]> gitweb.fperrin.net Git - GpsPrune.git/blobdiff - tim/prune/threedee/Java3DWindow.java
Version 16.3, July 2014
[GpsPrune.git] / tim / prune / threedee / Java3DWindow.java
index ba1ed1530c282e5607d24816bc391f72d68d48c7..fdda0fcc4f53de305e4177866ea8132c09249a97 100644 (file)
@@ -27,9 +27,9 @@ import javax.media.j3d.QuadArray;
 import javax.media.j3d.Shape3D;
 import javax.media.j3d.Text3D;
 import javax.media.j3d.Texture;
+import javax.media.j3d.TextureAttributes;
 import javax.media.j3d.Transform3D;
 import javax.media.j3d.TransformGroup;
-import javax.media.j3d.TriangleStripArray;
 import javax.swing.JButton;
 import javax.swing.JFrame;
 import javax.swing.JOptionPane;
@@ -41,6 +41,7 @@ import javax.vecmath.Point3f;
 import javax.vecmath.TexCoord2f;
 import javax.vecmath.Vector3d;
 
+import tim.prune.DataStatus;
 import tim.prune.FunctionLibrary;
 import tim.prune.I18nManager;
 import tim.prune.data.Track;
@@ -53,6 +54,8 @@ import tim.prune.save.MapGrouter;
 import com.sun.j3d.utils.behaviors.vp.OrbitBehavior;
 import com.sun.j3d.utils.geometry.Box;
 import com.sun.j3d.utils.geometry.Cylinder;
+import com.sun.j3d.utils.geometry.GeometryInfo;
+import com.sun.j3d.utils.geometry.NormalGenerator;
 import com.sun.j3d.utils.geometry.Sphere;
 import com.sun.j3d.utils.image.TextureLoader;
 import com.sun.j3d.utils.universe.SimpleUniverse;
@@ -72,6 +75,7 @@ public class Java3DWindow implements ThreeDWindow
        private ImageDefinition _imageDefinition = null;
        private GroutedImage _baseImage = null;
        private TerrainDefinition _terrainDefinition = null;
+       private DataStatus _dataStatus = null;
 
        /** only prompt about big track size once */
        private static boolean TRACK_SIZE_WARNING_GIVEN = false;
@@ -134,6 +138,14 @@ public class Java3DWindow implements ThreeDWindow
                _terrainDefinition = inDefinition;
        }
 
+       /**
+        * Set the current data status
+        */
+       public void setDataStatus(DataStatus inStatus)
+       {
+               _dataStatus = inStatus;
+       }
+
        /**
         * Show the window
         */
@@ -331,24 +343,31 @@ public class Java3DWindow implements ThreeDWindow
 
                if (showTerrain)
                {
-                       // TODO: Is it maybe possible to cache the last terrainTrack?
-                       //       (if the dataTrack and the resolution haven't changed)
-                       // Construct the terrain track according to these extents and the grid size
                        TerrainHelper terrainHelper = new TerrainHelper(_terrainDefinition.getGridSize());
-                       Track terrainTrack = terrainHelper.createGridTrack(_track);
-                       // Get the altitudes from SRTM for all the points in the track
-                       LookupSrtmFunction srtmLookup = (LookupSrtmFunction) FunctionLibrary.FUNCTION_LOOKUP_SRTM;
-                       srtmLookup.begin(terrainTrack);
-                       while (srtmLookup.isRunning())
+                       // See if there's a previously saved terrain track we can reuse
+                       Track terrainTrack = TerrainCache.getTerrainTrack(_dataStatus, _terrainDefinition);
+                       if (terrainTrack == null)
                        {
-                               try {
-                                       Thread.sleep(750);  // just polling in a wait loop isn't ideal but simple
+                               // Construct the terrain track according to these extents and the grid size
+                               terrainTrack = terrainHelper.createGridTrack(_track);
+                               // Get the altitudes from SRTM for all the points in the track
+                               LookupSrtmFunction srtmLookup = (LookupSrtmFunction) FunctionLibrary.FUNCTION_LOOKUP_SRTM;
+                               srtmLookup.begin(terrainTrack);
+                               while (srtmLookup.isRunning())
+                               {
+                                       try {
+                                               Thread.sleep(750);  // just polling in a wait loop isn't ideal but simple
+                                       }
+                                       catch (InterruptedException e) {}
                                }
-                               catch (InterruptedException e) {}
-                       }
 
-                       // Fix the voids
-                       terrainHelper.fixVoids(terrainTrack);
+                               // Fix the voids
+                               terrainHelper.fixVoids(terrainTrack);
+
+                               // Store this back in the cache, maybe we'll need it again
+                               TerrainCache.storeTerrainTrack(terrainTrack, _dataStatus, _terrainDefinition);
+                       }
+                       // else System.out.println("Yay - reusing the cached track!");
 
                        // Give the terrain definition to the _model as well
                        _model.setTerrain(terrainTrack);
@@ -575,11 +594,8 @@ public class Java3DWindow implements ThreeDWindow
        {
                final int numNodes = inHelper.getGridSize();
                final int RESULT_SIZE = numNodes * (numNodes * 2 - 2);
-               final int GEOMETRY_COLOURING_TYPE = (inBaseImage == null ? GeometryArray.COLOR_3 : GeometryArray.TEXTURE_COORDINATE_2);
-
                int[] stripData = inHelper.getStripLengths();
-               TriangleStripArray tsa = new TriangleStripArray(RESULT_SIZE, GeometryArray.COORDINATES | GEOMETRY_COLOURING_TYPE,
-                       stripData);
+
                // Get the scaled terrainTrack coordinates (or just heights) from the model
                final int nSquared = numNodes * numNodes;
                Point3d[] rawPoints = new Point3d[nSquared];
@@ -590,23 +606,37 @@ public class Java3DWindow implements ThreeDWindow
                                Math.max(height, 0.05), // make sure it's above the box
                                -inModel.getScaledTerrainVertValue(i) * MODEL_SCALE_FACTOR);
                }
-               tsa.setCoordinates(0, inHelper.getTerrainCoordinates(rawPoints));
+
+               GeometryInfo gi = new GeometryInfo(GeometryInfo.TRIANGLE_STRIP_ARRAY);
+               gi.setCoordinates(inHelper.getTerrainCoordinates(rawPoints));
+               gi.setStripCounts(stripData);
 
                Appearance tAppearance = new Appearance();
                if (inBaseImage != null)
                {
-                       tsa.setTextureCoordinates(0, 0, inHelper.getTextureCoordinates());
+                       gi.setTextureCoordinateParams(1,  2); // one coord set of two dimensions
+                       gi.setTextureCoordinates(0, inHelper.getTextureCoordinates());
                        Texture mapImage = new TextureLoader(inBaseImage.getImage()).getTexture();
                        tAppearance.setTexture(mapImage);
+                       TextureAttributes texAttr = new TextureAttributes();
+                       texAttr.setTextureMode(TextureAttributes.MODULATE);
+                       tAppearance.setTextureAttributes(texAttr);
                }
                else
                {
                        Color3f[] colours = new Color3f[RESULT_SIZE];
                        Color3f terrainColour = new Color3f(0.1f, 0.2f, 0.2f);
                        for (int i=0; i<RESULT_SIZE; i++) {colours[i] = terrainColour;}
-                       tsa.setColors(0, colours);
+                       gi.setColors(colours);
                }
-               return new Shape3D(tsa, tAppearance);
+               new NormalGenerator().generateNormals(gi);
+               Material terrnMat = new Material(new Color3f(0.4f, 0.4f, 0.4f), // ambient colour
+                       new Color3f(0f, 0f, 0f), // emissive (none)
+                       new Color3f(0.8f, 0.8f, 0.8f), // diffuse
+                       new Color3f(0.2f, 0.2f, 0.2f), //specular
+                       30f); // shinyness
+               tAppearance.setMaterial(terrnMat);
+               return new Shape3D(gi.getGeometryArray(), tAppearance);
        }
 
        /**