#ifdef USEODE
cvar_t physics_ode_quadtree_depth = {0, "physics_ode_quadtree_depth","5", "desired subdivision level of quadtree culling space"};
+cvar_t physics_ode_allowconvex = {0, "physics_ode_allowconvex", "0", "allow usage of Convex Hull primitive type on trimeshes that have custom 'collisionconvex' mesh. If disabled, trimesh primitive type are used."};
cvar_t physics_ode_contactsurfacelayer = {0, "physics_ode_contactsurfacelayer","1", "allows objects to overlap this many units to reduce jitter"};
cvar_t physics_ode_worldstep_iterations = {0, "physics_ode_worldstep_iterations", "20", "parameter to dWorldQuickStep"};
cvar_t physics_ode_contact_mu = {0, "physics_ode_contact_mu", "1", "contact solver mu parameter - friction pyramid approximation 1 (see ODE User Guide)"};
cvar_t physics_ode_world_erp = {0, "physics_ode_world_erp", "-1", "world solver erp parameter - Error Restitution Percent (see ODE User Guide); use defaults when set to -1"};
cvar_t physics_ode_world_cfm = {0, "physics_ode_world_cfm", "-1", "world solver cfm parameter - Constraint Force Mixing (see ODE User Guide); not touched when -1"};
cvar_t physics_ode_world_damping = {0, "physics_ode_world_damping", "1", "enabled damping scale (see ODE User Guide), this scales all damping values, be aware that behavior depends of step type"};
-cvar_t physics_ode_world_damping_linear = {0, "physics_ode_world_damping_linear", "0.005", "world linear damping scale (see ODE User Guide); use defaults when set to -1"};
-cvar_t physics_ode_world_damping_linear_threshold = {0, "physics_ode_world_damping_linear_threshold", "0.01", "world linear damping threshold (see ODE User Guide); use defaults when set to -1"};
-cvar_t physics_ode_world_damping_angular = {0, "physics_ode_world_damping_angular", "0.005", "world angular damping scale (see ODE User Guide); use defaults when set to -1"};
-cvar_t physics_ode_world_damping_angular_threshold = {0, "physics_ode_world_damping_angular_threshold", "0.01", "world angular damping threshold (see ODE User Guide); use defaults when set to -1"};
+cvar_t physics_ode_world_damping_linear = {0, "physics_ode_world_damping_linear", "0.01", "world linear damping scale (see ODE User Guide); use defaults when set to -1"};
+cvar_t physics_ode_world_damping_linear_threshold = {0, "physics_ode_world_damping_linear_threshold", "0.1", "world linear damping threshold (see ODE User Guide); use defaults when set to -1"};
+cvar_t physics_ode_world_damping_angular = {0, "physics_ode_world_damping_angular", "0.05", "world angular damping scale (see ODE User Guide); use defaults when set to -1"};
+cvar_t physics_ode_world_damping_angular_threshold = {0, "physics_ode_world_damping_angular_threshold", "0.1", "world angular damping threshold (see ODE User Guide); use defaults when set to -1"};
cvar_t physics_ode_world_gravitymod = {0, "physics_ode_world_gravitymod", "1", "multiplies gravity got from sv_gravity, this may be needed to tweak if strong damping is used"};
cvar_t physics_ode_iterationsperframe = {0, "physics_ode_iterationsperframe", "1", "divisor for time step, runs multiple physics steps per frame"};
cvar_t physics_ode_constantstep = {0, "physics_ode_constantstep", "0", "use constant step instead of variable step which tends to increase stability, if set to 1 uses sys_ticrate, instead uses it's own value"};
cvar_t physics_ode_autodisable = {0, "physics_ode_autodisable", "1", "automatic disabling of objects which dont move for long period of time, makes object stacking a lot faster"};
cvar_t physics_ode_autodisable_steps = {0, "physics_ode_autodisable_steps", "10", "how many steps object should be dormant to be autodisabled"};
cvar_t physics_ode_autodisable_time = {0, "physics_ode_autodisable_time", "0", "how many seconds object should be dormant to be autodisabled"};
-cvar_t physics_ode_autodisable_threshold_linear = {0, "physics_ode_autodisable_threshold_linear", "0.2", "body will be disabled if it's linear move below this value"};
-cvar_t physics_ode_autodisable_threshold_angular = {0, "physics_ode_autodisable_threshold_angular", "0.3", "body will be disabled if it's angular move below this value"};
+cvar_t physics_ode_autodisable_threshold_linear = {0, "physics_ode_autodisable_threshold_linear", "0.6", "body will be disabled if it's linear move below this value"};
+cvar_t physics_ode_autodisable_threshold_angular = {0, "physics_ode_autodisable_threshold_angular", "6", "body will be disabled if it's angular move below this value"};
cvar_t physics_ode_autodisable_threshold_samples = {0, "physics_ode_autodisable_threshold_samples", "5", "average threshold with this number of samples"};
cvar_t physics_ode_movelimit = {0, "physics_ode_movelimit", "0.5", "clamp velocity if a single move would exceed this percentage of object thickness, to prevent flying through walls, be aware that behavior depends of step type"};
cvar_t physics_ode_spinlimit = {0, "physics_ode_spinlimit", "10000", "reset spin velocity if it gets too large"};
cvar_t physics_ode_trick_fixnan = {0, "physics_ode_trick_fixnan", "1", "engine trick that checks and fixes NaN velocity/origin/angles on objects, a value of 2 makes console prints on each fix"};
cvar_t physics_ode_printstats = {0, "physics_ode_printstats", "0", "print ODE stats each frame"};
+
cvar_t physics_ode = {0, "physics_ode", "0", "run ODE physics (VERY experimental and potentially buggy)"};
// LordHavoc: this large chunk of definitions comes from the ODE library
//dReal (ODE_API *dGeomSphereGetRadius)(dGeomID sphere);
//dReal (ODE_API *dGeomSpherePointDepth)(dGeomID sphere, dReal x, dReal y, dReal z);
//
-//dGeomID (ODE_API *dCreateConvex)(dSpaceID space, dReal *_planes, unsigned int _planecount, dReal *_points, unsigned int _pointcount,unsigned int *_polygons);
+dGeomID (ODE_API *dCreateConvex)(dSpaceID space, dReal *_planes, unsigned int _planecount, dReal *_points, unsigned int _pointcount,unsigned int *_polygons);
//void (ODE_API *dGeomSetConvex)(dGeomID g, dReal *_planes, unsigned int _count, dReal *_points, unsigned int _pointcount,unsigned int *_polygons);
//
dGeomID (ODE_API *dCreateBox)(dSpaceID space, dReal lx, dReal ly, dReal lz);
// {"dGeomSphereSetRadius", (void **) &dGeomSphereSetRadius},
// {"dGeomSphereGetRadius", (void **) &dGeomSphereGetRadius},
// {"dGeomSpherePointDepth", (void **) &dGeomSpherePointDepth},
-// {"dCreateConvex", (void **) &dCreateConvex},
+ {"dCreateConvex", (void **) &dCreateConvex},
// {"dGeomSetConvex", (void **) &dGeomSetConvex},
{"dCreateBox", (void **) &dCreateBox},
// {"dGeomBoxSetLengths", (void **) &dGeomBoxSetLengths},
Cvar_RegisterVariable(&physics_ode_autodisable_threshold_angular);
Cvar_RegisterVariable(&physics_ode_autodisable_threshold_samples);
Cvar_RegisterVariable(&physics_ode_printstats);
+ Cvar_RegisterVariable(&physics_ode_allowconvex);
Cvar_RegisterVariable(&physics_ode);
#ifdef ODE_DYNAMIC
}
}
+// test convex geometry data
+// planes for a cube, these should coincide with the
+dReal test_convex_planes[] =
+{
+ 1.0f ,0.0f ,0.0f ,2.25f,
+ 0.0f ,1.0f ,0.0f ,2.25f,
+ 0.0f ,0.0f ,1.0f ,2.25f,
+ -1.0f,0.0f ,0.0f ,2.25f,
+ 0.0f ,-1.0f,0.0f ,2.25f,
+ 0.0f ,0.0f ,-1.0f,2.25f
+};
+const unsigned int test_convex_planecount = 6;
+// points for a cube
+dReal test_convex_points[] =
+{
+ 2.25f,2.25f,2.25f, // point 0
+ -2.25f,2.25f,2.25f, // point 1
+ 2.25f,-2.25f,2.25f, // point 2
+ -2.25f,-2.25f,2.25f, // point 3
+ 2.25f,2.25f,-2.25f, // point 4
+ -2.25f,2.25f,-2.25f, // point 5
+ 2.25f,-2.25f,-2.25f, // point 6
+ -2.25f,-2.25f,-2.25f, // point 7
+};
+const unsigned int test_convex_pointcount = 8;
+// polygons for a cube (6 squares), index
+unsigned int test_convex_polygons[] =
+{
+ 4,0,2,6,4, // positive X
+ 4,1,0,4,5, // positive Y
+ 4,0,1,3,2, // positive Z
+ 4,3,1,5,7, // negative X
+ 4,2,3,7,6, // negative Y
+ 4,5,4,6,7, // negative Z
+};
+
static void World_Physics_Frame_BodyFromEntity(world_t *world, prvm_edict_t *ed)
{
prvm_prog_t *prog = world->prog;
vec_t massval = 1.0f;
vec_t movelimit;
vec_t radius;
- vec_t scale = 1.0f;
+ vec3_t scale;
vec_t spinlimit;
qboolean gravity;
- vec3_t scalevec;
+ qboolean geom_modified = false;
edict_odefunc_t *func, *nextf;
+ dReal *planes, *planesData, *pointsData;
+ unsigned int *polygons, *polygonsData, polyvert;
+ qboolean *mapped, *used, convex_compatible;
+ int numplanes = 0, numpoints = 0, i;
+
#ifdef ODE_DYNAMIC
if (!ode_dll)
return;
solid = (int)PRVM_gameedictfloat(ed, solid);
geomtype = (int)PRVM_gameedictfloat(ed, geomtype);
movetype = (int)PRVM_gameedictfloat(ed, movetype);
- scale = PRVM_gameedictfloat(ed, scale);if (!scale) scale = 1.0f;
+ // support scale and q3map/radiant's modelscale_vec
+ if (PRVM_gameedictvector(ed, modelscale_vec)[0] != 0.0 || PRVM_gameedictvector(ed, modelscale_vec)[1] != 0.0 || PRVM_gameedictvector(ed, modelscale_vec)[2] != 0.0)
+ VectorCopy(PRVM_gameedictvector(ed, modelscale_vec), scale);
+ else if (PRVM_gameedictfloat(ed, scale))
+ VectorSet(scale, PRVM_gameedictfloat(ed, scale), PRVM_gameedictfloat(ed, scale), PRVM_gameedictfloat(ed, scale));
+ else
+ VectorSet(scale, 1.0f, 1.0f, 1.0f);
modelindex = 0;
+ if (PRVM_gameedictfloat(ed, mass))
+ massval = PRVM_gameedictfloat(ed, mass);
+ if (movetype != MOVETYPE_PHYSICS)
+ massval = 1.0f;
mempool = prog->progs_mempool;
model = NULL;
if (!geomtype)
model = NULL;
if (model)
{
- VectorScale(model->normalmins, scale, entmins);
- VectorScale(model->normalmaxs, scale, entmaxs);
- massval = PRVM_gameedictfloat(ed, mass);
+ entmins[0] = model->normalmins[0] * scale[0];
+ entmins[1] = model->normalmins[1] * scale[1];
+ entmins[2] = model->normalmins[2] * scale[2];
+ entmaxs[0] = model->normalmaxs[0] * scale[0];
+ entmaxs[1] = model->normalmaxs[1] * scale[1];
+ entmaxs[2] = model->normalmaxs[2] * scale[2];
+ geom_modified = !VectorCompare(ed->priv.server->ode_scale, scale) || ed->priv.server->ode_modelindex != modelindex;
}
else
{
+ Con_Printf("entity %i (classname %s) has no model\n", PRVM_NUM_FOR_EDICT(ed), PRVM_GetString(prog, PRVM_gameedictstring(ed, classname)));
+ geomtype = GEOMTYPE_BOX;
+ VectorCopy(PRVM_gameedictvector(ed, mins), entmins);
+ VectorCopy(PRVM_gameedictvector(ed, maxs), entmaxs);
modelindex = 0;
- massval = 1.0f;
+ geom_modified = !VectorCompare(ed->priv.server->ode_mins, entmins) || !VectorCompare(ed->priv.server->ode_maxs, entmaxs);
}
}
else if (geomtype && geomtype != GEOMTYPE_NONE)
{
VectorCopy(PRVM_gameedictvector(ed, mins), entmins);
VectorCopy(PRVM_gameedictvector(ed, maxs), entmaxs);
- massval = PRVM_gameedictfloat(ed, mass);
+ geom_modified = !VectorCompare(ed->priv.server->ode_mins, entmins) || !VectorCompare(ed->priv.server->ode_maxs, entmaxs);
}
else
{
return;
}
- if (movetype != MOVETYPE_PHYSICS)
- massval = 1.0f;
+ // get friction
+ ed->priv.server->ode_friction = PRVM_gameedictfloat(ed, friction) ? PRVM_gameedictfloat(ed, friction) : 1.0f;
- // get friction from entity
- if (PRVM_gameedictfloat(ed, friction))
- ed->priv.server->ode_friction = PRVM_gameedictfloat(ed, friction);
- else
- ed->priv.server->ode_friction = 1.0;
-
// check if we need to create or replace the geom
- if (!ed->priv.server->ode_physics
- || !VectorCompare(ed->priv.server->ode_mins, entmins)
- || !VectorCompare(ed->priv.server->ode_maxs, entmaxs)
- || ed->priv.server->ode_mass != massval
- || ed->priv.server->ode_modelindex != modelindex)
+ if (!ed->priv.server->ode_physics || ed->priv.server->ode_mass != massval || geom_modified)
{
modified = true;
World_Physics_RemoveFromEntity(world, ed);
ed->priv.server->ode_physics = true;
- VectorCopy(entmins, ed->priv.server->ode_mins);
- VectorCopy(entmaxs, ed->priv.server->ode_maxs);
- ed->priv.server->ode_mass = massval;
- ed->priv.server->ode_modelindex = modelindex;
VectorMAM(0.5f, entmins, 0.5f, entmaxs, geomcenter);
if (PRVM_gameedictvector(ed, massofs))
VectorCopy(geomcenter, PRVM_gameedictvector(ed, massofs));
- else
- VectorMAM(0.5f, entmins, 0.5f, entmaxs, geomcenter);
- ed->priv.server->ode_movelimit = min(geomsize[0], min(geomsize[1], geomsize[2]));
- if (massval * geomsize[0] * geomsize[1] * geomsize[2] == 0)
+
+ // check geomsize
+ if (geomsize[0] * geomsize[1] * geomsize[2] == 0)
{
if (movetype == MOVETYPE_PHYSICS)
Con_Printf("entity %i (classname %s) .mass * .size_x * .size_y * .size_z == 0\n", PRVM_NUM_FOR_EDICT(ed), PRVM_GetString(prog, PRVM_gameedictstring(ed, classname)));
- massval = 1.0f;
VectorSet(geomsize, 1.0f, 1.0f, 1.0f);
}
+ // greate geom
switch(geomtype)
{
case GEOMTYPE_TRIMESH:
- ed->priv.server->ode_offsetmatrix = identitymatrix;
- // honor scale, support q3map2's/radiant's modelscale_vec
- VectorCopy(PRVM_gameedictvector(ed, modelscale_vec), scalevec);
- if (scalevec[0] != 0.0 || scalevec[1] != 0.0 || scalevec[2] != 0.0)
- Matrix4x4_OriginScale3(&ed->priv.server->ode_offsetmatrix, scalevec[0], scalevec[1],scalevec[2]);
- else if (PRVM_gameedictfloat(ed, scale))
- Matrix4x4_OriginScale3(&ed->priv.server->ode_offsetmatrix, PRVM_gameedictfloat(ed, scale), PRVM_gameedictfloat(ed, scale), PRVM_gameedictfloat(ed, scale));
- // check model
- if (!model)
- {
- Con_Printf("entity %i (classname %s) has no model\n", PRVM_NUM_FOR_EDICT(ed), PRVM_GetString(prog, PRVM_gameedictstring(ed, classname)));
- goto treatasbox;
- }
// add an optimized mesh to the model containing only the SUPERCONTENTS_SOLID surfaces
if (!model->brush.collisionmesh)
Mod_CreateCollisionMesh(model);
- if (!model->brush.collisionmesh || !model->brush.collisionmesh->numtriangles)
+ if (!model->brush.collisionmesh)
{
Con_Printf("entity %i (classname %s) has no geometry\n", PRVM_NUM_FOR_EDICT(ed), PRVM_GetString(prog, PRVM_gameedictstring(ed, classname)));
goto treatasbox;
}
+
+ // check if trimesh can be defined with convex
+ convex_compatible = false;
+ for (i = 0;i < model->nummodelsurfaces;i++)
+ {
+ if (!strcmp(((msurface_t *)(model->data_surfaces + model->firstmodelsurface + i))->texture->name, "collisionconvex"))
+ {
+ convex_compatible = true;
+ break;
+ }
+ }
+
// ODE requires persistent mesh storage, so we need to copy out
// the data from the model because renderer restarts could free it
// during the game, additionally we need to flip the triangles...
// concave edges, etc., so this is not a lightweight operation
ed->priv.server->ode_numvertices = numvertices = model->brush.collisionmesh->numverts;
ed->priv.server->ode_vertex3f = (float *)Mem_Alloc(mempool, numvertices * sizeof(float[3]));
+
+ // VorteX: rebuild geomsize based on entity's collision mesh, honor scale
+ VectorSet(entmins, 0, 0, 0);
+ VectorSet(entmaxs, 0, 0, 0);
+ for (vertexindex = 0, ov = ed->priv.server->ode_vertex3f, iv = model->brush.collisionmesh->vertex3f;vertexindex < numvertices;vertexindex++, ov += 3, iv += 3)
+ {
+ ov[0] = iv[0] * scale[0];
+ ov[1] = iv[1] * scale[1];
+ ov[2] = iv[2] * scale[2];
+ entmins[0] = min(entmins[0], ov[0]);
+ entmins[1] = min(entmins[1], ov[1]);
+ entmins[2] = min(entmins[2], ov[2]);
+ entmaxs[0] = max(entmaxs[0], ov[0]);
+ entmaxs[1] = max(entmaxs[1], ov[1]);
+ entmaxs[2] = max(entmaxs[2], ov[2]);
+ }
+ if (!PRVM_gameedictvector(ed, massofs))
+ VectorMAM(0.5f, entmins, 0.5f, entmaxs, geomcenter);
for (vertexindex = 0, ov = ed->priv.server->ode_vertex3f, iv = model->brush.collisionmesh->vertex3f;vertexindex < numvertices;vertexindex++, ov += 3, iv += 3)
{
- ov[0] = iv[0] - geomcenter[0];
- ov[1] = iv[1] - geomcenter[1];
- ov[2] = iv[2] - geomcenter[2];
+ ov[0] = ov[0] - geomcenter[0];
+ ov[1] = ov[1] - geomcenter[1];
+ ov[2] = ov[2] - geomcenter[2];
+ }
+ VectorSubtract(entmaxs, entmins, geomsize);
+ if (VectorLength2(geomsize) == 0)
+ {
+ if (movetype == MOVETYPE_PHYSICS)
+ Con_Printf("entity %i collision mesh has null geomsize\n", PRVM_NUM_FOR_EDICT(ed));
+ VectorSet(geomsize, 1.0f, 1.0f, 1.0f);
}
ed->priv.server->ode_numtriangles = numtriangles = model->brush.collisionmesh->numtriangles;
ed->priv.server->ode_element3i = (int *)Mem_Alloc(mempool, numtriangles * sizeof(int[3]));
oe[1] = ie[1];
oe[2] = ie[0];
}
+ // create geom
Matrix4x4_CreateTranslate(&ed->priv.server->ode_offsetmatrix, geomcenter[0], geomcenter[1], geomcenter[2]);
- // now create the geom
- dataID = dGeomTriMeshDataCreate();
- dGeomTriMeshDataBuildSingle((dTriMeshDataID)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_geom = (void *)dCreateTriMesh((dSpaceID)world->physics.ode_space, (dTriMeshDataID)dataID, NULL, NULL, NULL);
- dMassSetBoxTotal(&mass, massval, geomsize[0], geomsize[1], geomsize[2]);
+ if (!convex_compatible || !physics_ode_allowconvex.integer)
+ {
+ // trimesh
+ dataID = dGeomTriMeshDataCreate();
+ dGeomTriMeshDataBuildSingle((dTriMeshDataID)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_geom = (void *)dCreateTriMesh((dSpaceID)world->physics.ode_space, (dTriMeshDataID)dataID, NULL, NULL, NULL);
+ dMassSetBoxTotal(&mass, massval, geomsize[0], geomsize[1], geomsize[2]);
+ }
+ else
+ {
+ // VorteX: this code is unfinished in two ways
+ // - no duplicate vertex merging are done
+ // - triangles that shares same edge and havee sam plane are not merget into poly
+ // so, currently it only works for geosphere meshes with no UV
+
+ Con_Printf("Build convex hull for model %s...\n", model->name);
+ // build convex geometry from trimesh data
+ // this ensures that trimesh's triangles can form correct convex geometry
+ // not many of error checking is performed
+ // ODE's conve hull data consist of:
+ // planes : an array of planes in the form: normal X, normal Y, normal Z, distance
+ // points : an array of points X,Y,Z
+ // polygons: an array of indices to the points of each polygon,it should be the number of vertices
+ // followed by that amount of indices to "points" in counter clockwise order
+ polygonsData = polygons = (unsigned int *)Mem_Alloc(mempool, numtriangles*sizeof(int)*4);
+ planesData = planes = (dReal *)Mem_Alloc(mempool, numtriangles*sizeof(dReal)*4);
+ mapped = (qboolean *)Mem_Alloc(mempool, numvertices*sizeof(qboolean));
+ used = (qboolean *)Mem_Alloc(mempool, numtriangles*sizeof(qboolean));
+ memset(mapped, 0, numvertices*sizeof(qboolean));
+ memset(used, 0, numtriangles*sizeof(qboolean));
+ numplanes = numpoints = polyvert = 0;
+ // build convex hull
+ // todo: merge duplicated verts here
+ Con_Printf("Building...\n");
+ iv = ed->priv.server->ode_vertex3f;
+ for (triangleindex = 0; triangleindex < numtriangles; triangleindex++)
+ {
+ // already formed a polygon?
+ if (used[triangleindex])
+ continue;
+ // init polygon
+ // switch clockwise->counterclockwise
+ ie = &model->brush.collisionmesh->element3i[triangleindex*3];
+ used[triangleindex] = true;
+ TriangleNormal(&iv[ie[0]*3], &iv[ie[1]*3], &iv[ie[2]*3], planes);
+ VectorNormalize(planes);
+ polygons[0] = 3;
+ polygons[3] = (unsigned int)ie[0]; mapped[polygons[3]] = true;
+ polygons[2] = (unsigned int)ie[1]; mapped[polygons[2]] = true;
+ polygons[1] = (unsigned int)ie[2]; mapped[polygons[1]] = true;
+
+ // now find and include concave triangles
+ for (i = triangleindex; i < numtriangles; i++)
+ {
+ if (used[i])
+ continue;
+ // should share at least 2 vertexes
+ for (polyvert = 1; polyvert <= polygons[0]; polyvert++)
+ {
+ // todo: merge in triangles that shares an edge and have same plane here
+ }
+ }
+
+ // add polygon to overall stats
+ planes[3] = DotProduct(&iv[polygons[1]*3], planes);
+ polygons += (polygons[0]+1);
+ planes += 4;
+ numplanes++;
+ }
+ Mem_Free(used);
+ // save points
+ for (vertexindex = 0, numpoints = 0; vertexindex < numvertices; vertexindex++)
+ if (mapped[vertexindex])
+ numpoints++;
+ pointsData = (dReal *)Mem_Alloc(mempool, numpoints*sizeof(dReal)*3 + numplanes*sizeof(dReal)*4); // planes is appended
+ for (vertexindex = 0, numpoints = 0; vertexindex < numvertices; vertexindex++)
+ {
+ if (mapped[vertexindex])
+ {
+ VectorCopy(&iv[vertexindex*3], &pointsData[numpoints*3]);
+ numpoints++;
+ }
+ }
+ Mem_Free(mapped);
+ Con_Printf("Points: \n");
+ for (i = 0; i < (int)numpoints; i++)
+ Con_Printf("%3i: %3.1f %3.1f %3.1f\n", i, pointsData[i*3], pointsData[i*3+1], pointsData[i*3+2]);
+ // save planes
+ planes = planesData;
+ planesData = pointsData + numpoints*3;
+ memcpy(planesData, planes, numplanes*sizeof(dReal)*4);
+ Mem_Free(planes);
+ Con_Printf("planes...\n");
+ for (i = 0; i < numplanes; i++)
+ Con_Printf("%3i: %1.1f %1.1f %1.1f %1.1f\n", i, planesData[i*4], planesData[i*4 + 1], planesData[i*4 + 2], planesData[i*4 + 3]);
+ // save polygons
+ polyvert = polygons - polygonsData;
+ polygons = polygonsData;
+ polygonsData = (unsigned int *)Mem_Alloc(mempool, polyvert*sizeof(int));
+ memcpy(polygonsData, polygons, polyvert*sizeof(int));
+ Mem_Free(polygons);
+ Con_Printf("Polygons: \n");
+ polygons = polygonsData;
+ for (i = 0; i < numplanes; i++)
+ {
+ Con_Printf("%3i : %i ", i, polygons[0]);
+ for (triangleindex = 1; triangleindex <= (int)polygons[0]; triangleindex++)
+ Con_Printf("%3i ", polygons[triangleindex]);
+ polygons += (polygons[0]+1);
+ Con_Printf("\n");
+ }
+ Mem_Free(ed->priv.server->ode_element3i);
+ ed->priv.server->ode_element3i = (int *)polygonsData;
+ Mem_Free(ed->priv.server->ode_vertex3f);
+ ed->priv.server->ode_vertex3f = (float *)pointsData;
+ // check for properly build polygons by calculating the determinant of the 3x3 matrix composed of the first 3 points in the polygon
+ // this code is picked from ODE Source
+ Con_Printf("Check...\n");
+ polygons = polygonsData;
+ for (i = 0; i < numplanes; i++)
+ {
+ if((pointsData[(polygons[1]*3)+0]*pointsData[(polygons[2]*3)+1]*pointsData[(polygons[3]*3)+2] +
+ pointsData[(polygons[1]*3)+1]*pointsData[(polygons[2]*3)+2]*pointsData[(polygons[3]*3)+0] +
+ pointsData[(polygons[1]*3)+2]*pointsData[(polygons[2]*3)+0]*pointsData[(polygons[3]*3)+1] -
+ pointsData[(polygons[1]*3)+2]*pointsData[(polygons[2]*3)+1]*pointsData[(polygons[3]*3)+0] -
+ pointsData[(polygons[1]*3)+1]*pointsData[(polygons[2]*3)+0]*pointsData[(polygons[3]*3)+2] -
+ pointsData[(polygons[1]*3)+0]*pointsData[(polygons[2]*3)+2]*pointsData[(polygons[3]*3)+1]) < 0)
+ Con_Printf("WARNING: Polygon %d is not defined counterclockwise\n", i);
+ if (planesData[(i*4)+3] < 0)
+ Con_Printf("WARNING: Plane %d does not contain the origin\n", i);
+ polygons += (*polygons + 1);
+ }
+ // create geom
+ Con_Printf("Create geom...\n");
+ ed->priv.server->ode_geom = (void *)dCreateConvex((dSpaceID)world->physics.ode_space, planesData, numplanes, pointsData, numpoints, polygonsData);
+ dMassSetBoxTotal(&mass, massval, geomsize[0], geomsize[1], geomsize[2]);
+ Con_Printf("Done!\n");
+ }
break;
case GEOMTYPE_BOX:
treatasbox:
// catch legitimate uninitialized variable warnings
goto treatasbox;
}
+ ed->priv.server->ode_mass = massval;
+ ed->priv.server->ode_modelindex = modelindex;
+ VectorCopy(entmins, ed->priv.server->ode_mins);
+ VectorCopy(entmaxs, ed->priv.server->ode_maxs);
+ VectorCopy(scale, ed->priv.server->ode_scale);
+ ed->priv.server->ode_movelimit = min(geomsize[0], min(geomsize[1], geomsize[2]));
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));
dGeomSetData((dGeomID)ed->priv.server->ode_geom, (void*)ed);
if (movetype == MOVETYPE_PHYSICS && ed->priv.server->ode_geom)
{
+ // entity is dynamic
if (ed->priv.server->ode_body == NULL)
{
ed->priv.server->ode_body = (void *)(body = dBodyCreate((dWorldID)world->physics.ode_world));
}
else
{
+ // entity is deactivated
if (ed->priv.server->ode_body != NULL)
{
if(ed->priv.server->ode_geom)
world_t *world = (world_t *)data;
prvm_prog_t *prog = world->prog;
dContact contact[MAX_CONTACTS]; // max contacts per collision pair
- dBodyID b1;
- dBodyID b2;
+ int b1enabled = 0, b2enabled = 0;
+ dBodyID b1, b2;
dJointID c;
int i;
int numcontacts;
}
b1 = dGeomGetBody(o1);
+ if (b1)
+ b1enabled = dBodyIsEnabled(b1);
b2 = dGeomGetBody(o2);
+ if (b2)
+ b2enabled = dBodyIsEnabled(b2);
- // at least one object has to be using MOVETYPE_PHYSICS or we just don't care
- if (!b1 && !b2)
+ // at least one object has to be using MOVETYPE_PHYSICS and should be enabled or we just don't care
+ if (!b1enabled && !b2enabled)
return;
// exit without doing anything if the two bodies are connected by a joint