]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - sv_phys.c
added prvm_offsets.h which centralizes field/global/function lookups for
[xonotic/darkplaces.git] / sv_phys.c
index de66811ac91633a402de1d5e6a774ad5d3dbc291..343b1dc9c124b6a25280c5a443e46ab8b451f842 100644 (file)
--- a/sv_phys.c
+++ b/sv_phys.c
@@ -52,7 +52,7 @@ int SV_GetPitchSign(prvm_edict_t *ent)
                        model->type == mod_alias
                        :
                        (
-                        (((unsigned char)PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.pflags)->_float) & PFLAGS_FULLDYNAMIC)
+                        (((unsigned char)PRVM_serveredictfloat(ent, pflags)) & PFLAGS_FULLDYNAMIC)
                         ||
                         ((gamemode == GAME_TENEBRAE) && ((unsigned int)ent->fields.server->effects & (16 | 32)))
                        )
@@ -71,12 +71,11 @@ LINE TESTING IN HULLS
 
 int SV_GenericHitSuperContentsMask(const prvm_edict_t *passedict)
 {
-       prvm_eval_t *val;
        if (passedict)
        {
-               val = PRVM_EDICTFIELDVALUE(passedict, prog->fieldoffsets.dphitcontentsmask);
-               if (val && val->_float)
-                       return (int)val->_float;
+               int dphitcontentsmask = (int)PRVM_serveredictfloat(passedict, dphitcontentsmask);
+               if (dphitcontentsmask)
+                       return dphitcontentsmask;
                else if (passedict->fields.server->solid == SOLID_SLIDEBOX)
                {
                        if ((int)passedict->fields.server->flags & FL_MONSTER)
@@ -121,7 +120,7 @@ trace_t SV_TracePoint(const vec3_t start, int type, prvm_edict_t *passedict, int
        dp_model_t *model;
        // list of entities to test for collisions
        int numtouchedicts;
-       prvm_edict_t *touchedicts[MAX_EDICTS];
+       static prvm_edict_t *touchedicts[MAX_EDICTS];
 
        //return SV_TraceBox(start, vec3_origin, vec3_origin, end, type, passedict, hitsupercontentsmask);
 
@@ -266,12 +265,15 @@ trace_t SV_TraceLine(const vec3_t start, const vec3_t end, int type, prvm_edict_
        dp_model_t *model;
        // list of entities to test for collisions
        int numtouchedicts;
-       prvm_edict_t *touchedicts[MAX_EDICTS];
+       static prvm_edict_t *touchedicts[MAX_EDICTS];
 #ifdef COLLISION_STUPID_TRACE_ENDPOS_IN_SOLID_WORKAROUND
        vec3_t end;
        vec_t len = 0;
 
-       if(!VectorCompare(start, pEnd) && collision_endposnudge.value > 0)
+       if (VectorCompare(start, pEnd))
+               return SV_TracePoint(start, type, passedict, hitsupercontentsmask);
+
+       if(collision_endposnudge.value > 0)
        {
                // TRICK: make the trace 1 qu longer!
                VectorSubtract(pEnd, start, end);
@@ -280,13 +282,13 @@ trace_t SV_TraceLine(const vec3_t start, const vec3_t end, int type, prvm_edict_
        }
        else
                VectorCopy(pEnd, end);
+#else
+       if (VectorCompare(start, end))
+               return SV_TracePoint(start, type, passedict, hitsupercontentsmask);
 #endif
 
        //return SV_TraceBox(start, vec3_origin, vec3_origin, end, type, passedict, hitsupercontentsmask);
 
-       if (VectorCompare(start, end))
-               return SV_TracePoint(start, type, passedict, hitsupercontentsmask);
-
        VectorCopy(start, clipstart);
        VectorCopy(end, clipend);
        VectorClear(clipmins2);
@@ -296,7 +298,7 @@ trace_t SV_TraceLine(const vec3_t start, const vec3_t end, int type, prvm_edict_
 #endif
 
        // clip to world
-       Collision_ClipLineToWorld(&cliptrace, sv.worldmodel, clipstart, clipend, hitsupercontentsmask);
+       Collision_ClipLineToWorld(&cliptrace, sv.worldmodel, clipstart, clipend, hitsupercontentsmask, false);
        cliptrace.bmodelstartsolid = cliptrace.startsolid;
        if (cliptrace.startsolid || cliptrace.fraction < 1)
                cliptrace.ent = prog->edicts;
@@ -390,7 +392,7 @@ trace_t SV_TraceLine(const vec3_t start, const vec3_t end, int type, prvm_edict_
                if (type == MOVE_MISSILE && (int)touch->fields.server->flags & FL_MONSTER)
                        Collision_ClipToGenericEntity(&trace, model, touch->priv.server->frameblend, &touch->priv.server->skeleton, touch->fields.server->mins, touch->fields.server->maxs, bodysupercontents, &matrix, &imatrix, clipstart, clipmins2, clipmaxs2, clipend, hitsupercontentsmask);
                else
-                       Collision_ClipLineToGenericEntity(&trace, model, touch->priv.server->frameblend, &touch->priv.server->skeleton, touch->fields.server->mins, touch->fields.server->maxs, bodysupercontents, &matrix, &imatrix, clipstart, clipend, hitsupercontentsmask);
+                       Collision_ClipLineToGenericEntity(&trace, model, touch->priv.server->frameblend, &touch->priv.server->skeleton, touch->fields.server->mins, touch->fields.server->maxs, bodysupercontents, &matrix, &imatrix, clipstart, clipend, hitsupercontentsmask, false);
 
                Collision_CombineTraces(&cliptrace, &trace, (void *)touch, touch->fields.server->solid == SOLID_BSP);
        }
@@ -445,11 +447,24 @@ trace_t SV_TraceBox(const vec3_t start, const vec3_t mins, const vec3_t maxs, co
        dp_model_t *model;
        // list of entities to test for collisions
        int numtouchedicts;
-       prvm_edict_t *touchedicts[MAX_EDICTS];
+       static prvm_edict_t *touchedicts[MAX_EDICTS];
 #ifdef COLLISION_STUPID_TRACE_ENDPOS_IN_SOLID_WORKAROUND
        vec3_t end;
        vec_t len = 0;
 
+       if (VectorCompare(mins, maxs))
+       {
+               vec3_t shiftstart, shiftend;
+               VectorAdd(start, mins, shiftstart);
+               VectorAdd(pEnd, mins, shiftend);
+               if (VectorCompare(start, pEnd))
+                       trace = SV_TracePoint(shiftstart, type, passedict, hitsupercontentsmask);
+               else
+                       trace = SV_TraceLine(shiftstart, shiftend, type, passedict, hitsupercontentsmask);
+               VectorSubtract(trace.endpos, mins, trace.endpos);
+               return trace;
+       }
+
        if(!VectorCompare(start, pEnd) && collision_endposnudge.value > 0)
        {
                // TRICK: make the trace 1 qu longer!
@@ -459,8 +474,7 @@ trace_t SV_TraceBox(const vec3_t start, const vec3_t mins, const vec3_t maxs, co
        }
        else
                VectorCopy(pEnd, end);
-#endif
-
+#else
        if (VectorCompare(mins, maxs))
        {
                vec3_t shiftstart, shiftend;
@@ -473,6 +487,7 @@ trace_t SV_TraceBox(const vec3_t start, const vec3_t mins, const vec3_t maxs, co
                VectorSubtract(trace.endpos, mins, trace.endpos);
                return trace;
        }
+#endif
 
        VectorCopy(start, clipstart);
        VectorCopy(end, clipend);
@@ -636,7 +651,7 @@ int SV_PointSuperContents(const vec3_t point)
        int frame;
        // list of entities to test for collisions
        int numtouchedicts;
-       prvm_edict_t *touchedicts[MAX_EDICTS];
+       static prvm_edict_t *touchedicts[MAX_EDICTS];
 
        // get world supercontents at this point
        if (sv.worldmodel && sv.worldmodel->PointSuperContents)
@@ -686,7 +701,6 @@ Linking entities into the world culling system
 
 void SV_LinkEdict_TouchAreaGrid_Call(prvm_edict_t *touch, prvm_edict_t *ent)
 {
-       prvm_eval_t *val;
        prog->globals.server->self = PRVM_EDICT_TO_PROG(touch);
        prog->globals.server->other = PRVM_EDICT_TO_PROG(ent);
        prog->globals.server->time = sv.time;
@@ -699,21 +713,18 @@ void SV_LinkEdict_TouchAreaGrid_Call(prvm_edict_t *touch, prvm_edict_t *ent)
        VectorSet (prog->globals.server->trace_plane_normal, 0, 0, 1);
        prog->globals.server->trace_plane_dist = 0;
        prog->globals.server->trace_ent = PRVM_EDICT_TO_PROG(ent);
-       if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_dpstartcontents)))
-               val->_float = 0;
-       if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_dphitcontents)))
-               val->_float = 0;
-       if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_dphitq3surfaceflags)))
-               val->_float = 0;
-       if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_dphittexturename)))
-               val->string = 0;
+       PRVM_serverglobalfloat(trace_dpstartcontents) = 0;
+       PRVM_serverglobalfloat(trace_dphitcontents) = 0;
+       PRVM_serverglobalfloat(trace_dphitq3surfaceflags) = 0;
+       PRVM_serverglobalstring(trace_dphittexturename) = 0;
        PRVM_ExecuteProgram (touch->fields.server->touch, "QC function self.touch is missing");
 }
 
 void SV_LinkEdict_TouchAreaGrid(prvm_edict_t *ent)
 {
        int i, numtouchedicts, old_self, old_other;
-       prvm_edict_t *touch, *touchedicts[MAX_EDICTS];
+       prvm_edict_t *touch;
+       static prvm_edict_t *touchedicts[MAX_EDICTS];
 
        if (ent == prog->edicts)
                return;         // don't add the world
@@ -823,8 +834,8 @@ void SV_LinkEdict (prvm_edict_t *ent)
        {
                if (model != NULL)
                {
-                       if (!model->TraceBox && developer.integer >= 1)
-                               Con_Printf("edict %i: SOLID_BSP with non-collidable model\n", PRVM_NUM_FOR_EDICT(ent));
+                       if (!model->TraceBox)
+                               Con_DPrintf("edict %i: SOLID_BSP with non-collidable model\n", PRVM_NUM_FOR_EDICT(ent));
 
                        if (ent->fields.server->angles[0] || ent->fields.server->angles[2] || ent->fields.server->avelocity[0] || ent->fields.server->avelocity[2])
                        {
@@ -995,7 +1006,6 @@ returns true if entity had a valid contentstransition function call
 int SV_CheckContentsTransition(prvm_edict_t *ent, const int nContents)
 {
        int bValidFunctionCall;
-       prvm_eval_t *contentstransition;
 
        // Default Valid Function Call to False
        bValidFunctionCall = false;
@@ -1003,9 +1013,7 @@ int SV_CheckContentsTransition(prvm_edict_t *ent, const int nContents)
        if(ent->fields.server->watertype != nContents)
        { // Changed Contents
                // Acquire Contents Transition Function from QC
-               contentstransition = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.contentstransition);
-
-               if(contentstransition->function)
+               if(PRVM_serveredictfunction(ent, contentstransition))
                { // Valid Function; Execute
                        // Assign Valid Function
                        bValidFunctionCall = true;
@@ -1017,7 +1025,7 @@ int SV_CheckContentsTransition(prvm_edict_t *ent, const int nContents)
                                // Assign Self
                                prog->globals.server->self = PRVM_EDICT_TO_PROG(ent);
                        // Execute VM Function
-                       PRVM_ExecuteProgram(contentstransition->function, "contentstransition: NULL function");
+                       PRVM_ExecuteProgram(PRVM_serveredictfunction(ent, contentstransition), "contentstransition: NULL function");
                }
        }
 
@@ -1111,25 +1119,20 @@ qboolean SV_RunThink (prvm_edict_t *ent)
 SV_Impact
 
 Two entities have touched, so run their touch functions
-returns true if the impact kept the origin of the touching entity intact
 ==================
 */
 extern void VM_SetTraceGlobals(const trace_t *trace);
 extern sizebuf_t vm_tempstringsbuf;
-qboolean SV_Impact (prvm_edict_t *e1, trace_t *trace)
+void SV_Impact (prvm_edict_t *e1, trace_t *trace)
 {
        int restorevm_tempstringsbuf_cursize;
        int old_self, old_other;
-       vec3_t org;
        prvm_edict_t *e2 = (prvm_edict_t *)trace->ent;
-       prvm_eval_t *val;
 
        old_self = prog->globals.server->self;
        old_other = prog->globals.server->other;
        restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
 
-       VectorCopy(e1->fields.server->origin, org);
-
        VM_SetTraceGlobals(trace);
 
        prog->globals.server->time = sv.time;
@@ -1148,22 +1151,16 @@ qboolean SV_Impact (prvm_edict_t *e1, trace_t *trace)
                VectorNegate(trace->plane.normal, prog->globals.server->trace_plane_normal);
                prog->globals.server->trace_plane_dist = -trace->plane.dist;
                prog->globals.server->trace_ent = PRVM_EDICT_TO_PROG(e1);
-               if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_dpstartcontents)))
-                       val->_float = 0;
-               if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_dphitcontents)))
-                       val->_float = 0;
-               if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_dphitq3surfaceflags)))
-                       val->_float = 0;
-               if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_dphittexturename)))
-                       val->string = 0;
+               PRVM_serverglobalfloat(trace_dpstartcontents) = 0;
+               PRVM_serverglobalfloat(trace_dphitcontents) = 0;
+               PRVM_serverglobalfloat(trace_dphitq3surfaceflags) = 0;
+               PRVM_serverglobalstring(trace_dphittexturename) = 0;
                PRVM_ExecuteProgram (e2->fields.server->touch, "QC function self.touch is missing");
        }
 
        prog->globals.server->self = old_self;
        prog->globals.server->other = old_other;
        vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
-
-       return VectorCompare(e1->fields.server->origin, org);
 }
 
 
@@ -1206,7 +1203,7 @@ If stepnormal is not NULL, the plane normal of any vertical wall hit will be sto
 static float SV_Gravity (prvm_edict_t *ent);
 static qboolean SV_PushEntity (trace_t *trace, prvm_edict_t *ent, vec3_t push, qboolean failonbmodelstartsolid, qboolean dolink);
 #define MAX_CLIP_PLANES 5
-static int SV_FlyMove (prvm_edict_t *ent, float time, qboolean applygravity, float *stepnormal, int hitsupercontentsmask)
+static int SV_FlyMove (prvm_edict_t *ent, float time, qboolean applygravity, float *stepnormal, int hitsupercontentsmask, float stepheight)
 {
        int blocked, bumpcount;
        int i, j, numplanes;
@@ -1219,6 +1216,11 @@ static int SV_FlyMove (prvm_edict_t *ent, float time, qboolean applygravity, flo
        if (time <= 0)
                return 0;
        gravity = 0;
+
+       if(sv_gameplayfix_nogravityonground.integer)
+               if((int)ent->fields.server->flags & FL_ONGROUND)
+                       applygravity = false;
+
        if (applygravity)
        {
                if (sv_gameplayfix_gravityunaffectedbyticrate.integer)
@@ -1243,9 +1245,6 @@ static int SV_FlyMove (prvm_edict_t *ent, float time, qboolean applygravity, flo
                        break;
 
                VectorScale(ent->fields.server->velocity, time_left, push);
-#if 0
-               VectorAdd(ent->fields.server->origin, push, end);
-#endif
                if(!SV_PushEntity(&trace, ent, push, false, false))
                {
                        // we got teleported by a touch function
@@ -1254,64 +1253,6 @@ static int SV_FlyMove (prvm_edict_t *ent, float time, qboolean applygravity, flo
                        break;
                }
 
-#if 0
-               //if (trace.fraction < 0.002)
-               {
-#if 1
-                       vec3_t start;
-                       trace_t testtrace;
-                       VectorCopy(ent->fields.server->origin, start);
-                       start[2] += 3;//0.03125;
-                       VectorMA(ent->fields.server->origin, time_left, ent->fields.server->velocity, end);
-                       end[2] += 3;//0.03125;
-                       testtrace = SV_TraceBox(start, ent->fields.server->mins, ent->fields.server->maxs, end, MOVE_NORMAL, ent, hitsupercontentsmask);
-                       if (trace.fraction < testtrace.fraction && !testtrace.startsolid && (testtrace.fraction == 1 || DotProduct(trace.plane.normal, ent->fields.server->velocity) < DotProduct(testtrace.plane.normal, ent->fields.server->velocity)))
-                       {
-                               Con_Printf("got further (new %f > old %f)\n", testtrace.fraction, trace.fraction);
-                               trace = testtrace;
-                       }
-#endif
-#if 0
-                       //j = -1;
-                       for (i = 0;i < numplanes;i++)
-                       {
-                               VectorCopy(ent->fields.server->origin, start);
-                               VectorMA(ent->fields.server->origin, time_left, ent->fields.server->velocity, end);
-                               VectorMA(start, 3, planes[i], start);
-                               VectorMA(end, 3, planes[i], end);
-                               testtrace = SV_TraceBox(start, ent->fields.server->mins, ent->fields.server->maxs, end, MOVE_NORMAL, ent, hitsupercontentsmask);
-                               if (trace.fraction < testtrace.fraction)
-                               {
-                                       trace = testtrace;
-                                       VectorCopy(start, ent->fields.server->origin);
-                                       //j = i;
-                               }
-                       }
-                       //if (j >= 0)
-                       //      VectorAdd(ent->fields.server->origin, planes[j], start);
-#endif
-               }
-#endif
-
-#if 0
-               Con_Printf("entity %i bump %i: velocity %f %f %f trace %f", ent - prog->edicts, bumpcount, ent->fields.server->velocity[0], ent->fields.server->velocity[1], ent->fields.server->velocity[2], trace.fraction);
-               if (trace.fraction < 1)
-                       Con_Printf(" : %f %f %f", trace.plane.normal[0], trace.plane.normal[1], trace.plane.normal[2]);
-               Con_Print("\n");
-#endif
-
-#if 0
-               if (trace.bmodelstartsolid)
-               {
-                       // LordHavoc: note: this code is what makes entities stick in place
-                       // if embedded in world only (you can walk through other objects if
-                       // stuck)
-                       // entity is trapped in another solid
-                       VectorClear(ent->fields.server->velocity);
-                       return 3;
-               }
-#endif
-
                if (trace.fraction == 1)
                        break;
                if (trace.plane.normal[2])
@@ -1331,9 +1272,55 @@ static int SV_FlyMove (prvm_edict_t *ent, float time, qboolean applygravity, flo
                                ent->fields.server->groundentity = PRVM_EDICT_TO_PROG(trace.ent);
                        }
                }
+               else if (stepheight)
+               {
+                       // step - handle it immediately
+                       vec3_t org;
+                       vec3_t steppush;
+                       trace_t steptrace;
+                       trace_t steptrace2;
+                       trace_t steptrace3;
+                       //Con_Printf("step %f %f %f : ", ent->fields.server->origin[0], ent->fields.server->origin[1], ent->fields.server->origin[2]);
+                       VectorSet(steppush, 0, 0, stepheight);
+                       VectorCopy(ent->fields.server->origin, org);
+                       if(!SV_PushEntity(&steptrace, ent, steppush, false, false))
+                       {
+                               blocked |= 8;
+                               break;
+                       }
+                       //Con_Printf("%f %f %f : ", ent->fields.server->origin[0], ent->fields.server->origin[1], ent->fields.server->origin[2]);
+                       if(!SV_PushEntity(&steptrace2, ent, push, false, false))
+                       {
+                               blocked |= 8;
+                               break;
+                       }
+                       //Con_Printf("%f %f %f : ", ent->fields.server->origin[0], ent->fields.server->origin[1], ent->fields.server->origin[2]);
+                       VectorSet(steppush, 0, 0, org[2] - ent->fields.server->origin[2]);
+                       if(!SV_PushEntity(&steptrace3, ent, steppush, false, false))
+                       {
+                               blocked |= 8;
+                               break;
+                       }
+                       //Con_Printf("%f %f %f : ", ent->fields.server->origin[0], ent->fields.server->origin[1], ent->fields.server->origin[2]);
+                       // accept the new position if it made some progress...
+                       if (fabs(ent->fields.server->origin[0] - org[0]) >= 0.03125 || fabs(ent->fields.server->origin[1] - org[1]) >= 0.03125)
+                       {
+                               //Con_Printf("accepted (delta %f %f %f)\n", ent->fields.server->origin[0] - org[0], ent->fields.server->origin[1] - org[1], ent->fields.server->origin[2] - org[2]);
+                               trace = steptrace2;
+                               VectorCopy(ent->fields.server->origin, trace.endpos);
+                               time_left *= 1 - trace.fraction;
+                               numplanes = 0;
+                               continue;
+                       }
+                       else
+                       {
+                               //Con_Printf("REJECTED (delta %f %f %f)\n", ent->fields.server->origin[0] - org[0], ent->fields.server->origin[1] - org[1], ent->fields.server->origin[2] - org[2]);
+                               VectorCopy(org, ent->fields.server->origin);
+                       }
+               }
                else
                {
-                       // step
+                       // step - return it to caller
                        blocked |= 2;
                        // save the trace for player extrafriction
                        if (stepnormal)
@@ -1371,47 +1358,42 @@ static int SV_FlyMove (prvm_edict_t *ent, float time, qboolean applygravity, flo
                VectorCopy(trace.plane.normal, planes[numplanes]);
                numplanes++;
 
-               if (sv_newflymove.integer)
-                       ClipVelocity(ent->fields.server->velocity, trace.plane.normal, ent->fields.server->velocity, 1);
-               else
+               // modify original_velocity so it parallels all of the clip planes
+               for (i = 0;i < numplanes;i++)
                {
-                       // 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++)
                        {
-                               ClipVelocity(original_velocity, planes[i], new_velocity, 1);
-                               for (j = 0;j < numplanes;j++)
+                               if (j != i)
                                {
-                                       if (j != i)
-                                       {
-                                               // not ok
-                                               if (DotProduct(new_velocity, planes[j]) < 0)
-                                                       break;
-                                       }
+                                       // not ok
+                                       if (DotProduct(new_velocity, planes[j]) < 0)
+                                               break;
                                }
-                               if (j == numplanes)
-                                       break;
                        }
+                       if (j == numplanes)
+                               break;
+               }
 
-                       if (i != numplanes)
-                       {
-                               // go along this plane
-                               VectorCopy(new_velocity, ent->fields.server->velocity);
-                       }
-                       else
+               if (i != numplanes)
+               {
+                       // go along this plane
+                       VectorCopy(new_velocity, ent->fields.server->velocity);
+               }
+               else
+               {
+                       // go along the crease
+                       if (numplanes != 2)
                        {
-                               // go along the crease
-                               if (numplanes != 2)
-                               {
-                                       VectorClear(ent->fields.server->velocity);
-                                       blocked = 7;
-                                       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->fields.server->velocity);
-                               VectorScale(dir, d, ent->fields.server->velocity);
+                               VectorClear(ent->fields.server->velocity);
+                               blocked = 7;
+                               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->fields.server->velocity);
+                       VectorScale(dir, d, ent->fields.server->velocity);
                }
 
                // if current velocity is against the original velocity,
@@ -1451,13 +1433,10 @@ SV_Gravity
 static float SV_Gravity (prvm_edict_t *ent)
 {
        float ent_gravity;
-       prvm_eval_t *val;
 
-       val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.gravity);
-       if (val!=0 && val->_float)
-               ent_gravity = val->_float;
-       else
-               ent_gravity = 1.0;
+       ent_gravity = PRVM_serveredictfloat(ent, gravity);
+       if (!ent_gravity)
+               ent_gravity = 1.0f;
        return ent_gravity * sv_gravity.value * sv.frametime;
 }
 
@@ -1483,7 +1462,7 @@ static qboolean SV_PushEntity (trace_t *trace, prvm_edict_t *ent, vec3_t push, q
 {
        int type;
        int bump;
-       vec3_t original;
+       vec3_t original, original_velocity;
        vec3_t end;
 
        VectorCopy(ent->fields.server->origin, original);
@@ -1498,7 +1477,7 @@ static qboolean SV_PushEntity (trace_t *trace, prvm_edict_t *ent, vec3_t push, q
 
        *trace = SV_TraceBox(ent->fields.server->origin, ent->fields.server->mins, ent->fields.server->maxs, end, type, ent, SV_GenericHitSuperContentsMask(ent));
        bump = 0;
-       while (trace->startsolid && sv_gameplayfix_nudgeoutofsolid.integer)
+       while (trace->bmodelstartsolid && sv_gameplayfix_nudgeoutofsolid.integer)
        {
                vec_t nudge = -trace->startdepth + sv_gameplayfix_nudgeoutofsolid_bias.value;
                VectorMA(ent->fields.server->origin, nudge, trace->startdepthnormal, ent->fields.server->origin);
@@ -1513,8 +1492,11 @@ static qboolean SV_PushEntity (trace_t *trace, prvm_edict_t *ent, vec3_t push, q
        if (trace->bmodelstartsolid && failonbmodelstartsolid)
                return true;
 
-
        VectorCopy (trace->endpos, ent->fields.server->origin);
+
+       VectorCopy(ent->fields.server->origin, original);
+       VectorCopy(ent->fields.server->velocity, original_velocity);
+
        SV_LinkEdict(ent);
 
 #if 0
@@ -1529,9 +1511,9 @@ static qboolean SV_PushEntity (trace_t *trace, prvm_edict_t *ent, vec3_t push, q
                SV_LinkEdict_TouchAreaGrid(ent);
 
        if((ent->fields.server->solid >= SOLID_TRIGGER && trace->ent && (!((int)ent->fields.server->flags & FL_ONGROUND) || ent->fields.server->groundentity != PRVM_EDICT_TO_PROG(trace->ent))))
-               return SV_Impact (ent, trace);
+               SV_Impact (ent, trace);
 
-       return true;
+       return VectorCompare(ent->fields.server->origin, original) && VectorCompare(ent->fields.server->velocity, original_velocity);
 }
 
 
@@ -1555,7 +1537,7 @@ void SV_PushMove (prvm_edict_t *pusher, float movetime)
        dp_model_t *pushermodel;
        trace_t trace, trace2;
        matrix4x4_t pusherfinalmatrix, pusherfinalimatrix;
-       unsigned short moved_edicts[MAX_EDICTS];
+       static unsigned short moved_edicts[MAX_EDICTS];
 
        if (!pusher->fields.server->velocity[0] && !pusher->fields.server->velocity[1] && !pusher->fields.server->velocity[2] && !pusher->fields.server->avelocity[0] && !pusher->fields.server->avelocity[1] && !pusher->fields.server->avelocity[2])
        {
@@ -1967,8 +1949,8 @@ qboolean SV_UnstickEntity (prvm_edict_t *ent)
                        Con_DPrintf("Unstuck entity %i (classname \"%s\") with offset %f %f %f.\n", (int)PRVM_EDICT_TO_PROG(ent), PRVM_GetString(ent->fields.server->classname), offset[0], offset[1], offset[2]);
                        return true;
                case UNSTICK_STUCK:
-                       if (developer.integer >= 100)
-                               Con_Printf("Stuck entity %i (classname \"%s\").\n", (int)PRVM_EDICT_TO_PROG(ent), PRVM_GetString(ent->fields.server->classname));
+                       if (developer_extra.integer)
+                               Con_DPrintf("Stuck entity %i (classname \"%s\").\n", (int)PRVM_EDICT_TO_PROG(ent), PRVM_GetString(ent->fields.server->classname));
                        return false;
                default:
                        Con_Printf("SV_UnstickEntityReturnOffset returned a value outside its enum.\n");
@@ -2157,7 +2139,13 @@ Only used by players
 */
 void SV_WalkMove (prvm_edict_t *ent)
 {
-       int clip, oldonground, originalmove_clip, originalmove_flags, originalmove_groundentity, hitsupercontentsmask;
+       int clip;
+       int oldonground;
+       //int originalmove_clip;
+       int originalmove_flags;
+       int originalmove_groundentity;
+       int hitsupercontentsmask;
+       int type;
        vec3_t upmove, downmove, start_origin, start_velocity, stepnormal, originalmove_origin, originalmove_velocity;
        trace_t downtrace, trace;
        qboolean applygravity;
@@ -2181,10 +2169,29 @@ void SV_WalkMove (prvm_edict_t *ent)
        VectorCopy (ent->fields.server->origin, start_origin);
        VectorCopy (ent->fields.server->velocity, start_velocity);
 
-       clip = SV_FlyMove (ent, sv.frametime, applygravity, NULL, hitsupercontentsmask);
+       clip = SV_FlyMove (ent, sv.frametime, applygravity, NULL, hitsupercontentsmask, sv_gameplayfix_stepmultipletimes.integer ? sv_stepheight.value : 0);
+
+       if(sv_gameplayfix_downtracesupportsongroundflag.integer)
+       if(!(clip & 1))
+       {
+               // only try this if there was no floor in the way in the trace (no,
+               // this check seems to be not REALLY necessary, because if clip & 1,
+               // our trace will hit that thing too)
+               VectorSet(upmove, ent->fields.server->origin[0], ent->fields.server->origin[1], ent->fields.server->origin[2] + 1);
+               VectorSet(downmove, ent->fields.server->origin[0], ent->fields.server->origin[1], ent->fields.server->origin[2] - 1);
+               if (ent->fields.server->movetype == MOVETYPE_FLYMISSILE)
+                       type = MOVE_MISSILE;
+               else if (ent->fields.server->solid == SOLID_TRIGGER || ent->fields.server->solid == SOLID_NOT)
+                       type = MOVE_NOMONSTERS; // only clip against bmodels
+               else
+                       type = MOVE_NORMAL;
+               trace = SV_TraceBox(upmove, ent->fields.server->mins, ent->fields.server->maxs, downmove, type, ent, SV_GenericHitSuperContentsMask(ent));
+               if(trace.fraction < 1 && trace.plane.normal[2] > 0.7)
+                       clip |= 1; // but we HAVE found a floor
+       }
 
        // if the move did not hit the ground at any point, we're not on ground
-       if (!(clip & 1))
+       if(!(clip & 1))
                ent->fields.server->flags = (int)ent->fields.server->flags & ~FL_ONGROUND;
 
        SV_CheckVelocity(ent);
@@ -2202,7 +2209,7 @@ void SV_WalkMove (prvm_edict_t *ent)
 
        VectorCopy(ent->fields.server->origin, originalmove_origin);
        VectorCopy(ent->fields.server->velocity, originalmove_velocity);
-       originalmove_clip = clip;
+       //originalmove_clip = clip;
        originalmove_flags = (int)ent->fields.server->flags;
        originalmove_groundentity = ent->fields.server->groundentity;
 
@@ -2241,7 +2248,7 @@ void SV_WalkMove (prvm_edict_t *ent)
 
                // move forward
                ent->fields.server->velocity[2] = 0;
-               clip = SV_FlyMove (ent, sv.frametime, applygravity, stepnormal, hitsupercontentsmask);
+               clip = SV_FlyMove (ent, sv.frametime, applygravity, stepnormal, hitsupercontentsmask, 0);
                ent->fields.server->velocity[2] += start_velocity[2];
                if(clip & 8)
                {
@@ -2497,11 +2504,10 @@ void SV_Physics_Toss (prvm_edict_t *ent)
                movetime *= 1 - min(1, trace.fraction);
                if (ent->fields.server->movetype == MOVETYPE_BOUNCEMISSILE)
                {
-                       prvm_eval_t *val;
-                       float bouncefactor = 1.0f;
-                       val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.bouncefactor);
-                       if (val!=0 && val->_float)
-                               bouncefactor = val->_float;
+                       float bouncefactor;
+                       bouncefactor = PRVM_serveredictfloat(ent, bouncefactor);
+                       if (!bouncefactor)
+                               bouncefactor = 1.0f;
 
                        ClipVelocity (ent->fields.server->velocity, trace.plane.normal, ent->fields.server->velocity, 1 + bouncefactor);
                        ent->fields.server->flags = (int)ent->fields.server->flags & ~FL_ONGROUND;
@@ -2509,25 +2515,22 @@ void SV_Physics_Toss (prvm_edict_t *ent)
                else if (ent->fields.server->movetype == MOVETYPE_BOUNCE)
                {
                        float d, ent_gravity;
-                       prvm_eval_t *val;
-                       float bouncefactor = 0.5f;
-                       float bouncestop = 60.0f / 800.0f;
+                       float bouncefactor;
+                       float bouncestop;
 
-                       val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.bouncefactor);
-                       if (val!=0 && val->_float)
-                               bouncefactor = val->_float;
+                       bouncefactor = PRVM_serveredictfloat(ent, bouncefactor);
+                       if (!bouncefactor)
+                               bouncefactor = 0.5f;
 
-                       val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.bouncestop);
-                       if (val!=0 && val->_float)
-                               bouncestop = val->_float;
+                       bouncestop = PRVM_serveredictfloat(ent, bouncestop);
+                       if (!bouncestop)
+                               bouncestop = 60.0f / 800.0f;
 
                        ClipVelocity (ent->fields.server->velocity, trace.plane.normal, ent->fields.server->velocity, 1 + bouncefactor);
+                       ent_gravity = PRVM_serveredictfloat(ent, gravity);
+                       if (!ent_gravity)
+                               ent_gravity = 1.0f;
                        // LordHavoc: fixed grenades not bouncing when fired down a slope
-                       val = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.gravity);
-                       if (val!=0 && val->_float)
-                               ent_gravity = val->_float;
-                       else
-                               ent_gravity = 1.0;
                        if (sv_gameplayfix_grenadebouncedownslopes.integer)
                        {
                                d = DotProduct(trace.plane.normal, ent->fields.server->velocity);
@@ -2603,7 +2606,6 @@ void SV_Physics_Step (prvm_edict_t *ent)
        // DRESK
        // Backup Velocity in the event that movetypesteplandevent is called,
        // to provide a parameter with the entity's velocity at impact.
-       prvm_eval_t *movetypesteplandevent;
        vec3_t backupVelocity;
        VectorCopy(ent->fields.server->velocity, backupVelocity);
        // don't fall at all if fly/swim
@@ -2617,7 +2619,7 @@ void SV_Physics_Step (prvm_edict_t *ent)
                        {
                                ent->fields.server->flags -= FL_ONGROUND;
                                SV_CheckVelocity(ent);
-                               SV_FlyMove(ent, sv.frametime, true, NULL, SV_GenericHitSuperContentsMask(ent));
+                               SV_FlyMove(ent, sv.frametime, true, NULL, SV_GenericHitSuperContentsMask(ent), 0);
                                SV_LinkEdict(ent);
                                SV_LinkEdict_TouchAreaGrid(ent);
                                ent->priv.server->waterposition_forceupdate = true;
@@ -2629,7 +2631,7 @@ void SV_Physics_Step (prvm_edict_t *ent)
                        int hitsound = ent->fields.server->velocity[2] < sv_gravity.value * -0.1;
 
                        SV_CheckVelocity(ent);
-                       SV_FlyMove(ent, sv.frametime, true, NULL, SV_GenericHitSuperContentsMask(ent));
+                       SV_FlyMove(ent, sv.frametime, true, NULL, SV_GenericHitSuperContentsMask(ent), 0);
                        SV_LinkEdict(ent);
                        SV_LinkEdict_TouchAreaGrid(ent);
 
@@ -2637,9 +2639,7 @@ void SV_Physics_Step (prvm_edict_t *ent)
                        if (hitsound && (int)ent->fields.server->flags & FL_ONGROUND)
                        {
                                // DRESK - Check for Entity Land Event Function
-                               movetypesteplandevent = PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.movetypesteplandevent);
-
-                               if(movetypesteplandevent->function)
+                               if(PRVM_serveredictfunction(ent, movetypesteplandevent))
                                { // Valid Function; Execute
                                        // Prepare Parameters
                                                // Assign Velocity at Impact
@@ -2649,7 +2649,7 @@ void SV_Physics_Step (prvm_edict_t *ent)
                                                // Assign Self
                                                prog->globals.server->self = PRVM_EDICT_TO_PROG(ent);
                                        // Execute VM Function
-                                       PRVM_ExecuteProgram(movetypesteplandevent->function, "movetypesteplandevent: NULL function");
+                                       PRVM_ExecuteProgram(PRVM_serveredictfunction(ent, movetypesteplandevent), "movetypesteplandevent: NULL function");
                                }
                                else
                                // Check for Engine Landing Sound
@@ -2990,12 +2990,12 @@ void SV_Physics (void)
                prog->globals.server->force_retouch = max(0, prog->globals.server->force_retouch - 1);
 
        // LordHavoc: endframe support
-       if (prog->funcoffsets.EndFrame)
+       if (PRVM_serverfunction(EndFrame))
        {
                prog->globals.server->self = PRVM_EDICT_TO_PROG(prog->edicts);
                prog->globals.server->other = PRVM_EDICT_TO_PROG(prog->edicts);
                prog->globals.server->time = sv.time;
-               PRVM_ExecuteProgram (prog->funcoffsets.EndFrame, "QC function EndFrame is missing");
+               PRVM_ExecuteProgram (PRVM_serverfunction(EndFrame), "QC function EndFrame is missing");
        }
 
        // decrement prog->num_edicts if the highest number entities died