From 0e5c90d3e783cd471197637ae281494de4dd0b08 Mon Sep 17 00:00:00 2001
From: Lukasz Gromanowski <lgromanowski@gmail.com>
Date: Mon, 2 Apr 2012 23:50:53 +0200
Subject: [PATCH] Issue #225: Correction to commit ae98904.

Changed pointer to LandData struct to simple member variable.
---
 apps/openmw/mwrender/terrain.cpp | 25 +++++++-------------
 components/esm/loadland.cpp      | 40 +++++++++-----------------------
 components/esm/loadland.hpp      |  8 +------
 3 files changed, 20 insertions(+), 53 deletions(-)

diff --git a/apps/openmw/mwrender/terrain.cpp b/apps/openmw/mwrender/terrain.cpp
index 0b8f933a2..f1920490d 100644
--- a/apps/openmw/mwrender/terrain.cpp
+++ b/apps/openmw/mwrender/terrain.cpp
@@ -98,10 +98,7 @@ namespace MWRender
         ESM::Land* land = mEnvironment.mWorld->getStore().lands.search(cellX, cellY);
         if ( land != NULL )
         {
-            if (!land->dataLoaded)
-            {
-                land->loadData();
-            }
+            land->loadData();
         }
 
         //split the cell terrain into four segments
@@ -136,7 +133,7 @@ namespace MWRender
                         const size_t xOffset = x * (mLandSize-1);
 
                         memcpy(&terrainData.inputFloat[terrainCopyY*mLandSize],
-                               &land->landData->heights[yOffset + xOffset],
+                               &land->landData.heights[yOffset + xOffset],
                                mLandSize*sizeof(float));
                     }
                 }
@@ -163,7 +160,7 @@ namespace MWRender
                                          numTextures,
                                          indexes);
 
-                    if ( land && land->landData->usingColours )
+                    if ( land && land->landData.usingColours )
                     {
                         // disable or enable global colour map (depends on available vertex colours)
                         mActiveProfile->setGlobalColourMapEnabled(true);
@@ -423,18 +420,12 @@ namespace MWRender
         ESM::Land* land = mEnvironment.mWorld->getStore().lands.search(cellX, cellY);
         if ( land != NULL )
         {
-            if (!land->dataLoaded)
-            {
-                land->loadData();
-            }
+            land->loadData();
 
-            return land->landData
-                       ->textures[y * ESM::Land::LAND_TEXTURE_SIZE + x];
-        }
-        else
-        {
-            return 0;
+            return land->landData.textures[y * ESM::Land::LAND_TEXTURE_SIZE + x];
         }
+
+        return 0;
     }
 
     //----------------------------------------------------------------------------------------------
@@ -473,7 +464,7 @@ namespace MWRender
 
         if ( land != NULL )
         {
-            const char* const colours = land->landData->colours;
+            const char* const colours = land->landData.colours;
             for ( int y = 0; y < size; y++ )
             {
                 for ( int x = 0; x < size; x++ )
diff --git a/components/esm/loadland.cpp b/components/esm/loadland.cpp
index 96afdf831..c6dc3c6f2 100644
--- a/components/esm/loadland.cpp
+++ b/components/esm/loadland.cpp
@@ -10,16 +10,10 @@ Land::Land()
     , mEsm(NULL)
     , hasData(false)
     , dataLoaded(false)
-    , landData(NULL)
 {
+    memset(&landData, 0, sizeof(landData));
 }
 
-Land::~Land()
-{
-    delete landData;
-}
-
-
 void Land::load(ESMReader &esm)
 {
     mEsm = &esm;
@@ -68,7 +62,6 @@ void Land::load(ESMReader &esm)
     hasData = (cnt == 3);
 
     dataLoaded = false;
-    landData = NULL;
 }
 
 void Land::loadData()
@@ -78,8 +71,6 @@ void Land::loadData()
         return;
     }
 
-    landData = new LandData;
-
     if (hasData)
     {
         mEsm->restoreContext(context);
@@ -91,19 +82,20 @@ void Land::loadData()
         }
 
         VHGT rawHeights;
+        memset(&rawHeights, 0, sizeof(rawHeights));
 
         mEsm->getHNExact(&rawHeights, sizeof(VHGT), "VHGT");
         int currentHeightOffset = rawHeights.heightOffset;
         for (int y = 0; y < LAND_SIZE; y++)
         {
             currentHeightOffset += rawHeights.heightData[y * LAND_SIZE];
-            landData->heights[y * LAND_SIZE] = currentHeightOffset * HEIGHT_SCALE;
+            landData.heights[y * LAND_SIZE] = currentHeightOffset * HEIGHT_SCALE;
 
             int tempOffset = currentHeightOffset;
             for (int x = 1; x < LAND_SIZE; x++)
             {
                 tempOffset += rawHeights.heightData[y * LAND_SIZE + x];
-                landData->heights[x + y * LAND_SIZE] = tempOffset * HEIGHT_SCALE;
+                landData.heights[x + y * LAND_SIZE] = tempOffset * HEIGHT_SCALE;
             }
         }
 
@@ -113,10 +105,10 @@ void Land::loadData()
         }
         if (mEsm->isNextSub("VCLR"))
         {
-            landData->usingColours = true;
-            mEsm->getHExact(&landData->colours, 3*LAND_NUM_VERTS);
+            landData.usingColours = true;
+            mEsm->getHExact(&landData.colours, 3*LAND_NUM_VERTS);
         }else{
-            landData->usingColours = false;
+            landData.usingColours = false;
         }
         //TODO fix magic numbers
         uint16_t vtex[512];
@@ -127,29 +119,19 @@ void Land::loadData()
             for ( int x1 = 0; x1 < 4; x1++ )
                 for ( int y2 = 0; y2 < 4; y2++)
                     for ( int x2 = 0; x2 < 4; x2++ )
-                        landData->textures[(y1*4+y2)*16+(x1*4+x2)] = vtex[readPos++];
+                        landData.textures[(y1*4+y2)*16+(x1*4+x2)] = vtex[readPos++];
     }
     else
     {
-        landData->usingColours = false;
-        memset(&landData->textures, 0, 512 * sizeof(uint16_t));
+        landData.usingColours = false;
+        memset(landData.textures, 0, sizeof(landData.textures));
         for (int i = 0; i < LAND_NUM_VERTS; i++)
         {
-            landData->heights[i] = -256.0f * HEIGHT_SCALE;
+            landData.heights[i] = -256.0f * HEIGHT_SCALE;
         }
     }
 
     dataLoaded = true;
 }
 
-void Land::unloadData()
-{
-    if (dataLoaded)
-    {
-        delete landData;
-        landData = NULL;
-        dataLoaded = false;
-    }
-}
-
 }
diff --git a/components/esm/loadland.hpp b/components/esm/loadland.hpp
index 64baecd34..86f37d575 100644
--- a/components/esm/loadland.hpp
+++ b/components/esm/loadland.hpp
@@ -12,7 +12,6 @@ namespace ESM
 struct Land
 {
     Land();
-    ~Land();
 
     int flags; // Only first four bits seem to be used, don't know what
     // they mean.
@@ -67,7 +66,7 @@ struct Land
         char colours[3 * LAND_NUM_VERTS];
     };
 
-    LandData *landData;
+    LandData landData;
 
     void load(ESMReader &esm);
 
@@ -75,11 +74,6 @@ struct Land
      * Actually loads data
      */
     void loadData();
-
-    /**
-     * Frees memory allocated for land data
-     */
-    void unloadData();
 };
 }
 #endif