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         target_obj(0),
  12         anim(0),
  13         stacked(false),
  14         player(0)
  15 { }
  16
  17 Animate::Animate(GL::Placeable &t, const GL::Animation &a, GL::AnimationPlayer &p, bool s):
  18         target(&t),
  19         target_obj(0),
  20         anim(&a),
  21         stacked(s),
  22         player(&p)
  23 { }
  24
  25 void Animate::validate() const
  26 {
  27         if(!target)
  28                 throw logic_error("null target");
  29         if(!anim)
  30                 throw logic_error("null animation");
  31         if(!player)
  32                 throw logic_error("null player");
  33 }
  34
  35 void Animate::start(float, float d)
  36 {
  37         float speed = 1.0f;
  38         if(!anim->is_looping() && d)
  39                 speed = (anim->get_duration()/Time::sec)/d;
  40         if(target_obj)
  41         {
  42                 if(stacked)
  43                         player->play_stacked(*target_obj, *anim, speed);
  44                 else
  45                         player->play(*target_obj, *anim, speed);
  46         }
  47         else
  48         {
  49                 if(stacked)
  50                         player->play_stacked(*target, *anim, speed);
  51                 else
  52                         player->play(*target, *anim, speed);
  53         }
  54 }
  55
  56
  57 Animate::Loader::Loader(Animate &a, Demo &d):
  58         DataFile::DerivedObjectLoader<Animate, Action::Loader>(a, d)
  59 {
  60         a.player = &demo.get_animation_player();
  61         add("animation", &Loader::animation);
  62         add("stacked", &Animate::stacked);
  63         add("target", &Loader::target);
  64 }
  65
  66 void Animate::Loader::animation(const string &n)
  67 {
  68         obj.anim = &demo.get_resources().get<GL::Animation>(n);
  69 }
  70
  71 void Animate::Loader::target(const string &n)
  72 {
  73         obj.target = &demo.get_thing<GL::Placeable>(n);
  74         obj.target_obj = dynamic_cast<GL::AnimatedObject *>(obj.target);
  75 }
  76
  77 } // namespace DemoScene
  78 } // namespace Msp