Android Open Source - min3d Texture List

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License

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

package com.min3d.lib.core;
/*www.j a  v a2s  .  c  om*/
import com.min3d.lib.Shared;
import com.min3d.lib.vos.TextureVo;

import java.util.ArrayList;

/**
 * Manages a list of TextureVo's used by Object3d's.
 * This allows an Object3d to use multiple textures. 
 * 
 * If more textures are added than what's supported by the hardware  
 * running the application, the extra items are ignored by Renderer
 * 
 * Uses a subset of ArrayList's methods. 
 */
public class TextureList  
{
  private ArrayList<TextureVo> _t;
  
  
  public TextureList()
  {
    _t = new ArrayList<TextureVo>();
  }
  
  /**
   * Adds item to the list 
   */
  public boolean add(TextureVo $texture)
  {
    if (! Shared.textureManager().contains($texture.textureId)) return false;
    return _t.add($texture);
  }
  
  /**
   * Adds item at the given position to the list 
   */
  public void add(int $index, TextureVo $texture)
  {
    _t.add($index, $texture);
  }
  
  /**
   * Adds a new TextureVo with the given textureId to the list, and returns that textureVo  
   */
  public TextureVo addById(String $textureId)
  {
    if (! Shared.textureManager().contains($textureId)) {
      throw new Error("Could not create TextureVo using textureId \"" + $textureId + "\". TextureManager does not contain that id.");
    }
    
    TextureVo t = new TextureVo($textureId);
    _t.add(t);
    return t;
  }
  
  /**
   * Adds texture as the sole item in the list, replacing any existing items  
   */
  public boolean addReplace(TextureVo $texture)
  {
    _t.clear();
    return _t.add($texture);
  }
  
  /**
   * Removes item from the list 
   */
  public boolean remove(TextureVo $texture)
  {
    return _t.remove($texture);
  }
  
  /**
   * Removes item with the given textureId from the list 
   */
  public boolean removeById(String $textureId)
  {
    TextureVo t = this.getById($textureId);
    if (t == null) {
      throw new Error("No match in TextureList for id \"" + $textureId + "\"");
    }
    return _t.remove(t);
  }
  
  public void removeAll()
  {
    for (int i = 0; i < _t.size(); i++)
      _t.remove(0);
  }
  
  /**
   * Get item from the list which is at the given index position 
   */
  public TextureVo get(int $index)
  {
    return _t.get($index);
  }
  
  /**
   * Gets item from the list which has the given textureId
   */
  public TextureVo getById(String $textureId)
  {
    for (int i = 0; i < _t.size(); i++) {
      String s = _t.get(i).textureId;
      if ($textureId == s) {
        TextureVo t = _t.get(i);
        return t;
      }
    }
    return null;
  }
  
  public int size()
  {
    return _t.size();
  }
  
  public void clear()
  {
    _t.clear();
  }
  
  /**
   * Return a TextureVo array of TextureList's items 
   */
  public TextureVo[] toArray()
  {
    Object[] a = _t.toArray();
    TextureVo[] ret = new TextureVo[a.length];
    for (int i = 0; i < _t.size(); i++)
    {
      ret[i] = (TextureVo)_t.get(i);
    }
    return ret;
  }
  
  /**
   * Returns a String Array of the textureIds of each of the items in the list 
   */
  public String[] getIds()
  {
    // BTW this makes a casting error. Why?
    // (TextureVo[])_t.toArray();

    String[] a = new String[_t.size()];
    for (int i = 0; i < _t.size(); i++)
    {
      a[i] = _t.get(i).textureId;
    }
    return a;
  }
}
Java Source Code List
