[Bprocessor-commit] gl/src/net/sourceforge/bprocessor/gl/tool ExtrusionTool.java,1.28,1.29

SourceForge Headquarters 225 Broadway Suite 1600 San Diego, CA 92101 +1 (858) 422-6466

Update of /cvsroot/bprocessor/gl/src/net/sourceforge/bprocessor/gl/tool
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv20981

Modified Files:
	ExtrusionTool.java 
Log Message:
small changes

Index: ExtrusionTool.java
===================================================================
RCS file: /cvsroot/bprocessor/gl/src/net/sourceforge/bprocessor/gl/tool/ExtrusionTool.java,v
retrieving revision 1.28
retrieving revision 1.29
diff -C2 -d -r1.28 -r1.29
*** ExtrusionTool.java	18 Nov 2005 01:27:56 -0000	1.28
--- ExtrusionTool.java	18 Nov 2005 12:32:05 -0000	1.29
***************
*** 31,36 ****
  import java.util.Set;
  import java.util.HashSet;
  import java.util.LinkedList;
! 
  import org.apache.log4j.Logger;
  /**
--- 31,37 ----
  import java.util.Set;
  import java.util.HashSet;
+ import java.util.HashMap;
  import java.util.LinkedList;
! import java.util.Map;
  import org.apache.log4j.Logger;
  /**
***************
*** 178,185 ****
--- 179,385 ----
    protected void released(MouseEvent e) {
      super.released(e);
+     //holeDetection();
      spaceAssignment();
    }
    
    /**
+    * Detects if the an extrusion went through other surfaces and thus
+    * making it nessesary to form new holes. (should be done before) space-
+    * assignment)
+    */
+   private void holeDetection() {
+     //this is when nothing is extruded
+     if (extrudeSurface == null) {
+       return;
+     }
+     Surface top = (Surface)extrudedSurfaces.getFirst();
+     Surface bottom = (Surface)extrudedSurfaces.getLast();
+     
+     List topVerticies = top.getVertices();
+     List sideEdges = new LinkedList();
+     Iterator topVertIt = topVerticies.iterator();
+     while (topVertIt.hasNext()) {
+       Set edges = ((Vertex)(topVertIt.next())).getEdges();
+       if (edges != null) {
+         if (edges.size() > 3) {
+           log.warn("Algorithm assumtion is wrong");
+         }
+         Iterator edgeIt = edges.iterator();
+         while (edgeIt.hasNext()) {
+           Edge edge = (Edge)edgeIt.next();
+           if (!top.contains(edge)) {
+             sideEdges.add(edge);
+           }
+         }
+       }
+     }
+     Map surfaceToInnerPoints = new HashMap();
+     Map edgeToSplit = new HashMap();
+     Map splitToEdge = new HashMap();
+     Iterator sIt = Project.getInstance().getSurfaces().iterator();
+     while (sIt.hasNext()) {
+       Surface surface = (Surface)sIt.next();
+       if (!extrudedSurfaces.contains(surface)) {
+         List cutVerticies = new LinkedList();
+         List cutEdges = new LinkedList();
+         boolean hole = true;
+         Iterator sideEdgeIt = sideEdges.iterator();
+         while (sideEdgeIt.hasNext() && hole) {
+           Edge edge = (Edge)sideEdgeIt.next();
+           Vertex vertex = surface.intersection(edge);
+           if (vertex == null) {
+             hole = false;
+           } else {
+             vertex = createVertex(vertex);
+             cutVerticies.add(vertex);
+             cutEdges.add(edge);
+             splitToEdge.put(vertex, edge);
+             if (edgeToSplit.containsKey(edge)) {
+               LinkedList splitList = (LinkedList)edgeToSplit.get(edge);
+               edgeToSplit.put(edge, insertSplit(splitList, vertex, edge));
+             } else {
+               LinkedList splitList = new LinkedList();
+               splitList.add(vertex);
+               edgeToSplit.put(edge, splitList);
+             }
+           }
+         }
+         if (hole) {
+           surfaceToInnerPoints.put(surface, cutVerticies);
+         }
+       }
+     }
+     /*
+     Debug code  
+     Iterator it = edgeToSplit.keySet().iterator();
+     while (it.hasNext()) {
+       Edge edge = (Edge)it.next();
+       log.info("To: " + edge.getTo());
+       Iterator it2 = ((LinkedList)edgeToSplit.get(edge)).iterator();
+       while (it2.hasNext()) {
+         log.info((Vertex)it2.next());
+       }
+     }
+     */
+     breakExtension(surfaceToInnerPoints, edgeToSplit, splitToEdge);
+   }
+   
+   /**
+    * Keeps a sorted list of splitting verticies sorted after insertion 
+    * so that the verticies closest to the "to" node is in front of the list.
+    * @param splitList the original list.
+    * @param split the new vertex to insert.
+    * @param edge the edge corresponding to the splitlist.
+    * @return the new list.
+    */
+   private LinkedList insertSplit(LinkedList splitList, Vertex split, Edge edge) {
+     Iterator it = splitList.iterator();
+     boolean inserted = false;
+     while (it.hasNext() && !inserted) {
+       Vertex current = (Vertex)it.next();
+       if (closerThan(split, current, edge)) {
+         int i = splitList.indexOf(current);
+         splitList.add(i, split);
+         inserted = true;
+       }
+     }
+     if (!inserted) {
+       splitList.addLast(split);
+     }
+     return splitList;
+   }
+   
+   /**
+    * Tells wherther or not one vertex is closer to the "to"-vertex of 
+    * an edge than an other vertex.
+    * @param v1 the first vertex
+    * @param v2 the second vertex
+    * @param edge the edge
+    * @return true if v1 is closer to the "to"-vertex otherwise false
+    */
+   private boolean closerThan(Vertex v1, Vertex v2, Edge edge) {
+     Vertex direction = edge.getFrom().minus(edge.getTo());
+     double distance1;
+     double distance2;
+     if (direction.getX() != 0) {
+       distance1 = (v1.getX() + edge.getTo().getX()) / direction.getX();
+       distance2 = (v2.getX() + edge.getTo().getX()) / direction.getX();
+     } else if (direction.getY() != 0) {
+       distance1 = (v1.getY() + edge.getTo().getX()) / direction.getY();
+       distance2 = (v2.getY() + edge.getTo().getY()) / direction.getY();
+     } else {
+       distance1 = (v1.getZ() + edge.getTo().getZ()) / direction.getZ();
+       distance2 = (v2.getZ() + edge.getTo().getZ()) / direction.getZ();
+     }
+     return distance1 < distance2;
+   }
+     
+   
+   /**
+    * Makes the apropriate hole when an extrusion goes through a surface
+    * @param surfaceToPoints a map having a surface as key and a list of 
+    * verticies corresponding to an innersurface as value
+    * @param edgeToPoints a map having edges as keys and a ordered list of 
+    * verticies that split the edge as value
+    * @param pointToEdge a map having verticies as keys and the edge which it splits
+    * as value.
+    */
+   private void breakExtension(Map surfaceToPoints, Map edgeToPoints, Map pointToEdge) {
+     //First we create the holes
+     Set surfaceKeys = surfaceToPoints.keySet();
+     Iterator skIt = surfaceKeys.iterator();
+     Map fromToTo = new HashMap();
+     Map toToFrom = new HashMap();
+     while (skIt.hasNext()) {
+       Surface surface = (Surface)skIt.next();
+       List verticies = (List)surfaceToPoints.get(surface);
+       Iterator vertIt = verticies.iterator();
+       Vertex origin;
+       if (vertIt.hasNext()) {
+         List edges = new LinkedList();
+         origin = (Vertex)vertIt.next();
+         Vertex from = origin;
+         Vertex to;
+         while (vertIt.hasNext()) {
+           to = (Vertex)vertIt.next();
+           if (to != null) {
+             edges.add(createEdge(from, to));
+             toToFrom.put(to, from);
+             fromToTo.put(from, to);
+             from = to;
+             if (to.equals(origin)) {
+               log.warn("Algorithm assumtions wrong");
+             }
+           }
+         }
+         edges.add(createEdge(from, origin));
+         Surface hole = createSurface(edges);
+         surface.addHole(hole);
+         Project.getInstance().update(surface);
+       }
+     }
+     Iterator it = edgeToPoints.keySet().iterator();
+     while (it.hasNext()) {
+       Iterator pointIt = ((List)edgeToPoints.get((Edge)it.next())).iterator();
+       while (pointIt.hasNext()) {
+         Vertex point = (Vertex)pointIt.next();
+         Vertex oppositePoint = (Vertex)toToFrom.get(point);
+         List edges = new LinkedList();
+         edges.add(createEdge(point, oppositePoint));
+         Edge oppositeEdge = (Edge)pointToEdge.get(oppositePoint);
+         LinkedList oppositePoints = (LinkedList)edgeToPoints.get(oppositeEdge);
+         int indexOfLower = oppositePoints.indexOf(oppositePoint) + 1;
+         if (indexOfLower < oppositePoints.size()) {
+           Vertex lowerOppositePoint = (Vertex)oppositePoints.get(indexOfLower);
+           edges.add(createEdge(oppositePoint, lowerOppositePoint));
+           Vertex lowerPoint = (Vertex)(fromToTo.get(lowerOppositePoint));
+           edges.add(createEdge(lowerOppositePoint, lowerPoint));
+           edges.add(createEdge(lowerPoint, point));
+           createSurface(edges);
+         }
+       }
+     }
+   } 
+   /**
     * Does appropriate space assignments for the current extrusion. Does 
     * Nothing if nothing has been extruded.
***************
*** 417,475 ****
        for extrusion, and if the "number"-variable has been initialised
      */
      if (dragSurface != null && number != null) {
!       if (number.equals("") && e.getKeyCode() == KeyEvent.VK_MINUS) {
!         number = "-";
!       } else {
!         if (e.getKeyCode() == KeyEvent.VK_1) {
!           number += "1";
!         } else if (e.getKeyCode() == KeyEvent.VK_2) {
!           number += "2";
!         } else if (e.getKeyCode() == KeyEvent.VK_3) {
!           number += "3";
!         } else if (e.getKeyCode() == KeyEvent.VK_4) {
!           number += "4";
!         } else if (e.getKeyCode() == KeyEvent.VK_5) {
!           number += "5";
!         } else if (e.getKeyCode() == KeyEvent.VK_6) {
!           number += "6";
!         } else if (e.getKeyCode() == KeyEvent.VK_7) {
!           number += "7";
!         } else if (e.getKeyCode() == KeyEvent.VK_8) {
!           number += "8";
!         } else if (e.getKeyCode() == KeyEvent.VK_9) {
!           number += "9";
!         } else if (e.getKeyCode() == KeyEvent.VK_0) {
!           number += "0";
!         } else if (e.getKeyCode() == KeyEvent.VK_ENTER) {
!           if (!number.equals("")) {
!             double length = glv.getLength();
!             double delta = extrusion.getLength() - length;
!             Vertex extrusionDir = extrusion.getFrom().minus(extrusion.getTo());
!             Vertex normal = dragSurface.normal();
!             normal.scale(1 / normal.length());
!             if (normal.dot(extrusionDir) > 0) {
!               delta = 0 - delta;
!             }
!             moveDelta(delta);
!             glv.repaint();
!           }
!         } else if (e.getKeyCode() == KeyEvent.VK_BACK_SPACE) {
!           int length = number.length();
!           if (length > 0) {
!             number = number.substring(0, length - 1);
            }
          }
!       } 
!       
!       if (number.equals("-") || number.equals("")) {
!         glv.setLength(0);
!       } else {
!         try {
!           double d = Double.parseDouble(number);
!           glv.setLength(d / 1000);
!         } catch (NumberFormatException exp) {
!           log.warn(exp);
          }
        }
      }
      super.keyPressed(e);
--- 617,672 ----
        for extrusion, and if the "number"-variable has been initialised
      */
+     super.keyPressed(e);
      if (dragSurface != null && number != null) {
!       if (e.getKeyCode() == KeyEvent.VK_1) {
!         number += "1";
!       } else if (e.getKeyCode() == KeyEvent.VK_2) {
!         number += "2";
!       } else if (e.getKeyCode() == KeyEvent.VK_3) {
!         number += "3";
!       } else if (e.getKeyCode() == KeyEvent.VK_4) {
!         number += "4";
!       } else if (e.getKeyCode() == KeyEvent.VK_5) {
!         number += "5";
!       } else if (e.getKeyCode() == KeyEvent.VK_6) {
!         number += "6";
!       } else if (e.getKeyCode() == KeyEvent.VK_7) {
!         number += "7";
!       } else if (e.getKeyCode() == KeyEvent.VK_8) {
!         number += "8";
!       } else if (e.getKeyCode() == KeyEvent.VK_9) {
!         number += "9";
!       } else if (e.getKeyCode() == KeyEvent.VK_0) {
!         number += "0";
!       } else if (e.getKeyCode() == KeyEvent.VK_ENTER) {
!         if (!number.equals("")) {
!           double length = glv.getLength();
!           double delta = extrusion.getLength() - length;
!           Vertex extrusionDir = extrusion.getFrom().minus(extrusion.getTo());
!           Vertex normal = dragSurface.normal();
!           normal.scale(1 / normal.length());
!           if (normal.dot(extrusionDir) > 0) {
!             delta = 0 - delta;
            }
+           moveDelta(delta);
+           glv.repaint();
          }
!       } else if (e.getKeyCode() == KeyEvent.VK_BACK_SPACE) {
!         int length = number.length();
!         if (length > 0) {
!           number = number.substring(0, length - 1);
          }
        }
+     } 
+     
+     if (number.equals("") || number.equals("-")) {
+       glv.setLength(0);
+     } else {
+       try {
+         double d = Double.parseDouble(number);
+         glv.setLength(d / 1000);
+       } catch (NumberFormatException exp) {
+         log.warn(exp);
+       }
      }
      super.keyPressed(e);