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refactor(z-values): removed redundant inline with contexpr, Updated doc, magic numbers removed from TableZone.

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DawnFire42 2026-03-04 14:31:02 -05:00
parent 652ca041b4
commit 5943ae3427
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3 changed files with 36 additions and 11 deletions
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6
cockatrice/src/game/z_value_layer_manager.h
View file

@ -102,7 +102,7 @@ constexpr qreal OVERLAY_BASE = 2000000000.0;
* @param zValue The Z-value to validate
* @return true if the Z-value is valid for a card
*/
[[nodiscard]] inline constexpr bool isValidCardZValue(qreal zValue)
[[nodiscard]] constexpr bool isValidCardZValue(qreal zValue)
{
return zValue >= 1.0 && zValue <= CARD_Z_VALUE_MAX;
}
@ -115,7 +115,7 @@ constexpr qreal OVERLAY_BASE = 2000000000.0;
* @param zValue The Z-value to validate
* @return true if the Z-value is valid for an overlay element
*/
[[nodiscard]] inline constexpr bool isOverlayZValue(qreal zValue)
[[nodiscard]] constexpr bool isOverlayZValue(qreal zValue)
{
return zValue >= OVERLAY_BASE;
}
@ -126,7 +126,7 @@ constexpr qreal OVERLAY_BASE = 2000000000.0;
* @param offset Offset from OVERLAY_BASE (0-7 for current elements)
* @return The absolute Z-value for the overlay element
*/
[[nodiscard]] inline constexpr qreal overlayZValue(qreal offset)
[[nodiscard]] constexpr qreal overlayZValue(qreal offset)
{
return OVERLAY_BASE + offset;
}

36
cockatrice/src/game/z_values.h
View file

@ -39,17 +39,41 @@ constexpr qreal DRAG_ITEM = ZValueLayerManager::overlayZValue(5.0);
constexpr qreal DRAG_ITEM_CHILD = ZValueLayerManager::overlayZValue(6.0);
constexpr qreal TOP_UI = ZValueLayerManager::overlayZValue(7.0);
/// Compute Z-value for child drag items based on hotspot position.
/// When dragging multiple cards together, each child card needs a unique Z-value
/// to prevent Z-fighting (flickering/flashing). The Z-values are derived from
/// their position when grabbed to conserve original stacking. The formula encodes
/// 2D coordinates into a single value where X has higher weight, ensuring
/// deterministic visual stacking.
/**
* @brief Compute Z-value for child drag items based on hotspot position.
*
* When dragging multiple cards together, each child card needs a unique Z-value
* to prevent Z-fighting (flickering/flashing). The Z-values are derived from
* their position when grabbed to conserve original stacking. The formula encodes
* 2D coordinates into a single value where X has higher weight, ensuring
* deterministic visual stacking.
*
* @param hotSpotX The X coordinate of the grab position
* @param hotSpotY The Y coordinate of the grab position
* @return Unique Z-value for the child drag item
*/
[[nodiscard]] constexpr qreal childDragZValue(qreal hotSpotX, qreal hotSpotY)
{
return DRAG_ITEM_CHILD + hotSpotX * 1000000 + hotSpotY * 1000 + 1000;
}
/**
* @brief Compute Z-value for cards on the table zone based on position.
*
* Cards lower on the table (higher Y) render above cards higher up,
* and cards to the right (higher X) render above cards to the left.
* This creates natural visual stacking for overlapping cards.
*
* @param x The X coordinate of the card position
* @param y The Y coordinate of the card position
* @return Z-value for the card's table position
*/
[[nodiscard]] constexpr qreal tableCardZValue(qreal x, qreal y)
{
constexpr qreal CARD_HEIGHT_FOR_Z = 102.0;
return (y + CARD_HEIGHT_FOR_Z) * 100000.0 + (x + 1) * 100.0;
}
// Card layering (general architecture, not command-zone specific)
constexpr qreal CARD_BASE = 1.0;
constexpr qreal CARD_MAX = ZValueLayerManager::CARD_Z_VALUE_MAX;

5
cockatrice/src/game/zones/table_zone.cpp
View file

@ -7,6 +7,7 @@
#include "../board/card_item.h"
#include "../player/player.h"
#include "../player/player_actions.h"
#include "../z_values.h"
#include "logic/table_zone_logic.h"
#include <QGraphicsScene>
@ -167,7 +168,7 @@ void TableZone::reorganizeCards()
actualY += 15;
getLogic()->getCards()[i]->setPos(actualX, actualY);
getLogic()->getCards()[i]->setRealZValue((actualY + CARD_HEIGHT) * 100000 + (actualX + 1) * 100);
getLogic()->getCards()[i]->setRealZValue(ZValues::tableCardZValue(actualX, actualY));
QListIterator<CardItem *> attachedCardIterator(getLogic()->getCards()[i]->getAttachedCards());
int j = 0;
@ -177,7 +178,7 @@ void TableZone::reorganizeCards()
qreal childX = actualX - j * STACKED_CARD_OFFSET_X;
qreal childY = y + 5;
attachedCard->setPos(childX, childY);
attachedCard->setRealZValue((childY + CARD_HEIGHT) * 100000 + (childX + 1) * 100);
attachedCard->setRealZValue(ZValues::tableCardZValue(childX, childY));
}
}