Closes #187 Display map with chapter intro text (#188)

When loading a game (or transitioning to next chapter),
display the full map with player position and chapter
intro text.

app/main3d.cpp

@@ -264,10 +264,7 @@ int main(int argc, char** argv)
         {
             bool guiHandled = root.OnMouseEvent(
                 Gui::LeftMousePress{guiScaleInv * clickPos});
-            // i.e. only MainView is present
-            // should really formalise this with some sort of
-            // GuiManager state, interacting with 2d or 3d world..?
-            if (!guiHandled && guiManager.mScreenStack.size() == 1)
+            if (!guiHandled && guiManager.InMainView())
             {
                 glDisable(GL_BLEND);
                 glDisable(GL_MULTISAMPLE);

bak/chapterTransitions.cpp

@@ -39,7 +39,7 @@ void TransitionToChapter(Chapter chapter, GameState& gs)
     }
     const auto startLocation = LoadChapterStartLocation(chapter);
     gs.SetLocation(startLocation.mLocation);
-    // gs.SetMapLocation(startLocation.mMapLocation);
+    gs.SetMapLocation(startLocation.mMapLocation);
 
     // mov     eax, [bp+currentGold]
     // add     partyGold, eax
@@ -55,8 +55,6 @@ void TransitionToChapter(Chapter chapter, GameState& gs)
         gs.Apply(State::SetEventFlagFalse, 0x190 + i);
     }
 
-    //gs.ClearActiveSpells();
-
     switch (chapter.mValue)
     {
         case 1:[[fallthrough]];