mirror of
https://github.com/UberGames/GtkRadiant.git
synced 2024-11-14 00:11:09 +00:00
831 lines
21 KiB
C++
831 lines
21 KiB
C++
/*
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PrtView plugin for GtkRadiant
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Copyright (C) 2001 Geoffrey Dewan, Loki software and qeradiant.com
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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 "stdafx.h"
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#include <string.h>
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#include <stdlib.h>
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#ifndef __APPLE__
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#include <search.h>
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#endif
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#include <stdio.h>
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#define LINE_BUF 1000
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CPortals portals;
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CPortalsRender render;
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int compare( const void *arg1, const void *arg2 ){
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if ( portals.portal[*( (int *)arg1 )].dist > portals.portal[*( (int *)arg2 )].dist ) {
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return -1;
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}
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else if ( portals.portal[*( (int *)arg1 )].dist < portals.portal[*( (int *)arg2 )].dist ) {
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return 1;
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}
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return 0;
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}
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CBspPortal::CBspPortal(){
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memset( this, 0, sizeof( CBspPortal ) );
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}
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CBspPortal::~CBspPortal(){
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delete[] point;
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delete[] inner_point;
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}
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qboolean CBspPortal::Build( char *def ){
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char *c = def;
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unsigned int n;
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int dummy1, dummy2;
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int res_cnt, i;
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if ( portals.hint_flags ) {
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res_cnt = sscanf( def, "%u %d %d %d", &point_count, &dummy1, &dummy2, (int *)&hint );
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}
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else
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{
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sscanf( def, "%u", &point_count );
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hint = FALSE;
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}
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if ( point_count < 3 || ( portals.hint_flags && res_cnt < 4 ) ) {
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return FALSE;
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}
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point = new CBspPoint[point_count];
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inner_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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}
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c++;
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sscanf( c, "%f %f %f", point[n].p, point[n].p + 1, point[n].p + 2 );
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center.p[0] += point[n].p[0];
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center.p[1] += point[n].p[1];
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center.p[2] += point[n].p[2];
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if ( n == 0 ) {
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for ( i = 0; i < 3; i++ )
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{
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min[i] = point[n].p[i];
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max[i] = point[n].p[i];
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}
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}
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else
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{
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for ( i = 0; i < 3; i++ )
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{
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if ( min[i] > point[n].p[i] ) {
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min[i] = point[n].p[i];
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}
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if ( max[i] < point[n].p[i] ) {
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max[i] = point[n].p[i];
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}
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}
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}
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}
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center.p[0] /= (float)point_count;
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center.p[1] /= (float)point_count;
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center.p[2] /= (float)point_count;
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for ( n = 0; n < point_count; n++ )
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{
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inner_point[n].p[0] = ( 0.01f * center.p[0] ) + ( 0.99f * point[n].p[0] );
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inner_point[n].p[1] = ( 0.01f * center.p[1] ) + ( 0.99f * point[n].p[1] );
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inner_point[n].p[2] = ( 0.01f * center.p[2] ) + ( 0.99f * point[n].p[2] );
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}
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fp_color_random[0] = (float)( rand() & 0xff ) / 255.0f;
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fp_color_random[1] = (float)( rand() & 0xff ) / 255.0f;
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fp_color_random[2] = (float)( rand() & 0xff ) / 255.0f;
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fp_color_random[3] = 1.0f;
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return TRUE;
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}
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CPortals::CPortals(){
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memset( this, 0, sizeof( CPortals ) );
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}
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CPortals::~CPortals(){
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Purge();
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}
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void CPortals::Purge(){
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delete[] portal;
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delete[] portal_sort;
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portal = NULL;
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portal_sort = NULL;
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portal_count = 0;
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/*
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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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}
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void CPortals::Load(){
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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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Sys_Printf( MSG_PREFIX "Loading portal file %s.\n", fn );
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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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Sys_Printf( " 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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fclose( in );
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Sys_Printf( " 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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fclose( in );
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Sys_Printf( " 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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fclose( in );
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Sys_Printf( " 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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/*
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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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Sys_Printf(" ERROR - Extreme number of nodes, aborting.\n");
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return;
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}
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*/
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if ( !fgets( buf, LINE_BUF, in ) ) {
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fclose( in );
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node_count = 0;
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Sys_Printf( " ERROR - File ended prematurely.\n" );
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return;
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}
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sscanf( buf, "%u", &portal_count );
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if ( portal_count > 0xFFFF ) {
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fclose( in );
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portal_count = 0;
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node_count = 0;
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Sys_Printf( " ERROR - Extreme number of portals, aborting.\n" );
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return;
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}
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if ( portal_count < 0 ) {
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fclose( in );
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portal_count = 0;
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node_count = 0;
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Sys_Printf( " ERROR - number of portals equals 0, aborting.\n" );
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return;
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}
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// node = new CBspNode[node_count];
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portal = new CBspPortal[portal_count];
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portal_sort = new int[portal_count];
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unsigned int n;
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qboolean first = TRUE;
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unsigned test_vals_1, test_vals_2;
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hint_flags = FALSE;
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for ( n = 0; n < portal_count; )
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{
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if ( !fgets( buf, LINE_BUF, in ) ) {
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fclose( in );
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Purge();
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Sys_Printf( " ERROR - Could not find information for portal number %d of %d.\n", n + 1, portal_count );
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return;
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}
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if ( !portal[n].Build( buf ) ) {
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if ( first && sscanf( buf, "%d %d", &test_vals_1, &test_vals_2 ) == 1 ) { // skip additional counts of later data, not needed
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// We can count on hint flags being in the file
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hint_flags = TRUE;
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continue;
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}
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first = FALSE;
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fclose( in );
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Purge();
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Sys_Printf( " ERROR - Information for portal number %d of %d is not formatted correctly.\n", n + 1, portal_count );
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return;
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}
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n++;
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}
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fclose( in );
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Sys_Printf( " %u portals read in.\n", node_count, portal_count );
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}
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void CPortals::FixColors(){
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fp_color_2d[0] = (float)GetRValue( color_2d ) / 255.0f;
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fp_color_2d[1] = (float)GetGValue( color_2d ) / 255.0f;
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fp_color_2d[2] = (float)GetBValue( color_2d ) / 255.0f;
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fp_color_2d[3] = 1.0f;
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fp_color_3d[0] = (float)GetRValue( color_3d ) / 255.0f;
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fp_color_3d[1] = (float)GetGValue( color_3d ) / 255.0f;
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fp_color_3d[2] = (float)GetBValue( color_3d ) / 255.0f;
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fp_color_3d[3] = 1.0f;
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fp_color_fog[0] = 0.0f; //(float)GetRValue(color_fog) / 255.0f;
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fp_color_fog[1] = 0.0f; //(float)GetGValue(color_fog) / 255.0f;
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fp_color_fog[2] = 0.0f; //(float)GetBValue(color_fog) / 255.0f;
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fp_color_fog[3] = 1.0f;
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}
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CPortalsRender::CPortalsRender(){
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refCount = 1;
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}
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CPortalsRender::~CPortalsRender(){
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}
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void CPortalsRender::Register(){
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g_QglTable.m_pfnHookGL2DWindow( this );
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g_QglTable.m_pfnHookGL3DWindow( this );
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}
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void CPortalsRender::Draw2D( VIEWTYPE vt ){
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if ( !portals.show_2d || portals.portal_count < 1 ) {
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return;
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}
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g_QglTable.m_pfn_qglPushAttrib( GL_ALL_ATTRIB_BITS );
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if ( portals.aa_2d ) {
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g_QglTable.m_pfn_qglEnable( GL_BLEND );
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g_QglTable.m_pfn_qglEnable( GL_LINE_SMOOTH );
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}
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else
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{
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g_QglTable.m_pfn_qglDisable( GL_BLEND );
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g_QglTable.m_pfn_qglEnable( GL_LINE_SMOOTH );
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}
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switch ( vt )
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{
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case XY:
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break;
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case XZ:
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g_QglTable.m_pfn_qglRotatef( 270.0f, 1.0f, 0.0f, 0.0f );
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break;
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case YZ:
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g_QglTable.m_pfn_qglRotatef( 270.0f, 1.0f, 0.0f, 0.0f );
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g_QglTable.m_pfn_qglRotatef( 270.0f, 0.0f, 0.0f, 1.0f );
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break;
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}
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g_QglTable.m_pfn_qglLineWidth( portals.width_2d * 0.5f );
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g_QglTable.m_pfn_qglColor4fv( portals.fp_color_2d );
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unsigned int n, p;
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for ( n = 0; n < portals.portal_count; n++ )
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{
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g_QglTable.m_pfn_qglBegin( GL_LINE_LOOP );
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for ( p = 0; p < portals.portal[n].point_count; p++ )
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g_QglTable.m_pfn_qglVertex3fv( portals.portal[n].point[p].p );
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g_QglTable.m_pfn_qglEnd();
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}
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g_QglTable.m_pfn_qglPopAttrib();
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}
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/*
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* Transform a point (column vector) by a 4x4 matrix. I.e. out = m * in
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* Input: m - the 4x4 matrix
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* in - the 4x1 vector
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* Output: out - the resulting 4x1 vector.
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*/
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static void transform_point( GLdouble out[4], const GLdouble m[16],
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const GLdouble in[4] ){
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#define M( row,col ) m[col * 4 + row]
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out[0] = M( 0,0 ) * in[0] + M( 0,1 ) * in[1] + M( 0,2 ) * in[2] + M( 0,3 ) * in[3];
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out[1] = M( 1,0 ) * in[0] + M( 1,1 ) * in[1] + M( 1,2 ) * in[2] + M( 1,3 ) * in[3];
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out[2] = M( 2,0 ) * in[0] + M( 2,1 ) * in[1] + M( 2,2 ) * in[2] + M( 2,3 ) * in[3];
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out[3] = M( 3,0 ) * in[0] + M( 3,1 ) * in[1] + M( 3,2 ) * in[2] + M( 3,3 ) * in[3];
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#undef M
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}
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#include <math.h>
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/*
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* Perform a 4x4 matrix multiplication (product = a x b).
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* Input: a, b - matrices to multiply
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* Output: product - product of a and b
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*/
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static void matmul( GLdouble *product, const GLdouble *a, const GLdouble *b ){
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/* This matmul was contributed by Thomas Malik */
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GLdouble temp[16];
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GLint i;
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#define A( row,col ) a[( col << 2 ) + row]
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#define B( row,col ) b[( col << 2 ) + row]
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#define T( row,col ) temp[( col << 2 ) + row]
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/* i-te Zeile */
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for ( i = 0; i < 4; i++ )
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{
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T( i, 0 ) = A( i, 0 ) * B( 0, 0 ) + A( i, 1 ) * B( 1, 0 ) + A( i, 2 ) * B( 2, 0 ) + A( i, 3 ) * B( 3, 0 );
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T( i, 1 ) = A( i, 0 ) * B( 0, 1 ) + A( i, 1 ) * B( 1, 1 ) + A( i, 2 ) * B( 2, 1 ) + A( i, 3 ) * B( 3, 1 );
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T( i, 2 ) = A( i, 0 ) * B( 0, 2 ) + A( i, 1 ) * B( 1, 2 ) + A( i, 2 ) * B( 2, 2 ) + A( i, 3 ) * B( 3, 2 );
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T( i, 3 ) = A( i, 0 ) * B( 0, 3 ) + A( i, 1 ) * B( 1, 3 ) + A( i, 2 ) * B( 2, 3 ) + A( i, 3 ) * B( 3, 3 );
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}
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#undef A
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#undef B
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#undef T
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memcpy( product, temp, 16 * sizeof( GLdouble ) );
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}
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/*
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* Compute inverse of 4x4 transformation matrix.
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* Code contributed by Jacques Leroy jle@star.be
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* Return GL_TRUE for success, GL_FALSE for failure (singular matrix)
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*/
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static GLboolean invert_matrix( const GLdouble *m, GLdouble *out ){
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/* NB. OpenGL Matrices are COLUMN major. */
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#define SWAP_ROWS( a, b ) { GLdouble *_tmp = a; ( a ) = ( b ); ( b ) = _tmp; }
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#define MAT( m,r,c ) ( m )[( c ) * 4 + ( r )]
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GLdouble wtmp[4][8];
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GLdouble m0, m1, m2, m3, s;
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GLdouble *r0, *r1, *r2, *r3;
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r0 = wtmp[0], r1 = wtmp[1], r2 = wtmp[2], r3 = wtmp[3];
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r0[0] = MAT( m,0,0 ), r0[1] = MAT( m,0,1 ),
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r0[2] = MAT( m,0,2 ), r0[3] = MAT( m,0,3 ),
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r0[4] = 1.0, r0[5] = r0[6] = r0[7] = 0.0,
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r1[0] = MAT( m,1,0 ), r1[1] = MAT( m,1,1 ),
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r1[2] = MAT( m,1,2 ), r1[3] = MAT( m,1,3 ),
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r1[5] = 1.0, r1[4] = r1[6] = r1[7] = 0.0,
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r2[0] = MAT( m,2,0 ), r2[1] = MAT( m,2,1 ),
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r2[2] = MAT( m,2,2 ), r2[3] = MAT( m,2,3 ),
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r2[6] = 1.0, r2[4] = r2[5] = r2[7] = 0.0,
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r3[0] = MAT( m,3,0 ), r3[1] = MAT( m,3,1 ),
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r3[2] = MAT( m,3,2 ), r3[3] = MAT( m,3,3 ),
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r3[7] = 1.0, r3[4] = r3[5] = r3[6] = 0.0;
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/* choose pivot - or die */
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if ( fabs( r3[0] ) > fabs( r2[0] ) ) {
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SWAP_ROWS( r3, r2 );
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}
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if ( fabs( r2[0] ) > fabs( r1[0] ) ) {
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SWAP_ROWS( r2, r1 );
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}
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if ( fabs( r1[0] ) > fabs( r0[0] ) ) {
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SWAP_ROWS( r1, r0 );
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}
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if ( 0.0 == r0[0] ) {
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return GL_FALSE;
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}
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/* eliminate first variable */
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m1 = r1[0] / r0[0]; m2 = r2[0] / r0[0]; m3 = r3[0] / r0[0];
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s = r0[1]; r1[1] -= m1 * s; r2[1] -= m2 * s; r3[1] -= m3 * s;
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s = r0[2]; r1[2] -= m1 * s; r2[2] -= m2 * s; r3[2] -= m3 * s;
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s = r0[3]; r1[3] -= m1 * s; r2[3] -= m2 * s; r3[3] -= m3 * s;
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s = r0[4];
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if ( s != 0.0 ) {
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r1[4] -= m1 * s; r2[4] -= m2 * s; r3[4] -= m3 * s;
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}
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s = r0[5];
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if ( s != 0.0 ) {
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r1[5] -= m1 * s; r2[5] -= m2 * s; r3[5] -= m3 * s;
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}
|
|
s = r0[6];
|
|
if ( s != 0.0 ) {
|
|
r1[6] -= m1 * s; r2[6] -= m2 * s; r3[6] -= m3 * s;
|
|
}
|
|
s = r0[7];
|
|
if ( s != 0.0 ) {
|
|
r1[7] -= m1 * s; r2[7] -= m2 * s; r3[7] -= m3 * s;
|
|
}
|
|
|
|
/* choose pivot - or die */
|
|
if ( fabs( r3[1] ) > fabs( r2[1] ) ) {
|
|
SWAP_ROWS( r3, r2 );
|
|
}
|
|
if ( fabs( r2[1] ) > fabs( r1[1] ) ) {
|
|
SWAP_ROWS( r2, r1 );
|
|
}
|
|
if ( 0.0 == r1[1] ) {
|
|
return GL_FALSE;
|
|
}
|
|
|
|
/* eliminate second variable */
|
|
m2 = r2[1] / r1[1]; m3 = r3[1] / r1[1];
|
|
r2[2] -= m2 * r1[2]; r3[2] -= m3 * r1[2];
|
|
r2[3] -= m2 * r1[3]; r3[3] -= m3 * r1[3];
|
|
s = r1[4]; if ( 0.0 != s ) {
|
|
r2[4] -= m2 * s; r3[4] -= m3 * s;
|
|
}
|
|
s = r1[5]; if ( 0.0 != s ) {
|
|
r2[5] -= m2 * s; r3[5] -= m3 * s;
|
|
}
|
|
s = r1[6]; if ( 0.0 != s ) {
|
|
r2[6] -= m2 * s; r3[6] -= m3 * s;
|
|
}
|
|
s = r1[7]; if ( 0.0 != s ) {
|
|
r2[7] -= m2 * s; r3[7] -= m3 * s;
|
|
}
|
|
|
|
/* choose pivot - or die */
|
|
if ( fabs( r3[2] ) > fabs( r2[2] ) ) {
|
|
SWAP_ROWS( r3, r2 );
|
|
}
|
|
if ( 0.0 == r2[2] ) {
|
|
return GL_FALSE;
|
|
}
|
|
|
|
/* eliminate third variable */
|
|
m3 = r3[2] / r2[2];
|
|
r3[3] -= m3 * r2[3], r3[4] -= m3 * r2[4],
|
|
r3[5] -= m3 * r2[5], r3[6] -= m3 * r2[6],
|
|
r3[7] -= m3 * r2[7];
|
|
|
|
/* last check */
|
|
if ( 0.0 == r3[3] ) {
|
|
return GL_FALSE;
|
|
}
|
|
|
|
s = 1.0 / r3[3]; /* now back substitute row 3 */
|
|
r3[4] *= s; r3[5] *= s; r3[6] *= s; r3[7] *= s;
|
|
|
|
m2 = r2[3]; /* now back substitute row 2 */
|
|
s = 1.0 / r2[2];
|
|
r2[4] = s * ( r2[4] - r3[4] * m2 ), r2[5] = s * ( r2[5] - r3[5] * m2 ),
|
|
r2[6] = s * ( r2[6] - r3[6] * m2 ), r2[7] = s * ( r2[7] - r3[7] * m2 );
|
|
m1 = r1[3];
|
|
r1[4] -= r3[4] * m1, r1[5] -= r3[5] * m1,
|
|
r1[6] -= r3[6] * m1, r1[7] -= r3[7] * m1;
|
|
m0 = r0[3];
|
|
r0[4] -= r3[4] * m0, r0[5] -= r3[5] * m0,
|
|
r0[6] -= r3[6] * m0, r0[7] -= r3[7] * m0;
|
|
|
|
m1 = r1[2]; /* now back substitute row 1 */
|
|
s = 1.0 / r1[1];
|
|
r1[4] = s * ( r1[4] - r2[4] * m1 ), r1[5] = s * ( r1[5] - r2[5] * m1 ),
|
|
r1[6] = s * ( r1[6] - r2[6] * m1 ), r1[7] = s * ( r1[7] - r2[7] * m1 );
|
|
m0 = r0[2];
|
|
r0[4] -= r2[4] * m0, r0[5] -= r2[5] * m0,
|
|
r0[6] -= r2[6] * m0, r0[7] -= r2[7] * m0;
|
|
|
|
m0 = r0[1]; /* now back substitute row 0 */
|
|
s = 1.0 / r0[0];
|
|
r0[4] = s * ( r0[4] - r1[4] * m0 ), r0[5] = s * ( r0[5] - r1[5] * m0 ),
|
|
r0[6] = s * ( r0[6] - r1[6] * m0 ), r0[7] = s * ( r0[7] - r1[7] * m0 );
|
|
|
|
MAT( out,0,0 ) = r0[4]; MAT( out,0,1 ) = r0[5],
|
|
MAT( out,0,2 ) = r0[6]; MAT( out,0,3 ) = r0[7],
|
|
MAT( out,1,0 ) = r1[4]; MAT( out,1,1 ) = r1[5],
|
|
MAT( out,1,2 ) = r1[6]; MAT( out,1,3 ) = r1[7],
|
|
MAT( out,2,0 ) = r2[4]; MAT( out,2,1 ) = r2[5],
|
|
MAT( out,2,2 ) = r2[6]; MAT( out,2,3 ) = r2[7],
|
|
MAT( out,3,0 ) = r3[4]; MAT( out,3,1 ) = r3[5],
|
|
MAT( out,3,2 ) = r3[6]; MAT( out,3,3 ) = r3[7];
|
|
|
|
return GL_TRUE;
|
|
|
|
#undef MAT
|
|
#undef SWAP_ROWS
|
|
}
|
|
|
|
GLint UnProject( GLdouble winx,GLdouble winy,GLdouble winz,
|
|
const GLdouble model[16],const GLdouble proj[16],
|
|
const GLint viewport[4],
|
|
GLdouble *objx,GLdouble *objy,GLdouble *objz ){
|
|
/* matrice de transformation */
|
|
GLdouble m[16], A[16];
|
|
GLdouble in[4],out[4];
|
|
|
|
/* transformation coordonnees normalisees entre -1 et 1 */
|
|
in[0] = ( winx - viewport[0] ) * 2 / viewport[2] - 1.0;
|
|
in[1] = ( winy - viewport[1] ) * 2 / viewport[3] - 1.0;
|
|
in[2] = 2 * winz - 1.0;
|
|
in[3] = 1.0;
|
|
|
|
/* calcul transformation inverse */
|
|
matmul( A,proj,model );
|
|
invert_matrix( A,m );
|
|
|
|
/* d'ou les coordonnees objets */
|
|
transform_point( out,m,in );
|
|
if ( out[3] == 0.0 ) {
|
|
return GL_FALSE;
|
|
}
|
|
*objx = out[0] / out[3];
|
|
*objy = out[1] / out[3];
|
|
*objz = out[2] / out[3];
|
|
return GL_TRUE;
|
|
}
|
|
|
|
void CPortalsRender::Draw3D(){
|
|
if ( !portals.show_3d || portals.portal_count < 1 ) {
|
|
return;
|
|
}
|
|
|
|
g_QglTable.m_pfn_qglPushAttrib( GL_ALL_ATTRIB_BITS );
|
|
|
|
double cam[3];
|
|
double proj_m[16];
|
|
double model_m[16];
|
|
float min_check[3];
|
|
float max_check[3];
|
|
float trans = ( 100.0f - portals.trans_3d ) / 100.0f;
|
|
int view[4];
|
|
|
|
g_QglTable.m_pfn_qglGetDoublev( GL_PROJECTION_MATRIX, proj_m );
|
|
g_QglTable.m_pfn_qglGetDoublev( GL_MODELVIEW_MATRIX, model_m );
|
|
g_QglTable.m_pfn_qglGetIntegerv( GL_VIEWPORT, view );
|
|
|
|
UnProject( 0.5 * (double)view[2], 0.5 * (double)view[3], 0.0, model_m, proj_m, view, cam, cam + 1, cam + 2 );
|
|
|
|
min_check[0] = (float)cam[0] + ( portals.clip_range * 64.0f );
|
|
min_check[1] = (float)cam[1] + ( portals.clip_range * 64.0f );
|
|
min_check[2] = (float)cam[2] + ( portals.clip_range * 64.0f );
|
|
max_check[0] = (float)cam[0] - ( portals.clip_range * 64.0f );
|
|
max_check[1] = (float)cam[1] - ( portals.clip_range * 64.0f );
|
|
max_check[2] = (float)cam[2] - ( portals.clip_range * 64.0f );
|
|
|
|
g_QglTable.m_pfn_qglHint( GL_FOG_HINT, GL_NICEST );
|
|
|
|
g_QglTable.m_pfn_qglDisable( GL_CULL_FACE );
|
|
|
|
g_QglTable.m_pfn_qglDisable( GL_LINE_SMOOTH );
|
|
g_QglTable.m_pfn_qglDisable( GL_POLYGON_SMOOTH );
|
|
|
|
g_QglTable.m_pfn_qglPolygonMode( GL_FRONT_AND_BACK, GL_FILL );
|
|
|
|
g_QglTable.m_pfn_qglShadeModel( GL_SMOOTH );
|
|
|
|
g_QglTable.m_pfn_qglEnable( GL_BLEND );
|
|
g_QglTable.m_pfn_qglBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
|
|
g_QglTable.m_pfn_qglEnable( GL_POLYGON_SMOOTH );
|
|
|
|
if ( portals.aa_3d ) {
|
|
g_QglTable.m_pfn_qglEnable( GL_LINE_SMOOTH );
|
|
}
|
|
else{
|
|
g_QglTable.m_pfn_qglDisable( GL_LINE_SMOOTH );
|
|
}
|
|
|
|
if ( portals.fog ) {
|
|
g_QglTable.m_pfn_qglEnable( GL_FOG );
|
|
|
|
g_QglTable.m_pfn_qglFogi( GL_FOG_MODE, GL_EXP );
|
|
g_QglTable.m_pfn_qglFogf( GL_FOG_DENSITY, 0.001f );
|
|
g_QglTable.m_pfn_qglFogf( GL_FOG_START, 10.0f );
|
|
g_QglTable.m_pfn_qglFogf( GL_FOG_END, 10000.0f );
|
|
g_QglTable.m_pfn_qglFogi( GL_FOG_INDEX, 0 );
|
|
g_QglTable.m_pfn_qglFogfv( GL_FOG_COLOR, portals.fp_color_fog );
|
|
}
|
|
else
|
|
{
|
|
g_QglTable.m_pfn_qglDisable( GL_FOG );
|
|
}
|
|
|
|
switch ( portals.zbuffer )
|
|
{
|
|
case 1:
|
|
g_QglTable.m_pfn_qglEnable( GL_DEPTH_TEST );
|
|
g_QglTable.m_pfn_qglDepthMask( GL_FALSE );
|
|
break;
|
|
case 2:
|
|
g_QglTable.m_pfn_qglDisable( GL_DEPTH_TEST );
|
|
break;
|
|
default:
|
|
g_QglTable.m_pfn_qglEnable( GL_DEPTH_TEST );
|
|
g_QglTable.m_pfn_qglDepthMask( GL_TRUE );
|
|
}
|
|
|
|
g_QglTable.m_pfn_qglLineWidth( portals.width_3d * 0.5f );
|
|
|
|
unsigned int n, p;
|
|
|
|
if ( portals.polygons ) {
|
|
if ( portals.zbuffer != 0 ) {
|
|
float d;
|
|
|
|
for ( n = 0; n < portals.portal_count; n++ )
|
|
{
|
|
d = (float)cam[0] - portals.portal[n].center.p[0];
|
|
portals.portal[n].dist = d * d;
|
|
|
|
d = (float)cam[1] - portals.portal[n].center.p[1];
|
|
portals.portal[n].dist += d * d;
|
|
|
|
d = (float)cam[2] - portals.portal[n].center.p[2];
|
|
portals.portal[n].dist += d * d;
|
|
|
|
portals.portal_sort[n] = n;
|
|
}
|
|
|
|
qsort( portals.portal_sort, portals.portal_count, 4, compare );
|
|
|
|
for ( n = 0; n < portals.portal_count; n++ )
|
|
{
|
|
if ( portals.polygons == 2 && !portals.portal[portals.portal_sort[n]].hint ) {
|
|
continue;
|
|
}
|
|
|
|
if ( portals.clip ) {
|
|
if ( min_check[0] < portals.portal[portals.portal_sort[n]].min[0] ) {
|
|
continue;
|
|
}
|
|
else if ( min_check[1] < portals.portal[portals.portal_sort[n]].min[1] ) {
|
|
continue;
|
|
}
|
|
else if ( min_check[2] < portals.portal[portals.portal_sort[n]].min[2] ) {
|
|
continue;
|
|
}
|
|
else if ( max_check[0] > portals.portal[portals.portal_sort[n]].max[0] ) {
|
|
continue;
|
|
}
|
|
else if ( max_check[1] > portals.portal[portals.portal_sort[n]].max[1] ) {
|
|
continue;
|
|
}
|
|
else if ( max_check[2] > portals.portal[portals.portal_sort[n]].max[2] ) {
|
|
continue;
|
|
}
|
|
}
|
|
|
|
g_QglTable.m_pfn_qglColor4f( portals.portal[portals.portal_sort[n]].fp_color_random[0], portals.portal[portals.portal_sort[n]].fp_color_random[1],
|
|
portals.portal[portals.portal_sort[n]].fp_color_random[2], trans );
|
|
|
|
g_QglTable.m_pfn_qglBegin( GL_POLYGON );
|
|
|
|
for ( p = 0; p < portals.portal[portals.portal_sort[n]].point_count; p++ )
|
|
g_QglTable.m_pfn_qglVertex3fv( portals.portal[portals.portal_sort[n]].point[p].p );
|
|
|
|
g_QglTable.m_pfn_qglEnd();
|
|
}
|
|
}
|
|
else
|
|
{
|
|
for ( n = 0; n < portals.portal_count; n++ )
|
|
{
|
|
if ( portals.polygons == 2 && !portals.portal[n].hint ) {
|
|
continue;
|
|
}
|
|
|
|
if ( portals.clip ) {
|
|
if ( min_check[0] < portals.portal[n].min[0] ) {
|
|
continue;
|
|
}
|
|
else if ( min_check[1] < portals.portal[n].min[1] ) {
|
|
continue;
|
|
}
|
|
else if ( min_check[2] < portals.portal[n].min[2] ) {
|
|
continue;
|
|
}
|
|
else if ( max_check[0] > portals.portal[n].max[0] ) {
|
|
continue;
|
|
}
|
|
else if ( max_check[1] > portals.portal[n].max[1] ) {
|
|
continue;
|
|
}
|
|
else if ( max_check[2] > portals.portal[n].max[2] ) {
|
|
continue;
|
|
}
|
|
}
|
|
|
|
g_QglTable.m_pfn_qglColor4f( portals.portal[n].fp_color_random[0], portals.portal[n].fp_color_random[1],
|
|
portals.portal[n].fp_color_random[2], trans );
|
|
|
|
g_QglTable.m_pfn_qglBegin( GL_POLYGON );
|
|
|
|
for ( p = 0; p < portals.portal[n].point_count; p++ )
|
|
g_QglTable.m_pfn_qglVertex3fv( portals.portal[n].point[p].p );
|
|
|
|
g_QglTable.m_pfn_qglEnd();
|
|
}
|
|
}
|
|
}
|
|
|
|
if ( portals.lines ) {
|
|
g_QglTable.m_pfn_qglColor4fv( portals.fp_color_3d );
|
|
|
|
for ( n = 0; n < portals.portal_count; n++ )
|
|
{
|
|
if ( portals.lines == 2 && !portals.portal[n].hint ) {
|
|
continue;
|
|
}
|
|
|
|
if ( portals.clip ) {
|
|
if ( min_check[0] < portals.portal[n].min[0] ) {
|
|
continue;
|
|
}
|
|
else if ( min_check[1] < portals.portal[n].min[1] ) {
|
|
continue;
|
|
}
|
|
else if ( min_check[2] < portals.portal[n].min[2] ) {
|
|
continue;
|
|
}
|
|
else if ( max_check[0] > portals.portal[n].max[0] ) {
|
|
continue;
|
|
}
|
|
else if ( max_check[1] > portals.portal[n].max[1] ) {
|
|
continue;
|
|
}
|
|
else if ( max_check[2] > portals.portal[n].max[2] ) {
|
|
continue;
|
|
}
|
|
}
|
|
|
|
g_QglTable.m_pfn_qglBegin( GL_LINE_LOOP );
|
|
|
|
for ( p = 0; p < portals.portal[n].point_count; p++ )
|
|
g_QglTable.m_pfn_qglVertex3fv( portals.portal[n].inner_point[p].p );
|
|
|
|
g_QglTable.m_pfn_qglEnd();
|
|
}
|
|
}
|
|
|
|
g_QglTable.m_pfn_qglPopAttrib();
|
|
}
|