]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - sv_phys.c
changed brush model API - now uses function pointers for some of the brush model...
[xonotic/darkplaces.git] / sv_phys.c
index 2bb5b43987808ac765dfe3ce956d145a4826e651..63afdeeabb1bdfd0ff612d964495b98482645e68 100644 (file)
--- a/sv_phys.c
+++ b/sv_phys.c
@@ -47,6 +47,7 @@ cvar_t sv_nostep = {CVAR_NOTIFY, "sv_nostep","0"};
 cvar_t sv_stepheight = {CVAR_NOTIFY, "sv_stepheight", "18"};
 cvar_t sv_jumpstep = {CVAR_NOTIFY, "sv_jumpstep", "1"};
 cvar_t sv_wallfriction = {CVAR_NOTIFY, "sv_wallfriction", "1"};
+cvar_t sv_newflymove = {CVAR_NOTIFY, "sv_newflymove", "1"};
 
 #define        MOVE_EPSILON    0.01
 
@@ -57,6 +58,7 @@ void SV_Phys_Init (void)
        Cvar_RegisterVariable(&sv_stepheight);
        Cvar_RegisterVariable(&sv_jumpstep);
        Cvar_RegisterVariable(&sv_wallfriction);
+       Cvar_RegisterVariable(&sv_newflymove);
 }
 
 /*
@@ -73,7 +75,7 @@ void SV_CheckAllEnts (void)
        check = NEXT_EDICT(sv.edicts);
        for (e = 1;e < sv.num_edicts;e++, check = NEXT_EDICT(check))
        {
-               if (check->free)
+               if (check->e->free)
                        continue;
                if (check->v->movetype == MOVETYPE_PUSH
                 || check->v->movetype == MOVETYPE_NONE
@@ -103,12 +105,12 @@ void SV_CheckVelocity (edict_t *ent)
        {
                if (IS_NAN(ent->v->velocity[i]))
                {
-                       Con_Printf ("Got a NaN velocity on %s\n", pr_strings + ent->v->classname);
+                       Con_Printf ("Got a NaN velocity on %s\n", PR_GetString(ent->v->classname));
                        ent->v->velocity[i] = 0;
                }
                if (IS_NAN(ent->v->origin[i]))
                {
-                       Con_Printf ("Got a NaN origin on %s\n", pr_strings + ent->v->classname);
+                       Con_Printf ("Got a NaN origin on %s\n", PR_GetString(ent->v->classname));
                        ent->v->origin[i] = 0;
                }
        }
@@ -152,7 +154,7 @@ qboolean SV_RunThink (edict_t *ent)
        pr_global_struct->self = EDICT_TO_PROG(ent);
        pr_global_struct->other = EDICT_TO_PROG(sv.edicts);
        PR_ExecuteProgram (ent->v->think, "NULL think function");
-       return !ent->free;
+       return !ent->e->free;
 }
 
 /*
@@ -198,30 +200,17 @@ returns the blocked flags (1 = floor, 2 = step / wall)
 ==================
 */
 #define STOP_EPSILON 0.1
-int ClipVelocity (vec3_t in, vec3_t normal, vec3_t out, float overbounce)
+void ClipVelocity (vec3_t in, vec3_t normal, vec3_t out, float overbounce)
 {
-       int i, blocked;
-       float backoff, change;
-
-       blocked = 0;
-       // flag if it's a floor
-       if (normal[2] > 0)
-               blocked |= 1;
-       // flag if it's a step
-       if (!normal[2])
-               blocked |= 2;
+       int i;
+       float backoff;
 
-       backoff = DotProduct (in, normal) * overbounce;
+       backoff = -DotProduct (in, normal) * overbounce;
+       VectorMA(in, backoff, normal, out);
 
        for (i = 0;i < 3;i++)
-       {
-               change = normal[i] * backoff;
-               out[i] = in[i] - change;
                if (out[i] > -STOP_EPSILON && out[i] < STOP_EPSILON)
                        out[i] = 0;
-       }
-
-       return blocked;
 }
 
 
@@ -234,158 +223,246 @@ Returns the clipflags if the velocity was modified (hit something solid)
 1 = floor
 2 = wall / step
 4 = dead stop
-If steptrace is not NULL, the trace of any vertical wall hit will be stored
+If stepnormal is not NULL, the plane normal of any vertical wall hit will be stored
 ============
 */
 // LordHavoc: increased from 5 to 20
 #define MAX_CLIP_PLANES 20
-int SV_FlyMove (edict_t *ent, float time, trace_t *steptrace)
+int SV_FlyMove (edict_t *ent, float time, float *stepnormal)
 {
-       int i, j, blocked, impact, numplanes, bumpcount, numbumps;
-       float d, time_left;
-       vec3_t dir, end, planes[MAX_CLIP_PLANES], primal_velocity, original_velocity, new_velocity;
-       trace_t trace;
+       if (sv_newflymove.integer)
+       {
+               int blocked, impact, bumpcount;
+               vec3_t end, primal_velocity;
+               trace_t trace;
 
-       numbumps = 4;
+               blocked = 0;
+               VectorCopy (ent->v->velocity, primal_velocity);
 
-       blocked = 0;
-       VectorCopy (ent->v->velocity, original_velocity);
-       VectorCopy (ent->v->velocity, primal_velocity);
-       numplanes = 0;
+               for (bumpcount = 0;bumpcount < 4;bumpcount++)
+               {
+                       if (!ent->v->velocity[0] && !ent->v->velocity[1] && !ent->v->velocity[2])
+                               break;
 
-       time_left = time;
+                       VectorMA(ent->v->origin, time, ent->v->velocity, end);
+                       trace = SV_Move (ent->v->origin, ent->v->mins, ent->v->maxs, end, MOVE_NORMAL, ent);
+                       //Con_Printf("trace %f %f %f : %f : %f %f %f\n", trace.endpos[0], trace.endpos[1], trace.endpos[2], trace.fraction, trace.plane.normal[0], trace.plane.normal[1], trace.plane.normal[2]);
 
-       for (bumpcount=0 ; bumpcount<numbumps ; bumpcount++)
-       {
-               if (!ent->v->velocity[0] && !ent->v->velocity[1] && !ent->v->velocity[2])
-                       break;
+                       if (trace.allsolid)
+                       {
+                               // LordHavoc: note: this code is what makes entities stick in place if embedded in another object (which can be the world)
+                               // entity is trapped in another solid
+                               VectorClear(ent->v->velocity);
+                               return 3;
+                       }
 
-               for (i=0 ; i<3 ; i++)
-                       end[i] = ent->v->origin[i] + time_left * ent->v->velocity[i];
+                       if (trace.fraction > 0)
+                       {
+                               // actually covered some distance
+                               VectorCopy (trace.endpos, ent->v->origin);
+                       }
 
-               trace = SV_Move (ent->v->origin, ent->v->mins, ent->v->maxs, end, MOVE_NORMAL, ent);
+                       // break if it moved the entire distance
+                       if (trace.fraction == 1)
+                               break;
 
-               if (trace.allsolid)
-               {
-                       // LordHavoc: note: this code is what makes entities stick in place if embedded in another object (which can be the world)
-                       // entity is trapped in another solid
-                       VectorClear(ent->v->velocity);
-                       return 3;
-               }
+                       if (!trace.ent)
+                               Host_Error ("SV_FlyMove: !trace.ent");
 
-               if (trace.fraction > 0)
-               {
-                       // actually covered some distance
-                       VectorCopy (trace.endpos, ent->v->origin);
-                       VectorCopy (ent->v->velocity, original_velocity);
-                       numplanes = 0;
+                       if ((int) ent->v->flags & FL_ONGROUND)
+                       {
+                               if (ent->v->groundentity == EDICT_TO_PROG(trace.ent))
+                                       impact = false;
+                               else
+                               {
+                                       ent->v->flags = (int)ent->v->flags & ~FL_ONGROUND;
+                                       impact = true;
+                               }
+                       }
+                       else
+                               impact = true;
+
+                       if (trace.plane.normal[2] > 0.7)
+                       {
+                               // floor
+                               blocked |= 1;
+                               ent->v->flags = (int)ent->v->flags | FL_ONGROUND;
+                               ent->v->groundentity = EDICT_TO_PROG(trace.ent);
+                       }
+                       if (!trace.plane.normal[2])
+                       {
+                               // step
+                               blocked |= 2;
+                               // save the trace for player extrafriction
+                               if (stepnormal)
+                                       VectorCopy(trace.plane.normal, stepnormal);
+                       }
+
+                       // run the impact function
+                       if (impact)
+                       {
+                               SV_Impact (ent, trace.ent);
+
+                               // break if removed by the impact function
+                               if (ent->e->free)
+                                       break;
+                       }
+
+                       time *= 1 - trace.fraction;
+
+                       ClipVelocity (ent->v->velocity, trace.plane.normal, ent->v->velocity, 1);
                }
 
-               // break if it moved the entire distance
-               if (trace.fraction == 1)
-                        break;
+               return blocked;
+       }
+       else
+       {
+               int i, j, blocked, impact, numplanes, bumpcount, numbumps;
+               float d, time_left;
+               vec3_t dir, end, planes[MAX_CLIP_PLANES], primal_velocity, original_velocity, new_velocity;
+               trace_t trace;
+
+               numbumps = 4;
+
+               blocked = 0;
+               VectorCopy (ent->v->velocity, original_velocity);
+               VectorCopy (ent->v->velocity, primal_velocity);
+               numplanes = 0;
 
-               if (!trace.ent)
-                       Host_Error ("SV_FlyMove: !trace.ent");
+               time_left = time;
 
-               if ((int) ent->v->flags & FL_ONGROUND)
+               for (bumpcount=0 ; bumpcount<numbumps ; bumpcount++)
                {
-                       if (ent->v->groundentity == EDICT_TO_PROG(trace.ent))
-                               impact = false;
-                       else
+                       if (!ent->v->velocity[0] && !ent->v->velocity[1] && !ent->v->velocity[2])
+                               break;
+
+                       for (i=0 ; i<3 ; i++)
+                               end[i] = ent->v->origin[i] + time_left * ent->v->velocity[i];
+
+                       trace = SV_Move (ent->v->origin, ent->v->mins, ent->v->maxs, end, MOVE_NORMAL, ent);
+
+                       if (trace.allsolid)
                        {
-                               ent->v->flags = (int)ent->v->flags & ~FL_ONGROUND;
+                               // LordHavoc: note: this code is what makes entities stick in place if embedded in another object (which can be the world)
+                               // entity is trapped in another solid
+                               VectorClear(ent->v->velocity);
+                               return 3;
+                       }
+
+                       if (trace.fraction > 0)
+                       {
+                               // actually covered some distance
+                               VectorCopy (trace.endpos, ent->v->origin);
+                               VectorCopy (ent->v->velocity, original_velocity);
+                               numplanes = 0;
+                       }
+
+                       // break if it moved the entire distance
+                       if (trace.fraction == 1)
+                               break;
+
+                       if (!trace.ent)
+                               Host_Error ("SV_FlyMove: !trace.ent");
+
+                       if ((int) ent->v->flags & FL_ONGROUND)
+                       {
+                               if (ent->v->groundentity == EDICT_TO_PROG(trace.ent))
+                                       impact = false;
+                               else
+                               {
+                                       ent->v->flags = (int)ent->v->flags & ~FL_ONGROUND;
+                                       impact = true;
+                               }
+                       }
+                       else
                                impact = true;
+
+                       if (trace.plane.normal[2] > 0.7)
+                       {
+                               // floor
+                               blocked |= 1;
+                               ent->v->flags = (int)ent->v->flags | FL_ONGROUND;
+                               ent->v->groundentity = EDICT_TO_PROG(trace.ent);
+                       }
+                       if (!trace.plane.normal[2])
+                       {
+                               // step
+                               blocked |= 2;
+                               // save the trace for player extrafriction
+                               if (stepnormal)
+                                       VectorCopy(trace.plane.normal, stepnormal);
                        }
-               }
-               else
-                       impact = true;
 
-               if (trace.plane.normal[2] > 0.7)
-               {
-                       // floor
-                       blocked |= 1;
-                       ent->v->flags = (int)ent->v->flags | FL_ONGROUND;
-                       ent->v->groundentity = EDICT_TO_PROG(trace.ent);
-               }
-               if (!trace.plane.normal[2])
-               {
-                       // step
-                       blocked |= 2;
-                       // save the trace for player extrafriction
-                       if (steptrace)
-                               *steptrace = trace;
-               }
+                       // run the impact function
+                       if (impact)
+                       {
+                               SV_Impact (ent, trace.ent);
 
-               // run the impact function
-               if (impact)
-               {
-                       SV_Impact (ent, trace.ent);
+                               // break if removed by the impact function
+                               if (ent->e->free)
+                                       break;
+                       }
 
-                       // break if removed by the impact function
-                       if (ent->free)
-                               break;
-               }
 
+                       time_left -= time_left * trace.fraction;
 
-               time_left -= time_left * trace.fraction;
+                       // clipped to another plane
+                       if (numplanes >= MAX_CLIP_PLANES)
+                       {
+                               // this shouldn't really happen
+                               VectorClear(ent->v->velocity);
+                               return 3;
+                       }
 
-               // clipped to another plane
-               if (numplanes >= MAX_CLIP_PLANES)
-               {
-                       // this shouldn't really happen
-                       VectorClear(ent->v->velocity);
-                       return 3;
-               }
+                       VectorCopy (trace.plane.normal, planes[numplanes]);
+                       numplanes++;
 
-               VectorCopy (trace.plane.normal, planes[numplanes]);
-               numplanes++;
+                       // modify original_velocity so it parallels all of the clip planes
+                       for (i=0 ; i<numplanes ; i++)
+                       {
+                               ClipVelocity (original_velocity, planes[i], new_velocity, 1);
+                               for (j=0 ; j<numplanes ; j++)
+                                       if (j != i)
+                                       {
+                                               // not ok
+                                               if (DotProduct (new_velocity, planes[j]) < 0)
+                                                       break;
+                                       }
+                               if (j == numplanes)
+                                       break;
+                       }
 
-               // modify original_velocity so it parallels all of the clip planes
-               for (i=0 ; i<numplanes ; i++)
-               {
-                       ClipVelocity (original_velocity, planes[i], new_velocity, 1);
-                       for (j=0 ; j<numplanes ; j++)
-                               if (j != i)
+                       if (i != numplanes)
+                       {
+                               // go along this plane
+                               VectorCopy (new_velocity, ent->v->velocity);
+                       }
+                       else
+                       {
+                               // go along the crease
+                               if (numplanes != 2)
                                {
-                                       // not ok
-                                       if (DotProduct (new_velocity, planes[j]) < 0)
-                                               break;
+                                       VectorClear(ent->v->velocity);
+                                       return 7;
                                }
-                       if (j == numplanes)
-                               break;
-               }
+                               CrossProduct (planes[0], planes[1], dir);
+                               // LordHavoc: thanks to taniwha of QuakeForge for pointing out this fix for slowed falling in corners
+                               VectorNormalize(dir);
+                               d = DotProduct (dir, ent->v->velocity);
+                               VectorScale (dir, d, ent->v->velocity);
+                       }
 
-               if (i != numplanes)
-               {
-                       // go along this plane
-                       VectorCopy (new_velocity, ent->v->velocity);
-               }
-               else
-               {
-                       // go along the crease
-                       if (numplanes != 2)
+                       // if original velocity is against the original velocity,
+                       // stop dead to avoid tiny occilations in sloping corners
+                       if (DotProduct (ent->v->velocity, primal_velocity) <= 0)
                        {
                                VectorClear(ent->v->velocity);
-                               return 7;
+                               return blocked;
                        }
-                       CrossProduct (planes[0], planes[1], dir);
-                       // LordHavoc: thanks to taniwha of QuakeForge for pointing out this fix for slowed falling in corners
-                       VectorNormalize(dir);
-                       d = DotProduct (dir, ent->v->velocity);
-                       VectorScale (dir, d, ent->v->velocity);
                }
 
-               // if original velocity is against the original velocity,
-               // stop dead to avoid tiny occilations in sloping corners
-               if (DotProduct (ent->v->velocity, primal_velocity) <= 0)
-               {
-                       VectorClear(ent->v->velocity);
-                       return blocked;
-               }
+               return blocked;
        }
-
-       return blocked;
 }
 
 
@@ -459,15 +536,13 @@ SV_PushMove
 trace_t SV_ClipMoveToEntity (edict_t *ent, vec3_t start, vec3_t mins, vec3_t maxs, vec3_t end);
 void SV_PushMove (edict_t *pusher, float movetime)
 {
-       int                     i, e, index;
-       edict_t         *check;
-       float           savesolid, movetime2, pushltime;
-       vec3_t          mins, maxs, move, move1, moveangle, pushorig, pushang, a, forward, left, up, org, org2;
-       int                     num_moved;
-       edict_t         *moved_edict[MAX_EDICTS];
-       vec3_t          moved_from[MAX_EDICTS], moved_fromangles[MAX_EDICTS];
-       model_t         *pushermodel;
-       trace_t         trace;
+       int i, e, index;
+       edict_t *check, *ed;
+       float savesolid, movetime2, pushltime;
+       vec3_t mins, maxs, move, move1, moveangle, pushorig, pushang, a, forward, left, up, org, org2;
+       int num_moved;
+       model_t *pushermodel;
+       trace_t trace;
 
        switch ((int) pusher->v->solid)
        {
@@ -571,7 +646,7 @@ void SV_PushMove (edict_t *pusher, float movetime)
        check = NEXT_EDICT(sv.edicts);
        for (e = 1;e < sv.num_edicts;e++, check = NEXT_EDICT(check))
        {
-               if (check->free)
+               if (check->e->free)
                        continue;
                if (check->v->movetype == MOVETYPE_PUSH
                 || check->v->movetype == MOVETYPE_NONE
@@ -611,9 +686,9 @@ void SV_PushMove (edict_t *pusher, float movetime)
                if (check->v->movetype != MOVETYPE_WALK)
                        check->v->flags = (int)check->v->flags & ~FL_ONGROUND;
 
-               VectorCopy (check->v->origin, moved_from[num_moved]);
-               VectorCopy (check->v->angles, moved_fromangles[num_moved]);
-               moved_edict[num_moved++] = check;
+               VectorCopy (check->v->origin, check->e->moved_from);
+               VectorCopy (check->v->angles, check->e->moved_fromangles);
+               sv.moved_edicts[num_moved++] = check;
 
                // try moving the contacted entity
                pusher->v->solid = SOLID_NOT;
@@ -649,11 +724,12 @@ void SV_PushMove (edict_t *pusher, float movetime)
                                SV_LinkEdict (pusher, false);
 
                                // move back any entities we already moved
-                               for (i=0 ; i<num_moved ; i++)
+                               for (i = 0;i < num_moved;i++)
                                {
-                                       VectorCopy (moved_from[i], moved_edict[i]->v->origin);
-                                       VectorCopy (moved_fromangles[i], moved_edict[i]->v->angles);
-                                       SV_LinkEdict (moved_edict[i], false);
+                                       ed = sv.moved_edicts[i];
+                                       VectorCopy (ed->e->moved_from, ed->v->origin);
+                                       VectorCopy (ed->e->moved_fromangles, ed->v->angles);
+                                       SV_LinkEdict (ed, false);
                                }
 
                                // if the pusher has a "blocked" function, call it, otherwise just stay in place until the obstacle is gone
@@ -702,10 +778,7 @@ void SV_Physics_Pusher (edict_t *ent)
                pr_global_struct->self = EDICT_TO_PROG(ent);
                pr_global_struct->other = EDICT_TO_PROG(sv.edicts);
                PR_ExecuteProgram (ent->v->think, "NULL think function");
-               if (ent->free)
-                       return;
        }
-
 }
 
 
@@ -781,18 +854,18 @@ qboolean SV_CheckWater (edict_t *ent)
 
        ent->v->waterlevel = 0;
        ent->v->watertype = CONTENTS_EMPTY;
-       cont = Mod_PointContents(point, sv.worldmodel);
+       cont = sv.worldmodel->PointContents(sv.worldmodel, point);
        if (cont <= CONTENTS_WATER)
        {
                ent->v->watertype = cont;
                ent->v->waterlevel = 1;
                point[2] = ent->v->origin[2] + (ent->v->mins[2] + ent->v->maxs[2])*0.5;
-               cont = Mod_PointContents(point, sv.worldmodel);
+               cont = sv.worldmodel->PointContents(sv.worldmodel, point);
                if (cont <= CONTENTS_WATER)
                {
                        ent->v->waterlevel = 2;
                        point[2] = ent->v->origin[2] + ent->v->view_ofs[2];
-                       cont = Mod_PointContents(point, sv.worldmodel);
+                       cont = sv.worldmodel->PointContents(sv.worldmodel, point);
                        if (cont <= CONTENTS_WATER)
                                ent->v->waterlevel = 3;
                }
@@ -807,25 +880,21 @@ SV_WallFriction
 
 ============
 */
-void SV_WallFriction (edict_t *ent, trace_t *trace)
+void SV_WallFriction (edict_t *ent, float *stepnormal)
 {
        float d, i;
        vec3_t forward, into, side;
 
        AngleVectors (ent->v->v_angle, forward, NULL, NULL);
-       d = DotProduct (trace->plane.normal, forward);
-
-       d += 0.5;
-       if (d >= 0)
-               return;
-
-       // cut the tangential velocity
-       i = DotProduct (trace->plane.normal, ent->v->velocity);
-       VectorScale (trace->plane.normal, i, into);
-       VectorSubtract (ent->v->velocity, into, side);
-
-       ent->v->velocity[0] = side[0] * (1 + d);
-       ent->v->velocity[1] = side[1] * (1 + d);
+       if ((d = DotProduct (stepnormal, forward) + 0.5) < 0)
+       {
+               // cut the tangential velocity
+               i = DotProduct (stepnormal, ent->v->velocity);
+               VectorScale (stepnormal, i, into);
+               VectorSubtract (ent->v->velocity, into, side);
+               ent->v->velocity[0] = side[0] * (1 + d);
+               ent->v->velocity[1] = side[1] * (1 + d);
+       }
 }
 
 /*
@@ -844,7 +913,6 @@ int SV_TryUnstick (edict_t *ent, vec3_t oldvel)
 {
        int i, clip;
        vec3_t oldorg, dir;
-       trace_t steptrace;
 
        VectorCopy (ent->v->origin, oldorg);
        VectorClear (dir);
@@ -870,7 +938,7 @@ int SV_TryUnstick (edict_t *ent, vec3_t oldvel)
                ent->v->velocity[0] = oldvel[0];
                ent->v->velocity[1] = oldvel[1];
                ent->v->velocity[2] = 0;
-               clip = SV_FlyMove (ent, 0.1, &steptrace);
+               clip = SV_FlyMove (ent, 0.1, NULL);
 
                if (fabs(oldorg[1] - ent->v->origin[1]) > 4
                 || fabs(oldorg[0] - ent->v->origin[0]) > 4)
@@ -895,8 +963,8 @@ Only used by players
 void SV_WalkMove (edict_t *ent)
 {
        int clip, oldonground;
-       vec3_t upmove, downmove, oldorg, oldvel, nosteporg, nostepvel;
-       trace_t steptrace, downtrace;
+       vec3_t upmove, downmove, oldorg, oldvel, nosteporg, nostepvel, stepnormal;
+       trace_t downtrace;
 
        // do a regular slide move unless it looks like you ran into a step
        oldonground = (int)ent->v->flags & FL_ONGROUND;
@@ -905,7 +973,7 @@ void SV_WalkMove (edict_t *ent)
        VectorCopy (ent->v->origin, oldorg);
        VectorCopy (ent->v->velocity, oldvel);
 
-       clip = SV_FlyMove (ent, sv.frametime, &steptrace);
+       clip = SV_FlyMove (ent, sv.frametime, NULL);
 
        // if move didn't block on a step, return
        if ( !(clip & 2) )
@@ -925,7 +993,7 @@ void SV_WalkMove (edict_t *ent)
        if (sv_nostep.integer)
                return;
 
-       if ( (int)sv_player->v->flags & FL_WATERJUMP )
+       if ( (int)ent->v->flags & FL_WATERJUMP )
                return;
 
        VectorCopy (ent->v->origin, nosteporg);
@@ -948,7 +1016,7 @@ void SV_WalkMove (edict_t *ent)
        ent->v->velocity[0] = oldvel[0];
        ent->v->velocity[1] = oldvel[1];
        ent->v->velocity[2] = 0;
-       clip = SV_FlyMove (ent, sv.frametime, &steptrace);
+       clip = SV_FlyMove (ent, sv.frametime, stepnormal);
        ent->v->velocity[2] += oldvel[2];
 
        // check for stuckness, possibly due to the limited precision of floats
@@ -961,7 +1029,7 @@ void SV_WalkMove (edict_t *ent)
 
        // extra friction based on view angle
        if (clip & 2 && sv_wallfriction.integer)
-               SV_WallFriction (ent, &steptrace);
+               SV_WallFriction (ent, stepnormal);
 
        // move down
        // FIXME: don't link?
@@ -986,77 +1054,6 @@ void SV_WalkMove (edict_t *ent)
        }
 }
 
-
-/*
-================
-SV_Physics_Client
-
-Player character actions
-================
-*/
-void SV_Physics_Client (edict_t *ent, int num)
-{
-       if (!svs.clients[num-1].active)
-               return;         // unconnected slot
-
-       // call standard client pre-think
-       pr_global_struct->time = sv.time;
-       pr_global_struct->self = EDICT_TO_PROG(ent);
-       PR_ExecuteProgram (pr_global_struct->PlayerPreThink, "QC function PlayerPreThink is missing");
-
-       // do a move
-       SV_CheckVelocity (ent);
-
-       // decide which move function to call
-       switch ((int)ent->v->movetype)
-       {
-       case MOVETYPE_NONE:
-               if (!SV_RunThink (ent))
-                       return;
-               break;
-
-       case MOVETYPE_WALK:
-               if (!SV_RunThink (ent))
-                       return;
-               if (!SV_CheckWater (ent) && ! ((int)ent->v->flags & FL_WATERJUMP) )
-                       SV_AddGravity (ent);
-               SV_CheckStuck (ent);
-               SV_WalkMove (ent);
-               break;
-
-       case MOVETYPE_TOSS:
-       case MOVETYPE_BOUNCE:
-               SV_Physics_Toss (ent);
-               break;
-
-       case MOVETYPE_FLY:
-               if (!SV_RunThink (ent))
-                       return;
-               SV_CheckWater (ent);
-               //SV_FlyMove (ent, sv.frametime, NULL);
-               SV_WalkMove (ent);
-               break;
-
-       case MOVETYPE_NOCLIP:
-               if (!SV_RunThink (ent))
-                       return;
-               SV_CheckWater (ent);
-               VectorMA (ent->v->origin, sv.frametime, ent->v->velocity, ent->v->origin);
-               VectorMA (ent->v->angles, sv.frametime, ent->v->avelocity, ent->v->angles);
-               break;
-
-       default:
-               Host_Error ("SV_Physics_client: bad movetype %i", (int)ent->v->movetype);
-       }
-
-       // call standard player post-think
-       SV_LinkEdict (ent, true);
-
-       pr_global_struct->time = sv.time;
-       pr_global_struct->self = EDICT_TO_PROG(ent);
-       PR_ExecuteProgram (pr_global_struct->PlayerPostThink, "QC function PlayerPostThink is missing");
-}
-
 //============================================================================
 
 /*
@@ -1139,7 +1136,7 @@ SV_CheckWaterTransition
 void SV_CheckWaterTransition (edict_t *ent)
 {
        int cont;
-       cont = Mod_PointContents(ent->v->origin, sv.worldmodel);
+       cont = sv.worldmodel->PointContents(sv.worldmodel, ent->v->origin);
        if (!ent->v->watertype)
        {
                // just spawned here
@@ -1188,7 +1185,6 @@ void SV_Physics_Toss (edict_t *ent)
 // if onground, return without moving
        if ((int)ent->v->flags & FL_ONGROUND)
        {
-               VectorClear(ent->v->velocity);
                if (ent->v->groundentity == 0)
                        return;
                // if ent was supported by a brush model on previous frame,
@@ -1196,18 +1192,18 @@ void SV_Physics_Toss (edict_t *ent)
                groundentity = PROG_TO_EDICT(ent->v->groundentity);
                if (groundentity->v->solid == SOLID_BSP)
                {
-                       ent->suspendedinairflag = true;
+                       ent->e->suspendedinairflag = true;
                        return;
                }
-               else if (ent->suspendedinairflag && groundentity->free)
+               else if (ent->e->suspendedinairflag && groundentity->e->free)
                {
                        // leave it suspended in the air
                        ent->v->groundentity = 0;
-                       ent->suspendedinairflag = false;
+                       ent->e->suspendedinairflag = false;
                        return;
                }
        }
-       ent->suspendedinairflag = false;
+       ent->e->suspendedinairflag = false;
 
        SV_CheckVelocity (ent);
 
@@ -1221,7 +1217,7 @@ void SV_Physics_Toss (edict_t *ent)
 // move origin
        VectorScale (ent->v->velocity, sv.frametime, move);
        trace = SV_PushEntity (ent, move, vec3_origin);
-       if (ent->free)
+       if (ent->e->free)
                return;
 
        if (trace.fraction < 1)
@@ -1285,50 +1281,25 @@ will fall if the floor is pulled out from under them.
 */
 void SV_Physics_Step (edict_t *ent)
 {
-       int flags, fall, hitsound;
-
-       // freefall if not fly/swim
-       fall = true;
-       flags = (int)ent->v->flags;
-       if (flags & (FL_FLY | FL_SWIM))
+       // freefall if not onground/fly/swim
+       if (!((int)ent->v->flags & (FL_ONGROUND | FL_FLY | FL_SWIM)))
        {
-               if (flags & FL_FLY)
-                       fall = false;
-               else if ((flags & FL_SWIM) && Mod_PointContents(ent->v->origin, sv.worldmodel) != CONTENTS_EMPTY)
-                       fall = false;
-       }
-       if (fall && (flags & FL_ONGROUND) && ent->v->groundentity == 0)
-               fall = false;
+               int hitsound = ent->v->velocity[2] < sv_gravity.value * -0.1;
 
-       if (fall)
-       {
-               if (ent->v->velocity[2] < sv_gravity.value*-0.1)
-               {
-                       hitsound = true;
-                       if (flags & FL_ONGROUND)
-                               hitsound = false;
-               }
-               else
-                       hitsound = false;
-
-               SV_AddGravity (ent);
-               SV_CheckVelocity (ent);
-               SV_FlyMove (ent, sv.frametime, NULL);
-               SV_LinkEdict (ent, false);
+               SV_AddGravity(ent);
+               SV_CheckVelocity(ent);
+               SV_FlyMove(ent, sv.frametime, NULL);
+               SV_LinkEdict(ent, false);
 
                // just hit ground
-               if ((int)ent->v->flags & FL_ONGROUND)
-               {
-                       VectorClear(ent->v->velocity);
-                       if (hitsound)
-                               SV_StartSound (ent, 0, "demon/dland2.wav", 255, 1);
-               }
+               if (hitsound && (int)ent->v->flags & FL_ONGROUND)
+                       SV_StartSound(ent, 0, "demon/dland2.wav", 255, 1);
        }
 
 // regular thinking
-       SV_RunThink (ent);
+       SV_RunThink(ent);
 
-       SV_CheckWaterTransition (ent);
+       SV_CheckWaterTransition(ent);
 }
 
 //============================================================================
@@ -1356,7 +1327,7 @@ void SV_Physics (void)
        ent = sv.edicts;
        for (i=0 ; i<sv.num_edicts ; i++, ent = NEXT_EDICT(ent))
        {
-               if (ent->free)
+               if (ent->e->free)
                        continue;
 
                if (pr_global_struct->force_retouch)
@@ -1364,10 +1335,18 @@ void SV_Physics (void)
 
                if (i > 0 && i <= svs.maxclients)
                {
-                       SV_Physics_Client (ent, i);
-                       continue;
+                       if (!svs.clients[i-1].active)
+                               continue;
+                       // connected slot
+                       // call standard client pre-think
+                       SV_CheckVelocity (ent);
+                       pr_global_struct->time = sv.time;
+                       pr_global_struct->self = EDICT_TO_PROG(ent);
+                       PR_ExecuteProgram (pr_global_struct->PlayerPreThink, "QC function PlayerPreThink is missing");
+                       SV_CheckVelocity (ent);
                }
 
+               // LordHavoc: merged client and normal entity physics
                switch ((int) ent->v->movetype)
                {
                case MOVETYPE_PUSH:
@@ -1382,12 +1361,21 @@ void SV_Physics (void)
                        SV_Physics_Follow (ent);
                        break;
                case MOVETYPE_NOCLIP:
-                       SV_Physics_Noclip (ent);
+                       if (i > 0 && i <= svs.maxclients)
+                       {
+                               if (SV_RunThink (ent))
+                               {
+                                       SV_CheckWater (ent);
+                                       VectorMA (ent->v->origin, sv.frametime, ent->v->velocity, ent->v->origin);
+                                       VectorMA (ent->v->angles, sv.frametime, ent->v->avelocity, ent->v->angles);
+                               }
+                       }
+                       else
+                               SV_Physics_Noclip (ent);
                        break;
                case MOVETYPE_STEP:
                        SV_Physics_Step (ent);
                        break;
-               // LordHavoc: added support for MOVETYPE_WALK on normal entities! :)
                case MOVETYPE_WALK:
                        if (SV_RunThink (ent))
                        {
@@ -1401,14 +1389,39 @@ void SV_Physics (void)
                case MOVETYPE_TOSS:
                case MOVETYPE_BOUNCE:
                case MOVETYPE_BOUNCEMISSILE:
-               case MOVETYPE_FLY:
                case MOVETYPE_FLYMISSILE:
                        SV_Physics_Toss (ent);
                        break;
+               case MOVETYPE_FLY:
+                       if (i > 0 && i <= svs.maxclients)
+                       {
+                               if (SV_RunThink (ent))
+                               {
+                                       SV_CheckWater (ent);
+                                       SV_WalkMove (ent);
+                               }
+                       }
+                       else
+                               SV_Physics_Toss (ent);
+                       break;
                default:
                        Host_Error ("SV_Physics: bad movetype %i", (int)ent->v->movetype);
                        break;
                }
+
+               if (i > 0 && i <= svs.maxclients && !ent->e->free)
+               {
+                       SV_CheckVelocity (ent);
+
+                       // call standard player post-think
+                       SV_LinkEdict (ent, true);
+
+                       SV_CheckVelocity (ent);
+
+                       pr_global_struct->time = sv.time;
+                       pr_global_struct->self = EDICT_TO_PROG(ent);
+                       PR_ExecuteProgram (pr_global_struct->PlayerPostThink, "QC function PlayerPostThink is missing");
+               }
        }
 
        if (pr_global_struct->force_retouch)