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Code cleanup

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This commit is contained in:
Martin Tůma 2022-03-19 13:25:47 +01:00
parent 14aef3556c
commit fcfa03f771
2 changed files with 69 additions and 64 deletions
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123
src/map/IMG/netfile.cpp
View File

@ -95,48 +95,8 @@ static bool seekToLine(BitStream4R &bs, quint8 line)
return true;
}
static bool readLine(BitStream4R &bs, const SubDiv *subdiv,
const HuffmanTable *table, MapData::Poly &poly)
{
quint32 v1, v2, v2b;
if (!bs.readVUint32SM(v1, v2, v2b))
return false;
bs.resize(v1);
quint32 lon, lat;
if (!(bs.read(0x12 - v2b, lon) && bs.read(16, lat)))
return false;
if (2 < v2b)
lon |= (v2 >> 2) << (0x12U - v2b);
QPoint pos = QPoint(LS(subdiv->lon(), 8) + LS((qint16)lon, 32-subdiv->bits()),
LS(subdiv->lat(), 8) + LS((qint16)lat, 32-subdiv->bits()));
Coordinates c(toWGS32(pos.x()), toWGS32(pos.y()));
poly.boundingRect = RectC(c, c);
poly.points.append(QPointF(c.lon(), c.lat()));
HuffmanDeltaStreamR stream(bs, *table);
if (!stream.init())
return false;
qint32 lonDelta, latDelta;
while (stream.readNext(lonDelta, latDelta)) {
pos.rx() += LS(lonDelta, 32-subdiv->bits());
if (pos.rx() < 0 && subdiv->lon() >= 0)
pos.rx() = 0x7fffffff;
pos.ry() += LS(latDelta, 32-subdiv->bits());
Coordinates c(toWGS32(pos.x()), toWGS32(pos.y()));
poly.points.append(QPointF(c.lon(), c.lat()));
poly.boundingRect = poly.boundingRect.united(c);
}
return stream.atEnd();
}
static bool readNodeGeometry(const NODFile *nod, SubFile::Handle &nodHdl,
NODFile::AdjacencyInfo &adj, MapData::Poly &poly, quint16 cnt = 0xFFFF)
NODFile::AdjacencyInfo &adj, quint16 cnt, MapData::Poly &poly)
{
for (int i = 0; i <= cnt; i++) {
int ret = nod->nextNode(nodHdl, adj);
@ -164,10 +124,50 @@ static bool skipNodes(const NODFile *nod, SubFile::Handle &nodHdl,
return true;
}
static bool readShape(const NODFile *nod, SubFile::Handle &nodHdl,
NODFile::AdjacencyInfo &adj, BitStream4R &bs, const HuffmanTable *table,
const SubDiv *subdiv, quint32 shift, MapData::Poly &poly,
quint16 cnt = 0xFFFF, bool check = false)
bool NETFile::readLine(BitStream4R &bs, const SubDiv *subdiv,
MapData::Poly &poly) const
{
quint32 v1, v2, v2b;
if (!bs.readVUint32SM(v1, v2, v2b))
return false;
bs.resize(v1);
quint32 lon, lat;
if (!(bs.read(0x12 - v2b, lon) && bs.read(16, lat)))
return false;
if (2 < v2b)
lon |= (v2 >> 2) << (0x12U - v2b);
QPoint pos = QPoint(LS(subdiv->lon(), 8) + LS((qint16)lon, 32-subdiv->bits()),
LS(subdiv->lat(), 8) + LS((qint16)lat, 32-subdiv->bits()));
Coordinates c(toWGS32(pos.x()), toWGS32(pos.y()));
poly.boundingRect = RectC(c, c);
poly.points.append(QPointF(c.lon(), c.lat()));
HuffmanDeltaStreamR stream(bs, *_tp);
if (!stream.init())
return false;
qint32 lonDelta, latDelta;
while (stream.readNext(lonDelta, latDelta)) {
pos.rx() += LS(lonDelta, 32-subdiv->bits());
if (pos.rx() < 0 && subdiv->lon() >= 0)
pos.rx() = 0x7fffffff;
pos.ry() += LS(latDelta, 32-subdiv->bits());
Coordinates c(toWGS32(pos.x()), toWGS32(pos.y()));
poly.points.append(QPointF(c.lon(), c.lat()));
poly.boundingRect = poly.boundingRect.united(c);
}
return stream.atEnd();
}
bool NETFile::readShape(const NODFile *nod, SubFile::Handle &nodHdl,
NODFile::AdjacencyInfo &adj, BitStream4R &bs, const SubDiv *subdiv,
quint32 shift, quint16 cnt, bool check, MapData::Poly &poly) const
{
quint32 v1, v2, v2b;
if (!bs.readVUint32SM(v1, v2, v2b))
@ -185,7 +185,7 @@ static bool readShape(const NODFile *nod, SubFile::Handle &nodHdl,
bool startWithStream = flags & (1 << (v2b + 6));
bool useEosBit = flags & (1 << (v2b + 5));
HuffmanDeltaStreamR stream(bs, *table);
HuffmanDeltaStreamR stream(bs, *_tp);
if (!stream.init(flags, v2b + 5))
return false;
@ -325,18 +325,12 @@ static bool readShape(const NODFile *nod, SubFile::Handle &nodHdl,
return true;
}
NETFile::~NETFile()
{
delete _huffmanTable;
}
bool NETFile::linkLabel(Handle &hdl, quint32 offset, quint32 size,
bool NETFile::linkLabel(Handle &hdl, quint32 offset,
const LBLFile *lbl, Handle &lblHdl, Label &label) const
{
if (!seek(hdl, offset))
return false;
BitStream1 bs(*this, hdl, size);
BitStream1 bs(*this, hdl, _linksSize - (offset - _linksOffset));
quint32 flags, labelPtr;
if (!bs.read(8, flags))
@ -389,6 +383,11 @@ void NETFile::clear()
_huffmanTable = 0;
}
NETFile::~NETFile()
{
delete _huffmanTable;
}
bool NETFile::link(const SubDiv *subdiv, quint32 shift, Handle &hdl,
const NODFile *nod, Handle &nodHdl2, Handle &nodHdl, const LBLFile *lbl,
Handle &lblHdl, const NODFile::BlockInfo &blockInfo, quint8 linkId,
@ -430,10 +429,11 @@ bool NETFile::link(const SubDiv *subdiv, quint32 shift, Handle &hdl,
if (singleTopology) {
if (firstIsShape) {
if (!readShape(nod, nodHdl, adj, bs, _tp, subdiv, shift, poly))
if (!readShape(nod, nodHdl, adj, bs, subdiv, shift, 0xFFFF,
false, poly))
return false;
} else {
if (!readNodeGeometry(nod, nodHdl, adj, poly))
if (!readNodeGeometry(nod, nodHdl, adj, 0xFFFF, poly))
return false;
}
} else {
@ -444,11 +444,11 @@ bool NETFile::link(const SubDiv *subdiv, quint32 shift, Handle &hdl,
if (i == lineId) {
if (shape) {
bool check = (i < ca.size()) ? (ca.at(i) & mask) : false;
if (!readShape(nod, nodHdl, adj, bs, _tp, subdiv,
shift, poly, step, check))
if (!readShape(nod, nodHdl, adj, bs, subdiv, shift,
step, check, poly))
return false;
} else {
if (!readNodeGeometry(nod, nodHdl, adj, poly, step))
if (!readNodeGeometry(nod, nodHdl, adj, step, poly))
return false;
}
break;
@ -470,13 +470,12 @@ bool NETFile::link(const SubDiv *subdiv, quint32 shift, Handle &hdl,
return false;
if (!seekToLine(bs, lineId))
return false;
if (!readLine(bs, subdiv, _tp, poly))
if (!readLine(bs, subdiv, poly))
return false;
}
if (lbl)
linkLabel(hdl, linkOffset, _linksSize - (linkOffset - _linksOffset),
lbl, lblHdl, poly.label);
linkLabel(hdl, linkOffset, lbl, lblHdl, poly.label);
lines->append(poly);

10
src/map/IMG/netfile.h
View File

@ -10,6 +10,7 @@ class LBLFile;
class RGNFile;
class SubDiv;
class HuffmanTable;
class BitStream4R;
class NETFile : public SubFile
{
@ -36,8 +37,13 @@ public:
bool hasLinks() const {return (_linksSize > 0);}
private:
bool linkLabel(Handle &hdl, quint32 offset, quint32 size,
const LBLFile *lbl, Handle &lblHdl, Label &label) const;
bool linkLabel(Handle &hdl, quint32 offset, const LBLFile *lbl,
Handle &lblHdl, Label &label) const;
bool readShape(const NODFile *nod, SubFile::Handle &nodHdl,
NODFile::AdjacencyInfo &adj, BitStream4R &bs, const SubDiv *subdiv,
quint32 shift, quint16 cnt, bool check, MapData::Poly &poly) const;
bool readLine(BitStream4R &bs, const SubDiv *subdiv,
MapData::Poly &poly) const;
HuffmanTable *_huffmanTable;
const HuffmanTable *_tp;