mirror of
https://github.com/UberGames/GtkRadiant.git
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6ee91d153e
git-svn-id: svn://svn.icculus.org/gtkradiant/GtkRadiant/trunk@44 8a3a26a2-13c4-0310-b231-cf6edde360e5
343 lines
5.9 KiB
C++
343 lines
5.9 KiB
C++
/*
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BobToolz plugin for GtkRadiant
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Copyright (C) 2001 Gordon Biggans
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "CPortals.h"
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#include <string.h>
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#include <math.h>
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#include "misc.h"
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#define LINE_BUF 1000
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#define MSG_PREFIX "bobToolz plugin: "
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// these classes are far less of a mess than my code was,
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// thanq to G.DeWan 4 the prtview source on which it was based
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CBspPortal::CBspPortal()
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{
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memset(this, 0, sizeof(CBspPortal));
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}
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CBspPortal::~CBspPortal()
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{
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delete[] point;
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}
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void ClampFloat(float* p)
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{
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double i;
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double frac = modf(*p, &i);
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if(!frac)
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return;
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if(fabs(*p - ceil(*p)) < MAX_ROUND_ERROR)
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*p = static_cast<float>(ceil(*p));
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if(fabs(*p - floor(*p)) < MAX_ROUND_ERROR)
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*p = static_cast<float>(floor(*p));
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}
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bool CBspPortal::Build(char *def, unsigned int pointCnt, bool bInverse)
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{
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char *c = def;
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unsigned int n;
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point_count = pointCnt;
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if(point_count < 3)
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return false;
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point = new CBspPoint[point_count];
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for(n = 0; n < point_count; n++)
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{
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for(; *c != 0 && *c != '('; c++);
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if(*c == 0)
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return false;
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c++;
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int x;
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if(bInverse)
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x = point_count - n - 1;
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else
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x = n;
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sscanf(c, "%f %f %f", &point[x].p[0], &point[x].p[1], &point[x].p[2]);
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ClampFloat(&point[x].p[0]);
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ClampFloat(&point[x].p[1]);
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ClampFloat(&point[x].p[2]);
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}
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return true;
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}
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CPortals::CPortals()
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{
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memset(this, 0, sizeof(CPortals));
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}
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CPortals::~CPortals()
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{
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Purge();
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}
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void CPortals::Purge()
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{
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if(node)
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delete[] node;
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node = NULL;
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node_count = 0;
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}
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void CPortals::Load()
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{
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char buf[LINE_BUF+1];
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memset(buf, 0, LINE_BUF + 1);
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Purge();
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globalOutputStream() << MSG_PREFIX "Loading portal file " << fn << ".\n";
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FILE *in;
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in = fopen(fn, "rt");
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if(in == NULL)
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{
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globalOutputStream() << " ERROR - could not open file.\n";
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return;
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}
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if(!fgets(buf, LINE_BUF, in))
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{
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fclose(in);
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globalOutputStream() << " ERROR - File ended prematurely.\n";
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return;
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}
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if(strncmp("PRT1", buf, 4) != 0)
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{
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fclose(in);
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globalOutputStream() << " ERROR - File header indicates wrong file type (should be \"PRT1\").\n";
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return;
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}
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if(!fgets(buf, LINE_BUF, in))
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{
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fclose(in);
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globalOutputStream() << " ERROR - File ended prematurely.\n";
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return;
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}
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sscanf(buf, "%u", &node_count);
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if(node_count > 0xFFFF)
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{
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fclose(in);
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node_count = 0;
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globalOutputStream() << " ERROR - Extreme number of nodes, aborting.\n";
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return;
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}
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if(!fgets(buf, LINE_BUF, in))
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{
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fclose(in);
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node_count = 0;
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globalOutputStream() << " ERROR - File ended prematurely.\n";
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return;
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}
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unsigned int p_count;
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sscanf(buf, "%u", &p_count);
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if(!fgets(buf, LINE_BUF, in))
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{
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fclose(in);
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node_count = 0;
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globalOutputStream() << " ERROR - File ended prematurely.\n";
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return;
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}
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unsigned int p_count2;
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sscanf(buf, "%u", &p_count2);
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node = new CBspNode[node_count];
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unsigned int i;
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for(i = 0; i < p_count; i++)
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{
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if(!fgets(buf, LINE_BUF, in))
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{
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fclose(in);
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node_count = 0;
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globalOutputStream() << " ERROR - File ended prematurely.\n";
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return;
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}
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unsigned int dummy, node1, node2;
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sscanf(buf, "%u %u %u", &dummy, &node1, &node2);
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node[node1].portal_count++;
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node[node2].portal_count++;
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}
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for(i = 0; i < p_count2; i++)
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{
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if(!fgets(buf, LINE_BUF, in))
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{
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fclose(in);
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node_count = 0;
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globalOutputStream() << " ERROR - File ended prematurely.\n";
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return;
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}
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unsigned int dummy, node1;
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sscanf(buf, "%u %u", &dummy, &node1);
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node[node1].portal_count++;
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}
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for(i = 0; i < node_count; i++)
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node[i].portal = new CBspPortal[node[i].portal_count];
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fclose(in);
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in = fopen(fn, "rt");
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fgets(buf, LINE_BUF, in);
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fgets(buf, LINE_BUF, in);
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fgets(buf, LINE_BUF, in);
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fgets(buf, LINE_BUF, in);
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unsigned int n;
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for(n = 0; n < p_count; n++)
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{
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if(!fgets(buf, LINE_BUF, in))
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{
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fclose(in);
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Purge();
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globalOutputStream() << " ERROR - Could not find information for portal number " << n + 1 << " of " << p_count << ".\n";
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return;
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}
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unsigned int pCount, node1, node2;
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sscanf(buf, "%u %u %u", &pCount, &node1, &node2);
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if(!node[node1].AddPortal(buf, pCount, false))
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{
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fclose(in);
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Purge();
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globalOutputStream() << " ERROR - Information for portal number " << n + 1 << " of " << p_count << " is not formatted correctly.\n";
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return;
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}
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if(!node[node2].AddPortal(buf, pCount, true))
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{
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fclose(in);
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Purge();
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globalOutputStream() << " ERROR - Information for portal number " << n + 1 << " of " << p_count << " is not formatted correctly.\n";
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return;
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}
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}
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for(n = 0; n < p_count2; n++)
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{
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if(!fgets(buf, LINE_BUF, in))
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{
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fclose(in);
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Purge();
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globalOutputStream() << " ERROR - Could not find information for portal number " << n + 1 << " of " << p_count << ".\n";
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return;
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}
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unsigned int pCount, node1;
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sscanf(buf, "%u %u", &pCount, &node1);
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if(!node[node1].AddPortal(buf, pCount, false))
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{
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fclose(in);
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Purge();
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globalOutputStream() << " ERROR - Information for portal number " << n + 1 << " of " << p_count << " is not formatted correctly.\n";
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return;
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}
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}
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fclose(in);
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}
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CBspNode::CBspNode()
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{
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portal = NULL;
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portal_count = 0;
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portal_next = 0;
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}
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CBspNode::~CBspNode()
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{
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if(portal != NULL)
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delete[] portal;
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}
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bool CBspNode::AddPortal(char *def, unsigned int pointCnt, bool bInverse)
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{
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return portal[portal_next++].Build(def, pointCnt, bInverse);
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}
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