Merge remote branch 'corristo/pgrd'

Removed a warning

Conflicts:
	CMakeLists.txt

CMakeLists.txt

@@ -255,14 +255,8 @@ if (APPLE)
         "${APP_BUNDLE_DIR}/Contents/Resources/OpenMW.icns" COPYONLY)
 
     # prepare plugins
-    if (${CMAKE_BUILD_TYPE} MATCHES "Release")
-        set(OPENMW_RELEASE_BUILD 1)
-    endif()
-    if (${CMAKE_BUILD_TYPE} MATCHES "RelWithDebugInfo")
-        set(OPENMW_RELEASE_BUILD 1)
-    endif()
-
-    if (${OPENMW_RELEASE_BUILD})
+    if (${CMAKE_BUILD_TYPE} MATCHES "Release" OR
+        ${CMAKE_BUILD_TYPE} MATCHES "RelWithDebugInfo")
         set(OGRE_PLUGIN_DIR ${OGRE_PLUGIN_DIR_REL})
     else()
         set(OGRE_PLUGIN_DIR ${OGRE_PLUGIN_DIR_DBG})

components/esm/loadpgrd.cpp

@@ -3,32 +3,68 @@
 namespace ESM
 {
 
-void PathGrid::load(ESMReader &esm)
+void Pathgrid::load(ESMReader &esm)
 {
     esm.getHNT(data, "DATA", 12);
     cell = esm.getHNString("NAME");
 
-    // Remember this file position
-    context = esm.getContext();
+    // keep track of total connections so we can reserve edge vector size
+    int edgeCount = 0;
 
-    // Check that the sizes match up. Size = 16 * s2 (path points?)
     if (esm.isNextSub("PGRP"))
     {
-        esm.skipHSub();
+        esm.getSubHeader();
         int size = esm.getSubSize();
-        if (size != 16 * data.s2)
-            esm.fail("Path grid table size mismatch");
+        // Check that the sizes match up. Size = 16 * s2 (path points)
+        if (size != static_cast<int> (sizeof(Point) * data.s2))
+            esm.fail("Path point subrecord size mismatch");
+        else
+        {
+            int pointCount = data.s2;
+            points.reserve(pointCount);
+            for (int i = 0; i < pointCount; ++i)
+            {
+                Point p;
+                esm.getExact(&p, sizeof(Point));
+                points.push_back(p);
+                edgeCount += p.connectionNum;
+            }
+        }
     }
 
-    // Size varies. Path grid chances? Connections? Multiples of 4
-    // suggest either int or two shorts, or perhaps a float. Study
-    // it later.
     if (esm.isNextSub("PGRC"))
     {
-        esm.skipHSub();
+        esm.getSubHeader();
         int size = esm.getSubSize();
-        if (size % 4 != 0)
+        if (size % sizeof(int) != 0)
             esm.fail("PGRC size not a multiple of 4");
+        else
+        {
+            int rawConnNum = size / sizeof(int);
+            std::vector<int> rawConnections;
+            rawConnections.reserve(rawConnNum);
+            for (int i = 0; i < rawConnNum; ++i)
+            {
+                int currentValue;
+                esm.getT(currentValue);
+                rawConnections.push_back(currentValue);
+            }
+
+            std::vector<int>::const_iterator rawIt = rawConnections.begin();
+            int pointIndex = 0;
+            edges.reserve(edgeCount);
+            for(PointList::const_iterator it = points.begin(); it != points.end(); it++, pointIndex++)
+            {
+                unsigned char connectionNum = (*it).connectionNum;
+                for (int i = 0; i < connectionNum; ++i) {
+                    Edge edge;
+                    edge.v0 = pointIndex;
+                    edge.v1 = *rawIt;
+                    rawIt++;
+                    edges.push_back(edge);
+                }
+            }
+        }
     }
 }
 

components/esm/loadpgrd.hpp

@@ -9,20 +9,37 @@ namespace ESM
 /*
  * Path grid.
  */
-struct PathGrid
+struct Pathgrid
 {
     struct DATAstruct
     {
         int x, y; // Grid location, matches cell for exterior cells
         short s1; // ?? Usually but not always a power of 2. Doesn't seem
                   // to have any relation to the size of PGRC.
-        short s2; // Number of path points? Size of PGRP block is always 16 * s2;
+        short s2; // Number of path points.
     }; // 12 bytes
 
+    struct Point // path grid point
+    {
+        int x, y, z; // Location of point
+        unsigned char autogenerated; // autogenerated vs. user coloring flag?
+        unsigned char connectionNum; // number of connections for this point
+        short unknown;
+    }; // 16 bytes
+
+    struct Edge // path grid edge
+    {
+        int v0, v1; // index of points connected with this edge
+    }; // 8 bytes
+
     std::string cell; // Cell name
     DATAstruct data;
-    ESM_Context context; // Context so we can return here later and
-                         // finish the job
+
+    typedef std::vector<Point> PointList;
+    PointList points;
+
+    typedef std::vector<Edge> EdgeList;
+    EdgeList edges;
 
     void load(ESMReader &esm);
 };

components/esm_store/reclists.hpp

@@ -390,6 +390,95 @@ namespace ESMS
     }
   };
 
+  struct PathgridList : RecList
+  {
+      int count;
+
+      // List of grids for interior cells. Indexed by cell name.
+      typedef std::map<std::string,ESM::Pathgrid*, ciLessBoost> IntGrids;
+      IntGrids intGrids;
+
+      // List of grids for exterior cells. Indexed as extCells[gridX][gridY].
+      typedef std::map<std::pair<int, int>, ESM::Pathgrid*> ExtGrids;
+      ExtGrids extGrids;
+
+      PathgridList() : count(0) {}
+
+      ~PathgridList()
+      {
+          for (IntGrids::iterator it = intGrids.begin(); it!=intGrids.end(); ++it)
+              delete it->second;
+
+          for (ExtGrids::iterator it = extGrids.begin(); it!=extGrids.end(); ++it)
+              delete it->second;
+      }
+
+      int getSize() { return count; }
+
+      virtual void listIdentifier (std::vector<std::string>& identifier) const
+      {
+          // do nothing
+      }
+
+      void load(ESMReader &esm, const std::string &id)
+      {
+          count++;
+          ESM::Pathgrid *grid = new ESM::Pathgrid;
+          grid->load(esm);
+          if (grid->data.x == 0 && grid->data.y == 0)
+          {
+              intGrids[grid->cell] = grid;
+          }
+          else
+          {
+              extGrids[std::make_pair(grid->data.x, grid->data.y)] = grid;
+          }
+      }
+
+      Pathgrid *find(int cellX, int cellY, std::string cellName) const
+      {
+          Pathgrid *result = search(cellX, cellY, cellName);
+          if (!result)
+          {
+              throw std::runtime_error("no pathgrid found for cell " + cellName);
+          }
+          return result;
+      }
+
+      Pathgrid *search(int cellX, int cellY, std::string cellName) const
+      {
+          Pathgrid *result = NULL;
+          if (cellX == 0 && cellY == 0) // possibly interior
+          {
+              IntGrids::const_iterator it = intGrids.find(cellName);
+              if (it != intGrids.end())
+                result = it->second;
+          }
+          else
+          {
+              ExtGrids::const_iterator it = extGrids.find(std::make_pair(cellX, cellY));
+              if (it != extGrids.end())
+                result = it->second;
+          }
+          return result;
+      }
+
+      Pathgrid *search(const ESM::Cell &cell) const
+      {
+          int cellX, cellY;
+          if (cell.data.flags & ESM::Cell::Interior)
+          {
+              cellX = cellY = 0;
+          }
+          else
+          {
+              cellX = cell.data.gridX;
+              cellY = cell.data.gridY;
+          }
+          return search(cellX, cellY, cell.name);
+      }
+  };
+
   template <typename X>
   struct ScriptListT : RecList
   {

components/esm_store/store.hpp

@@ -74,7 +74,8 @@ namespace ESMS
     ScriptListT<Script>         scripts;
     IndexListT<MagicEffect>     magicEffects;
     IndexListT<Skill>           skills;
-    //RecListT<PathGrid>    pathgrids;
+    //RecListT<Pathgrid>          pathgrids;
+    PathgridList                pathgrids;
 
     // Special entry which is hardcoded and not loaded from an ESM
     IndexListT<Attribute>       attributes;
@@ -124,7 +125,7 @@ namespace ESMS
       recLists[REC_MISC] = &miscItems;
       recLists[REC_NPC_] = &npcs;
       recLists[REC_NPCC] = &npcChange;
-      //recLists[REC_PGRD] = &pathgrids;
+      recLists[REC_PGRD] = &pathgrids;
       recLists[REC_PROB] = &probes;
       recLists[REC_RACE] = &races;
       recLists[REC_REGN] = &regions;