]> de.git.xonotic.org Git - voretournament/voretournament.git/blobdiff - misc/mediasource/extra/netradiant-src/tools/quake3/q3map2/portals.c
Move the netradiant and fteqcc sources
[voretournament/voretournament.git] / misc / mediasource / extra / netradiant-src / tools / quake3 / q3map2 / portals.c
diff --git a/misc/mediasource/extra/netradiant-src/tools/quake3/q3map2/portals.c b/misc/mediasource/extra/netradiant-src/tools/quake3/q3map2/portals.c
deleted file mode 100644 (file)
index 2efc1db..0000000
+++ /dev/null
@@ -1,981 +0,0 @@
-/* -------------------------------------------------------------------------------
-
-Copyright (C) 1999-2007 id Software, Inc. and contributors.
-For a list of contributors, see the accompanying CONTRIBUTORS file.
-
-This file is part of GtkRadiant.
-
-GtkRadiant is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
-
-GtkRadiant 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.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with GtkRadiant; if not, write to the Free Software
-Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
-
-----------------------------------------------------------------------------------
-
-This code has been altered significantly from its original form, to support
-several games based on the Quake III Arena engine, in the form of "Q3Map2."
-
-------------------------------------------------------------------------------- */
-
-
-
-/* marker */
-#define PORTALS_C
-
-
-
-/* dependencies */
-#include "q3map2.h"
-
-
-
-/* ydnar: to fix broken portal windings */
-extern qboolean FixWinding( winding_t *w );
-
-
-int            c_active_portals;
-int            c_peak_portals;
-int            c_boundary;
-int            c_boundary_sides;
-
-/*
-===========
-AllocPortal
-===========
-*/
-portal_t *AllocPortal (void)
-{
-       portal_t        *p;
-       
-       if (numthreads == 1)
-               c_active_portals++;
-       if (c_active_portals > c_peak_portals)
-               c_peak_portals = c_active_portals;
-       
-       p = safe_malloc (sizeof(portal_t));
-       memset (p, 0, sizeof(portal_t));
-       
-       return p;
-}
-
-void FreePortal (portal_t *p)
-{
-       if (p->winding)
-               FreeWinding (p->winding);
-       if (numthreads == 1)
-               c_active_portals--;
-       free (p);
-}
-
-
-
-/*
-PortalPassable
-returns true if the portal has non-opaque leafs on both sides
-*/
-
-qboolean PortalPassable( portal_t *p )
-{
-       /* is this to global outside leaf? */
-       if( !p->onnode )
-               return qfalse;
-       
-       /* this should never happen */
-       if( p->nodes[ 0 ]->planenum != PLANENUM_LEAF ||
-               p->nodes[ 1 ]->planenum != PLANENUM_LEAF )
-               Error( "Portal_EntityFlood: not a leaf" );
-       
-       /* ydnar: added antiportal to supress portal generation for visibility blocking */
-       if( p->compileFlags & C_ANTIPORTAL )
-               return qfalse;
-       
-       /* both leaves on either side of the portal must be passable */
-       if( p->nodes[ 0 ]->opaque == qfalse && p->nodes[ 1 ]->opaque == qfalse )
-               return qtrue;
-       
-       /* otherwise this isn't a passable portal */
-       return qfalse;
-}
-
-
-
-
-int            c_tinyportals;
-int            c_badportals;   /* ydnar */
-
-/*
-=============
-AddPortalToNodes
-=============
-*/
-void AddPortalToNodes (portal_t *p, node_t *front, node_t *back)
-{
-       if (p->nodes[0] || p->nodes[1])
-               Error ("AddPortalToNode: allready included");
-
-       p->nodes[0] = front;
-       p->next[0] = front->portals;
-       front->portals = p;
-       
-       p->nodes[1] = back;
-       p->next[1] = back->portals;
-       back->portals = p;
-}
-
-
-/*
-=============
-RemovePortalFromNode
-=============
-*/
-void RemovePortalFromNode (portal_t *portal, node_t *l)
-{
-       portal_t        **pp, *t;
-       
-// remove reference to the current portal
-       pp = &l->portals;
-       while (1)
-       {
-               t = *pp;
-               if (!t)
-                       Error ("RemovePortalFromNode: portal not in leaf");     
-
-               if ( t == portal )
-                       break;
-
-               if (t->nodes[0] == l)
-                       pp = &t->next[0];
-               else if (t->nodes[1] == l)
-                       pp = &t->next[1];
-               else
-                       Error ("RemovePortalFromNode: portal not bounding leaf");
-       }
-       
-       if (portal->nodes[0] == l)
-       {
-               *pp = portal->next[0];
-               portal->nodes[0] = NULL;
-       }
-       else if (portal->nodes[1] == l)
-       {
-               *pp = portal->next[1];  
-               portal->nodes[1] = NULL;
-       }
-}
-
-//============================================================================
-
-void PrintPortal (portal_t *p)
-{
-       int                     i;
-       winding_t       *w;
-       
-       w = p->winding;
-       for (i=0 ; i<w->numpoints ; i++)
-               Sys_Printf ("(%5.0f,%5.0f,%5.0f)\n",w->p[i][0]
-               , w->p[i][1], w->p[i][2]);
-}
-
-/*
-================
-MakeHeadnodePortals
-
-The created portals will face the global outside_node
-================
-*/
-#define        SIDESPACE       8
-void MakeHeadnodePortals (tree_t *tree)
-{
-       vec3_t          bounds[2];
-       int                     i, j, n;
-       portal_t        *p, *portals[6];
-       plane_t         bplanes[6], *pl;
-       node_t *node;
-
-       node = tree->headnode;
-
-// pad with some space so there will never be null volume leafs
-       for (i=0 ; i<3 ; i++)
-       {
-               bounds[0][i] = tree->mins[i] - SIDESPACE;
-               bounds[1][i] = tree->maxs[i] + SIDESPACE;
-               if ( bounds[0][i] >= bounds[1][i] ) {
-                       Error( "Backwards tree volume" );
-               }
-       }
-       
-       tree->outside_node.planenum = PLANENUM_LEAF;
-       tree->outside_node.brushlist = NULL;
-       tree->outside_node.portals = NULL;
-       tree->outside_node.opaque = qfalse;
-
-       for (i=0 ; i<3 ; i++)
-               for (j=0 ; j<2 ; j++)
-               {
-                       n = j*3 + i;
-
-                       p = AllocPortal ();
-                       portals[n] = p;
-                       
-                       pl = &bplanes[n];
-                       memset (pl, 0, sizeof(*pl));
-                       if (j)
-                       {
-                               pl->normal[i] = -1;
-                               pl->dist = -bounds[j][i];
-                       }
-                       else
-                       {
-                               pl->normal[i] = 1;
-                               pl->dist = bounds[j][i];
-                       }
-                       p->plane = *pl;
-                       p->winding = BaseWindingForPlane (pl->normal, pl->dist);
-                       AddPortalToNodes (p, node, &tree->outside_node);
-               }
-               
-// clip the basewindings by all the other planes
-       for (i=0 ; i<6 ; i++)
-       {
-               for (j=0 ; j<6 ; j++)
-               {
-                       if (j == i)
-                               continue;
-                       ChopWindingInPlace (&portals[i]->winding, bplanes[j].normal, bplanes[j].dist, ON_EPSILON);
-               }
-       }
-}
-
-//===================================================
-
-
-/*
-================
-BaseWindingForNode
-================
-*/
-#define        BASE_WINDING_EPSILON    0.001
-#define        SPLIT_WINDING_EPSILON   0.001
-
-winding_t      *BaseWindingForNode (node_t *node)
-{
-       winding_t       *w;
-       node_t          *n;
-       plane_t         *plane;
-       vec3_t          normal;
-       vec_t           dist;
-
-       w = BaseWindingForPlane (mapplanes[node->planenum].normal
-               , mapplanes[node->planenum].dist);
-
-       // clip by all the parents
-       for (n=node->parent ; n && w ; )
-       {
-               plane = &mapplanes[n->planenum];
-
-               if (n->children[0] == node)
-               {       // take front
-                       ChopWindingInPlace (&w, plane->normal, plane->dist, BASE_WINDING_EPSILON);
-               }
-               else
-               {       // take back
-                       VectorSubtract (vec3_origin, plane->normal, normal);
-                       dist = -plane->dist;
-                       ChopWindingInPlace (&w, normal, dist, BASE_WINDING_EPSILON);
-               }
-               node = n;
-               n = n->parent;
-       }
-
-       return w;
-}
-
-//============================================================
-
-/*
-==================
-MakeNodePortal
-
-create the new portal by taking the full plane winding for the cutting plane
-and clipping it by all of parents of this node
-==================
-*/
-void MakeNodePortal (node_t *node)
-{
-       portal_t        *new_portal, *p;
-       winding_t       *w;
-       vec3_t          normal;
-       float           dist;
-       int                     side;
-
-       w = BaseWindingForNode (node);
-
-       // clip the portal by all the other portals in the node
-       for (p = node->portals ; p && w; p = p->next[side])     
-       {
-               if (p->nodes[0] == node)
-               {
-                       side = 0;
-                       VectorCopy (p->plane.normal, normal);
-                       dist = p->plane.dist;
-               }
-               else if (p->nodes[1] == node)
-               {
-                       side = 1;
-                       VectorSubtract (vec3_origin, p->plane.normal, normal);
-                       dist = -p->plane.dist;
-               }
-               else
-                       Error ("CutNodePortals_r: mislinked portal");
-
-               ChopWindingInPlace (&w, normal, dist, CLIP_EPSILON);
-       }
-
-       if (!w)
-       {
-               return;
-       }
-       
-       
-       /* ydnar: adding this here to fix degenerate windings */
-       #if 0
-       if( FixWinding( w ) == qfalse )
-       {
-               c_badportals++;
-               FreeWinding( w );
-               return;
-       }
-       #endif
-       
-       if (WindingIsTiny (w))
-       {
-               c_tinyportals++;
-               FreeWinding (w);
-               return;
-       }
-
-       new_portal = AllocPortal ();
-       new_portal->plane = mapplanes[node->planenum];
-       new_portal->onnode = node;
-       new_portal->winding = w;
-       new_portal->compileFlags = node->compileFlags;
-       AddPortalToNodes (new_portal, node->children[0], node->children[1]);
-}
-
-
-/*
-==============
-SplitNodePortals
-
-Move or split the portals that bound node so that the node's
-children have portals instead of node.
-==============
-*/
-void SplitNodePortals (node_t *node)
-{
-       portal_t        *p, *next_portal, *new_portal;
-       node_t          *f, *b, *other_node;
-       int                     side;
-       plane_t         *plane;
-       winding_t       *frontwinding, *backwinding;
-
-       plane = &mapplanes[node->planenum];
-       f = node->children[0];
-       b = node->children[1];
-
-       for (p = node->portals ; p ; p = next_portal)   
-       {
-               if (p->nodes[0] == node)
-                       side = 0;
-               else if (p->nodes[1] == node)
-                       side = 1;
-               else
-                       Error ("SplitNodePortals: mislinked portal");
-               next_portal = p->next[side];
-
-               other_node = p->nodes[!side];
-               RemovePortalFromNode (p, p->nodes[0]);
-               RemovePortalFromNode (p, p->nodes[1]);
-
-//
-// cut the portal into two portals, one on each side of the cut plane
-//
-               ClipWindingEpsilon (p->winding, plane->normal, plane->dist,
-                       SPLIT_WINDING_EPSILON, &frontwinding, &backwinding);
-
-               if (frontwinding && WindingIsTiny(frontwinding))
-               {
-                       if (!f->tinyportals)
-                               VectorCopy(frontwinding->p[0], f->referencepoint);
-                       f->tinyportals++;
-                       if (!other_node->tinyportals)
-                               VectorCopy(frontwinding->p[0], other_node->referencepoint);
-                       other_node->tinyportals++;
-
-                       FreeWinding (frontwinding);
-                       frontwinding = NULL;
-                       c_tinyportals++;
-               }
-
-               if (backwinding && WindingIsTiny(backwinding))
-               {
-                       if (!b->tinyportals)
-                               VectorCopy(backwinding->p[0], b->referencepoint);
-                       b->tinyportals++;
-                       if (!other_node->tinyportals)
-                               VectorCopy(backwinding->p[0], other_node->referencepoint);
-                       other_node->tinyportals++;
-
-                       FreeWinding (backwinding);
-                       backwinding = NULL;
-                       c_tinyportals++;
-               }
-
-               if (!frontwinding && !backwinding)
-               {       // tiny windings on both sides
-                       continue;
-               }
-
-               if (!frontwinding)
-               {
-                       FreeWinding (backwinding);
-                       if (side == 0)
-                               AddPortalToNodes (p, b, other_node);
-                       else
-                               AddPortalToNodes (p, other_node, b);
-                       continue;
-               }
-               if (!backwinding)
-               {
-                       FreeWinding (frontwinding);
-                       if (side == 0)
-                               AddPortalToNodes (p, f, other_node);
-                       else
-                               AddPortalToNodes (p, other_node, f);
-                       continue;
-               }
-               
-       // the winding is split
-               new_portal = AllocPortal ();
-               *new_portal = *p;
-               new_portal->winding = backwinding;
-               FreeWinding (p->winding);
-               p->winding = frontwinding;
-
-               if (side == 0)
-               {
-                       AddPortalToNodes (p, f, other_node);
-                       AddPortalToNodes (new_portal, b, other_node);
-               }
-               else
-               {
-                       AddPortalToNodes (p, other_node, f);
-                       AddPortalToNodes (new_portal, other_node, b);
-               }
-       }
-
-       node->portals = NULL;
-}
-
-
-/*
-================
-CalcNodeBounds
-================
-*/
-void CalcNodeBounds (node_t *node)
-{
-       portal_t        *p;
-       int                     s;
-       int                     i;
-
-       // calc mins/maxs for both leafs and nodes
-       ClearBounds (node->mins, node->maxs);
-       for (p = node->portals ; p ; p = p->next[s])    
-       {
-               s = (p->nodes[1] == node);
-               for (i=0 ; i<p->winding->numpoints ; i++)
-                       AddPointToBounds (p->winding->p[i], node->mins, node->maxs);
-       }
-}
-
-/*
-==================
-MakeTreePortals_r
-==================
-*/
-void MakeTreePortals_r (node_t *node)
-{
-       int             i;
-
-       CalcNodeBounds (node);
-       if (node->mins[0] >= node->maxs[0])
-       {
-               Sys_Printf ("WARNING: node without a volume\n");
-               Sys_Printf("node has %d tiny portals\n", node->tinyportals);
-               Sys_Printf("node reference point %1.2f %1.2f %1.2f\n", node->referencepoint[0],
-                                                                                                                       node->referencepoint[1],
-                                                                                                                       node->referencepoint[2]);
-       }
-
-       for (i=0 ; i<3 ; i++)
-       {
-               if (node->mins[i] < MIN_WORLD_COORD || node->maxs[i] > MAX_WORLD_COORD)
-               {
-      if(node->portals && node->portals->winding)
-        xml_Winding("WARNING: Node With Unbounded Volume", node->portals->winding->p, node->portals->winding->numpoints, qfalse);
-
-                       break;
-               }
-       }
-       if (node->planenum == PLANENUM_LEAF)
-               return;
-
-       MakeNodePortal (node);
-       SplitNodePortals (node);
-
-       MakeTreePortals_r (node->children[0]);
-       MakeTreePortals_r (node->children[1]);
-}
-
-/*
-==================
-MakeTreePortals
-==================
-*/
-void MakeTreePortals (tree_t *tree)
-{
-       Sys_FPrintf (SYS_VRB, "--- MakeTreePortals ---\n");
-       MakeHeadnodePortals (tree);
-       MakeTreePortals_r (tree->headnode);
-       Sys_FPrintf( SYS_VRB, "%9d tiny portals\n", c_tinyportals );
-       Sys_FPrintf( SYS_VRB, "%9d bad portals\n", c_badportals );      /* ydnar */
-}
-
-/*
-=========================================================
-
-FLOOD ENTITIES
-
-=========================================================
-*/
-
-int            c_floodedleafs;
-
-/*
-=============
-FloodPortals_r
-=============
-*/
-
-void FloodPortals_r( node_t *node, int dist, qboolean skybox )
-{
-       int                     s;
-       portal_t        *p;
-       
-       
-       if( skybox )
-               node->skybox = skybox;
-       
-       if( node->occupied || node->opaque )
-               return;
-       
-       c_floodedleafs++;
-       node->occupied = dist;
-       
-       for( p = node->portals; p; p = p->next[ s ] )
-       {
-               s = (p->nodes[ 1 ] == node);
-               FloodPortals_r( p->nodes[ !s ], dist + 1, skybox );
-       }
-}
-
-
-
-/*
-=============
-PlaceOccupant
-=============
-*/
-
-qboolean PlaceOccupant( node_t *headnode, vec3_t origin, entity_t *occupant, qboolean skybox )
-{
-       vec_t   d;
-       node_t  *node;
-       plane_t *plane;
-       
-       
-       // find the leaf to start in
-       node = headnode;
-       while( node->planenum != PLANENUM_LEAF )
-       {
-               plane = &mapplanes[ node->planenum ];
-               d = DotProduct( origin, plane->normal ) - plane->dist;
-               if( d >= 0 )
-                       node = node->children[ 0 ];
-               else
-                       node = node->children[ 1 ];
-       }
-       
-       if( node->opaque )
-               return qfalse;
-       node->occupant = occupant;
-       node->skybox = skybox;
-       
-       FloodPortals_r( node, 1, skybox );
-       
-       return qtrue;
-}
-
-/*
-=============
-FloodEntities
-
-Marks all nodes that can be reached by entites
-=============
-*/
-
-qboolean FloodEntities( tree_t *tree )
-{
-       int                     i, s;
-       vec3_t          origin, offset, scale, angles;
-       qboolean        r, inside, tripped, skybox;
-       node_t          *headnode;
-       entity_t        *e;
-       const char      *value;
-       
-       
-       headnode = tree->headnode;
-       Sys_FPrintf( SYS_VRB,"--- FloodEntities ---\n" );
-       inside = qfalse;
-       tree->outside_node.occupied = 0;
-       
-       tripped = qfalse;
-       c_floodedleafs = 0;
-       for( i = 1; i < numEntities; i++ )
-       {
-               /* get entity */
-               e = &entities[ i ];
-               
-               /* get origin */
-               GetVectorForKey( e, "origin", origin );
-
-               /* as a special case, allow origin-less entities */
-               if( VectorCompare( origin, vec3_origin ) ) 
-                       continue;
-               
-               /* also allow bmodel entities outside, as they could be on a moving path that will go into the map */
-               if( e->brushes != NULL || e->patches != NULL )
-                       continue;
-
-               /* handle skybox entities */
-               value = ValueForKey( e, "classname" );
-               if( !Q_stricmp( value, "_skybox" ) )
-               {
-                       skybox = qtrue;
-                       skyboxPresent = qtrue;
-                       
-                       /* invert origin */
-                       VectorScale( origin, -1.0f, offset );
-                       
-                       /* get scale */
-                       VectorSet( scale, 64.0f, 64.0f, 64.0f );
-                       value = ValueForKey( e, "_scale" );
-                       if( value[ 0 ] != '\0' )
-                       {
-                               s = sscanf( value, "%f %f %f", &scale[ 0 ], &scale[ 1 ], &scale[ 2 ] );
-                               if( s == 1 )
-                               {
-                                       scale[ 1 ] = scale[ 0 ];
-                                       scale[ 2 ] = scale[ 0 ];
-                               }
-                       }
-                       
-                       /* get "angle" (yaw) or "angles" (pitch yaw roll) */
-                       VectorClear( angles );
-                       angles[ 2 ] = FloatForKey( e, "angle" );
-                       value = ValueForKey( e, "angles" );
-                       if( value[ 0 ] != '\0' )
-                               sscanf( value, "%f %f %f", &angles[ 1 ], &angles[ 2 ], &angles[ 0 ] );
-                       
-                       /* set transform matrix (thanks spog) */
-                       m4x4_identity( skyboxTransform );
-                       m4x4_pivoted_transform_by_vec3( skyboxTransform, offset, angles, eXYZ, scale, origin );
-               }
-               else
-                       skybox = qfalse;
-               
-               /* nudge off floor */
-               origin[ 2 ] += 1;
-               
-               /* debugging code */
-               //%     if( i == 1 )
-               //%             origin[ 2 ] += 4096;
-               
-               /* find leaf */
-               r = PlaceOccupant( headnode, origin, e, skybox );
-               if( r )
-                       inside = qtrue;
-               if( !r )
-               {
-                       Sys_Printf( "Entity %i, Brush %i: Entity in solid\n", e->mapEntityNum, 0);
-               }
-               else if( tree->outside_node.occupied && !tripped )
-               {
-                       xml_Select( "Entity leaked", e->mapEntityNum, 0, qfalse );
-                       tripped = qtrue;
-               }
-       }
-       
-       Sys_FPrintf( SYS_VRB, "%9d flooded leafs\n", c_floodedleafs );
-       
-       if( !inside )
-               Sys_FPrintf( SYS_VRB, "no entities in open -- no filling\n" );
-       else if( tree->outside_node.occupied )
-               Sys_FPrintf( SYS_VRB, "entity reached from outside -- no filling\n" );
-       
-       return (qboolean) (inside && !tree->outside_node.occupied);
-}
-
-/*
-=========================================================
-
-FLOOD AREAS
-
-=========================================================
-*/
-
-int            c_areas;
-
-
-
-/*
-FloodAreas_r()
-floods through leaf portals to tag leafs with an area
-*/
-
-void FloodAreas_r( node_t *node )
-{
-       int                     s;
-       portal_t        *p;
-       brush_t         *b;
-       
-       
-       if( node->areaportal )
-       {
-               if( node->area == -1 )
-                       node->area = c_areas;
-               
-               /* this node is part of an area portal brush */
-               b = node->brushlist->original;
-
-               /* if the current area has already touched this portal, we are done */
-               if( b->portalareas[ 0 ] == c_areas || b->portalareas[ 1 ] == c_areas )
-                       return;
-               
-               // note the current area as bounding the portal
-               if( b->portalareas[ 1 ] != -1 )
-               {
-                       Sys_Printf( "WARNING: areaportal brush %i touches > 2 areas\n", b->brushNum );
-                       return;
-               }
-               if( b->portalareas[ 0 ] != -1 )
-                       b->portalareas[ 1 ] = c_areas;
-               else
-                       b->portalareas[ 0 ] = c_areas;
-               
-               return;
-       }
-
-       if( node->area != -1 )
-               return; 
-       if( node->cluster == -1 )
-               return;
-
-       node->area = c_areas;
-       
-       /* ydnar: skybox nodes set the skybox area */
-       if( node->skybox )
-               skyboxArea = c_areas;
-       
-       for( p = node->portals; p; p = p->next[ s ] )
-       {
-               s = (p->nodes[1] == node);
-               
-               /* ydnar: allow areaportal portals to block area flow */
-               if( p->compileFlags & C_AREAPORTAL )
-                       continue;
-               
-               if( !PortalPassable( p ) )
-                       continue;
-               
-               FloodAreas_r( p->nodes[ !s ] );
-       }
-}
-
-/*
-=============
-FindAreas_r
-
-Just decend the tree, and for each node that hasn't had an
-area set, flood fill out from there
-=============
-*/
-void FindAreas_r( node_t *node )
-{
-       if( node->planenum != PLANENUM_LEAF )
-       {
-               FindAreas_r( node->children[ 0 ] );
-               FindAreas_r( node->children[ 1 ] );
-               return;
-       }
-       
-       if( node->opaque || node->areaportal || node->area != -1 )
-               return;
-       
-       FloodAreas_r( node );
-       c_areas++;
-}
-
-/*
-=============
-CheckAreas_r
-=============
-*/
-void CheckAreas_r (node_t *node)
-{
-       brush_t *b;
-
-       if (node->planenum != PLANENUM_LEAF)
-       {
-               CheckAreas_r (node->children[0]);
-               CheckAreas_r (node->children[1]);
-               return;
-       }
-
-       if (node->opaque)
-               return;
-
-       if (node->cluster != -1)
-               if (node->area == -1)
-                       Sys_Printf("WARNING: cluster %d has area set to -1\n", node->cluster);
-       if (node->areaportal)
-       {
-               b = node->brushlist->original;
-
-               // check if the areaportal touches two areas
-               if (b->portalareas[0] == -1 || b->portalareas[1] == -1)
-                       Sys_Printf ("WARNING: areaportal brush %i doesn't touch two areas\n", b->brushNum);
-       }
-}
-
-
-
-/*
-FloodSkyboxArea_r() - ydnar
-sets all nodes with the skybox area to skybox
-*/
-
-void FloodSkyboxArea_r( node_t *node )
-{
-       if( skyboxArea < 0 )
-               return;
-       
-       if( node->planenum != PLANENUM_LEAF )
-       {
-               FloodSkyboxArea_r( node->children[ 0 ] );
-               FloodSkyboxArea_r( node->children[ 1 ] );
-               return;
-       }
-       
-       if( node->opaque || node->area != skyboxArea )
-               return;
-       
-       node->skybox = qtrue;
-}
-
-
-
-/*
-FloodAreas()
-mark each leaf with an area, bounded by C_AREAPORTAL
-*/
-
-void FloodAreas( tree_t *tree )
-{
-       Sys_FPrintf( SYS_VRB,"--- FloodAreas ---\n" );
-       FindAreas_r( tree->headnode );
-       
-       /* ydnar: flood all skybox nodes */
-       FloodSkyboxArea_r( tree->headnode );
-       
-       /* check for areaportal brushes that don't touch two areas */
-       /* ydnar: fix this rather than just silence the warnings */
-       //%     CheckAreas_r( tree->headnode );
-
-       Sys_FPrintf( SYS_VRB, "%9d areas\n", c_areas );
-}
-
-
-
-//======================================================
-
-int            c_outside;
-int            c_inside;
-int            c_solid;
-
-void FillOutside_r (node_t *node)
-{
-       if (node->planenum != PLANENUM_LEAF)
-       {
-               FillOutside_r (node->children[0]);
-               FillOutside_r (node->children[1]);
-               return;
-       }
-
-       // anything not reachable by an entity
-       // can be filled away
-       if (!node->occupied) {
-               if ( !node->opaque ) {
-                       c_outside++;
-                       node->opaque = qtrue;
-               } else {
-                       c_solid++;
-               }
-       } else {
-               c_inside++;
-       }
-
-}
-
-/*
-=============
-FillOutside
-
-Fill all nodes that can't be reached by entities
-=============
-*/
-void FillOutside (node_t *headnode)
-{
-       c_outside = 0;
-       c_inside = 0;
-       c_solid = 0;
-       Sys_FPrintf( SYS_VRB,"--- FillOutside ---\n" );
-       FillOutside_r( headnode );
-       Sys_FPrintf( SYS_VRB,"%9d solid leafs\n", c_solid );
-       Sys_Printf( "%9d leafs filled\n", c_outside );
-       Sys_FPrintf( SYS_VRB, "%9d inside leafs\n", c_inside );
-}
-
-
-//==============================================================
-