int drop(PIECE ¤tPiece){
int i;
//printf("entered drop\n");
PIECE potentialPiece;
for(int i = 0; i < 4; i++){
potentialPiece.index[i].x = currentPiece.index[i].x;
potentialPiece.index[i].y = currentPiece.index[i].y;
}
potentialPiece.shape = currentPiece.shape;
potentialPiece.state = currentPiece.state;
while(blockTest(potentialPiece)){
for(i = 0; i < 4; i++){
potentialPiece.index[i].y = potentialPiece.index[i].y - 1;
if(potentialPiece.index[i].y < 0){
for(int i = 0; i < 4; i++){
currentPiece.index[i].y = potentialPiece.index[i].y + 1;
}
settle(currentPiece);
return 1;
}
}
}
for(int i = 0; i < 4; i++){
currentPiece.index[i].y = potentialPiece.index[i].y + 1;
}
settle(currentPiece);
return 1;
}
static void workThread(threadInfo *pthreadInfo)
{
cmdInfo *pcmdInfo;
asynUser *pasynUser;
while(1) {
epicsEventMustWait(pthreadInfo->work);
pcmdInfo = pthreadInfo->pcmdInfo;
pasynUser = pcmdInfo->pasynUser;
if(pcmdInfo->test==quit) break;
switch(pcmdInfo->test) {
case connect: connectTest(pasynUser);break;
case testBlock: blockTest(pasynUser); break;
case testCancelRequest: cancelTest(pasynUser); break;
default:
fprintf(pcmdInfo->file,"%s workThread illegal test %d\n",
pthreadInfo->threadName,pcmdInfo->test);
}
fprintf(pcmdInfo->file,"%s %s all done\n",
pthreadInfo->threadName,pcmdInfo->message);
epicsEventSignal(pthreadInfo->done);
}
epicsEventSignal(pthreadInfo->done);
}
