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Simplify metatile attribute layouts

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This commit is contained in:
GriffinR
2022-10-26 04:13:53 -04:00
parent 9cd8777246
commit 577dc2fce2
5 changed files with 145 additions and 134 deletions
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75
include/core/metatile.h
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@@ -30,6 +30,29 @@ enum {
NUM_METATILE_TERRAIN_TYPES
};
class MetatileAttr
{
public:
MetatileAttr();
MetatileAttr(uint32_t mask, int shift);
public:
uint32_t mask;
int shift;
// Given the raw value for all attributes of a metatile
// Returns the extracted value for this attribute
uint32_t fromRaw(uint32_t raw) const { return (raw & this->mask) >> this->shift; }
// Given a value for this attribute
// Returns the raw value to OR together with the other attributes
uint32_t toRaw(uint32_t value) const { return (value << this->shift) & this->mask; }
// Given an arbitrary value to set for an attribute
// Returns a bounded value for that attribute
uint32_t getClamped(int value) const { return static_cast<uint32_t>(value) & (this->mask >> this->shift); }
};
class Metatile
{
public:
@@ -47,30 +70,23 @@ public:
uint32_t unusedAttributes;
QString label;
enum Attr {
Behavior,
TerrainType,
EncounterType,
LayerType,
};
struct AttrLayout {
uint32_t mask;
int shift;
};
static const QHash<Metatile::Attr, Metatile::AttrLayout> defaultLayoutFRLG;
static const QHash<Metatile::Attr, Metatile::AttrLayout> defaultLayoutRSE;
static QHash<Metatile::Attr, Metatile::AttrLayout> customLayout;
uint32_t getAttributes();
void setAttributes(uint32_t data);
void convertAttributes(uint32_t data, BaseGameVersion version);
void setAttributes(uint32_t data, BaseGameVersion version);
void setBehavior(uint32_t);
void setTerrainType(uint32_t);
void setEncounterType(uint32_t);
void setLayerType(uint32_t);
void setBehavior(int value) { this->behavior = behaviorAttr.getClamped(value); }
void setTerrainType(int value) { this->terrainType = terrainTypeAttr.getClamped(value); }
void setEncounterType(int value) { this->encounterType = encounterTypeAttr.getClamped(value); }
void setLayerType(int value) { this->layerType = layerTypeAttr.getClamped(value); }
static uint32_t getBehaviorMask() { return behaviorAttr.mask; }
static uint32_t getTerrainTypeMask() { return terrainTypeAttr.mask; }
static uint32_t getEncounterTypeMask() { return encounterTypeAttr.mask; }
static uint32_t getLayerTypeMask() { return layerTypeAttr.mask; }
static uint32_t getBehaviorMask(BaseGameVersion version);
static uint32_t getTerrainTypeMask(BaseGameVersion version);
static uint32_t getEncounterTypeMask(BaseGameVersion version);
static uint32_t getLayerTypeMask(BaseGameVersion version);
static int getIndexInTileset(int);
static QPoint coordFromPixmapCoord(const QPointF &pixelCoord);
@@ -78,11 +94,22 @@ public:
static void setCustomLayout();
private:
// Stores how each attribute should be laid out for all metatiles, according to the user's config
static MetatileAttr behaviorAttr;
static MetatileAttr terrainTypeAttr;
static MetatileAttr encounterTypeAttr;
static MetatileAttr layerTypeAttr;
static uint32_t unusedAttrMask;
void setAttributes(uint32_t, const QHash<Metatile::Attr, Metatile::AttrLayout>*);
static void setCustomAttributeLayout(Metatile::AttrLayout *, uint32_t, uint32_t);
static bool isMaskTooSmall(Metatile::AttrLayout * layout, int n);
// Stores how each attribute should be laid out for all metatiles, according to the vanilla games
// Used to set default config values and import maps with AdvanceMap
static const QHash<QString, MetatileAttr> defaultLayoutFRLG;
static const QHash<QString, MetatileAttr> defaultLayoutRSE;
static const QHash<BaseGameVersion, const QHash<QString, MetatileAttr>*> defaultLayouts;
static void setCustomAttributeLayout(MetatileAttr *, uint32_t, uint32_t);
static bool isMaskTooSmall(MetatileAttr *, int);
static bool doMasksOverlap(QList<uint32_t>);
};