added filter record (will not be used in OpenMW prior to 1.1)

components/CMakeLists.txt

@@ -39,7 +39,7 @@ add_component_dir (esm
     loadclas loadclot loadcont loadcrea loadcrec loaddial loaddoor loadench loadfact loadglob loadgmst
     loadinfo loadingr loadland loadlevlist loadligh loadlock loadprob loadrepa loadltex loadmgef loadmisc loadnpcc
     loadnpc loadpgrd loadrace loadregn loadscpt loadskil loadsndg loadsoun loadspel loadsscr loadstat
-    loadweap records aipackage effectlist spelllist variant variantimp loadtes3 cellref
+    loadweap records aipackage effectlist spelllist variant variantimp loadtes3 cellref filter
     )
 
 add_component_dir (misc

components/esm/filter.cpp

@@ -0,0 +1,20 @@
+
+#include "filter.hpp"
+
+#include "esmreader.hpp"
+#include "esmwriter.hpp"
+
+void ESM::Filter::load (ESMReader& esm)
+{
+    mFilter = esm.getHNString ("FILT");
+}
+
+void ESM::Filter::save (ESMWriter& esm)
+{
+    esm.writeHNCString ("FILT", mFilter);
+}
+
+void ESM::Filter::blank()
+{
+    mFilter.clear();
+}

components/esm/filter.hpp

@@ -0,0 +1,25 @@
+#ifndef COMPONENTS_ESM_FILTER_H
+#define COMPONENTS_ESM_FILTER_H
+
+#include <string>
+
+namespace ESM
+{
+    class ESMReader;
+    class ESMWriter;
+
+    struct Filter
+    {
+        std::string mId;
+
+        std::string mFilter;
+
+        void load (ESMReader& esm);
+        void save (ESMWriter& esm);
+
+        void blank();
+        ///< Set record to default state (does not touch the ID).
+    };
+}
+
+#endif