// Digital Material Cube 002
// FabLab Japan
// Hiroya Tanaka

// Import
//import processing.opengl.*;
//import javax.media.opengl.*;  
import controlP5.*;
import javax.swing.*;
import SpringGUI.*;
import unlekker.data.*;
SpringGUI gui; 

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

// 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;

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

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

// Resolution of Box
public int resolution = 1;
public int transparency = 0;
float ratio = 0;

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

// Text
PFont  font;  
long   time;  



void setup() {

  size(640, 480, P3D);    

  controlP5 = new ControlP5(this);  
  controlP5.addSlider("transparency",0,100,10,65,200,20);
  controlP5.addSlider("resolution",1,48,10,40,200,20);
  controlP5.addButton("savefile",10,10,450,80,19);
}


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) {
    if (mousePressed) {
      rotx = rotx + (mouseY - pmouseY) * rate;
      roty = roty + (mouseX - pmouseX) * rate;
    }
  } 
  else { 
    rotx = 0;
    roty = 0;
    expo = 1;
  }

  //Text
  font = createFont("Meiryo", 12);
  textFont(font);
  fill(255,255,255);
  text("02 Transparency", 10, 25); 

  // Zoom In and Out
  if (keyPressed && keyCode==UP) { 
    expo = expo + 0.01;
  }
  if (keyPressed && keyCode==DOWN) { 
    expo = expo - 0.01;
  }

  // フレームの描画
  pushStyle();
  translate(320,240,200);
  rotateX(rotx); 
  rotateY(roty);
  scale(expo);

  stroke(255, 255, 255, 20);  
  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();

  // ボクセルの描画

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

  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); 

        l = l + transparency;
        if ( l>=100 ) { 
          fill(200,200,200);  
          box(FIELD_STEP,FIELD_STEP,FIELD_STEP);
          l = l - 100;
        }     



        popMatrix();
      }
    }
  }
  popStyle();

  // 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;
}

// Saveボタン
public void savefile(int theValue) {
  setFile = setFileName();
}