// (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;
}
*/
// 1/32 epsilon to keep floating point happy
-//#define DIST_EPSILON (0.03125)
-#define DIST_EPSILON (0.125)
+#define DIST_EPSILON (0.03125)
#define HULLCHECKSTATE_EMPTY 0
#define HULLCHECKSTATE_SOLID 1
}
frac = t1 / (t1 - t2);
- frac = bound(0.0f, frac, 1.0f);
+ frac = bound(0.0f, frac, 1.0);
RHC.trace->fraction = frac;
RHC.trace->endpos[0] = RHC.start[0] + frac * RHC.dist[0];
RHC.trace->endpos[2] = RHC.start[2] + frac * RHC.dist[2];
}
-int SV_RecursiveHullCheck (int num, float p1f, float p2f, vec3_t p1, vec3_t p2)
+int SV_RecursiveHullCheck (int num, double p1f, double p2f, double p1[3], double p2[3])
{
dclipnode_t *node;
- vec3_t mid;
int side;
- float midf;
+ double midf, mid[3];
// LordHavoc: FIXME: this is not thread safe... if threading matters here,
// remove the static prefixes
static int ret;
static mplane_t *plane;
- static float t1, t2, frac;
+ static double t1, t2, frac;
// LordHavoc: a goto! everyone flee in terror... :)
loc0:
}
frac = t1 / (t1 - t2);
- frac = bound(0.0f, frac, 1.0f);
+ frac = bound(0.0f, frac, 1.0);
midf = p1f + ((p2f - p1f) * frac);
mid[0] = RHC.start[0] + midf * RHC.dist[0];
return HULLCHECKSTATE_DONE;
}
-/*
-qboolean SV_RecursiveHullCheckContentBoundary (hull_t *hull, int num, float p1f, float p2f, vec3_t p1, vec3_t p2, trace_t *trace)
-{
- dclipnode_t *node;
- mplane_t *plane;
- float t1, t2;
- float frac;
- int i;
- vec3_t mid;
- int side;
- float midf;
-
- // LordHavoc: a goto! everyone flee in terror... :)
-loc0:
-// check for empty
- if (num < 0)
- {
- if (num != trace->startcontents)
- trace->startsolid = true;
- else
- trace->allsolid = false;
- return true; // empty
- }
-
-// find the point distances
- node = hull->clipnodes + num;
- plane = hull->planes + node->planenum;
-
- if (plane->type < 3)
- {
- t1 = p1[plane->type] - plane->dist;
- t2 = p2[plane->type] - plane->dist;
- }
- else
- {
- t1 = DotProduct (plane->normal, p1) - plane->dist;
- t2 = DotProduct (plane->normal, p2) - plane->dist;
- }
-
- // LordHavoc: rearranged the side/frac code
- // LordHavoc: recursion optimization
- if (t1 >= 0)
- {
- if (t2 >= 0)
- {
- num = node->children[0];
- goto loc0;
- }
- // put the crosspoint DIST_EPSILON pixels on the near side
- side = 0;
- }
- else
- {
- if (t2 < 0)
- {
- num = node->children[1];
- goto loc0;
- }
- // put the crosspoint DIST_EPSILON pixels on the near side
- side = 1;
- }
-
- frac = t1 / (t1 - t2);
- frac = bound(0.0f, frac, 1.0f);
-
- midf = p1f + ((p2f - p1f) * frac);
- mid[0] = p1[0] + ((p2[0] - p1[0]) * frac);
- mid[1] = p1[1] + ((p2[1] - p1[1]) * frac);
- mid[2] = p1[2] + ((p2[2] - p1[2]) * frac);
-
-// move up to the node
- if (!SV_RecursiveHullCheck (hull, node->children[side], p1f, midf, p1, mid, trace) )
- return false;
-
-*/
- /*
-#ifdef PARANOID
- if (SV_HullPointContents (pm_hullmodel, mid, node->children[side]) != trace->startcontents)
- {
- Con_Printf ("mid PointInHullSolid\n");
- return false;
- }
-#endif
- */
-/*
-
- // LordHavoc: warning to the clumsy, this recursion can not be optimized because mid would need to be duplicated on a stack
- if (SV_HullPointContents (hull, node->children[side^1], mid) == trace->startcontents)
-// go past the node
- return SV_RecursiveHullCheck (hull, node->children[side^1], midf, p2f, mid, p2, trace);
-
- if (trace->allsolid)
- return false; // never got out of the solid area
-
-//==================
-// the other side of the node is solid, this is the impact point
-//==================
- if (!side)
- {
- VectorCopy (plane->normal, trace->plane.normal);
- trace->plane.dist = plane->dist;
- }
- else
- {
- VectorNegate (plane->normal, trace->plane.normal);
- trace->plane.dist = -plane->dist;
- }
-
-*/
- /*
- while (SV_HullPointContents (hull, hull->firstclipnode, mid) != trace->startcontents)
- {
- // shouldn't really happen, but does occasionally
- frac -= 0.1;
- if (frac < 0)
- {
- trace->fraction = midf;
- VectorCopy (mid, trace->endpos);
- Con_DPrintf ("backup past 0\n");
- return false;
- }
- midf = p1f + (p2f - p1f)*frac;
- mid[0] = p1[0] + frac*(p2[0] - p1[0]);
- mid[1] = p1[1] + frac*(p2[1] - p1[1]);
- mid[2] = p1[2] + frac*(p2[2] - p1[2]);
- }
- */
-/*
-
- frac = t1;
- if (side)
- frac += DIST_EPSILON;
- else
- frac -= DIST_EPSILON;
-
- frac /= (t1 - t2);
- frac = bound(0.0f, frac, 1.0f);
-
- trace->fraction = p1f + (p2f - p1f)*frac;
- trace->endpos[0] = p1[0] + frac*(p2[0] - p1[0]);
- trace->endpos[1] = p1[1] + frac*(p2[1] - p1[1]);
- trace->endpos[2] = p1[2] + frac*(p2[2] - p1[2]);
-
- return false;
-}
-*/
-
-/*
-// FIXME: this is broken and I'm not interested in figuring out what is broken about it right now
-qboolean SV_TestLine (hull_t *hull, int num, vec3_t p1, vec3_t p2)
-{
- dclipnode_t *node;
- mplane_t *plane;
- float t1, t2, frac;
- vec3_t mid;
- int side;
-
-loc0:
-// check for empty
- if (num < 0)
- return num != CONTENTS_SOLID;
-
- if (num < hull->firstclipnode || num > hull->lastclipnode)
- Sys_Error ("SV_RecursiveHullCheck: bad node number");
-
-//
-// find the point distances
-//
- node = hull->clipnodes + num;
- if (node->children[0] < 0)
- {
- if (node->children[0] == CONTENTS_SOLID)
- return false;
- if (node->children[1] < 0)
- return node->children[1] != CONTENTS_SOLID;
- }
- else if (node->children[1] == CONTENTS_SOLID)
- return false;
-
- plane = hull->planes + node->planenum;
-
- if (plane->type < 3)
- {
- t1 = p1[plane->type] - plane->dist;
- t2 = p2[plane->type] - plane->dist;
- }
- else
- {
- t1 = DotProduct (plane->normal, p1) - plane->dist;
- t2 = DotProduct (plane->normal, p2) - plane->dist;
- }
-
- if (t1 >= 0)
- {
- if (t2 >= 0)
- {
- num = node->children[0];
- goto loc0;
- }
- side = 0;
- }
- else
- {
- if (t2 < 0)
- {
- num = node->children[1];
- goto loc0;
- }
- side = 1;
- }
-
- if (node->children[side] < 0)
- {
- if (node->children[side] == CONTENTS_SOLID)
- return false;
-
- if (node->children[!side] < 0)
- return node->children[!side] != CONTENTS_SOLID;
- else
- {
- frac = t1 / (t1 - t2);
- frac = bound(0, frac, 1);
-
- mid[0] = p1[0] + frac*(p2[0] - p1[0]);
- mid[1] = p1[1] + frac*(p2[1] - p1[1]);
- mid[2] = p1[2] + frac*(p2[2] - p1[2]);
-
- return SV_TestLine(hull, node->children[!side], mid, p2);
- }
- }
- else
- {
- if (node->children[!side] < 0)
- {
- if (node->children[!side] == CONTENTS_SOLID)
- return false;
-
- frac = t1 / (t1 - t2);
- frac = bound(0, frac, 1);
-
- mid[0] = p1[0] + frac*(p2[0] - p1[0]);
- mid[1] = p1[1] + frac*(p2[1] - p1[1]);
- mid[2] = p1[2] + frac*(p2[2] - p1[2]);
-
- return SV_TestLine(hull, node->children[side], p1, mid);
- }
- else
- {
- frac = t1 / (t1 - t2);
- frac = bound(0, frac, 1);
-
- mid[0] = p1[0] + frac*(p2[0] - p1[0]);
- mid[1] = p1[1] + frac*(p2[1] - p1[1]);
- mid[2] = p1[2] + frac*(p2[2] - p1[2]);
-
- if (SV_TestLine(hull, node->children[side], p1, mid))
- return SV_TestLine(hull, node->children[!side], mid, p2);
- else
- return false;
- }
- }
-}
-*/
-
-
/*
==================
SV_ClipMoveToEntity
*/
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;
- vec3_t start_l, end_l;
- hull_t *hull;
+ trace_t trace;
+ 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);
}
-// trace a line through the apropriate clipping hull
- VectorCopy(start_l, RecursiveHullCheckInfo.start);
- VectorSubtract(end_l, start_l, RecursiveHullCheckInfo.dist);
+ VectorCopy(end, trace.endpos);
+
+// trace a line through the appropriate clipping hull
+ VectorCopy(startd, RecursiveHullCheckInfo.start);
+ VectorSubtract(endd, startd, RecursiveHullCheckInfo.dist);
RecursiveHullCheckInfo.hull = hull;
RecursiveHullCheckInfo.trace = &trace;
- SV_RecursiveHullCheck (hull->firstclipnode, 0, 1, start_l, end_l);
+ 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;
}
+ // 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)
+ if (trace.allsolid)
+ {
+ clip->trace = trace;
+ return;
+ }
+ if (trace.startsolid || trace.fraction < clip->trace.fraction)
{
- trace.ent = touch;
- if (clip->trace.startsolid)
+ 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
boxmaxs[0] = boxmaxs[1] = boxmaxs[2] = 9999;
#else
int i;
-
+
for (i=0 ; i<3 ; i++)
{
if (end[i] > start[i])
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
- SV_ClipToLinks ( sv_areanodes, &clip );
+ // 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 );
+
+ SV_ClipToLinks ( sv_areanodes, &clip );
+ }
return clip.trace;
}
projects / xonotic / darkplaces.git / blobdiff