puck.cc

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#include "stage.hh"
#include "worldfile.hh"
using namespace Stg;

Puck::Puck()
    : color(color_pack(1, 0, 0, 0)), displaylist(0), height(0.2), pose(0, 0, 0, 0), radius(0.1)
{ /* empty */
}

void Puck::Load(Worldfile *wf, int section)
{
  pose.Load(wf, section, "pose");
  // color.Load( wf, section, "color" );

  radius = wf->ReadLength(section, "radius", radius);
  height = wf->ReadLength(section, "height", height);

  BuildDisplayList();
}

void Puck::Save(Worldfile *wf, int section)
{
  pose.Save(wf, section, "pose");
  // color.Save( wf, section, "color" );

  wf->WriteLength(section, "radius", radius);
  wf->WriteLength(section, "height", height);
}

void Puck::BuildDisplayList()
{
  if (displaylist == 0)
    displaylist = glGenLists(1);

  glNewList(displaylist, GL_COMPILE);

  GLUquadricObj *q = gluNewQuadric();
  glColor3f(1, 0, 0);

  // draw a filled body
  glPushMatrix();
  glTranslatef(pose.x, pose.y, pose.z);
  gluCylinder(q, radius, radius, height, 16, 1);
  glTranslatef(0, 0, height);
  gluDisk(q, 0, radius, 16, 16);
  glPopMatrix();

  // outline the sides in a darker shade
  double r, g, b, a;
  color_unpack(color, &r, &g, &b, &a);
  glColor3f(r / 2.0, g / 2.0, b / 2.0);

  gluQuadricDrawStyle(q, GLU_LINE);
  glTranslatef(pose.x, pose.y, pose.z);
  gluCylinder(q, radius + 0.001, radius + 0.001, height + 0.001, 16, 1);

  // clean up
  gluDeleteQuadric(q);
  glEndList();
}

void Puck::Draw()
{
  if (displaylist == 0)
    BuildDisplayList();

  glPushMatrix();
  glCallList(displaylist);
  glPopMatrix();
}