cmd.forwardmove == 0 && host_client->cmd.sidemove == 0 && host_client->cmd.upmove == 0)
+               {
+                       // drift towards bottom
+                       wishvel[0] = 0;
+                       wishvel[1] = 0;
+                       wishvel[2] = -60;
+               }
+               else
+               {
+                       for (j = 0;j < 3;j++)
+                               wishvel[j] = v_forward[j] * host_client->cmd.forwardmove + v_right[j] * host_client->cmd.sidemove;
+                       wishvel[2] += host_client->cmd.upmove;
+               }
+
+               wishspeed = VectorLength(wishvel);
+               wishspeed = min(wishspeed, sv_maxspeed.value) * 0.7;
+
+               // water friction
+               f = VectorLength(sv_player->v->velocity) * (1 - sv.frametime * sv_friction.value);
+               if (f > 0)
+                       f /= VectorLength(sv_player->v->velocity);
+               else
+                       f = 0;
+               VectorScale(sv_player->v->velocity, f, sv_player->v->velocity);
+
+               // water acceleration
+               if (wishspeed <= f)
+                       return;
+
+               f = wishspeed - f;
+               limit = sv_accelerate.value * wishspeed * sv.frametime;
+               if (f > limit)
+                       f = limit;
+               limit = VectorLength(wishvel);
+               if (limit)
+                       f /= limit;
+               VectorMA(sv_player->v->velocity, f, wishvel, sv_player->v->velocity);
+               return;
+       }
+
+       // if not flying, move horizontally only
+       if (sv_player->v->movetype != MOVETYPE_FLY)
+       {
+               VectorClear(wishvel);
+               wishvel[1] = sv_player->v->v_angle[1];
+               AngleVectors(wishvel, v_forward, v_right, v_up);
+       }
+
+       // hack to not let you back into teleporter
+       VectorScale(v_right, host_client->cmd.sidemove, wishvel);
+       if (sv.time >= sv_player->v->teleport_time || host_client->cmd.forwardmove > 0)
+               VectorMA(wishvel, host_client->cmd.forwardmove, v_forward, wishvel);
+       if (sv_player->v->movetype != MOVETYPE_WALK)
+               wishvel[2] += cmd.upmove;
+
+       VectorCopy(wishvel, wishdir);
+       VectorNormalize(wishdir);
+       wishspeed = VectorLength(wishvel);
+       if (wishspeed > sv_maxspeed.value)
+               wishspeed = sv_maxspeed.value;
+
+       if (sv_player->v->movetype == MOVETYPE_NOCLIP || sv_player->v->movetype == MOVETYPE_FLY)
+       {
+               VectorScale(wishdir, wishspeed, sv_player->v->velocity);
+               return;
+       }
+
+       if ((int)sv_player->v->flags & FL_ONGROUND) // walking
+       {
+               // friction
+               f = sv_player->v->velocity[0] * sv_player->v->velocity[0] + sv_player->v->velocity[1] * sv_player->v->velocity[1];
+               if (f)
+               {
+                       f = sqrt(f);
+                       VectorCopy(sv_player->v->velocity, v);
+                       v[2] = 0;
+
+                       // if the leading edge is over a dropoff, increase friction
+                       limit = 16.0f / f;
+                       VectorMA(sv_player->v->origin, limit, v, v);
+                       v[2] += sv_player->v->mins[2];
+
+                       VectorCopy(v, start);
+                       VectorCopy(v, stop);
+                       stop[2] -= 34;
+                       trace = SV_Move(start, vec3_origin, vec3_origin, stop, MOVE_NOMONSTERS, sv_player);
+
+                       // apply friction
+                       if (f < sv_stopspeed.value)
+                               f = sv_stopspeed.value / f;
+                       else
+                               f = 1;
+                       if (trace.fraction == 1)
+                               f *= sv_edgefriction.value;
+                       f = 1 - sv.frametime * f * sv_friction.value;
+
+                       if (f < 0)
+                               f = 0;
+                       VectorScale(sv_player->v->velocity, f, sv_player->v->velocity);
+               }
+       }
+       else // airborn
+               wishspeed = min(wishspeed, 30);
+
+       // ground or air acceleration
+       f = wishspeed - DotProduct(sv_player->v->velocity, wishdir);
+       if (f > 0)
+       {
+               limit = sv_accelerate.value * sv.frametime * wishspeed;
+               if (f > limit)
+                       f = limit;
+               VectorMA(sv_player->v->velocity, f, wishdir, sv_player->v->velocity);
+       }
+}
+#endif
 
 /*
 ===================
@@ -458,204 +606,201 @@ SV_ReadClientMove
 */
 void SV_ReadClientMove (usercmd_t *move)
 {
-       int             i;
-       vec3_t  angle;
-       int             bits;
-       eval_t  *val;
-       float   total;
-       
-// read ping time
-       host_client->ping_times[host_client->num_pings%NUM_PING_TIMES]
-               = sv.time - MSG_ReadFloat ();
+       int i;
+       vec3_t angle;
+       int bits;
+       eval_t *val;
+       float total;
+
+       // read ping time
+       if (msg_badread) Con_Printf("SV_ReadClientMessage: badread at %s:%i\n", __FILE__, __LINE__);
+       host_client->ping_times[host_client->num_pings % NUM_PING_TIMES] = sv.time - MSG_ReadFloat ();
+       if (msg_badread) Con_Printf("SV_ReadClientMessage: badread at %s:%i\n", __FILE__, __LINE__);
        host_client->num_pings++;
        for (i=0, total = 0;i < NUM_PING_TIMES;i++)
                total += host_client->ping_times[i];
-       host_client->ping = total / NUM_PING_TIMES; // can be used for prediction
-       host_client->latency = 0;
-       if (sv_predict.value && (svs.maxclients > 1) && (!sv.paused)) // if paused or a local game, don't predict
-               host_client->latency = host_client->ping;
-       if ((val = GETEDICTFIELDVALUE(host_client->edict, eval_ping)))
+       // can be used for prediction
+       host_client->ping = total / NUM_PING_TIMES;
+       if ((val = GETEDICTFIELDVALUE(sv_player, eval_ping)))
                val->_float = host_client->ping * 1000.0;
 
-// read current angles
-       if (dpprotocol)
-       {
-               for (i=0 ; i<3 ; i++)
-                       angle[i] = MSG_ReadPreciseAngle ();
-       }
-       else
+       // read current angles
+       for (i = 0;i < 3;i++)
        {
-               for (i=0 ; i<3 ; i++)
-                       angle[i] = MSG_ReadAngle ();
+               if (msg_badread) Con_Printf("SV_ReadClientMessage: badread at %s:%i\n", __FILE__, __LINE__);
+               if (sv.protocol == PROTOCOL_QUAKE)
+                       angle[i] = MSG_ReadAngle8i();
+               else if (sv.protocol == PROTOCOL_DARKPLACES2 || sv.protocol == PROTOCOL_DARKPLACES3)
+                       angle[i] = MSG_ReadAngle32f();
+               else if (sv.protocol == PROTOCOL_DARKPLACES1 || sv.protocol == PROTOCOL_DARKPLACES4 || sv.protocol == PROTOCOL_DARKPLACES5)
+                       angle[i] = MSG_ReadAngle16i();
+               if (msg_badread) Con_Printf("SV_ReadClientMessage: badread at %s:%i\n", __FILE__, __LINE__);
        }
 
-       VectorCopy (angle, host_client->edict->v.v_angle);
-               
-// read movement
-       move->forwardmove = MSG_ReadShort ();
-       move->sidemove = MSG_ReadShort ();
-       move->upmove = MSG_ReadShort ();
-       if ((val = GETEDICTFIELDVALUE(host_client->edict, eval_movement)))
+       VectorCopy (angle, sv_player->v->v_angle);
+
+       // read movement
+       if (msg_badread) Con_Printf("SV_ReadClientMessage: badread at %s:%i\n", __FILE__, __LINE__);
+       move->forwardmove = MSG_ReadCoord16i ();
+       if (msg_badread) Con_Printf("SV_ReadClientMessage: badread at %s:%i\n", __FILE__, __LINE__);
+       move->sidemove = MSG_ReadCoord16i ();
+       if (msg_badread) Con_Printf("SV_ReadClientMessage: badread at %s:%i\n", __FILE__, __LINE__);
+       move->upmove = MSG_ReadCoord16i ();
+       if (msg_badread) Con_Printf("SV_ReadClientMessage: badread at %s:%i\n", __FILE__, __LINE__);
+       if ((val = GETEDICTFIELDVALUE(sv_player, eval_movement)))
        {
                val->vector[0] = move->forwardmove;
                val->vector[1] = move->sidemove;
                val->vector[2] = move->upmove;
        }
-       
-// read buttons
+
+       // read buttons
        bits = MSG_ReadByte ();
-       host_client->edict->v.button0 = bits & 1;
-       host_client->edict->v.button2 = (bits & 2)>>1;
+       if (msg_badread) Con_Printf("SV_ReadClientMessage: badread at %s:%i\n", __FILE__, __LINE__);
+       sv_player->v->button0 = bits & 1;
+       sv_player->v->button2 = (bits & 2)>>1;
        // LordHavoc: added 6 new buttons
-       if ((val = GETEDICTFIELDVALUE(host_client->edict, eval_button3))) val->_float = ((bits >> 2) & 1);
-       if ((val = GETEDICTFIELDVALUE(host_client->edict, eval_button4))) val->_float = ((bits >> 3) & 1);
-       if ((val = GETEDICTFIELDVALUE(host_client->edict, eval_button5))) val->_float = ((bits >> 4) & 1);
-       if ((val = GETEDICTFIELDVALUE(host_client->edict, eval_button6))) val->_float = ((bits >> 5) & 1);
-       if ((val = GETEDICTFIELDVALUE(host_client->edict, eval_button7))) val->_float = ((bits >> 6) & 1);
-       if ((val = GETEDICTFIELDVALUE(host_client->edict, eval_button8))) val->_float = ((bits >> 7) & 1);
+       if ((val = GETEDICTFIELDVALUE(sv_player, eval_button3))) val->_float = ((bits >> 2) & 1);
+       if ((val = GETEDICTFIELDVALUE(sv_player, eval_button4))) val->_float = ((bits >> 3) & 1);
+       if ((val = GETEDICTFIELDVALUE(sv_player, eval_button5))) val->_float = ((bits >> 4) & 1);
+       if ((val = GETEDICTFIELDVALUE(sv_player, eval_button6))) val->_float = ((bits >> 5) & 1);
+       if ((val = GETEDICTFIELDVALUE(sv_player, eval_button7))) val->_float = ((bits >> 6) & 1);
+       if ((val = GETEDICTFIELDVALUE(sv_player, eval_button8))) val->_float = ((bits >> 7) & 1);
 
        i = MSG_ReadByte ();
+       if (msg_badread) Con_Printf("SV_ReadClientMessage: badread at %s:%i\n", __FILE__, __LINE__);
        if (i)
-               host_client->edict->v.impulse = i;
+               sv_player->v->impulse = i;
 }
 
 /*
 ===================
 SV_ReadClientMessage
-
-Returns false if the client should be killed
 ===================
 */
-qboolean SV_ReadClientMessage (void)
+extern void SV_SendServerinfo(client_t *client);
+void SV_ReadClientMessage(void)
 {
-       int             ret;
-       int             cmd;
-       char            *s;
+       int cmd, num;
+       char *s;
+
+       //MSG_BeginReading ();
 
-       do
+       for(;;)
        {
-nextmsg:
-               ret = NET_GetMessage (host_client->netconnection);
-               if (ret == -1)
+               if (!host_client->active)
                {
-                       Sys_Printf ("SV_ReadClientMessage: NET_GetMessage failed\n");
-                       return false;
+                       // a command caused an error
+                       SV_DropClient (false);
+                       return;
                }
-               if (!ret)
-                       return true;
 
-               MSG_BeginReading ();
+               if (msg_badread)
+               {
+                       Con_Print("SV_ReadClientMessage: badread\n");
+                       SV_DropClient (false);
+                       return;
+               }
 
-               while (1)
+               cmd = MSG_ReadChar ();
+               if (cmd == -1)
                {
-                       if (!host_client->active)
-                               return false;   // a command caused an error
+                       // end of message
+                       break;
+               }
 
-                       if (msg_badread)
-                       {
-                               Sys_Printf ("SV_ReadClientMessage: badread\n");
-                               return false;
-                       }       
-       
-                       cmd = MSG_ReadChar ();
-                       
-                       switch (cmd)
+               switch (cmd)
+               {
+               default:
+                       Con_Printf("SV_ReadClientMessage: unknown command char %i\n", cmd);
+                       SV_DropClient (false);
+                       return;
+
+               case clc_nop:
+                       break;
+
+               case clc_stringcmd:
+                       s = MSG_ReadString ();
+                       if (strncasecmp(s, "spawn", 5) == 0
+                        || strncasecmp(s, "begin", 5) == 0
+                        || strncasecmp(s, "prespawn", 8) == 0)
+                               Cmd_ExecuteString (s, src_client);
+                       else if (SV_ParseClientCommandQC)
                        {
-                       case -1:
-                               goto nextmsg;           // end of message
-                               
-                       default:
-                               Sys_Printf ("SV_ReadClientMessage: unknown command char\n");
-                               return false;
-                                                       
-                       case clc_nop:
-//                             Sys_Printf ("clc_nop\n");
-                               break;
-                               
-                       case clc_stringcmd:     
-                               s = MSG_ReadString ();
-                               ret = 0;
-                               if (Q_strncasecmp(s, "status", 6) == 0
-                                || Q_strncasecmp(s, "name", 4) == 0
-                                || Q_strncasecmp(s, "say", 3) == 0
-                                || Q_strncasecmp(s, "say_team", 8) == 0
-                                || Q_strncasecmp(s, "tell", 4) == 0
-                                || Q_strncasecmp(s, "color", 5) == 0
-                                || Q_strncasecmp(s, "kill", 4) == 0
-                                || Q_strncasecmp(s, "pause", 5) == 0
-                                || Q_strncasecmp(s, "spawn", 5) == 0
-                                || Q_strncasecmp(s, "begin", 5) == 0
-                                || Q_strncasecmp(s, "prespawn", 8) == 0
-                                || Q_strncasecmp(s, "kick", 4) == 0
-                                || Q_strncasecmp(s, "ping", 4) == 0
-                                || Q_strncasecmp(s, "ban", 3) == 0
-                                || Q_strncasecmp(s, "pmodel", 6) == 0
-                                || (nehahra && (Q_strncasecmp(s, "max", 3) == 0 || Q_strncasecmp(s, "monster", 7) == 0 || Q_strncasecmp(s, "scrag", 5) == 0 || Q_strncasecmp(s, "gimme", 5) == 0 || Q_strncasecmp(s, "wraith", 6) == 0))
-                                || (!nehahra && (Q_strncasecmp(s, "god", 3) == 0 || Q_strncasecmp(s, "notarget", 8) == 0 || Q_strncasecmp(s, "fly", 3) == 0 || Q_strncasecmp(s, "give", 4) == 0 || Q_strncasecmp(s, "noclip", 6) == 0)))
-                               {
-                                       ret = 1;
-                                       Cmd_ExecuteString (s, src_client);
-                               }
-                               else
-                                       Con_DPrintf("%s tried to %s\n", host_client->name, s);
-                               /*
-                               if (ret == 2)
-                                       Cbuf_InsertText (s);
-                               else if (ret == 1)
-                                       Cmd_ExecuteString (s, src_client);
-                               else
-                                       Con_DPrintf("%s tried to %s\n", host_client->name, s);
-                               */
-                               break;
-
-                       case clc_disconnect:
-//                             Sys_Printf ("SV_ReadClientMessage: client disconnected\n");
-                               return false;
-
-                       case clc_move:
-                               SV_ReadClientMove (&host_client->cmd);
-                               break;
+                               G_INT(OFS_PARM0) = PR_SetString(s);
+                               pr_global_struct->self = EDICT_TO_PROG(host_client->edict);
+                               PR_ExecuteProgram ((func_t)(SV_ParseClientCommandQC - pr_functions), "");
                        }
+                       else if (strncasecmp(s, "status", 6) == 0
+                        || strncasecmp(s, "name", 4) == 0
+                        || strncasecmp(s, "say", 3) == 0
+                        || strncasecmp(s, "say_team", 8) == 0
+                        || strncasecmp(s, "tell", 4) == 0
+                        || strncasecmp(s, "color", 5) == 0
+                        || strncasecmp(s, "kill", 4) == 0
+                        || strncasecmp(s, "pause", 5) == 0
+                        || strncasecmp(s, "kick", 4) == 0
+                        || strncasecmp(s, "ping", 4) == 0
+                        || strncasecmp(s, "ban", 3) == 0
+                        || strncasecmp(s, "pmodel", 6) == 0
+                        || strncasecmp(s, "rate", 4) == 0
+                        || (gamemode == GAME_NEHAHRA && (strncasecmp(s, "max", 3) == 0 || strncasecmp(s, "monster", 7) == 0 || strncasecmp(s, "scrag", 5) == 0 || strncasecmp(s, "gimme", 5) == 0 || strncasecmp(s, "wraith", 6) == 0))
+                        || (gamemode != GAME_NEHAHRA && (strncasecmp(s, "god", 3) == 0 || strncasecmp(s, "notarget", 8) == 0 || strncasecmp(s, "fly", 3) == 0 || strncasecmp(s, "give", 4) == 0 || strncasecmp(s, "noclip", 6) == 0)))
+                               Cmd_ExecuteString (s, src_client);
+                       else
+                               Con_Printf("%s tried to %s\n", host_client->name, s);
+                       break;
+
+               case clc_disconnect:
+                       SV_DropClient (false); // client wants to disconnect
+                       return;
+
+               case clc_move:
+                       SV_ReadClientMove (&host_client->cmd);
+                       break;
+
+               case clc_ackentities:
+                       if (msg_badread) Con_Printf("SV_ReadClientMessage: badread at %s:%i\n", __FILE__, __LINE__);
+                       num = MSG_ReadLong();
+                       if (msg_badread) Con_Printf("SV_ReadClientMessage: badread at %s:%i\n", __FILE__, __LINE__);
+                       if (developer_networkentities.integer >= 1)
+                               Con_Printf("recv clc_ackentities %i\n", num);
+                       if (host_client->entitydatabase)
+                               EntityFrame_AckFrame(host_client->entitydatabase, num);
+                       else if (host_client->entitydatabase4)
+                               EntityFrame4_AckFrame(host_client->entitydatabase4, host_client->entitydatabase4->ackframenum, true);
+                       else if (host_client->entitydatabase5)
+                               EntityFrame5_AckFrame(host_client->entitydatabase5, num, host_client - svs.clients + 1);
+                       break;
                }
-       } while (ret == 1);
-
-       return true;
+       }
 }
 
-
 /*
 ==================
 SV_RunClients
 ==================
 */
-extern dfunction_t *SV_PlayerPhysicsQC;
 void SV_RunClients (void)
 {
-       int                             i;
+       int i;
 
-       for (i=0, host_client = svs.clients ; i<svs.maxclients ; i++, host_client++)
+       for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
        {
                if (!host_client->active)
                        continue;
-       
-               sv_player = host_client->edict;
-
-               if (!SV_ReadClientMessage ())
-               {
-                       SV_DropClient (false);  // client misbehaved...
-                       continue;
-               }
 
                if (!host_client->spawned)
                {
-               // clear client movement until a new packet is received
+                       // clear client movement until a new packet is received
                        memset (&host_client->cmd, 0, sizeof(host_client->cmd));
                        continue;
                }
 
-// always pause in single player if in console or menus
-               if (!sv.paused && (svs.maxclients > 1 || key_dest == key_game) )
+               if (sv.frametime)
                {
+                       sv_player = host_client->edict;
+
                        // LordHavoc: QuakeC replacement for SV_ClientThink (player movement)
                        if (SV_PlayerPhysicsQC)
                        {
@@ -665,6 +810,15 @@ void SV_RunClients (void)
                        }
                        else
                                SV_ClientThink ();
+
+                       SV_CheckVelocity(sv_player);
+
+                       // LordHavoc: a hack to ensure that the (rather silly) id1 quakec
+                       // player_run/player_stand1 does not horribly malfunction if the
+                       // velocity becomes a number that is both == 0 and != 0
+                       // (sounds to me like NaN but to be absolutely safe...)
+                       if (DotProduct(sv_player->v->velocity, sv_player->v->velocity) < 0.0001)
+                               VectorClear(sv_player->v->velocity);
                }
        }
 }