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Java Game APIs & Engines / JOGL Development / Re: Textures

on: 2010-10-19 09:57:03

you should use TYPE_INT_ARGB_PRE, its the fastet so far i know.

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  Texture makeTex(BufferedImage img){
      if(img.getType() == BufferedImage.TYPE_INT_ARGB_PRE){
        return TextureIO.newTexture(img,false);
      }else{
        BufferedImage bimg = new BufferedImage(img.getWidth(),img.getHeight(),BufferedImage.TYPE_INT_ARGB_PRE);
        Graphics2D g2d = bimg.createGraphics();
        g2d.drawImage(img, 0, 0, null);
        g2d.dispose();
        return TextureIO.newTexture(bimg,false);
      }
  }

Game Development / Game Mechanics / ZLib problem

on: 2010-10-15 17:15:45

Hi,
I juz started making a Jump'n'run engine.
So we need an editor.
Now we are @ the part to save the finished map.
I want to save the data as a Base64 encoded ZLib Compressed String.
Earlier i used Ruby to compress and encode the string, now i want to use java.
But the result of the Compression is kinda buggy, it always gives me:
java.util.zip.DataFormatException: incorrect header check

The Inflater part should be OK, becauze it worked earlier fine.
I think its a problem how i compressed the string.
Heres my code:

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        byte[] bytes = (String)layerCodes[i].getBytes("UTF-8");
        bytelength=bytes.length;
        byte[] output = new byte[bytes.length];
        Deflater compresser = new Deflater();
        compresser.setInput(bytes);
        compresser.finish();
        int compressedDataLength = compresser.deflate(output);
        layerCodes[i] = new String(output, 0, compressedDataLength, "UTF-8");
        layerCodes[i] = Base64Decoder.encodeString(layerCodes[i].trim());

I dont get it what i've done wrong;

1	byte[] output = new byte[bytes.length];

Have i to put the exact output lenght?

Base64 En/De-Coder: http://www.source-code.biz/base64coder/java/

Edit:
A clean result should look like this:

1	eJwz0DHQMbYwswYABtMBlQ==

But thats the result from Java method:

1	eO+/vTPvv70x77+9

._.
Something have to be wrong, the base64 encoder`? but i printed the String before encoding and after decoding, they was the same.

Edit: solved, juz kiked the compression out of my code

3	Java Game APIs & Engines / Java Sound & OpenAL / Re: A small question	on: 2010-10-01 13:32:24
System.getProperty("user.dir")+"\\lib" -> C:\Users\Blair\Documents\NetBeansProjects\trunk\Atramentum\lib Thats the folder where my dll is If i put the folder complete manualy, it still does not solve it Anyway, that fmod seems to be better ( saw how many games using it ) and it works fine thx

Java Game APIs & Engines / Java Sound & OpenAL / Re: A small question

on: 2010-09-28 23:19:35

-Djava.library.path=".\lib\" -> Still gives same error.
Im using 1.1.2.
I cant drag & drop the dll into the libary section, only in the src section but that does not solve it Sad

Can i pack a dll into a jar and add it to my classpath?
Or can i modify my library path inside the java code?
Something like:

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static{
  System.addLibrary=".\lib\joal_native.dll";
}

Edit:

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  static {
     try {
       System.setProperty("java.library.path",System.getProperty("user.dir")+"\\lib");
       System.out.println(System.getProperty("java.library.path"));
     } catch (UnsatisfiedLinkError e) {
       e.printStackTrace();
     }
  }

The dll is in the folder that he prints me, but he still says: not found Sad

--------------------

Solved, i use an other lib now: http://jerome.jouvie.free.fr/Fmod/NativeFmodEx/index.php
Thx u 2

5	Java Game APIs & Engines / Java Sound & OpenAL / A small question	on: 2010-09-28 20:20:43
Hi, how can i add my native libs to my netbeans project? I added it to my library path -Djava.library.path=".\lib\joal_native.dll" in my VM Optiones, but it still cant find joal_native.

6	Java Game APIs & Engines / JOGL Development / Re: Future of JOGL?	on: 2010-09-23 14:14:39
last update was 18-Sep-2010 09:25 (i think )

7	Java Game APIs & Engines / JOGL Development / Re: how to make a camera	on: 2010-09-18 20:10:35
but it would work better if you do like gouessej said

8	Java Game APIs & Engines / JOGL Development / Re: how to make a camera	on: 2010-09-13 15:11:40
Well what axis do you think is rightVector representing? A Vector with Zero Lenght cant point in a direction, so its not a vector. 1 0 0 btw: rightVector was in my old post...

9	Java Game APIs & Engines / JOGL Development / Re: how to make a camera	on: 2010-09-12 23:21:52
Do you know whats a Vector? If yes, put the values in that u need. Quote but the camera's staring in some random direction Thats becauze i put some random values in. origPosition = Camera Position origViewDir = View Direction origViewDir+origPosition = Target Position So if u have a target and u have a position for your camera you can easy calculate the view direction on this way: Target Position - origPosition = origViewDir Quote does jmonkey or xith3d have a good camera class i can rip off? There you have to put some values in too, or it does not know what you want from him.

10	Java Game APIs & Engines / JOGL Development / Re: how to make a camera	on: 2010-09-12 13:47:55
Vector3 origViewDir = new Vector3(0,-.4f,-1); Vector3 origRightVector = new Vector3(1,0,0); Vector3 origUpVector = new Vector3(0,1,0); Vector3 origPosition = new Vector3(0,2,3); ... some values needed. U cant look into the direction of no-direction in a System where are no axis.

11	Game Development / Artificial Intelligence / Re: Vektors and Angles	on: 2010-09-10 23:38:07
nice, thx. that was what i was looking for :3

12	Game Development / Artificial Intelligence / Vektors and Angles	on: 2010-09-10 22:57:32
hi, i got a problem for calculating my camera. I tried so much stuff. What i got: 2 Vektors: p = my aktual position t = my desired point My wished point to look @ is in the center of my coor-system. Now i have done the calculation of u( = the vektor where the cam is moving ). In the next step i want to use t to get the angles to my wished point w(0,0,0); t+w = my view direction. I've done a small graphic for this: I tried to get the angles on this way: First i turned the direction of t around, so all values are multiplied by -1. Now my Vektor t is pointing down to w(0,0,0). In the next step i reduced t on 2 Planes. So i can calculate the angles with X/Y and X/Z a = arccos( (tx,ty)skalar(1,0) / \|(tx,ty)\|\|(1,0)\|); b = arccos( (tx,tz)skalar(0,1) / \|(tx,tz)\|\|(0,1)\|); But my result is bad (thats math so it have to be in this forum, right? if not, it may belongs to JOGL, im sry)

Java Game APIs & Engines / JOGL Development / Re: how to make a camera

on: 2010-09-10 12:25:47

Ok
viewDir is Null
becauze:

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    public Vector3 getNormal()
    {
        float l = getLength();

        if(l == 0.0f)
            return null;

        return new Vector3(X / l, Y / l, Z / l);
    }

Ur camera says: viewDir = viewDir.getNormal();
But the values of viewDir are:
X=0
Y=0
Z=0
Now u look for the lenght of this vector, the lenght is 0.
So the method give u Null.
So your vector becomes Null.
Anyway, viewDir sounds like an direction, put in a direction or you will get a crappy view

Java Game APIs & Engines / JOGL Development / Re: how to make a camera

on: 2010-09-09 21:18:16

where u get the error? could u tell us the code from that line?
uhm, u used the right package?
The code from the website seems to work, they juz forgot a ) somewhere @ the top.

(

1 2	if(!ready) return;

i dont think that u need that if u use:
Awesomecam cam = new Awesomecam();
cam.look(...);
)

15	Java Game APIs & Engines / JOGL Development / Re: No transparenzy with GL_DEPTH_TEST	on: 2010-08-27 19:28:26
Bananni that would be a nice name :3 thx

16	Java Game APIs & Engines / JOGL Development / Re: No transparenzy with GL_DEPTH_TEST	on: 2010-08-27 19:11:11
I dont realy get it :/ i used: glAlphaFunc(GL_EQUAL,1f); but it didnt changed anything. Edit: nvm, it was a result of my stupidity... forgot to enable ALPHA_TEST. Thx for ur help ^^ (Can i change my name or do i have to wait until i can change it?)

17	Java Game APIs & Engines / JOGL Development / Re: No transparenzy with GL_DEPTH_TEST	on: 2010-08-27 18:34:02
Thx i will try around with it. (my nickname does not mean that i wanna kill u ) i didnt modify the AlphaFunc so it should be GL_ALWAYS. The textures have an alpha channel and they are transparent, but they delete some party of the other textures. What i dont understand is why they always delete 1 texture and leave the rest in peace? This picture shows the first rendered battler behind the secounds rendered, they dont erase some regions of each other, only if i put the first rendered in front of the secound rendered some parts of the secound rendered will be delete

Java Game APIs & Engines / JOGL Development / No transparenzy with GL_DEPTH_TEST

on: 2010-08-27 18:12:53

Hello,
I have a problem by non-displaying transparent regions of my textures.
After i used GL_DEPTH_TEST my transparent regions became black or the background color.
I read something about double rendering but i dont get it how it works corectly.
I tryed:

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glDephtFunc(GL_GREATER)
glDephtMask(false);

FIRST RENDERING

glDepthFunc(GL_LEQUAL);
glDepthMask(true);

SECOUND RENDERING

The result of that was that they are still overlapping each other.
Heres my actual result of my system:
(rendered 1 time with GL_LEQUAL and DepthMask true)

(the number shows u the order in that i rendered the objects)
My blending:
gl.glBlendFunc(GL.GL_SRC_ALPHA,GL.GL_ONE_MINUS_SRC_ALPHA);

It would be very welcomed if this method is the badder 1 of some easy methods.
I dont think that im able to split my polygons in smaller 1 so they dont overlap each other.

Java Game APIs & Engines / JOGL Development / Re: Problem with: glutSolidSphere & GL_QUADS

on: 2010-08-27 17:44:42

The upper part i didnt change.
I juz realized that i used .1 to 10 for range.
So i changed the Z Coor of my Battler to -6f and there he was :3
In the next step i saw that my battler has a polygon, but no texture.
I searched for the reason and i saw the line: cubemap.enable();
so i completet it @ the end of my background rendering by: cubemap.disable();
Here are my modifications:

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  private void renderBG(GL gl){
    gl.glLoadIdentity();
    cubemap.bind();
    // -------------------------------------- WHERES THE REST? :(
    cubemap.enable();
    // -------------------------------------------------------------------
    gl.glEnable(GL.GL_LIGHTING);

    gl.glTexGeni(GL.GL_S, GL.GL_TEXTURE_GEN_MODE, GL.GL_NORMAL_MAP);
    gl.glTexGeni(GL.GL_T, GL.GL_TEXTURE_GEN_MODE, GL.GL_NORMAL_MAP);
    gl.glTexGeni(GL.GL_R, GL.GL_TEXTURE_GEN_MODE, GL.GL_NORMAL_MAP);

    gl.glEnable(GL.GL_TEXTURE_GEN_S);
    gl.glEnable(GL.GL_TEXTURE_GEN_T);
    gl.glEnable(GL.GL_TEXTURE_GEN_R);

    gl.glTexEnvi(GL.GL_TEXTURE_ENV, GL.GL_TEXTURE_ENV_MODE, GL.GL_REPLACE);

    gl.glMatrixMode(GL.GL_TEXTURE);
    gl.glPushMatrix();
    gl.glLoadIdentity();

    useCamera(gl);

    glut.glutSolidSphere(5.0, 40, 20);

    gl.glDisable(GL.GL_LIGHTING);

    gl.glPopMatrix();
    gl.glMatrixMode(GL.GL_MODELVIEW);

    gl.glDisable(GL.GL_TEXTURE_GEN_S);
    gl.glDisable(GL.GL_TEXTURE_GEN_T);
    gl.glDisable(GL.GL_TEXTURE_GEN_R);
    // ------------------------------------------------- HERE IT IS :3
    cubemap.disable();
    // -------------------------------------------------------------------
  }

20	Java Game APIs & Engines / JOGL Development / Re: Problem with: glutSolidSphere & GL_QUADS	on: 2010-08-26 13:50:17
Yes, in ortho mode they was displayed, before in 3D Mode also, but now its not possible anymore and i dont get it why i cant display them anymore =/ OK! now my system is displaying the Quad, i made a mistake with Z, i used + instead of - and i forgot to use: cubemap.disable(); Thx, can be closed

Java Game APIs & Engines / JOGL Development / Problem with: glutSolidSphere & GL_QUADS

on: 2010-08-25 22:01:48

Hi,
for my battle system im using a Cubemap to fake a full 3D world.
Im using 6 textures, 4 for sides and 2 for ground and sky.
Now i would like to use GL_QUADS to display my 2D battlers.
The problem now is: My Battlers arent display =/
Heres the code/setting im using:
settings:

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        gl.glClearColor(0.0f, 0.0f, 0.0f, 0.5f);
        gl.glShadeModel(GL.GL_FLAT);
        gl.glEnable(GL.GL_TEXTURE_2D);
        gl.glEnable(GL.GL_BLEND);
        gl.glColorMask(true, true, true, true);
        double widht = 774;
        double height = 540;
        final float h = (float) width / (float) height;
        gl.glMatrixMode(GL.GL_PROJECTION);
        gl.glLoadIdentity();
        glu.gluPerspective(60.0f, h, .1, 10);
        gl.glViewport(0, 0, (int)width, (int)height);
        gl.glMatrixMode(GL.GL_MODELVIEW);
        gl.glLoadIdentity();

render:

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  public void render(GL gl){
    renderBG(gl);
    for(int i=0;i<battler.length;i++){ // 2 Battlers
      Texture tex = battler[i].battler.animations[battler[i].action].getFrame(); // The Texture is a texture with content.
      tex.bind();
      tex.enable();
      gl.glTranslatef(battler[i].coor.xf, battler[i].coor.yf, battler[i].coor.zf); // All Coor are zero.
      TextureCoords coords = tex.getImageTexCoords();
      gl.glBegin(GL.GL_QUADS);
        gl.glTexCoord2f(coords.left(), coords.bottom());
        gl.glVertex3f(0, 0, 0);
        gl.glTexCoord2f(coords.right(), coords.bottom());
        gl.glVertex3f(1, 0, 0);
        gl.glTexCoord2f(coords.right(), coords.top());
        gl.glVertex3f(1, 1, 0);
        gl.glTexCoord2f(coords.left(), coords.top());
        gl.glVertex3f(0, 1, 0);
      gl.glEnd();
      gl.glTranslatef(-battler[i].coor.xf, -battler[i].coor.yf, -battler[i].coor.zf);
    }
  }
  private void useCamera(GL gl){
    gl.glRotatef((float)Math.toDegrees(Camera.v),1f,0f,0f); // is zero.
    gl.glRotatef((float)Math.toDegrees(Camera.h),0f,1f,0f); // is zero.
    gl.glRotatef((float)Math.toDegrees(Camera.c),0f,0f,1f); // is zero.
  }
  private void renderBG(GL gl){
    cubemap.bind();
    cubemap.enable();
    gl.glEnable(GL.GL_LIGHTING);
    gl.glTexGeni(GL.GL_S, GL.GL_TEXTURE_GEN_MODE, GL.GL_NORMAL_MAP);
    gl.glTexGeni(GL.GL_T, GL.GL_TEXTURE_GEN_MODE, GL.GL_NORMAL_MAP);
    gl.glTexGeni(GL.GL_R, GL.GL_TEXTURE_GEN_MODE, GL.GL_NORMAL_MAP);
    gl.glEnable(GL.GL_TEXTURE_GEN_S);
    gl.glEnable(GL.GL_TEXTURE_GEN_T);
    gl.glEnable(GL.GL_TEXTURE_GEN_R);
    gl.glTexEnvi(GL.GL_TEXTURE_ENV, GL.GL_TEXTURE_ENV_MODE, GL.GL_REPLACE);
    gl.glMatrixMode(GL.GL_TEXTURE);
    gl.glPushMatrix();
    gl.glLoadIdentity();
    useCamera(gl);
    glut.glutSolidSphere(5.0, 40, 20);
    gl.glDisable(GL.GL_LIGHTING);
    gl.glPopMatrix();
    gl.glMatrixMode(GL.GL_MODELVIEW);
    gl.glDisable(GL.GL_TEXTURE_GEN_S);
    gl.glDisable(GL.GL_TEXTURE_GEN_T);
    gl.glDisable(GL.GL_TEXTURE_GEN_R);
  }

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