{
int blocked, bumpcount;
edict_t *hackongroundentity;
+ int i, j, impact, numplanes;
+ float d, time_left;
+ vec3_t dir, end, planes[MAX_CLIP_PLANES], primal_velocity, original_velocity, new_velocity;
+ trace_t trace;
+ blocked = 0;
+ VectorCopy(ent->v->velocity, original_velocity);
+ VectorCopy(ent->v->velocity, primal_velocity);
+ numplanes = 0;
+ time_left = time;
hackongroundentity = NULL;
- if (sv_newflymove.integer)
+ for (bumpcount = 0;bumpcount < 8;bumpcount++)
{
- int impact;
- vec3_t end, primal_velocity;
- trace_t trace;
-
- blocked = 0;
- VectorCopy (ent->v->velocity, primal_velocity);
+ if (!ent->v->velocity[0] && !ent->v->velocity[1] && !ent->v->velocity[2])
+ break;
- for (bumpcount = 0;bumpcount < 8;bumpcount++)
+ VectorMA(ent->v->origin, time_left, ent->v->velocity, end);
+ trace = SV_Move(ent->v->origin, ent->v->mins, ent->v->maxs, end, MOVE_NORMAL, ent);
+#if 0
+ //if (trace.fraction < 0.002)
{
- //Con_Printf("entity %i bump %i: blocked %i velocity %f %f %f\n", ent - sv.edicts, bumpcount, blocked, ent->v->velocity[0], ent->v->velocity[1], ent->v->velocity[2]);
- if (!ent->v->velocity[0] && !ent->v->velocity[1] && !ent->v->velocity[2])
- break;
-
- VectorMA(ent->v->origin, time, ent->v->velocity, end);
- trace = SV_Move (ent->v->origin, ent->v->mins, ent->v->maxs, end, MOVE_NORMAL, ent);
- //Con_Printf("trace %f %f %f : %f : %f %f %f\n", trace.endpos[0], trace.endpos[1], trace.endpos[2], trace.fraction, trace.plane.normal[0], trace.plane.normal[1], trace.plane.normal[2]);
-
- /*
- if (trace.startsolid)
- {
- // LordHavoc: note: this code is what makes entities stick in place if embedded in another object (which can be the world)
- // entity is trapped in another solid
- VectorClear(ent->v->velocity);
- return 3;
- }
- */
-
- if (trace.fraction >= 0.001)
- {
- // actually covered some distance
- VectorCopy (trace.endpos, ent->v->origin);
- }
-
- // break if it moved the entire distance
- if (trace.fraction == 1)
- break;
-
- if (!trace.ent)
- Host_Error ("SV_FlyMove: !trace.ent");
-
- if ((int) ent->v->flags & FL_ONGROUND)
+#if 1
+ vec3_t start;
+ trace_t testtrace;
+ VectorCopy(ent->v->origin, start);
+ start[2] += 3;//0.03125;
+ VectorMA(ent->v->origin, time_left, ent->v->velocity, end);
+ end[2] += 3;//0.03125;
+ testtrace = SV_Move(start, ent->v->mins, ent->v->maxs, end, MOVE_NORMAL, ent);
+ if (trace.fraction < testtrace.fraction && !testtrace.startsolid && (testtrace.fraction == 1 || DotProduct(trace.plane.normal, ent->v->velocity) < DotProduct(testtrace.plane.normal, ent->v->velocity)))
{
- if (ent->v->groundentity == EDICT_TO_PROG(trace.ent))
- impact = false;
- else
- {
- ent->v->flags = (int)ent->v->flags & ~FL_ONGROUND;
- impact = true;
- }
+ Con_Printf("got further (new %f > old %f)\n", testtrace.fraction, trace.fraction);
+ trace = testtrace;
}
- else
- impact = true;
-
- if (trace.plane.normal[2])
+#endif
+#if 0
+ //j = -1;
+ for (i = 0;i < numplanes;i++)
{
- if (trace.plane.normal[2] > 0.7)
+ VectorCopy(ent->v->origin, start);
+ VectorMA(ent->v->origin, time_left, ent->v->velocity, end);
+ VectorMA(start, 3, planes[i], start);
+ VectorMA(end, 3, planes[i], end);
+ testtrace = SV_Move(start, ent->v->mins, ent->v->maxs, end, MOVE_NORMAL, ent);
+ if (trace.fraction < testtrace.fraction)
{
- // floor
- blocked |= 1;
- ent->v->flags = (int)ent->v->flags | FL_ONGROUND;
- ent->v->groundentity = EDICT_TO_PROG(trace.ent);
+ trace = testtrace;
+ VectorCopy(start, ent->v->origin);
+ //j = i;
}
- else if (trace.fraction < 0.001)
- hackongroundentity = trace.ent;
- }
- else
- {
- // step
- blocked |= 2;
- // save the trace for player extrafriction
- if (stepnormal)
- VectorCopy(trace.plane.normal, stepnormal);
- }
-
- // run the impact function
- if (impact)
- {
- SV_Impact (ent, trace.ent);
-
- // break if removed by the impact function
- if (ent->e->free)
- break;
- }
-
- time *= 1 - trace.fraction;
-
- ClipVelocity (ent->v->velocity, trace.plane.normal, ent->v->velocity, 1);
-
- // if original velocity is against the original velocity,
- // stop dead to avoid tiny occilations in sloping corners
- if (DotProduct (ent->v->velocity, primal_velocity) < 0)
- {
- VectorClear(ent->v->velocity);
- break;
}
+ //if (j >= 0)
+ // VectorAdd(ent->v->origin, planes[j], start);
+#endif
}
- }
- else
- {
- int i, j, impact, numplanes;
- float d, time_left;
- vec3_t dir, end, planes[MAX_CLIP_PLANES], primal_velocity, original_velocity, new_velocity;
- trace_t trace;
-
- blocked = 0;
- VectorCopy (ent->v->velocity, original_velocity);
- VectorCopy (ent->v->velocity, primal_velocity);
- numplanes = 0;
+#endif
- time_left = time;
+#if 0
+ Con_Printf("entity %i bump %i: velocity %f %f %f trace %f", ent - sv.edicts, bumpcount, ent->v->velocity[0], ent->v->velocity[1], ent->v->velocity[2], trace.fraction);
+ if (trace.fraction < 1)
+ Con_Printf(" : %f %f %f", trace.plane.normal[0], trace.plane.normal[1], trace.plane.normal[2]);
+ Con_Printf("\n");
+#endif
- for (bumpcount = 0;bumpcount < 8;bumpcount++)
+ /*
+ if (trace.startsolid)
{
- //Con_Printf("entity %i bump %i: blocked %i velocity %f %f %f\n", ent - sv.edicts, bumpcount, blocked, ent->v->velocity[0], ent->v->velocity[1], ent->v->velocity[2]);
- if (!ent->v->velocity[0] && !ent->v->velocity[1] && !ent->v->velocity[2])
- break;
-
- for (i=0 ; i<3 ; i++)
- end[i] = ent->v->origin[i] + time_left * ent->v->velocity[i];
+ // LordHavoc: note: this code is what makes entities stick in place if embedded in another object (which can be the world)
+ // entity is trapped in another solid
+ VectorClear(ent->v->velocity);
+ return 3;
+ }
+ */
- trace = SV_Move (ent->v->origin, ent->v->mins, ent->v->maxs, end, MOVE_NORMAL, ent);
+ // break if it moved the entire distance
+ if (trace.fraction == 1)
+ {
+ VectorCopy(trace.endpos, ent->v->origin);
+ break;
+ }
- /*
- if (trace.startsolid)
- {
- // LordHavoc: note: this code is what makes entities stick in place if embedded in another object (which can be the world)
- // entity is trapped in another solid
- VectorClear(ent->v->velocity);
- return 3;
- }
- */
+ if (!trace.ent)
+ Host_Error("SV_FlyMove: !trace.ent");
- if (trace.fraction > 0)
+ if ((int) ent->v->flags & FL_ONGROUND)
+ {
+ if (ent->v->groundentity == EDICT_TO_PROG(trace.ent))
+ impact = false;
+ else
{
- // actually covered some distance
- VectorCopy (trace.endpos, ent->v->origin);
- VectorCopy (ent->v->velocity, original_velocity);
- numplanes = 0;
+ ent->v->flags = (int)ent->v->flags & ~FL_ONGROUND;
+ impact = true;
}
+ }
+ else
+ impact = true;
- // break if it moved the entire distance
- if (trace.fraction == 1)
- break;
-
- if (!trace.ent)
- Host_Error ("SV_FlyMove: !trace.ent");
-
- if ((int) ent->v->flags & FL_ONGROUND)
+ if (trace.plane.normal[2])
+ {
+ if (trace.plane.normal[2] > 0.7)
{
- if (ent->v->groundentity == EDICT_TO_PROG(trace.ent))
- impact = false;
- else
- {
- ent->v->flags = (int)ent->v->flags & ~FL_ONGROUND;
- impact = true;
- }
+ // floor
+ blocked |= 1;
+ ent->v->flags = (int)ent->v->flags | FL_ONGROUND;
+ ent->v->groundentity = EDICT_TO_PROG(trace.ent);
}
- else
- impact = true;
+ else if (trace.fraction < 0.001)
+ hackongroundentity = trace.ent;
+ }
+ else
+ {
+ // step
+ blocked |= 2;
+ // save the trace for player extrafriction
+ if (stepnormal)
+ VectorCopy(trace.plane.normal, stepnormal);
+ }
- if (trace.plane.normal[2])
- {
- if (trace.plane.normal[2] > 0.7)
- {
- // floor
- blocked |= 1;
- ent->v->flags = (int)ent->v->flags | FL_ONGROUND;
- ent->v->groundentity = EDICT_TO_PROG(trace.ent);
- }
- else if (trace.fraction < 0.001)
- hackongroundentity = trace.ent;
- }
- else
- {
- // step
- blocked |= 2;
- // save the trace for player extrafriction
- if (stepnormal)
- VectorCopy(trace.plane.normal, stepnormal);
- }
+ if (trace.fraction >= 0.001)
+ {
+ // actually covered some distance
+ VectorCopy(trace.endpos, ent->v->origin);
+ VectorCopy(ent->v->velocity, original_velocity);
+ numplanes = 0;
+ }
- // run the impact function
- if (impact)
- {
- SV_Impact (ent, trace.ent);
+ // run the impact function
+ if (impact)
+ {
+ SV_Impact(ent, trace.ent);
- // break if removed by the impact function
- if (ent->e->free)
- break;
- }
+ // break if removed by the impact function
+ if (ent->e->free)
+ break;
+ }
+ time_left *= 1 - trace.fraction;
- time_left -= time_left * trace.fraction;
+ // clipped to another plane
+ if (numplanes >= MAX_CLIP_PLANES)
+ {
+ // this shouldn't really happen
+ VectorClear(ent->v->velocity);
+ blocked = 3;
+ break;
+ }
- // clipped to another plane
- if (numplanes >= MAX_CLIP_PLANES)
- {
- // this shouldn't really happen
- VectorClear(ent->v->velocity);
- blocked = 3;
+ /*
+ for (i = 0;i < numplanes;i++)
+ if (DotProduct(trace.plane.normal, planes[i]) > 0.99)
break;
- }
+ if (i < numplanes)
+ {
+ VectorAdd(ent->v->velocity, trace.plane.normal, ent->v->velocity);
+ continue;
+ }
+ */
- VectorCopy (trace.plane.normal, planes[numplanes]);
- numplanes++;
+ VectorCopy(trace.plane.normal, planes[numplanes]);
+ numplanes++;
+ if (sv_newflymove.integer)
+ ClipVelocity(ent->v->velocity, trace.plane.normal, ent->v->velocity, 1);
+ else
+ {
// modify original_velocity so it parallels all of the clip planes
- for (i=0 ; i<numplanes ; i++)
+ for (i = 0;i < numplanes;i++)
{
- ClipVelocity (original_velocity, planes[i], new_velocity, 1);
- for (j=0 ; j<numplanes ; j++)
+ ClipVelocity(original_velocity, planes[i], new_velocity, 1);
+ for (j = 0;j < numplanes;j++)
+ {
if (j != i)
{
// not ok
- if (DotProduct (new_velocity, planes[j]) < 0)
+ if (DotProduct(new_velocity, planes[j]) < 0)
break;
}
+ }
if (j == numplanes)
break;
}
if (i != numplanes)
{
// go along this plane
- VectorCopy (new_velocity, ent->v->velocity);
+ VectorCopy(new_velocity, ent->v->velocity);
}
else
{
blocked = 7;
break;
}
- CrossProduct (planes[0], planes[1], dir);
+ CrossProduct(planes[0], planes[1], dir);
// LordHavoc: thanks to taniwha of QuakeForge for pointing out this fix for slowed falling in corners
VectorNormalize(dir);
- d = DotProduct (dir, ent->v->velocity);
- VectorScale (dir, d, ent->v->velocity);
+ d = DotProduct(dir, ent->v->velocity);
+ VectorScale(dir, d, ent->v->velocity);
}
+ }
- // if original velocity is against the original velocity,
- // stop dead to avoid tiny occilations in sloping corners
- if (DotProduct (ent->v->velocity, primal_velocity) <= 0)
- {
- VectorClear(ent->v->velocity);
- break;
- }
+ // if original velocity is against the original velocity,
+ // stop dead to avoid tiny occilations in sloping corners
+ if (DotProduct(ent->v->velocity, primal_velocity) <= 0)
+ {
+ VectorClear(ent->v->velocity);
+ break;
}
}
{
// LordHavoc: fix the 'fall to your death in a wedge corner' glitch
// flag ONGROUND if there's ground under it
- trace = SV_Move (ent->v->origin, ent->v->mins, ent->v->maxs, end, MOVE_NORMAL, ent);
+ trace = SV_Move(ent->v->origin, ent->v->mins, ent->v->maxs, end, MOVE_NORMAL, ent);
}
*/
return blocked;