diff --git a/apps/openmw/mwdialogue/dialoguemanager.cpp b/apps/openmw/mwdialogue/dialoguemanager.cpp
index 941c760e7..4f9cf602f 100644
--- a/apps/openmw/mwdialogue/dialoguemanager.cpp
+++ b/apps/openmw/mwdialogue/dialoguemanager.cpp
@@ -1,7 +1,6 @@
 
 #include "dialoguemanager.hpp"
 
-#include <components/esm/loadinfo.hpp>
 #include <components/esm/loaddial.hpp>
 
 #include <components/esm_store/store.hpp>
@@ -9,11 +8,110 @@
 #include "../mwworld/class.hpp"
 #include "../mwworld/environment.hpp"
 #include "../mwworld/world.hpp"
+#include "../mwworld/refdata.hpp"
 
 #include <iostream>
 
+namespace
+{
+    template<typename T1, typename T2>
+    bool selectCompare (char comp, T1 value1, T2 value2)
+    {
+        switch (comp)
+        {
+            case '0': return value1==value2;
+            case '1': return value1!=value2;
+            case '2': return value1>value2;
+            case '3': return value1>=value2;
+            case '4': return value1<value2;
+            case '5': return value1<=value2;
+        }
+
+        throw std::runtime_error ("unknown compare type in dialogue info select");
+    }
+
+    template<typename T>
+    bool checkLocal (char comp, const std::string& name, T value, const MWWorld::Ptr& actor,
+        const ESMS::ESMStore& store)
+    {
+        std::string scriptName = MWWorld::Class::get (actor).getScript (actor);
+
+        if (scriptName.empty())
+            return false; // no script
+
+        const ESM::Script *script = store.scripts.find (scriptName);
+
+        int i = 0;
+
+        for (; i<static_cast<int> (script->varNames.size()); ++i)
+            if (script->varNames[i]==name)
+                break;
+
+        if (i>=static_cast<int> (script->varNames.size()))
+            return false; // script does not have a variable of this name
+
+        const MWScript::Locals& locals = actor.getRefData().getLocals();
+
+        if (i<script->data.numShorts)
+            return selectCompare (comp, locals.mShorts[i], value);
+        else
+            i -= script->data.numShorts;
+
+        if (i<script->data.numLongs)
+            return selectCompare (comp, locals.mLongs[i], value);
+        else
+            i -= script->data.numShorts;
+
+        return selectCompare (comp, locals.mFloats.at (i), value);
+    }
+}
+
 namespace MWDialogue
 {
+    bool DialogueManager::isMatching (const MWWorld::Ptr& actor,
+        const ESM::DialInfo::SelectStruct& select) const
+    {
+        char type = select.selectRule[1];
+
+        if (type!='0')
+        {
+            char comp = select.selectRule[4];
+            std::string name = select.selectRule.substr (5);
+
+            // TODO types 1, 2, 4, 5, 6, 7, 8, 9, A, B, C
+
+            switch (type)
+            {
+                case '3': // local
+
+                    if (select.type==ESM::VT_Short || select.type==ESM::VT_Int ||
+                        select.type==ESM::VT_Long)
+                    {
+                        if (!checkLocal (comp, name, select.i, actor,
+                            mEnvironment.mWorld->getStore()))
+                            return false;
+                    }
+                    else if (select.type==ESM::VT_Float)
+                    {
+                        if (!checkLocal (comp, name, select.f, actor,
+                            mEnvironment.mWorld->getStore()))
+                            return false;
+                    }
+                    else
+                        throw std::runtime_error (
+                            "unsupported variable type in dialogue info select");
+
+                    return true;
+
+                default:
+
+                    std::cout << "unchecked select: " << type << " " << comp << " " << name << std::endl;
+            }
+        }
+
+        return true;
+    }
+
     bool DialogueManager::isMatching (const MWWorld::Ptr& actor, const ESM::DialInfo& info) const
     {
         // TODO check actor id
@@ -28,7 +126,11 @@ namespace MWDialogue
                 return false;
 
         // TODO check DATAstruct
-        // TODO check select structures
+
+        for (std::vector<ESM::DialInfo::SelectStruct>::const_iterator iter (info.selects.begin());
+            iter != info.selects.end(); ++iter)
+            if (!isMatching (actor, *iter))
+                return false;
 
         std::cout
             << "unchecked entries:" << std::endl
@@ -39,10 +141,6 @@ namespace MWDialogue
             << "    player faction: " << info.pcFaction << std::endl
             << "    DATAstruct" << std::endl;
 
-        for (std::vector<ESM::DialInfo::SelectStruct>::const_iterator iter (info.selects.begin());
-            iter != info.selects.end(); ++iter)
-            std::cout << "    select: " << iter->selectRule << std::endl;
-
         return true;
     }
 
diff --git a/apps/openmw/mwdialogue/dialoguemanager.hpp b/apps/openmw/mwdialogue/dialoguemanager.hpp
index d51570b11..5b6b26240 100644
--- a/apps/openmw/mwdialogue/dialoguemanager.hpp
+++ b/apps/openmw/mwdialogue/dialoguemanager.hpp
@@ -1,12 +1,9 @@
 #ifndef GAME_MMDIALOG_DIALOGUEMANAGER_H
 #define GAME_MWDIALOG_DIALOGUEMANAGER_H
 
-#include "../mwworld/ptr.hpp"
+#include <components/esm/loadinfo.hpp>
 
-namespace ESM
-{
-    struct DialInfo;
-}
+#include "../mwworld/ptr.hpp"
 
 namespace MWWorld
 {
@@ -19,6 +16,8 @@ namespace MWDialogue
     {
             MWWorld::Environment& mEnvironment;
 
+            bool isMatching (const MWWorld::Ptr& actor, const ESM::DialInfo::SelectStruct& select) const;
+
             bool isMatching (const MWWorld::Ptr& actor, const ESM::DialInfo& info) const;
 
         public: