source/animate.cpp

   1 #include "animate.h"
   2 #include "demo.h"
   3
   4 using namespace std;
   5
   6 namespace Msp {
   7 namespace DemoScene {
   8
   9 Animate::Animate():
  10         target(0),
  11         anim(0),
  12         player(0)
  13 { }
  14
  15 Animate::Animate(GL::Placeable &t, const GL::Animation &a, GL::AnimationPlayer &p):
  16         target(&t),
  17         anim(&a),
  18         player(&p)
  19 { }
  20
  21 void Animate::validate() const
  22 {
  23         if(!target)
  24                 throw logic_error("null target");
  25         if(!anim)
  26                 throw logic_error("null animation");
  27         if(!player)
  28                 throw logic_error("null player");
  29 }
  30
  31 void Animate::start(float, float d)
  32 {
  33         float speed = 1.0f;
  34         if(!anim->is_looping() && d)
  35                 speed = (anim->get_duration()/Time::sec)/d;
  36         player->play(*target, *anim, speed);
  37 }
  38
  39
  40 Animate::Loader::Loader(Animate &a, Demo &d):
  41         DataFile::DerivedObjectLoader<Animate, Action::Loader>(a, d)
  42 {
  43         a.player = &demo.get_animation_player();
  44         add("animation", &Loader::animation);
  45         add("target", &Loader::target);
  46 }
  47
  48 void Animate::Loader::animation(const string &n)
  49 {
  50         obj.anim = &demo.get_resources().get<GL::Animation>(n);
  51 }
  52
  53 void Animate::Loader::target(const string &n)
  54 {
  55         obj.target = &demo.get_thing<GL::Placeable>(n);
  56 }
  57
  58 } // namespace DemoScene
  59 } // namespace Msp