// Digital Material Cube 006
// FabLab Japan
// Hiroya Tanaka


// Import Mesh Library 
import toxi.geom.*;
import toxi.geom.mesh.*;
import toxi.geom.mesh.subdiv.*;
import toxi.processing.*;
import toxi.util.*;
import toxi.volume.*;
ToxiclibsSupport gfx;
WETriangleMesh mesh;
 
// Import
import processing.opengl.*;
import javax.media.opengl.*;  
import controlP5.*;
import javax.swing.*;
import SpringGUI.*;
SpringGUI gui; 

// File IO
String getFile; 
String setFile;
String [] txtarray = null;
String txt = null;

// Field 
int FIELD_SIZE = 50;
int FIELD_STEP =  10;

// Camera 
float expo = 1;
float rotx, roty;
float rate = 0.01;

// Resolution of Box
int resolution = 1;
int divide = 0; 

// ControlP5
ControlP5 controlP5;
Textfield tfUserName;       // テキストフィールド
String txts = "";

// Text
PFont  font;  
long   time;  

// Unlekker
import unlekker.data.*;
import unlekker.geom.*;
STL stl;
FaceList poly;

void setup() {
  size(640, 480, OPENGL);    
  gfx=new ToxiclibsSupport(this);
  controlP5 = new ControlP5(this);  
  controlP5.addButton("loadfile",1,10,45,80,19);
  controlP5.addButton("savefile",1,100,45,80,19);
  
  controlP5.addSlider("divide",0,50,10,70,200,20);
  
}


void draw() {

  background(0);
  PGraphicsOpenGL pgl = (PGraphicsOpenGL)g;  

  
  // Lighting
    ambientLight(150, 150, 150);
    directionalLight(255,255,255,-1,0,0);
    pointLight(160, 160, 160, mouseX, mouseY, 200);
    spotLight(100, 100, 100, mouseX, mouseY, 200, 0, 0, -1, PI, 2);
    
  // Camera
  if (getFile == null && setFile == null) {
  rotx = rotx + (mouseY - pmouseY) * rate;
  roty = roty + (mouseX - pmouseX) * rate; 
  } else { 
  rotx = 0;
  roty = 0;
  expo = 1;
  }
  
    
  // FileIO
    if(getFile != null){
    //ファイルを取り込む
    fileLoader(); 
  } 
  
  //Text
  font = createFont("Meiryo", 12);
  textFont(font);
  fill(255,255,255);
  text("06  Mesh Dividing ", 10, 25); 
  
 // Zoom In and Out
if (keyPressed && keyCode==UP) { expo = expo + 0.01; }
if (keyPressed && keyCode==DOWN) { expo = expo - 0.01; }

// 中心を合わせる
  pushMatrix(); 
  translate(320,240,200);
  rotateX(rotx); rotateY(roty);scale(expo);  
    
    

 
  // フレームの描画
  pushStyle();

  stroke(255, 255, 255);  
  FIELD_STEP = FIELD_SIZE*2/resolution;
  
  for(int k = 1; k<=resolution; k = k + 1){
    for(int j = 1; j<=resolution; j = j + 1){
       for(int i = 1; i<=resolution; i = i + 1){
       
          // x
          float x = -FIELD_SIZE + FIELD_STEP*(i - 1);
          float xx = -FIELD_SIZE + FIELD_STEP*(i);
          float realx = (x + xx)/2; 
          // y
          float y = -FIELD_SIZE + FIELD_STEP*(j - 1);
          float yy = -FIELD_SIZE + FIELD_STEP*(j);
          float realy = (y + yy)/2; 
          // z
          float z = -FIELD_SIZE + FIELD_STEP*(k - 1);
          float zz = -FIELD_SIZE + FIELD_STEP*(k);
          float realz = (z + zz)/2; 
        
        pushMatrix(); 
        translate(realx,realy,realz);
        noFill();
        box(FIELD_STEP ,FIELD_STEP ,FIELD_STEP );
        popMatrix();
       }
    }
  }

  popStyle();
  

    // STL書き出し
    if(setFile != null){
   beginRaw("unlekker.data.STL",setFile+".stl");
   println("start :"+setFile);
  }
  
  // メッシュの描画

  
  if(poly!=null) {
    //poly.draw(this);
    
      for(int q = 0; q< poly.f.length; q= q + 1){
        
        // 1 to 2        
        float vecax = poly.f[q].v[6] - poly.f[q].v[3]; float vecay = poly.f[q].v[7] - poly.f[q].v[4]; float vecaz = poly.f[q].v[8] - poly.f[q].v[5];
        // 2 to 3
        float vecbx = poly.f[q].v[9] - poly.f[q].v[6]; float vecby = poly.f[q].v[10] - poly.f[q].v[7]; float vecbz = poly.f[q].v[11] - poly.f[q].v[8];
        // 3 to 1 
        float veccx = poly.f[q].v[9] - poly.f[q].v[3]; float veccy = poly.f[q].v[10] - poly.f[q].v[4]; float veccz = poly.f[q].v[11] - poly.f[q].v[5];
            

        
           beginShape(TRIANGLES); 
    
           vertex(poly.f[q].v[3] + vecax * divide/100  ,poly.f[q].v[4]  + vecay * divide/100 , poly.f[q].v[5]  + vecaz * divide/100); 
           vertex(poly.f[q].v[6] + vecbx * divide/100  ,poly.f[q].v[7]  + vecby * divide/100 , poly.f[q].v[8]  + vecbz * divide/100);  
           vertex(poly.f[q].v[9] - veccx * divide/100  ,poly.f[q].v[10] -  veccy * divide/100 , poly.f[q].v[11] - veccz * divide/100);  
            
           endShape();
        
      }
  }
  

  
    // ボクセルの描画  
  pushStyle();
  noStroke();
  noFill();
  int len = txts.length(); 
  int l = 0;
  
  FIELD_STEP = FIELD_SIZE*2/resolution;

  for(int k = 1; k<=resolution; k = k + 1){
    for(int j = 1; j<=resolution; j = j + 1){
       for(int i = 1; i<=resolution; i = i + 1){
       
          //x
          float x = -FIELD_SIZE + FIELD_STEP*(i - 1);
          float xx = -FIELD_SIZE + FIELD_STEP*(i);
          float realx = (x + xx)/2; 
          //y
          float y = -FIELD_SIZE + FIELD_STEP*(j - 1);
          float yy = -FIELD_SIZE + FIELD_STEP*(j);
          float realy = (y + yy)/2; 
          //z
          float z = -FIELD_SIZE + FIELD_STEP*(k - 1);
          float zz = -FIELD_SIZE + FIELD_STEP*(k);
          float realz = (z + zz)/2; 
        
         pushMatrix();
         translate(realx,realy,realz); 
         if (len >0) {
         if (txts.charAt(l)=='1') { fill(200,200,200); box(FIELD_STEP,FIELD_STEP,FIELD_STEP); }
         }
         l=l+1; 
         if (l > len-1) { l = 0; }
            
         popMatrix();
       }
    }
  }
  popStyle();
    popMatrix(); 
   // STL書き出し終了
  if(setFile !=null) {
  endRaw();   
 setFile = null;
   println("end");
  }
  
  // α合成を有効にする
  GL gl = pgl.beginGL();
  gl.glEnable(GL.GL_BLEND);
  gl.glBlendFunc(GL.GL_SRC_ALPHA, GL.GL_ONE_MINUS_SRC_ALPHA);  
  gl.glDisable(GL.GL_DEPTH_TEST);
  pgl.endGL();
  

    // GUI コンポーネント描画のための設定
  camera();
  gl = pgl.beginGL();
  gl.glDisable(GL.GL_DEPTH_TEST);  // 深度テストを無効化
  gl.glEnable(GL.GL_BLEND);
  gl.glBlendFunc(GL.GL_SRC_ALPHA, GL.GL_ONE_MINUS_SRC_ALPHA);  
  pgl.endGL();
}


// テキストが入力された際にコールバックされるメソッド
public synchronized void textfield(String txt) {
    txts = txt; 
}


public void loadfile(int theValue) {
    getFile = getFileName();
}


public void savefile(int theValue) {
     setFile = setFileName();
}