basic/opengl/GL_Universe.cpp

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//## begin module%372F643901B8.cm preserve=no
//        %X% %Q% %Z% %W%
//## end module%372F643901B8.cm

//## begin module%372F643901B8.cp preserve=no
//## end module%372F643901B8.cp

//## Module: GL_Universe%372F643901B8; Pseudo Package body
//## Source file: C:\project\mpk\code\OpenGL\GL_Universe.cpp

//## begin module%372F643901B8.additionalIncludes preserve=no
//## end module%372F643901B8.additionalIncludes

//## begin module%372F643901B8.includes preserve=yes
//#include "glos.h"
//#include "stdafx.h"           //IAN IMPROVE: this is platform dependant
#include <windows.h>
#include <gl\gl.h>
#include <assert.h>
//## end module%372F643901B8.includes

// Entity
#include "Universe\Entity.h"
// GL_Frame
#include "OpenGL\GL_Frame.h"
#include "OpenGL\GL_Material.h"
// GL_Universe
#include "OpenGL\GL_Universe.h"
//## begin module%372F643901B8.additionalDeclarations preserve=yes
//## end module%372F643901B8.additionalDeclarations


// Class GL_Universe 

GL_Universe::GL_Universe()
:Universe(), OpenGLInterface()
{
        showFrame = false;
}

GL_Universe::~GL_Universe()
{
  //## begin GL_Universe::~GL_Universe%.body preserve=yes
  //## end GL_Universe::~GL_Universe%.body
}

//==============================================================================
// GlDraw
//
// Description: Draws the universe using OpenGL
//==============================================================================
void GL_Universe::GLDraw () const
{
        SetupState();

        GL_Material::matGrayPlastic.GLDraw() ;
        DrawFrame0();

        GL_Material::matRedPlastic.GLDraw() ;
        DrawNotFrame0();
}

void GL_Universe::DrawFrame0 () const
{
  //## begin GL_Universe::DrawFrame0%940546748.body preserve=yes
        //draw all the entities in the universe
        for( int i = 0; i < entities.size(); i++ )
        {
                Entity* entity = entities[ i ] ;
                OpenGLInterface* drawMe = dynamic_cast< OpenGLInterface* >( entity ) ;
                if( drawMe != NULL )
                {
                        if( entity->BaseFrame() == 0 )
                        {
                                Matrix4x4 matrix = entity->GetTransform() ;
                                GL_Frame theFrame ( matrix, showFrame );
                                glPushMatrix() ;
                                theFrame.GLDraw() ;     //IMPROVE: this is a big deal just to get the transform right
                                drawMe->GLDraw() ;
                                glPopMatrix() ;
                        }
                }
        }

  //## end GL_Universe::DrawFrame0%940546748.body
}

void GL_Universe::DrawNotFrame0 () const
{
        //draw all the entities in the universe
        for( int i = 0; i < entities.size(); i++ )
        {
                Entity* entity = entities[ i ] ;
                if( entity->BaseFrame() != 0 )
                {
                        OpenGLInterface* drawMe = dynamic_cast< OpenGLInterface* >( entity ) ;
                        if( drawMe != NULL )
                        {
                                Matrix4x4 matrix = entity->GetTransform() ;
                                GL_Frame theFrame ( matrix, showFrame );
                                glPushMatrix() ;
                                theFrame.GLDraw() ;     //IMPROVE: this is a big deal just to get the transform right
                                drawMe->GLDraw() ;
                                glPopMatrix() ;
                        }
                        else
                        {
                        }
                }
        }
}

bool GL_Universe::DrawExplicit () const
{
        assert( false ) ;
        return false ;
}

void GL_Universe::SetDrawFrame(bool bShow) 
{
        showFrame = bShow;
}

//==============================================================================
// SetupState
//
// Description: Sets the lighting, depth buffer, etc state before drawing
//==============================================================================
void GL_Universe::SetupState() const
{
        //
        // Set the color to white
        //
        ::glColor3d( 1.0, 1.0, 1.0 );

        //
        // Enable lighting and depth test
        //
        glEnable( GL_LIGHTING );
        glEnable( GL_DEPTH_TEST );

}

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