swdiet3d.java

SWDiet3D is a port to SuperWaba of the Diet3D, the free 3D engine for J2ME mobiles, written by Phili

            tmpint4x4a[1][1] = sc[1];
            tmpint4x4a[1][2] = 0 ;

            tmpint4x4a[2][0] = 0 ;
            tmpint4x4a[2][1] = 0 ;
            tmpint4x4a[2][2] = one ;

            copyMM( m, tmpint4x4b ); multMM( tmpint4x4b, tmpint4x4a , m );
        }

        if ( y != 0) {
            { while ( y < 0 ) { y += PI2; } sc[0] = ( ( (y%PI2) * sinesize + half ) / PI2 ) ; sc[1] = ( sc[0] + (sinesize/4)); sc[0] = sine[ (sc[0]%sinesize) ]; sc[1] = sine[ (sc[1]%sinesize) ]; };
            tmpint4x4a[0][0] = sc[1];
            tmpint4x4a[0][1] = 0 ;
            tmpint4x4a[0][2] = - sc[0];

            tmpint4x4a[1][0] = 0;
            tmpint4x4a[1][1] = one ;
            tmpint4x4a[1][2] = 0 ;

            tmpint4x4a[2][0] = sc[0];
            tmpint4x4a[2][1] = 0 ;
            tmpint4x4a[2][2] = sc[1] ;

            copyMM( m, tmpint4x4b ); multMM( tmpint4x4b, tmpint4x4a , m );
        }
        if ( x != 0 ) {
            { while ( x < 0 ) { x += PI2; } sc[0] = ( ( (x%PI2) * sinesize + half ) / PI2 ) ; sc[1] = ( sc[0] + (sinesize/4)); sc[0] = sine[ (sc[0]%sinesize) ]; sc[1] = sine[ (sc[1]%sinesize) ]; };
            //MACRO_println("s/c="+c + " " +s);
            tmpint4x4a[0][0] = one;
            tmpint4x4a[0][1] = 0 ;
            tmpint4x4a[0][2] = 0;

            tmpint4x4a[1][0] = 0;
            tmpint4x4a[1][1] = sc[1] ;
            tmpint4x4a[1][2] = -sc[0] ;

            tmpint4x4a[2][0] = 0;
            tmpint4x4a[2][1] = sc[0] ;
            tmpint4x4a[2][2] = sc[1] ;

            copyMM( m, tmpint4x4b ); multMM( tmpint4x4b, tmpint4x4a, m );
        }
        //printM(m);
        //debug("-rotate");
    }
    /*
      Axis / angle Matrix
      1 + (1-cos(angle))*(x*x-1)        -z*sin(angle)+(1-cos(angle))*x*y        y*sin(angle)+(1-cos(angle))*x*z
      z*sin(angle)+(1-cos(angle))*x*y   1 + (1-cos(angle))*(y*y-1)      -x*sin(angle)+(1-cos(angle))*y*z
      -y*sin(angle)+(1-cos(angle))*x*z  x*sin(angle)+(1-cos(angle))*y*z         1 + (1-cos(angle))*(z*z-1)


    */
    //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//#define copyV3V3(s,d)  { d[0]=s[0]; d[1]=s[1]; d[2]=s[2]; }
//#define lengthV3(a,SQRT) SQRT((a)[0]*(a)[0]+(a)[1]*(a)[1]+(a)[2]*(a)[2])
//#define normV3(a,TYPE,SQRT){TYPE l=SQRT((a)[0]*(a)[0]+(a)[1]*(a)[1]+(a)[2]*(a)[2]);(a)[0]/=l;(a)[1]/=l;(a)[2]/=l;}
//#define crossV3V3V3(a,b,r){(r)[0]=(a)[1]*(b)[2]-(a)[2]*(b)[1];(r)[1]=(a)[2]*(b)[0]-(a)[0]*(b)[2];(r)[2]=(a)[0]*(b)[1]-(a)[1]*(b)[0];}

//#define macroMultFF(a,b) ( ( a * b ) + half ) >> offset )


/* $Id: MathFixed.java.in,v 1.5 2004/11/02 14:33:14 rzr Exp $ */







/* $Id: Raster.java.in,v 1.8 2004/11/02 14:33:14 rzr Exp $ */




/* $Id: HackJavaCpp.java.in,v 1.6 2004/11/02 14:33:14 rzr Exp $ */
/* $Id: */

/**
 * This in a template java source file wich can be preprocessed with GNU cpp
 * see CppHack.java.in
 * @author www.Philippe.COVAL.free.fr
 * Copyright and License : http://rzr.online.fr/license.htm
  **/
    static int[] colorbuffer = null;

    //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/* $Id: Raster.java.in,v 1.8 2004/11/02 14:33:14 rzr Exp $ */





/* $Id: SWDiet3DRender.java.in,v 1.4 2004/11/02 14:33:14 rzr Exp $ */
    //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

    /** store in r[]  vertex[i] after viewing transform */
    public void coord(int i, int[] r)
    {
        this.multMV( m_, obj_vv[i] , r );
        { { r[0]= (( r[0] + half ) >> offset ); r[1] = (( r[1] + half ) >> offset ); r[2] = (( r[2] + half ) >> offset ); }; r[0] = (r[0] << scale) + screen[0] ; r[1] = - (r[1] << scale) + screen[1] ; r[2] = (r[2] << scale) + screen[2] ; };
    }
    /** face[i] **/
    //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

    public void paintVertex(Graphics g)
    {
       // g.setForeColor(0x00000000);
	  g.setForeColor(Color.BLACK);
        for(int i=0; i < obj_nv; i++) {
            coord(i, vn);
            g.drawLine( vn[0], vn[1], vn[0], vn[1]);
        }
        //debug("-paintVertex");
    }


    public void paintLine(Graphics g)
    {
        int c= 0x000000E0;
        for(int i=0; i < obj_nf; i++) {
            { this.multMV( m_, obj_vv[ obj_vf[i][0] ] , va ); this.multMV( m_, obj_vv[ obj_vf[i][1] ] , vb ); this.multMV( m_, obj_vv[ obj_vf[i][2] ] , vc ); { { va[0]= (( va[0] + half ) >> offset ); va[1] = (( va[1] + half ) >> offset ); va[2] = (( va[2] + half ) >> offset ); }; va[0] = (va[0] << scale) + screen[0] ; va[1] = - (va[1] << scale) + screen[1] ; va[2] = (va[2] << scale) + screen[2] ; }; { { vb[0]= (( vb[0] + half ) >> offset ); vb[1] = (( vb[1] + half ) >> offset ); vb[2] = (( vb[2] + half ) >> offset ); }; vb[0] = (vb[0] << scale) + screen[0] ; vb[1] = - (vb[1] << scale) + screen[1] ; vb[2] = (vb[2] << scale) + screen[2] ; }; { { vc[0]= (( vc[0] + half ) >> offset ); vc[1] = (( vc[1] + half ) >> offset ); vc[2] = (( vc[2] + half ) >> offset ); }; vc[0] = (vc[0] << scale) + screen[0] ; vc[1] = - (vc[1] << scale) + screen[1] ; vc[2] = (vc[2] << scale) + screen[2] ; }; };
            if ( obj_vc != null ) c = obj_vc[i];
            g.setForeColor(new Color(c));
            g.drawLine( va[0] , va[1] , vb[0] , vb[1] );
            g.drawLine( va[0] , va[1] , vc[0] , vc[1] );
            g.drawLine( vc[0] , vc[1] , vb[0] , vb[1] );
            // debug("-paintLine " + obj_nf );
	   // Vm.debug(c+" <c");
        }
    }
    public void paintString(Graphics g, String s)
    {

        g.drawText
            ( s , w_ >> 1 , h_ >> 1 );
        //debug(s);

    }
/* $Id: */


    //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    static int bound = ( ( ( (11585*sqrt2) + half ) >> offset ) ); //20070 //+/- 11585
    static int[] colormap = null;
    static final int colormapsize=64;

    int[] light = { 0 , 0 , - this.one };
    //int[] light = { MathFixed.sqrt3,MathFixed.sqrt3,MathFixed.sqrt3 };

    //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

    //#undef  mesh_nv
    //#undef  mesh_nf
    //#undef  mesh_vv
    //#undef  mesh_vf

    //#include "MeshFace.java.in"
    //(Code of a method longer than 65535 bytes)
    //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    // reusable objects
    /** Viewing Tranformation - check for scale row - TODO */
    static int[][] m_ = new int[4][4];

    static int[] va = { 0 , 0 , 0 };
    static int[] vb = { 0 , 0 , 0 };
    static int[] vc = { 0 , 0 , 0 };
    static int[] vn = { 0 , 0 , 0 };


    /** 3d mesh data (inlined) */
    int obj_nv = mesh_cube_nv ;

    int obj_nf = mesh_cube_nf;

    int[][] obj_vv = mesh_cube_vv ;

    int[][] obj_vf = mesh_cube_vf ;

    int[] obj_vc = mesh_cube_vc ;

    int[][] obj_trans = null;

    int[][] obj_norm = null;

    int[][] obj_center = null;

    //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

    public SWDiet3D()
    {
        init();
    }
    public SWDiet3D(int w, int h)
    {
        init(w,h);
    }


    //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    public void init(int w, int h)
        {
        w_ = w; h_ = h; //hw_ = h_ * w_;
        init();





        toggleAnim(0); // 2=none
        toggleShape(2); //4-11
        toggleMode(0); // 10 pixel  13 mapp//12 = zsort+l

        tick++;
    }

    public void init()
    {
        screen[0] = w_ / 2; screen[1] = h_ / 2;
        screen[2] = h_;
        //screenscale = bound / ( 8 *  h_ ) ; //CHECK // =12 < 13