// (type *)STRUCT_FROM_LINK(link_t *link, type, member)
// ent = STRUCT_FROM_LINK(link,entity_t,order)
// FIXME: remove this mess!
-//#define STRUCT_FROM_LINK(l,t,m) ((t *)((byte *)l - (int)&(((t *)0)->m)))
+//#define STRUCT_FROM_LINK(l,t,m) ((t *)((qbyte *)l - (int)&(((t *)0)->m)))
-#define EDICT_FROM_AREA(l) ((edict_t *)((byte *)l - (int)&(((edict_t *)0)->area)))
+#define EDICT_FROM_AREA(l) ((edict_t *)((qbyte *)l - (int)&(((edict_t *)0)->area)))
//============================================================================
box_planes[i].type = i>>1;
box_planes[i].normal[i>>1] = 1;
}
-
+
}
if (trace.startsolid)
return sv.edicts;
-
+
return NULL;
}
trace_t SV_ClipMoveToEntity (edict_t *ent, vec3_t start, vec3_t mins, vec3_t maxs, vec3_t end)
{
trace_t trace;
- vec3_t offset, start_l, end_l;
- double startd[3], endd[3];
+ vec3_t offset, forward, left, up;
+ double startd[3], endd[3], tempd[3];
hull_t *hull;
// fill in a default trace
memset (&trace, 0, sizeof(trace_t));
trace.fraction = 1;
trace.allsolid = true;
- VectorCopy (end, trace.endpos);
// get the clipping hull
hull = SV_HullForEntity (ent, mins, maxs, offset);
- VectorSubtract (start, offset, start_l);
- VectorSubtract (end, offset, end_l);
+ VectorSubtract(start, offset, startd);
+ VectorSubtract(end, offset, endd);
-// LordHavoc: enabling rotating bmodels
// rotate start and end into the models frame of reference
if (ent->v.solid == SOLID_BSP && (ent->v.angles[0] || ent->v.angles[1] || ent->v.angles[2]))
{
- vec3_t forward, right, up;
- vec3_t temp;
-
- AngleVectors (ent->v.angles, forward, right, up);
-
- VectorCopy (start_l, temp);
- start_l[0] = DotProduct (temp, forward);
- start_l[1] = -DotProduct (temp, right);
- start_l[2] = DotProduct (temp, up);
-
- VectorCopy (end_l, temp);
- end_l[0] = DotProduct (temp, forward);
- end_l[1] = -DotProduct (temp, right);
- end_l[2] = DotProduct (temp, up);
+ AngleVectorsFLU (ent->v.angles, forward, left, up);
+ VectorCopy(startd, tempd);
+ startd[0] = DotProduct (tempd, forward);
+ startd[1] = DotProduct (tempd, left);
+ startd[2] = DotProduct (tempd, up);
+ VectorCopy(endd, tempd);
+ endd[0] = DotProduct (tempd, forward);
+ endd[1] = DotProduct (tempd, left);
+ endd[2] = DotProduct (tempd, up);
}
- VectorCopy(start_l, startd);
- VectorCopy(end_l, endd);
+ VectorCopy(end, trace.endpos);
// trace a line through the appropriate clipping hull
VectorCopy(startd, RecursiveHullCheckInfo.start);
RecursiveHullCheckInfo.trace = &trace;
SV_RecursiveHullCheck (hull->firstclipnode, 0, 1, startd, endd);
-// LordHavoc: enabling rotating bmodels
- // rotate endpos back to world frame of reference
- if (ent->v.solid == SOLID_BSP && (ent->v.angles[0] || ent->v.angles[1] || ent->v.angles[2]))
+ // if we hit, unrotate endpos and normal, and store the entity we hit
+ if (trace.fraction != 1)
{
- vec3_t a;
- vec3_t forward, right, up;
- vec3_t temp;
-
- if (trace.fraction != 1)
+ // rotate endpos back to world frame of reference
+ if (ent->v.solid == SOLID_BSP && (ent->v.angles[0] || ent->v.angles[1] || ent->v.angles[2]))
{
- VectorNegate (ent->v.angles, a);
- AngleVectors (a, forward, right, up);
-
- VectorCopy (trace.endpos, temp);
- trace.endpos[0] = DotProduct (temp, forward);
- trace.endpos[1] = -DotProduct (temp, right);
- trace.endpos[2] = DotProduct (temp, up);
-
- VectorCopy (trace.plane.normal, temp);
- trace.plane.normal[0] = DotProduct (temp, forward);
- trace.plane.normal[1] = -DotProduct (temp, right);
- trace.plane.normal[2] = DotProduct (temp, up);
+ VectorNegate (ent->v.angles, offset);
+ AngleVectorsFLU (offset, forward, left, up);
+
+ VectorCopy (trace.endpos, tempd);
+ trace.endpos[0] = DotProduct (tempd, forward);
+ trace.endpos[1] = DotProduct (tempd, left);
+ trace.endpos[2] = DotProduct (tempd, up);
+
+ VectorCopy (trace.plane.normal, tempd);
+ trace.plane.normal[0] = DotProduct (tempd, forward);
+ trace.plane.normal[1] = DotProduct (tempd, left);
+ trace.plane.normal[2] = DotProduct (tempd, up);
}
- }
-
-// fix trace up by the offset
- if (trace.fraction != 1)
+ // fix offset
VectorAdd (trace.endpos, offset, trace.endpos);
-
-// did we clip the move?
- if (trace.fraction < 1 || trace.startsolid )
+ trace.ent = ent;
+ }
+ else if (trace.allsolid || trace.startsolid)
trace.ent = ent;
return trace;
trace_t trace;
loc0:
+ if (clip->trace.allsolid)
+ return;
// touch linked edicts
for (l = node->solid_edicts.next ; l != &node->solid_edicts ; l = next)
{
if (touch == clip->passedict)
continue;
if (touch->v.solid == SOLID_TRIGGER)
- Sys_Error ("Trigger in clipping list");
+ Host_Error ("Trigger in clipping list");
if (clip->type == MOVE_NOMONSTERS && touch->v.solid != SOLID_BSP)
continue;
if (clip->boxmins[0] > touch->v.absmax[0]
- || clip->boxmins[1] > touch->v.absmax[1]
- || clip->boxmins[2] > touch->v.absmax[2]
|| clip->boxmaxs[0] < touch->v.absmin[0]
+ || clip->boxmins[1] > touch->v.absmax[1]
|| clip->boxmaxs[1] < touch->v.absmin[1]
+ || clip->boxmins[2] > touch->v.absmax[2]
|| clip->boxmaxs[2] < touch->v.absmin[2])
continue;
- if (clip->passedict != NULL && clip->passedict->v.size[0] && !touch->v.size[0])
- continue; // points never interact
-
- // might intersect, so do an exact clip
- if (clip->trace.allsolid)
- return;
if (clip->passedict)
{
+ if (clip->passedict->v.size[0] && !touch->v.size[0])
+ continue; // points never interact
if (PROG_TO_EDICT(touch->v.owner) == clip->passedict)
continue; // don't clip against own missiles
if (PROG_TO_EDICT(clip->passedict->v.owner) == touch)
continue; // don't clip against owner
// LordHavoc: corpse code
- if (clip->passedict->v.solid == SOLID_CORPSE && touch->v.solid == SOLID_SLIDEBOX)
+ if (clip->passedict->v.solid == SOLID_CORPSE && (touch->v.solid == SOLID_SLIDEBOX || touch->v.solid == SOLID_CORPSE))
continue;
if (clip->passedict->v.solid == SOLID_SLIDEBOX && touch->v.solid == SOLID_CORPSE)
continue;
}
+ // might interact, so do an exact clip
if ((int)touch->v.flags & FL_MONSTER)
trace = SV_ClipMoveToEntity (touch, clip->start, clip->mins2, clip->maxs2, clip->end);
else
trace = SV_ClipMoveToEntity (touch, clip->start, clip->mins, clip->maxs, clip->end);
- if (trace.allsolid || trace.startsolid || trace.fraction < clip->trace.fraction)
+ // LordHavoc: take the 'best' answers from the new trace and combine with existing data
+ if (trace.allsolid)
+ clip->trace.allsolid = true;
+ if (trace.startsolid)
+ {
+ clip->trace.startsolid = true;
+ if (!clip->trace.ent)
+ clip->trace.ent = trace.ent;
+ }
+ if (trace.inopen)
+ clip->trace.inopen = true;
+ if (trace.inwater)
+ clip->trace.inwater = true;
+ if (trace.fraction < clip->trace.fraction)
+ {
+ clip->trace.fraction = trace.fraction;
+ VectorCopy(trace.endpos, clip->trace.endpos);
+ clip->trace.plane = trace.plane;
+ clip->trace.endcontents = trace.endcontents;
+ clip->trace.ent = trace.ent;
+ }
+ /*
+ if (trace.allsolid)
{
- trace.ent = touch;
- if (clip->trace.startsolid)
+ clip->trace = trace;
+ return;
+ }
+ if (trace.startsolid || trace.fraction < clip->trace.fraction)
+ {
+ if (clip->trace.startsolid)
{
clip->trace = trace;
clip->trace.startsolid = true;
else
clip->trace = trace;
}
- else if (trace.startsolid)
- clip->trace.startsolid = true;
+ */
}
// recurse down both sides
memset ( &clip, 0, sizeof ( moveclip_t ) );
-// clip to world
- clip.trace = SV_ClipMoveToEntity ( sv.edicts, start, mins, maxs, end );
-
clip.start = start;
clip.end = end;
clip.mins = mins;
}
else
{
- VectorCopy (mins, clip.mins2);
- VectorCopy (maxs, clip.maxs2);
+ VectorCopy (clip.mins, clip.mins2);
+ VectorCopy (clip.maxs, clip.maxs2);
}
-// create the bounding box of the entire move
- SV_MoveBounds ( start, clip.mins2, clip.maxs2, end, clip.boxmins, clip.boxmaxs );
+ // clip to world
+ clip.trace = SV_ClipMoveToEntity (sv.edicts, start, mins, maxs, end);
+
+ // clip to entities
+ if (!clip.trace.allsolid)
+ {
+ // create the bounding box of the entire move
+ SV_MoveBounds ( start, clip.mins2, clip.maxs2, end, clip.boxmins, clip.boxmaxs );
-// clip to entities
- SV_ClipToLinks ( sv_areanodes, &clip );
+ SV_ClipToLinks ( sv_areanodes, &clip );
+ }
return clip.trace;
}