static bool hideSideBar(CubeID cid, Side s) {
// If cid is showing a bar on side s, hide it and check if the
// blicket detector should turn off.
ASSERT(activeCubes.test(cid));
if (!vbuf[cid].sprites[s].isHidden()) {
vbuf[cid].sprites[s].hide();
if (barSpriteCount(cid) == 0 && cid == 0) {
vbuf[cid].bg0.image(vec(0,0), Backgrounds, 0);
}
else {
vbuf[cid].bg0.image(vec(0,0), cond.get_condition(), cid - 1);
}
return true;
} else {
return false;
}
}
static bool showSideBar(CubeID cid, Side s) {
// If cid is not showing a bar on side s, show it and check if the
// blicket detector shold go off.
ASSERT(activeCubes.test(cid));
if (vbuf[cid].sprites[s].isHidden()) {
vbuf[cid].sprites[s].setImage(Bars[s]);
vbuf[cid].sprites[s].move(getRestPosition(s));
if (barSpriteCount(cid) == 1 && cid == 0) {
vbuf[cid].bg0.image(vec(0,0), Backgrounds, 1);
}
else {
vbuf[cid].bg0.image(vec(0,0), cond.get_condition(), cid - 1);
}
return true;
} else {
return false;
}
}
static void activateCube(CubeID cid) {
// Mark cube as active and render its canvas
//
activeCubes.mark(cid);
vbuf[cid].initMode(BG0_SPR_BG1);
if (cid == 0) {
vbuf[cid].bg0.image(vec(0,0), Backgrounds, 0);
} else {
vbuf[cid].bg0.image(vec(0,0), cond.get_condition(), cid - 1);
}
auto neighbors = vbuf[cid].physicalNeighbors();
for(int side=0; side<4; ++side) {
if (neighbors.hasNeighborAt(Side(side))) {
showSideBar(cid, Side(side));
} else {
hideSideBar(cid, Side(side));
}
}
}
