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 = (d ? (anim->get_duration()/Time::sec)/d : 1.0f);
  34         player->play(*target, *anim, speed);
  35 }
  36
  37
  38 Animate::Loader::Loader(Animate &a, Demo &d):
  39         DataFile::DerivedObjectLoader<Animate, Action::Loader>(a, d)
  40 {
  41         a.player = &demo.get_animation_player();
  42         add("animation", &Loader::animation);
  43         add("target", &Loader::target);
  44 }
  45
  46 void Animate::Loader::animation(const string &n)
  47 {
  48         obj.anim = &demo.get_resources().get<GL::Animation>(n);
  49 }
  50
  51 void Animate::Loader::target(const string &n)
  52 {
  53         obj.target = &demo.get_thing<GL::Placeable>(n);
  54 }
  55
  56 } // namespace DemoScene
  57 } // namespace Msp