source-engine/utils/vbsp/leakfile.cpp

168 lines
3.8 KiB
C++
Raw Normal View History

2020-04-22 16:56:21 +00:00
//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
// $NoKeywords: $
//
//=============================================================================//
#include "vbsp.h"
#include "color.h"
/*
==============================================================================
LEAF FILE GENERATION
Save out name.line for qe3 to read
==============================================================================
*/
/*
=============
LeakFile
Finds the shortest possible chain of portals
that leads from the outside leaf to a specifically
occupied leaf
=============
*/
void LeakFile (tree_t *tree)
{
Vector mid;
FILE *linefile;
char filename[1024];
node_t *node;
int count;
if (!tree->outside_node.occupied)
return;
tree->leaked = true;
qprintf ("--- LeakFile ---\n");
//
// write the points to the file
//
sprintf (filename, "%s.lin", source);
linefile = fopen (filename, "w");
if (!linefile)
Error ("Couldn't open %s\n", filename);
count = 0;
node = &tree->outside_node;
while (node->occupied > 1)
{
portal_t *nextportal = NULL;
node_t *nextnode = NULL;
int s = 0;
// find the best portal exit
int next = node->occupied;
for (portal_t *p=node->portals ; p ; p = p->next[!s])
{
s = (p->nodes[0] == node);
if (p->nodes[s]->occupied
&& p->nodes[s]->occupied < next)
{
nextportal = p;
nextnode = p->nodes[s];
next = nextnode->occupied;
}
}
node = nextnode;
WindingCenter (nextportal->winding, mid);
fprintf (linefile, "%f %f %f\n", mid[0], mid[1], mid[2]);
count++;
}
// Add the occupant's origin to the leakfile.
Vector origin;
GetVectorForKey (node->occupant, "origin", origin);
fprintf (linefile, "%f %f %f\n", origin[0], origin[1], origin[2]);
qprintf ("%5i point linefile\n", count+1);
fclose (linefile);
// Emit a leak warning.
const char *cl = ValueForKey (node->occupant, "classname");
Color red(255,0,0,255);
ColorSpewMessage( SPEW_MESSAGE, &red, "Entity %s (%.2f %.2f %.2f) leaked!\n", cl, origin[0], origin[1], origin[2] );
}
void AreaportalLeakFile( tree_t *tree, portal_t *pStartPortal, portal_t *pEndPortal, node_t *pStart )
{
Vector mid;
FILE *linefile;
char filename[1024];
node_t *node;
int count;
// wrote a leak line file already, don't overwrite it with the areaportal leak file
if ( tree->leaked )
return;
tree->leaked = true;
qprintf ("--- LeakFile ---\n");
//
// write the points to the file
//
sprintf (filename, "%s.lin", source);
linefile = fopen (filename, "w");
if (!linefile)
Error ("Couldn't open %s\n", filename);
count = 2;
WindingCenter (pEndPortal->winding, mid);
fprintf (linefile, "%f %f %f\n", mid[0], mid[1], mid[2]);
mid = 0.5 * (pStart->mins + pStart->maxs);
fprintf (linefile, "%f %f %f\n", mid[0], mid[1], mid[2]);
node = pStart;
while (node->occupied >= 1)
{
portal_t *nextportal = NULL;
node_t *nextnode = NULL;
int s = 0;
// find the best portal exit
int next = node->occupied;
for (portal_t *p=node->portals ; p ; p = p->next[!s])
{
s = (p->nodes[0] == node);
if (p->nodes[s]->occupied
&& p->nodes[s]->occupied < next)
{
nextportal = p;
nextnode = p->nodes[s];
next = nextnode->occupied;
}
}
if ( !nextnode )
break;
node = nextnode;
WindingCenter (nextportal->winding, mid);
fprintf (linefile, "%f %f %f\n", mid[0], mid[1], mid[2]);
count++;
}
// add the occupant center
if ( node )
{
mid = 0.5 * (node->mins + node->maxs);
fprintf (linefile, "%f %f %f\n", mid[0], mid[1], mid[2]);
count++;
}
WindingCenter (pStartPortal->winding, mid);
count++;
fprintf (linefile, "%f %f %f\n", mid[0], mid[1], mid[2]);
qprintf ("%5i point linefile\n", count);
fclose (linefile);
Warning( "Wrote %s\n", filename );
Color red(255,0,0,255);
ColorSpewMessage( SPEW_MESSAGE, &red, "Areaportal leak ! File: %s ", filename );
}