git.mutantstargoat.com Git - laserbrain_demo/blob - src/exhibit.cc

   1 #include "exhibit.h"
   2 #include "snode.h"
   3 #include "scene.h"
   4 #include "geomdraw.h"
   5 #include "app.h"
   6
   7 class ExhibitPriv {
   8 public:
   9         Vec3 orig_pos;
  10         Quat orig_rot;
  11         SceneNode *orig_node;
  12
  13         ExhibitPriv();
  14 };
  15
  16
  17 // selection
  18 ExSelection::ExSelection(Exhibit *ex)
  19 {
  20         this->ex = ex;
  21         obj = data = 0;
  22         validmask = 0;
  23 }
  24
  25 ExSelection::operator bool() const
  26 {
  27         return ex != 0;
  28 }
  29
  30 // Exhibit data
  31 ExData::ExData()
  32 {
  33         voice = 0;
  34 }
  35
  36 ExData::~ExData()
  37 {
  38         delete voice;
  39 }
  40
  41 // private data for each exhibit type
  42 ExhibitPriv::ExhibitPriv()
  43 {
  44         orig_node = 0;
  45 }
  46
  47 // exhibit class
  48 Exhibit::Exhibit()
  49 {
  50         priv = new ExhibitPriv;
  51 }
  52
  53 Exhibit::~Exhibit()
  54 {
  55         delete priv;
  56 }
  57
  58 void Exhibit::set_node(SceneNode *node)
  59 {
  60         this->node = priv->orig_node = node;
  61         priv->orig_pos = node->get_position();
  62         priv->orig_rot = node->get_rotation();
  63 }
  64
  65 ExSelection Exhibit::select(const Ray &ray) const
  66 {
  67         ExSelection sel;
  68         HitPoint hit;
  69         if(get_aabox().intersect(ray, &hit)) {
  70                 sel.ex = (Exhibit*)this;
  71                 sel.selray = ray;
  72                 sel.dist = hit.dist;
  73                 sel.validmask = EXSEL_RAY;
  74         }
  75         return sel;
  76 }
  77
  78 ExSelection Exhibit::select(const Sphere &sph) const
  79 {
  80         return ExSelection(0);  // TODO
  81 }
  82
  83 void Exhibit::update(float dt)
  84 {
  85 }
  86
  87 void Exhibit::pre_draw() const
  88 {
  89         if(node) {
  90                 glMatrixMode(GL_MODELVIEW);
  91                 glPushMatrix();
  92                 glMultMatrixf(node->get_matrix()[0]);
  93         }
  94 }
  95
  96 void Exhibit::draw() const
  97 {
  98 }
  99
 100 void Exhibit::post_draw() const
 101 {
 102         if(node) {
 103                 glMatrixMode(GL_MODELVIEW);
 104                 glPopMatrix();
 105
 106                 if(exsel_hover.ex == this) {
 107                         const AABox &bvol = get_aabox();
 108                         draw_geom_object(&bvol);
 109                 }
 110         }
 111 }
 112
 113
 114 const AABox &Exhibit::get_aabox() const
 115 {
 116         aabb = node->get_bounds();
 117         return aabb;
 118 }