X-Git-Url: http://git.megacz.com/?p=anneal.git;a=blobdiff_plain;f=src%2Fedu%2Fberkeley%2Fqfat%2FMeshViewer.java;h=a3b591b1cbc6aab6799e1f971341fce7f9054f82;hp=3192c83137f2a85cb2b8902b5faa14ce05f3f40b;hb=076fc38f95ee874e4bb01e03cb1021f5d137f35e;hpb=6fc720977d26dc1f154a3c0802c3beabd347d673

diff --git a/src/edu/berkeley/qfat/MeshViewer.java b/src/edu/berkeley/qfat/MeshViewer.java
index 3192c83..a3b591b 100644
--- a/src/edu/berkeley/qfat/MeshViewer.java
+++ b/src/edu/berkeley/qfat/MeshViewer.java
@@ -1,25 +1,181 @@
 package edu.berkeley.qfat;
+import java.io.*;
+import java.nio.*;
 import java.awt.*;
 import java.awt.event.*;
 import javax.swing.*;
 import javax.media.opengl.*;
 import javax.media.opengl.glu.*;
+import com.sun.opengl.util.*;
 import java.util.*;
 import edu.berkeley.qfat.geom.*;
 import edu.berkeley.qfat.geom.Point;
 
-public class MeshViewer implements GLEventListener, MouseListener, MouseMotionListener, KeyListener, MouseWheelListener  {
+public class MeshViewer implements GLEventListener, MouseListener, MouseMotionListener, KeyListener, MouseWheelListener {
 
-    public Mesh tile = new Mesh();
-    public Mesh goal = new Mesh();
-    public Matrix[] translations;
-    public Mesh.Vert[] points;
+    Mesh.Vertex closest = null;
 
+    private HashSet<Mesh> meshes = new HashSet<Mesh>();
+    public synchronized void addMesh(Mesh m) { meshes.add(m); }
+    public synchronized void removeMesh(Mesh m) { meshes.remove(m); }
+
+    private int mousex;
+    private int mousey;
+    private Matrix projection = null;
+    private Point clickPoint = null;
+
+    GLCanvas glcanvas;
+
+    Point clickClosest = null;
+
+    float tz = 0;
+    float anglex = 0;
+    float angley = 0;
 
     boolean alt = false;
     boolean shift = false;
     boolean control = false;
 
+    public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) { }
+    public void displayChanged(GLAutoDrawable drawable, boolean modeChanged, boolean deviceChanged) { }
+
+    public synchronized void init(GLAutoDrawable gld) {
+        GL gl = gld.getGL();
+        gl.glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
+        gl.glViewport(0, 0, 500, 300);
+        gl.glEnable(GL.GL_DEPTH_TEST);
+        gl.glClearDepth(1.0);
+        gl.glDepthFunc(GL.GL_LEQUAL);
+        gl.glMatrixMode(GL.GL_PROJECTION);
+        gl.glLoadIdentity();
+        gl.glMatrixMode(GL.GL_MODELVIEW);
+
+        float mat_specular[] = { 0.5f, 0.5f, 0.5f, 0.5f };
+        float mat_shininess[] = { 50.0f };
+        gl.glShadeModel(GL.GL_SMOOTH);
+        //gl.glMaterialfv(GL.GL_FRONT, GL.GL_DIFFUSE, mat_specular, 0);
+        //gl.glMaterialfv(GL.GL_FRONT, GL.GL_SPECULAR, mat_specular, 0);  
+        //gl.glMaterialfv(GL.GL_FRONT, GL.GL_AMBIENT, new float[] { 0.3f, 0.3f, 0.3f, 0.3f }, 0);  
+        //gl.glMaterialfv(GL.GL_FRONT, GL.GL_SHININESS, mat_shininess, 0);
+        gl.glLightfv(GL.GL_LIGHT0, GL.GL_POSITION, new float[] { 1.0f,    4.0f,  -10.0f, 0.0f }, 0);
+        gl.glLightfv(GL.GL_LIGHT1, GL.GL_POSITION, new float[] { -10.0f, 10.0f,   10.0f, 0.0f }, 0);
+        gl.glLightfv(GL.GL_LIGHT2, GL.GL_POSITION, new float[] { 10.0f, -10.0f,   10.0f, 0.0f }, 0);
+        gl.glLightfv(GL.GL_LIGHT3, GL.GL_POSITION, new float[] { 10.0f,  10.0f,  -10.0f, 0.0f }, 0);
+        gl.glLightfv(GL.GL_LIGHT4, GL.GL_POSITION, new float[] { -10.0f, 10.0f,  -10.0f, 0.0f }, 0);
+        gl.glLightfv(GL.GL_LIGHT5, GL.GL_POSITION, new float[] { 10.0f, -10.0f,  -10.0f, 0.0f }, 0);
+        gl.glEnable(GL.GL_LIGHTING);
+        gl.glEnable(GL.GL_LIGHT0);
+
+        gl.glColorMaterial(GL.GL_FRONT_AND_BACK, GL.GL_AMBIENT_AND_DIFFUSE);
+        gl.glEnable(GL.GL_COLOR_MATERIAL);
+
+        display(gld);
+    }
+
+    public synchronized final void display(GLAutoDrawable drawable) {
+        GL gl = drawable.getGL();
+        glcanvas.setSize(glcanvas.getParent().getWidth(), glcanvas.getParent().getHeight() - 100);
+
+        GLU glu = new GLU();
+        gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);
+        gl.glPointSize(5.0f);
+        gl.glLoadIdentity();
+        glu.gluPerspective(50, ((float)drawable.getWidth())/drawable.getHeight(), 0.5, 10);
+
+        glu.gluLookAt(0, 0, -((tz/10)-1), 0, 0, 0, 0, 1, 0);
+        gl.glRotatef(anglex/3, 0, 1, 0);
+        gl.glRotatef(-(angley/3), 1, 0, 0);
+
+        for(Mesh mesh : meshes)
+            mesh.render(gl, Matrix.ONE);
+
+        // highlight the point closest to the mouse; we do this here to avoid flicker
+        gl.glDisable(GL.GL_LIGHTING);
+        gl.glShadeModel(GL.GL_FLAT);
+        if (closest != null) {
+            gl.glColor3f(1,1,1);
+            gl.glBegin(gl.GL_POINTS);
+            closest.getPoint().glVertex(gl);
+            gl.glEnd();
+        }
+
+        // update vertex visibilities
+        // FIXME: only do this when we switch into vertex-finding mode
+        updateVisibility(gl);
+
+        Matrix projection = Matrix.getProjectionMatrix(gl);
+        double dist = Double.MAX_VALUE;
+        if (getMouseClick() != null) return;
+        closest = null;
+        for(Mesh mesh : meshes)
+            if (mesh.option_selectable)
+                for(Mesh.Vertex v : mesh.vertices()) {
+                    if (!v.visible) continue;
+                    Point p = projection.times(v.getPoint());
+                    int x = (int)p.x;
+                    int y = (int)p.y;
+                    int mousex = (int)getMouse().x;
+                    int mousey = (int)getMouse().y;
+                    if (closest==null || (x-mousex)*(x-mousex)+(y-mousey)*(y-mousey) < dist) {
+                        dist = (x-mousex)*(x-mousex)+(y-mousey)*(y-mousey);
+                        closest = v;
+                    }
+                }
+
+        projection = Matrix.getProjectionMatrix(gl);
+    }
+
+    protected synchronized void updateVisibility(GL gl) {
+        Matrix projection = Matrix.getProjectionMatrix(gl);
+        IntBuffer buf = ByteBuffer.allocateDirect(9*4*4).order(ByteOrder.nativeOrder()).asIntBuffer();
+        gl.glFlush();
+        gl.glDrawBuffer(GL.GL_BACK);
+        gl.glReadBuffer(GL.GL_BACK);
+        gl.glPixelStorei(GL.GL_PACK_ALIGNMENT, 1);
+        gl.glFlush();
+        gl.glDisable(GL.GL_LIGHTING);
+        gl.glShadeModel(GL.GL_FLAT);
+        gl.glColor3f(0,0,0);
+        gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);
+        for(Mesh mesh : meshes) mesh.render(gl, Matrix.ONE);
+        for(Mesh mesh : meshes)
+            if (mesh.option_selectable)
+                for(Mesh.Vertex v : mesh.vertices()) {
+                    Point p = v.getPoint();
+                    gl.glColor3f(1,1,1);
+                    gl.glBegin(gl.GL_POINTS);
+                    p.glVertex(gl);
+                    gl.glEnd();
+                    gl.glFlush();
+                    
+                    Point projected = projection.times(p);
+                    gl.glReadPixels((int)projected.x-1, (int)projected.y-1, 3, 3, gl.GL_RGB, gl.GL_UNSIGNED_BYTE, buf);
+                    
+                    boolean vis = false;
+                    for(int j=0; j<9*4; j++) vis |= buf.get(j)!=0;
+                    v.visible = vis;
+                    if (vis) {
+                        gl.glColor3f(0,0,0);
+                        gl.glBegin(gl.GL_POINTS);
+                        p.glVertex(gl);
+                        gl.glEnd();
+                    }
+                }
+        gl.glShadeModel(GL.GL_SMOOTH);
+        gl.glEnable(GL.GL_LIGHTING);
+        gl.glDrawBuffer(GL.GL_FRONT);
+    }
+
+    /** return the position of the mouse as a point in window-space */
+    public Point getMouse() {
+        return new Point(mousex, glcanvas.getHeight()-mousey, 0);
+    }
+
+    /** return the position where the mouse button was pressed, or null if it is not currently pressed */
+    public Point getMouseClick() {
+        return clickPoint;
+    }
+
     public void mouseWheelMoved(MouseWheelEvent e) {
         tz -= e.getWheelRotation();
     }
@@ -32,6 +188,7 @@ public class MeshViewer implements GLEventListener, MouseListener, MouseMotionLi
             case KeyEvent.VK_SHIFT: shift = true; break;
         }
     }
+
     public void keyReleased(KeyEvent e) {
         switch(e.getKeyCode()) {
             case KeyEvent.VK_CONTROL: control = false; break;
@@ -43,25 +200,30 @@ public class MeshViewer implements GLEventListener, MouseListener, MouseMotionLi
     public void mouseClicked(MouseEvent e) { }
     public void mouseEntered(MouseEvent e) { }
     public void mouseExited(MouseEvent e) { }
-    public void mousePressed(MouseEvent e) { }
-    public void mouseReleased(MouseEvent e) { }
+    public void mousePressed(MouseEvent e) {
+        clickPoint = getMouse();
+        clickClosest = closest == null ? null : closest.getPoint();
+    }
+
+    public void mouseReleased(MouseEvent e) {
+        clickPoint = null;
+        clickClosest = null;
+    }
 
-    int mousex;
-    int mousey;
     public void mouseMoved(MouseEvent e) {
         mousex = e.getX();
         mousey = e.getY();
     }
 
-    float tx = 0;
-    float ty = 0;
-    float tz = 0;
-    float anglex = 0;
-    float angley = 0;
     public void mouseDragged(MouseEvent e) {
         if (shift) {
-            tx += (mousex - e.getX())/(float)20;
-            ty += (mousey - e.getY())/(float)20;
+            if (closest != null && projection != null && clickClosest != null) {
+                synchronized(this) {
+                    Vec d1 = projection.inverse().times(getMouse()).minus(projection.inverse().times(clickPoint));
+                    Vec delta = d1.plus(clickClosest).minus(closest.getPoint());
+                    closest.move(delta, false);
+                }
+            }
         } else {
             anglex -= mousex - e.getX();
             angley += mousey - e.getY();
@@ -70,135 +232,18 @@ public class MeshViewer implements GLEventListener, MouseListener, MouseMotionLi
         mousey = e.getY();
     }
 
-    /**
-     * Take care of initialization here.
-     */
-    public void init(GLAutoDrawable gld) {
-        GL gl = gld.getGL();
-        gl.glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
-        gl.glViewport(0, 0, 500, 300);
-        gl.glEnable(GL.GL_DEPTH_TEST);
-        gl.glClearDepth(1.0);
-        gl.glDepthFunc(GL.GL_LEQUAL);
-        gl.glMatrixMode(GL.GL_PROJECTION);
-        gl.glLoadIdentity();
-        gl.glMatrixMode(GL.GL_MODELVIEW);
-        display(gld);
-    }
-
-    public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) { }
-    public void displayChanged(GLAutoDrawable drawable, boolean modeChanged, boolean deviceChanged) { }
-    public synchronized void display(GLAutoDrawable drawable) {
-        GL gl = drawable.getGL();
-        GLU glu = new GLU();
-        gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);
-        gl.glPointSize(5.0f);
-        gl.glLoadIdentity();
-        glu.gluPerspective(50-tz, ((float)drawable.getWidth())/drawable.getHeight(), 0.5, 10);
-        glu.gluLookAt(0, 0, -1, 0, 0, 0, 0, 1, 0);
-        gl.glTranslatef(tx/(float)20, ty/(float)20, 0);
-        gl.glRotatef(anglex/3, 0, 1, 0);
-        gl.glRotatef(angley/3, 1, 0, 0);
-
-        gl.glBegin(GL.GL_TRIANGLES);
-        draw(gl, true, tile);
-        gl.glEnd();
-
-        gl.glBegin(GL.GL_TRIANGLES);
-        gl.glColor4f((float)0.5, (float)0.5, (float)0.5, (float)0.8);
-        //draw(gl, false, goal);
-        gl.glEnd();
-
-
-        int i = 0;
-        //gl.glDisable(GL.GL_DEPTH_TEST);
-        gl.glColor4f(1,1,1,1);
-        for(Matrix m : translations) {
-            //if (v1.z==0 && v1.y==0) continue;
-            i++;
-            if (i != 1 /*&& i!=4*/) continue;
-            Point p = new Point(0, 0, 0).times(m);
-            Vec v = new Vec(p.x, p.y, p.z);
-            v = v.times((float)1.04);
-            gl.glTranslatef(v.x, v.y, v.z);
-            draw(gl, false, tile);
-            gl.glTranslatef(-v.x, -v.y, -v.z);
-        }
-        //gl.glEnable(GL.GL_DEPTH_TEST);
-    }
-
-    private synchronized void draw(GL gl, boolean triangles, Mesh mesh) {
-        float red = 0.0f;
-        float green = 0.0f;
-        float blue = 0.0f;
-        for(Mesh.T t : mesh) {
-            if (red < 0.15) red = 1.0f;
-            if (green < 0.15) green = 1.0f;
-            if (blue < 0.15) blue = 1.0f;
-            red -= .09f;
-            green -= .12f;
-            blue -= .15f;
-
-            if (triangles) switch(t.color) {
-                case 0: gl.glColor4f((float)0.25, (float)0.25, (float)0.75, (float)0.3); break;
-                case 1: gl.glColor4f((float)0.25, (float)0.75, (float)0.25, (float)0.3); break;
-                case 2: gl.glColor4f((float)0.75, (float)0.25, (float)0.25, (float)0.3); break;
-                case 3: gl.glColor4f((float)0.50, (float)0.50, (float)0.50, (float)0.3); break;
-            }
-            //gl.glBegin(GL.GL_LINES);
-
-            if (triangles) {
-                gl.glBegin(GL.GL_TRIANGLES);
-                t.glVertices(gl);
-                gl.glEnd();
-            } else {
-                gl.glBegin(GL.GL_LINES);
-                t.e1().p1.p.glVertex(gl);
-                t.e1().p2.p.glVertex(gl);
-                t.e2().p1.p.glVertex(gl);
-                t.e2().p2.p.glVertex(gl);
-                t.e3().p1.p.glVertex(gl);
-                t.e3().p2.p.glVertex(gl);
-                gl.glEnd();
-            }
-
-            Point centroid = t.centroid();
-            gl.glBegin(GL.GL_LINES);
-            gl.glColor3f(1, 1, 1);
-            /*
-            centroid.glVertex(gl);
-            centroid.plus(t.norm().times(t.diameter())).glVertex(gl);
-            */
-
-            if (mesh==goal)
-                for(Mesh.Vert p : new Mesh.Vert[] { t.v1(), t.v2(), t.v3() }) {
-                    p.p.glVertex(gl);
-                    //p.plus(p.norm().times(p.score()*10)).glVertex(gl);
-                    //p.partner().p.glVertex(gl);
-                    //tile.nearest(p).centroid().glVertex(gl);
-                }
-
-            gl.glEnd();
-
-        }
-    }
-
-    private GLCanvas glcanvas;
-    public MeshViewer(Frame f) {
-        GLCapabilities glcaps = new GLCapabilities();
+    public MeshViewer(JFrame f) {
         glcanvas = new GLCanvas();
         glcanvas.addGLEventListener(this);
         f.add(glcanvas, BorderLayout.CENTER);
-        f.pack();
-        f.show();
-        f.setSize(900, 900);
-        f.doLayout();
         glcanvas.addMouseListener(this);
         glcanvas.addMouseMotionListener(this);
         glcanvas.addMouseWheelListener(this);
         glcanvas.addKeyListener(this);
     }
+
     public void repaint() {
         glcanvas.repaint();
     }
+
 }
\ No newline at end of file