Merge remote branch 'zinnschlag/cell'

apps/openmw/mwscript/cellextensions.cpp

@@ -41,9 +41,20 @@ namespace MWScript
                     runtime.pop();
 
                     ESM::Position pos;
-                    pos.pos[0] = pos.pos[1] = pos.pos[2] = 0;
                     pos.rot[0] = pos.rot[1] = pos.rot[2] = 0;
-                    context.getWorld().changeCell (cell, pos);
+                    pos.pos[2] = 0;
+
+                    if (const ESM::Cell *exterior = context.getWorld().getExterior (cell))
+                    {
+                        context.getWorld().indexToPosition (exterior->data.gridX, exterior->data.gridY,
+                            pos.pos[0], pos.pos[1], true);
+                        context.getWorld().changeToExteriorCell (pos);
+                    }
+                    else
+                    {
+                        pos.pos[0] = pos.pos[1] = 0;
+                        context.getWorld().changeCell (cell, pos);
+                    }
                 }
         };
 
@@ -64,7 +75,7 @@ namespace MWScript
 
                     ESM::Position pos;
 
-                    context.getWorld().indexToPosition (x, y, pos.pos[0], pos.pos[1]);
+                    context.getWorld().indexToPosition (x, y, pos.pos[0], pos.pos[1], true);
                     pos.pos[2] = 0;
 
                     pos.rot[0] = pos.rot[1] = pos.rot[2] = 0;

apps/openmw/mwworld/world.cpp

@@ -691,6 +691,30 @@ namespace MWWorld
         changeCell (x, y, position);
     }
 
+    const ESM::Cell *World::getExterior (const std::string& cellName) const
+    {
+        // first try named cells
+        if (const ESM::Cell *cell = mStore.cells.searchExtByName (cellName))
+            return cell;
+
+        // didn't work -> now check for regions
+        std::string cellName2 = ESMS::RecListT<ESM::Region>::toLower (cellName);
+
+        for (ESMS::RecListT<ESM::Region>::MapType::const_iterator iter (mStore.regions.list.begin());
+            iter!=mStore.regions.list.end(); ++iter)
+        {
+            if (ESMS::RecListT<ESM::Region>::toLower (iter->second.name)==cellName2)
+            {
+                if (const ESM::Cell *cell = mStore.cells.searchExtByRegion (iter->first))
+                    return cell;
+
+                break;
+            }
+        }
+
+        return 0;
+    }
+
     void World::markCellAsUnchanged()
     {
         mCellChanged = false;
@@ -756,12 +780,18 @@ namespace MWWorld
         // TODO cell change for non-player ref
     }
 
-    void World::indexToPosition (int cellX, int cellY, float &x, float &y) const
+    void World::indexToPosition (int cellX, int cellY, float &x, float &y, bool centre) const
     {
         const int cellSize = 8192;
 
         x = cellSize * cellX;
         y = cellSize * cellY;
+
+        if (centre)
+        {
+            x += cellSize/2;
+            y += cellSize/2;
+        }
     }
 
     void World::positionToIndex (float x, float y, int &cellX, int &cellY) const

apps/openmw/mwworld/world.hpp

@@ -145,6 +145,9 @@ namespace MWWorld
 
             void changeToExteriorCell (const ESM::Position& position);
 
+            const ESM::Cell *getExterior (const std::string& cellName) const;
+            ///< Return a cell matching the given name or a 0-pointer, if there is no such cell.
+
             void markCellAsUnchanged();
 
             std::string getFacedHandle();
@@ -154,7 +157,7 @@ namespace MWWorld
 
             void moveObject (Ptr ptr, float x, float y, float z);
 
-            void indexToPosition (int cellX, int cellY, float &x, float &y) const;
+            void indexToPosition (int cellX, int cellY, float &x, float &y, bool centre = false) const;
             ///< Convert cell numbers to position.
 
             void positionToIndex (float x, float y, int &cellX, int &cellY) const;

components/esm_store/reclists.hpp

@@ -209,6 +209,38 @@ namespace ESMS
         return it2->second;
     }
 
+    const Cell *searchExtByName (const std::string& id) const
+    {
+        for (ExtCells::const_iterator iter = extCells.begin(); iter!=extCells.end(); ++iter)
+        {
+            const ExtCellsCol& column = iter->second;
+            for (ExtCellsCol::const_iterator iter = column.begin(); iter!=column.end(); ++iter)
+            {
+                if (iter->second->name==id)
+                    return iter->second;
+            }
+        }
+
+        return 0;
+    }
+
+    const Cell *searchExtByRegion (const std::string& id) const
+    {
+        std::string id2 = toLower (id);
+
+        for (ExtCells::const_iterator iter = extCells.begin(); iter!=extCells.end(); ++iter)
+        {
+            const ExtCellsCol& column = iter->second;
+            for (ExtCellsCol::const_iterator iter = column.begin(); iter!=column.end(); ++iter)
+            {
+                if (toLower (iter->second->region)==id)
+                    return iter->second;
+            }
+        }
+
+        return 0;
+    }
+
     void load(ESMReader &esm, const std::string &id)
     {
       using namespace std;