Moved source into separate src directory due to popular request

[GpsPrune.git] / tim / prune / threedee / TerrainCache.java

diff --git a/tim/prune/threedee/TerrainCache.java b/tim/prune/threedee/TerrainCache.java
deleted file mode 100644 (file)
index 5f5733f..0000000
--- a/tim/prune/threedee/TerrainCache.java
+++ /dev/null
@@ -1,57 +0,0 @@
-package tim.prune.threedee;
-
-import tim.prune.DataStatus;
-import tim.prune.data.Track;
-
-/**
- * This abstract class acts as a singleton to store a single
- * terrain model (as a Track) for a given data status and terrain definition.
- * When the data or the definition changes, this track becomes invalid.
- */
-public abstract class TerrainCache
-{
-       /** The data status at the time this terrain was generated */
-       private static DataStatus _dataStatus = null;
-       /** The definition (grid size) for this terrain */
-       private static TerrainDefinition _terrainDef = null;
-       /** The generated grid of points with altitudes */
-       private static Track _terrainTrack = null;
-
-
-       /**
-        * Get the stored terrain track if it's still valid
-        * @param inCurrStatus current data status
-        * @param inTerrainDef currently selected terrain definition
-        * @return stored terrain track if it's valid, null otherwise
-        */
-       public static Track getTerrainTrack(DataStatus inCurrStatus, TerrainDefinition inTerrainDef)
-       {
-               if (_dataStatus == null || _terrainDef == null || _terrainTrack == null)
-               {
-                       return null; // nothing stored
-               }
-               if (inCurrStatus == null || inTerrainDef == null || !inTerrainDef.getUseTerrain())
-               {
-                       return null; // nonsense requested
-               }
-               if (inCurrStatus.hasDataChanged(_dataStatus) || !inTerrainDef.equals(_terrainDef))
-               {
-                       return null; // stored track is out of date
-               }
-               // we have a match
-               return _terrainTrack;
-       }
-
-       /**
-        * Now that a terrain track has been generated, store it for possible reuse
-        * @param inTrack terrain track to store
-        * @param inCurrStatus current data status
-        * @param inTerrainDef terrain definition
-        */
-       public static void storeTerrainTrack(Track inTrack, DataStatus inCurrStatus, TerrainDefinition inTerrainDef)
-       {
-               _terrainTrack = inTrack;
-               _dataStatus = inCurrStatus;
-               _terrainDef = inTerrainDef;
-       }
-}