Method updateImageAnimation

Engine/source/T3D/shapeImage.cpp:3160–3216

//----------------------------------------------------------------------------

void ShapeBase::updateImageAnimation(U32 imageSlot, F32 dt)
{
   if (!mMountedImageList[imageSlot].dataBlock)
      return;
   MountedImage& image = mMountedImageList[imageSlot];
   U32 imageShapeIndex = getImageShapeIndex(image);

   // Advance animation threads
   for (U32 i=0; i<ShapeBaseImageData::MaxShapes; ++i)
   {
      if (!image.dataBlock->shapeIsValid[i] || (i != imageShapeIndex && !image.doAnimateAllShapes))
         continue;

      if (image.ambientThread[i])
         image.shapeInstance[i]->advanceTime(dt,image.ambientThread[i]);
      if (image.animThread[i])
         image.shapeInstance[i]->advanceTime(dt,image.animThread[i]);
      if (image.spinThread[i])
         image.shapeInstance[i]->advanceTime(dt,image.spinThread[i]);
      if (image.flashThread[i])
         image.shapeInstance[i]->advanceTime(dt,image.flashThread[i]);
   }

   // Broadcast the update
   onImageAnimThreadUpdate(imageSlot, imageShapeIndex, dt);

   image.updateSoundSources(getRenderTransform());

   // Particle emission
   for (S32 i = 0; i < MaxImageEmitters; i++) {
      MountedImage::ImageEmitter& em = image.emitter[i];
      if (bool(em.emitter)) {
         if (em.time > 0) {
            em.time -= dt;

            // Do we need to update the emitter's node due to the current shape changing?
            if (imageShapeIndex != image.lastShapeIndex)
            {
               em.node = image.state->emitterNode[imageShapeIndex];
            }

            MatrixF mat;
            getRenderImageTransform(imageSlot,em.node,&mat);
            Point3F pos,axis;
            mat.getColumn(3,&pos);
            mat.getColumn(1,&axis);
            em.emitter->emitParticles(pos,true,axis,getVelocity(),(U32) (dt * 1000));
         }
         else {
            em.emitter->deleteWhenEmpty();
            em.emitter = 0;
         }
      }
   }

   image.lastShapeIndex = imageShapeIndex;
}