]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - world.c
cs_*project: as both 2D and 3D rendering are confined to the viewport, it SHOULD...
[xonotic/darkplaces.git] / world.c
diff --git a/world.c b/world.c
index 42d7d79181f670f4107077cafadb5a9b70ba16b2..f705982ea63237f82e0bf9148dc5193977520601 100644 (file)
--- a/world.c
+++ b/world.c
@@ -113,16 +113,16 @@ void World_SetSize(world_t *world, const char *filename, const vec3_t mins, cons
        if (world->areagrid_marknumber < 1)
                world->areagrid_marknumber = 1;
        // choose either the world box size, or a larger box to ensure the grid isn't too fine
-       world->areagrid_size[0] = max(world->areagrid_maxs[0] - world->areagrid_mins[0], AREA_GRID * sv_areagrid_mingridsize.value);
-       world->areagrid_size[1] = max(world->areagrid_maxs[1] - world->areagrid_mins[1], AREA_GRID * sv_areagrid_mingridsize.value);
-       world->areagrid_size[2] = max(world->areagrid_maxs[2] - world->areagrid_mins[2], AREA_GRID * sv_areagrid_mingridsize.value);
+       world->areagrid_size[0] = max(world->maxs[0] - world->mins[0], AREA_GRID * sv_areagrid_mingridsize.value);
+       world->areagrid_size[1] = max(world->maxs[1] - world->mins[1], AREA_GRID * sv_areagrid_mingridsize.value);
+       world->areagrid_size[2] = max(world->maxs[2] - world->mins[2], AREA_GRID * sv_areagrid_mingridsize.value);
        // figure out the corners of such a box, centered at the center of the world box
-       world->areagrid_mins[0] = (world->areagrid_mins[0] + world->areagrid_maxs[0] - world->areagrid_size[0]) * 0.5f;
-       world->areagrid_mins[1] = (world->areagrid_mins[1] + world->areagrid_maxs[1] - world->areagrid_size[1]) * 0.5f;
-       world->areagrid_mins[2] = (world->areagrid_mins[2] + world->areagrid_maxs[2] - world->areagrid_size[2]) * 0.5f;
-       world->areagrid_maxs[0] = (world->areagrid_mins[0] + world->areagrid_maxs[0] + world->areagrid_size[0]) * 0.5f;
-       world->areagrid_maxs[1] = (world->areagrid_mins[1] + world->areagrid_maxs[1] + world->areagrid_size[1]) * 0.5f;
-       world->areagrid_maxs[2] = (world->areagrid_mins[2] + world->areagrid_maxs[2] + world->areagrid_size[2]) * 0.5f;
+       world->areagrid_mins[0] = (world->mins[0] + world->maxs[0] - world->areagrid_size[0]) * 0.5f;
+       world->areagrid_mins[1] = (world->mins[1] + world->maxs[1] - world->areagrid_size[1]) * 0.5f;
+       world->areagrid_mins[2] = (world->mins[2] + world->maxs[2] - world->areagrid_size[2]) * 0.5f;
+       world->areagrid_maxs[0] = (world->mins[0] + world->maxs[0] + world->areagrid_size[0]) * 0.5f;
+       world->areagrid_maxs[1] = (world->mins[1] + world->maxs[1] + world->areagrid_size[1]) * 0.5f;
+       world->areagrid_maxs[2] = (world->mins[2] + world->maxs[2] + world->areagrid_size[2]) * 0.5f;
        // now calculate the actual useful info from that
        VectorNegate(world->areagrid_mins, world->areagrid_bias);
        world->areagrid_scale[0] = AREA_GRID / world->areagrid_size[0];
@@ -131,8 +131,8 @@ void World_SetSize(world_t *world, const char *filename, const vec3_t mins, cons
        World_ClearLink(&world->areagrid_outside);
        for (i = 0;i < AREA_GRIDNODES;i++)
                World_ClearLink(&world->areagrid[i]);
-       if (developer.integer >= 10)
-               Con_Printf("areagrid settings: divisions %ix%ix1 : box %f %f %f : %f %f %f size %f %f %f grid %f %f %f (mingrid %f)\n", AREA_GRID, AREA_GRID, world->areagrid_mins[0], world->areagrid_mins[1], world->areagrid_mins[2], world->areagrid_maxs[0], world->areagrid_maxs[1], world->areagrid_maxs[2], world->areagrid_size[0], world->areagrid_size[1], world->areagrid_size[2], 1.0f / world->areagrid_scale[0], 1.0f / world->areagrid_scale[1], 1.0f / world->areagrid_scale[2], sv_areagrid_mingridsize.value);
+       if (developer_extra.integer)
+               Con_DPrintf("areagrid settings: divisions %ix%ix1 : box %f %f %f : %f %f %f size %f %f %f grid %f %f %f (mingrid %f)\n", AREA_GRID, AREA_GRID, world->areagrid_mins[0], world->areagrid_mins[1], world->areagrid_mins[2], world->areagrid_maxs[0], world->areagrid_maxs[1], world->areagrid_maxs[2], world->areagrid_size[0], world->areagrid_size[1], world->areagrid_size[2], 1.0f / world->areagrid_scale[0], 1.0f / world->areagrid_scale[1], 1.0f / world->areagrid_scale[2], sv_areagrid_mingridsize.value);
 }
 
 /*
@@ -314,9 +314,9 @@ void World_LinkEdict(world_t *world, prvm_edict_t *ent, const vec3_t mins, const
 // physics engine support
 //============================================================================
 
-#ifndef ODE_STATIC
-#define ODE_DYNAMIC 1
-#endif
+//#ifndef ODE_STATIC
+//#define ODE_DYNAMIC 1
+//#endif
 
 #if defined(ODE_STATIC) || defined(ODE_DYNAMIC)
 #define USEODE 1
@@ -371,6 +371,8 @@ struct dxJointNode;
 struct dxJointGroup;
 struct dxTriMeshData;
 
+#define dInfinity 3.402823466e+38f
+
 typedef struct dxWorld *dWorldID;
 typedef struct dxSpace *dSpaceID;
 typedef struct dxBody *dBodyID;
@@ -524,7 +526,7 @@ typedef void dNearCallback (void *data, dGeomID o1, dGeomID o2);
 #define dSAP_AXES_ZYX  ((2)|(1<<2)|(0<<4))
 
 //const char*     (ODE_API *dGetConfiguration)(void);
-//int             (ODE_API *dCheckConfiguration)( const char* token );
+int             (ODE_API *dCheckConfiguration)( const char* token );
 int             (ODE_API *dInitODE)(void);
 //int             (ODE_API *dInitODE2)(unsigned int uiInitFlags);
 //int             (ODE_API *dAllocateODEDataForThread)(unsigned int uiAllocateFlags);
@@ -689,7 +691,7 @@ dJointID        (ODE_API *dJointCreateUniversal)(dWorldID, dJointGroupID);
 //dJointID        (ODE_API *dJointCreatePR)(dWorldID, dJointGroupID);
 //dJointID        (ODE_API *dJointCreatePU)(dWorldID, dJointGroupID);
 //dJointID        (ODE_API *dJointCreatePiston)(dWorldID, dJointGroupID);
-//dJointID        (ODE_API *dJointCreateFixed)(dWorldID, dJointGroupID);
+dJointID        (ODE_API *dJointCreateFixed)(dWorldID, dJointGroupID);
 //dJointID        (ODE_API *dJointCreateNull)(dWorldID, dJointGroupID);
 //dJointID        (ODE_API *dJointCreateAMotor)(dWorldID, dJointGroupID);
 //dJointID        (ODE_API *dJointCreateLMotor)(dWorldID, dJointGroupID);
@@ -863,11 +865,11 @@ void            (ODE_API *dSpaceDestroy)(dSpaceID);
 //int             (ODE_API *dSpaceGetClass)(dSpaceID space);
 //
 void            (ODE_API *dGeomDestroy)(dGeomID geom);
-//void            (ODE_API *dGeomSetData)(dGeomID geom, void* data);
-//void *          (ODE_API *dGeomGetData)(dGeomID geom);
+void            (ODE_API *dGeomSetData)(dGeomID geom, void* data);
+void *          (ODE_API *dGeomGetData)(dGeomID geom);
 void            (ODE_API *dGeomSetBody)(dGeomID geom, dBodyID body);
 dBodyID         (ODE_API *dGeomGetBody)(dGeomID geom);
-//void            (ODE_API *dGeomSetPosition)(dGeomID geom, dReal x, dReal y, dReal z);
+void            (ODE_API *dGeomSetPosition)(dGeomID geom, dReal x, dReal y, dReal z);
 void            (ODE_API *dGeomSetRotation)(dGeomID geom, const dMatrix3 R);
 //void            (ODE_API *dGeomSetQuaternion)(dGeomID geom, const dQuaternion Q);
 //const dReal *   (ODE_API *dGeomGetPosition)(dGeomID geom);
@@ -990,7 +992,7 @@ dGeomID         (ODE_API *dCreateTriMesh)(dSpaceID space, dTriMeshDataID Data, d
 static dllfunction_t odefuncs[] =
 {
 //     {"dGetConfiguration",                                                   (void **) &dGetConfiguration},
-//     {"dCheckConfiguration",                                                 (void **) &dCheckConfiguration},
+       {"dCheckConfiguration",                                                 (void **) &dCheckConfiguration},
        {"dInitODE",                                                                    (void **) &dInitODE},
 //     {"dInitODE2",                                                                   (void **) &dInitODE2},
 //     {"dAllocateODEDataForThread",                                   (void **) &dAllocateODEDataForThread},
@@ -1154,7 +1156,7 @@ static dllfunction_t odefuncs[] =
 //     {"dJointCreatePR",                                                              (void **) &dJointCreatePR},
 //     {"dJointCreatePU",                                                              (void **) &dJointCreatePU},
 //     {"dJointCreatePiston",                                                  (void **) &dJointCreatePiston},
-//     {"dJointCreateFixed",                                                   (void **) &dJointCreateFixed},
+       {"dJointCreateFixed",                                                   (void **) &dJointCreateFixed},
 //     {"dJointCreateNull",                                                    (void **) &dJointCreateNull},
 //     {"dJointCreateAMotor",                                                  (void **) &dJointCreateAMotor},
 //     {"dJointCreateLMotor",                                                  (void **) &dJointCreateLMotor},
@@ -1326,11 +1328,11 @@ static dllfunction_t odefuncs[] =
 //     {"dSpaceGetGeom",                                                               (void **) &dSpaceGetGeom},
 //     {"dSpaceGetClass",                                                              (void **) &dSpaceGetClass},
        {"dGeomDestroy",                                                                (void **) &dGeomDestroy},
-//     {"dGeomSetData",                                                                (void **) &dGeomSetData},
-//     {"dGeomGetData",                                                                (void **) &dGeomGetData},
+       {"dGeomSetData",                                                                (void **) &dGeomSetData},
+       {"dGeomGetData",                                                                (void **) &dGeomGetData},
        {"dGeomSetBody",                                                                (void **) &dGeomSetBody},
        {"dGeomGetBody",                                                                (void **) &dGeomGetBody},
-//     {"dGeomSetPosition",                                                    (void **) &dGeomSetPosition},
+       {"dGeomSetPosition",                                                    (void **) &dGeomSetPosition},
        {"dGeomSetRotation",                                                    (void **) &dGeomSetRotation},
 //     {"dGeomSetQuaternion",                                                  (void **) &dGeomSetQuaternion},
 //     {"dGeomGetPosition",                                                    (void **) &dGeomGetPosition},
@@ -1447,9 +1449,7 @@ static void World_Physics_Init(void)
 #ifdef ODE_DYNAMIC
        const char* dllnames [] =
        {
-# if defined(WIN64)
-               "libode1_64.dll",
-# elif defined(WIN32)
+# if defined(WIN32)
                "libode1.dll",
 # elif defined(MACOSX)
                "libode.1.dylib",
@@ -1482,7 +1482,7 @@ static void World_Physics_Init(void)
        {
                dInitODE();
 //             dInitODE2(0);
-#ifdef ODE_DNYAMIC
+#ifdef ODE_DYNAMIC
 # ifdef dSINGLE
                if (!dCheckConfiguration("ODE_single_precision"))
 # else
@@ -1576,7 +1576,6 @@ void World_Physics_RemoveJointFromEntity(world_t *world, prvm_edict_t *ed)
 void World_Physics_RemoveFromEntity(world_t *world, prvm_edict_t *ed)
 {
        // entity is not physics controlled, free any physics data
-       prvm_edict_t *ed2;
        ed->priv.server->ode_physics = false;
 #ifdef USEODE
        if (ed->priv.server->ode_geom)
@@ -1586,6 +1585,7 @@ void World_Physics_RemoveFromEntity(world_t *world, prvm_edict_t *ed)
        {
                dJointID j;
                dBodyID b1, b2;
+               prvm_edict_t *ed2;
                while(dBodyGetNumJoints((dBodyID)ed->priv.server->ode_body))
                {
                        j = dBodyGetJoint((dBodyID)ed->priv.server->ode_body, 0);
@@ -1616,6 +1616,9 @@ void World_Physics_RemoveFromEntity(world_t *world, prvm_edict_t *ed)
                Mem_Free(ed->priv.server->ode_element3i);
        ed->priv.server->ode_element3i = NULL;
        ed->priv.server->ode_numtriangles = 0;
+       if(ed->priv.server->ode_massbuf)
+               Mem_Free(ed->priv.server->ode_massbuf);
+       ed->priv.server->ode_massbuf = NULL;
 }
 
 #ifdef USEODE
@@ -1657,6 +1660,8 @@ static void World_Physics_Frame_BodyToEntity(world_t *world, prvm_edict_t *ed)
                                break;
                        case JOINTTYPE_HINGE2:
                                break;
+                       case JOINTTYPE_FIXED:
+                               break;
                }
                return;
        }
@@ -1713,6 +1718,12 @@ static void World_Physics_Frame_BodyToEntity(world_t *world, prvm_edict_t *ed)
        VectorCopy(angles, ed->priv.server->ode_angles);
        VectorCopy(avelocity, ed->priv.server->ode_avelocity);
        ed->priv.server->ode_gravity = dBodyGetGravityMode(body);
+
+       if(!strcmp(prog->name, "server")) // FIXME some better way?
+       {
+               SV_LinkEdict(ed);
+               SV_LinkEdict_TouchAreaGrid(ed);
+       }
 }
 
 static void World_Physics_Frame_JointFromEntity(world_t *world, prvm_edict_t *ed)
@@ -1724,11 +1735,12 @@ static void World_Physics_Frame_JointFromEntity(world_t *world, prvm_edict_t *ed
        int jointtype = 0;
        int enemy = 0, aiment = 0;
        vec3_t origin, velocity, angles, forward, left, up, movedir;
+       vec_t CFM, ERP, FMax, Stop, Vel;
        prvm_eval_t *val;
-       float H = (!strcmp(prog->name, "server") ? sv.frametime : cl.mtime[0] - cl.mtime[1]) / world->physics.ode_iterations;
        VectorClear(origin);
        VectorClear(velocity);
        VectorClear(angles);
+       VectorClear(movedir);
        val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.movetype);if (val) movetype = (int)val->_float;
        val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.jointtype);if (val) jointtype = (int)val->_float;
        val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.enemy);if (val) enemy = val->_int;
@@ -1744,19 +1756,35 @@ static void World_Physics_Frame_JointFromEntity(world_t *world, prvm_edict_t *ed
        if(aiment <= 0 || aiment >= prog->num_edicts || prog->edicts[aiment].priv.required->free || prog->edicts[aiment].priv.server->ode_body == 0)
                aiment = 0;
        // see http://www.ode.org/old_list_archives/2006-January/017614.html
-       if(movedir[0] > 0)
        // we want to set ERP? make it fps independent and work like a spring constant
        // note: if movedir[2] is 0, it becomes ERP = 1, CFM = 1.0 / (H * K)
+       if(movedir[0] > 0 && movedir[1] > 0)
        {
                float K = movedir[0];
-               float D = movedir[2];
+               float D = movedir[1];
                float R = 2.0 * D * sqrt(K); // we assume D is premultiplied by sqrt(sprungMass)
-               float ERP = (H * K) / (H * K + R);
-               float CFM = 1.0 / (H * K + R);
-               movedir[0] = CFM;
-               movedir[2] = ERP;
+               CFM = 1.0 / (world->physics.ode_step * K + R); // always > 0
+               ERP = world->physics.ode_step * K * CFM;
+               Vel = 0;
+               FMax = 0;
+               Stop = movedir[2];
+       }
+       else if(movedir[1] < 0)
+       {
+               CFM = 0;
+               ERP = 0;
+               Vel = movedir[0];
+               FMax = -movedir[1]; // TODO do we need to multiply with world.physics.ode_step?
+               Stop = movedir[2] > 0 ? movedir[2] : dInfinity;
+       }
+       else // movedir[0] > 0, movedir[1] == 0 or movedir[0] < 0, movedir[1] >= 0
+       {
+               CFM = 0;
+               ERP = 0;
+               Vel = 0;
+               FMax = 0;
+               Stop = dInfinity;
        }
-       movedir[1] *= H; // make movedir[1] actually "force per second" to allow this to be used for non-springs
        if(jointtype == ed->priv.server->ode_joint_type && VectorCompare(origin, ed->priv.server->ode_joint_origin) && VectorCompare(velocity, ed->priv.server->ode_joint_velocity) && VectorCompare(angles, ed->priv.server->ode_joint_angles) && enemy == ed->priv.server->ode_joint_enemy && aiment == ed->priv.server->ode_joint_aiment && VectorCompare(movedir, ed->priv.server->ode_joint_movedir))
                return; // nothing to do
        AngleVectorsFLU(angles, forward, left, up);
@@ -1777,12 +1805,21 @@ static void World_Physics_Frame_JointFromEntity(world_t *world, prvm_edict_t *ed
                case JOINTTYPE_HINGE2:
                        j = dJointCreateHinge2(world->physics.ode_world, 0);
                        break;
+               case JOINTTYPE_FIXED:
+                       j = dJointCreateFixed(world->physics.ode_world, 0);
+                       break;
                case 0:
                default:
                        // no joint
                        j = 0;
                        break;
        }
+       if(ed->priv.server->ode_joint)
+       {
+               //Con_Printf("deleted old joint %i\n", (int) (ed - prog->edicts));
+               dJointAttach(ed->priv.server->ode_joint, 0, 0);
+               dJointDestroy(ed->priv.server->ode_joint);
+       }
        ed->priv.server->ode_joint = (void *) j;
        ed->priv.server->ode_joint_type = jointtype;
        ed->priv.server->ode_joint_enemy = enemy;
@@ -1790,31 +1827,17 @@ static void World_Physics_Frame_JointFromEntity(world_t *world, prvm_edict_t *ed
        VectorCopy(origin, ed->priv.server->ode_joint_origin);
        VectorCopy(velocity, ed->priv.server->ode_joint_velocity);
        VectorCopy(angles, ed->priv.server->ode_joint_angles);
+       VectorCopy(movedir, ed->priv.server->ode_joint_movedir);
        if(j)
        {
+               //Con_Printf("made new joint %i\n", (int) (ed - prog->edicts));
                dJointSetData(j, (void *) ed);
                if(enemy)
                        b1 = (dBodyID)prog->edicts[enemy].priv.server->ode_body;
                if(aiment)
                        b2 = (dBodyID)prog->edicts[aiment].priv.server->ode_body;
                dJointAttach(j, b1, b2);
-#define SETPARAMS(t,id) \
-                               if(movedir[0] > 0) \
-                                       dJointSet##t##Param(j, dParamCFM##id, movedir[0]); \
-                               else if(movedir[0] < 0) \
-                                       dJointSet##t##Param(j, dParamCFM##id, 0); \
-                               if(movedir[1] > 0) \
-                               { \
-                                       dJointSet##t##Param(j, dParamLoStop##id, 0); \
-                                       dJointSet##t##Param(j, dParamHiStop##id, 0); \
-                                       dJointSet##t##Param(j, dParamFMax##id, movedir[1]); \
-                               } \
-                               else \
-                                       dJointSet##t##Param(j, dParamFMax##id, -movedir[1]); \
-                               if(movedir[2] > 0) \
-                                       dJointSet##t##Param(j, dParamStopERP##id, movedir[2]); \
-                               else if(movedir[2] < 0) \
-                                       dJointSet##t##Param(j, dParamStopERP##id, 0)
+
                switch(jointtype)
                {
                        case JOINTTYPE_POINT:
@@ -1823,31 +1846,65 @@ static void World_Physics_Frame_JointFromEntity(world_t *world, prvm_edict_t *ed
                        case JOINTTYPE_HINGE:
                                dJointSetHingeAnchor(j, origin[0], origin[1], origin[2]);
                                dJointSetHingeAxis(j, forward[0], forward[1], forward[2]);
-                               SETPARAMS(Hinge,);
+                               dJointSetHingeParam(j, dParamFMax, FMax);
+                               dJointSetHingeParam(j, dParamHiStop, Stop);
+                               dJointSetHingeParam(j, dParamLoStop, -Stop);
+                               dJointSetHingeParam(j, dParamStopCFM, CFM);
+                               dJointSetHingeParam(j, dParamStopERP, ERP);
+                               dJointSetHingeParam(j, dParamVel, Vel);
                                break;
                        case JOINTTYPE_SLIDER:
                                dJointSetSliderAxis(j, forward[0], forward[1], forward[2]);
-                               SETPARAMS(Slider,);
+                               dJointSetSliderParam(j, dParamFMax, FMax);
+                               dJointSetSliderParam(j, dParamHiStop, Stop);
+                               dJointSetSliderParam(j, dParamLoStop, -Stop);
+                               dJointSetSliderParam(j, dParamStopCFM, CFM);
+                               dJointSetSliderParam(j, dParamStopERP, ERP);
+                               dJointSetSliderParam(j, dParamVel, Vel);
                                break;
                        case JOINTTYPE_UNIVERSAL:
                                dJointSetUniversalAnchor(j, origin[0], origin[1], origin[2]);
                                dJointSetUniversalAxis1(j, forward[0], forward[1], forward[2]);
                                dJointSetUniversalAxis2(j, up[0], up[1], up[2]);
-                               SETPARAMS(Universal,);
-                               SETPARAMS(Universal,2);
+                               dJointSetUniversalParam(j, dParamFMax, FMax);
+                               dJointSetUniversalParam(j, dParamHiStop, Stop);
+                               dJointSetUniversalParam(j, dParamLoStop, -Stop);
+                               dJointSetUniversalParam(j, dParamStopCFM, CFM);
+                               dJointSetUniversalParam(j, dParamStopERP, ERP);
+                               dJointSetUniversalParam(j, dParamVel, Vel);
+                               dJointSetUniversalParam(j, dParamFMax2, FMax);
+                               dJointSetUniversalParam(j, dParamHiStop2, Stop);
+                               dJointSetUniversalParam(j, dParamLoStop2, -Stop);
+                               dJointSetUniversalParam(j, dParamStopCFM2, CFM);
+                               dJointSetUniversalParam(j, dParamStopERP2, ERP);
+                               dJointSetUniversalParam(j, dParamVel2, Vel);
                                break;
                        case JOINTTYPE_HINGE2:
                                dJointSetHinge2Anchor(j, origin[0], origin[1], origin[2]);
                                dJointSetHinge2Axis1(j, forward[0], forward[1], forward[2]);
                                dJointSetHinge2Axis2(j, velocity[0], velocity[1], velocity[2]);
-                               SETPARAMS(Hinge2,);
-                               SETPARAMS(Hinge2,2);
+                               dJointSetHinge2Param(j, dParamFMax, FMax);
+                               dJointSetHinge2Param(j, dParamHiStop, Stop);
+                               dJointSetHinge2Param(j, dParamLoStop, -Stop);
+                               dJointSetHinge2Param(j, dParamStopCFM, CFM);
+                               dJointSetHinge2Param(j, dParamStopERP, ERP);
+                               dJointSetHinge2Param(j, dParamVel, Vel);
+                               dJointSetHinge2Param(j, dParamFMax2, FMax);
+                               dJointSetHinge2Param(j, dParamHiStop2, Stop);
+                               dJointSetHinge2Param(j, dParamLoStop2, -Stop);
+                               dJointSetHinge2Param(j, dParamStopCFM2, CFM);
+                               dJointSetHinge2Param(j, dParamStopERP2, ERP);
+                               dJointSetHinge2Param(j, dParamVel2, Vel);
+                               break;
+                       case JOINTTYPE_FIXED:
                                break;
                        case 0:
                        default:
-                               Host_Error("what? but above the joint was valid...\n");
+                               Sys_Error("what? but above the joint was valid...\n");
                                break;
                }
+#undef SETPARAMS
+
        }
 }
 
@@ -1900,30 +1957,26 @@ static void World_Physics_Frame_BodyFromEntity(world_t *world, prvm_edict_t *ed)
 #endif
        val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.solid);if (val) solid = (int)val->_float;
        val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.movetype);if (val) movetype = (int)val->_float;
-       val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.movetype);if (val && val->_float) scale = val->_float;
+       val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.scale);if (val && val->_float) scale = val->_float;
        modelindex = 0;
+       if (world == &sv.world)
+               mempool = sv_mempool;
+       else if (world == &cl.world)
+               mempool = cls.levelmempool;
+       else
+               mempool = NULL;
        switch(solid)
        {
        case SOLID_BSP:
                val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.modelindex);
                if (val)
                        modelindex = (int)val->_float;
-               if (world == &sv.world && modelindex >= 1 && modelindex < MAX_MODELS)
-               {
-                       model = sv.models[modelindex];
-                       mempool = sv_mempool;
-               }
-               else if (world == &cl.world && modelindex >= 1 && modelindex < MAX_MODELS)
-               {
-                       model = cl.model_precache[modelindex];
-                       mempool = cls.levelmempool;
-               }
+               if (world == &sv.world)
+                       model = SV_GetModelByIndex(modelindex);
+               else if (world == &cl.world)
+                       model = CL_GetModelByIndex(modelindex);
                else
-               {
                        model = NULL;
-                       mempool = NULL;
-                       modelindex = 0;
-               }
                if (model)
                {
                        VectorScale(model->normalmins, scale, entmins);
@@ -2032,9 +2085,7 @@ static void World_Physics_Frame_BodyFromEntity(world_t *world, prvm_edict_t *ed)
                        // now create the geom
                        dataID = dGeomTriMeshDataCreate();
                        dGeomTriMeshDataBuildSingle(dataID, (void*)ed->priv.server->ode_vertex3f, sizeof(float[3]), ed->priv.server->ode_numvertices, ed->priv.server->ode_element3i, ed->priv.server->ode_numtriangles*3, sizeof(int[3]));
-                       ed->priv.server->ode_body = (void *)(body = dBodyCreate(world->physics.ode_world));
                        ed->priv.server->ode_geom = (void *)dCreateTriMesh(world->physics.ode_space, dataID, NULL, NULL, NULL);
-                       dGeomSetBody(ed->priv.server->ode_geom, body);
                        dMassSetBoxTotal(&mass, massval, geomsize[0], geomsize[1], geomsize[2]);
                        break;
                case SOLID_BBOX:
@@ -2042,20 +2093,13 @@ static void World_Physics_Frame_BodyFromEntity(world_t *world, prvm_edict_t *ed)
                case SOLID_CORPSE:
                case SOLID_PHYSICS_BOX:
                        Matrix4x4_CreateTranslate(&ed->priv.server->ode_offsetmatrix, geomcenter[0], geomcenter[1], geomcenter[2]);
-                       ed->priv.server->ode_body = (void *)(body = dBodyCreate(world->physics.ode_world));
                        ed->priv.server->ode_geom = (void *)dCreateBox(world->physics.ode_space, geomsize[0], geomsize[1], geomsize[2]);
                        dMassSetBoxTotal(&mass, massval, geomsize[0], geomsize[1], geomsize[2]);
-                       dGeomSetBody(ed->priv.server->ode_geom, body);
-                       dBodySetMass(body, &mass);
                        break;
                case SOLID_PHYSICS_SPHERE:
                        Matrix4x4_CreateTranslate(&ed->priv.server->ode_offsetmatrix, geomcenter[0], geomcenter[1], geomcenter[2]);
-                       ed->priv.server->ode_body = (void *)(body = dBodyCreate(world->physics.ode_world));
                        ed->priv.server->ode_geom = (void *)dCreateSphere(world->physics.ode_space, geomsize[0] * 0.5f);
                        dMassSetSphereTotal(&mass, massval, geomsize[0] * 0.5f);
-                       dGeomSetBody(ed->priv.server->ode_geom, body);
-                       dBodySetMass(body, &mass);
-                       dBodySetData(body, (void*)ed);
                        break;
                case SOLID_PHYSICS_CAPSULE:
                        axisindex = 0;
@@ -2079,16 +2123,40 @@ static void World_Physics_Frame_BodyFromEntity(world_t *world, prvm_edict_t *ed)
                        // because we want to support more than one axisindex, we have to
                        // create a transform, and turn on its cleanup setting (which will
                        // cause the child to be destroyed when it is destroyed)
-                       ed->priv.server->ode_body = (void *)(body = dBodyCreate(world->physics.ode_world));
                        ed->priv.server->ode_geom = (void *)dCreateCapsule(world->physics.ode_space, radius, length);
                        dMassSetCapsuleTotal(&mass, massval, axisindex+1, radius, length);
-                       dGeomSetBody(ed->priv.server->ode_geom, body);
-                       dBodySetMass(body, &mass);
                        break;
                default:
                        Sys_Error("World_Physics_BodyFromEntity: unrecognized solid value %i was accepted by filter\n", solid);
                }
                Matrix4x4_Invert_Simple(&ed->priv.server->ode_offsetimatrix, &ed->priv.server->ode_offsetmatrix);
+               ed->priv.server->ode_massbuf = Mem_Alloc(mempool, sizeof(mass));
+               memcpy(ed->priv.server->ode_massbuf, &mass, sizeof(dMass));
+       }
+
+       if(ed->priv.server->ode_geom)
+               dGeomSetData(ed->priv.server->ode_geom, (void*)ed);
+       if (movetype == MOVETYPE_PHYSICS && ed->priv.server->ode_geom)
+       {
+               if (ed->priv.server->ode_body == NULL)
+               {
+                       ed->priv.server->ode_body = (void *)(body = dBodyCreate(world->physics.ode_world));
+                       dGeomSetBody(ed->priv.server->ode_geom, body);
+                       dBodySetData(body, (void*)ed);
+                       dBodySetMass(body, (dMass *) ed->priv.server->ode_massbuf);
+                       modified = true;
+               }
+       }
+       else
+       {
+               if (ed->priv.server->ode_body != NULL)
+               {
+                       if(ed->priv.server->ode_geom)
+                               dGeomSetBody(ed->priv.server->ode_geom, 0);
+                       dBodyDestroy((dBodyID) ed->priv.server->ode_body);
+                       ed->priv.server->ode_body = NULL;
+                       modified = true;
+               }
        }
 
        // get current data from entity
@@ -2116,10 +2184,26 @@ static void World_Physics_Frame_BodyFromEntity(world_t *world, prvm_edict_t *ed)
        // compatibility for legacy entities
        //if (!VectorLength2(forward) || solid == SOLID_BSP)
        {
-               AngleVectorsFLU(angles, forward, left, up);
+               float pitchsign = 1;
+               vec3_t qangles, qavelocity;
+               VectorCopy(angles, qangles);
+               VectorCopy(avelocity, qavelocity);
+
+               if(!strcmp(prog->name, "server")) // FIXME some better way?
+               {
+                       pitchsign = SV_GetPitchSign(ed);
+               }
+               else if(!strcmp(prog->name, "client"))
+               {
+                       pitchsign = CL_GetPitchSign(ed);
+               }
+               qangles[PITCH] *= pitchsign;
+               qavelocity[PITCH] *= pitchsign;
+
+               AngleVectorsFLU(qangles, forward, left, up);
                // convert single-axis rotations in avelocity to spinvelocity
                // FIXME: untested math - check signs
-               VectorSet(spinvelocity, DEG2RAD(avelocity[PITCH]), DEG2RAD(avelocity[ROLL]), DEG2RAD(avelocity[YAW]));
+               VectorSet(spinvelocity, DEG2RAD(qavelocity[PITCH]), DEG2RAD(qavelocity[ROLL]), DEG2RAD(qavelocity[YAW]));
        }
 
        // compatibility for legacy entities
@@ -2165,30 +2249,6 @@ static void World_Physics_Frame_BodyFromEntity(world_t *world, prvm_edict_t *ed)
                }
        }
 
-       // limit movement speed to prevent missed collisions at high speed
-       movelimit = ed->priv.server->ode_movelimit * world->physics.ode_movelimit;
-       test = VectorLength2(velocity);
-       if (test > movelimit*movelimit)
-       {
-               modified = true;
-               // scale down linear velocity to the movelimit
-               // scale down angular velocity the same amount for consistency
-               f = movelimit / sqrt(test);
-               VectorScale(velocity, f, velocity);
-               VectorScale(avelocity, f, avelocity);
-               VectorScale(spinvelocity, f, spinvelocity);
-       }
-
-       // make sure the angular velocity is not exploding
-       spinlimit = physics_ode_spinlimit.value;
-       test = VectorLength2(spinvelocity);
-       if (test > spinlimit)
-       {
-               modified = true;
-               VectorClear(avelocity);
-               VectorClear(spinvelocity);
-       }
-
        // check if the qc edited any position data
        if (!VectorCompare(origin, ed->priv.server->ode_origin)
         || !VectorCompare(velocity, ed->priv.server->ode_velocity)
@@ -2199,25 +2259,32 @@ static void World_Physics_Frame_BodyFromEntity(world_t *world, prvm_edict_t *ed)
 
        // store the qc values into the physics engine
        body = ed->priv.server->ode_body;
-       if (body && modified)
+       if (modified && ed->priv.server->ode_geom)
        {
                dVector3 r[3];
                matrix4x4_t entitymatrix;
                matrix4x4_t bodymatrix;
 
-               {
-                       float pitchsign = 1;
-                       if(!strcmp(prog->name, "server")) // FIXME some better way?
-                       {
-                               pitchsign = SV_GetPitchSign(ed);
-                       }
-                       else if(!strcmp(prog->name, "client"))
-                       {
-                               pitchsign = CL_GetPitchSign(ed);
-                       }
-                       angles[PITCH] *= pitchsign;
-                       avelocity[PITCH] *= pitchsign;
-               }
+#if 0
+               Con_Printf("entity %i got changed by QC\n", (int) (ed - prog->edicts));
+               if(!VectorCompare(origin, ed->priv.server->ode_origin))
+                       Con_Printf("  origin: %f %f %f -> %f %f %f\n", ed->priv.server->ode_origin[0], ed->priv.server->ode_origin[1], ed->priv.server->ode_origin[2], origin[0], origin[1], origin[2]);
+               if(!VectorCompare(velocity, ed->priv.server->ode_velocity))
+                       Con_Printf("  velocity: %f %f %f -> %f %f %f\n", ed->priv.server->ode_velocity[0], ed->priv.server->ode_velocity[1], ed->priv.server->ode_velocity[2], velocity[0], velocity[1], velocity[2]);
+               if(!VectorCompare(angles, ed->priv.server->ode_angles))
+                       Con_Printf("  angles: %f %f %f -> %f %f %f\n", ed->priv.server->ode_angles[0], ed->priv.server->ode_angles[1], ed->priv.server->ode_angles[2], angles[0], angles[1], angles[2]);
+               if(!VectorCompare(avelocity, ed->priv.server->ode_avelocity))
+                       Con_Printf("  avelocity: %f %f %f -> %f %f %f\n", ed->priv.server->ode_avelocity[0], ed->priv.server->ode_avelocity[1], ed->priv.server->ode_avelocity[2], avelocity[0], avelocity[1], avelocity[2]);
+               if(gravity != ed->priv.server->ode_gravity)
+                       Con_Printf("  gravity: %i -> %i\n", ed->priv.server->ode_gravity, gravity);
+#endif
+
+               // values for BodyFromEntity to check if the qc modified anything later
+               VectorCopy(origin, ed->priv.server->ode_origin);
+               VectorCopy(velocity, ed->priv.server->ode_velocity);
+               VectorCopy(angles, ed->priv.server->ode_angles);
+               VectorCopy(avelocity, ed->priv.server->ode_avelocity);
+               ed->priv.server->ode_gravity = gravity;
 
                Matrix4x4_FromVectors(&entitymatrix, forward, left, up, origin);
                Matrix4x4_Concat(&bodymatrix, &entitymatrix, &ed->priv.server->ode_offsetmatrix);
@@ -2231,16 +2298,62 @@ static void World_Physics_Frame_BodyFromEntity(world_t *world, prvm_edict_t *ed)
                r[0][2] = up[0];
                r[1][2] = up[1];
                r[2][2] = up[2];
-               dGeomSetBody(ed->priv.server->ode_geom, ed->priv.server->ode_body);
-               dBodySetPosition(body, origin[0], origin[1], origin[2]);
-               dBodySetRotation(body, r[0]);
-               dBodySetLinearVel(body, velocity[0], velocity[1], velocity[2]);
-               dBodySetAngularVel(body, spinvelocity[0], spinvelocity[1], spinvelocity[2]);
-               dBodySetGravityMode(body, gravity);
-               dBodySetData(body, (void*)ed);
-               // setting body to NULL makes an immovable object
-               if (movetype != MOVETYPE_PHYSICS)
-                       dGeomSetBody(ed->priv.server->ode_geom, 0);
+               if(body)
+               {
+                       if(movetype == MOVETYPE_PHYSICS)
+                       {
+                               dGeomSetBody(ed->priv.server->ode_geom, body);
+                               dBodySetPosition(body, origin[0], origin[1], origin[2]);
+                               dBodySetRotation(body, r[0]);
+                               dBodySetLinearVel(body, velocity[0], velocity[1], velocity[2]);
+                               dBodySetAngularVel(body, spinvelocity[0], spinvelocity[1], spinvelocity[2]);
+                               dBodySetGravityMode(body, gravity);
+                       }
+                       else
+                       {
+                               dGeomSetBody(ed->priv.server->ode_geom, body);
+                               dBodySetPosition(body, origin[0], origin[1], origin[2]);
+                               dBodySetRotation(body, r[0]);
+                               dBodySetLinearVel(body, velocity[0], velocity[1], velocity[2]);
+                               dBodySetAngularVel(body, spinvelocity[0], spinvelocity[1], spinvelocity[2]);
+                               dBodySetGravityMode(body, gravity);
+                               dGeomSetBody(ed->priv.server->ode_geom, 0);
+                       }
+               }
+               else
+               {
+                       // no body... then let's adjust the parameters of the geom directly
+                       dGeomSetBody(ed->priv.server->ode_geom, 0); // just in case we previously HAD a body (which should never happen)
+                       dGeomSetPosition(ed->priv.server->ode_geom, origin[0], origin[1], origin[2]);
+                       dGeomSetRotation(ed->priv.server->ode_geom, r[0]);
+               }
+       }
+
+       if(body)
+       {
+               // limit movement speed to prevent missed collisions at high speed
+               const dReal *ovelocity = dBodyGetLinearVel(body);
+               const dReal *ospinvelocity = dBodyGetAngularVel(body);
+               movelimit = ed->priv.server->ode_movelimit * world->physics.ode_movelimit;
+               test = VectorLength2(ovelocity);
+               if (test > movelimit*movelimit)
+               {
+                       // scale down linear velocity to the movelimit
+                       // scale down angular velocity the same amount for consistency
+                       f = movelimit / sqrt(test);
+                       VectorScale(ovelocity, f, velocity);
+                       VectorScale(ospinvelocity, f, spinvelocity);
+                       dBodySetLinearVel(body, velocity[0], velocity[1], velocity[2]);
+                       dBodySetAngularVel(body, spinvelocity[0], spinvelocity[1], spinvelocity[2]);
+               }
+
+               // make sure the angular velocity is not exploding
+               spinlimit = physics_ode_spinlimit.value;
+               test = VectorLength2(ospinvelocity);
+               if (test > spinlimit)
+               {
+                       dBodySetAngularVel(body, 0, 0, 0);
+               }
        }
 }
 
@@ -2260,7 +2373,7 @@ static void nearCallback (void *data, dGeomID o1, dGeomID o2)
        float bouncefactor2 = 0.0f;
        float bouncestop2 = 60.0f / 800.0f;
        dVector3 grav;
-       prvm_edict_t *ed;
+       prvm_edict_t *ed1, *ed2;
 
        if (dGeomIsSpace(o1) || dGeomIsSpace(o2))
        {
@@ -2284,33 +2397,43 @@ static void nearCallback (void *data, dGeomID o1, dGeomID o2)
        if (b1 && b2 && dAreConnectedExcluding(b1, b2, dJointTypeContact))
                return;
 
-       if(b1)
+       ed1 = (prvm_edict_t *) dGeomGetData(o1);
+       if(ed1 && ed1->priv.server->free)
+               ed1 = NULL;
+       if(ed1)
        {
-               ed = (prvm_edict_t *) dBodyGetData(b1);
-               if(ed)
-               {
-                       val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.bouncefactor);
-                       if (val!=0 && val->_float)
-                               bouncefactor1 = val->_float;
+               val = PRVM_EDICTFIELDVALUE(ed1, prog->fieldoffsets.bouncefactor);
+               if (val!=0 && val->_float)
+                       bouncefactor1 = val->_float;
 
-                       val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.bouncestop);
-                       if (val!=0 && val->_float)
-                               bouncestop1 = val->_float;
-               }
+               val = PRVM_EDICTFIELDVALUE(ed1, prog->fieldoffsets.bouncestop);
+               if (val!=0 && val->_float)
+                       bouncestop1 = val->_float;
        }
 
-       if(b2)
+       ed2 = (prvm_edict_t *) dGeomGetData(o2);
+       if(ed2 && ed2->priv.server->free)
+               ed2 = NULL;
+       if(ed2)
        {
-               ed = (prvm_edict_t *) dBodyGetData(b2);
-               if(ed)
-               {
-                       val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.bouncefactor);
-                       if (val!=0 && val->_float)
-                               bouncefactor2 = val->_float;
+               val = PRVM_EDICTFIELDVALUE(ed2, prog->fieldoffsets.bouncefactor);
+               if (val!=0 && val->_float)
+                       bouncefactor2 = val->_float;
 
-                       val = PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.bouncestop);
-                       if (val!=0 && val->_float)
-                               bouncestop2 = val->_float;
+               val = PRVM_EDICTFIELDVALUE(ed2, prog->fieldoffsets.bouncestop);
+               if (val!=0 && val->_float)
+                       bouncestop2 = val->_float;
+       }
+
+       if(!strcmp(prog->name, "server"))
+       {
+               if(ed1 && ed1->fields.server->touch)
+               {
+                       SV_LinkEdict_TouchAreaGrid_Call(ed1, ed2 ? ed2 : prog->edicts);
+               }
+               if(ed2 && ed2->fields.server->touch)
+               {
+                       SV_LinkEdict_TouchAreaGrid_Call(ed2, ed1 ? ed1 : prog->edicts);
                }
        }
 
@@ -2359,6 +2482,10 @@ void World_Physics_Frame(world_t *world, double frametime, double gravity)
                int i;
                prvm_edict_t *ed;
 
+               world->physics.ode_iterations = bound(1, physics_ode_iterationsperframe.integer, 1000);
+               world->physics.ode_step = frametime / world->physics.ode_iterations;
+               world->physics.ode_movelimit = physics_ode_movelimit.value / world->physics.ode_step;
+
                // copy physics properties from entities to physics engine
                if (prog)
                {
@@ -2371,9 +2498,6 @@ void World_Physics_Frame(world_t *world, double frametime, double gravity)
                                        World_Physics_Frame_JointFromEntity(world, ed);
                }
 
-               world->physics.ode_iterations = bound(1, physics_ode_iterationsperframe.integer, 1000);
-               world->physics.ode_step = frametime / world->physics.ode_iterations;
-               world->physics.ode_movelimit = physics_ode_movelimit.value / world->physics.ode_step;
                for (i = 0;i < world->physics.ode_iterations;i++)
                {
                        // set the gravity
@@ -2402,7 +2526,7 @@ void World_Physics_Frame(world_t *world, double frametime, double gravity)
                // copy physics properties from physics engine to entities
                if (prog)
                        for (i = 1, ed = prog->edicts + i;i < prog->num_edicts;i++, ed++)
-                               if (!prog->edicts[i].priv.required->free && PRVM_EDICTFIELDVALUE(ed, prog->fieldoffsets.movetype)->_float == MOVETYPE_PHYSICS)
+                               if (!prog->edicts[i].priv.required->free)
                                        World_Physics_Frame_BodyToEntity(world, ed);
        }
 #endif