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https://github.com/huderlem/porymap.git
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Allow custom metatile attribute layouts
This commit is contained in:
GriffinR
@@ -2,6 +2,17 @@
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#include "tileset.h"
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#include "project.h"
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uint32_t Metatile::behaviorMask = 0;
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uint32_t Metatile::terrainTypeMask = 0;
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uint32_t Metatile::encounterTypeMask = 0;
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uint32_t Metatile::layerTypeMask = 0;
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uint32_t Metatile::unusedAttrMask = 0;
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int Metatile::behaviorShift = 0;
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int Metatile::terrainTypeShift = 0;
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int Metatile::encounterTypeShift = 0;
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int Metatile::layerTypeShift = 0;
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Metatile::Metatile() :
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behavior(0),
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layerType(0),
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@@ -37,50 +48,115 @@ QPoint Metatile::coordFromPixmapCoord(const QPointF &pixelCoord) {
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return QPoint(x, y);
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}
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// Returns the position of the rightmost set bit
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int Metatile::getShiftValue(uint32_t mask) {
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return log2(mask & ~(mask - 1));;
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}
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void Metatile::calculateAttributeLayout() {
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// Get the maximum size of any attribute mask
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const QHash<int, uint32_t> maxMasks = {
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{1, 0xFF},
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{2, 0xFFFF},
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{4, 0xFFFFFFFF},
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};
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const uint32_t maxMask = maxMasks.value(projectConfig.getMetatileAttributesSize(), 0);
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// Behavior
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uint32_t mask = projectConfig.getMetatileBehaviorMask();
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if (mask > maxMask) {
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logWarn(QString("Metatile behavior mask '%1' exceeds maximum size '%2'").arg(mask).arg(maxMask));
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mask &= maxMask;
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}
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Metatile::behaviorMask = mask;
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Metatile::behaviorShift = getShiftValue(mask);
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// Terrain Type
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mask = projectConfig.getMetatileTerrainTypeMask();
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if (mask > maxMask) {
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logWarn(QString("Metatile terrain type mask '%1' exceeds maximum size '%2'").arg(mask).arg(maxMask));
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mask &= maxMask;
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}
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Metatile::terrainTypeMask = mask;
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Metatile::terrainTypeShift = getShiftValue(mask);
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// Encounter Type
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mask = projectConfig.getMetatileEncounterTypeMask();
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if (mask > maxMask) {
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logWarn(QString("Metatile encounter type mask '%1' exceeds maximum size '%2'").arg(mask).arg(maxMask));
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mask &= maxMask;
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}
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Metatile::encounterTypeMask = mask;
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Metatile::encounterTypeShift = getShiftValue(mask);
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// Layer Type
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mask = projectConfig.getMetatileLayerTypeMask();
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if (mask > maxMask) {
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logWarn(QString("Metatile layer type mask '%1' exceeds maximum size '%2'").arg(mask).arg(maxMask));
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mask &= maxMask;
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}
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Metatile::layerTypeMask = mask;
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Metatile::layerTypeShift = getShiftValue(mask);
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Metatile::unusedAttrMask = ~(Metatile::behaviorMask | Metatile::terrainTypeMask | Metatile::layerTypeMask | Metatile::encounterTypeMask);
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Metatile::unusedAttrMask &= maxMask;
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// Warn user if any mask overlaps
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if (Metatile::behaviorMask & Metatile::terrainTypeMask
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|| Metatile::behaviorMask & Metatile::encounterTypeMask
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|| Metatile::behaviorMask & Metatile::layerTypeMask
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|| Metatile::terrainTypeMask & Metatile::encounterTypeMask
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|| Metatile::terrainTypeMask & Metatile::layerTypeMask
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|| Metatile::encounterTypeMask & Metatile::layerTypeMask) {
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logWarn("Metatile attribute masks are overlapping.");
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}
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}
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uint32_t Metatile::getAttributes() {
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uint32_t attributes = this->unusedAttributes & Metatile::unusedAttrMask;
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attributes |= (behavior << Metatile::behaviorShift) & Metatile::behaviorMask;
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attributes |= (terrainType << Metatile::terrainTypeShift) & Metatile::terrainTypeMask;
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attributes |= (encounterType << Metatile::encounterTypeShift) & Metatile::encounterTypeMask;
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attributes |= (layerType << Metatile::layerTypeShift) & Metatile::layerTypeMask;
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return attributes;
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}
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void Metatile::setAttributes(uint32_t data) {
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this->behavior = (data & Metatile::behaviorMask) >> Metatile::behaviorShift;
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this->terrainType = (data & Metatile::terrainTypeMask) >> Metatile::terrainTypeShift;
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this->encounterType = (data & Metatile::encounterTypeMask) >> Metatile::encounterTypeShift;
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this->layerType = (data & Metatile::layerTypeMask) >> Metatile::layerTypeShift;
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this->unusedAttributes = data & Metatile::unusedAttrMask;
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}
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// Get the vanilla attribute sizes based on version. For AdvanceMap import
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int Metatile::getAttributesSize(BaseGameVersion version) {
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return (version == BaseGameVersion::pokefirered) ? 4 : 2;
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}
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// RSE attributes
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const uint16_t behaviorMask_RSE = 0x00FF;
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const uint16_t layerTypeMask_RSE = 0xF000;
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const int behaviorShift_RSE = 0;
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const int layerTypeShift_RSE = 12;
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// FRLG attributes
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const uint32_t behaviorMask_FRLG = 0x000001FF;
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const uint32_t terrainTypeMask = 0x00003E00;
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const uint32_t encounterTypeMask = 0x07000000;
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const uint32_t layerTypeMask_FRLG = 0x60000000;
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const int behaviorShift_FRLG = 0;
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const int terrainTypeShift = 9;
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const int encounterTypeShift = 24;
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const int layerTypeShift_FRLG = 29;
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uint32_t Metatile::getAttributes(BaseGameVersion version) {
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uint32_t attributes = this->unusedAttributes;
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if (version == BaseGameVersion::pokefirered) {
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attributes |= (behavior << behaviorShift_FRLG) & behaviorMask_FRLG;
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attributes |= (terrainType << terrainTypeShift) & terrainTypeMask;
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attributes |= (encounterType << encounterTypeShift) & encounterTypeMask;
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attributes |= (layerType << layerTypeShift_FRLG) & layerTypeMask_FRLG;
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} else {
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attributes |= (behavior << behaviorShift_RSE) & behaviorMask_RSE;
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attributes |= (layerType << layerTypeShift_RSE) & layerTypeMask_RSE;
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}
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return attributes;
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}
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// Set the attributes using the vanilla layout based on version. For AdvanceMap import
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void Metatile::setAttributes(uint32_t data, BaseGameVersion version) {
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if (version == BaseGameVersion::pokefirered) {
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this->behavior = (data & behaviorMask_FRLG) >> behaviorShift_FRLG;
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this->terrainType = (data & terrainTypeMask) >> terrainTypeShift;
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this->encounterType = (data & encounterTypeMask) >> encounterTypeShift;
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this->layerType = (data & layerTypeMask_FRLG) >> layerTypeShift_FRLG;
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this->unusedAttributes = data & ~(behaviorMask_FRLG | terrainTypeMask | layerTypeMask_FRLG | encounterTypeMask);
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const uint32_t behaviorMask = 0x000001FF;
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const uint32_t terrainTypeMask = 0x00003E00;
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const uint32_t encounterTypeMask = 0x07000000;
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const uint32_t layerTypeMask = 0x60000000;
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this->behavior = data & behaviorMask;
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this->terrainType = (data & terrainTypeMask) >> 9;
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this->encounterType = (data & encounterTypeMask) >> 24;
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this->layerType = (data & layerTypeMask) >> 29;
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this->unusedAttributes = data & ~(behaviorMask | terrainTypeMask | layerTypeMask | encounterTypeMask);
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} else {
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this->behavior = (data & behaviorMask_RSE) >> behaviorShift_RSE;
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this->layerType = (data & layerTypeMask_RSE) >> layerTypeShift_RSE;
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this->unusedAttributes = data & ~(behaviorMask_RSE | layerTypeMask_RSE);
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const uint16_t behaviorMask = 0x00FF;
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const uint16_t layerTypeMask = 0xF000;
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this->behavior = data & behaviorMask;
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this->layerType = (data & layerTypeMask) >> 12;
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this->unusedAttributes = data & ~(behaviorMask | layerTypeMask);
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}
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// Clean data to fit the user's custom masks
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this->setAttributes(this->getAttributes());
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}
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