Fixed|All Games|Automap: Map is not visible in the automap

Two bugs contributed to the problem:
- map bounding box was not correctly passed to the automap widget
- Line's visibility tracking std::array was not initialized to zero

IssueID #2165

doomsday/apps/client/src/dd_main.cpp

@@ -1673,6 +1673,7 @@ void *DD_GetVariable(dint ddvalue)
     static dint value;
     static ddouble valueD;
     static timespan_t valueT;
+    static AABoxd valueBox;
 
     switch (ddvalue)
     {
@@ -1683,6 +1684,17 @@ void *DD_GetVariable(dint ddvalue)
         value = App_World().hasMap()? App_World().map().polyobjCount() : 0;
         return &value;
 
+    case DD_MAP_BOUNDING_BOX:
+        if (App_World().hasMap())
+        {
+            valueBox = App_World().map().bounds();
+        }
+        else
+        {
+            valueBox = AABoxd(0.0, 0.0, 0.0, 0.0);
+        }
+        return &valueBox;
+
     case DD_MAP_MIN_X:
         valueD = App_World().hasMap()? App_World().map().bounds().minX : 0;
         return &valueD;

doomsday/apps/client/src/world/line.cpp

@@ -1245,7 +1245,7 @@ DENG2_PIMPL(Line)
     dint flags;                 ///< Public DDLF_* flags.
     Side front;                 ///< Front side of the line.
     Side back;                  ///< Back side of the line.
-    std::array<bool, DDMAXPLAYERS> mapped; ///< Whether the line has been seen by each player yet.
+    std::array<bool, DDMAXPLAYERS> mapped {}; ///< Whether the line has been seen by each player yet.
 
     Vertex *from     = nullptr; ///< Start vertex (not owned).
     Vertex *to       = nullptr; ///< End vertex (not owned).

doomsday/apps/libdoomsday/include/doomsday/gameapi.h

@@ -87,7 +87,7 @@ enum {
     DD_UNUSED15, // DD_DEF_MUSIC_CDTRACK
 
     // Non-integer/special values for Set/Get
-    DD_UNUSED9, // DD_TRANSLATIONTABLES_ADDRESS
+    DD_MAP_BOUNDING_BOX,
     DD_UNUSED4, // DD_TRACE_ADDRESS
     DD_SPRITE_REPLACEMENT, ///< Sprite <-> model replacement.
     DD_ACTION_LINK, ///< State action routine addresses.

doomsday/apps/plugins/doom/src/st_stuff.cpp

@@ -728,10 +728,8 @@ static void initAutomapForCurrentMap(AutomapWidget &automap)
 
     automap.reset();
 
-    automap.setMapBounds(*((coord_t *) DD_GetVariable(DD_MAP_MIN_X)),
-                         *((coord_t *) DD_GetVariable(DD_MAP_MAX_X)),
-                         *((coord_t *) DD_GetVariable(DD_MAP_MIN_Y)),
-                         *((coord_t *) DD_GetVariable(DD_MAP_MAX_Y)));
+    AABoxd const *mapBounds = reinterpret_cast<AABoxd *>(DD_GetVariable(DD_MAP_BOUNDING_BOX));
+    automap.setMapBounds(mapBounds->minX, mapBounds->maxX, mapBounds->minY, mapBounds->maxY);
 
     AutomapStyle *style = automap.style();
 

doomsday/apps/plugins/doom64/src/st_stuff.cpp

@@ -331,11 +331,8 @@ static void initAutomapForCurrentMap(AutomapWidget& map)
 
     map.reset();
 
-    map.setMapBounds(*((coord_t*) DD_GetVariable(DD_MAP_MIN_X)),
-                     *((coord_t*) DD_GetVariable(DD_MAP_MAX_X)),
-                     *((coord_t*) DD_GetVariable(DD_MAP_MIN_Y)),
-                     *((coord_t*) DD_GetVariable(DD_MAP_MAX_Y)));
-
+    AABoxd const *mapBounds = reinterpret_cast<AABoxd *>(DD_GetVariable(DD_MAP_BOUNDING_BOX));
+    map.setMapBounds(mapBounds->minX, mapBounds->maxX, mapBounds->minY, mapBounds->maxY);
 
     // Disable cheats for network games
     if (IS_NETGAME)

doomsday/apps/plugins/heretic/src/st_stuff.cpp

@@ -720,10 +720,8 @@ static void initAutomapForCurrentMap(AutomapWidget &automap)
 
     automap.reset();
 
-    automap.setMapBounds(*((coord_t *) DD_GetVariable(DD_MAP_MIN_X)),
-                         *((coord_t *) DD_GetVariable(DD_MAP_MAX_X)),
-                         *((coord_t *) DD_GetVariable(DD_MAP_MIN_Y)),
-                         *((coord_t *) DD_GetVariable(DD_MAP_MAX_Y)));
+    AABoxd const *mapBounds = reinterpret_cast<AABoxd *>(DD_GetVariable(DD_MAP_BOUNDING_BOX));
+    automap.setMapBounds(mapBounds->minX, mapBounds->maxX, mapBounds->minY, mapBounds->maxY);
 
 #if __JDOOM__
     automapcfg_t *style = automap.style();

doomsday/apps/plugins/hexen/src/st_stuff.cpp

@@ -597,10 +597,8 @@ static void initAutomapForCurrentMap(AutomapWidget &automap)
 
     automap.reset();
 
-    automap.setMapBounds(*((coord_t *) DD_GetVariable(DD_MAP_MIN_X)),
-                         *((coord_t *) DD_GetVariable(DD_MAP_MAX_X)),
-                         *((coord_t *) DD_GetVariable(DD_MAP_MIN_Y)),
-                         *((coord_t *) DD_GetVariable(DD_MAP_MAX_Y)));
+    AABoxd const *mapBounds = reinterpret_cast<AABoxd *>(DD_GetVariable(DD_MAP_BOUNDING_BOX));
+    automap.setMapBounds(mapBounds->minX, mapBounds->maxX, mapBounds->minY, mapBounds->maxY);
 
 #if __JDOOM__
     automapcfg_t *style = automap.style();