Android Open Source - TreeFrogEngine Text Display

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Back to project page TreeFrogEngine.
License

The source code is released under:
MIT License
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Java Source Code

package com.discretesoftworks.framework;
//from  w  ww. jav  a  2  s .c om


public class TextDisplay extends GameObject implements TextHolder{

  private String text;
  private RenderModel[] displayText;
  private GameFont myFont;
  private boolean hudElement;
  private float size;
  private int length;
  private int hAlign;
  
  public TextDisplay(float x, float y, float z, GameFont myFont, int length, float size){
    super(x,y,z,2,2,null);
    this.myFont = myFont;
    this.length = length;
    this.size = size;
    this.text = "";
    this.hAlign = FA_LEFT;
    hudElement = false;
    displayText = new RenderModel[this.length];
    for (int i = 0; i < this.length; i++){
      displayText[i]  = GameRenderer.s_instance.getNewModel(getX(),getY(),1,1,null);
      displayText[i].setZ(z);
      displayText[i].setVisible(false);
    }
  }
  
  public void setLength(int length){
    this.length = length;
    displayText = new RenderModel[this.length];
    for (int i = 0; i < this.length; i++){
      displayText[i]  = GameRenderer.s_instance.getNewModel(getX(),getY(),1,1,null);
      displayText[i].setVisible(false);
    }
    System.gc();
  }
  
  public void setSize(int size){
    this.size = size;
    setText(text);
  }
  
  public void setHAlign(int hAlign){
    if (hAlign >0 && hAlign <= 3){
      this.hAlign = hAlign;
      setText(text);
    }
  }
  
  public void setHudElement(boolean h){
    hudElement = h;
    setText(text);
  }
  
  @Override
  public void setColor(float r, float g, float b, float a){
    for (int i = 0; i < displayText.length; i++){
      displayText[i].setColor(r,g,b,a);
    }
  }
  
  public int getTextWidth(){
    int width = 0;
    for (int i = 0; i < this.text.length(); i++){
      if (text.charAt(i) == '\n'){
      }
      else {
        displayText[i].setSprite(myFont.getLetter(text.charAt(i)));
        float w = displayText[i].getSprite().getWidth();
        float h = displayText[i].getSprite().getLength();
        float scale = (float)size/h;
        displayText[i].setWidth((int)(w*scale));
        displayText[i].setLength((int)(h*scale));
        width += displayText[i].getSprite().getMaskWidth()*scale;
      }
    }
    return width;
  }
  
  public void setText(String text){
    if (text.length() > this.length){
      text = text.substring(0,this.length);
    }
    this.text = text;
    
    float x = getX();
    if (hAlign == FA_CENTER) {
      x -= getTextWidth()/2;
    } else if (hAlign == FA_RIGHT) {
      x -= getTextWidth();
    }
    float y = getY();
    for (int i = 0; i < displayText.length; i++){
      displayText[i].setVisible(false);
      displayText[i].setHudElement(hudElement);
    }
    for (int i = 0; i < this.text.length(); i++){
      if (text.charAt(i) == '\n'){
        y += size + 2;
        x = getX();
      }
      else  {
        displayText[i].setSprite(myFont.getLetter(text.charAt(i)));
        float w = displayText[i].getSprite().getWidth();
        float h = displayText[i].getSprite().getLength();
        float scale = (float)size/h;
        displayText[i].setWidth(w*scale);
        displayText[i].setLength(h*scale);
        displayText[i].createSquare(w*scale, h*scale);
        displayText[i].setLeft(x);
        displayText[i].setTop(y);
        displayText[i].setZ(getZ());
        displayText[i].setVisible(true);
        x += displayText[i].getSprite().getMaskWidth()*scale;
      }
    }
  }
  
  @Override
  public void changeX(float dx){
    for (int i = 0; i < displayText.length; i++){
      displayText[i].changeX(dx);
    }
    super.changeX(dx);
  }
  
  @Override
  public void changeY(float dy){
    for (int i = 0; i < displayText.length; i++){
      displayText[i].changeY(dy);
    }
    super.changeY(dy);
  }
  
  @Override
  public void setX(float x){
    changeX(x-getX());
  }
  
  @Override
  public void setY(float y){
    changeY(y-getY());
  }
  
  @Override
  public void update(float deltaTime){
    for (int i = 0; i < displayText.length; i++){
      displayText[i].remakeModelMatrix();
    }
  }
  
  @Override
  public String getText(){
    return text;
  }
  
  public void setDir(int xyz, float dir){
    for (int i = 0; i < text.length(); i++){
      displayText[i].setFDir(xyz,dir);
    }
  }
  
  public void setVisible(boolean visible){
    for (int i = 0; i < text.length(); i++){
      displayText[i].setVisible(visible);
    }
    super.setVisible(visible);
  }
  
  @Override
  public void draw(float[] vpMatrix){
    for (int i = 0; i < displayText.length; i++){
      displayText[i].draw(vpMatrix);
    }
  }
  
}
Java Source Code List
