build region map from records (only initial build; updates not implemented yet)

apps/opencs/model/world/data.cpp

@@ -162,8 +162,6 @@ CSMWorld::Data::Data() : mRefs (mCells)
     addModel (new IdTable (&mReferenceables), UniversalId::Type_Referenceables,
         UniversalId::Type_Referenceable);
     addModel (new IdTable (&mRefs), UniversalId::Type_References, UniversalId::Type_Reference);
-
-    addModel (new RegionMap, UniversalId::Type_RegionMap, UniversalId::Type_None);
 }
 
 CSMWorld::Data::~Data()
@@ -307,7 +305,20 @@ QAbstractItemModel *CSMWorld::Data::getTableModel (const UniversalId& id)
     std::map<UniversalId::Type, QAbstractItemModel *>::iterator iter = mModelIndex.find (id.getType());
 
     if (iter==mModelIndex.end())
+    {
+        // try creating missing (secondary) tables on the fly
+        //
+        // Note: We create these tables here so we don't have to deal with them during load/initial
+        // construction of the ESX data where no update signals are available.
+        if (id.getType()==UniversalId::Type_RegionMap)
+        {
+            RegionMap *table = 0;
+            addModel (table = new RegionMap (*this), UniversalId::Type_RegionMap,
+                UniversalId::Type_None);
+            return table;
+        }
         throw std::logic_error ("No table model available for " + id.toString());
+    }
 
     return iter->second;
 }

apps/opencs/model/world/regionmap.cpp

@@ -3,21 +3,95 @@
 
 #include <QBrush>
 
+#include "data.hpp"
+#include "universalid.hpp"
+
 std::pair<int, int> CSMWorld::RegionMap::getIndex (const QModelIndex& index) const
 {
     return std::make_pair (index.column()+mMin.first, index.row()+mMin.second);
 }
 
-CSMWorld::RegionMap::RegionMap()
+void CSMWorld::RegionMap::buildRegions (Data& data)
 {
-    // setting up some placeholder regions
-    mMap.insert (std::make_pair (std::make_pair (0, 0), "a"));
-    mMap.insert (std::make_pair (std::make_pair (1, 1), "b"));
-    mMap.insert (std::make_pair (std::make_pair (1, 0), "a"));
-    mMin = std::make_pair (0, 0);
-    mMax = std::make_pair (2, 2);
-    mColours.insert (std::make_pair ("a", 0xff0000ff));
-    mColours.insert (std::make_pair ("b", 0x00ff00ff));
+    const IdCollection<ESM::Region>& regions = data.getRegions();
+
+    int size = regions.getSize();
+
+    for (int i=0; i<size; ++i)
+    {
+        const Record<ESM::Region>& region = regions.getRecord (i);
+
+        if (!region.isDeleted())
+            mColours.insert (std::make_pair (region.get().mId, region.get().mMapColor));
+    }
+}
+
+void CSMWorld::RegionMap::buildMap (Data& data)
+{
+    const IdCollection<Cell>& cells = data.getCells();
+
+    int size = cells.getSize();
+
+    mMin = mMax = std::make_pair (0, 0);
+
+    for (int i=0; i<size; ++i)
+    {
+        const Record<Cell>& cell = cells.getRecord (i);
+
+        if (!cell.isDeleted())
+        {
+            const Cell& cell2 = cell.get();
+
+            if (cell2.isExterior())
+            {
+                std::pair<int, int> index (cell2.mData.mX, cell2.mData.mY);
+
+                if (mMap.empty())
+                {
+                    mMin = index;
+                    mMax = std::make_pair (mMin.first+1, mMin.second+1);
+                }
+                else
+                {
+                    if (index.first<mMin.first)
+                        mMin.first = index.first;
+                    else if (index.first>=mMax.first)
+                        mMax.first = index.first + 1;
+
+                    if (index.second<mMin.second)
+                        mMin.second = index.second;
+                    else if (index.second>=mMax.second)
+                        mMax.second = index.second + 1;
+                }
+
+                mMap.insert (std::make_pair (index, cell2.mRegion));
+            }
+        }
+    }
+}
+
+CSMWorld::RegionMap::RegionMap (Data& data)
+{
+    buildRegions (data);
+    buildMap (data);
+
+    QAbstractItemModel *regions = data.getTableModel (UniversalId (UniversalId::Type_Regions));
+
+    connect (regions, SIGNAL (rowsAboutToBeRemoved (const QModelIndex&, int, int)),
+        this, SLOT (regionsAboutToBeRemoved (const QModelIndex&, int, int)));
+    connect (regions, SIGNAL (rowsInserted (const QModelIndex&, int, int)),
+        this, SLOT (regionsInserted (const QModelIndex&, int, int)));
+    connect (regions, SIGNAL (dataChanged (const QModelIndex&, const QModelIndex&)),
+        this, SLOT (regionsChanged (const QModelIndex&, const QModelIndex&)));
+
+    QAbstractItemModel *cells = data.getTableModel (UniversalId (UniversalId::Type_Cells));
+
+    connect (cells, SIGNAL (rowsAboutToBeRemoved (const QModelIndex&, int, int)),
+        this, SLOT (regionsAboutToBeRemoved (const QModelIndex&, int, int)));
+    connect (cells, SIGNAL (rowsInserted (const QModelIndex&, int, int)),
+        this, SLOT (regionsInserted (const QModelIndex&, int, int)));
+    connect (cells, SIGNAL (dataChanged (const QModelIndex&, const QModelIndex&)),
+        this, SLOT (regionsChanged (const QModelIndex&, const QModelIndex&)));
 }
 
 int CSMWorld::RegionMap::rowCount (const QModelIndex& parent) const
@@ -70,4 +144,39 @@ Qt::ItemFlags CSMWorld::RegionMap::flags (const QModelIndex& index) const
         return Qt::ItemIsSelectable | Qt::ItemIsEnabled;
 
     return 0;
+}
+
+void CSMWorld::RegionMap::regionsAboutToBeRemoved (const QModelIndex& parent, int start, int end)
+{
+
+
+}
+
+void CSMWorld::RegionMap::regionsInserted (const QModelIndex& parent, int start, int end)
+{
+
+
+}
+
+void CSMWorld::RegionMap::regionsChanged (const QModelIndex& topLeft, const QModelIndex& bottomRight)
+{
+
+
+}
+
+void CSMWorld::RegionMap::cellsAboutToBeRemoved (const QModelIndex& parent, int start, int end)
+{
+
+
+}
+
+void CSMWorld::RegionMap::cellsInserted (const QModelIndex& parent, int start, int end)
+{
+
+
+}
+
+void CSMWorld::RegionMap::cellsChanged (const QModelIndex& topLeft, const QModelIndex& bottomRight)
+{
+;
 }

apps/opencs/model/world/regionmap.hpp

@@ -8,11 +8,15 @@
 
 namespace CSMWorld
 {
+    class Data;
+
     /// \brief Model for the region map
     ///
     /// This class does not holds any record data (other than for the purpose of buffering).
     class RegionMap : public QAbstractTableModel
     {
+            Q_OBJECT
+
             std::map<std::pair<int, int>, std::string> mMap; ///< cell index, region
             std::pair<int, int> mMin; ///< inclusive
             std::pair<int, int> mMax; ///< exclusive
@@ -21,9 +25,13 @@ namespace CSMWorld
             std::pair<int, int> getIndex (const QModelIndex& index) const;
             ///< Translates a Qt model index into a cell index (which can contain negative components)
 
+            void buildRegions (Data& data);
+
+            void buildMap (Data& data);
+
         public:
 
-            RegionMap();
+            RegionMap (Data& data);
 
             virtual int rowCount (const QModelIndex& parent = QModelIndex()) const;
 
@@ -32,6 +40,20 @@ namespace CSMWorld
             virtual QVariant data (const QModelIndex& index, int role = Qt::DisplayRole) const;
 
             virtual Qt::ItemFlags flags (const QModelIndex& index) const;
+
+        private slots:
+
+            void regionsAboutToBeRemoved (const QModelIndex& parent, int start, int end);
+
+            void regionsInserted (const QModelIndex& parent, int start, int end);
+
+            void regionsChanged (const QModelIndex& topLeft, const QModelIndex& bottomRight);
+
+            void cellsAboutToBeRemoved (const QModelIndex& parent, int start, int end);
+
+            void cellsInserted (const QModelIndex& parent, int start, int end);
+
+            void cellsChanged (const QModelIndex& topLeft, const QModelIndex& bottomRight);
     };
 }