class Gbox {

  End pr1, pr2;
  Colr icol;
  Dim idim;
  Pos ipos;
  Boxinfo boxinfo1, boxinfo2;
  Rspecs iroofspecs;
  float irot;
  int done = 0;
  int scaledim = 200;

  Gbox() {
    ipos = new Pos(randpos(scaledim*2), randpos(scaledim*2), randpos(scaledim*2));
    idim = new Dim(randsz(scaledim*3), randsz(scaledim*3), randsz(scaledim*3));
    icol = new Colr(random(100)+100, random(100)+100, random(100));
    irot = random(2);
    iroofspecs = new Rspecs(
        idim.w,                     // width
        idim.d                     // depth
    );
    boxinfo1 = new Boxinfo(ipos, idim, icol, iroofspecs, irot);
    boxinfo2 = new Boxinfo(ipos, idim, icol, iroofspecs, irot);
    pr1 = chooseEnd(boxinfo1, 1);
    pr2 = chooseEnd(boxinfo2, -1);
  }

  End chooseEnd(Boxinfo info, float end) {
    float r = random(3);
    if (r < 1) {
      // Hipend
      // Gableend
      // GableHipend
      return new Hipend(info, end);
    } else if (r < 2) {
      return new Gableend(info, end);
    } else {
      return new GableHipend(info, end);
    }
  }

  void displayboth() {
    pr1.display();
    pr2.display();
    join(pr1, pr2);
    //noStroke();
    //roofjoin(pr1, pr2);
  }
  
  void growboth() {
    if (pr1.done == 0) {
      pr1.grow();
      pr2.grow();
    } else {
      done = pr1.done;
    }
  }

  void join(End pr1, End pr2) {
    //stroke(255,0,0);
    
    float[] tex = new float[2];
    fill(icol.r, icol.g, icol.b);
    pushMatrix();
    translate(pr1.pos.x, height/3, pr1.pos.z);
    if (pr1.rot < 1) {
      rotateY(radians(90));
    }

    beginShape();
    /*
    textureMode(NORMALIZED);
    tint(random(100)+100, random(100)+100, random(100));
    //tint(0,255,255);
    texture(a);
    for(int i = 0; i < pr1.sideA.length; i++) {
      tex = texex(i);
      vertex(pr1.sideA[i].x, pr1.sideA[i].y, pr1.sideA[i].z, tex[0], tex[1]);
    }
    for(int j = pr2.sideA.length-1; j >= 0; j--) {
      tex = texex(3-j);
      vertex(pr2.sideA[j].x, pr2.sideA[j].y, pr2.sideA[j].z, tex[0], tex[1]);
    }
    */
    // same as above w/out texture (u and v)
    for(int i = 0; i < pr1.sideA.length; i++) {
      vertex(pr1.sideA[i].x, pr1.sideA[i].y, pr1.sideA[i].z);
    }
    for(int j = pr2.sideA.length-1; j >= 0; j--) {
      vertex(pr2.sideA[j].x, pr2.sideA[j].y, pr2.sideA[j].z);
    }

    endShape(CLOSE);

    beginShape();
    /*
    textureMode(NORMALIZED);
    texture(a);
    for(int i = 0; i < pr1.sideB.length; i++) { // 0, 1
      tex = texex(i);
      vertex(pr1.sideB[i].x, pr1.sideB[i].y, pr1.sideB[i].z, tex[0], tex[1]);
    }
    for(int j = pr2.sideB.length-1; j >= 0; j--) { // 1, 0
      tex = texex(3-j);
      vertex(pr2.sideB[j].x, pr2.sideB[j].y, pr2.sideB[j].z, tex[0], tex[1]);
    }
    */
    // same as above w/out texture (u and v)
    for(int i = 0; i < pr1.sideB.length; i++) { // 0, 1
      vertex(pr1.sideB[i].x, pr1.sideB[i].y, pr1.sideB[i].z);
    }
    for(int j = pr2.sideB.length-1; j >= 0; j--) { // 1, 0
      vertex(pr2.sideB[j].x, pr2.sideB[j].y, pr2.sideB[j].z);
    }

    endShape(CLOSE);

    popMatrix();
  }

  float[] texex(int iint) {
    float[] tex = { 0, 0 };
    switch(iint) {
      case 1: tex[1] = 1; break;
      case 2: tex[0] = 1; tex[1] = 1; break;
      case 3: tex[0] = 1; break;
    }
    return tex;
  }

  void roofjoin(End pr1, End pr2) {
    stroke(255,0,0);
    fill(80);
    pushMatrix();
    translate(pr1.pos.x, height/3, pr1.pos.z);
//    translate(0, height/3, 0);
    if (pr1.rot < 1) {
      rotateY(radians(90));
    }

    pushMatrix();
    translate(0, -pr1.dim.h, 0);
    /*
    for(int i = 0; i < pr1.roofA.length; i++) {
      vertex(pr1.roofA[i].x, pr1.roofA[i].y, pr1.roofA[i].z);
    }
    for(int j = pr2.roofA.length-1; j >= 0; j--) {
      vertex(pr2.roofA[j].x, pr2.roofA[j].y, pr2.roofA[j].z);
    }
    endShape(CLOSE);

    beginShape();
    for(int i = 0; i < pr1.roofB.length; i++) {
      vertex(pr1.roofB[i].x, pr1.roofB[i].y, pr1.roofB[i].z);
    }
    for(int j = pr2.roofB.length-1; j >= 0; j--) {
      vertex(pr2.roofB[j].x, pr2.roofB[j].y, pr2.roofB[j].z);
    }
    */
    //beginShape();
    //endShape(CLOSE);
    popMatrix();

    popMatrix();
  }

  float randpos(float b) {
    return (random(b/40)*40) - b/2;
  }

  float randsz(float b) {
    return (random(b/40)*40) + 40;
  }

}