checkpoint

[anneal.git] / src / edu / berkeley / qfat / Viewer.java

diff --git a/src/edu/berkeley/qfat/Viewer.java b/src/edu/berkeley/qfat/Viewer.java
index 5b33872..b879650 100644 (file)
--- a/src/edu/berkeley/qfat/Viewer.java
+++ b/src/edu/berkeley/qfat/Viewer.java
@@ -39,13 +39,93 @@ public abstract class Viewer implements GLEventListener, MouseListener, MouseMot
     public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) { }
     public void displayChanged(GLAutoDrawable drawable, boolean modeChanged, boolean deviceChanged) { }
 
     public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) { }
     public void displayChanged(GLAutoDrawable drawable, boolean modeChanged, boolean deviceChanged) { }
 

+    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);
+
+        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 abstract void _display(GLAutoDrawable drawable, GL gl);
     public abstract void _display(GLAutoDrawable drawable, GL gl);

-    public void display(GLAutoDrawable drawable) {
+    public final void display(GLAutoDrawable drawable) {

         GL gl = drawable.getGL();
         _display(drawable, gl);
         this.projection = Matrix.getProjectionMatrix(gl);
         GL gl = drawable.getGL();
         _display(drawable, gl);
         this.projection = Matrix.getProjectionMatrix(gl);

+        updateVisibility(gl, tile);
+    }
+
+    private void updateVisibility(GL gl, Mesh mesh) {
+        IntBuffer buf = ByteBuffer.allocateDirect(9*4*4).order(ByteOrder.nativeOrder()).asIntBuffer();
+        gl.glColor3f(0,0,0);
+        gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);
+        double dist = Double.MAX_VALUE;
+        if (clickPoint==null) closest = null;
+        synchronized(this) {
+            for(Mesh.T t : mesh)
+                t.glTriangle(gl, null);
+            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);
+                int x = (int)projected.x;
+                int y = (int)projected.y;
+                gl.glReadPixels(x-1, 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();
+                    y = glcanvas.getHeight()-y;
+                    if (clickPoint==null) {
+                        if (closest==null || (x-mousex)*(x-mousex)+(y-mousey)*(y-mousey) < dist) {
+                            dist = (x-mousex)*(x-mousex)+(y-mousey)*(y-mousey);
+                            closest = v;
+                        }
+                    }
+                }
+            }
+        }
+        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 of the mouse as a point in window-space */
     public Point getMouse() {
         return new Point(mousex, glcanvas.getHeight()-mousey, 0);