This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
*/
+/*
+typedef struct link_s
+{
+ struct link_s *prev, *next;
+} link_t;
+*/
+
+
+void ClearLink (link_t *l);
+void RemoveLink (link_t *l);
+void InsertLinkBefore (link_t *l, link_t *before);
+void InsertLinkAfter (link_t *l, link_t *after);
+
+// (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 EDICT_FROM_AREA(l) ((edict_t *)((byte *)l - (int)&(((edict_t *)0)->area)))
+
+//============================================================================
+
+// ClearLink is used for new headnodes
+void ClearLink (link_t *l)
+{
+ l->prev = l->next = l;
+}
+
+void RemoveLink (link_t *l)
+{
+ l->next->prev = l->prev;
+ l->prev->next = l->next;
+}
+
+void InsertLinkBefore (link_t *l, link_t *before)
+{
+ l->next = before;
+ l->prev = before->prev;
+ l->prev->next = l;
+ l->next->prev = l;
+}
+void InsertLinkAfter (link_t *l, link_t *after)
+{
+ l->next = after->next;
+ l->prev = after;
+ l->prev->next = l;
+ l->next->prev = l;
+}
+
typedef struct
{
VectorSubtract (ent->v.mins, maxs, hullmins);
VectorSubtract (ent->v.maxs, mins, hullmaxs);
hull = SV_HullForBox (hullmins, hullmaxs);
-
+
VectorCopy (ent->v.origin, offset);
}
ClearLink (&anode->trigger_edicts);
ClearLink (&anode->solid_edicts);
-
+
if (depth == AREA_DEPTH)
{
anode->axis = -1;
anode->children[0] = anode->children[1] = NULL;
return anode;
}
-
+
VectorSubtract (maxs, mins, size);
if (size[0] > size[1])
anode->axis = 0;
else
anode->axis = 1;
-
+
anode->dist = 0.5 * (maxs[anode->axis] + mins[anode->axis]);
- VectorCopy (mins, mins1);
- VectorCopy (mins, mins2);
- VectorCopy (maxs, maxs1);
- VectorCopy (maxs, maxs2);
-
+ VectorCopy (mins, mins1);
+ VectorCopy (mins, mins2);
+ VectorCopy (maxs, maxs1);
+ VectorCopy (maxs, maxs2);
+
maxs1[anode->axis] = mins2[anode->axis] = anode->dist;
-
+
anode->children[0] = SV_CreateAreaNode (depth+1, mins2, maxs2);
anode->children[1] = SV_CreateAreaNode (depth+1, mins1, maxs1);
void SV_ClearWorld (void)
{
SV_InitBoxHull ();
-
+
memset (sv_areanodes, 0, sizeof(sv_areanodes));
sv_numareanodes = 0;
SV_CreateAreaNode (0, sv.worldmodel->mins, sv.worldmodel->maxs);
if (!touch->v.touch || touch->v.solid != SOLID_TRIGGER)
continue;
if (ent->v.absmin[0] > touch->v.absmax[0]
- || ent->v.absmin[1] > touch->v.absmax[1]
- || ent->v.absmin[2] > touch->v.absmax[2]
- || ent->v.absmax[0] < touch->v.absmin[0]
- || ent->v.absmax[1] < touch->v.absmin[1]
- || ent->v.absmax[2] < touch->v.absmin[2] )
+ || ent->v.absmin[1] > touch->v.absmax[1]
+ || ent->v.absmin[2] > touch->v.absmax[2]
+ || ent->v.absmax[0] < touch->v.absmin[0]
+ || ent->v.absmax[1] < touch->v.absmin[1]
+ || ent->v.absmax[2] < touch->v.absmin[2])
continue;
old_self = pr_global_struct->self;
old_other = pr_global_struct->other;
pr_global_struct->self = old_self;
pr_global_struct->other = old_other;
}
-
+
// recurse down both sides
if (node->axis == -1)
return;
-
+
// LordHavoc: optimized recursion
// if (ent->v.absmax[node->axis] > node->dist) SV_TouchLinks (ent, node->children[0]);
// if (ent->v.absmin[node->axis] < node->dist) SV_TouchLinks (ent, node->children[1]);
*/
void SV_FindTouchedLeafs (edict_t *ent, mnode_t *node)
{
- mplane_t *splitplane;
- mleaf_t *leaf;
- int sides;
- int leafnum;
-
loc0:
if (node->contents == CONTENTS_SOLID)
return;
-
+
// add an efrag if the node is a leaf
if ( node->contents < 0)
return;
}
- leaf = (mleaf_t *)node;
- leafnum = leaf - sv.worldmodel->leafs - 1;
-
- ent->leafnums[ent->num_leafs] = leafnum;
- ent->num_leafs++;
+ ent->leafnums[ent->num_leafs++] = (mleaf_t *)node - sv.worldmodel->leafs - 1;
return;
}
-
-// NODE_MIXED
- splitplane = node->plane;
- sides = BOX_ON_PLANE_SIDE(ent->v.absmin, ent->v.absmax, splitplane);
-
// recurse down the contacted sides
- // LordHavoc: optimized recursion
+
+// sides = BOX_ON_PLANE_SIDE(ent->v.absmin, ent->v.absmax, node->plane);
// if (sides & 1) SV_FindTouchedLeafs (ent, node->children[0]);
// if (sides & 2) SV_FindTouchedLeafs (ent, node->children[1]);
- switch (sides)
+
+ // LordHavoc: optimized recursion
+ switch (BOX_ON_PLANE_SIDE(ent->v.absmin, ent->v.absmax, node->plane))
{
case 1:
node = node->children[0];
// LordHavoc: enabling rotating bmodels
if (ent->v.solid == SOLID_BSP && (ent->v.angles[0] || ent->v.angles[1] || ent->v.angles[2]))
- { // expand for rotation
+ {
+ // expand for rotation
float max, v;
int i;
}
else
{
- VectorAdd (ent->v.origin, ent->v.mins, ent->v.absmin);
+ VectorAdd (ent->v.origin, ent->v.mins, ent->v.absmin);
VectorAdd (ent->v.origin, ent->v.maxs, ent->v.absmax);
}
ent->v.absmax[1] += 15;
}
else
- { // because movement is clipped an epsilon away from an actual edge,
+ {
+ // because movement is clipped an epsilon away from an actual edge,
// we must fully check even when bounding boxes don't quite touch
ent->v.absmin[0] -= 1;
ent->v.absmin[1] -= 1;
break; // crosses the node
}
-// link it in
+// link it in
if (ent->v.solid == SOLID_TRIGGER)
InsertLinkBefore (&ent->area, &node->trigger_edicts);
else
InsertLinkBefore (&ent->area, &node->solid_edicts);
-
+
// if touch_triggers, touch all entities at this node and descend for more
if (touch_triggers)
SV_TouchLinks ( ent, sv_areanodes );
{
while (num >= 0)
num = hull->clipnodes[num].children[(hull->planes[hull->clipnodes[num].planenum].type < 3 ? p[hull->planes[hull->clipnodes[num].planenum].type] : DotProduct (hull->planes[hull->clipnodes[num].planenum].normal, p)) < hull->planes[hull->clipnodes[num].planenum].dist];
-
+
return num;
}
trace_t trace;
trace = SV_Move (ent->v.origin, ent->v.mins, ent->v.maxs, ent->v.origin, 0, ent);
-
+
if (trace.startsolid)
return sv.edicts;
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->boxmaxs[1] < touch->v.absmin[1]
- || clip->boxmaxs[2] < touch->v.absmin[2] )
+ || clip->boxmins[1] > touch->v.absmax[1]
+ || clip->boxmins[2] > touch->v.absmax[2]
+ || clip->boxmaxs[0] < touch->v.absmin[0]
+ || clip->boxmaxs[1] < touch->v.absmin[1]
+ || clip->boxmaxs[2] < touch->v.absmin[2])
continue;
- if (clip->passedict!=0 && clip->passedict->v.size[0] && !touch->v.size[0])
+ if (clip->passedict != NULL && clip->passedict->v.size[0] && !touch->v.size[0])
continue; // points never interact
// might intersect, so do an exact clip
else if (trace.startsolid)
clip->trace.startsolid = true;
}
-
+
// recurse down both sides
if (node->axis == -1)
return;