// deliver data that is already available
void datacloud::deliverdata(databuf *hfield,databuf *texture,databuf *fogmap,BOOLINT immediate,int *col,int *row,int *hlod,int *tlod)
{
float prio,p;
jobqueueelem *job,*scan;
BOOLINT isavailable;
// start periodical tasks
if (!immediate)
{
if (!DELIVERED)
{
// delete delayed jobs
deletedelayedjobs();
// delete delayed tiles
deletedelayedtiles();
// delete expired tiles
deleteexpiredtiles();
// shrink cache to maximum allowed size
shrinkcache(MAXSIZE*1024*1024);
}
// load pending tiles in the background
startthread();
}
// check deferred data delivery
if (!immediate)
if (DELIVERED)
// stop deferred data delivery if time is up
if (gettime()-DELIVERYSTART>TIMESLOT)
{
DELIVERED=FALSE;
return;
}
// scan jobs
if (!immediate)
{
prio=0.0f;
job=NULL;
scan=JOBQUEUETAIL;
while (scan!=NULL)
{
p=0.0f;
isavailable=TRUE;
// check the availability of all required maps:
if (scan->hfield!=NULL)
if (!scan->hfield->isavailable) isavailable=FALSE;
else p=getpriority(scan->hfield);
if (scan->texture!=NULL)
if (!scan->texture->isavailable) isavailable=FALSE;
if (scan->fogmap!=NULL)
if (!scan->fogmap->isavailable) isavailable=FALSE;
// check the priority of the job
if (isavailable && p>=prio)
{
prio=p;
job=scan;
}
scan=scan->prev;
}
}
else job=JOBQUEUE;
// deferred data delivery
if (job!=NULL)
{
// return maps
if (job->hfield!=NULL) *hfield=*(job->hfield->tile);
if (job->texture!=NULL) *texture=*(job->texture->tile);
if (job->fogmap!=NULL) *fogmap=*(job->fogmap->tile);
// return tile position
if (col!=NULL) *col=job->col;
if (row!=NULL) *row=job->row;
// return level of detail
if (hlod!=NULL) *hlod=job->hlod;
if (tlod!=NULL) *tlod=job->tlod;
// check for immediate delivery
if (immediate) DELIVERED=FALSE;
// remember starting time of deferred delivery
else if (!DELIVERED)
{
DELIVERED=TRUE;
DELIVERYSTART=gettime();
}
// remove finished job from queue
deletejob(job);
}
else DELIVERED=FALSE;
}
// deliver data that is already available
void datacloud::deliverdata(databuf *hfield,databuf *texture,databuf *fogmap,BOOLINT immediate,int *col,int *row,int *hlod,int *tlod)
{
// start periodical tasks
if (!immediate)
{
if (!DELIVERED)
{
// delete expired tiles
deleteexpiredtiles();
// shrink cache to maximum allowed size
shrinkcache(MAXSIZE*1024*1024);
}
// load pending tiles in the background
startthread();
}
// check deferred data delivery
if (!immediate)
if (DELIVERED)
{
double upload=minitime()-DELIVERYSTART;
// stop deferred data delivery because time is up
if (upload>TIMESLOT)
{
DELIVERED=FALSE;
return;
}
}
jobqueueelem *job=JOBQUEUE;
// scan jobs
if (!immediate)
while (job!=NULL)
{
BOOLINT isavailable=TRUE;
// check availability of maps:
if (job->hfield!=NULL)
if (!job->hfield->isavailable) isavailable=FALSE;
if (job->texture!=NULL)
if (!job->texture->isavailable) isavailable=FALSE;
if (job->fogmap!=NULL)
if (!job->fogmap->isavailable) isavailable=FALSE;
// start deferred data delivery
if (isavailable) break;
job=job->next;
}
// data delivery
if (job!=NULL)
{
// return maps
if (job->hfield!=NULL) *hfield=*(job->hfield->tile);
if (job->texture!=NULL) *texture=*(job->texture->tile);
if (job->fogmap!=NULL) *fogmap=*(job->fogmap->tile);
// return tile position
if (col!=NULL) *col=job->col;
if (row!=NULL) *row=job->row;
// return level of detail
if (hlod!=NULL) *hlod=job->hlod;
if (tlod!=NULL) *tlod=job->tlod;
// check for immediate delivery
if (immediate) DELIVERED=FALSE;
// remember starting time of deferred delivery
else if (!DELIVERED)
{
DELIVERED=TRUE;
DELIVERYSTART=minitime();
}
// remove finished job from queue
deletejob(job);
}
else DELIVERED=FALSE;
}
