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