static void display_grid_static(t_game *game, t_pos pos)
{
int i;
if (!pos.col)
return (ft_putchar('|'));
if (!pos.row)
{
i = game->wide + 1;
while (i--)
{
if (pos.col == game->pos.col && !i)
ft_putchar('|');
else
ft_putchar('-');
}
return ;
}
if (pos.row == game->pos.row + 1)
return (display_col_number(game, pos));
if (pos.row)
return (display_pawn(game, pos));
}
void display_chessboard(Chessboard *cboard)
{
glPushMatrix();
glTranslatef(cboard->pos[0], cboard->pos[1], cboard->pos[2]);
GLdouble x, y;
int color = 0;
int xcell = -1;
int ycell;
GLdouble step = cboard->cell_width;
for (x=-0.5f; x<0.5f; x+=step){
xcell++;
ycell = NUM_CELLS;
color = 1 - color;
for (y=-0.5f; y<0.5f; y+=step){
ycell--;
/* flip color */
color = 1 - color;
/* choose material color */
if (CELL_NONE != cboard->cells_highlighted[CELL(xcell, ycell)]) {
glMaterialfv(GL_FRONT, GL_AMBIENT, cboard->color_highlighted);
glMaterialfv(GL_FRONT, GL_DIFFUSE, cboard->color_highlighted);
glMaterialfv(GL_FRONT, GL_SPECULAR, cboard->color_specular);
glMaterialf(GL_FRONT, GL_SHININESS, 10.0f);
}
else {
if (cboard->cell_highlighted == CELL(xcell, ycell)) {
glMaterialfv(GL_FRONT, GL_AMBIENT, cboard->color_selected);
glMaterialfv(GL_FRONT, GL_DIFFUSE, cboard->color_selected);
glMaterialfv(GL_FRONT, GL_SPECULAR, cboard->color_specular);
glMaterialf(GL_FRONT, GL_SHININESS, 10.0f);
}
else {
if (color) {
glMaterialfv(GL_FRONT, GL_AMBIENT, cboard->color_dark);
glMaterialfv(GL_FRONT, GL_DIFFUSE, cboard->color_dark);
glMaterialfv(GL_FRONT, GL_SPECULAR, cboard->color_specular);
glMaterialf(GL_FRONT, GL_SHININESS, 60.0f);
}
else {
glMaterialfv(GL_FRONT, GL_AMBIENT, cboard->color_clear);
glMaterialfv(GL_FRONT, GL_DIFFUSE, cboard->color_clear);
glMaterialfv(GL_FRONT, GL_SPECULAR, cboard->color_specular);
glMaterialf(GL_FRONT, GL_SHININESS, 40.0f);
}
}
}
/* draw cell */
glBegin(GL_QUADS);
glNormal3f(0.0,0.0,1.0);
glVertex3d(x, 0, y);
glVertex3d(x+step, 0, y);
glVertex3d(x+step, 0, y+step);
glVertex3d(x, 0, y+step);
glEnd();
/* draw pawn at cell */
void *p = get_piece_addr(cboard->bitboard, xcell, ycell);
if (p != NULL) {
Pawn *pawn = *((Pawn **) p);
chessboard_set_piece_at_cell(cboard, pawn, CELL(xcell, ycell));
display_pawn(pawn,
CELL(xcell, ycell) == cboard->cell_selected ? PAWN_SELECTED
: PAWN_NORMAL
);
}
}
}
glPopMatrix();
}
