TSH&R-PC

1 files changed, 1129 insertions, 0 deletions

diff --git a/tools/globalcode/utility/GLExt.cpp b/tools/globalcode/utility/GLExt.cpp
new file mode 100644
index 0000000..4b069ba
--- /dev/null
+++ b/tools/globalcode/utility/GLExt.cpp
@@ -0,0 +1,1129 @@
+#include "precompiled/PCH.h"
+//-----------------------------------------------------------------------------
+// Copyright (C) 2001 Radical Entertainment Ltd.  All rights reserved.
+//
+// GLExt.cpp
+//
+// Description: Functions that do drawing using the OpenGL API. 
+//
+// Modification History:
+//  + Created Aug 21, 2001 -- bkusy 
+//-----------------------------------------------------------------------------
+
+//----------------------------------------
+// System Includes
+//----------------------------------------
+#include <windows.h>
+#include <assert.h>
+
+#include <GL/gl.h>
+#include <GL/glu.h>
+#include <GL/glaux.h>
+    
+//----------------------------------------
+// Project Includes
+//----------------------------------------
+#include "GLExt.h"
+
+//----------------------------------------
+// Forward References
+//----------------------------------------
+
+//----------------------------------------
+// Constants, Typedefs and Statics
+//----------------------------------------
+
+//=============================================================================
+// GLExt::drawCamera3D
+//=============================================================================
+// Description: Comment
+//
+// Parameters:  ( double scale, double tx = 0.0f, double ty = 0.0f, double tz = 0.0f, float width = 1.0f )
+//
+// Return:      void 
+//
+//=============================================================================
+void GLExt::drawCamera3D( double scale, double tx, double ty, double tz, float width )
+{
+    glPushAttrib( GL_CURRENT_BIT | GL_LINE_BIT | GL_POLYGON_BIT );
+
+    //Store old line width
+    GLfloat oldWidth;
+    glGetFloatv( GL_LINE_WIDTH, &oldWidth );
+
+    glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
+    glPushMatrix();
+    glScaled(scale, scale, scale);
+    glTranslated(tx, ty, tz);
+
+    //Set line width
+    glLineWidth( width );
+    
+    glBegin( GL_LINES );
+        //X-Z
+        glVertex3d(-0.5, 0.0, 0.5 );
+        glVertex3d( 0.5, 0.0, 0.5 );
+
+        glVertex3d( 0.5, 0.0,  0.5 );
+        glVertex3d( 0.5, 0.0, -0.5 );
+
+        glVertex3d(  0.5, 0.0, -0.5 );
+        glVertex3d( -0.5, 0.0, -0.5 );
+
+        glVertex3d( -0.5, 0.0, -0.5 );
+        glVertex3d( -0.5, 0.0,  0.5 );
+
+        glVertex3d( 0.125, 0.0, -0.5 );
+        glVertex3d( 0.325, 0.0, -0.75 );
+
+        glVertex3d(  0.325, 0.0, -0.75 );
+        glVertex3d( -0.325, 0.0, -0.75 );
+
+        glVertex3d( -0.325, 0.0, -0.75 );
+        glVertex3d( -0.125, 0.0, -0.5 );
+
+        //Y-Z
+        glVertex3d( 0.0, -0.5, 0.5 );
+        glVertex3d( 0.0,  0.5, 0.5 );
+
+        glVertex3d( 0.0, 0.5,  0.5 );
+        glVertex3d( 0.0, 0.5, -0.5 );
+
+        glVertex3d( 0.0,  0.5, -0.5 );
+        glVertex3d( 0.0, -0.5, -0.5 );
+
+        glVertex3d( 0.0, -0.5, -0.5 );
+        glVertex3d( 0.0, -0.5,  0.5 );
+
+        glVertex3d( 0.0, 0.125, -0.5 );
+        glVertex3d( 0.0, 0.325, -0.75 );
+
+        glVertex3d( 0.0,  0.325, -0.75 );
+        glVertex3d( 0.0, -0.325, -0.75 );
+
+        glVertex3d( 0.0, -0.325, -0.75 ); 
+        glVertex3d( 0.0, -0.125, -0.5 );        
+    glEnd();
+    glPopMatrix();
+    //glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
+
+    glLineWidth( oldWidth );
+
+    glPopAttrib();
+}
+
+//-----------------------------------------------------------------------------
+// d r a w C r o s s H a i r 3 D 
+//
+// Synopsis:    Draws a camera symbol
+//
+// Parameters:  scale   - the scale to draw at.
+//              x       - the x coordinate of the symbol.
+//              y       - the y coordinate of the symbol.
+//              z       - the z coordinate of the symbol.
+//              width   - line width
+//
+// Returns:     NOTHING
+//
+// Constraints: NONE
+//
+//-----------------------------------------------------------------------------
+void GLExt::drawCrossHair3D( double scale, double tx, double ty, double tz, float width )
+{
+    glPushAttrib( GL_CURRENT_BIT | GL_LINE_BIT | GL_POLYGON_BIT );
+
+    //Store old line width
+    GLfloat oldWidth;
+    glGetFloatv( GL_LINE_WIDTH, &oldWidth );
+
+    glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
+    glPushMatrix();
+    glScaled(scale, scale, scale);
+    glTranslated(tx, ty, tz);
+
+    //Set line width
+    glLineWidth( width );
+    
+    glBegin( GL_LINES );
+        glVertex3d(-1.0, 0.0, 0.0 );
+        glVertex3d( 1.0, 0.0, 0.0 );
+
+        glVertex3d( 0.0, -1.0, 0.0 );
+        glVertex3d( 0.0,  1.0, 0.0 );
+
+        glVertex3d( 0.0, 0.0, -1.0 );
+        glVertex3d( 0.0, 0.0,  1.0 );
+    glEnd();
+    glPopMatrix();
+    //glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
+
+    glLineWidth( oldWidth );
+
+    glPopAttrib();
+}
+
+//-----------------------------------------------------------------------------
+// d r a w C r o s s H a i r 3 D
+//
+// Synopsis:    Draws a camera symbol
+//
+// Parameters:  scale - the scale to draw the symbol at.
+//              p     - where to draw the symbol.
+//
+// Returns:     NOTHING
+//
+// Constraints: NONE
+//
+//-----------------------------------------------------------------------------
+void GLExt::drawCrossHair3D( double scale, const MPoint& p, float width )
+{
+    drawCrossHair3D( scale, p.x, p.y, p.z, width );
+}
+
+
+//-----------------------------------------------------------------------------
+// d r a w P y r a m i d 
+//
+// Synopsis:    Draws a pyramid using OpenGL.
+//
+// Parameters:  scale  - factor of scaling for the pyramid.
+//              tx     - x position translation.
+//              ty     - y position translation.
+//              tz     - z position translation.
+//
+// Returns:     NOTHING
+//
+// Constraints: NONE
+//
+//-----------------------------------------------------------------------------
+void GLExt::drawPyramid( double scale, double tx, double ty, double tz, float width )
+{
+    glPushAttrib( GL_CURRENT_BIT | GL_LINE_BIT | GL_POLYGON_BIT );
+
+    //Store old line width
+    GLfloat oldWidth;
+    glGetFloatv( GL_LINE_WIDTH, &oldWidth );
+
+    //Set line width
+    glLineWidth( width );
+
+    glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
+    glPushMatrix();
+    glScaled(scale, scale, scale);
+    glTranslated(tx, ty, tz);
+    glBegin( GL_QUAD_STRIP );
+        glVertex3d(0.5, 0 ,0.5);
+        glVertex3d(0, 1, 0);
+        glVertex3d(0.5, 0, -0.5);
+        glVertex3d(0, 1, 0);
+        glVertex3d(-0.5, 0, -0.5);
+        glVertex3d(0, 1, 0);
+        glVertex3d(-0.5, 0 ,0.5);
+        glVertex3d(0, 1, 0);
+        glVertex3d(0.5, 0 ,0.5);
+        glVertex3d(0, 1, 0);
+    glEnd();
+    glPopMatrix();
+    //glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
+
+    glLineWidth( oldWidth );
+
+    glPopAttrib();
+}
+
+//-----------------------------------------------------------------------------
+// d r a w P y r a m i d 
+//
+// Synopsis:    Draws a pyramid using OpenGL.
+//
+// Parameters:  scale  - factor of scaling for the pyramid.
+//              p0     - the point at which to draw the pyramid.
+//
+// Returns:     NOTHING
+//
+// Constraints: NONE
+//
+//-----------------------------------------------------------------------------
+void GLExt::drawPyramid( double scale, const MPoint& p0, float width )
+{
+    drawPyramid( scale, p0.x, p0.y, p0.z, width );
+}
+
+//-----------------------------------------------------------------------------
+// d r a w S p h e r e 
+//
+// Synopsis:
+//
+// Parameters:  NONE
+//
+// Returns:     NOTHING
+//
+// Constraints: NONE
+//
+//------------------------------------------------------radius-----------------------
+void GLExt::drawSphere( double scale, double tx, double ty, double tz, float width )
+{
+    glPushAttrib( GL_CURRENT_BIT | GL_LINE_BIT | GL_POLYGON_BIT );
+    //Store old line width
+    GLfloat oldWidth;
+    glGetFloatv( GL_LINE_WIDTH, &oldWidth );
+
+    //Set line width
+    glLineWidth( width );
+
+    glPushMatrix();
+    glScaled(scale, scale, scale);
+    glTranslated(tx, ty, tz);
+
+    GLUquadricObj* quadric = gluNewQuadric();
+    gluQuadricDrawStyle( quadric, GLU_LINE );
+    gluSphere( quadric, 1.0, 12, 6 );
+
+    glPopMatrix();
+
+    glLineWidth( oldWidth );
+    glPopAttrib();
+}
+
+//-----------------------------------------------------------------------------
+// d r a w S p h e r e 
+//
+// Synopsis:
+//
+// Parameters:  NONE
+//
+// Returns:     NOTHING
+//
+// Constraints: NONE
+//
+//-----------------------------------------------------------------------------
+void GLExt::drawSphere( double scale, const MPoint& p, float width )
+{
+    drawSphere( scale, p.x, p.y, p.z, width );
+}
+
+//-----------------------------------------------------------------------------
+// d r a w L i n e 
+//
+// Synopsis:    Draws a line between the two points.
+//
+// Parameters:  The coordinates of the two points.
+//
+// Returns:     NOTHING
+//
+// Constraints: NONE
+//
+//-----------------------------------------------------------------------------
+void GLExt::drawLine( double x0, double y0, double z0,
+                      double x1, double y1, double z1,
+                      float width )
+{
+    glPushAttrib( GL_CURRENT_BIT | GL_LINE_BIT | GL_POLYGON_BIT );
+    glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
+    
+    //Store old line width
+    GLfloat oldWidth;
+    glGetFloatv( GL_LINE_WIDTH, &oldWidth );
+
+    //Set line width
+    glLineWidth( width );
+    
+    glBegin( GL_LINES );
+        glVertex3f( (float)x0, (float)y0, (float)z0 );
+        glVertex3f( (float)x1, (float)y1, (float)z1 );
+    glEnd();
+    
+    //Reset line width
+    glLineWidth( oldWidth );
+
+    //glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
+    glPopAttrib();
+}
+
+//-----------------------------------------------------------------------------
+// d r a w L i n e 
+//
+// Synopsis:    Draws a line between the two points.
+//
+// Parameters:  The points to draw the line between.
+//
+// Returns:     NOTHING
+//
+// Constraints: NONE
+//
+//-----------------------------------------------------------------------------
+void GLExt::drawLine( const MPoint& p0, const MPoint& p1, float width )
+{
+    drawLine( p0.x, p0.y, p0.z, p1.x, p1.y, p1.z, width );
+}
+
+//=============================================================================
+// GLExt::drawArrow
+//=============================================================================
+// Description: Comment
+//
+// Parameters:  ( const MPoint& p0, const MPoint& p1, float width, float scale )
+//
+// Return:      void 
+//
+//=============================================================================
+void GLExt::drawArrow( const MPoint& p0, const MPoint& p1, float width, float scale )
+{
+    glPushAttrib( GL_CURRENT_BIT | GL_LINE_BIT | GL_POLYGON_BIT );
+    glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
+    
+    //Store old line width
+    GLfloat oldWidth;
+    glGetFloatv( GL_LINE_WIDTH, &oldWidth );
+
+    MVector scaledVector;
+    scaledVector = p1 - p0;
+    scaledVector /= scale;
+
+    //Figure out a cross product...
+    MVector normal;
+
+    normal = scaledVector^( MVector(0, 1.0, 0 ) );
+    normal.normalize();
+    normal *= scaledVector.length();
+
+    MPoint head0, head1;
+
+    head0 = (p1 - scaledVector + normal );
+    head1 = (p1 - scaledVector - normal );
+
+    //Set line width
+    glLineWidth( width );
+    
+    glBegin( GL_LINES );
+        glVertex3f( (float)p0.x, (float)p0.y, (float)p0.z );
+        glVertex3f( (float)p1.x, (float)p1.y, (float)p1.z );
+
+        glVertex3f( (float)p1.x, (float)p1.y, (float)p1.z );
+        glVertex3f( (float)head0.x, (float)head0.y, (float)head0.z );
+
+        glVertex3f( (float)p1.x, (float)p1.y, (float)p1.z );
+        glVertex3f( (float)head1.x, (float)head1.y, (float)head1.z );
+    glEnd();
+    
+    //Reset line width
+    glLineWidth( oldWidth );
+
+    //glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
+    glPopAttrib();
+}
+
+//-----------------------------------------------------------------------------
+// d r a w B o x 
+//
+// Synopsis:    Draws a box using OpenGL.
+//
+// Parameters:  The coordinates of the minimal and maximal corners of the box.
+//
+// Returns:     NOTHING
+//
+// Constraints: NONE
+//
+//-----------------------------------------------------------------------------
+void GLExt::drawBox( double x0, double y0, double z0, 
+                     double x1, double y1, double z1,
+                     float width  )
+{
+    glPushAttrib( GL_CURRENT_BIT | GL_LINE_BIT | GL_POLYGON_BIT );
+    //Store old line width
+    GLfloat oldWidth;
+    glGetFloatv( GL_LINE_WIDTH, &oldWidth );
+
+    //Set line width
+    glLineWidth( width );
+
+    glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
+    glBegin( GL_QUADS );
+
+        glVertex3f( (float)x0, (float)y0, (float)z0 );
+        glVertex3f( (float)x0, (float)y0, (float)z1 );
+        glVertex3f( (float)x1, (float)y0, (float)z1 );
+        glVertex3f( (float)x1, (float)y0, (float)z0 );
+
+        glVertex3f( (float)x0, (float)y1, (float)z0 );
+        glVertex3f( (float)x0, (float)y1, (float)z1 );
+        glVertex3f( (float)x1, (float)y1, (float)z1 );
+        glVertex3f( (float)x1, (float)y1, (float)z0 );
+
+    glEnd();
+
+    glBegin( GL_LINES );
+
+        glVertex3f( (float)x0, (float)y0, (float)z0 );
+        glVertex3f( (float)x0, (float)y1, (float)z0 );
+        
+        glVertex3f( (float)x0, (float)y0, (float)z1 );
+        glVertex3f( (float)x0, (float)y1, (float)z1 );
+
+        glVertex3f( (float)x1, (float)y0, (float)z1 );
+        glVertex3f( (float)x1, (float)y1, (float)z1 );
+
+        glVertex3f( (float)x1, (float)y0, (float)z0 );
+        glVertex3f( (float)x1, (float)y1, (float)z0 );
+    glEnd();
+    //glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
+
+    glLineWidth( oldWidth );
+    glPopAttrib();
+}
+
+//-----------------------------------------------------------------------------
+// d r a w B o x 
+//
+// Synopsis:    Draws a box using OpenGL.
+//
+// Parameters:  p0 - the minimal corner of the box.
+//              p1 - the maximal corner of the box.
+//
+// Returns:     NOTHING
+//
+// Constraints: NONE
+//
+//-----------------------------------------------------------------------------
+void GLExt::drawBox( const MPoint& p0, const MPoint& p1, float width )
+{
+    drawBox( p0.x, p0.y, p0.z, p1.x, p1.y, p1.z, width );
+}
+
+//-----------------------------------------------------------------------------
+// d r a w X Z P l a n e
+//
+// Synopsis:    Draws a finite plane in the XZ plane using OpenGL.
+//
+// Parameters:  x0, z0 - the minimal vertex of the finite plane.
+//              x1, z1 - the maximal vertex of the finite plane.
+//              y      - the height of the plane.
+//
+//
+// Returns:     NOTHING
+//
+// Constraints: NONE
+//
+//-----------------------------------------------------------------------------
+void GLExt::drawXZPlane( double xscale, 
+                         double yscale, 
+                         double zscale,
+                         double x0, 
+                         double z0, 
+                         double x1, 
+                         double z1, 
+                         double y,
+                         float width
+                       )
+{
+    glPushAttrib( GL_CURRENT_BIT | GL_LINE_BIT | GL_POLYGON_BIT );
+    //Store old line width
+    GLfloat oldWidth;
+    glGetFloatv( GL_LINE_WIDTH, &oldWidth );
+
+    //Set line width
+    glLineWidth( width );
+
+    glPushMatrix();
+    glScaled(xscale, yscale, zscale);
+
+    glPolygonMode(GL_FRONT_AND_BACK, GL_LINE );
+    glBegin( GL_QUADS );
+
+        glVertex3f( (float)x0, (float)y, (float)z0 );
+        glVertex3f( (float)x0, (float)y, (float)z1 );
+        glVertex3f( (float)x1, (float)y, (float)z1 );
+        glVertex3f( (float)x1, (float)y, (float)z0 );
+
+    glEnd();
+
+    glPopMatrix();
+
+    glLineWidth( oldWidth );
+    glPopAttrib();
+}
+
+//-----------------------------------------------------------------------------
+// d r a w X Z P l a n e
+//
+// Synopsis:    Draws a finite plane in the XZ plane using OpenGL.
+//
+// Parameters:  p0 - the minimal vertex of the finite plane.
+//              p1 - the maximal vertex of the finite plane.
+//
+// Returns:     NOTHING
+//
+// Constraints: The y component of p1 is ignored and the plane is drawn at 
+//              the height of the first point.
+//
+//-----------------------------------------------------------------------------
+void GLExt::drawXZPlane( double xscale, 
+                         double yscale,
+                         double zscale,
+                         const MPoint& v0, 
+                         const MPoint& v1,
+                         float width
+                       )
+{
+    drawXZPlane( xscale, yscale, zscale, v0.x, v0.z, v1.x, v1.z, v0.y, width );
+}
+
+//=============================================================================
+// GLExt::drawP
+//=============================================================================
+// Description: Comment
+//
+// Parameters:  (double scale, double tx, double ty, double tz, float width)
+//
+// Return:      void 
+//
+//=============================================================================
+void GLExt::drawP(double scale, double tx, double ty, double tz, float width)
+{
+    glPushAttrib( GL_CURRENT_BIT | GL_LINE_BIT | GL_POLYGON_BIT );
+    //Store old line width
+    GLfloat oldWidth;
+    glGetFloatv( GL_LINE_WIDTH, &oldWidth );
+
+    //Set line width
+    glLineWidth( width );
+
+    glPushMatrix();
+    glScaled(scale, scale, scale);
+    glTranslated(tx, ty, tz);
+    glBegin( GL_LINE_LOOP );
+        //Draw a "P" for pickup.
+        glVertex3d( 0,0,0);
+        glVertex3d( 0, 2.0, 0);
+        glVertex3d( 0.7, 2.0, 0);
+        glVertex3d( 1.2, 1.7, 0);
+        glVertex3d( 1.2, 1.3, 0);
+        glVertex3d( 0.7, 1, 0);
+        glVertex3d( 0, 1, 0);
+    glEnd();
+    glPopMatrix();
+
+    glLineWidth( oldWidth );
+    glPopAttrib();
+}
+
+//=============================================================================
+// GLExt::drawStickMan
+//=============================================================================
+// Description: Comment
+//
+// Parameters:  (double scale, double tx, double ty, double tz, float width)
+//
+// Return:      void 
+//
+//=============================================================================
+void GLExt::drawStickMan(double scale, double tx, double ty, double tz, float width)
+{
+    glPushAttrib( GL_CURRENT_BIT | GL_LINE_BIT | GL_POLYGON_BIT );
+    //Store old line width
+    GLfloat oldWidth;
+    glGetFloatv( GL_LINE_WIDTH, &oldWidth );
+
+    //Set line width
+    glLineWidth( width );
+
+    glPushMatrix();
+    glScaled(scale, scale, scale);
+    glTranslated(tx, ty, tz);
+    glBegin( GL_LINES );
+        glVertex3d( 0,0.6,0);
+        glVertex3d( 0, 1.5, 0);
+        glVertex3d( -0.5, 1.2, 0.0);
+        glVertex3d( 0.5, 1.2, 0);
+    glEnd();
+    glBegin( GL_LINE_STRIP );
+        glVertex3d( -0.5, 0, 0 );
+        glVertex3d( 0, 0.6, 0 );
+        glVertex3d( 0.5, 0, 0 );
+    glEnd();
+    glBegin( GL_QUADS );
+        glVertex3d( -0.125, 1.5, 0 );
+        glVertex3d( -0.125, 1.75, 0 );
+        glVertex3d( 0.125, 1.75, 0 );
+        glVertex3d( 0.125, 1.5, 0 );
+    glEnd();
+    glPopMatrix();
+
+    glLineWidth( oldWidth );
+    glPopAttrib();
+}
+
+//=============================================================================
+// GLExt::drawCar
+//=============================================================================
+// Description: Comment
+//
+// Parameters:  (double scale, double tx, double ty, double tz, float width)
+//
+// Return:      void 
+//
+//=============================================================================
+void GLExt::drawCar(double scale, double tx, double ty, double tz, float width)
+{
+    glPushAttrib( GL_CURRENT_BIT | GL_LINE_BIT | GL_POLYGON_BIT );
+    //Store old line width
+    GLfloat oldWidth;
+    glGetFloatv( GL_LINE_WIDTH, &oldWidth );
+
+    //Set line width
+    glLineWidth( width );
+
+    glPushMatrix();
+    glScaled(scale, scale, scale);
+    glTranslated(tx, ty, tz);
+    glBegin( GL_LINE_LOOP );
+        glVertex3d( 0, 0, 0);
+        glVertex3d( 0, 0, -0.25);
+        glVertex3d( 0, -0.2, -0.5 );
+        glVertex3d( 0, 0, -0.75 );
+        glVertex3d( 0, 0, -1.0 );
+        glVertex3d( 0, 0.4, -1.0 );
+        glVertex3d( 0, 0.4, -0.5 );
+        glVertex3d( 0, 0.7, -0.45 );
+        glVertex3d( 0, 0.7, 0.25 );
+        glVertex3d( 0, 0.4, 0.4 );
+        glVertex3d( 0, 0.3, 1.0 );
+        glVertex3d( 0, 0, 1.0 );
+        glVertex3d( 0, 0, 0.75 );
+        glVertex3d( 0, -0.2, 0.5 );
+        glVertex3d( 0, 0, 0.25 );
+    glEnd();
+    glPopMatrix();
+
+    glLineWidth( oldWidth );
+    glPopAttrib();
+}
+
+//=============================================================================
+// GLExt::drawA
+//=============================================================================
+// Description: Comment
+//
+// Parameters:  (double scale, double tx, double ty, double tz, float width)
+//
+// Return:      void 
+//
+//=============================================================================
+void GLExt::drawA(double scale, double tx, double ty, double tz, float width)
+{
+    glPushAttrib( GL_CURRENT_BIT | GL_LINE_BIT | GL_POLYGON_BIT );
+    //Store old line width
+    GLfloat oldWidth;
+    glGetFloatv( GL_LINE_WIDTH, &oldWidth );
+
+    //Set line width
+    glLineWidth( width );
+
+    //Draw an "A" on top of the pyramid
+    glPushMatrix();
+    glScaled(scale, scale, scale);
+    glTranslated(tx, ty, tz);
+    glBegin( GL_LINES );
+        glVertex3d( 0, 2.0, 0);
+        glVertex3d( -0.7, 0, 0);
+        glVertex3d( 0, 2.0, 0);
+        glVertex3d( 0.7, 0, 0);
+        glVertex3d( -0.7, 1.2, 0);
+        glVertex3d( 0.7, 1.2, 0);
+    glEnd();
+    glPopMatrix();
+
+    glLineWidth( oldWidth );
+    glPopAttrib();
+}
+
+//=============================================================================
+// GLExt::drawD
+//=============================================================================
+// Description: Comment
+//
+// Parameters:  (double scale, double tx, double ty, double tz, float width)
+//
+// Return:      void 
+//
+//=============================================================================
+void GLExt::drawD(double scale, double tx, double ty, double tz, float width)
+{
+    glPushAttrib( GL_CURRENT_BIT | GL_LINE_BIT | GL_POLYGON_BIT );
+    //Store old line width
+    GLfloat oldWidth;
+    glGetFloatv( GL_LINE_WIDTH, &oldWidth );
+
+    //Set line width
+    glLineWidth( width );
+
+    //Draw a "D" on top of the pyramid
+    glPushMatrix();
+    glScaled(scale, scale, scale);
+    glTranslated(tx, ty, tz);
+    glTranslated( -0.6, 0, 0);
+    glBegin( GL_LINE_LOOP );
+        //Draw a "D" for dropoff.
+        glVertex3d( 0, 0, 0);
+        glVertex3d( 0, 2.0, 0);
+        glVertex3d( 0.6, 2.0, 0);
+        glVertex3d( 1.1, 1.7, 0);
+        glVertex3d( 1.2, 1, 0);
+        glVertex3d( 1.1, 0.3, 0);
+        glVertex3d( 0.6, 0, 0);
+    glEnd();
+    glPopMatrix();
+    glLineWidth( oldWidth );
+    glPopAttrib();
+}
+
+//=============================================================================
+// GLExt::drawE
+//=============================================================================
+// Description: Comment
+//
+// Parameters:  (double scale, double tx, double ty, double tz, float width)
+//
+// Return:      void 
+//
+//=============================================================================
+void GLExt::drawE(double scale, double tx, double ty, double tz, float width)
+{
+    glPushAttrib( GL_CURRENT_BIT | GL_LINE_BIT | GL_POLYGON_BIT );
+    //Store old line width
+    GLfloat oldWidth;
+    glGetFloatv( GL_LINE_WIDTH, &oldWidth );
+
+    //Set line width
+    glLineWidth( width );
+
+    //Draw the Letter "E" on top of the pyramid
+    glPushMatrix();
+    glScaled(scale, scale, scale);
+    glTranslated(tx, ty, tz);
+    glBegin( GL_LINES );
+        glVertex3d( -0.4, 2,  0); 
+	    glVertex3d( -0.4, 0,  0);
+        glVertex3d( -0.4, 1, 0);
+        glVertex3d( 0.3, 1, 0);
+        glVertex3d( -0.4, 0, 0);
+        glVertex3d( 0.4, 0, 0);
+        glVertex3d( -0.4, 2, 0);
+        glVertex3d( 0.4, 2, 0);
+    glEnd();
+    glPopMatrix();
+
+    glLineWidth( oldWidth );
+    glPopAttrib();
+}
+
+//=============================================================================
+// GLExt::drawS
+//=============================================================================
+// Description: Comment
+//
+// Parameters:  (double scale, double tx, double ty, double tz, float width)
+//
+// Return:      void 
+//
+//=============================================================================
+void GLExt::drawS(double scale, double tx, double ty, double tz, float width)
+{
+    glPushAttrib( GL_CURRENT_BIT | GL_LINE_BIT | GL_POLYGON_BIT );
+    //Store old line width
+    GLfloat oldWidth;
+    glGetFloatv( GL_LINE_WIDTH, &oldWidth );
+
+    //Set line width
+    glLineWidth( width );
+
+    glPushMatrix();
+    glScaled(scale,scale,scale);
+    glTranslated(tx, ty, tz);
+    glTranslated( -0.75, 0, 0);
+    glBegin( GL_LINE_STRIP );
+        //Draw an "S" for sound
+        glVertex3d( 0, 0.3, 0);
+        glVertex3d( 0.4, 0, 0);
+        glVertex3d( 1.2, 0, 0);
+        glVertex3d( 1.5, 0.4, 0);
+        glVertex3d( 1.2, 0.8, 0);
+        glVertex3d( 0.3, 1.25, 0);
+        glVertex3d( 0.05, 1.5, 0);
+        glVertex3d( 0.25, 1.9, 0);
+        glVertex3d( 0.9, 2.0, 0);
+        glVertex3d( 1.4, 1.75, 0);
+    glEnd();
+    glPopMatrix();
+
+    glLineWidth( oldWidth );
+    glPopAttrib();
+}
+
+//=============================================================================
+// GLExt::drawCross
+//=============================================================================
+// Description: Comment
+//
+// Parameters:  (double scale, double tx, double ty, double tz, float width)
+//
+// Return:      void 
+//
+//=============================================================================
+void GLExt::drawCross(double scale, double tx, double ty, double tz, float width)
+{
+    glPushAttrib( GL_CURRENT_BIT | GL_LINE_BIT | GL_POLYGON_BIT );
+    //Store old line width
+    GLfloat oldWidth;
+    glGetFloatv( GL_LINE_WIDTH, &oldWidth );
+
+    //Set line width
+    glLineWidth( width );
+
+    glPushMatrix();
+    glScaled( scale, scale, scale );
+    glTranslated( tx, ty, tz );
+	glBegin( GL_LINES );
+			glVertex3d( -1, 0, 0 ); 
+			glVertex3d( 1, 0, 0 ); 
+			
+			glVertex3d( 0, 1, 0 ); 
+			glVertex3d( 0, -1, 0 ); 
+			
+			glVertex3d( 0, 0, 1 ); 
+			glVertex3d( 0, 0, -1 );
+	glEnd();
+    glPopMatrix();
+
+    glLineWidth( oldWidth );
+    glPopAttrib();
+}
+
+//=============================================================================
+// GLExt::drawLBolt
+//=============================================================================
+// Description: Comment
+//
+// Parameters:  ( double scale, double tx, double ty, double tz, float width )
+//
+// Return:      void 
+//
+//=============================================================================
+void GLExt::drawLBolt( double scale, double tx, double ty, double tz, float width )
+{
+    glPushAttrib( GL_CURRENT_BIT | GL_LINE_BIT | GL_POLYGON_BIT );
+    //Store old line width
+    GLfloat oldWidth;
+    glGetFloatv( GL_LINE_WIDTH, &oldWidth );
+
+    //Set line width
+    glLineWidth( width );
+
+    glPushMatrix();
+    glScaled(scale,scale,scale);
+    glTranslated(tx, ty, tz);
+    glBegin( GL_LINE_STRIP );
+        glVertex3d( 0, 0, 0); 
+	    glVertex3d( 0.5, 0.8,  0);
+        glVertex3d( -0.2, 1.4, 0);
+        glVertex3d( 0, 2.2, 0);
+        glVertex3d( -0.5, 1.4, 0);
+        glVertex3d( 0.2, 0.8, 0);
+        glVertex3d( 0, 0, 0 );
+    glEnd();
+    glPopMatrix();
+
+    glLineWidth( oldWidth );
+    glPopAttrib();
+}
+
+//=============================================================================
+// GLExt::drawI
+//=============================================================================
+// Description: Comment
+//
+// Parameters:  ( double scale, double tx, double ty, double tz, float width )
+//
+// Return:      void 
+//
+//=============================================================================
+void GLExt::drawI( double scale, double tx, double ty, double tz, float width )
+{
+    glPushAttrib( GL_CURRENT_BIT | GL_LINE_BIT | GL_POLYGON_BIT );
+    //Store old line width
+    GLfloat oldWidth;
+    glGetFloatv( GL_LINE_WIDTH, &oldWidth );
+
+    //Set line width
+    glLineWidth( width );
+
+    glPushMatrix();
+    glScaled(scale,scale,scale);
+    glTranslated(tx, ty, tz);
+    glBegin( GL_LINE_STRIP );
+        glVertex3d( -0.6, 2,  0); 
+	    glVertex3d( 0.6, 2,  0);
+        glVertex3d( 0, 2, 0);
+        glVertex3d( 0, 0, 0);
+        glVertex3d( -0.6, 0, 0);
+        glVertex3d( 0.6, 0, 0);
+    glEnd();
+    glPopMatrix();
+
+    glLineWidth( oldWidth );
+    glPopAttrib();
+}
+
+//=============================================================================
+// GLExt::drawW
+//=============================================================================
+// Description: Comment
+//
+// Parameters:  ( double scale, double tx, double ty, double tz, float width )
+//
+// Return:      void 
+//
+//=============================================================================
+void GLExt::drawW( double scale, double tx, double ty, double tz, float width )
+{
+    glPushAttrib( GL_CURRENT_BIT | GL_LINE_BIT | GL_POLYGON_BIT );
+    //Store old line width
+    GLfloat oldWidth;
+    glGetFloatv( GL_LINE_WIDTH, &oldWidth );
+
+    //Set line width
+    glLineWidth( width );
+
+    glPushMatrix();
+    glScaled(scale,scale,scale);
+    glTranslated(tx, ty, tz);
+    glBegin( GL_LINE_STRIP );
+        glVertex3d( -1.0, 2.0, 0);
+        glVertex3d( -0.5, 0, 0);
+        glVertex3d( 0, 1.5, 0);
+        glVertex3d( 0.5, 0, 0);
+        glVertex3d( 1.0, 2.0, 0);
+    glEnd();
+    glPopMatrix();
+
+    glLineWidth( oldWidth );
+    glPopAttrib();
+}
+
+//=============================================================================
+// GLExt::drawM
+//=============================================================================
+// Description: Comment
+//
+// Parameters:  ( double scale, double tx, double ty, double tz, float width )
+//
+// Return:      void 
+//
+//=============================================================================
+void GLExt::drawM( double scale, double tx, double ty, double tz, float width )
+{
+    glPushAttrib( GL_CURRENT_BIT | GL_LINE_BIT | GL_POLYGON_BIT );
+    //Store old line width
+    GLfloat oldWidth;
+    glGetFloatv( GL_LINE_WIDTH, &oldWidth );
+
+    //Set line width
+    glLineWidth( width );
+
+    glPushMatrix();
+    glScaled(scale,scale,scale);
+    glTranslated(tx, ty, tz);
+    glBegin( GL_LINE_STRIP );
+        glVertex3d( -1.0, 0, 0);
+        glVertex3d( -0.5, 2.0, 0);
+        glVertex3d( 0, 0.5, 0);
+        glVertex3d( 0.5, 2.0, 0);
+        glVertex3d( 1.0, 0, 0);
+    glEnd();
+    glPopMatrix();
+
+    glLineWidth( oldWidth );
+    glPopAttrib();
+}
+
+//=============================================================================
+// GLExt::drawC
+//=============================================================================
+// Description: Comment
+//
+// Parameters:  ( double scale, double tx, double ty, double tz, float width )
+//
+// Return:      void 
+//
+//=============================================================================
+void GLExt::drawC( double scale, double tx, double ty, double tz, float width )
+{
+    glPushAttrib( GL_CURRENT_BIT | GL_LINE_BIT | GL_POLYGON_BIT );
+    //Store old line width
+    GLfloat oldWidth;
+    glGetFloatv( GL_LINE_WIDTH, &oldWidth );
+
+    //Set line width
+    glLineWidth( width );
+
+    glPushMatrix();
+    glScaled(scale,scale,scale);
+    glTranslated(tx, ty, tz);
+    glBegin( GL_LINE_STRIP );
+        //Draw an "C" for carStart
+        glVertex3d( 0.7, 0.5, 0);
+        glVertex3d( 0.35, 0, 0);
+        glVertex3d( -0.35, 0, 0);
+        glVertex3d( -0.7, 0.5, 0);
+        glVertex3d( -0.7, 1.5, 0);
+        glVertex3d( -0.35, 2.0, 0);
+        glVertex3d( 0.35, 2.0, 0);
+        glVertex3d( 0.7, 1.5, 0);
+    glEnd();
+    glPopMatrix();
+
+    glLineWidth( oldWidth );
+    glPopAttrib();
+}
+
+//=============================================================================
+// GLExt::drawO
+//=============================================================================
+// Description: Comment
+//
+// Parameters:  ( double scale, double tx, double ty, double tz, float width )
+//
+// Return:      void 
+//
+//=============================================================================
+void GLExt::drawO( double scale, double tx, double ty, double tz, float width )
+{
+    scale = 100.0f;
+
+    glPushAttrib( GL_CURRENT_BIT | GL_LINE_BIT | GL_POLYGON_BIT );
+    //Store old line width
+    GLfloat oldWidth;
+    glGetFloatv( GL_LINE_WIDTH, &oldWidth );
+
+    //Set line width
+    glLineWidth( width );
+
+    glPushMatrix();
+    glTranslated(tx, ty, tz);
+    glScaled(scale,scale,scale);
+    glBegin( GL_LINE_STRIP );
+        //Draw an "O"
+        glVertex3d( 0.7, 0.5, 0);
+        glVertex3d( 0, 0, 0);
+        glVertex3d( -0.7, 0.5, 0);
+        glVertex3d( -0.7, 1.5, 0);
+        glVertex3d( 0, 2.0, 0);
+        glVertex3d( 0.7, 1.5, 0);
+        glVertex3d( 0.7, 0.5, 0);
+    glEnd();
+    glPopMatrix();
+
+    glLineWidth( oldWidth );
+    glPopAttrib();
+}
+