/* Intercept a check to the white king with a promoted black pawn
* @param intercepter_index identifies intercepting pawn
* @param where_to_intercept what square
* @param is_diagonal true iff we are intercepting a check on a diagonal line
* @param go_on what to do after each successful interception?
*/
static void promoted_black_pawn(slice_index si,
unsigned int intercepter_index,
square where_to_intercept,
boolean is_diagonal,
void (*go_on)(slice_index si))
{
TraceFunctionEntry(__func__);
TraceFunctionParam("%u",intercepter_index);
TraceSquare(where_to_intercept);
TraceFunctionParam("%u",is_diagonal);
TraceFunctionParamListEnd();
if (intelligent_can_promoted_black_pawn_theoretically_move_to(intercepter_index,
where_to_intercept))
{
piece_walk_type pp;
for (pp = pieces_pawns_promotee_sequence[pieces_pawns_promotee_chain_orthodox][Empty]; pp!=Empty; pp = pieces_pawns_promotee_sequence[pieces_pawns_promotee_chain_orthodox][pp])
switch (pp)
{
case Queen:
break;
case Rook:
if (is_diagonal)
intelligent_place_promoted_black_rider(si,
intercepter_index,
Rook,
where_to_intercept,
go_on);
break;
case Bishop:
if (!is_diagonal)
intelligent_place_promoted_black_rider(si,
intercepter_index,
Bishop,
where_to_intercept,
go_on);
break;
case Knight:
intelligent_place_promoted_black_knight(si,
intercepter_index,
where_to_intercept,
go_on);
break;
default:
assert(0);
break;
}
}
TraceFunctionExit(__func__);
TraceFunctionResultEnd();
}
void intelligent_place_promoted_black_pawn(unsigned int placed_index,
square placed_on,
void (*go_on)(void))
{
TraceFunctionEntry(__func__);
TraceFunctionParam("%u",placed_index);
TraceSquare(placed_on);
TraceFunctionParamListEnd();
if (intelligent_can_promoted_black_pawn_theoretically_move_to(placed_index,
placed_on))
{
piece_walk_type pp;
for (pp = pieces_pawns_promotee_sequence[pieces_pawns_promotee_chain_orthodox][Empty]; pp!=Empty; pp = pieces_pawns_promotee_sequence[pieces_pawns_promotee_chain_orthodox][pp])
switch (pp)
{
case Queen:
case Rook:
case Bishop:
intelligent_place_promoted_black_rider(placed_index,
pp,
placed_on,
go_on);
break;
case Knight:
intelligent_place_promoted_black_knight(placed_index,placed_on,go_on);
break;
default:
assert(0);
break;
}
}
TraceFunctionExit(__func__);
TraceFunctionResultEnd();
}
