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Vertical stacking behaviour fix (#7054)

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The overflow function covers the necessary edge case, the minimized branch of it was an artefact of earlier builds
This commit is contained in:
DawnFire42
2026-07-27 08:00:28 -07:00
committed by GitHub
parent 688c5d2a12
commit 4bb8831531
1 changed files with 23 additions and 31 deletions
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cockatrice/src/game_graphics/zones/select_zone.cpp
+23 -31
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@@ -22,40 +22,32 @@ SelectZone::ZoneLayout SelectZone::computeZoneLayout(const StackLayoutParams &pa
}
qreal effectiveOffset = params.desiredOffset;
if (params.cardCount > 1) {
qreal fitOffset;
if (params.totalHeight < params.cardHeight && params.minOffset > 0.0) {
// Zone is shorter than a card (e.g. minimized). Compress offsets so
// every card has at least minOffset pixels of its top visible.
fitOffset = (params.totalHeight - params.minOffset) / (params.cardCount - 1);
effectiveOffset = qMax(0.0, qMin(params.desiredOffset, fitOffset));
qreal reservedForBottomCard;
if (params.allowBottomOverflow) {
// Allow the bottom card to partially overflow in tight zones, scaling the
// overflow allowance by sqrt(cardCount-1) so offsets decrease smoothly
// as cards are added rather than dropping by 1/(n-1) each time.
// The 0.75 ratio was tuned experimentally to balance card visibility vs. overflow.
constexpr qreal bottomCardZoneRatio = 0.75;
const qreal adjustedRatio = bottomCardZoneRatio / qSqrt(static_cast<qreal>(params.cardCount - 1));
reservedForBottomCard = qMin(params.cardHeight, params.totalHeight * adjustedRatio);
} else {
qreal reservedForBottomCard;
if (params.allowBottomOverflow) {
// Allow the bottom card to partially overflow in tight zones, scaling the
// overflow allowance by sqrt(cardCount-1) so offsets decrease smoothly
// as cards are added rather than dropping by 1/(n-1) each time.
// The 0.75 ratio was tuned experimentally to balance card visibility vs. overflow.
constexpr qreal bottomCardZoneRatio = 0.75;
const qreal adjustedRatio = bottomCardZoneRatio / qSqrt(static_cast<qreal>(params.cardCount - 1));
reservedForBottomCard = qMin(params.cardHeight, params.totalHeight * adjustedRatio);
} else {
// No overflow: reserve full card height for the bottom card
reservedForBottomCard = params.cardHeight;
}
fitOffset = (params.totalHeight - reservedForBottomCard) / (params.cardCount - 1);
// No overflow: reserve full card height for the bottom card
reservedForBottomCard = params.cardHeight;
}
qreal fitOffset = (params.totalHeight - reservedForBottomCard) / (params.cardCount - 1);
if (!params.allowBottomOverflow) {
// Constrain offset so all card tops remain within zone bounds.
// With start=0, last card top at (cardCount-1) * effectiveOffset must be < totalHeight.
qreal maxOffsetForTops = params.totalHeight / (params.cardCount - 1);
fitOffset = qMin(fitOffset, maxOffsetForTops);
}
if (!params.allowBottomOverflow) {
// Constrain offset so all card tops remain within zone bounds.
// With start=0, last card top at (cardCount-1) * effectiveOffset must be < totalHeight.
qreal maxOffsetForTops = params.totalHeight / (params.cardCount - 1);
fitOffset = qMin(fitOffset, maxOffsetForTops);
}
// Apply minOffset only if it fits; otherwise compress further to keep all card tops visible.
effectiveOffset = qMin(params.desiredOffset, fitOffset);
if (fitOffset >= params.minOffset) {
effectiveOffset = qMax(params.minOffset, effectiveOffset);
}
// Apply minOffset only if it fits; otherwise compress further to keep all card tops visible.
effectiveOffset = qMin(params.desiredOffset, fitOffset);
if (fitOffset >= params.minOffset) {
effectiveOffset = qMax(params.minOffset, effectiveOffset);
}
}
qreal stackHeight = (params.cardCount - 1) * effectiveOffset + params.cardHeight;