Merge remote-tracking branch 'aesylwinn/landrecords'

apps/opencs/CMakeLists.txt

@@ -18,7 +18,7 @@ opencs_hdrs_noqt (model/doc
 
 
 opencs_units (model/world
-    idtable idtableproxymodel regionmap data commanddispatcher idtablebase resourcetable nestedtableproxymodel idtree infotableproxymodel
+    idtable idtableproxymodel regionmap data commanddispatcher idtablebase resourcetable nestedtableproxymodel idtree infotableproxymodel landtexturetableproxymodel
     )
 
 
@@ -70,7 +70,7 @@ opencs_units (view/world
     cellcreator pathgridcreator referenceablecreator startscriptcreator referencecreator scenesubview
     infocreator scriptedit dialoguesubview previewsubview regionmap dragrecordtable nestedtable
     dialoguespinbox recordbuttonbar tableeditidaction scripterrortable extendedcommandconfigurator
-    bodypartcreator
+    bodypartcreator landtexturecreator landcreator
     )
 
 opencs_units_noqt (view/world

apps/opencs/model/prefs/state.cpp

@@ -240,6 +240,8 @@ void CSMPrefs::State::declare()
     declareShortcut ("document-world-cells", "Open Cell List", QKeySequence());
     declareShortcut ("document-world-referencables", "Open Object List", QKeySequence());
     declareShortcut ("document-world-references", "Open Instance List", QKeySequence());
+    declareShortcut ("document-world-lands", "Open Lands List", QKeySequence());
+    declareShortcut ("document-world-landtextures", "Open Land Textures List", QKeySequence());
     declareShortcut ("document-world-pathgrid", "Open Pathgrid List", QKeySequence());
     declareShortcut ("document-world-regionmap", "Open Region Map", QKeySequence());
     declareShortcut ("document-mechanics-globals", "Open Global List", QKeySequence());
@@ -276,6 +278,7 @@ void CSMPrefs::State::declare()
     declareShortcut ("table-edit", "Edit Record", QKeySequence());
     declareShortcut ("table-add", "Add Row/Record", QKeySequence(Qt::ShiftModifier | Qt::Key_A));
     declareShortcut ("table-clone", "Clone Record", QKeySequence(Qt::ShiftModifier | Qt::Key_D));
+    declareShortcut ("touch-record", "Touch Record", QKeySequence());
     declareShortcut ("table-revert", "Revert Record", QKeySequence());
     declareShortcut ("table-remove", "Remove Row/Record", QKeySequence(Qt::Key_Delete));
     declareShortcut ("table-moveup", "Move Record Up", QKeySequence());

apps/opencs/model/world/collection.hpp

@@ -6,6 +6,7 @@
 #include <algorithm>
 #include <cctype>
 #include <stdexcept>
+#include <string>
 #include <functional>
 
 #include <QVariant>
@@ -13,8 +14,9 @@
 #include <components/misc/stringops.hpp>
 
 #include "columnbase.hpp"
-
 #include "collectionbase.hpp"
+#include "land.hpp"
+#include "landtexture.hpp"
 
 namespace CSMWorld
 {
@@ -22,15 +24,14 @@ namespace CSMWorld
     template<typename ESXRecordT>
     struct IdAccessor
     {
-        std::string& getId (ESXRecordT& record);
+        void setId(ESXRecordT& record, const std::string& id) const;
-
         const std::string getId (const ESXRecordT& record) const;
     };
 
     template<typename ESXRecordT>
-    std::string& IdAccessor<ESXRecordT>::getId (ESXRecordT& record)
+    void IdAccessor<ESXRecordT>::setId(ESXRecordT& record, const std::string& id) const
     {
-        return record.mId;
+        record.mId = id;
     }
 
     template<typename ESXRecordT>
@@ -39,6 +40,39 @@ namespace CSMWorld
         return record.mId;
     }
 
+    template<>
+    inline void IdAccessor<Land>::setId (Land& record, const std::string& id) const
+    {
+        int x=0, y=0;
+
+        Land::parseUniqueRecordId(id, x, y);
+        record.mX = x;
+        record.mY = y;
+    }
+
+    template<>
+    inline void IdAccessor<LandTexture>::setId (LandTexture& record, const std::string& id) const
+    {
+        int plugin = 0;
+        int index = 0;
+
+        LandTexture::parseUniqueRecordId(id, plugin, index);
+        record.mPluginIndex = plugin;
+        record.mIndex = index;
+    }
+
+    template<>
+    inline const std::string IdAccessor<Land>::getId (const Land& record) const
+    {
+        return Land::createUniqueRecordId(record.mX, record.mY);
+    }
+
+    template<>
+    inline const std::string IdAccessor<LandTexture>::getId (const LandTexture& record) const
+    {
+        return LandTexture::createUniqueRecordId(record.mPluginIndex, record.mIndex);
+    }
+
     /// \brief Single-type record collection
     template<typename ESXRecordT, typename IdAccessorT = IdAccessor<ESXRecordT> >
     class Collection : public CollectionBase
@@ -69,6 +103,13 @@ namespace CSMWorld
             ///
             /// \return Success?
 
+            int cloneRecordImp (const std::string& origin, const std::string& dest,
+                UniversalId::Type type);
+            ///< Returns the index of the clone.
+
+            int touchRecordImp (const std::string& id);
+            ///< Returns the index of the record on success, -1 on failure.
+
         public:
 
             Collection();
@@ -108,6 +149,10 @@ namespace CSMWorld
                                      const std::string& destination,
                                      const UniversalId::Type type);
 
+            virtual bool touchRecord(const std::string& id);
+            ///< Change the state of a record from base to modified, if it is not already.
+            ///  \return True if the record was changed.
+
             virtual int searchId (const std::string& id) const;
             ////< Search record with \a id.
             /// \return index of record (if found) or -1 (not found)
@@ -205,17 +250,72 @@ namespace CSMWorld
         return true;
     }
 
+    template<typename ESXRecordT, typename IdAccessorT>
+    int Collection<ESXRecordT, IdAccessorT>::cloneRecordImp(const std::string& origin,
+        const std::string& destination, UniversalId::Type type)
+    {
+        Record<ESXRecordT> copy;
+        copy.mModified = getRecord(origin).get();
+        copy.mState = RecordBase::State_ModifiedOnly;
+        IdAccessorT().setId(copy.get(), destination);
+
+        int index = getAppendIndex(destination, type);
+        insertRecord(copy, getAppendIndex(destination, type));
+
+        return index;
+    }
+
+    template<typename ESXRecordT, typename IdAccessorT>
+    int Collection<ESXRecordT, IdAccessorT>::touchRecordImp(const std::string& id)
+    {
+        int index = getIndex(id);
+        Record<ESXRecordT>& record = mRecords.at(index);
+        if (record.isDeleted())
+        {
+            throw std::runtime_error("attempt to touch deleted record");
+        }
+
+        if (!record.isModified())
+        {
+            record.setModified(record.get());
+            return index;
+        }
+
+        return -1;
+    }
+
     template<typename ESXRecordT, typename IdAccessorT>
     void Collection<ESXRecordT, IdAccessorT>::cloneRecord(const std::string& origin,
-                                                          const std::string& destination,
+        const std::string& destination, const UniversalId::Type type)
-                                                          const UniversalId::Type type)
     {
-       Record<ESXRecordT> copy;
+        cloneRecordImp(origin, destination, type);
-       copy.mModified = getRecord(origin).get();
+    }
-       copy.mState = RecordBase::State_ModifiedOnly;
-       copy.get().mId = destination;
 
-       insertRecord(copy, getAppendIndex(destination, type));
+    template<>
+    inline void Collection<Land, IdAccessor<Land> >::cloneRecord(const std::string& origin,
+        const std::string& destination, const UniversalId::Type type)
+    {
+        int index = cloneRecordImp(origin, destination, type);
+        mRecords.at(index).get().mPlugin = 0;
+    }
+
+    template<typename ESXRecordT, typename IdAccessorT>
+    bool Collection<ESXRecordT, IdAccessorT>::touchRecord(const std::string& id)
+    {
+        return touchRecordImp(id) != -1;
+    }
+
+    template<>
+    inline bool Collection<Land, IdAccessor<Land> >::touchRecord(const std::string& id)
+    {
+        int index = touchRecordImp(id);
+        if (index >= 0)
+        {
+            mRecords.at(index).get().mPlugin = 0;
+            return true;
+        }
+
+        return false;
     }
 
     template<typename ESXRecordT, typename IdAccessorT>
@@ -366,7 +466,7 @@ namespace CSMWorld
         UniversalId::Type type)
     {
         ESXRecordT record;
-        IdAccessorT().getId (record) = id;
+        IdAccessorT().setId(record, id);
         record.blank();
 
         Record<ESXRecordT> record2;

apps/opencs/model/world/collectionbase.hpp

@@ -78,6 +78,8 @@ namespace CSMWorld
                                      const std::string& destination,
                                      const UniversalId::Type type) = 0;
 
+            virtual bool touchRecord(const std::string& id) = 0;
+
             virtual const RecordBase& getRecord (const std::string& id) const = 0;
 
             virtual const RecordBase& getRecord (int index) const = 0;

apps/opencs/model/world/columnimp.cpp

@@ -1,28 +1,341 @@
 #include "columnimp.hpp"
 
-CSMWorld::BodyPartRaceColumn::BodyPartRaceColumn(const MeshTypeColumn<ESM::BodyPart> *meshType)
+#include <stdexcept>
-    : mMeshType(meshType)
+#include <QVector>
-{}
 
-QVariant CSMWorld::BodyPartRaceColumn::get(const Record<ESM::BodyPart> &record) const
+namespace CSMWorld
 {
-    if (mMeshType != NULL && mMeshType->get(record) == ESM::BodyPart::MT_Skin)
+    /* LandTextureNicknameColumn */
+    LandTextureNicknameColumn::LandTextureNicknameColumn()
+        : Column<LandTexture>(Columns::ColumnId_TextureNickname, ColumnBase::Display_String)
     {
-        return QString::fromUtf8(record.get().mRace.c_str());
     }
-    return QVariant(QVariant::UserType);
-}
 
-void CSMWorld::BodyPartRaceColumn::set(Record<ESM::BodyPart> &record, const QVariant &data)
+    QVariant LandTextureNicknameColumn::get(const Record<LandTexture>& record) const
-{
+    {
-    ESM::BodyPart record2 = record.get();
+        return QString::fromUtf8(record.get().mId.c_str());
+    }
 
-    record2.mRace = data.toString().toUtf8().constData();
+    void LandTextureNicknameColumn::set(Record<LandTexture>& record, const QVariant& data)
+    {
+        LandTexture copy = record.get();
+        copy.mId = data.toString().toUtf8().constData();
+        record.setModified(copy);
+    }
 
-    record.setModified(record2);
+    bool LandTextureNicknameColumn::isEditable() const
-}
+    {
+        return true;
+    }
 
-bool CSMWorld::BodyPartRaceColumn::isEditable() const
+    /* LandTextureIndexColumn */
-{
+    LandTextureIndexColumn::LandTextureIndexColumn()
-    return true;
+        : Column<LandTexture>(Columns::ColumnId_TextureIndex, ColumnBase::Display_Integer)
+    {
+    }
+
+    QVariant LandTextureIndexColumn::get(const Record<LandTexture>& record) const
+    {
+        return record.get().mIndex;
+    }
+
+    bool LandTextureIndexColumn::isEditable() const
+    {
+        return false;
+    }
+
+    /* LandPluginIndexColumn */
+    LandPluginIndexColumn::LandPluginIndexColumn()
+        : Column<Land>(Columns::ColumnId_PluginIndex, ColumnBase::Display_Integer, 0)
+    {
+    }
+
+    QVariant LandPluginIndexColumn::get(const Record<Land>& record) const
+    {
+        return record.get().mPlugin;
+    }
+
+    bool LandPluginIndexColumn::isEditable() const
+    {
+        return false;
+    }
+
+    /* LandTexturePluginIndexColumn */
+    LandTexturePluginIndexColumn::LandTexturePluginIndexColumn()
+        : Column<LandTexture>(Columns::ColumnId_PluginIndex, ColumnBase::Display_Integer, 0)
+    {
+    }
+
+    QVariant LandTexturePluginIndexColumn::get(const Record<LandTexture>& record) const
+    {
+        return record.get().mPluginIndex;
+    }
+
+    bool LandTexturePluginIndexColumn::isEditable() const
+    {
+        return false;
+    }
+
+    /* LandMapLodColumn */
+    LandMapLodColumn::LandMapLodColumn()
+        : Column<Land>(Columns::ColumnId_LandMapLodIndex, ColumnBase::Display_String, 0)
+    {
+    }
+
+    QVariant LandMapLodColumn::get(const Record<Land>& record) const
+    {
+        const int Size = Land::LAND_GLOBAL_MAP_LOD_SIZE;
+        const Land& land = record.get();
+
+        DataType values(Size, 0);
+
+        if (land.isDataLoaded(Land::DATA_WNAM))
+        {
+            for (int i = 0; i < Size; ++i)
+                values[i] = land.mWnam[i];
+        }
+
+        QVariant variant;
+        variant.setValue(values);
+        return variant;
+    }
+
+    void LandMapLodColumn::set(Record<Land>& record, const QVariant& data)
+    {
+        DataType values = data.value<DataType>();
+
+        if (values.size() != Land::LAND_GLOBAL_MAP_LOD_SIZE)
+            throw std::runtime_error("invalid land map LOD data");
+
+        Land copy = record.get();
+        copy.setDataLoaded(Land::DATA_WNAM);
+
+        for (int i = 0; i < values.size(); ++i)
+        {
+            copy.mWnam[i] = values[i];
+        }
+
+        record.setModified(copy);
+    }
+
+    bool LandMapLodColumn::isEditable() const
+    {
+        return true;
+    }
+
+    /* LandNormalsColumn */
+    LandNormalsColumn::LandNormalsColumn()
+        : Column<Land>(Columns::ColumnId_LandNormalsIndex, ColumnBase::Display_String, 0)
+    {
+    }
+
+    QVariant LandNormalsColumn::get(const Record<Land>& record) const
+    {
+        const int Size = Land::LAND_NUM_VERTS * 3;
+        const Land& land = record.get();
+
+        DataType values(Size, 0);
+
+        if (land.isDataLoaded(Land::DATA_VNML))
+        {
+            for (int i = 0; i < Size; ++i)
+                values[i] = land.getLandData()->mNormals[i];
+        }
+
+        QVariant variant;
+        variant.setValue(values);
+        return variant;
+    }
+
+    void LandNormalsColumn::set(Record<Land>& record, const QVariant& data)
+    {
+        DataType values = data.value<DataType>();
+
+        if (values.size() != Land::LAND_NUM_VERTS * 3)
+            throw std::runtime_error("invalid land normals data");
+
+        Land copy = record.get();
+        copy.setDataLoaded(Land::DATA_VNML);
+
+        for (int i = 0; i < values.size(); ++i)
+        {
+            copy.getLandData()->mNormals[i] = values[i];
+        }
+
+        record.setModified(copy);
+    }
+
+    bool LandNormalsColumn::isEditable() const
+    {
+        return true;
+    }
+
+    /* LandHeightsColumn */
+    LandHeightsColumn::LandHeightsColumn()
+        : Column<Land>(Columns::ColumnId_LandHeightsIndex, ColumnBase::Display_String, 0)
+    {
+    }
+
+    QVariant LandHeightsColumn::get(const Record<Land>& record) const
+    {
+        const int Size = Land::LAND_NUM_VERTS;
+        const Land& land = record.get();
+
+        DataType values(Size, 0);
+
+        if (land.isDataLoaded(Land::DATA_VHGT))
+        {
+            for (int i = 0; i < Size; ++i)
+                values[i] = land.getLandData()->mHeights[i];
+        }
+
+        QVariant variant;
+        variant.setValue(values);
+        return variant;
+    }
+
+    void LandHeightsColumn::set(Record<Land>& record, const QVariant& data)
+    {
+        DataType values = data.value<DataType>();
+
+        if (values.size() != Land::LAND_NUM_VERTS)
+            throw std::runtime_error("invalid land heights data");
+
+        Land copy = record.get();
+        copy.setDataLoaded(Land::DATA_VHGT);
+
+        for (int i = 0; i < values.size(); ++i)
+        {
+            copy.getLandData()->mHeights[i] = values[i];
+        }
+
+        record.setModified(copy);
+    }
+
+    bool LandHeightsColumn::isEditable() const
+    {
+        return true;
+    }
+
+    /* LandColoursColumn */
+    LandColoursColumn::LandColoursColumn()
+        : Column<Land>(Columns::ColumnId_LandColoursIndex, ColumnBase::Display_String, 0)
+    {
+    }
+
+    QVariant LandColoursColumn::get(const Record<Land>& record) const
+    {
+        const int Size = Land::LAND_NUM_VERTS * 3;
+        const Land& land = record.get();
+
+        DataType values(Size, 0);
+
+        if (land.isDataLoaded(Land::DATA_VCLR))
+        {
+            for (int i = 0; i < Size; ++i)
+                values[i] = land.getLandData()->mColours[i];
+        }
+
+        QVariant variant;
+        variant.setValue(values);
+        return variant;
+    }
+
+    void LandColoursColumn::set(Record<Land>& record, const QVariant& data)
+    {
+        DataType values = data.value<DataType>();
+
+        if (values.size() != Land::LAND_NUM_VERTS * 3)
+            throw std::runtime_error("invalid land colours data");
+
+        Land copy = record.get();
+        copy.setDataLoaded(Land::DATA_VCLR);
+
+        for (int i = 0; i < values.size(); ++i)
+        {
+            copy.getLandData()->mColours[i] = values[i];
+        }
+
+        record.setModified(copy);
+    }
+
+    bool LandColoursColumn::isEditable() const
+    {
+        return true;
+    }
+
+    /* LandTexturesColumn */
+    LandTexturesColumn::LandTexturesColumn()
+        : Column<Land>(Columns::ColumnId_LandTexturesIndex, ColumnBase::Display_String, 0)
+    {
+    }
+
+    QVariant LandTexturesColumn::get(const Record<Land>& record) const
+    {
+        const int Size = Land::LAND_NUM_TEXTURES;
+        const Land& land = record.get();
+
+        DataType values(Size, 0);
+
+        if (land.isDataLoaded(Land::DATA_VTEX))
+        {
+            for (int i = 0; i < Size; ++i)
+                values[i] = land.getLandData()->mTextures[i];
+        }
+
+        QVariant variant;
+        variant.setValue(values);
+        return variant;
+    }
+
+    void LandTexturesColumn::set(Record<Land>& record, const QVariant& data)
+    {
+        DataType values = data.value<DataType>();
+
+        if (values.size() != Land::LAND_NUM_TEXTURES)
+            throw std::runtime_error("invalid land textures data");
+
+        Land copy = record.get();
+        copy.setDataLoaded(Land::DATA_VTEX);
+
+        for (int i = 0; i < values.size(); ++i)
+        {
+            copy.getLandData()->mTextures[i] = values[i];
+        }
+
+        record.setModified(copy);
+    }
+
+    bool LandTexturesColumn::isEditable() const
+    {
+        return true;
+    }
+
+    /* BodyPartRaceColumn */
+    BodyPartRaceColumn::BodyPartRaceColumn(const MeshTypeColumn<ESM::BodyPart> *meshType)
+        : mMeshType(meshType)
+    {}
+
+    QVariant BodyPartRaceColumn::get(const Record<ESM::BodyPart> &record) const
+    {
+        if (mMeshType != NULL && mMeshType->get(record) == ESM::BodyPart::MT_Skin)
+        {
+            return QString::fromUtf8(record.get().mRace.c_str());
+        }
+        return QVariant(QVariant::UserType);
+    }
+
+    void BodyPartRaceColumn::set(Record<ESM::BodyPart> &record, const QVariant &data)
+    {
+        ESM::BodyPart record2 = record.get();
+
+        record2.mRace = data.toString().toUtf8().constData();
+
+        record.setModified(record2);
+    }
+
+    bool BodyPartRaceColumn::isEditable() const
+    {
+        return true;
+    }
 }

apps/opencs/model/world/columnimp.hpp

@@ -2,10 +2,12 @@
 #define CSM_WOLRD_COLUMNIMP_H
 
 #include <cassert>
+#include <cstdint>
 #include <sstream>
 #include <stdexcept>
 
 #include <QColor>
+#include <QVector>
 
 #include <components/esm/loadbody.hpp>
 #include <components/esm/loadskil.hpp>
@@ -15,6 +17,9 @@
 #include "columns.hpp"
 #include "info.hpp"
 
+#include "land.hpp"
+#include "landtexture.hpp"
+
 namespace CSMWorld
 {
     /// \note Shares ID with VarValueColumn. A table can not have both.
@@ -60,6 +65,20 @@ namespace CSMWorld
         }
     };
 
+    template<>
+    inline QVariant StringIdColumn<Land>::get(const Record<Land>& record) const
+    {
+        const Land& land = record.get();
+        return QString::fromUtf8(Land::createUniqueRecordId(land.mX, land.mY).c_str());
+    }
+
+    template<>
+    inline QVariant StringIdColumn<LandTexture>::get(const Record<LandTexture>& record) const
+    {
+        const LandTexture& ltex = record.get();
+        return QString::fromUtf8(LandTexture::createUniqueRecordId(ltex.mPluginIndex, ltex.mIndex).c_str());
+    }
+
     template<typename ESXRecordT>
     struct RecordStateColumn : public Column<ESXRecordT>
     {
@@ -1499,9 +1518,9 @@ namespace CSMWorld
     template<typename ESXRecordT>
     struct TopicColumn : public Column<ESXRecordT>
     {
-        TopicColumn (bool journal) 
+        TopicColumn (bool journal)
         : Column<ESXRecordT> (journal ? Columns::ColumnId_Journal : Columns::ColumnId_Topic,
-                              journal ? ColumnBase::Display_Journal : ColumnBase::Display_Topic) 
+                              journal ? ColumnBase::Display_Journal : ColumnBase::Display_Topic)
         {}
 
         virtual QVariant get (const Record<ESXRecordT>& record) const
@@ -1755,7 +1774,7 @@ namespace CSMWorld
             return true;
         }
     };
-    
+
     template<typename ESXRecordT>
     struct GenderNpcColumn : public Column<ESXRecordT>
     {
@@ -2198,8 +2217,8 @@ namespace CSMWorld
     struct EffectTextureColumn : public Column<ESXRecordT>
     {
         EffectTextureColumn (Columns::ColumnId columnId)
-        : Column<ESXRecordT> (columnId, 
+        : Column<ESXRecordT> (columnId,
-                              columnId == Columns::ColumnId_Particle ? ColumnBase::Display_Texture 
+                              columnId == Columns::ColumnId_Particle ? ColumnBase::Display_Texture
                                                                      : ColumnBase::Display_Icon)
         {
             assert (this->mColumnId==Columns::ColumnId_Icon ||
@@ -2417,7 +2436,95 @@ namespace CSMWorld
             return true;
         }
     };
-    
+
+    struct LandTextureNicknameColumn : public Column<LandTexture>
+    {
+        LandTextureNicknameColumn();
+
+        QVariant get(const Record<LandTexture>& record) const override;
+        void set(Record<LandTexture>& record, const QVariant& data) override;
+        bool isEditable() const override;
+    };
+
+    struct LandTextureIndexColumn : public Column<LandTexture>
+    {
+        LandTextureIndexColumn();
+
+        QVariant get(const Record<LandTexture>& record) const override;
+        bool isEditable() const override;
+    };
+
+    struct LandPluginIndexColumn : public Column<Land>
+    {
+        LandPluginIndexColumn();
+
+        QVariant get(const Record<Land>& record) const override;
+        bool isEditable() const override;
+    };
+
+    struct LandTexturePluginIndexColumn : public Column<LandTexture>
+    {
+        LandTexturePluginIndexColumn();
+
+        QVariant get(const Record<LandTexture>& record) const override;
+        bool isEditable() const override;
+    };
+
+    struct LandMapLodColumn : public Column<Land>
+    {
+        using DataType = QVector<signed char>;
+
+        LandMapLodColumn();
+
+        QVariant get(const Record<Land>& record) const override;
+        void set(Record<Land>& record, const QVariant& data) override;
+        bool isEditable() const override;
+    };
+
+    struct LandNormalsColumn : public Column<Land>
+    {
+        using DataType = QVector<signed char>;
+
+        LandNormalsColumn();
+
+        QVariant get(const Record<Land>& record) const override;
+        void set(Record<Land>& record, const QVariant& data) override;
+        bool isEditable() const override;
+    };
+
+    struct LandHeightsColumn : public Column<Land>
+    {
+        using DataType = QVector<float>;
+
+        LandHeightsColumn();
+
+        QVariant get(const Record<Land>& record) const override;
+        void set(Record<Land>& record, const QVariant& data) override;
+        bool isEditable() const override;
+    };
+
+    struct LandColoursColumn : public Column<Land>
+    {
+        using DataType = QVector<unsigned char>;
+
+        LandColoursColumn();
+
+        QVariant get(const Record<Land>& record) const override;
+        void set(Record<Land>& record, const QVariant& data) override;
+        bool isEditable() const override;
+    };
+
+    struct LandTexturesColumn : public Column<Land>
+    {
+        using DataType = QVector<uint16_t>;
+
+        LandTexturesColumn();
+
+        QVariant get(const Record<Land>& record) const override;
+        void set(Record<Land>& record, const QVariant& data) override;
+        bool isEditable() const override;
+    };
+
     struct BodyPartRaceColumn : public RaceColumn<ESM::BodyPart>
     {
         const MeshTypeColumn<ESM::BodyPart> *mMeshType;
@@ -2430,4 +2537,11 @@ namespace CSMWorld
     };
 }
 
+// This is required to access the type as a QVariant.
+Q_DECLARE_METATYPE(CSMWorld::LandMapLodColumn::DataType)
+//Q_DECLARE_METATYPE(CSMWorld::LandNormalsColumn::DataType) // Same as LandMapLodColumn::DataType
+Q_DECLARE_METATYPE(CSMWorld::LandHeightsColumn::DataType)
+Q_DECLARE_METATYPE(CSMWorld::LandColoursColumn::DataType)
+Q_DECLARE_METATYPE(CSMWorld::LandTexturesColumn::DataType)
+
 #endif

apps/opencs/model/world/columns.cpp

@@ -124,7 +124,7 @@ namespace CSMWorld
             { ColumnId_Portable, "Portable" },
             { ColumnId_NegativeLight, "Negative Light" },
             { ColumnId_EmitterType, "Emitter Type" },
-            
+
             { ColumnId_Fire, "Fire" },
             { ColumnId_OffByDefault, "Off by default" },
             { ColumnId_IsKey, "Is Key" },
@@ -330,6 +330,14 @@ namespace CSMWorld
             { ColumnId_WeatherChance, "Percent Chance" },
 
             { ColumnId_Text, "Text" },
+            { ColumnId_TextureNickname, "Texture Nickname" },
+            { ColumnId_PluginIndex, "Plugin Index" },
+            { ColumnId_TextureIndex, "Texture Index" },
+            { ColumnId_LandMapLodIndex, "Land map height LOD" },
+            { ColumnId_LandNormalsIndex, "Land normals" },
+            { ColumnId_LandHeightsIndex, "Land heights" },
+            { ColumnId_LandColoursIndex, "Land colors" },
+            { ColumnId_LandTexturesIndex, "Land textures" },
 
             { ColumnId_UseValue1, "Use value 1" },
             { ColumnId_UseValue2, "Use value 2" },

apps/opencs/model/world/columns.hpp

@@ -329,6 +329,15 @@ namespace CSMWorld
 
             ColumnId_Text = 297,
 
+            ColumnId_TextureNickname = 298,
+            ColumnId_PluginIndex = 299,
+            ColumnId_TextureIndex = 300,
+            ColumnId_LandMapLodIndex = 301,
+            ColumnId_LandNormalsIndex = 302,
+            ColumnId_LandHeightsIndex = 303,
+            ColumnId_LandColoursIndex = 304,
+            ColumnId_LandTexturesIndex = 305,
+
             // Allocated to a separate value range, so we don't get a collision should we ever need
             // to extend the number of use values.
             ColumnId_UseValue1 = 0x10000,

apps/opencs/model/world/commands.cpp

@@ -2,6 +2,7 @@
 
 #include <cmath>
 #include <sstream>
+#include <unordered_set>
 
 #include <components/misc/stringops.hpp>
 
@@ -15,6 +16,175 @@
 #include "nestedtablewrapper.hpp"
 #include "pathgrid.hpp"
 
+CSMWorld::TouchCommand::TouchCommand(IdTable& table, const std::string& id, QUndoCommand* parent)
+    : QUndoCommand(parent)
+    , mTable(table)
+    , mId(id)
+    , mOld(nullptr)
+    , mChanged(false)
+{
+    setText(("Touch " + mId).c_str());
+    mOld.reset(mTable.getRecord(mId).clone());
+}
+
+void CSMWorld::TouchCommand::redo()
+{
+    mChanged = mTable.touchRecord(mId);
+}
+
+void CSMWorld::TouchCommand::undo()
+{
+    if (mChanged)
+    {
+        mTable.setRecord(mId, *mOld);
+        mChanged = false;
+    }
+}
+
+CSMWorld::ImportLandTexturesCommand::ImportLandTexturesCommand(IdTable& landTable,
+    IdTable& ltexTable, QUndoCommand* parent)
+    : QUndoCommand(parent)
+    , mLands(landTable)
+    , mLtexs(ltexTable)
+    , mOldState(0)
+{
+    setText("Copy land textures to current plugin");
+}
+
+void CSMWorld::ImportLandTexturesCommand::redo()
+{
+    int pluginColumn = mLands.findColumnIndex(Columns::ColumnId_PluginIndex);
+    int oldPlugin = mLands.data(mLands.getModelIndex(getOriginId(), pluginColumn)).toInt();
+
+    // Original data
+    int textureColumn = mLands.findColumnIndex(Columns::ColumnId_LandTexturesIndex);
+    mOld = mLands.data(mLands.getModelIndex(getOriginId(), textureColumn)).value<DataType>();
+
+    // Need to make a copy so the old values can be looked up
+    DataType copy(mOld);
+
+    // Perform touch/copy/etc...
+    onRedo();
+
+    // Find all indices used
+    std::unordered_set<int> texIndices;
+    for (int i = 0; i < mOld.size(); ++i)
+    {
+        // All indices are offset by 1 for a default texture
+        if (mOld[i] > 0)
+            texIndices.insert(mOld[i] - 1);
+    }
+
+    std::vector<std::string> oldTextures;
+    for (int index : texIndices)
+    {
+        oldTextures.push_back(LandTexture::createUniqueRecordId(oldPlugin, index));
+    }
+
+    // Import the textures, replace old values
+    LandTextureIdTable::ImportResults results = dynamic_cast<LandTextureIdTable&>(mLtexs).importTextures(oldTextures);
+    mCreatedTextures = std::move(results.createdRecords);
+    for (const auto& it : results.recordMapping)
+    {
+        int plugin = 0, newIndex = 0, oldIndex = 0;
+        LandTexture::parseUniqueRecordId(it.first, plugin, oldIndex);
+        LandTexture::parseUniqueRecordId(it.second, plugin, newIndex);
+
+        if (newIndex != oldIndex)
+        {
+            for (int i = 0; i < Land::LAND_NUM_TEXTURES; ++i)
+            {
+                // All indices are offset by 1 for a default texture
+                if (mOld[i] == oldIndex + 1)
+                    copy[i] = newIndex + 1;
+            }
+        }
+    }
+
+    // Apply modification
+    int stateColumn = mLands.findColumnIndex(Columns::ColumnId_Modification);
+    mOldState = mLands.data(mLands.getModelIndex(getDestinationId(), stateColumn)).toInt();
+
+    QVariant variant;
+    variant.setValue(copy);
+    mLands.setData(mLands.getModelIndex(getDestinationId(), textureColumn), variant);
+}
+
+void CSMWorld::ImportLandTexturesCommand::undo()
+{
+    // Restore to previous
+    int textureColumn = mLands.findColumnIndex(Columns::ColumnId_LandTexturesIndex);
+    QVariant variant;
+    variant.setValue(mOld);
+    mLands.setData(mLands.getModelIndex(getDestinationId(), textureColumn), variant);
+
+    int stateColumn = mLands.findColumnIndex(Columns::ColumnId_Modification);
+    mLands.setData(mLands.getModelIndex(getDestinationId(), stateColumn), mOldState);
+
+    // Undo copy/touch/etc...
+    onUndo();
+
+    for (const std::string& id : mCreatedTextures)
+    {
+        int row = mLtexs.getModelIndex(id, 0).row();
+        mLtexs.removeRows(row, 1);
+    }
+    mCreatedTextures.clear();
+}
+
+CSMWorld::CopyLandTexturesCommand::CopyLandTexturesCommand(IdTable& landTable, IdTable& ltexTable,
+    const std::string& origin, const std::string& dest, QUndoCommand* parent)
+    : ImportLandTexturesCommand(landTable, ltexTable, parent)
+    , mOriginId(origin)
+    , mDestId(dest)
+{
+}
+
+const std::string& CSMWorld::CopyLandTexturesCommand::getOriginId() const
+{
+    return mOriginId;
+}
+
+const std::string& CSMWorld::CopyLandTexturesCommand::getDestinationId() const
+{
+    return mDestId;
+}
+
+CSMWorld::TouchLandCommand::TouchLandCommand(IdTable& landTable, IdTable& ltexTable,
+    const std::string& id, QUndoCommand* parent)
+    : ImportLandTexturesCommand(landTable, ltexTable, parent)
+    , mId(id)
+    , mOld(nullptr)
+    , mChanged(false)
+{
+    setText(("Touch " + mId).c_str());
+    mOld.reset(mLands.getRecord(mId).clone());
+}
+
+const std::string& CSMWorld::TouchLandCommand::getOriginId() const
+{
+    return mId;
+}
+
+const std::string& CSMWorld::TouchLandCommand::getDestinationId() const
+{
+    return mId;
+}
+
+void CSMWorld::TouchLandCommand::onRedo()
+{
+    mChanged = mLands.touchRecord(mId);
+}
+
+void CSMWorld::TouchLandCommand::onUndo()
+{
+    if (mChanged)
+    {
+        mLands.setRecord(mId, *mOld);
+        mChanged = false;
+    }
+}
+
 CSMWorld::ModifyCommand::ModifyCommand (QAbstractItemModel& model, const QModelIndex& index,
                                         const QVariant& new_, QUndoCommand* parent)
     : QUndoCommand (parent), mModel (&model), mIndex (index), mNew (new_), mHasRecordState(false), mOldRecordState(CSMWorld::RecordBase::State_BaseOnly)

apps/opencs/model/world/commands.hpp

@@ -5,12 +5,14 @@
 
 #include <string>
 #include <map>
+#include <memory>
 #include <vector>
 
 #include <QVariant>
 #include <QUndoCommand>
 #include <QModelIndex>
 
+#include "columnimp.hpp"
 #include "universalid.hpp"
 #include "nestedtablewrapper.hpp"
 
@@ -24,6 +26,91 @@ namespace CSMWorld
     struct RecordBase;
     struct NestedTableWrapperBase;
 
+    class TouchCommand : public QUndoCommand
+    {
+        public:
+
+            TouchCommand(IdTable& model, const std::string& id, QUndoCommand* parent=nullptr);
+
+            void redo() override;
+            void undo() override;
+
+        private:
+
+            IdTable& mTable;
+            std::string mId;
+            std::unique_ptr<RecordBase> mOld;
+
+            bool mChanged;
+    };
+
+    class ImportLandTexturesCommand : public QUndoCommand
+    {
+        public:
+
+            ImportLandTexturesCommand(IdTable& landTable, IdTable& ltexTable,
+                QUndoCommand* parent);
+
+            void redo() override;
+            void undo() override;
+
+        protected:
+
+            using DataType = LandTexturesColumn::DataType;
+
+            virtual const std::string& getOriginId() const = 0;
+            virtual const std::string& getDestinationId() const = 0;
+
+            virtual void onRedo() = 0;
+            virtual void onUndo() = 0;
+
+            IdTable& mLands;
+            IdTable& mLtexs;
+            DataType mOld;
+            int mOldState;
+            std::vector<std::string> mCreatedTextures;
+    };
+
+    class CopyLandTexturesCommand : public ImportLandTexturesCommand
+    {
+        public:
+
+            CopyLandTexturesCommand(IdTable& landTable, IdTable& ltexTable, const std::string& origin,
+                const std::string& dest, QUndoCommand* parent = nullptr);
+
+        private:
+
+            const std::string& getOriginId() const override;
+            const std::string& getDestinationId() const override;
+
+            void onRedo() override {}
+            void onUndo() override {}
+
+            std::string mOriginId;
+            std::string mDestId;
+    };
+
+    class TouchLandCommand : public ImportLandTexturesCommand
+    {
+        public:
+
+            TouchLandCommand(IdTable& landTable, IdTable& ltexTable,
+                const std::string& id, QUndoCommand* parent = nullptr);
+
+        private:
+
+            const std::string& getOriginId() const override;
+            const std::string& getDestinationId() const override;
+
+            void onRedo() override;
+            void onUndo() override;
+
+            std::string mId;
+            std::unique_ptr<RecordBase> mOld;
+
+            bool mChanged;
+    };
+
     class ModifyCommand : public QUndoCommand
     {
             QAbstractItemModel *mModel;

apps/opencs/model/world/data.cpp

@@ -412,6 +412,24 @@ CSMWorld::Data::Data (ToUTF8::FromType encoding, bool fsStrict, const Files::Pat
         Columns::ColumnId_NegativeLight, ESM::MagicEffect::NegativeLight));
     mMagicEffects.addColumn (new DescriptionColumn<ESM::MagicEffect>);
 
+    mLand.addColumn (new StringIdColumn<Land>);
+    mLand.addColumn (new RecordStateColumn<Land>);
+    mLand.addColumn (new FixedRecordTypeColumn<Land>(UniversalId::Type_Land));
+    mLand.addColumn (new LandPluginIndexColumn);
+    mLand.addColumn (new LandMapLodColumn);
+    mLand.addColumn (new LandNormalsColumn);
+    mLand.addColumn (new LandHeightsColumn);
+    mLand.addColumn (new LandColoursColumn);
+    mLand.addColumn (new LandTexturesColumn);
+
+    mLandTextures.addColumn (new StringIdColumn<LandTexture>(true));
+    mLandTextures.addColumn (new RecordStateColumn<LandTexture>);
+    mLandTextures.addColumn (new FixedRecordTypeColumn<LandTexture>(UniversalId::Type_LandTexture));
+    mLandTextures.addColumn (new LandTextureNicknameColumn);
+    mLandTextures.addColumn (new LandTexturePluginIndexColumn);
+    mLandTextures.addColumn (new LandTextureIndexColumn);
+    mLandTextures.addColumn (new TextureColumn<LandTexture>);
+
     mPathgrids.addColumn (new StringIdColumn<Pathgrid>);
     mPathgrids.addColumn (new RecordStateColumn<Pathgrid>);
     mPathgrids.addColumn (new FixedRecordTypeColumn<Pathgrid> (UniversalId::Type_Pathgrid));
@@ -531,6 +549,8 @@ CSMWorld::Data::Data (ToUTF8::FromType encoding, bool fsStrict, const Files::Pat
     addModel (new IdTable (&mBodyParts), UniversalId::Type_BodyPart);
     addModel (new IdTable (&mSoundGens), UniversalId::Type_SoundGen);
     addModel (new IdTable (&mMagicEffects), UniversalId::Type_MagicEffect);
+    addModel (new IdTable (&mLand, IdTable::Feature_AllowTouch), UniversalId::Type_Land);
+    addModel (new LandTextureIdTable (&mLandTextures), UniversalId::Type_LandTexture);
     addModel (new IdTree (&mPathgrids, &mPathgrids), UniversalId::Type_Pathgrid);
     addModel (new IdTable (&mStartScripts), UniversalId::Type_StartScript);
     addModel (new IdTree (&mReferenceables, &mReferenceables, IdTable::Feature_Preview),
@@ -993,19 +1013,7 @@ bool CSMWorld::Data::continueLoading (CSMDoc::Messages& messages)
 
         case ESM::REC_LTEX: mLandTextures.load (*mReader, mBase); break;
 
-        case ESM::REC_LAND:
+        case ESM::REC_LAND: mLand.load(*mReader, mBase); break;
-        {
-            int index = mLand.load(*mReader, mBase);
-
-            // Load all land data for now. A future optimisation may only load non-base data
-            // if a suitable mechanism for avoiding race conditions can be established.
-            if (index!=-1/* && !mBase*/)
-                mLand.getRecord (index).get().loadData (
-                    ESM::Land::DATA_VHGT | ESM::Land::DATA_VNML | ESM::Land::DATA_VCLR |
-                    ESM::Land::DATA_VTEX);
-
-            break;
-        }
 
         case ESM::REC_CELL:
         {

apps/opencs/model/world/idcollection.hpp

@@ -4,6 +4,7 @@
 #include <components/esm/esmreader.hpp>
 
 #include "collection.hpp"
+#include "land.hpp"
 
 namespace CSMWorld
 {
@@ -39,6 +40,22 @@ namespace CSMWorld
         record.load (reader, isDeleted);
     }
 
+    template<>
+    inline void IdCollection<Land, IdAccessor<Land> >::loadRecord (Land& record,
+        ESM::ESMReader& reader, bool& isDeleted)
+    {
+        record.load (reader, isDeleted);
+
+        // Load all land data for now. A future optimisation may only load non-base data
+        // if a suitable mechanism for avoiding race conditions can be established.
+        int flags = ESM::Land::DATA_VHGT | ESM::Land::DATA_VNML |
+            ESM::Land::DATA_VCLR | ESM::Land::DATA_VTEX;
+        record.loadData (flags);
+
+        // Prevent data from being reloaded.
+        record.mContext.filename.clear();
+    }
+
     template<typename ESXRecordT, typename IdAccessorT>
     int IdCollection<ESXRecordT, IdAccessorT>::load (ESM::ESMReader& reader, bool base)
     {

apps/opencs/model/world/idtable.cpp

@@ -1,11 +1,17 @@
 #include "idtable.hpp"
 
+#include <algorithm>
+#include <cctype>
+#include <cstdint>
+#include <limits>
+#include <map>
 #include <stdexcept>
 
 #include <components/esm/cellid.hpp>
 
 #include "collectionbase.hpp"
 #include "columnbase.hpp"
+#include "landtexture.hpp"
 
 CSMWorld::IdTable::IdTable (CollectionBase *idCollection, unsigned int features)
 : IdTableBase (features), mIdCollection (idCollection)
@@ -179,6 +185,26 @@ void CSMWorld::IdTable::cloneRecord(const std::string& origin,
     endInsertRows();
 }
 
+bool CSMWorld::IdTable::touchRecord(const std::string& id)
+{
+    bool changed = mIdCollection->touchRecord(id);
+
+    int row = mIdCollection->getIndex(id);
+    int column = mIdCollection->searchColumnIndex(Columns::ColumnId_RecordType);
+    if (changed && column != -1)
+    {
+        QModelIndex modelIndex = index(row, column);
+        emit dataChanged(modelIndex, modelIndex);
+    }
+
+    return changed;
+}
+
+std::string CSMWorld::IdTable::getId(int row) const
+{
+    return mIdCollection->getId(row);
+}
+
 ///This method can return only indexes to the top level table cells
 QModelIndex CSMWorld::IdTable::getModelIndex (const std::string& id, int column) const
 {
@@ -281,3 +307,72 @@ CSMWorld::CollectionBase *CSMWorld::IdTable::idCollection() const
 {
     return mIdCollection;
 }
+
+CSMWorld::LandTextureIdTable::LandTextureIdTable(CollectionBase* idCollection, unsigned int features)
+    : IdTable(idCollection, features)
+{
+}
+
+CSMWorld::LandTextureIdTable::ImportResults CSMWorld::LandTextureIdTable::importTextures(const std::vector<std::string>& ids)
+{
+    ImportResults results;
+
+    // Map existing textures to ids
+    std::map<std::string, std::string> reverseLookupMap;
+    for (int i = 0; i < idCollection()->getSize(); ++i)
+    {
+        auto& record = static_cast<const Record<LandTexture>&>(idCollection()->getRecord(i));
+        std::string texture = record.get().mTexture;
+        std::transform(texture.begin(), texture.end(), texture.begin(), tolower);
+        if (record.isModified())
+            reverseLookupMap.emplace(texture, idCollection()->getId(i));
+    }
+
+    for (const std::string& id : ids)
+    {
+        int plugin, index;
+
+        LandTexture::parseUniqueRecordId(id, plugin, index);
+        int oldRow = idCollection()->searchId(id);
+
+        // If it does not exist or it is in the current plugin, it can be skipped.
+        if (oldRow <= 0 || plugin == 0)
+        {
+            results.recordMapping.push_back(std::make_pair(id, id));
+            continue;
+        }
+
+        // Look for a pre-existing record
+        auto& record = static_cast<const Record<LandTexture>&>(idCollection()->getRecord(oldRow));
+        std::string texture = record.get().mTexture;
+        std::transform(texture.begin(), texture.end(), texture.begin(), tolower);
+        auto searchIt = reverseLookupMap.find(texture);
+        if (searchIt != reverseLookupMap.end())
+        {
+            results.recordMapping.push_back(std::make_pair(id, searchIt->second));
+            continue;
+        }
+
+        // Iterate until an unused index or found, or the index has completely wrapped around.
+        int startIndex = index;
+        do {
+            std::string newId = LandTexture::createUniqueRecordId(0, index);
+            int newRow = idCollection()->searchId(newId);
+
+            if (newRow < 0)
+            {
+                // Id not taken, clone it
+                cloneRecord(id, newId, UniversalId::Type_LandTexture);
+                results.createdRecords.push_back(newId);
+                results.recordMapping.push_back(std::make_pair(id, newId));
+                reverseLookupMap.emplace(texture, newId);
+                break;
+            }
+
+            const size_t MaxIndex = std::numeric_limits<uint16_t>::max() - 1;
+            index = (index + 1) % MaxIndex;
+        } while (index != startIndex);
+    }
+
+    return results;
+}

apps/opencs/model/world/idtable.hpp

@@ -61,6 +61,11 @@ namespace CSMWorld
                              const std::string& destination,
                              UniversalId::Type type = UniversalId::Type_None);
 
+            bool touchRecord(const std::string& id);
+            ///< Will change the record state to modified, if it is not already.
+
+            std::string getId(int row) const;
+
             virtual QModelIndex getModelIndex (const std::string& id, int column) const;
 
             void setRecord (const std::string& id, const RecordBase& record,
@@ -93,6 +98,29 @@ namespace CSMWorld
 
             virtual CollectionBase *idCollection() const;
     };
+
+    /// An IdTable customized to handle the more unique needs of LandTextureId's which behave
+    /// differently from other records. The major difference is that base records cannot be
+    /// modified.
+    class LandTextureIdTable : public IdTable
+    {
+        public:
+
+            struct ImportResults
+            {
+                using StringPair = std::pair<std::string,std::string>;
+
+                /// The newly added records
+                std::vector<std::string> createdRecords;
+                /// The 1st string is the original id, the 2nd is the mapped id
+                std::vector<StringPair> recordMapping;
+            };
+
+            LandTextureIdTable(CollectionBase* idCollection, unsigned int features=0);
+
+            /// Finds and maps/recreates the specified ids.
+            ImportResults importTextures(const std::vector<std::string>& ids);
+    };
 }
 
 #endif

apps/opencs/model/world/idtablebase.hpp

@@ -32,7 +32,9 @@ namespace CSMWorld
                 Feature_Preview = 8,
 
                 /// Table can not be modified through ordinary means.
-                Feature_Constant = 16
+                Feature_Constant = 16,
+
+                Feature_AllowTouch = 32
             };
 
         private:
@@ -61,7 +63,7 @@ namespace CSMWorld
             virtual bool isDeleted (const std::string& id) const = 0;
 
             virtual int getColumnId (int column) const = 0;
-            
+
             unsigned int getFeatures() const;
     };
 }

apps/opencs/model/world/land.cpp

@@ -1,15 +1,30 @@
 #include "land.hpp"
 
 #include <sstream>
+#include <stdexcept>
 
 namespace CSMWorld
 {
     void Land::load(ESM::ESMReader &esm, bool &isDeleted)
     {
         ESM::Land::load(esm, isDeleted);
+    }
 
+    std::string Land::createUniqueRecordId(int x, int y)
+    {
         std::ostringstream stream;
-        stream << "#" << mX << " " << mY;
+        stream << "#" << x << " " << y;
-        mId = stream.str();
+        return stream.str();
+    }
+
+    void Land::parseUniqueRecordId(const std::string& id, int& x, int& y)
+    {
+        size_t mid = id.find(' ');
+
+        if (mid == std::string::npos || id[0] != '#')
+            throw std::runtime_error("Invalid Land ID");
+
+        x = std::stoi(id.substr(1, mid - 1));
+        y = std::stoi(id.substr(mid + 1));
     }
 }

apps/opencs/model/world/land.hpp

@@ -12,10 +12,11 @@ namespace CSMWorld
     /// \todo Add worldspace support to the Land record.
     struct Land : public ESM::Land
     {
-        std::string mId;
-
         /// Loads the metadata and ID
         void load (ESM::ESMReader &esm, bool &isDeleted);
+
+        static std::string createUniqueRecordId(int x, int y);
+        static void parseUniqueRecordId(const std::string& id, int& x, int& y);
     };
 }
 

apps/opencs/model/world/landtexture.cpp

@@ -1,5 +1,8 @@
 #include "landtexture.hpp"
 
+#include <sstream>
+#include <stdexcept>
+
 #include <components/esm/esmreader.hpp>
 
 namespace CSMWorld
@@ -11,4 +14,21 @@ namespace CSMWorld
         mPluginIndex = esm.getIndex();
     }
 
+    std::string LandTexture::createUniqueRecordId(int plugin, int index)
+    {
+        std::stringstream ss;
+        ss << 'L' << plugin << '#' << index;
+        return ss.str();
+    }
+
+    void LandTexture::parseUniqueRecordId(const std::string& id, int& plugin, int& index)
+    {
+        size_t middle = id.find('#');
+
+        if (middle == std::string::npos || id[0] != 'L')
+            throw std::runtime_error("Invalid LandTexture ID");
+
+        plugin = std::stoi(id.substr(1,middle-1));
+        index = std::stoi(id.substr(middle+1));
+    }
 }

apps/opencs/model/world/landtexture.hpp

@@ -13,6 +13,11 @@ namespace CSMWorld
         int mPluginIndex;
 
         void load (ESM::ESMReader &esm, bool &isDeleted);
+
+        /// Returns a string identifier that will be unique to any LandTexture.
+        static std::string createUniqueRecordId(int plugin, int index);
+        /// Deconstructs a unique string identifier into plugin and index.
+        static void parseUniqueRecordId(const std::string& id, int& plugin, int& index);
     };
 }
 

apps/opencs/model/world/landtexturetableproxymodel.cpp

@@ -0,0 +1,21 @@
+#include "landtexturetableproxymodel.hpp"
+
+#include "idtable.hpp"
+
+namespace CSMWorld
+{
+    LandTextureTableProxyModel::LandTextureTableProxyModel(QObject* parent)
+        : IdTableProxyModel(parent)
+    {
+    }
+
+    bool LandTextureTableProxyModel::filterAcceptsRow (int sourceRow, const QModelIndex& sourceParent) const
+    {
+        int columnIndex = mSourceModel->findColumnIndex(Columns::ColumnId_Modification);
+        QModelIndex index = mSourceModel->index(sourceRow, columnIndex);
+        if (mSourceModel->data(index).toInt() != RecordBase::State_ModifiedOnly)
+            return false;
+
+        return IdTableProxyModel::filterAcceptsRow(sourceRow, sourceParent);
+    }
+}

apps/opencs/model/world/landtexturetableproxymodel.hpp

@@ -0,0 +1,22 @@
+#ifndef CSM_WORLD_LANDTEXTURETABLEPROXYMODEL_H
+#define CSM_WORLD_LANDTEXTURETABLEPROXYMODEL_H
+
+#include "idtableproxymodel.hpp"
+
+namespace CSMWorld
+{
+    /// \brief Removes base records from filtered results.
+    class LandTextureTableProxyModel : public IdTableProxyModel
+    {
+            Q_OBJECT
+        public:
+
+            LandTextureTableProxyModel(QObject* parent = nullptr);
+
+        protected:
+
+            bool filterAcceptsRow (int sourceRow, const QModelIndex& sourceParent) const override;
+    };
+}
+
+#endif

apps/opencs/model/world/refidcollection.cpp

@@ -813,6 +813,12 @@ void CSMWorld::RefIdCollection::cloneRecord(const std::string& origin,
         mData.insertRecord(*newRecord, type, destination);
 }
 
+bool CSMWorld::RefIdCollection::touchRecord(const std::string& id)
+{
+    throw std::runtime_error("RefIdCollection::touchRecord is unimplemented");
+    return false;
+}
+
 void CSMWorld::RefIdCollection::appendRecord (const RecordBase& record,
     UniversalId::Type type)
 {

apps/opencs/model/world/refidcollection.hpp

@@ -80,6 +80,8 @@ namespace CSMWorld
                                      const std::string& destination,
                                      const UniversalId::Type type);
 
+            virtual bool touchRecord(const std::string& id);
+
             virtual void appendBlankRecord (const std::string& id, UniversalId::Type type);
             ///< \param type Will be ignored, unless the collection supports multiple record types
 

apps/opencs/model/world/universalid.cpp

@@ -53,6 +53,8 @@ namespace
         { CSMWorld::UniversalId::Class_Transient, CSMWorld::UniversalId::Type_RunLog, "Run Log", 0 },
         { CSMWorld::UniversalId::Class_RecordList, CSMWorld::UniversalId::Type_SoundGens, "Sound Generators", 0 },
         { CSMWorld::UniversalId::Class_RecordList, CSMWorld::UniversalId::Type_MagicEffects, "Magic Effects", 0 },
+        { CSMWorld::UniversalId::Class_RecordList, CSMWorld::UniversalId::Type_Lands, "Lands", 0 },
+        { CSMWorld::UniversalId::Class_RecordList, CSMWorld::UniversalId::Type_LandTextures, "LandTextures", 0 },
         { CSMWorld::UniversalId::Class_RecordList, CSMWorld::UniversalId::Type_Pathgrids, "Pathgrids", 0 },
         { CSMWorld::UniversalId::Class_RecordList, CSMWorld::UniversalId::Type_StartScripts, "Start Scripts", 0 },
         { CSMWorld::UniversalId::Class_RecordList, CSMWorld::UniversalId::Type_MetaDatas, "Meta Data Table", 0 },
@@ -118,6 +120,8 @@ namespace
         { CSMWorld::UniversalId::Class_Record, CSMWorld::UniversalId::Type_DebugProfile, "Debug Profile", 0 },
         { CSMWorld::UniversalId::Class_Record, CSMWorld::UniversalId::Type_SoundGen, "Sound Generator", 0 },
         { CSMWorld::UniversalId::Class_Record, CSMWorld::UniversalId::Type_MagicEffect, "Magic Effect", 0 },
+        { CSMWorld::UniversalId::Class_Record, CSMWorld::UniversalId::Type_Land, "Land", 0 },
+        { CSMWorld::UniversalId::Class_Record, CSMWorld::UniversalId::Type_LandTexture, "LandTexture", 0 },
         { CSMWorld::UniversalId::Class_Record, CSMWorld::UniversalId::Type_Pathgrid, "Pathgrid", 0 },
         { CSMWorld::UniversalId::Class_Record, CSMWorld::UniversalId::Type_StartScript, "Start Script", 0 },
         { CSMWorld::UniversalId::Class_Record, CSMWorld::UniversalId::Type_MetaData, "Meta Data", 0 },
@@ -364,8 +368,8 @@ std::vector<CSMWorld::UniversalId::Type> CSMWorld::UniversalId::listTypes (int c
     for (int i=0; sIndexArg[i].mName; ++i)
         if (sIndexArg[i].mClass & classes)
             list.push_back (sIndexArg[i].mType);
-            
+
-    return list;    
+    return list;
 }
 
 CSMWorld::UniversalId::Type CSMWorld::UniversalId::getParentType (Type type)

apps/opencs/model/world/universalid.hpp

@@ -126,6 +126,10 @@ namespace CSMWorld
                 Type_SoundGen,
                 Type_MagicEffects,
                 Type_MagicEffect,
+                Type_Lands,
+                Type_Land,
+                Type_LandTextures,
+                Type_LandTexture,
                 Type_Pathgrids,
                 Type_Pathgrid,
                 Type_StartScripts,

apps/opencs/view/doc/view.cpp

@@ -172,6 +172,16 @@ void CSVDoc::View::setupWorldMenu()
     setupShortcut("document-world-references", references);
     world->addAction (references);
 
+    QAction *lands = new QAction (tr ("Lands"), this);
+    connect (lands, SIGNAL (triggered()), this, SLOT (addLandsSubView()));
+    setupShortcut("document-world-lands", lands);
+    world->addAction (lands);
+
+    QAction *landTextures = new QAction (tr ("Land Textures"), this);
+    connect (landTextures, SIGNAL (triggered()), this, SLOT (addLandTexturesSubView()));
+    setupShortcut("document-world-landtextures", landTextures);
+    world->addAction (landTextures);
+
     QAction *grid = new QAction (tr ("Pathgrid"), this);
     connect (grid, SIGNAL (triggered()), this, SLOT (addPathgridSubView()));
     setupShortcut("document-world-pathgrid", grid);
@@ -876,6 +886,16 @@ void CSVDoc::View::addRunLogSubView()
     addSubView (CSMWorld::UniversalId::Type_RunLog);
 }
 
+void CSVDoc::View::addLandsSubView()
+{
+    addSubView (CSMWorld::UniversalId::Type_Lands);
+}
+
+void CSVDoc::View::addLandTexturesSubView()
+{
+    addSubView (CSMWorld::UniversalId::Type_LandTextures);
+}
+
 void CSVDoc::View::addPathgridSubView()
 {
     addSubView (CSMWorld::UniversalId::Type_Pathgrids);

apps/opencs/view/doc/view.hpp

@@ -224,6 +224,10 @@ namespace CSVDoc
 
             void addRunLogSubView();
 
+            void addLandsSubView();
+
+            void addLandTexturesSubView();
+
             void addPathgridSubView();
 
             void addStartScriptsSubView();

apps/opencs/view/render/cell.cpp

@@ -26,6 +26,33 @@
 #include "terrainstorage.hpp"
 #include "object.hpp"
 
+namespace CSVRender
+{
+    class CellNodeContainer : public osg::Referenced
+    {
+        public:
+
+            CellNodeContainer(Cell* cell) : mCell(cell) {}
+
+            Cell* getCell(){ return mCell; }
+
+        private:
+
+            Cell* mCell;
+    };
+
+    class CellNodeCallback : public osg::NodeCallback
+    {
+        public:
+
+            virtual void operator()(osg::Node* node, osg::NodeVisitor* nv)
+            {
+                CellNodeContainer* container = static_cast<CellNodeContainer*>(node->getUserData());
+                container->getCell()->updateLand();
+            }
+    };
+}
+
 bool CSVRender::Cell::removeObject (const std::string& id)
 {
     std::map<std::string, Object *>::iterator iter =
@@ -75,10 +102,69 @@ bool CSVRender::Cell::addObjects (int start, int end)
     return modified;
 }
 
+void CSVRender::Cell::updateLand()
+{
+    if (!mUpdateLand || mLandDeleted)
+        return;
+
+    mUpdateLand = false;
+
+    // Cell is deleted
+    if (mDeleted)
+    {
+        unloadLand();
+        return;
+    }
+
+    // Setup land if available
+    const CSMWorld::IdCollection<CSMWorld::Land>& land = mData.getLand();
+    int landIndex = land.searchId(mId);
+    if (landIndex != -1 && !land.getRecord(mId).isDeleted())
+    {
+        const ESM::Land& esmLand = land.getRecord(mId).get();
+
+        if (esmLand.getLandData (ESM::Land::DATA_VHGT))
+        {
+            if (mTerrain)
+            {
+                mTerrain->unloadCell(mCoordinates.getX(), mCoordinates.getY());
+                mTerrain->clearAssociatedCaches();
+            }
+            else
+            {
+                mTerrain.reset(new Terrain::TerrainGrid(mCellNode, mCellNode,
+                    mData.getResourceSystem().get(), new TerrainStorage(mData), Mask_Terrain));
+            }
+
+            mTerrain->loadCell(esmLand.mX, esmLand.mY);
+
+            if (!mCellBorder)
+                mCellBorder.reset(new CellBorder(mCellNode, mCoordinates));
+
+            mCellBorder->buildShape(esmLand);
+
+            return;
+        }
+    }
+
+    // No land data
+    mLandDeleted = true;
+    unloadLand();
+}
+
+void  CSVRender::Cell::unloadLand()
+{
+    if (mTerrain)
+        mTerrain->unloadCell(mCoordinates.getX(), mCoordinates.getY());
+
+    if (mCellBorder)
+        mCellBorder.reset();
+}
+
 CSVRender::Cell::Cell (CSMWorld::Data& data, osg::Group* rootNode, const std::string& id,
     bool deleted)
 : mData (data), mId (Misc::StringUtils::lowerCase (id)), mDeleted (deleted), mSubMode (0),
-  mSubModeElementMask (0)
+  mSubModeElementMask (0), mUpdateLand(true), mLandDeleted(false)
 {
     std::pair<CSMWorld::CellCoordinates, bool> result = CSMWorld::CellCoordinates::fromId (id);
 
@@ -86,6 +172,8 @@ CSVRender::Cell::Cell (CSMWorld::Data& data, osg::Group* rootNode, const std::st
         mCoordinates = result.first;
 
     mCellNode = new osg::Group;
+    mCellNode->setUserData(new CellNodeContainer(this));
+    mCellNode->setUpdateCallback(new CellNodeCallback);
     rootNode->addChild(mCellNode);
 
     setCellMarker();
@@ -99,22 +187,7 @@ CSVRender::Cell::Cell (CSMWorld::Data& data, osg::Group* rootNode, const std::st
 
         addObjects (0, rows-1);
 
-        const CSMWorld::IdCollection<CSMWorld::Land>& land = mData.getLand();
+        updateLand();
-        int landIndex = land.searchId(mId);
-        if (landIndex != -1)
-        {
-            const ESM::Land& esmLand = land.getRecord(mId).get();
-
-            if (esmLand.getLandData (ESM::Land::DATA_VHGT))
-            {
-                mTerrain.reset(new Terrain::TerrainGrid(mCellNode, mCellNode, data.getResourceSystem().get(), new TerrainStorage(mData), Mask_Terrain));
-                mTerrain->loadCell(esmLand.mX,
-                                   esmLand.mY);
-
-                mCellBorder.reset(new CellBorder(mCellNode, mCoordinates));
-                mCellBorder->buildShape(esmLand);
-            }
-        }
 
         mPathgrid.reset(new Pathgrid(mData, mCellNode, mId, mCoordinates));
         mCellWater.reset(new CellWater(mData, mCellNode, mId, mCoordinates));
@@ -285,6 +358,38 @@ void CSVRender::Cell::pathgridRemoved()
         mPathgrid->removeGeometry();
 }
 
+void CSVRender::Cell::landDataChanged (const QModelIndex& topLeft, const QModelIndex& bottomRight)
+{
+    mUpdateLand = true;
+}
+
+void CSVRender::Cell::landAboutToBeRemoved (const QModelIndex& parent, int start, int end)
+{
+    mLandDeleted = true;
+    unloadLand();
+}
+
+void CSVRender::Cell::landAdded (const QModelIndex& parent, int start, int end)
+{
+    mUpdateLand = true;
+    mLandDeleted = false;
+}
+
+void CSVRender::Cell::landTextureChanged (const QModelIndex& topLeft, const QModelIndex& bottomRight)
+{
+    mUpdateLand = true;
+}
+
+void CSVRender::Cell::landTextureAboutToBeRemoved (const QModelIndex& parent, int start, int end)
+{
+    mUpdateLand = true;
+}
+
+void CSVRender::Cell::landTextureAdded (const QModelIndex& parent, int start, int end)
+{
+    mUpdateLand = true;
+}
+
 void CSVRender::Cell::reloadAssets()
 {
     for (std::map<std::string, Object *>::const_iterator iter (mObjects.begin());

apps/opencs/view/render/cell.hpp

@@ -57,6 +57,7 @@ namespace CSVRender
             bool mDeleted;
             int mSubMode;
             unsigned int mSubModeElementMask;
+            bool mUpdateLand, mLandDeleted;
 
             /// Ignored if cell does not have an object with the given ID.
             ///
@@ -72,6 +73,9 @@ namespace CSVRender
             /// \return Have any objects been added?
             bool addObjects (int start, int end);
 
+            void updateLand();
+            void unloadLand();
+
         public:
 
             enum Selection
@@ -118,6 +122,18 @@ namespace CSVRender
 
             void pathgridRemoved();
 
+            void landDataChanged (const QModelIndex& topLeft, const QModelIndex& bottomRight);
+
+            void landAboutToBeRemoved (const QModelIndex& parent, int start, int end);
+
+            void landAdded (const QModelIndex& parent, int start, int end);
+
+            void landTextureChanged (const QModelIndex& topLeft, const QModelIndex& bottomRight);
+
+            void landTextureAboutToBeRemoved (const QModelIndex& parent, int start, int end);
+
+            void landTextureAdded (const QModelIndex& parent, int start, int end);
+
             void reloadAssets();
 
             void setSelection (int elementMask, Selection mode);
@@ -145,6 +161,8 @@ namespace CSVRender
             /// Erase all overrides and restore the visual representation of the cell to its
             /// true state.
             void reset (unsigned int elementMask);
+
+            friend class CellNodeCallback;
     };
 }
 

apps/opencs/view/render/pagedworldspacewidget.cpp

@@ -351,6 +351,72 @@ void CSVRender::PagedWorldspaceWidget::pathgridAdded(const QModelIndex& parent,
     }
 }
 
+void CSVRender::PagedWorldspaceWidget::landDataChanged (const QModelIndex& topLeft, const QModelIndex& bottomRight)
+{
+    for (int r = topLeft.row(); r <= bottomRight.row(); ++r)
+    {
+        std::string id = mDocument.getData().getLand().getId(r);
+
+        auto cellIt = mCells.find(CSMWorld::CellCoordinates::fromId(id).first);
+        if (cellIt != mCells.end())
+        {
+            cellIt->second->landDataChanged(topLeft, bottomRight);
+            flagAsModified();
+        }
+    }
+}
+
+void CSVRender::PagedWorldspaceWidget::landAboutToBeRemoved (const QModelIndex& parent, int start, int end)
+{
+    for (int r = start; r <= end; ++r)
+    {
+        std::string id = mDocument.getData().getLand().getId(r);
+
+        auto cellIt = mCells.find(CSMWorld::CellCoordinates::fromId(id).first);
+        if (cellIt != mCells.end())
+        {
+            cellIt->second->landAboutToBeRemoved(parent, start, end);
+            flagAsModified();
+        }
+    }
+}
+
+void CSVRender::PagedWorldspaceWidget::landAdded (const QModelIndex& parent, int start, int end)
+{
+    for (int r = start; r <= end; ++r)
+    {
+        std::string id = mDocument.getData().getLand().getId(r);
+
+        auto cellIt = mCells.find(CSMWorld::CellCoordinates::fromId(id).first);
+        if (cellIt != mCells.end())
+        {
+            cellIt->second->landAdded(parent, start, end);
+            flagAsModified();
+        }
+    }
+}
+
+void CSVRender::PagedWorldspaceWidget::landTextureDataChanged (const QModelIndex& topLeft, const QModelIndex& bottomRight)
+{
+    for (auto cellIt : mCells)
+        cellIt.second->landTextureChanged(topLeft, bottomRight);
+    flagAsModified();
+}
+
+void CSVRender::PagedWorldspaceWidget::landTextureAboutToBeRemoved (const QModelIndex& parent, int start, int end)
+{
+    for (auto cellIt : mCells)
+        cellIt.second->landTextureAboutToBeRemoved(parent, start, end);
+    flagAsModified();
+}
+
+void CSVRender::PagedWorldspaceWidget::landTextureAdded (const QModelIndex& parent, int start, int end)
+{
+    for (auto cellIt : mCells)
+        cellIt.second->landTextureAdded(parent, start, end);
+    flagAsModified();
+}
+
 
 std::string CSVRender::PagedWorldspaceWidget::getStartupInstruction()
 {
@@ -475,6 +541,24 @@ CSVRender::PagedWorldspaceWidget::PagedWorldspaceWidget (QWidget* parent, CSMDoc
     connect (&document.getData(), SIGNAL (assetTablesChanged ()),
         this, SLOT (assetTablesChanged ()));
 
+    QAbstractItemModel *lands = document.getData().getTableModel (CSMWorld::UniversalId::Type_Lands);
+
+    connect (lands, SIGNAL (dataChanged (const QModelIndex&, const QModelIndex&)),
+        this, SLOT (landDataChanged (const QModelIndex&, const QModelIndex&)));
+    connect (lands, SIGNAL (rowsAboutToBeRemoved (const QModelIndex&, int, int)),
+        this, SLOT (landAboutToBeRemoved (const QModelIndex&, int, int)));
+    connect (lands, SIGNAL (rowsInserted (const QModelIndex&, int, int)),
+        this, SLOT (landAdded (const QModelIndex&, int, int)));
+
+    QAbstractItemModel *ltexs = document.getData().getTableModel (CSMWorld::UniversalId::Type_LandTextures);
+
+    connect (ltexs, SIGNAL (dataChanged (const QModelIndex&, const QModelIndex&)),
+        this, SLOT (landTextureDataChanged (const QModelIndex&, const QModelIndex&)));
+    connect (ltexs, SIGNAL (rowsAboutToBeRemoved (const QModelIndex&, int, int)),
+        this, SLOT (landTextureAboutToBeRemoved (const QModelIndex&, int, int)));
+    connect (ltexs, SIGNAL (rowsInserted (const QModelIndex&, int, int)),
+        this, SLOT (landTextureAdded (const QModelIndex&, int, int)));
+
     // Shortcuts
     CSMPrefs::Shortcut* loadCameraCellShortcut = new CSMPrefs::Shortcut("scene-load-cam-cell", this);
     connect(loadCameraCellShortcut, SIGNAL(activated()), this, SLOT(loadCameraCell()));

apps/opencs/view/render/pagedworldspacewidget.hpp

@@ -155,6 +155,14 @@ namespace CSVRender
 
             virtual void cellAdded (const QModelIndex& index, int start, int end);
 
+            virtual void landDataChanged (const QModelIndex& topLeft, const QModelIndex& botomRight);
+            virtual void landAboutToBeRemoved (const QModelIndex& parent, int start, int end);
+            virtual void landAdded (const QModelIndex& parent, int start, int end);
+
+            virtual void landTextureDataChanged (const QModelIndex& topLeft, const QModelIndex& botomRight);
+            virtual void landTextureAboutToBeRemoved (const QModelIndex& parent, int start, int end);
+            virtual void landTextureAdded (const QModelIndex& parent, int start, int end);
+
             void assetTablesChanged ();
 
             void loadCameraCell();

apps/opencs/view/render/terrainstorage.cpp

@@ -1,5 +1,8 @@
 #include "terrainstorage.hpp"
 
+#include "../../model/world/land.hpp"
+#include "../../model/world/landtexture.hpp"
+
 namespace CSVRender
 {
 
@@ -11,12 +14,9 @@ namespace CSVRender
 
     osg::ref_ptr<const ESMTerrain::LandObject> TerrainStorage::getLand(int cellX, int cellY)
     {
-        std::ostringstream stream;
-        stream << "#" << cellX << " " << cellY;
-
         // The cell isn't guaranteed to have Land. This is because the terrain implementation
         // has to wrap the vertices of the last row and column to the next cell, which may be a nonexisting cell
-        int index = mData.getLand().searchId(stream.str());
+        int index = mData.getLand().searchId(CSMWorld::Land::createUniqueRecordId(cellX, cellY));
         if (index == -1)
             return NULL;
 
@@ -26,16 +26,11 @@ namespace CSVRender
 
     const ESM::LandTexture* TerrainStorage::getLandTexture(int index, short plugin)
     {
-        int numRecords = mData.getLandTextures().getSize();
+        int row = mData.getLandTextures().searchId(CSMWorld::LandTexture::createUniqueRecordId(plugin, index));
-
+        if (row == -1)
-        for (int i=0; i<numRecords; ++i)
+            return nullptr;
-        {
-            const CSMWorld::LandTexture* ltex = &mData.getLandTextures().getRecord(i).get();
-            if (ltex->mIndex == index && ltex->mPluginIndex == plugin)
-                return ltex;
-        }
 
-        return NULL;
+        return &mData.getLandTextures().getRecord(row).get();
     }
 
     void TerrainStorage::getBounds(float &minX, float &maxX, float &minY, float &maxY)

apps/opencs/view/world/creator.hpp

@@ -31,6 +31,9 @@ namespace CSVWorld
             virtual void cloneMode(const std::string& originId,
                                    const CSMWorld::UniversalId::Type type) = 0;
 
+            /// Touches a record, if the creator supports it.
+            virtual void touch(const std::vector<CSMWorld::UniversalId>& ids) = 0;
+
             virtual void setEditLock (bool locked) = 0;
 
             virtual void toggleWidgets(bool active = true) = 0;

apps/opencs/view/world/genericcreator.cpp

@@ -51,6 +51,11 @@ std::string CSVWorld::GenericCreator::getId() const
     return mId->text().toUtf8().constData();
 }
 
+std::string CSVWorld::GenericCreator::getClonedId() const
+{
+    return mClonedId;
+}
+
 std::string CSVWorld::GenericCreator::getIdValidatorResult() const
 {
     std::string errors;
@@ -254,6 +259,22 @@ void CSVWorld::GenericCreator::cloneMode(const std::string& originId,
     mClonedType = type;
 }
 
+void CSVWorld::GenericCreator::touch(const std::vector<CSMWorld::UniversalId>& ids)
+{
+    // Combine multiple touch commands into one "macro" command
+    mUndoStack.beginMacro("Touch Records");
+
+    CSMWorld::IdTable& table = dynamic_cast<CSMWorld::IdTable&>(*mData.getTableModel(mListId));
+    for (const CSMWorld::UniversalId& uid : ids)
+    {
+        CSMWorld::TouchCommand* touchCmd = new CSMWorld::TouchCommand(table, uid.getId());
+        mUndoStack.push(touchCmd);
+    }
+
+    // Execute
+    mUndoStack.endMacro();
+}
+
 void CSVWorld::GenericCreator::toggleWidgets(bool active)
 {
 }

apps/opencs/view/world/genericcreator.hpp

@@ -64,6 +64,8 @@ namespace CSVWorld
 
             virtual std::string getId() const;
 
+            std::string getClonedId() const;
+
             virtual std::string getIdValidatorResult() const;
 
             /// Allow subclasses to add additional data to \a command.
@@ -103,6 +105,8 @@ namespace CSVWorld
             virtual void cloneMode(const std::string& originId,
                                    const CSMWorld::UniversalId::Type type);
 
+            virtual void touch(const std::vector<CSMWorld::UniversalId>& ids);
+
             virtual std::string getErrors() const;
             ///< Return formatted error descriptions for the current state of the creator. if an empty
             /// string is returned, there is no error.

apps/opencs/view/world/landcreator.cpp

@@ -0,0 +1,120 @@
+#include "landcreator.hpp"
+
+#include <limits>
+
+#include <QLabel>
+#include <QSpinBox>
+
+#include "../../model/world/commands.hpp"
+#include "../../model/world/idtable.hpp"
+#include "../../model/world/land.hpp"
+
+namespace CSVWorld
+{
+    LandCreator::LandCreator(CSMWorld::Data& data, QUndoStack& undoStack, const CSMWorld::UniversalId& id)
+        : GenericCreator(data, undoStack, id)
+        , mXLabel(nullptr)
+        , mYLabel(nullptr)
+        , mX(nullptr)
+        , mY(nullptr)
+    {
+        const int MaxInt = std::numeric_limits<int>::max();
+        const int MinInt = std::numeric_limits<int>::min();
+
+        setManualEditing(false);
+
+        mXLabel = new QLabel("X: ");
+        mX = new QSpinBox();
+        mX->setMinimum(MinInt);
+        mX->setMaximum(MaxInt);
+        insertBeforeButtons(mXLabel, false);
+        insertBeforeButtons(mX, true);
+
+        mYLabel = new QLabel("Y: ");
+        mY = new QSpinBox();
+        mY->setMinimum(MinInt);
+        mY->setMaximum(MaxInt);
+        insertBeforeButtons(mYLabel, false);
+        insertBeforeButtons(mY, true);
+
+        connect (mX, SIGNAL(valueChanged(int)), this, SLOT(coordChanged(int)));
+        connect (mY, SIGNAL(valueChanged(int)), this, SLOT(coordChanged(int)));
+    }
+
+    void LandCreator::cloneMode(const std::string& originId, const CSMWorld::UniversalId::Type type)
+    {
+        GenericCreator::cloneMode(originId, type);
+
+        int x = 0, y = 0;
+        CSMWorld::Land::parseUniqueRecordId(originId, x, y);
+
+        mX->setValue(x);
+        mY->setValue(y);
+    }
+
+    void LandCreator::touch(const std::vector<CSMWorld::UniversalId>& ids)
+    {
+        // Combine multiple touch commands into one "macro" command
+        getUndoStack().beginMacro("Touch records");
+
+        CSMWorld::IdTable& lands = dynamic_cast<CSMWorld::IdTable&>(*getData().getTableModel(CSMWorld::UniversalId::Type_Lands));
+        CSMWorld::IdTable& ltexs = dynamic_cast<CSMWorld::IdTable&>(*getData().getTableModel(CSMWorld::UniversalId::Type_LandTextures));
+        for (const CSMWorld::UniversalId& uid : ids)
+        {
+            CSMWorld::TouchLandCommand* touchCmd = new CSMWorld::TouchLandCommand(lands, ltexs, uid.getId());
+            getUndoStack().push(touchCmd);
+        }
+
+        // Execute
+        getUndoStack().endMacro();
+    }
+
+    void LandCreator::focus()
+    {
+        mX->setFocus();
+    }
+
+    void LandCreator::reset()
+    {
+        GenericCreator::reset();
+        mX->setValue(0);
+        mY->setValue(0);
+    }
+
+    std::string LandCreator::getErrors() const
+    {
+        if (getData().getLand().searchId(getId()) >= 0)
+            return "A land with that name already exists.";
+
+        return "";
+    }
+
+    std::string LandCreator::getId() const
+    {
+        return CSMWorld::Land::createUniqueRecordId(mX->value(), mY->value());
+    }
+
+    void LandCreator::pushCommand(std::unique_ptr<CSMWorld::CreateCommand> command, const std::string& id)
+    {
+        if (mCloneMode)
+        {
+            CSMWorld::IdTable& lands = dynamic_cast<CSMWorld::IdTable&>(*getData().getTableModel(CSMWorld::UniversalId::Type_Lands));
+            CSMWorld::IdTable& ltexs = dynamic_cast<CSMWorld::IdTable&>(*getData().getTableModel(CSMWorld::UniversalId::Type_LandTextures));
+
+            getUndoStack().beginMacro(("Clone " + id).c_str());
+            getUndoStack().push(command.release());
+
+            CSMWorld::CopyLandTexturesCommand* ltexCopy = new CSMWorld::CopyLandTexturesCommand(lands, ltexs, getClonedId(), getId());
+            getUndoStack().push(ltexCopy);
+
+            getUndoStack().endMacro();
+        }
+        else
+            getUndoStack().push (command.release());
+    }
+
+    void LandCreator::coordChanged(int value)
+    {
+        update();
+    }
+}

apps/opencs/view/world/landcreator.hpp

@@ -0,0 +1,47 @@
+#ifndef CSV_WORLD_LANDCREATOR_H
+#define CSV_WORLD_LANDCREATOR_H
+
+#include "genericcreator.hpp"
+
+class QLabel;
+class QSpinBox;
+
+namespace CSVWorld
+{
+    class LandCreator : public GenericCreator
+    {
+            Q_OBJECT
+
+            QLabel* mXLabel;
+            QLabel* mYLabel;
+            QSpinBox* mX;
+            QSpinBox* mY;
+
+        public:
+
+            LandCreator(CSMWorld::Data& data, QUndoStack& undoStack, const CSMWorld::UniversalId& id);
+
+            void cloneMode(const std::string& originId, const CSMWorld::UniversalId::Type type) override;
+
+            void touch(const std::vector<CSMWorld::UniversalId>& ids) override;
+
+            void focus() override;
+
+            void reset() override;
+
+            std::string getErrors() const override;
+
+        protected:
+
+            std::string getId() const override;
+
+            void pushCommand(std::unique_ptr<CSMWorld::CreateCommand> command,
+                const std::string& id) override;
+
+        private slots:
+
+            void coordChanged(int value);
+    };
+}
+
+#endif

apps/opencs/view/world/landtexturecreator.cpp

@@ -0,0 +1,101 @@
+#include "landtexturecreator.hpp"
+
+#include <cstdint>
+#include <limits>
+
+#include <QLabel>
+#include <QLineEdit>
+#include <QSpinBox>
+
+#include "../../model/world/commands.hpp"
+#include "../../model/world/idtable.hpp"
+#include "../../model/world/landtexture.hpp"
+
+namespace CSVWorld
+{
+    LandTextureCreator::LandTextureCreator(CSMWorld::Data& data, QUndoStack& undoStack, const CSMWorld::UniversalId& id)
+        : GenericCreator(data, undoStack, id)
+    {
+        // One index is reserved for a default texture
+        const size_t MaxIndex = std::numeric_limits<uint16_t>::max() - 1;
+
+        setManualEditing(false);
+
+        QLabel* nameLabel = new QLabel("Name");
+        insertBeforeButtons(nameLabel, false);
+
+        mNameEdit = new QLineEdit(this);
+        insertBeforeButtons(mNameEdit, true);
+
+        QLabel* indexLabel = new QLabel("Index");
+        insertBeforeButtons(indexLabel, false);
+
+        mIndexBox = new QSpinBox(this);
+        mIndexBox->setMinimum(0);
+        mIndexBox->setMaximum(MaxIndex);
+        insertBeforeButtons(mIndexBox, true);
+
+        connect(mNameEdit, SIGNAL(textChanged(const QString&)), this, SLOT(nameChanged(const QString&)));
+        connect(mIndexBox, SIGNAL(valueChanged(int)), this, SLOT(indexChanged(int)));
+    }
+
+    void LandTextureCreator::cloneMode(const std::string& originId, const CSMWorld::UniversalId::Type type)
+    {
+        GenericCreator::cloneMode(originId, type);
+
+        CSMWorld::IdTable& table = dynamic_cast<CSMWorld::IdTable&>(*getData().getTableModel(getCollectionId()));
+
+        int column = table.findColumnIndex(CSMWorld::Columns::ColumnId_TextureNickname);
+        mNameEdit->setText((table.data(table.getModelIndex(originId, column)).toString()));
+
+        column = table.findColumnIndex(CSMWorld::Columns::ColumnId_TextureIndex);
+        mIndexBox->setValue((table.data(table.getModelIndex(originId, column)).toInt()));
+    }
+
+    void LandTextureCreator::focus()
+    {
+        mIndexBox->setFocus();
+    }
+
+    void LandTextureCreator::reset()
+    {
+        GenericCreator::reset();
+        mNameEdit->setText("");
+        mIndexBox->setValue(0);
+    }
+
+    std::string LandTextureCreator::getErrors() const
+    {
+        if (getData().getLandTextures().searchId(getId()) >= 0)
+        {
+            return "Index is already in use";
+        }
+
+        return "";
+    }
+
+    void LandTextureCreator::configureCreateCommand(CSMWorld::CreateCommand& command) const
+    {
+        GenericCreator::configureCreateCommand(command);
+
+        CSMWorld::IdTable& table = dynamic_cast<CSMWorld::IdTable&>(*getData().getTableModel(getCollectionId()));
+        int column = table.findColumnIndex(CSMWorld::Columns::ColumnId_TextureNickname);
+        command.addValue(column, mName.c_str());
+    }
+
+    std::string LandTextureCreator::getId() const
+    {
+        return CSMWorld::LandTexture::createUniqueRecordId(0, mIndexBox->value());
+    }
+
+    void LandTextureCreator::nameChanged(const QString& value)
+    {
+        mName = value.toUtf8().constData();
+        update();
+    }
+
+    void LandTextureCreator::indexChanged(int value)
+    {
+        update();
+    }
+}

apps/opencs/view/world/landtexturecreator.hpp

@@ -0,0 +1,49 @@
+#ifndef CSV_WORLD_LANDTEXTURECREATOR_H
+#define CSV_WORLD_LANDTEXTURECREATOR_H
+
+#include <string>
+
+#include "genericcreator.hpp"
+
+class QLineEdit;
+class QSpinBox;
+
+namespace CSVWorld
+{
+    class LandTextureCreator : public GenericCreator
+    {
+            Q_OBJECT
+
+        public:
+
+            LandTextureCreator(CSMWorld::Data& data, QUndoStack& undoStack, const CSMWorld::UniversalId& id);
+
+            void cloneMode(const std::string& originId, const CSMWorld::UniversalId::Type type) override;
+
+            void focus() override;
+
+            void reset() override;
+
+            std::string getErrors() const override;
+
+        protected:
+
+            void configureCreateCommand(CSMWorld::CreateCommand& command) const override;
+
+            std::string getId() const override;
+
+        private slots:
+
+            void nameChanged(const QString& val);
+            void indexChanged(int val);
+
+        private:
+
+            QLineEdit* mNameEdit;
+            QSpinBox* mIndexBox;
+
+            std::string mName;
+    };
+}
+
+#endif

apps/opencs/view/world/subviews.cpp

@@ -18,6 +18,8 @@
 #include "pathgridcreator.hpp"
 #include "previewsubview.hpp"
 #include "bodypartcreator.hpp"
+#include "landcreator.hpp"
+#include "landtexturecreator.hpp"
 
 void CSVWorld::addSubViewFactories (CSVDoc::SubViewFactoryManager& manager)
 {
@@ -81,6 +83,12 @@ void CSVWorld::addSubViewFactories (CSVDoc::SubViewFactoryManager& manager)
     manager.add (CSMWorld::UniversalId::Type_Pathgrids,
         new CSVDoc::SubViewFactoryWithCreator<TableSubView, PathgridCreatorFactory>);
 
+    manager.add (CSMWorld::UniversalId::Type_Lands,
+        new CSVDoc::SubViewFactoryWithCreator<TableSubView, CreatorFactory<LandCreator> >);
+
+    manager.add (CSMWorld::UniversalId::Type_LandTextures,
+        new CSVDoc::SubViewFactoryWithCreator<TableSubView, CreatorFactory<LandTextureCreator> >);
+
     manager.add (CSMWorld::UniversalId::Type_Globals,
         new CSVDoc::SubViewFactoryWithCreator<TableSubView, CreatorFactory<GlobalCreator> >);
 
@@ -181,6 +189,12 @@ void CSVWorld::addSubViewFactories (CSVDoc::SubViewFactoryManager& manager)
     manager.add (CSMWorld::UniversalId::Type_Pathgrid,
         new CSVDoc::SubViewFactoryWithCreator<DialogueSubView, PathgridCreatorFactory> (false));
 
+    manager.add (CSMWorld::UniversalId::Type_Land,
+        new CSVDoc::SubViewFactoryWithCreator<DialogueSubView, CreatorFactory<LandCreator> >(false));
+
+    manager.add (CSMWorld::UniversalId::Type_LandTexture,
+        new CSVDoc::SubViewFactoryWithCreator<DialogueSubView, CreatorFactory<LandTextureCreator> >(false));
+
     manager.add (CSMWorld::UniversalId::Type_DebugProfile,
         new CSVDoc::SubViewFactoryWithCreator<DialogueSubView, CreatorFactory<GenericCreator, CSMWorld::Scope_Project | CSMWorld::Scope_Session> > (false));
 

apps/opencs/view/world/table.cpp

@@ -16,6 +16,7 @@
 #include "../../model/world/idtableproxymodel.hpp"
 #include "../../model/world/idtablebase.hpp"
 #include "../../model/world/idtable.hpp"
+#include "../../model/world/landtexturetableproxymodel.hpp"
 #include "../../model/world/record.hpp"
 #include "../../model/world/columns.hpp"
 #include "../../model/world/commanddispatcher.hpp"
@@ -60,6 +61,9 @@ void CSVWorld::Table::contextMenuEvent (QContextMenuEvent *event)
                 menu.addAction(mCloneAction);
         }
 
+        if (mTouchAction)
+            menu.addAction (mTouchAction);
+
         if (mCreateAction)
             menu.addAction (mCreateAction);
 
@@ -226,17 +230,22 @@ void CSVWorld::Table::mouseDoubleClickEvent (QMouseEvent *event)
 
 CSVWorld::Table::Table (const CSMWorld::UniversalId& id,
     bool createAndDelete, bool sorting, CSMDoc::Document& document)
-: DragRecordTable(document), mCreateAction (0),
+    : DragRecordTable(document), mCreateAction (nullptr), mCloneAction(nullptr), mTouchAction(nullptr),
-  mCloneAction(0), mRecordStatusDisplay (0), mJumpToAddedRecord(false), mUnselectAfterJump(false)
+    mRecordStatusDisplay (0), mJumpToAddedRecord(false), mUnselectAfterJump(false)
 {
     mModel = &dynamic_cast<CSMWorld::IdTableBase&> (*mDocument.getData().getTableModel (id));
 
     bool isInfoTable = id.getType() == CSMWorld::UniversalId::Type_TopicInfos ||
                        id.getType() == CSMWorld::UniversalId::Type_JournalInfos;
+    bool isLtexTable = (id.getType() == CSMWorld::UniversalId::Type_LandTextures);
     if (isInfoTable)
     {
         mProxyModel = new CSMWorld::InfoTableProxyModel(id.getType(), this);
     }
+    else if (isLtexTable)
+    {
+        mProxyModel = new CSMWorld::LandTextureTableProxyModel (this);
+    }
     else
     {
         mProxyModel = new CSMWorld::IdTableProxyModel (this);
@@ -302,6 +311,15 @@ CSVWorld::Table::Table (const CSMWorld::UniversalId& id,
         cloneShortcut->associateAction(mCloneAction);
     }
 
+    if (mModel->getFeatures() & CSMWorld::IdTableBase::Feature_AllowTouch)
+    {
+        mTouchAction = new QAction(tr("Touch Record"), this);
+        connect(mTouchAction, SIGNAL(triggered()), this, SLOT(touchRecord()));
+        addAction(mTouchAction);
+        CSMPrefs::Shortcut* touchShortcut = new CSMPrefs::Shortcut("table-touch", this);
+        touchShortcut->associateAction(mTouchAction);
+    }
+
     mRevertAction = new QAction (tr ("Revert Record"), this);
     connect (mRevertAction, SIGNAL (triggered()), mDispatcher, SLOT (executeRevert()));
     addAction (mRevertAction);
@@ -442,6 +460,22 @@ void CSVWorld::Table::cloneRecord()
     }
 }
 
+void CSVWorld::Table::touchRecord()
+{
+    if (!mEditLock && mModel->getFeatures() & CSMWorld::IdTableBase::Feature_AllowTouch)
+    {
+        std::vector<CSMWorld::UniversalId> touchIds;
+
+        QModelIndexList selectedRows = selectionModel()->selectedRows();
+        for (auto it = selectedRows.begin(); it != selectedRows.end(); ++it)
+        {
+            touchIds.push_back(getUniversalId(it->row()));
+        }
+
+        emit touchRequest(touchIds);
+    }
+}
+
 void CSVWorld::Table::moveUpRecord()
 {
     if (mEditLock || (mModel->getFeatures() & CSMWorld::IdTableBase::Feature_Constant))

apps/opencs/view/world/table.hpp

@@ -56,6 +56,7 @@ namespace CSVWorld
             QAction *mEditAction;
             QAction *mCreateAction;
             QAction *mCloneAction;
+            QAction *mTouchAction;
             QAction *mRevertAction;
             QAction *mDeleteAction;
             QAction *mMoveUpAction;
@@ -115,6 +116,8 @@ namespace CSVWorld
 
             void cloneRequest(const CSMWorld::UniversalId&);
 
+            void touchRequest(const std::vector<CSMWorld::UniversalId>& ids);
+
             void closeRequest();
 
             void extendedDeleteConfigRequest(const std::vector<std::string> &selectedIds);
@@ -129,6 +132,8 @@ namespace CSVWorld
 
             void cloneRecord();
 
+            void touchRecord();
+
             void moveUpRecord();
 
             void moveDownRecord();

apps/opencs/view/world/tablebottombox.cpp

@@ -72,9 +72,9 @@ void CSVWorld::TableBottomBox::extendedConfigRequest(CSVWorld::ExtendedCommandCo
     mExtendedConfigurator->setFocus();
 }
 
-CSVWorld::TableBottomBox::TableBottomBox (const CreatorFactoryBase& creatorFactory, 
+CSVWorld::TableBottomBox::TableBottomBox (const CreatorFactoryBase& creatorFactory,
-                                          CSMDoc::Document& document, 
+                                          CSMDoc::Document& document,
-                                          const CSMWorld::UniversalId& id, 
+                                          const CSMWorld::UniversalId& id,
                                           QWidget *parent)
 : QWidget (parent), mShowStatusBar (false), mEditMode(EditMode_None), mHasPosition(false), mRow(0), mColumn(0)
 {
@@ -249,6 +249,11 @@ void CSVWorld::TableBottomBox::cloneRequest(const std::string& id,
     mCreator->focus();
 }
 
+void CSVWorld::TableBottomBox::touchRequest(const std::vector<CSMWorld::UniversalId>& ids)
+{
+    mCreator->touch(ids);
+}
+
 void CSVWorld::TableBottomBox::extendedDeleteConfigRequest(const std::vector<std::string> &selectedIds)
 {
     extendedConfigRequest(ExtendedCommandConfigurator::Mode_Delete, selectedIds);

apps/opencs/view/world/tablebottombox.hpp

@@ -102,6 +102,7 @@ namespace CSVWorld
             void createRequest();
             void cloneRequest(const std::string& id,
                               const CSMWorld::UniversalId::Type type);
+            void touchRequest(const std::vector<CSMWorld::UniversalId>&);
 
             void extendedDeleteConfigRequest(const std::vector<std::string> &selectedIds);
             void extendedRevertConfigRequest(const std::vector<std::string> &selectedIds);

apps/opencs/view/world/tablesubview.cpp

@@ -69,6 +69,9 @@ CSVWorld::TableSubView::TableSubView (const CSMWorld::UniversalId& id, CSMDoc::D
         connect (this, SIGNAL(cloneRequest(const std::string&, const CSMWorld::UniversalId::Type)),
                 mBottom, SLOT(cloneRequest(const std::string&, const CSMWorld::UniversalId::Type)));
 
+        connect (mTable, SIGNAL(touchRequest(const std::vector<CSMWorld::UniversalId>&)),
+            mBottom, SLOT(touchRequest(const std::vector<CSMWorld::UniversalId>&)));
+
         connect (mTable, SIGNAL(extendedDeleteConfigRequest(const std::vector<std::string> &)),
             mBottom, SLOT(extendedDeleteConfigRequest(const std::vector<std::string> &)));
         connect (mTable, SIGNAL(extendedRevertConfigRequest(const std::vector<std::string> &)),

components/esm/loadland.cpp

@@ -175,6 +175,45 @@ namespace ESM
 
     }
 
+    void Land::blank()
+    {
+        mPlugin = 0;
+
+        for (int i = 0; i < LAND_GLOBAL_MAP_LOD_SIZE; ++i)
+            mWnam[0] = 0;
+
+        if (!mLandData)
+            mLandData = new LandData;
+
+        mLandData->mHeightOffset = 0;
+        for (int i = 0; i < LAND_NUM_VERTS; ++i)
+            mLandData->mHeights[i] = 0;
+        mLandData->mMinHeight = 0;
+        mLandData->mMaxHeight = 0;
+        for (int i = 0; i < LAND_NUM_VERTS; ++i)
+        {
+            mLandData->mNormals[i*3+0] = 0;
+            mLandData->mNormals[i*3+1] = 0;
+            mLandData->mNormals[i*3+2] = 127;
+        }
+        for (int i = 0; i < LAND_NUM_TEXTURES; ++i)
+            mLandData->mTextures[i] = 0;
+        for (int i = 0; i < LAND_NUM_VERTS; ++i)
+        {
+            mLandData->mColours[i*3+0] = -1;
+            mLandData->mColours[i*3+1] = -1;
+            mLandData->mColours[i*3+2] = -1;
+        }
+        mLandData->mUnk1 = 0;
+        mLandData->mUnk2 = 0;
+        mLandData->mDataLoaded = Land::DATA_VNML | Land::DATA_VHGT | Land::DATA_WNAM |
+            Land::DATA_VCLR | Land::DATA_VTEX;
+        mDataTypes = mLandData->mDataLoaded;
+
+        // No file associated with the land now
+        mContext.filename.clear();
+    }
+
     void Land::loadData(int flags, LandData* target) const
     {
         // Create storage if nothing is loaded
@@ -193,6 +232,16 @@ namespace ESM
             return;
         }
 
+        // Copy data to target if no file
+        if (mContext.filename.empty())
+        {
+            // Make sure there is data, and that it doesn't point to the same object.
+            if (mLandData && mLandData != target)
+                *target = *mLandData;
+
+            return;
+        }
+
         ESM::ESMReader reader;
         reader.restoreContext(mContext);
 
@@ -269,6 +318,15 @@ namespace ESM
         return mLandData && (mLandData->mDataLoaded & flags) == (flags & mDataTypes);
     }
 
+    void Land::setDataLoaded(int flags)
+    {
+        if (!mLandData)
+            mLandData = new LandData;
+
+        mDataTypes |= flags;
+        mLandData->mDataLoaded |= flags;
+    }
+
     Land::Land (const Land& land)
     : mFlags (land.mFlags), mX (land.mX), mY (land.mY), mPlugin (land.mPlugin),
       mContext (land.mContext), mDataTypes (land.mDataTypes),

components/esm/loadland.hpp

@@ -31,6 +31,8 @@ struct Land
 
     // File context. This allows the ESM reader to be 'reset' to this
     // location later when we are ready to load the full data set.
+    // In the editor, there may not be a file associated with the Land,
+    // in which case the filename will be empty.
     ESM_Context mContext;
 
     int mDataTypes;
@@ -64,6 +66,8 @@ struct Land
     //total number of textures per land
     static const int LAND_NUM_TEXTURES = LAND_TEXTURE_SIZE * LAND_TEXTURE_SIZE;
 
+    static const int LAND_GLOBAL_MAP_LOD_SIZE = 81;
+
 #pragma pack(push,1)
     struct VHGT
     {
@@ -109,12 +113,12 @@ struct Land
     };
 
     // low-LOD heightmap (used for rendering the global map)
-    signed char mWnam[81];
+    signed char mWnam[LAND_GLOBAL_MAP_LOD_SIZE];
 
     void load(ESMReader &esm, bool &isDeleted);
     void save(ESMWriter &esm, bool isDeleted = false) const;
 
-    void blank() {}
+    void blank();
 
     /**
      * Actually loads data into target
@@ -131,6 +135,9 @@ struct Land
     /// @note We only check data types that *can* be loaded (present in mDataTypes)
     bool isDataLoaded(int flags) const;
 
+    /// Sets the flags and creates a LandData if needed
+    void setDataLoaded(int flags);
+
         Land (const Land& land);
 
         Land& operator= (Land land);

components/esm/loadltex.cpp

@@ -59,7 +59,7 @@ namespace ESM
 
     void LandTexture::blank()
     {
+        mId.clear();
         mTexture.clear();
-        mIndex = -1;
     }
 }

components/esm/loadltex.hpp

@@ -31,14 +31,15 @@ struct LandTexture
     /// Return a string descriptor for this record type. Currently used for debugging / error logs only.
     static std::string getRecordType() { return "LandTexture"; }
 
+    // mId is merely a user friendly name for the texture in the editor.
     std::string mId, mTexture;
     int mIndex;
 
     void load(ESMReader &esm, bool &isDeleted);
     void save(ESMWriter &esm, bool isDeleted = false) const;
 
+    /// Sets the record to the default state. Does not touch the index. Does touch mID.
     void blank();
-    ///< Set record to default state (does not touch the ID).
 };
 }
 #endif

components/terrain/world.cpp

@@ -75,4 +75,9 @@ void World::updateTextureFiltering()
     mTextureManager->updateTextureFiltering();
 }
 
+void World::clearAssociatedCaches()
+{
+    mChunkManager->clearCache();
+}
+
 }

components/terrain/world.hpp

@@ -63,6 +63,10 @@ namespace Terrain
 
         float getHeightAt (const osg::Vec3f& worldPos);
 
+        /// Clears the cached land and landtexture data.
+        /// @note Thread safe.
+        virtual void clearAssociatedCaches();
+
         /// Load a terrain cell at maximum LOD and store it in the View for later use.
         /// @note Thread safe.
         virtual void cacheCell(View* view, int x, int y) {}