]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - sv_phys.c
added sv_waterfriction, sv_airaccelerate, sv_wateraccelerate cvars (and corresponding...
[xonotic/darkplaces.git] / sv_phys.c
index 03cc09613818f300ec6297397c445f8c66b46db1..2355d16b7764716ebcee306df6993b647a2954f4 100644 (file)
--- a/sv_phys.c
+++ b/sv_phys.c
@@ -20,6 +20,8 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 // sv_phys.c
 
 #include "quakedef.h"
+// used only for VM_GetTempString
+#include "prvm_cmds.h"
 
 /*
 
@@ -39,17 +41,21 @@ solid_edge items only clip against bsp models.
 
 */
 
-cvar_t sv_friction = {CVAR_NOTIFY, "sv_friction","4"};
-cvar_t sv_stopspeed = {CVAR_NOTIFY, "sv_stopspeed","100"};
-cvar_t sv_gravity = {CVAR_NOTIFY, "sv_gravity","800"};
-cvar_t sv_maxvelocity = {CVAR_NOTIFY, "sv_maxvelocity","2000"};
-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", "0"};
-cvar_t sv_freezenonclients = {CVAR_NOTIFY, "sv_freezenonclients", "0"};
-cvar_t sv_playerphysicsqc = {CVAR_NOTIFY, "sv_playerphysicsqc", "1"};
+cvar_t sv_friction = {CVAR_NOTIFY, "sv_friction","4", "how fast you slow down"};
+cvar_t sv_waterfriction = {CVAR_NOTIFY, "sv_waterfriction","-1", "how fast you slow down, if less than 0 the sv_friction variable is used instead"};
+cvar_t sv_stopspeed = {CVAR_NOTIFY, "sv_stopspeed","100", "how fast you come to a complete stop"};
+cvar_t sv_gravity = {CVAR_NOTIFY, "sv_gravity","800", "how fast you fall (512 = roughly earth gravity)"};
+cvar_t sv_maxvelocity = {CVAR_NOTIFY, "sv_maxvelocity","2000", "universal speed limit on all entities"};
+cvar_t sv_nostep = {CVAR_NOTIFY, "sv_nostep","0", "prevents MOVETYPE_STEP entities (monsters) from moving"};
+cvar_t sv_stepheight = {CVAR_NOTIFY, "sv_stepheight", "18", "how high you can step up (TW_SV_STEPCONTROL extension)"};
+cvar_t sv_jumpstep = {CVAR_NOTIFY, "sv_jumpstep", "0", "whether you can step up while jumping (sv_gameplayfix_stepwhilejumping must also be 1)"};
+cvar_t sv_wallfriction = {CVAR_NOTIFY, "sv_wallfriction", "1", "how much you slow down when sliding along a wall"};
+cvar_t sv_newflymove = {CVAR_NOTIFY, "sv_newflymove", "0", "enables simpler/buggier player physics (not recommended)"};
+cvar_t sv_freezenonclients = {CVAR_NOTIFY, "sv_freezenonclients", "0", "freezes time, except for players, allowing you to walk around and take screenshots of explosions"};
+cvar_t sv_playerphysicsqc = {CVAR_NOTIFY, "sv_playerphysicsqc", "1", "enables QuakeC function to override player physics"};
+
+cvar_t sv_sound_watersplash = {0, "sv_sound_watersplash", "misc/h2ohit1.wav", "sound to play when MOVETYPE_FLY/TOSS/BOUNCE/STEP entity enters or leaves water (empty cvar disables the sound)"};
+cvar_t sv_sound_land = {0, "sv_sound_land", "demon/dland2.wav", "sound to play when MOVETYPE_STEP entity hits the ground at high speed (empty cvar disables the sound)"};
 
 #define        MOVE_EPSILON    0.01
 
@@ -64,6 +70,25 @@ void SV_Phys_Init (void)
        Cvar_RegisterVariable(&sv_freezenonclients);
 
        Cvar_RegisterVariable(&sv_playerphysicsqc);
+
+       Cvar_RegisterVariable(&sv_sound_watersplash);
+       Cvar_RegisterVariable(&sv_sound_land);
+}
+
+/*
+============
+SV_TestEntityPosition
+
+returns true if the entity is in solid currently
+============
+*/
+static int SV_TestEntityPosition (prvm_edict_t *ent)
+{
+       trace_t trace = SV_Move (ent->fields.server->origin, ent->fields.server->mins, ent->fields.server->maxs, ent->fields.server->origin, MOVE_NOMONSTERS, ent);
+       if (trace.startsupercontents & SUPERCONTENTS_SOLID)
+               return true;
+       else
+               return false;
 }
 
 /*
@@ -169,25 +194,73 @@ SV_Impact
 Two entities have touched, so run their touch functions
 ==================
 */
-void SV_Impact (prvm_edict_t *e1, prvm_edict_t *e2)
+void SV_Impact (prvm_edict_t *e1, trace_t *trace)
 {
        int old_self, old_other;
+       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;
 
        prog->globals.server->time = sv.time;
-       if (e1->fields.server->touch && e1->fields.server->solid != SOLID_NOT)
+       if (!e1->priv.server->free && !e2->priv.server->free && e1->fields.server->touch && e1->fields.server->solid != SOLID_NOT)
        {
                prog->globals.server->self = PRVM_EDICT_TO_PROG(e1);
                prog->globals.server->other = PRVM_EDICT_TO_PROG(e2);
+               prog->globals.server->trace_allsolid = trace->allsolid;
+               prog->globals.server->trace_startsolid = trace->startsolid;
+               prog->globals.server->trace_fraction = trace->fraction;
+               prog->globals.server->trace_inwater = trace->inwater;
+               prog->globals.server->trace_inopen = trace->inopen;
+               VectorCopy (trace->endpos, prog->globals.server->trace_endpos);
+               VectorCopy (trace->plane.normal, prog->globals.server->trace_plane_normal);
+               prog->globals.server->trace_plane_dist =  trace->plane.dist;
+               if (trace->ent)
+                       prog->globals.server->trace_ent = PRVM_EDICT_TO_PROG(trace->ent);
+               else
+                       prog->globals.server->trace_ent = PRVM_EDICT_TO_PROG(prog->edicts);
+               if ((val = PRVM_GETGLOBALFIELDVALUE(gval_trace_dpstartcontents)))
+                       val->_float = trace->startsupercontents;
+               if ((val = PRVM_GETGLOBALFIELDVALUE(gval_trace_dphitcontents)))
+                       val->_float = trace->hitsupercontents;
+               if ((val = PRVM_GETGLOBALFIELDVALUE(gval_trace_dphitq3surfaceflags)))
+                       val->_float = trace->hitq3surfaceflags;
+               if ((val = PRVM_GETGLOBALFIELDVALUE(gval_trace_dphittexturename)))
+               {
+                       if (trace->hittexture)
+                       {
+                               char *s = VM_GetTempString();
+                               strlcpy(s, trace->hittexture->name, VM_STRINGTEMP_LENGTH);
+                               val->string = PRVM_SetEngineString(s);
+                       }
+                       else
+                               val->string = 0;
+               }
                PRVM_ExecuteProgram (e1->fields.server->touch, "QC function self.touch is missing");
        }
 
-       if (e2->fields.server->touch && e2->fields.server->solid != SOLID_NOT)
+       if (!e1->priv.server->free && !e2->priv.server->free && e2->fields.server->touch && e2->fields.server->solid != SOLID_NOT)
        {
                prog->globals.server->self = PRVM_EDICT_TO_PROG(e2);
                prog->globals.server->other = PRVM_EDICT_TO_PROG(e1);
+               prog->globals.server->trace_allsolid = false;
+               prog->globals.server->trace_startsolid = false;
+               prog->globals.server->trace_fraction = 1;
+               prog->globals.server->trace_inwater = false;
+               prog->globals.server->trace_inopen = true;
+               VectorCopy (e2->fields.server->origin, prog->globals.server->trace_endpos);
+               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(e1);
+               if ((val = PRVM_GETGLOBALFIELDVALUE(gval_trace_dpstartcontents)))
+                       val->_float = 0;
+               if ((val = PRVM_GETGLOBALFIELDVALUE(gval_trace_dphitcontents)))
+                       val->_float = 0;
+               if ((val = PRVM_GETGLOBALFIELDVALUE(gval_trace_dphitq3surfaceflags)))
+                       val->_float = 0;
+               if ((val = PRVM_GETGLOBALFIELDVALUE(gval_trace_dphittexturename)))
+                       val->string = 0;
                PRVM_ExecuteProgram (e2->fields.server->touch, "QC function self.touch is missing");
        }
 
@@ -298,15 +371,15 @@ int SV_FlyMove (prvm_edict_t *ent, float time, float *stepnormal)
                Con_Print("\n");
 #endif
 
-               /*
-               if (trace.startsolid)
+               if (trace.bmodelstartsolid)
                {
-                       // LordHavoc: note: this code is what makes entities stick in place if embedded in another object (which can be the world)
+                       // 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;
                }
-               */
 
                // break if it moved the entire distance
                if (trace.fraction == 1)
@@ -359,7 +432,7 @@ int SV_FlyMove (prvm_edict_t *ent, float time, float *stepnormal)
                // run the impact function
                if (impact)
                {
-                       SV_Impact(ent, trace.ent);
+                       SV_Impact(ent, &trace);
 
                        // break if removed by the impact function
                        if (ent->priv.server->free)
@@ -512,7 +585,7 @@ trace_t SV_PushEntity (prvm_edict_t *ent, vec3_t push)
        SV_LinkEdict (ent, true);
 
        if (trace.ent && (!((int)ent->fields.server->flags & FL_ONGROUND) || ent->fields.server->groundentity != PRVM_EDICT_TO_PROG(trace.ent)))
-               SV_Impact (ent, trace.ent);
+               SV_Impact (ent, &trace);
        return trace;
 }
 
@@ -523,13 +596,11 @@ SV_PushMove
 
 ============
 */
-trace_t SV_ClipMoveToEntity (prvm_edict_t *ent, vec3_t start, vec3_t mins, vec3_t maxs, vec3_t end, int movetype, int hitsupercontents);
 void SV_PushMove (prvm_edict_t *pusher, float movetime)
 {
        int i, e, index;
-       prvm_edict_t *check, *ed;
        float savesolid, movetime2, pushltime;
-       vec3_t mins, maxs, move, move1, moveangle, pushorig, pushang, a, forward, left, up, org, org2;
+       vec3_t mins, maxs, move, move1, moveangle, pushorig, pushang, a, forward, left, up, org;
        int num_moved;
        int numcheckentities;
        static prvm_edict_t *checkentities[MAX_EDICTS];
@@ -562,13 +633,13 @@ void SV_PushMove (prvm_edict_t *pusher, float movetime)
                SV_LinkEdict (pusher, false);
                return;
        default:
-               Con_Printf("SV_PushMove: unrecognized solid type %f\n", pusher->fields.server->solid);
+               Con_Printf("SV_PushMove: entity #%i, unrecognized solid type %f\n", PRVM_NUM_FOR_EDICT(pusher), pusher->fields.server->solid);
                return;
        }
        index = (int) pusher->fields.server->modelindex;
        if (index < 1 || index >= MAX_MODELS)
        {
-               Con_Printf("SV_PushMove: invalid modelindex %f\n", pusher->fields.server->modelindex);
+               Con_Printf("SV_PushMove: entity #%i has an invalid modelindex %f\n", PRVM_NUM_FOR_EDICT(pusher), pusher->fields.server->modelindex);
                return;
        }
        pushermodel = sv.models[index];
@@ -647,24 +718,29 @@ void SV_PushMove (prvm_edict_t *pusher, float movetime)
        numcheckentities = SV_EntitiesInBox(mins, maxs, MAX_EDICTS, checkentities);
        for (e = 0;e < numcheckentities;e++)
        {
-               check = checkentities[e];
-               if ((int)check->fields.server->movetype == MOVETYPE_PUSH
-                || (int)check->fields.server->movetype == MOVETYPE_NONE
-                || (int)check->fields.server->movetype == MOVETYPE_FOLLOW
-                || (int)check->fields.server->movetype == MOVETYPE_NOCLIP
-                || (int)check->fields.server->movetype == MOVETYPE_FAKEPUSH)
+               prvm_edict_t *check = checkentities[e];
+               if (check->fields.server->movetype == MOVETYPE_NONE
+                || check->fields.server->movetype == MOVETYPE_PUSH
+                || check->fields.server->movetype == MOVETYPE_FOLLOW
+                || check->fields.server->movetype == MOVETYPE_NOCLIP
+                || check->fields.server->movetype == MOVETYPE_FAKEPUSH)
                        continue;
 
                // if the entity is standing on the pusher, it will definitely be moved
                if (!(((int)check->fields.server->flags & FL_ONGROUND) && PRVM_PROG_TO_EDICT(check->fields.server->groundentity) == pusher))
                {
                        // if the entity is not inside the pusher's final position, leave it alone
-                       if (!SV_ClipMoveToEntity(pusher, check->fields.server->origin, check->fields.server->mins, check->fields.server->maxs, check->fields.server->origin, 0, SUPERCONTENTS_SOLID).startsolid)
+                       if (!SV_ClipMoveToEntity(pusher, check->fields.server->origin, check->fields.server->mins, check->fields.server->maxs, check->fields.server->origin, 0, SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY).startsolid)
                                continue;
+                       // remove the onground flag for non-players
+                       if (check->fields.server->movetype != MOVETYPE_WALK)
+                               check->fields.server->flags = (int)check->fields.server->flags & ~FL_ONGROUND;
                }
 
+
                if (forward[0] != 1 || left[1] != 1) // quick way to check if any rotation is used
                {
+                       vec3_t org2;
                        VectorSubtract (check->fields.server->origin, pusher->fields.server->origin, org);
                        org2[0] = DotProduct (org, forward);
                        org2[1] = DotProduct (org, left);
@@ -675,10 +751,6 @@ void SV_PushMove (prvm_edict_t *pusher, float movetime)
                else
                        VectorCopy (move1, move);
 
-               // remove the onground flag for non-players
-               if ((int)check->fields.server->movetype != MOVETYPE_WALK)
-                       check->fields.server->flags = (int)check->fields.server->flags & ~FL_ONGROUND;
-
                VectorCopy (check->fields.server->origin, check->priv.server->moved_from);
                VectorCopy (check->fields.server->angles, check->priv.server->moved_fromangles);
                sv.moved_edicts[num_moved++] = check;
@@ -691,50 +763,63 @@ void SV_PushMove (prvm_edict_t *pusher, float movetime)
                pusher->fields.server->solid = savesolid; // was SOLID_BSP
 
                // if it is still inside the pusher, block
-               if (SV_ClipMoveToEntity(pusher, check->fields.server->origin, check->fields.server->mins, check->fields.server->maxs, check->fields.server->origin, 0, SUPERCONTENTS_SOLID).startsolid)
+               if (SV_ClipMoveToEntity(pusher, check->fields.server->origin, check->fields.server->mins, check->fields.server->maxs, check->fields.server->origin, 0, SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY).startsolid)
                {
                        // try moving the contacted entity a tiny bit further to account for precision errors
+                       vec3_t move2;
                        pusher->fields.server->solid = SOLID_NOT;
-                       VectorScale(move, 0.1, move);
-                       SV_PushEntity (check, move);
+                       VectorScale(move, 1.1, move2);
+                       VectorCopy (check->priv.server->moved_from, check->fields.server->origin);
+                       VectorCopy (check->priv.server->moved_fromangles, check->fields.server->angles);
+                       SV_PushEntity (check, move2);
                        pusher->fields.server->solid = savesolid;
-                       if (SV_ClipMoveToEntity(pusher, check->fields.server->origin, check->fields.server->mins, check->fields.server->maxs, check->fields.server->origin, 0, SUPERCONTENTS_SOLID).startsolid)
+                       if (SV_ClipMoveToEntity(pusher, check->fields.server->origin, check->fields.server->mins, check->fields.server->maxs, check->fields.server->origin, 0, SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY).startsolid)
                        {
-                               // still inside pusher, so it's really blocked
-
-                               // fail the move
-                               if (check->fields.server->mins[0] == check->fields.server->maxs[0])
-                                       continue;
-                               if ((int)check->fields.server->solid == SOLID_NOT || (int)check->fields.server->solid == SOLID_TRIGGER)
+                               // try moving the contacted entity a tiny bit less to account for precision errors
+                               pusher->fields.server->solid = SOLID_NOT;
+                               VectorScale(move, 0.9, move2);
+                               VectorCopy (check->priv.server->moved_from, check->fields.server->origin);
+                               VectorCopy (check->priv.server->moved_fromangles, check->fields.server->angles);
+                               SV_PushEntity (check, move2);
+                               pusher->fields.server->solid = savesolid;
+                               if (SV_ClipMoveToEntity(pusher, check->fields.server->origin, check->fields.server->mins, check->fields.server->maxs, check->fields.server->origin, 0, SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY).startsolid)
                                {
-                                       // corpse
-                                       check->fields.server->mins[0] = check->fields.server->mins[1] = 0;
-                                       VectorCopy (check->fields.server->mins, check->fields.server->maxs);
-                                       continue;
-                               }
+                                       // still inside pusher, so it's really blocked
 
-                               VectorCopy (pushorig, pusher->fields.server->origin);
-                               VectorCopy (pushang, pusher->fields.server->angles);
-                               pusher->fields.server->ltime = pushltime;
-                               SV_LinkEdict (pusher, false);
+                                       // fail the move
+                                       if (check->fields.server->mins[0] == check->fields.server->maxs[0])
+                                               continue;
+                                       if (check->fields.server->solid == SOLID_NOT || check->fields.server->solid == SOLID_TRIGGER)
+                                       {
+                                               // corpse
+                                               check->fields.server->mins[0] = check->fields.server->mins[1] = 0;
+                                               VectorCopy (check->fields.server->mins, check->fields.server->maxs);
+                                               continue;
+                                       }
 
-                               // move back any entities we already moved
-                               for (i = 0;i < num_moved;i++)
-                               {
-                                       ed = sv.moved_edicts[i];
-                                       VectorCopy (ed->priv.server->moved_from, ed->fields.server->origin);
-                                       VectorCopy (ed->priv.server->moved_fromangles, ed->fields.server->angles);
-                                       SV_LinkEdict (ed, false);
-                               }
+                                       VectorCopy (pushorig, pusher->fields.server->origin);
+                                       VectorCopy (pushang, pusher->fields.server->angles);
+                                       pusher->fields.server->ltime = pushltime;
+                                       SV_LinkEdict (pusher, false);
 
-                               // if the pusher has a "blocked" function, call it, otherwise just stay in place until the obstacle is gone
-                               if (pusher->fields.server->blocked)
-                               {
-                                       prog->globals.server->self = PRVM_EDICT_TO_PROG(pusher);
-                                       prog->globals.server->other = PRVM_EDICT_TO_PROG(check);
-                                       PRVM_ExecuteProgram (pusher->fields.server->blocked, "QC function self.blocked is missing");
+                                       // move back any entities we already moved
+                                       for (i = 0;i < num_moved;i++)
+                                       {
+                                               prvm_edict_t *ed = sv.moved_edicts[i];
+                                               VectorCopy (ed->priv.server->moved_from, ed->fields.server->origin);
+                                               VectorCopy (ed->priv.server->moved_fromangles, ed->fields.server->angles);
+                                               SV_LinkEdict (ed, false);
+                                       }
+
+                                       // if the pusher has a "blocked" function, call it, otherwise just stay in place until the obstacle is gone
+                                       if (pusher->fields.server->blocked)
+                                       {
+                                               prog->globals.server->self = PRVM_EDICT_TO_PROG(pusher);
+                                               prog->globals.server->other = PRVM_EDICT_TO_PROG(check);
+                                               PRVM_ExecuteProgram (pusher->fields.server->blocked, "QC function self.blocked is missing");
+                                       }
+                                       break;
                                }
-                               break;
                        }
                }
        }
@@ -811,12 +896,12 @@ void SV_CheckStuck (prvm_edict_t *ent)
        VectorCopy (ent->fields.server->oldorigin, ent->fields.server->origin);
        if (!SV_TestEntityPosition(ent))
        {
-               Con_DPrint("Unstuck.\n");
+               Con_DPrintf("Unstuck player entity %i (classname \"%s\") by restoring oldorigin.\n", (int)PRVM_EDICT_TO_PROG(ent), PRVM_GetString(ent->fields.server->classname));
                SV_LinkEdict (ent, true);
                return;
        }
 
-       for (z=0 ; z< 18 ; z++)
+       for (z=-1 ; z< 18 ; z++)
                for (i=-1 ; i <= 1 ; i++)
                        for (j=-1 ; j <= 1 ; j++)
                        {
@@ -825,14 +910,44 @@ void SV_CheckStuck (prvm_edict_t *ent)
                                ent->fields.server->origin[2] = org[2] + z;
                                if (!SV_TestEntityPosition(ent))
                                {
-                                       Con_DPrint("Unstuck.\n");
+                                       Con_DPrintf("Unstuck player entity %i (classname \"%s\") with offset %f %f %f.\n", (int)PRVM_EDICT_TO_PROG(ent), PRVM_GetString(ent->fields.server->classname), (float)i, (float)j, (float)z);
                                        SV_LinkEdict (ent, true);
                                        return;
                                }
                        }
 
        VectorCopy (org, ent->fields.server->origin);
-       Con_DPrint("player is stuck.\n");
+       Con_DPrintf("Stuck player entity %i (classname \"%s\").\n", (int)PRVM_EDICT_TO_PROG(ent), PRVM_GetString(ent->fields.server->classname));
+}
+
+static void SV_UnstickEntity (prvm_edict_t *ent)
+{
+       int i, j, z;
+       vec3_t org;
+
+       // if not stuck in a bmodel, just return
+       if (!SV_TestEntityPosition(ent))
+               return;
+
+       VectorCopy (ent->fields.server->origin, org);
+
+       for (z=-1 ; z< 18 ; z += 6)
+               for (i=-1 ; i <= 1 ; i++)
+                       for (j=-1 ; j <= 1 ; j++)
+                       {
+                               ent->fields.server->origin[0] = org[0] + i;
+                               ent->fields.server->origin[1] = org[1] + j;
+                               ent->fields.server->origin[2] = org[2] + z;
+                               if (!SV_TestEntityPosition(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), (float)i, (float)j, (float)z);
+                                       SV_LinkEdict (ent, true);
+                                       return;
+                               }
+                       }
+
+       VectorCopy (org, ent->fields.server->origin);
+       Con_DPrintf("Stuck entity %i (classname \"%s\").\n", (int)PRVM_EDICT_TO_PROG(ent), PRVM_GetString(ent->fields.server->classname));
 }
 
 
@@ -1064,6 +1179,9 @@ void SV_WalkMove (prvm_edict_t *ent)
 
        if (downtrace.fraction < 1 && downtrace.plane.normal[2] > 0.7)
        {
+               // this has been disabled so that you can't jump when you are stepping
+               // up while already jumping (also known as the Quake2 stair jump bug)
+#if 0
                // LordHavoc: disabled this check so you can walk on monsters/players
                //if (ent->fields.server->solid == SOLID_BSP)
                {
@@ -1071,6 +1189,7 @@ void SV_WalkMove (prvm_edict_t *ent)
                        ent->fields.server->flags =     (int)ent->fields.server->flags | FL_ONGROUND;
                        ent->fields.server->groundentity = PRVM_EDICT_TO_PROG(downtrace.ent);
                }
+#endif
        }
        else
        {
@@ -1151,7 +1270,7 @@ SV_CheckWaterTransition
 void SV_CheckWaterTransition (prvm_edict_t *ent)
 {
        int cont;
-       cont = SV_PointQ1Contents(ent->fields.server->origin);
+       cont = Mod_Q1BSP_NativeContentsFromSuperContents(NULL, SV_PointSuperContents(ent->fields.server->origin));
        if (!ent->fields.server->watertype)
        {
                // just spawned here
@@ -1161,8 +1280,8 @@ void SV_CheckWaterTransition (prvm_edict_t *ent)
        }
 
        // check if the entity crossed into or out of water
-       if (gamemode != GAME_NEXUIZ && ((ent->fields.server->watertype == CONTENTS_WATER || ent->fields.server->watertype == CONTENTS_SLIME) != (cont == CONTENTS_WATER || cont == CONTENTS_SLIME)))
-               SV_StartSound (ent, 0, "misc/h2ohit1.wav", 255, 1);
+       if (sv_sound_watersplash.string && ((ent->fields.server->watertype == CONTENTS_WATER || ent->fields.server->watertype == CONTENTS_SLIME) != (cont == CONTENTS_WATER || cont == CONTENTS_SLIME)))
+               SV_StartSound (ent, 0, sv_sound_watersplash.string, 255, 1);
 
        if (cont <= CONTENTS_WATER)
        {
@@ -1188,22 +1307,25 @@ void SV_Physics_Toss (prvm_edict_t *ent)
        trace_t trace;
        vec3_t move;
 
-       // don't stick to ground if onground and moving upward
-       if (ent->fields.server->velocity[2] >= (1.0 / 32.0) && ((int)ent->fields.server->flags & FL_ONGROUND))
-               ent->fields.server->flags = (int)ent->fields.server->flags & ~FL_ONGROUND;
-
 // if onground, return without moving
        if ((int)ent->fields.server->flags & FL_ONGROUND)
        {
-               if (ent->fields.server->groundentity == 0 || sv_gameplayfix_noairborncorpse.integer)
-                       return;
-               // if ent was supported by a brush model on previous frame,
-               // and groundentity is now freed, set groundentity to 0 (floating)
-               if (ent->priv.server->suspendedinairflag && PRVM_PROG_TO_EDICT(ent->fields.server->groundentity)->priv.server->free)
+               // don't stick to ground if onground and moving upward
+               if (ent->fields.server->velocity[2] >= (1.0 / 32.0))
+                       ent->fields.server->flags -= FL_ONGROUND;
+               else
                {
-                       // leave it suspended in the air
-                       ent->fields.server->groundentity = 0;
-                       return;
+                       prvm_edict_t *ground = PRVM_PROG_TO_EDICT(ent->fields.server->groundentity);
+                       if (ground->fields.server->solid == SOLID_BSP || !sv_gameplayfix_noairborncorpse.integer)
+                               return;
+                       // if ent was supported by a brush model on previous frame,
+                       // and groundentity is now freed, set groundentity to 0 (floating)
+                       if (ent->priv.server->suspendedinairflag && ground->priv.server->free)
+                       {
+                               // leave it suspended in the air
+                               ent->fields.server->groundentity = 0;
+                               return;
+                       }
                }
        }
        ent->priv.server->suspendedinairflag = false;
@@ -1222,6 +1344,14 @@ void SV_Physics_Toss (prvm_edict_t *ent)
        trace = SV_PushEntity (ent, move);
        if (ent->priv.server->free)
                return;
+       if (trace.bmodelstartsolid)
+       {
+               // try to unstick the entity
+               SV_UnstickEntity(ent);
+               trace = SV_PushEntity (ent, move);
+               if (ent->priv.server->free)
+                       return;
+       }
 
        if (trace.fraction < 1)
        {
@@ -1303,23 +1433,38 @@ will fall if the floor is pulled out from under them.
 */
 void SV_Physics_Step (prvm_edict_t *ent)
 {
-       // don't stick to ground if onground and moving upward
-       if (ent->fields.server->velocity[2] >= (1.0 / 32.0) && ((int)ent->fields.server->flags & FL_ONGROUND))
-               ent->fields.server->flags = (int)ent->fields.server->flags & ~FL_ONGROUND;
-
-       // freefall if not onground/fly/swim
-       if (!((int)ent->fields.server->flags & (FL_ONGROUND | FL_FLY | FL_SWIM)))
+       int flags = (int)ent->fields.server->flags;
+       // don't fall at all if fly/swim
+       if (!(flags & (FL_FLY | FL_SWIM)))
        {
-               int hitsound = ent->fields.server->velocity[2] < sv_gravity.value * -0.1;
+               if (flags & FL_ONGROUND)
+               {
+                       // freefall if onground and moving upward
+                       // freefall if not standing on a world surface (it may be a lift)
+                       prvm_edict_t *ground = PRVM_PROG_TO_EDICT(ent->fields.server->groundentity);
+                       if (ent->fields.server->velocity[2] >= (1.0 / 32.0) || (ground->fields.server->solid != SOLID_BSP && sv_gameplayfix_noairborncorpse.integer))
+                       {
+                               ent->fields.server->flags -= FL_ONGROUND;
+                               SV_AddGravity(ent);
+                               SV_CheckVelocity(ent);
+                               SV_FlyMove(ent, sv.frametime, NULL);
+                               SV_LinkEdict(ent, true);
+                       }
+               }
+               else
+               {
+                       // freefall if not onground
+                       int hitsound = ent->fields.server->velocity[2] < sv_gravity.value * -0.1;
 
-               SV_AddGravity(ent);
-               SV_CheckVelocity(ent);
-               SV_FlyMove(ent, sv.frametime, NULL);
-               SV_LinkEdict(ent, true);
+                       SV_AddGravity(ent);
+                       SV_CheckVelocity(ent);
+                       SV_FlyMove(ent, sv.frametime, NULL);
+                       SV_LinkEdict(ent, true);
 
-               // just hit ground
-               if (hitsound && (int)ent->fields.server->flags & FL_ONGROUND && gamemode != GAME_NEXUIZ)
-                       SV_StartSound(ent, 0, "demon/dland2.wav", 255, 1);
+                       // just hit ground
+                       if (hitsound && (int)ent->fields.server->flags & FL_ONGROUND && sv_sound_land.string)
+                               SV_StartSound(ent, 0, sv_sound_land.string, 255, 1);
+               }
        }
 
 // regular thinking
@@ -1330,38 +1475,92 @@ void SV_Physics_Step (prvm_edict_t *ent)
 
 //============================================================================
 
-void SV_Physics_Entity (prvm_edict_t *ent, qboolean runmove)
+static void SV_Physics_Entity (prvm_edict_t *ent)
 {
-       int i = ent - prog->edicts;
-       if (i >= 1 && i <= svs.maxclients)
+       // don't run a move on newly spawned projectiles as it messes up movement
+       // interpolation and rocket trails
+       qboolean runmove = ent->priv.server->move;
+       ent->priv.server->move = true;
+       switch ((int) ent->fields.server->movetype)
        {
-               // make sure the velocity is sane (not a NaN)
-               SV_CheckVelocity(ent);
-               // LordHavoc: QuakeC replacement for SV_ClientThink (player movement)
-               if (SV_PlayerPhysicsQC && sv_playerphysicsqc.integer)
+       case MOVETYPE_PUSH:
+       case MOVETYPE_FAKEPUSH:
+               SV_Physics_Pusher (ent);
+               break;
+       case MOVETYPE_NONE:
+               // LordHavoc: manually inlined the thinktime check here because MOVETYPE_NONE is used on so many objects
+               if (ent->fields.server->nextthink > 0 && ent->fields.server->nextthink <= sv.time + sv.frametime)
+                       SV_RunThink (ent);
+               break;
+       case MOVETYPE_FOLLOW:
+               SV_Physics_Follow (ent);
+               break;
+       case MOVETYPE_NOCLIP:
+               if (SV_RunThink(ent))
                {
-                       prog->globals.server->time = sv.time;
-                       prog->globals.server->self = PRVM_EDICT_TO_PROG(ent);
-                       PRVM_ExecuteProgram ((func_t)(SV_PlayerPhysicsQC - prog->functions), "QC function SV_PlayerPhysics is missing");
+                       SV_CheckWater(ent);
+                       VectorMA(ent->fields.server->origin, sv.frametime, ent->fields.server->velocity, ent->fields.server->origin);
+                       VectorMA(ent->fields.server->angles, sv.frametime, ent->fields.server->avelocity, ent->fields.server->angles);
                }
-               else
-                       SV_ClientThink ();
-               // make sure the velocity is sane (not a NaN)
-               SV_CheckVelocity(ent);
-               // 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(ent->fields.server->velocity, ent->fields.server->velocity) < 0.0001)
-                       VectorClear(ent->fields.server->velocity);
-               // call standard client pre-think
+               SV_LinkEdict(ent, false);
+               break;
+       case MOVETYPE_STEP:
+               SV_Physics_Step (ent);
+               break;
+       case MOVETYPE_WALK:
+               if (SV_RunThink (ent))
+               {
+                       if (!SV_CheckWater (ent) && ! ((int)ent->fields.server->flags & FL_WATERJUMP) )
+                               SV_AddGravity (ent);
+                       SV_CheckStuck (ent);
+                       SV_WalkMove (ent);
+                       SV_LinkEdict (ent, true);
+               }
+               break;
+       case MOVETYPE_TOSS:
+       case MOVETYPE_BOUNCE:
+       case MOVETYPE_BOUNCEMISSILE:
+       case MOVETYPE_FLYMISSILE:
+       case MOVETYPE_FLY:
+               // regular thinking
+               if (SV_RunThink (ent) && runmove)
+                       SV_Physics_Toss (ent);
+               break;
+       default:
+               Con_Printf ("SV_Physics: bad movetype %i\n", (int)ent->fields.server->movetype);
+               break;
+       }
+}
+
+void SV_ApplyClientMove (void);
+void SV_Physics_ClientEntity (prvm_edict_t *ent)
+{
+       SV_ApplyClientMove();
+       // make sure the velocity is sane (not a NaN)
+       SV_CheckVelocity(ent);
+       // LordHavoc: QuakeC replacement for SV_ClientThink (player movement)
+       if (SV_PlayerPhysicsQC && sv_playerphysicsqc.integer)
+       {
                prog->globals.server->time = sv.time;
                prog->globals.server->self = PRVM_EDICT_TO_PROG(ent);
-               PRVM_ExecuteProgram (prog->globals.server->PlayerPreThink, "QC function PlayerPreThink is missing");
-               SV_CheckVelocity (ent);
+               PRVM_ExecuteProgram ((func_t)(SV_PlayerPhysicsQC - prog->functions), "QC function SV_PlayerPhysics is missing");
        }
+       else
+               SV_ClientThink ();
+       // make sure the velocity is sane (not a NaN)
+       SV_CheckVelocity(ent);
+       // 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(ent->fields.server->velocity, ent->fields.server->velocity) < 0.0001)
+               VectorClear(ent->fields.server->velocity);
+       // call standard client pre-think
+       prog->globals.server->time = sv.time;
+       prog->globals.server->self = PRVM_EDICT_TO_PROG(ent);
+       PRVM_ExecuteProgram (prog->globals.server->PlayerPreThink, "QC function PlayerPreThink is missing");
+       SV_CheckVelocity (ent);
 
-       // LordHavoc: merged client and normal entity physics
        switch ((int) ent->fields.server->movetype)
        {
        case MOVETYPE_PUSH:
@@ -1383,9 +1582,6 @@ void SV_Physics_Entity (prvm_edict_t *ent, qboolean runmove)
                        VectorMA(ent->fields.server->origin, sv.frametime, ent->fields.server->velocity, ent->fields.server->origin);
                        VectorMA(ent->fields.server->angles, sv.frametime, ent->fields.server->avelocity, ent->fields.server->angles);
                }
-               // relink normal entities here, players always get relinked so don't relink twice
-               if (!(i > 0 && i <= svs.maxclients))
-                       SV_LinkEdict(ent, false);
                break;
        case MOVETYPE_STEP:
                SV_Physics_Step (ent);
@@ -1397,9 +1593,6 @@ void SV_Physics_Entity (prvm_edict_t *ent, qboolean runmove)
                                SV_AddGravity (ent);
                        SV_CheckStuck (ent);
                        SV_WalkMove (ent);
-                       // relink normal entities here, players always get relinked so don't relink twice
-                       if (!(i > 0 && i <= svs.maxclients))
-                               SV_LinkEdict (ent, true);
                }
                break;
        case MOVETYPE_TOSS:
@@ -1407,42 +1600,33 @@ void SV_Physics_Entity (prvm_edict_t *ent, qboolean runmove)
        case MOVETYPE_BOUNCEMISSILE:
        case MOVETYPE_FLYMISSILE:
                // regular thinking
-               if (SV_RunThink (ent) && runmove)
+               if (SV_RunThink (ent))
                        SV_Physics_Toss (ent);
                break;
        case MOVETYPE_FLY:
-               if (SV_RunThink (ent) && runmove)
+               if (SV_RunThink (ent))
                {
-                       if (i > 0 && i <= svs.maxclients)
-                       {
-                               SV_CheckWater (ent);
-                               SV_WalkMove (ent);
-                       }
-                       else
-                               SV_Physics_Toss (ent);
+                       SV_CheckWater (ent);
+                       SV_WalkMove (ent);
                }
                break;
        default:
-               Con_Printf ("SV_Physics: bad movetype %i", (int)ent->fields.server->movetype);
+               Con_Printf ("SV_Physics_ClientEntity: bad movetype %i\n", (int)ent->fields.server->movetype);
                break;
        }
 
-       if (i >= 1 && i <= svs.maxclients)
-       {
-               SV_CheckVelocity (ent);
+       SV_CheckVelocity (ent);
 
-               // call standard player post-think
-               SV_LinkEdict (ent, true);
+       // call standard player post-think
+       SV_LinkEdict (ent, true);
 
-               SV_CheckVelocity (ent);
+       SV_CheckVelocity (ent);
 
-               prog->globals.server->time = sv.time;
-               prog->globals.server->self = PRVM_EDICT_TO_PROG(ent);
-               PRVM_ExecuteProgram (prog->globals.server->PlayerPostThink, "QC function PlayerPostThink is missing");
-       }
+       prog->globals.server->time = sv.time;
+       prog->globals.server->self = PRVM_EDICT_TO_PROG(ent);
+       PRVM_ExecuteProgram (prog->globals.server->PlayerPostThink, "QC function PlayerPostThink is missing");
 }
 
-
 /*
 ================
 SV_Physics
@@ -1451,9 +1635,8 @@ SV_Physics
 */
 void SV_Physics (void)
 {
-       int i, newnum_edicts;
+       int i;
        prvm_edict_t *ent;
-       qbyte runmove[MAX_EDICTS];
 
 // let the progs know that a new frame has started
        prog->globals.server->self = PRVM_EDICT_TO_PROG(prog->edicts);
@@ -1462,43 +1645,36 @@ void SV_Physics (void)
        prog->globals.server->frametime = sv.frametime;
        PRVM_ExecuteProgram (prog->globals.server->StartFrame, "QC function StartFrame is missing");
 
-       newnum_edicts = 0;
-       for (i = 0, ent = prog->edicts;i < prog->num_edicts;i++, ent = PRVM_NEXT_EDICT(ent))
-               if ((runmove[i] = !ent->priv.server->free))
-                       newnum_edicts = i + 1;
-       prog->num_edicts = max(svs.maxclients + 1, newnum_edicts);
-
 //
 // treat each object in turn
 //
 
-       for (i = 0, ent = prog->edicts;i < prog->num_edicts;i++, ent = PRVM_NEXT_EDICT(ent))
-       {
-               if (ent->priv.server->free)
-                       continue;
-
-               if (prog->globals.server->force_retouch)
-                       SV_LinkEdict (ent, true);       // force retouch even for stationary
+       // if force_retouch, relink all the entities
+       if (prog->globals.server->force_retouch > 0)
+               for (i = 1, ent = PRVM_EDICT_NUM(i);i < prog->num_edicts;i++, ent = PRVM_NEXT_EDICT(ent))
+                       if (!ent->priv.server->free)
+                               SV_LinkEdict (ent, true);       // force retouch even for stationary
 
-               if (i >= 1 && i <= svs.maxclients)
+       // run physics on the client entities
+       for (i = 1, ent = PRVM_EDICT_NUM(i), host_client = svs.clients;i <= svs.maxclients;i++, ent = PRVM_NEXT_EDICT(ent), host_client++)
+       {
+               if (!ent->priv.server->free)
                {
-                       host_client = svs.clients + i - 1;
                        // don't do physics on disconnected clients, FrikBot relies on this
                        if (!host_client->spawned)
-                       {
                                memset(&host_client->cmd, 0, sizeof(host_client->cmd));
-                               continue;
-                       }
-                       // connected slot
-                       if (host_client->movesequence)
-                               continue; // return if running asynchronously
+                       // don't run physics here if running asynchronously
+                       else if (!host_client->movesequence)
+                               SV_Physics_ClientEntity(ent);
                }
-               else if (sv_freezenonclients.integer)
-                       continue;
-
-               SV_Physics_Entity(ent, runmove[i]);
        }
 
+       // run physics on all the non-client entities
+       if (!sv_freezenonclients.integer)
+               for (;i < prog->num_edicts;i++, ent = PRVM_NEXT_EDICT(ent))
+                       if (!ent->priv.server->free)
+                               SV_Physics_Entity(ent);
+
        if (prog->globals.server->force_retouch > 0)
                prog->globals.server->force_retouch = max(0, prog->globals.server->force_retouch - 1);
 
@@ -1511,6 +1687,9 @@ void SV_Physics (void)
                PRVM_ExecuteProgram ((func_t)(EndFrameQC - prog->functions), "QC function EndFrame is missing");
        }
 
+       // decrement prog->num_edicts if the highest number entities died
+       for (;PRVM_EDICT_NUM(prog->num_edicts - 1)->priv.server->free;prog->num_edicts--);
+
        if (!sv_freezenonclients.integer)
                sv.time += sv.frametime;
 }
@@ -1519,23 +1698,20 @@ void SV_Physics (void)
 trace_t SV_Trace_Toss (prvm_edict_t *tossent, prvm_edict_t *ignore)
 {
        int i;
-       float gravity, savesolid;
+       float gravity;
        vec3_t move, end;
-       prvm_edict_t tempent, *tent;
-       entvars_t vars;
+       vec3_t original_origin;
+       vec3_t original_velocity;
+       vec3_t original_angles;
+       vec3_t original_avelocity;
        prvm_eval_t *val;
        trace_t trace;
 
-       // copy the vars over
-       memcpy(&vars, tossent->fields.server, sizeof(entvars_t));
-       // set up the temp entity to point to the copied vars
-       tent = &tempent;
-       tent->fields.server = &vars;
+       VectorCopy(tossent->fields.server->origin   , original_origin   );
+       VectorCopy(tossent->fields.server->velocity , original_velocity );
+       VectorCopy(tossent->fields.server->angles   , original_angles   );
+       VectorCopy(tossent->fields.server->avelocity, original_avelocity);
 
-       savesolid = tossent->fields.server->solid;
-       tossent->fields.server->solid = SOLID_NOT;
-
-       // this has to fetch the field from the original edict, since our copy is truncated
        val = PRVM_GETEDICTFIELDVALUE(tossent, eval_gravity);
        if (val != NULL && val->_float != 0)
                gravity = val->_float;
@@ -1545,19 +1721,23 @@ trace_t SV_Trace_Toss (prvm_edict_t *tossent, prvm_edict_t *ignore)
 
        for (i = 0;i < 200;i++) // LordHavoc: sanity check; never trace more than 10 seconds
        {
-               SV_CheckVelocity (tent);
-               tent->fields.server->velocity[2] -= gravity;
-               VectorMA (tent->fields.server->angles, 0.05, tent->fields.server->avelocity, tent->fields.server->angles);
-               VectorScale (tent->fields.server->velocity, 0.05, move);
-               VectorAdd (tent->fields.server->origin, move, end);
-               trace = SV_Move (tent->fields.server->origin, tent->fields.server->mins, tent->fields.server->maxs, end, MOVE_NORMAL, tent);
-               VectorCopy (trace.endpos, tent->fields.server->origin);
-
-               if (trace.fraction < 1 && trace.ent && trace.ent != ignore)
+               SV_CheckVelocity (tossent);
+               tossent->fields.server->velocity[2] -= gravity;
+               VectorMA (tossent->fields.server->angles, 0.05, tossent->fields.server->avelocity, tossent->fields.server->angles);
+               VectorScale (tossent->fields.server->velocity, 0.05, move);
+               VectorAdd (tossent->fields.server->origin, move, end);
+               trace = SV_Move (tossent->fields.server->origin, tossent->fields.server->mins, tossent->fields.server->maxs, end, MOVE_NORMAL, tossent);
+               VectorCopy (trace.endpos, tossent->fields.server->origin);
+
+               if (trace.fraction < 1)
                        break;
        }
-       tossent->fields.server->solid = savesolid;
-       trace.fraction = 0; // not relevant
+
+       VectorCopy(original_origin   , tossent->fields.server->origin   );
+       VectorCopy(original_velocity , tossent->fields.server->velocity );
+       VectorCopy(original_angles   , tossent->fields.server->angles   );
+       VectorCopy(original_avelocity, tossent->fields.server->avelocity);
+
        return trace;
 }