/* -------------------------------------------------------------------------------
-Copyright (C) 1999-2007 id Software, Inc. and contributors.
-For a list of contributors, see the accompanying CONTRIBUTORS file.
+ 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.
+ 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 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.
+ 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
+ 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."
+ 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."
-------------------------------------------------------------------------------- */
+ ------------------------------------------------------------------------------- */
extern qboolean FixWinding( winding_t *w );
-int c_active_portals;
-int c_peak_portals;
-int c_boundary;
-int c_boundary_sides;
+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)
+ ===========
+ AllocPortal
+ ===========
+ */
+portal_t *AllocPortal( void ){
+ portal_t *p;
+
+ if ( numthreads == 1 ) {
c_active_portals++;
- if (c_active_portals > c_peak_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));
-
+ }
+
+ 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)
+void FreePortal( portal_t *p ){
+ if ( p->winding ) {
+ FreeWinding( p->winding );
+ }
+ if ( numthreads == 1 ) {
c_active_portals--;
- free (p);
+ }
+ free( p );
}
/*
-PortalPassable
-returns true if the portal has non-opaque leafs on both sides
-*/
+ PortalPassable
+ returns true if the portal has non-opaque leafs on both sides
+ */
-qboolean PortalPassable( portal_t *p )
-{
+qboolean PortalPassable( portal_t *p ){
/* is this to global outside leaf? */
- if( !p->onnode )
+ if ( !p->onnode ) {
return qfalse;
-
+ }
+
/* this should never happen */
- if( p->nodes[ 0 ]->planenum != PLANENUM_LEAF ||
- p->nodes[ 1 ]->planenum != PLANENUM_LEAF )
+ 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 )
+ 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 )
+ 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 */
+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");
+ =============
+ 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;
-
+ =============
+ RemovePortalFromNode
+ =============
+ */
+void RemovePortalFromNode( portal_t *portal, node_t *l ){
+ portal_t **pp, *t;
+
// remove reference to the current portal
pp = &l->portals;
- while (1)
+ while ( 1 )
{
t = *pp;
- if (!t)
- Error ("RemovePortalFromNode: portal not in leaf");
+ if ( !t ) {
+ Error( "RemovePortalFromNode: portal not in leaf" );
+ }
- if ( t == portal )
+ if ( t == portal ) {
break;
+ }
- if (t->nodes[0] == l)
+ if ( t->nodes[0] == l ) {
pp = &t->next[0];
- else if (t->nodes[1] == l)
+ }
+ else if ( t->nodes[1] == l ) {
pp = &t->next[1];
- else
- Error ("RemovePortalFromNode: portal not bounding leaf");
+ }
+ else{
+ Error( "RemovePortalFromNode: portal not bounding leaf" );
+ }
}
-
- if (portal->nodes[0] == l)
- {
+
+ if ( portal->nodes[0] == l ) {
*pp = portal->next[0];
portal->nodes[0] = NULL;
}
- else if (portal->nodes[1] == l)
- {
- *pp = portal->next[1];
+ else if ( portal->nodes[1] == l ) {
+ *pp = portal->next[1];
portal->nodes[1] = NULL;
}
}
//============================================================================
-void PrintPortal (portal_t *p)
-{
- int i;
- winding_t *w;
-
+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]);
+ 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;
+ ================
+ 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++)
+ for ( i = 0 ; i < 3 ; i++ )
{
bounds[0][i] = tree->mins[i] - SIDESPACE;
bounds[1][i] = tree->maxs[i] + SIDESPACE;
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++)
+ for ( i = 0 ; i < 3 ; i++ )
+ for ( j = 0 ; j < 2 ; j++ )
{
- n = j*3 + i;
+ n = j * 3 + i;
- p = AllocPortal ();
+ p = AllocPortal();
portals[n] = p;
-
+
pl = &bplanes[n];
- memset (pl, 0, sizeof(*pl));
- if (j)
- {
+ memset( pl, 0, sizeof( *pl ) );
+ if ( j ) {
pl->normal[i] = -1;
pl->dist = -bounds[j][i];
}
pl->dist = bounds[j][i];
}
p->plane = *pl;
- p->winding = BaseWindingForPlane (pl->normal, pl->dist);
- AddPortalToNodes (p, node, &tree->outside_node);
+ 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 ( i = 0 ; i < 6 ; i++ )
{
- for (j=0 ; j<6 ; j++)
+ for ( j = 0 ; j < 6 ; j++ )
{
- if (j == i)
+ if ( j == i ) {
continue;
- ChopWindingInPlace (&portals[i]->winding, bplanes[j].normal, bplanes[j].dist, ON_EPSILON);
+ }
+ 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);
+ ================
+ 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 ; )
+ 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);
+ 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);
+ { // take back
+ VectorSubtract( vec3_origin, plane->normal, normal );
dist = -plane->dist;
- ChopWindingInPlace (&w, normal, dist, BASE_WINDING_EPSILON);
+ ChopWindingInPlace( &w, normal, dist, BASE_WINDING_EPSILON );
}
node = n;
n = n->parent;
//============================================================
/*
-==================
-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);
+ ==================
+ 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])
+ for ( p = node->portals ; p && w; p = p->next[side] )
{
- if (p->nodes[0] == node)
- {
+ if ( p->nodes[0] == node ) {
side = 0;
- VectorCopy (p->plane.normal, normal);
+ VectorCopy( p->plane.normal, normal );
dist = p->plane.dist;
}
- else if (p->nodes[1] == node)
- {
+ else if ( p->nodes[1] == node ) {
side = 1;
- VectorSubtract (vec3_origin, p->plane.normal, normal);
+ VectorSubtract( vec3_origin, p->plane.normal, normal );
dist = -p->plane.dist;
}
- else
- Error ("CutNodePortals_r: mislinked portal");
+ else{
+ Error( "CutNodePortals_r: mislinked portal" );
+ }
- ChopWindingInPlace (&w, normal, dist, CLIP_EPSILON);
+ ChopWindingInPlace( &w, normal, dist, CLIP_EPSILON );
}
- if (!w)
- {
+ if ( !w ) {
return;
}
-
-
+
+
/* ydnar: adding this here to fix degenerate windings */
#if 0
- if( FixWinding( w ) == qfalse )
- {
+ if ( FixWinding( w ) == qfalse ) {
c_badportals++;
FreeWinding( w );
return;
}
#endif
-
- if (WindingIsTiny (w))
- {
+
+ if ( WindingIsTiny( w ) ) {
c_tinyportals++;
- FreeWinding (w);
+ FreeWinding( w );
return;
}
- new_portal = AllocPortal ();
+ 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]);
+ 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;
+ ==============
+ 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)
+ for ( p = node->portals ; p ; p = next_portal )
{
- if (p->nodes[0] == node)
+ if ( p->nodes[0] == node ) {
side = 0;
- else if (p->nodes[1] == node)
+ }
+ else if ( p->nodes[1] == node ) {
side = 1;
- else
- Error ("SplitNodePortals: mislinked portal");
+ }
+ 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]);
+ 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); /* not strict, we want to always keep one of them even if coplanar */
+ /* not strict, we want to always keep one of them even if coplanar */
+ 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);
+ 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);
+ if ( !other_node->tinyportals ) {
+ VectorCopy( frontwinding->p[0], other_node->referencepoint );
+ }
other_node->tinyportals++;
- FreeWinding (frontwinding);
+ FreeWinding( frontwinding );
frontwinding = NULL;
c_tinyportals++;
}
- if (backwinding && WindingIsTiny(backwinding))
- {
- if (!b->tinyportals)
- VectorCopy(backwinding->p[0], b->referencepoint);
+ 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);
+ if ( !other_node->tinyportals ) {
+ VectorCopy( backwinding->p[0], other_node->referencepoint );
+ }
other_node->tinyportals++;
- FreeWinding (backwinding);
+ FreeWinding( backwinding );
backwinding = NULL;
c_tinyportals++;
}
- if (!frontwinding && !backwinding)
- { // tiny windings on both sides
+ 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);
+ 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);
+ 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 ();
+
+ // the winding is split
+ new_portal = AllocPortal();
*new_portal = *p;
new_portal->winding = backwinding;
- FreeWinding (p->winding);
+ FreeWinding( p->winding );
p->winding = frontwinding;
- if (side == 0)
- {
- AddPortalToNodes (p, f, other_node);
- AddPortalToNodes (new_portal, b, other_node);
+ 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);
+ AddPortalToNodes( p, other_node, f );
+ AddPortalToNodes( new_portal, other_node, b );
}
}
/*
-================
-CalcNodeBounds
-================
-*/
-void CalcNodeBounds (node_t *node)
-{
- portal_t *p;
- int s;
- int i;
+ ================
+ 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])
+ 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);
+ 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]);
+ ==================
+ MakeTreePortals_r
+ ==================
+ */
+void MakeTreePortals_r( node_t *node ){
+ int i;
+
+ CalcNodeBounds( node );
+ if ( node->mins[0] >= node->maxs[0] ) {
+ Sys_FPrintf( SYS_WRN, "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++)
+ 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);
+ 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)
+ if ( node->planenum == PLANENUM_LEAF ) {
return;
+ }
- MakeNodePortal (node);
- SplitNodePortals (node);
+ MakeNodePortal( node );
+ SplitNodePortals( node );
- MakeTreePortals_r (node->children[0]);
- MakeTreePortals_r (node->children[1]);
+ 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);
+ ==================
+ 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 */
+ Sys_FPrintf( SYS_VRB, "%9d bad portals\n", c_badportals ); /* ydnar */
}
/*
-=========================================================
+ =========================================================
-FLOOD ENTITIES
+ FLOOD ENTITIES
-=========================================================
-*/
+ =========================================================
+ */
-int c_floodedleafs;
+int c_floodedleafs;
/*
-=============
-FloodPortals_r
-=============
-*/
-
-void FloodPortals_r( node_t *node, int dist, qboolean skybox )
-{
- int s;
- portal_t *p;
-
-
- if( skybox )
+ =============
+ 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 )
+ }
+
+ if ( node->opaque ) {
return;
-
+ }
+
+ if ( node->occupied ) {
+ if ( node->occupied > dist ) {
+ /* reduce distance! */
+ /* for better leak line */
+ /* note: node->occupied will also be true for all further nodes, then */
+ 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 );
+ }
+ }
+ return;
+ }
+
c_floodedleafs++;
node->occupied = dist;
-
- for( p = node->portals; p; p = p->next[ s ] )
+
+ for ( p = node->portals; p; p = p->next[ s ] )
{
- s = (p->nodes[ 1 ] == node);
+ 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;
-
-
+ =============
+ 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 )
+ while ( node->planenum != PLANENUM_LEAF )
{
plane = &mapplanes[ node->planenum ];
d = DotProduct( origin, plane->normal ) - plane->dist;
- if( d >= 0 )
+ if ( d >= 0 ) {
node = node->children[ 0 ];
- else
+ }
+ else{
node = node->children[ 1 ];
+ }
}
-
- if( node->opaque )
+
+ 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
-=============
-*/
-
-int 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;
-
-
+ =============
+ FloodEntities
+
+ Marks all nodes that can be reached by entites
+ =============
+ */
+
+int FloodEntities( tree_t *tree ){
+ int i, s;
+ vec3_t origin, offset, scale, angles;
+ qboolean r, inside, skybox, found;
+ node_t *headnode;
+ entity_t *e, *tripped;
+ const char *value;
+ int tripcount;
+
+
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++ )
+ for ( i = 1; i < numEntities; i++ )
{
/* get entity */
e = &entities[ i ];
-
+
/* get origin */
- GetVectorForKey( e, "origin", origin );
+ found = GetVectorForKey( e, "origin", origin );
/* as a special case, allow origin-less entities */
- if( VectorCompare( origin, vec3_origin ) )
+ if ( !found ) {
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 )
+ if ( e->brushes != NULL || e->patches != NULL ) {
continue;
+ }
/* handle skybox entities */
value = ValueForKey( e, "classname" );
- if( !Q_stricmp( value, "_skybox" ) )
- {
+ 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' )
- {
+ if ( value[ 0 ] != '\0' ) {
s = sscanf( value, "%f %f %f", &scale[ 0 ], &scale[ 1 ], &scale[ 2 ] );
- if( s == 1 )
- {
+ 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' )
+ 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
+ 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 )
+ 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;
+ if ( !r ) {
+ Sys_Printf( "Entity %i, Brush %i: Entity in solid\n", e->mapEntityNum, 0 );
+ }
+ else if ( tree->outside_node.occupied ) {
+ if ( !tripped || tree->outside_node.occupied < tripcount ) {
+ tripped = e;
+ tripcount = tree->outside_node.occupied;
+ }
}
}
-
+
+ if ( tripped ) {
+ xml_Select( "Entity leaked", e->mapEntityNum, 0, qfalse );
+ }
+
Sys_FPrintf( SYS_VRB, "%9d flooded leafs\n", c_floodedleafs );
-
- if( !inside )
- {
+
+ if ( !inside ) {
Sys_FPrintf( SYS_VRB, "no entities in open -- no filling\n" );
return FLOODENTITIES_EMPTY;
}
- if( tree->outside_node.occupied )
- {
+ if ( tree->outside_node.occupied ) {
Sys_FPrintf( SYS_VRB, "entity reached from outside -- leak detected\n" );
return FLOODENTITIES_LEAKED;
}
-
+
return FLOODENTITIES_GOOD;
}
/*
-=========================================================
+ =========================================================
-FLOOD AREAS
+ FLOOD AREAS
-=========================================================
-*/
+ =========================================================
+ */
-int c_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 )
+ 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 )
+ 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 );
+ if ( b->portalareas[ 1 ] != -1 ) {
+ Sys_FPrintf( SYS_WRN, "WARNING: areaportal brush %i touches > 2 areas\n", b->brushNum );
return;
}
- if( b->portalareas[ 0 ] != -1 )
+ if ( b->portalareas[ 0 ] != -1 ) {
b->portalareas[ 1 ] = c_areas;
- else
+ }
+ else{
b->portalareas[ 0 ] = c_areas;
-
+ }
+
return;
}
- if( node->area != -1 )
- return;
- if( node->cluster == -1 )
+ if ( node->area != -1 ) {
return;
+ }
+ if ( node->cluster == -1 ) {
+ return;
+ }
node->area = c_areas;
-
+
/* ydnar: skybox nodes set the skybox area */
- if( node->skybox )
+ if ( node->skybox ) {
skyboxArea = c_areas;
-
- for( p = node->portals; p; p = p->next[ s ] )
+ }
+
+ for ( p = node->portals; p; p = p->next[ s ] )
{
- s = (p->nodes[1] == node);
-
+ s = ( p->nodes[1] == node );
+
/* ydnar: allow areaportal portals to block area flow */
- if( p->compileFlags & C_AREAPORTAL )
+ if ( p->compileFlags & C_AREAPORTAL ) {
continue;
-
- if( !PortalPassable( p ) )
+ }
+
+ 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
+
+ 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 )
+
+ 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]);
+ =============
+ 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)
+ 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)
- {
+ if ( node->cluster != -1 ) {
+ if ( node->area == -1 ) {
+ Sys_FPrintf( SYS_WRN, "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);
+ if ( b->portalareas[0] == -1 || b->portalareas[1] == -1 ) {
+ Sys_FPrintf( SYS_WRN, "WARNING: areaportal brush %i doesn't touch two areas\n", b->brushNum );
+ }
}
}
/*
-FloodSkyboxArea_r() - ydnar
-sets all nodes with the skybox area to skybox
-*/
+ FloodSkyboxArea_r() - ydnar
+ sets all nodes with the skybox area to skybox
+ */
-void FloodSkyboxArea_r( node_t *node )
-{
- if( skyboxArea < 0 )
+void FloodSkyboxArea_r( node_t *node ){
+ if ( skyboxArea < 0 ) {
return;
-
- if( node->planenum != PLANENUM_LEAF )
- {
+ }
+
+ if ( node->planenum != PLANENUM_LEAF ) {
FloodSkyboxArea_r( node->children[ 0 ] );
FloodSkyboxArea_r( node->children[ 1 ] );
return;
}
-
- if( node->opaque || node->area != skyboxArea )
+
+ if ( node->opaque || node->area != skyboxArea ) {
return;
-
+ }
+
node->skybox = qtrue;
}
/*
-FloodAreas()
-mark each leaf with an area, bounded by C_AREAPORTAL
-*/
+ FloodAreas()
+ mark each leaf with an area, bounded by C_AREAPORTAL
+ */
-void FloodAreas( tree_t *tree )
-{
+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 );
//======================================================
-int c_outside;
-int c_inside;
-int c_solid;
+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]);
+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->occupied ) {
if ( !node->opaque ) {
c_outside++;
node->opaque = qtrue;
- } else {
+ }
+ else {
c_solid++;
}
- } else {
+ }
+ else {
c_inside++;
}
}
/*
-=============
-FillOutside
-
-Fill all nodes that can't be reached by entities
-=============
-*/
-void FillOutside (node_t *headnode)
-{
+ =============
+ 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;
//==============================================================
-