Android Open Source - minecraft-connect-4 Texture

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License

The source code is released under:

MIT License

Java Source Code

/* COPYRIGHT (C) 2014 Aleksandr Belkin. All Rights Reserved. */
package sq.squ1rr.mcc4.board;
/*w w  w. j  a va  2  s.  com*/
import javax.microedition.khronos.opengles.GL10;

import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.opengl.GLUtils;
import sq.squ1rr.mcc4.R;

/**
 * Initialises textures and saves some info about them.
 * @author Aleksandr Belkin
 */
public enum Texture {
    MENU      (R.drawable.menu),            // menu button
    DIRT      (R.drawable.dirt_dark_hd),    // dirt texture
    GRASS     (R.drawable.grass_hd),        // grass texture
    PLAYER1   (R.drawable.player),          // player sprite
    PLAYER2   (-1),                         // opponent sprite (defined later)
    TOKEN1    (-1),                         // player #1 token (defined later)
    TOKEN2    (-1);                         // player #2 token (defined later)
    
    /** hold resource ID for the texture */
    private int resourceId;
    
    /** OpenGL texture ID */
    private int textureId;
    
    /** texture width */
    private int width;
    
    /** texture height */
    private int height;
    
    /**
     * Constructor
     * @param _resourceId
     */
    Texture(int _resourceId) {
        resourceId = _resourceId;
    }
    
    /**
     * Set custom resource ID
     * @param _resourceId
     */
    public void setResource(int _resourceId) {
        resourceId = _resourceId;
    }
    
    /**
     * Returns resource ID
     * @return
     */
    public int getResource() {
        return resourceId;
    }
    
    /**
     * Loads texture from resources to OpenGL texture
     * @param gl
     * @param context
     * @param _textureId
     */
    public void load(GL10 gl, Context context, int _textureId) {
        textureId = _textureId;
        
        // bind texture
        gl.glBindTexture(GL10.GL_TEXTURE_2D, textureId);
        
        // create nearest filtered texture
        gl.glTexParameterf(
            GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_MIN_FILTER, GL10.GL_NEAREST
        );
        gl.glTexParameterf(
            GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_MAG_FILTER, GL10.GL_LINEAR
        );
        
        // load bitmap
        Bitmap bitmap = BitmapFactory.decodeResource(
            context.getResources(), resourceId
        );
        
        // create two-dimensional texture image from our bitmap 
        GLUtils.texImage2D(GL10.GL_TEXTURE_2D, 0, bitmap, 0);
        
        width = bitmap.getWidth();
        height = bitmap.getHeight();
        
        // Clean up
        bitmap.recycle();
    }
    
    /**
     * Sets texture ID
     * @param _textureId
     */
    public void set(int _textureId) {
        textureId = _textureId;
    }
    
    /**
     * Returns texture ID
     * @return
     */
    public int get() {
        return textureId;
    }
    
    /**
     * Returns height of the texture
     * @return
     */
    public int getHeight() {
        return height;
    }
    
    /**
     * Returns width of the texture
     * @return
     */
    public int getWidth() {
        return width;
    }
    
    /**
     * Initialises all the textures provided that all of them do have
     * resources associated
     * @param gl
     * @param context
     */
    public static void initialise(GL10 gl, Context context) {
        int[] textures = new int[Texture.values().length];
        
        Texture[] values = Texture.values();
        
        // generate one texture pointer
        gl.glGenTextures(values.length, textures, 0);
        
        for(int i = 0; i < values.length; ++i) {
            values[i].load(gl, context, textures[i]);
        }
    }
}

Java Source Code List

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