contrib/bobtoolz/DVisDrawer.cpp

   1 /*
   2    BobToolz plugin for GtkRadiant
   3    Copyright (C) 2001 Gordon Biggans
   4
   5    This library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    This library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with this library; if not, write to the Free Software
  17    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  18  */
  19
  20 // BobView.cpp: implementation of the DVisDrawer class.
  21 //
  22 //////////////////////////////////////////////////////////////////////
  23
  24 #include "StdAfx.h"
  25 #include "DPoint.h"
  26 #include "DVisDrawer.h"
  27 #include "misc.h"
  28 #include "funchandlers.h"
  29
  30 //////////////////////////////////////////////////////////////////////
  31 // Construction/Destruction
  32 //////////////////////////////////////////////////////////////////////
  33
  34 DVisDrawer::DVisDrawer(){
  35         refCount = 1;
  36         m_bHooked = FALSE;
  37         m_list = NULL;
  38 }
  39
  40 DVisDrawer::~DVisDrawer(){
  41         if ( m_bHooked ) {
  42                 UnRegister();
  43         }
  44
  45         g_VisView = NULL;
  46 }
  47
  48 //////////////////////////////////////////////////////////////////////
  49 // Implementation
  50 //////////////////////////////////////////////////////////////////////
  51
  52 void DVisDrawer::Draw2D( VIEWTYPE vt ){
  53         if ( !m_list ) {
  54                 return;
  55         }
  56
  57         g_QglTable.m_pfn_qglPushAttrib( GL_ALL_ATTRIB_BITS );
  58
  59         g_QglTable.m_pfn_qglDisable( GL_BLEND );
  60         g_QglTable.m_pfn_qglDisable( GL_LINE_SMOOTH );
  61
  62         g_QglTable.m_pfn_qglPushMatrix();
  63
  64         switch ( vt )
  65         {
  66         case XY:
  67                 break;
  68         case XZ:
  69                 g_QglTable.m_pfn_qglRotatef( 270.0f, 1.0f, 0.0f, 0.0f );
  70                 break;
  71         case YZ:
  72                 g_QglTable.m_pfn_qglRotatef( 270.0f, 1.0f, 0.0f, 0.0f );
  73                 g_QglTable.m_pfn_qglRotatef( 270.0f, 0.0f, 0.0f, 1.0f );
  74                 break;
  75         }
  76
  77         g_QglTable.m_pfn_qglLineWidth( 1.0f );
  78         g_QglTable.m_pfn_qglColor4f( 1.0f, 0.0f, 0.0f, 0.5f );
  79
  80         g_QglTable.m_pfn_qglEnable( GL_BLEND );
  81         g_QglTable.m_pfn_qglBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
  82         g_QglTable.m_pfn_qglDisable( GL_POLYGON_SMOOTH );
  83
  84         g_QglTable.m_pfn_qglDepthFunc( GL_ALWAYS );
  85
  86         //bleh
  87         list<DWinding *>::const_iterator l = m_list->begin();
  88
  89         for (; l != m_list->end(); l++ )
  90         {
  91                 DWinding* w = *l;
  92
  93                 g_QglTable.m_pfn_qglColor4f( w->clr[0], w->clr[1], w->clr[2], 0.5f );
  94
  95                 g_QglTable.m_pfn_qglBegin( GL_POLYGON );
  96                 for ( int i = 0; i < w->numpoints; i++ ) {
  97                         g_QglTable.m_pfn_qglVertex3f( ( w->p[i] )[0], ( w->p[i] )[1], ( w->p[i] )[2] );
  98                 }
  99                 g_QglTable.m_pfn_qglEnd();
 100         }
 101
 102
 103         g_QglTable.m_pfn_qglPopMatrix();
 104
 105         g_QglTable.m_pfn_qglPopAttrib();
 106 }
 107
 108 void DVisDrawer::Draw3D(){
 109         if ( !m_list ) {
 110                 return;
 111         }
 112
 113         g_QglTable.m_pfn_qglPushAttrib( GL_ALL_ATTRIB_BITS );
 114
 115         g_QglTable.m_pfn_qglColor4f( 1.0, 0.0, 0.0, 0.5f );
 116
 117 //      g_QglTable.m_pfn_qglHint(GL_FOG_HINT, GL_NICEST);
 118
 119 //      g_QglTable.m_pfn_qglDisable(GL_CULL_FACE);
 120         g_QglTable.m_pfn_qglDisable( GL_LINE_SMOOTH );
 121
 122 //      g_QglTable.m_pfn_qglPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
 123 //      g_QglTable.m_pfn_qglShadeModel(GL_SMOOTH);
 124
 125         g_QglTable.m_pfn_qglEnable( GL_BLEND );
 126         g_QglTable.m_pfn_qglBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
 127         g_QglTable.m_pfn_qglDisable( GL_POLYGON_SMOOTH );
 128
 129         g_QglTable.m_pfn_qglDepthFunc( GL_ALWAYS );
 130
 131         //bleh
 132         list<DWinding *>::const_iterator l = m_list->begin();
 133
 134         for (; l != m_list->end(); l++ )
 135         {
 136                 DWinding* w = *l;
 137
 138                 g_QglTable.m_pfn_qglColor4f( w->clr[0], w->clr[1], w->clr[2], 0.5f );
 139
 140                 g_QglTable.m_pfn_qglBegin( GL_POLYGON );
 141                 for ( int i = 0; i < w->numpoints; i++ ) {
 142                         g_QglTable.m_pfn_qglVertex3f( ( w->p[i] )[0], ( w->p[i] )[1], ( w->p[i] )[2] );
 143                 }
 144                 g_QglTable.m_pfn_qglEnd();
 145         }
 146
 147         g_QglTable.m_pfn_qglPopAttrib();
 148 }
 149
 150 void DVisDrawer::Register(){
 151         g_QglTable.m_pfnHookGL2DWindow( this );
 152         g_QglTable.m_pfnHookGL3DWindow( this );
 153         m_bHooked = TRUE;
 154 }
 155
 156 void DVisDrawer::UnRegister(){
 157         g_QglTable.m_pfnUnHookGL2DWindow( this );
 158         g_QglTable.m_pfnUnHookGL3DWindow( this );
 159         m_bHooked = FALSE;
 160 }
 161
 162 void DVisDrawer::SetList( list<DWinding*> *pointList ){
 163         if ( m_list ) {
 164                 ClearPoints();
 165         }
 166
 167         m_list = pointList;
 168 }
 169
 170 void DVisDrawer::ClearPoints(){
 171         list<DWinding *>::const_iterator deadPoint = m_list->begin();
 172         for (; deadPoint != m_list->end(); deadPoint++ )
 173                 delete *deadPoint;
 174         m_list->clear();
 175 }