/********************************************************************************
*                                                                               *
*                      O p e n G L   C o n e   O b j e c t                      *
*                                                                               *
*********************************************************************************
* Copyright (C) 1999,2025 by Jeroen van der Zijp.   All Rights Reserved.        *
*********************************************************************************
* This library is free software; you can redistribute it and/or modify          *
* it under the terms of the GNU Lesser General Public License as published by   *
* the Free Software Foundation; either version 3 of the License, or             *
* (at your option) any later version.                                           *
*                                                                               *
* This library is distributed in the hope that it will be useful,               *
* but WITHOUT ANY WARRANTY; without even the implied warranty of                *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the                 *
* GNU Lesser General Public License for more details.                           *
*                                                                               *
* You should have received a copy of the GNU Lesser General Public License      *
* along with this program.  If not, see <http://www.gnu.org/licenses/>          *
********************************************************************************/
#include "fx.h"
#include "fx3d.h"
#include "FXGLShape.h"
#include "FXGLCone.h"

// GLU versions prior to 1.1 have GLUquadric
#if !defined(GLU_VERSION_1_1) && !defined(GLU_VERSION_1_2) && !defined(GLU_VERSION_1_3)
#define GLUquadricObj GLUquadric
#endif


// Cone fidelity
#define FXGLCONE_SLICES_NUMBER		20
#define FXGLCONE_STACKS_NUMBER		20
#define FXGLCONE_LOOPS			4


/*******************************************************************************/

// Object implementation
FXIMPLEMENT(FXGLCone,FXGLShape,nullptr,0)


// Create cone
FXGLCone::FXGLCone():height(1.0f),radius(1.0f){
  FXTRACE((100,"FXGLCone::FXGLCone\n"));
  range.set(-radius,radius,0.0f,height,-radius,radius);
  }


// Create cone
FXGLCone::FXGLCone(FXfloat x,FXfloat y,FXfloat z,FXfloat h,FXfloat r):FXGLShape(x,y,z,SHADING_SMOOTH|STYLE_SURFACE),height(h),radius(r){
  FXTRACE((100,"FXGLCone::FXGLCone\n"));
  range.set(-radius,radius,0.0f,height,-radius,radius);
  }


// Create cone
FXGLCone::FXGLCone(FXfloat x,FXfloat y,FXfloat z,FXfloat h, FXfloat r,const FXMaterial& mtl):FXGLShape(x,y,z,SHADING_SMOOTH|STYLE_SURFACE,mtl,mtl),height(h),radius(r){
  FXTRACE((100,"FXGLCone::FXGLCone\n"));
  range.set(-radius,radius,0.0f,height,-radius,radius);
  }


// Copy constructor
FXGLCone::FXGLCone(const FXGLCone& orig):FXGLShape(orig){
  FXTRACE((100,"FXGLCone::FXGLCone\n"));
  height=orig.height;
  radius=orig.radius;
  }


// Change radius
void FXGLCone::setRadius(FXfloat r){
  if(radius!=r){
    range.lower.x=range.lower.z=-r;
    range.upper.x=range.upper.z= r;
    radius=r;
    }
  }


// Change height
void FXGLCone::setHeight(FXfloat h){
  if(height!=h){
    range.upper.y=h;
    height=h;
    }
  }


// Draw
void FXGLCone::drawshape(FXGLViewer*){
#ifdef HAVE_GL_H
  GLUquadricObj* quad=gluNewQuadric();
  gluQuadricDrawStyle(quad,(GLenum)GLU_FILL);
  /*
    gluQuadricNormals(quad,(GLenum)GLU_SMOOTH);
    gluQuadricOrientation(quad,(GLenum)GLU_OUTSIDE);
  */
  glPushMatrix();
  glRotatef(-90.0f,1.0f,0.0f,0.0f);
  gluCylinder(quad,radius,0,height,FXGLCONE_SLICES_NUMBER,FXGLCONE_STACKS_NUMBER);
  gluQuadricOrientation(quad,(GLenum)GLU_INSIDE);
  gluDisk(quad,0,radius,FXGLCONE_SLICES_NUMBER,FXGLCONE_LOOPS);
  gluDeleteQuadric(quad);
  glPopMatrix();
#endif
  }


// Copy this object
FXGLObject* FXGLCone::copy(){
  return new FXGLCone(*this);
  }


// Save object to stream
void FXGLCone::save(FXStream& store) const {
  FXGLShape::save(store);
  store << height << radius;
  }


// Load object from stream
void FXGLCone::load(FXStream& store){
  FXGLShape::load(store);
  store >> height >> radius;
  }


// Destroy
FXGLCone::~FXGLCone(){
  FXTRACE((100,"FXGLCone::~FXGLCone\n"));
  }
