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The coordinates and the point type are sufficient for a unique ID

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This commit is contained in:
Martin Tůma 2023-04-19 00:33:04 +02:00
parent f8d40850a7
commit 229af4c749
1 changed files with 4 additions and 6 deletions
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10
src/map/IMG/rgnfile.cpp
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@ -13,12 +13,11 @@ using namespace IMG;
#define MASK(bits) ((1U << (bits)) - 1U)
static quint64 pointId(const QPoint &pos, quint32 type, quint32 labelPtr)
static quint64 pointId(const QPoint &pos, quint32 type)
{
quint64 id;
uint hash = (uint)qHash(QPair<uint,uint>((uint)qHash(
QPair<int, int>(pos.x(), pos.y())), labelPtr));
uint hash = (uint)qHash(QPair<int, int>(pos.x(), pos.y()));
id = ((quint64)type)<<32 | hash;
// Increase rendering priorities for some special items
@ -485,7 +484,7 @@ bool RGNFile::pointObjects(Handle &hdl, const SubDiv *subdiv,
point.type = (quint16)type<<8 | subtype;
point.coordinates = Coordinates(toWGS24(pos.x()), toWGS24(pos.y()));
point.id = pointId(pos, point.type, labelPtr & 0x3FFFFF);
point.id = pointId(pos, point.type);
if (lbl && (labelPtr & 0x3FFFFF))
point.label = lbl->label(lblHdl, labelPtr & 0x3FFFFF,
labelPtr & 0x400000, !(Style::isCountry(point.type)
@ -538,8 +537,7 @@ bool RGNFile::extPointObjects(Handle &hdl, const SubDiv *subdiv,
continue;
point.coordinates = Coordinates(toWGS24(p.x()), toWGS24(p.y()));
point.id = pointId(p, point.type, point.classLabel ? pos(hdl)
: labelPtr & 0x3FFFFF);
point.id = pointId(p, point.type);
if (lbl && (labelPtr & 0x3FFFFF))
point.label = lbl->label(lblHdl, labelPtr & 0x3FFFFF);