table.c

这是一个相当棒的Linux下的台球游戏

       bumpcloth = bump_setup_vp_rc("cloth-col.png",0.02,0);
       bump_cloth_init = 1;
   }*/



   if( table_obj != -1 ) glDeleteLists( table_obj, 1 );
   table_obj = glGenLists(1);
   glNewList(table_obj, GL_COMPILE);
//   glScalef( 1.0, 1.0, 1.0 );

   glMaterialfv(GL_FRONT, GL_DIFFUSE,   tab_col_diff);
   glMaterialfv(GL_FRONT, GL_AMBIENT,   tab_col_amb);
   glMaterialfv(GL_FRONT, GL_SPECULAR,  tab_col_spec);
   glMaterialf (GL_FRONT, GL_SHININESS, 0.0 );

   //glTranslatef( 0, 0, 0 );

   //gluQuadricDrawStyle(q, GLU_LINE);
   /* cylinder */
//   gluQuadricNormals(q, GL_SMOOTH);
//   gluQuadricTexture(q, GL_TRUE);
   //gluCylinder(q, 0.5, 0.5, 2.0, 24, 1);
   
   //glTranslatef(1.0, 0.0, 0.5);
   //gluCylinder(q, 0.0, 0.4, 1.0, 24, 1);
   //glTranslatef(-1.0, 0.0, -0.5);

   /*glTranslatef( 0, 0, balld/2.0 );
   glRectd( -tablew/2.0, -tablel/2.0, tablew/2.0, tablel/2.0 );
   glTranslatef( 0, 0, tableh );
   glRectd( tablew/2.0, -tablel/2.0, -tablew/2.0, tablel/2.0 );
   glTranslatef( 0, 0, -tableh-balld/2.0 );*/

   if( options_table_tex ){
       float vx[]={0,50,60,0};
       float vy[]={50,0,60,0};
       glEnable(GL_TEXTURE_2D);
       glBindTexture(GL_TEXTURE_2D,tabletexbind);
       glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
       if( options_cloth_tex && extension_multitexture ){
           glActiveTextureARB(GL_TEXTURE1_ARB);
           glEnable(GL_TEXTURE_2D);
           glEnable(GL_TEXTURE_GEN_S);
           glEnable(GL_TEXTURE_GEN_T);
           glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
           glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
           glTexGenfv(GL_S, GL_OBJECT_PLANE, vx);
           glTexGenfv(GL_T, GL_OBJECT_PLANE, vy);
           glBindTexture(GL_TEXTURE_2D,clothtexbind);
           glActiveTextureARB(GL_TEXTURE0_ARB);
       }
   } else {
       glDisable(GL_TEXTURE_2D);
   }
/*   {
       GLfloat t_gen_params[] = {300.0,100.0,0.0,0.0};
       GLfloat s_gen_params[] = {-100.0,300.0,0.0,0.0};
       glEnable(GL_TEXTURE_GEN_S);
       glEnable(GL_TEXTURE_GEN_T);
       glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
       glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
       glTexGenfv(GL_S, GL_OBJECT_PLANE, s_gen_params);
       glTexGenfv(GL_T, GL_OBJECT_PLANE, t_gen_params);
       glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
       glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
   }*/
   glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);

/*   if(options_bumpwood       &&
      extension_multitexture &&
      extension_rc_NV        &&
      extension_vp_NV        &&
      bump_cloth_init ){
       DPRINTF("applying wood frame bumpmaps\n");
       bump_set_light(&bumpcloth,0.0,0.0,0.7);
       bump_set_diff(&bumpcloth,tab_col_diff[0]+tab_col_amb[0],tab_col_diff[1]+tab_col_amb[1],tab_col_diff[2]+tab_col_amb[2]);
       bump_set_spec(&bumpcloth,0.5,0.5,0.5);
       bump_use(&bumpcloth);
       glActiveTextureARB(GL_TEXTURE1_ARB);
       GLfloat t_gen_params[] = {1.0,0.0,0.0,0.0};
       GLfloat s_gen_params[] = {0.0,1.0,0.0,0.0};
       glDisable(GL_TEXTURE_GEN_S);
       glDisable(GL_TEXTURE_GEN_T);
       glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
       glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
       glTexGenfv(GL_S, GL_OBJECT_PLANE, s_gen_params);
       glTexGenfv(GL_T, GL_OBJECT_PLANE, t_gen_params);
       glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
       glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
       glActiveTextureARB(GL_TEXTURE0_ARB);
   }*/

//   glShadeModel(GL_FLAT);

/*   glBegin(GL_QUADS);
      glTexCoord2f( -0.7-0.2, -0.2 );
      glNormal3f( 0.0, 0.0, 1.0 );
      glVertex3f(-tablew/2.0, -tablel/2.0, -balld/2.0);
      glTexCoord2f( 1.7-0.2, -0.2 );
      glNormal3f( 0.0, 0.0, 1.0 );
      glVertex3f(-tablew/2.0, +tablel/2.0, -balld/2.0);
      glTexCoord2f( 1.7+0.2, 1.2 );
      glNormal3f( 0.0, 0.0, 1.0 );
      glVertex3f(+tablew/2.0, +tablel/2.0, -balld/2.0);
      glTexCoord2f( -0.7+0.2, 1.2 );
      glNormal3f( 0.0, 0.0, 1.0 );
      glVertex3f(+tablew/2.0, -tablel/2.0, -balld/2.0);
   glEnd();*/

   if(carambol){
       tablew=TABLE_W+2.0*BANDE_D;
       tablel=TABLE_L+2.0*BANDE_D;
       area_w = TABLE_W+2.0*BANDE_D;
       area_l = TABLE_L+2.0*BANDE_D;
   } else {
       area_w = TABLE_W-0.07;
       area_l = TABLE_L-0.07;
   }

/*#define TABLEBUMPCOORD_X(x,y) (x*3.0)
#define TABLEBUMPCOORD_Y(x,y) (y*3.0)*/
/* AREA_SUBDIV_Y and AREA_SUBDIV_X have to be even */
#define AREA_SUBDIV_Y 6
#define AREA_SUBDIV_X 4
   jmax=AREA_SUBDIV_Y; imax=AREA_SUBDIV_X;
   for(j=0;j<jmax;j++){
       for(i=0;i<imax;i++){
           double x,y;
           glBegin(GL_QUADS);
           //           glTexCoord2f( -0.7+j*2.4/jmax-0.2+i*0.4/imax, -0.2+i*1.4/imax );
           x=-area_w/2.0+i*area_w/imax; y=-area_l/2.0+j*area_l/jmax;
           glTexCoord2f( TABLETEXCOORD_X(x,y), TABLETEXCOORD_Y(x,y) );
           glNormal3f( 0.0, 0.0, 1.0 );
           glVertex3f( x,y, -balld/2.0);
           //           glTexCoord2f( -0.7+(j+1)*2.4/jmax-0.2+i*0.4/imax, -0.2+i*1.4/imax );
           x=-area_w/2.0+i*area_w/imax; y=-area_l/2.0+(j+1)*area_l/jmax;
           glTexCoord2f( TABLETEXCOORD_X(x,y), TABLETEXCOORD_Y(x,y) );
           glNormal3f( 0.0, 0.0, 1.0 );
           glVertex3f( x,y, -balld/2.0);
           //           glTexCoord2f( -0.7+(j+1)*2.4/jmax-0.2+(i+1)*0.4/imax, -0.2+(i+1)*1.4/imax );
           x=-area_w/2.0+(i+1)*area_w/imax; y=-area_l/2.0+(j+1)*area_l/jmax;
           glTexCoord2f( TABLETEXCOORD_X(x,y), TABLETEXCOORD_Y(x,y) );
           glNormal3f( 0.0, 0.0, 1.0 );
           glVertex3f( x,y, -balld/2.0);
           //           glTexCoord2f( -0.7+j*2.4/jmax-0.2+(i+1)*0.4/imax, -0.2+(i+1)*1.4/imax );
           x=-area_w/2.0+(i+1)*area_w/imax; y=-area_l/2.0+j*area_l/jmax;
           glTexCoord2f( TABLETEXCOORD_X(x,y), TABLETEXCOORD_Y(x,y) );
           glNormal3f( 0.0, 0.0, 1.0 );
           glVertex3f( x,y, -balld/2.0);

           glEnd();
       }
   }
   if(carambol){
       tablew=TABLE_W;
       tablel=TABLE_L;
   }

   if(!carambol){
       /* holes */
       glFrontFace(GL_CW);
       my_HoleTuch(1.0,1.0);

       glFrontFace(GL_CCW);
       my_HoleTuch(1.0,-1.0);

       glFrontFace(GL_CCW);
       my_HoleTuch(-1.0,1.0);

       glFrontFace(GL_CW);
       my_HoleTuch(-1.0,-1.0);
   }

/*   if(options_bumpwood       &&
      extension_multitexture &&
      extension_rc_NV        &&
      extension_vp_NV        &&
      bump_cloth_init ){
       DPRINTF("applying wood frame bumpmaps\n");
       bump_restore();
       glActiveTextureARB(GL_TEXTURE1_ARB);
       glDisable(GL_TEXTURE_GEN_S);
       glDisable(GL_TEXTURE_GEN_T);
       glActiveTextureARB(GL_TEXTURE0_ARB);
   }*/

   /* furchen */
   if(!carambol){
       double x,y;
#define TABLEVERTEX(x,y,z,f1,f2) \
             glNormal3f(0.0,0.0,1.0); \
             glTexCoord2f( TABLETEXCOORD_X((x)*(f1),(y)*(f2)), TABLETEXCOORD_Y((x)*(f1),(y)*(f2)) ); \
             glVertex3f((x)*(f1),(y)*(f2),z);
//             glFrontFace((f1*f2>0.0)?GL_CW:GL_CCW);
   /*lower, upper*/
       for(i=0;i<2;i++){
           glFrontFace(i==0?GL_CW:GL_CCW);
           glBegin(GL_QUAD_STRIP);
           TABLEVERTEX( area_w/2.0,                                -area_l/2.0,                        -BALL_D/2.0, 1.0, i==0?1.0:-1.0 );
           TABLEVERTEX( TABLE_W/2.0-edge_xyoffs-BANDE_D*HOLE1_TAN, -TABLE_L/2.0-BANDE_D*BANDE_D2RATIO, -BALL_D/2.0, 1.0, i==0?1.0:-1.0 );
           for(j=0;j<AREA_SUBDIV_X-1;j++){
               TABLEVERTEX( area_w/2.0-area_w*(j+1)/AREA_SUBDIV_X, -area_l/2.0,                        -BALL_D/2.0, 1.0, i==0?1.0:-1.0 );
               TABLEVERTEX( area_w/2.0-area_w*(j+1)/AREA_SUBDIV_X, -TABLE_L/2.0-BANDE_D*BANDE_D2RATIO, -BALL_D/2.0, 1.0, i==0?1.0:-1.0 );
           }
           TABLEVERTEX( area_w/2.0,                                -area_l/2.0,                        -BALL_D/2.0, -1.0, i==0?1.0:-1.0 );
           TABLEVERTEX( TABLE_W/2.0-edge_xyoffs-BANDE_D*HOLE1_TAN, -TABLE_L/2.0-BANDE_D*BANDE_D2RATIO, -BALL_D/2.0, -1.0, i==0?1.0:-1.0 );
           glEnd();
       }

       /* some middle pocket triangles */
       for(i=0;i<2;i++){
           glFrontFace(i==0?GL_CW:GL_CCW);
           glBegin(GL_TRIANGLES);
           TABLEVERTEX( -area_w/2.0,                                  0.0,                              -BALL_D/2.0, i==0?1.0:-1.0, 1.0 );
           TABLEVERTEX( -TABLE_W/2.0-BANDE_D*BANDE_D2RATIO,          -HOLE2_R-HOLE2_TAN*BANDE_D,        -BALL_D/2.0, i==0?1.0:-1.0, 1.0 );
           TABLEVERTEX( -TABLE_W/2.0-HOLE2_XYOFFS+HOLE2_R,            0.0,                              -BALL_D/2.0, i==0?1.0:-1.0, 1.0 );

           TABLEVERTEX( -area_w/2.0,                                  0.0,                              -BALL_D/2.0, i==0?1.0:-1.0, 1.0 );
           TABLEVERTEX( -TABLE_W/2.0-HOLE2_XYOFFS+HOLE2_R,            0.0,                              -BALL_D/2.0, i==0?1.0:-1.0, 1.0 );
           TABLEVERTEX( -TABLE_W/2.0-BANDE_D*BANDE_D2RATIO,          +HOLE2_R+HOLE2_TAN*BANDE_D,        -BALL_D/2.0, i==0?1.0:-1.0, 1.0 );

           glEnd();
       }

       /* lower left, lower right, upper right, upper left */
       for(i=0;i<4;i++){

           double fx=0.0;
           double fy=0.0;
           switch(i){
           case 0: fx=+1.0; fy=+1.0; glFrontFace(GL_CW);  break;  /* lower left  */
           case 1: fx=-1.0; fy=+1.0; glFrontFace(GL_CCW); break;  /* lower right */
           case 2: fx=-1.0; fy=-1.0; glFrontFace(GL_CW);  break;  /* upper right */
           case 3: fx=+1.0; fy=-1.0; glFrontFace(GL_CCW); break;  /* upper left  */
           }

           glBegin(GL_QUAD_STRIP);
           /* furchen */
           TABLEVERTEX( -TABLE_W/2.0-BANDE_D2RATIO*BANDE_D, -HOLE1_R-HOLE2_TAN*BANDE_D,                 -BALL_D/2.0, fx,fy );
           TABLEVERTEX( -area_w/2.0,                        0.0,                                        -BALL_D/2.0, fx,fy );
           for(j=0;j<AREA_SUBDIV_Y/2-1;j++){
               TABLEVERTEX( -TABLE_W/2.0-BANDE_D2RATIO*BANDE_D, -area_l*(j+1)/AREA_SUBDIV_Y,                -BALL_D/2.0, fx,fy );
               TABLEVERTEX( -area_w/2.0,                        -area_l*(j+1)/AREA_SUBDIV_Y,                -BALL_D/2.0, fx,fy );
           }
           TABLEVERTEX( -TABLE_W/2.0-BANDE_D2RATIO*BANDE_D, -TABLE_L/2.0+edge_xyoffs+HOLE1_TAN*BANDE_D, -BALL_D/2.0, fx,fy );
           TABLEVERTEX( -area_w/2.0,                        -area_l/2.0,                                -BALL_D/2.0, fx,fy );
           glEnd();

           /* quad between area-edge and hole */
           glBegin(GL_TRIANGLES);

           TABLEVERTEX( -area_w/2.0,                            -area_l/2.0,                                -BALL_D/2.0, fx,fy );
           TABLEVERTEX( -TABLE_W/2.0-HOLE1_XYOFFS+HOLE1_R/SQR2, -TABLE_L/2.0-HOLE1_XYOFFS+HOLE1_R/SQR2,     -BALL_D/2.0, fx,fy );
           TABLEVERTEX( -TABLE_W/2.0-BANDE_D2RATIO*BANDE_D,     -TABLE_L/2.0+edge_xyoffs+HOLE1_TAN*BANDE_D, -BALL_D/2.0, fx,fy );

           TABLEVERTEX( -area_w/2.0,                            -area_l/2.0,                                -BALL_D/2.0, fx,fy );
           TABLEVERTEX( -TABLE_W/2.0+edge_xyoffs+HOLE1_TAN*BANDE_D, -TABLE_L/2.0-BANDE_D2RATIO*BANDE_D,     -BALL_D/2.0, fx,fy );
           TABLEVERTEX( -TABLE_W/2.0-HOLE1_XYOFFS+HOLE1_R/SQR2, -TABLE_L/2.0-HOLE1_XYOFFS+HOLE1_R/SQR2,     -BALL_D/2.0, fx,fy );

           glEnd();
       }

#define HOLE2_SEGNR_2 12
//   if(  )
       for(k=0;k<2;k++){  /* left, right hole */
           if(k==0) glFrontFace(GL_CCW); else glFrontFace(GL_CW);
           glBegin(GL_QUAD_STRIP);
           for(i=0;i<HOLE2_SEGNR_2+1;i++){
               double phi,x,y;
               phi=(double)i*M_PI/HOLE2_SEGNR_2;
               x=-TABLE_W/2.0-HOLE2_XYOFFS+HOLE2_R*sin(phi);
               y=HOLE2_R*cos(phi);
               if(k!=0) x=-x;
               glTexCoord2f( TABLETEXCOORD_X(x,y), TABLETEXCOORD_Y(x,y) );
               glNormal3f( 0.0, 0.0, 1.0 );
               glVertex3f( x,y, -BALL_D/2.0 );
               x=-TABLE_W/2.0-HOLE2_XYOFFS+(HOLE2_R-HOLE2_PHASE)*sin(phi);
               y=(HOLE2_R-HOLE2_PHASE)*cos(phi);
               if(k!=0) x=-x;
               glTexCoord2f( TABLETEXCOORD_X(x,y), TABLETEXCOORD_Y(x,y) );
               glNormal3f( -sin(phi), (k==0)?-cos(phi):cos(phi), 0.0 );
               glVertex3f( x,y, -BALL_D/2.0-HOLE2_PHASE );
           }
           glEnd();
       }

       for(k=0;k<2;k++){  /* left, right hole fans */
           for(j=0;j<2;j++){ /* fan 1, 2 */
               if(j^k) glFrontFace(GL_CCW); else glFrontFace(GL_CW);
               glBegin(GL_TRIANGLE_FAN);
               glNormal3f( 0.0, 0.0, 1.0 );
               x=-TABLE_W/2.0-BANDE_D*BANDE_D2RATIO; y=-HOLE2_R-BANDE_D*HOLE2_TAN;
               if(j!=0) y=-y;
               if(k!=0) x=-x;
               glTexCoord2f( TABLETEXCOORD_X(x,y), TABLETEXCOORD_Y(x,y) );
               glVertex3f( x, y, -BALL_D/2.0 );
               for(i=0;i<HOLE2_SEGNR_2/2+1;i++){
                   double phi,x,y;
                   phi=(double)i*M_PI/HOLE2_SEGNR_2;
                   x=-TABLE_W/2.0-HOLE2_XYOFFS+HOLE2_R*sin(phi);
                   y=-HOLE2_R*cos(phi);
                   if(j!=0) y=-y;
                   if(k!=0) x=-x;
                   glTexCoord2f( TABLETEXCOORD_X(x,y), TABLETEXCOORD_Y(x,y) );
                   glNormal3f( 0.0, 0.0, 1.0 );
                   glVertex3f( x,y, -BALL_D/2.0 );
               }
               glEnd();
           }
       }

       glFrontFace(GL_CW);
   } /* if(!carambol) */

/*   my_glBox( -tablew/2.0, -tablel/2.0, -balld/2.0,
              tablew/2.0,  tablel/2.0, -balld/2.0-6.0*cm );*/

//   hole_r1 = HOLE1_W/