Fixed|Model Renderer: Rendering passes were indexed incorrectly

When enabling and disabling rendering passes, the incorrect ones
were being accessed, due to the setup not processing the passes in
source line order (it was done alphabetically instead).

doomsday/apps/client/src/render/stateanimator.cpp

@@ -259,7 +259,7 @@ DENG2_PIMPL(StateAnimator)
             for(int i = 0; i < passCount; ++i) appearance.passMaterial << 0;
         }
         appearance.passMask.resize(passCount);
-        
+
         // The main material variable should always exist. The "render" definition
         // may override this default value.
         names.addText(VAR_MATERIAL, "default");
@@ -279,16 +279,18 @@ DENG2_PIMPL(StateAnimator)
             // Each rendering pass is represented by a subrecord, named
             // according the to the pass names.
             auto passes = ScriptedInfo::subrecordsOfType(DEF_PASS, renderBlock);
-            DENG2_FOR_EACH_CONST(Record::Subrecords, i, passes)
+            for(String passName : ScriptedInfo::sortRecordsBySource(passes))
             {
-                indexForPassName[i.key()] = passIndex++;
+                Record const &passDef = *passes[passName];
+
+                indexForPassName[passName] = passIndex++;
 
-                Record &passRec = names.addRecord(i.key());
+                Record &passRec = names.addRecord(passName);
                 passRec.addBoolean(VAR_ENABLED,
-                                   ScriptedInfo::isTrue(*i.value(), DEF_ENABLED, true))
+                                   ScriptedInfo::isTrue(passDef, DEF_ENABLED, true))
                        .audienceForChange() += this;
 
-                initVariablesForPass(*i.value(), i.key());
+                initVariablesForPass(passDef, passName);
             }
         }