qcsrc/menu/anim/keyframe.qc

   1 #include "keyframe.qh"
   2 #ifndef ANIM_KEYFRAME_H
   3         #define ANIM_KEYFRAME_H
   4         #include "animation.qc"
   5         CLASS(Keyframe, Animation)
   6                 METHOD(Keyframe, addEasing, entity(entity, float, float, float(float, float, float, float)));
   7                 METHOD(Keyframe, addAnim, void(entity, entity));
   8                 METHOD(Keyframe, calcValue, float(entity, float, float, float, float));
   9                 ATTRIB(Keyframe, currentChild, entity, NULL)
  10                 ATTRIB(Keyframe, firstChild, entity, NULL)
  11                 ATTRIB(Keyframe, lastChild, entity, NULL)
  12         ENDCLASS(Keyframe)
  13         entity makeHostedKeyframe(entity, void(entity, float), float, float, float);
  14         entity makeKeyframe(entity, void(entity, float), float, float, float);
  15         float getNewChildStart(entity);
  16         float getNewChildDuration(entity, float);
  17         float getNewChildValue(entity);
  18 #endif
  19
  20 #ifdef IMPLEMENTATION
  21         entity makeHostedKeyframe(entity obj, void(entity, float) objSetter, float animDuration, float animStart, float animEnd)
  22         {
  23                 entity this = makeKeyframe(obj, objSetter, animDuration, animStart, animEnd);
  24                 anim.addAnim(anim, this);
  25                 return this;
  26         }
  27
  28         entity makeKeyframe(entity obj, void(entity, float) objSetter, float animDuration, float animStart, float animEnd)
  29         {
  30                 entity this = NEW(Keyframe);
  31                 this.configureAnimation(this, obj, objSetter, time, animDuration, animStart, animEnd);
  32                 return this;
  33         }
  34
  35         METHOD(Keyframe, addEasing, entity(entity this, float animDurationTime, float animEnd, float(float, float, float, float) func))
  36         {
  37                 entity other = makeEasing(this.object, this.setter, func, getNewChildStart(this), getNewChildDuration(this, animDurationTime), getNewChildValue(this), animEnd);
  38                 this.addAnim(this, other);
  39                 return other;
  40         }
  41
  42         float getNewChildStart(entity this)
  43         {
  44                 if (this.lastChild) return this.lastChild.startTime + this.lastChild.duration;
  45                 else return 0;
  46         }
  47
  48         float getNewChildDuration(entity this, float durationTime)
  49         {
  50                 float maxDura = this.duration;
  51                 if (this.lastChild) maxDura = maxDura - (this.lastChild.startTime + this.lastChild.duration);
  52                 float dura = durationTime;
  53                 if (0 >= dura || dura > maxDura) dura = maxDura;
  54                 return dura;
  55         }
  56
  57         float getNewChildValue(entity this)
  58         {
  59                 if (this.lastChild) return this.lastChild.startValue + this.lastChild.delta;
  60                 else return this.startValue;
  61         }
  62
  63         METHOD(Keyframe, addAnim, void(entity this, entity other))
  64         {
  65                 if (other.parent) error("Can't add already added anim!");
  66
  67                 if (other.isFinished(other)) error("Can't add finished anim!");
  68
  69                 other.parent = this;
  70
  71                 entity l = this.lastChild;
  72
  73                 if (l)
  74                 {
  75                         l.nextSibling = other;
  76                 }
  77                 else
  78                 {
  79                         this.currentChild = other;
  80                         this.firstChild = other;
  81                 }
  82
  83                 other.prevSibling = l;
  84                 other.nextSibling = NULL;
  85                 this.lastChild = other;
  86         }
  87
  88         METHOD(Keyframe, calcValue, float(entity this, float tickTime, float animDuration, float animStartValue, float animDelta))
  89         {
  90                 if (this.currentChild)
  91                         if (this.currentChild.isFinished(this.currentChild)) this.currentChild = this.currentChild.nextSibling;
  92
  93                 if (this.currentChild)
  94                 {
  95                         this.currentChild.tick(this.currentChild, tickTime);
  96                         return this.currentChild.value;
  97                 }
  98
  99                 return animStartValue + animDelta;
 100         }
 101 #endif