static int
score_large_straight (int field) {
if (find_straight (5, 0, 0))
return 40;
return 0;
}
static int
score_small_straight (int field) {
if (find_straight (4, 0, 0))
return 30;
return 0;
}
static void
BuildTable(const player &p, int NumberOfRolls)
{
int i;
int j;
int k;
int d;
int d2 = -1;
int overflow;
for (i = 0; i < NUM_FIELDS; ++i)
{
if (p.score(i) >= 0)
bc_table[i].value = -99;
else
bc_table[i].value = throwaway[i];
TagRerolls(&bc_table[i]);
}
/*
** HANDLING UPPER SLOTS
*/
/*
** first, we calculate the overflow of the upper ranks. that is, we
** count all the points we have left over from our 3-of-all rule
** if we get 3 of all in the upper ranks, we get a bonus, so if
** we get 4 of something, that means a lower roll may be acceptable,
** as long as we remain in the running for a bonus. overflow can
** be negative as well, in which case throwaway rolls are not
** encouraged, and a high roll will get a nice boost
*/
overflow = 0;
for (i = 0; i < NUM_UPPER; ++i)
{
if (p.score(i) >= 0)
continue;
overflow += (count(i+1) - 3) * (i+1);
}
for (i = 0; i < NUM_UPPER; ++i)
{
if (p.score(i) >= 0)
continue;
ClearRerolls(&bc_table[i]);
for (d = 0; d < 5; ++d) {
if (DiceValues[d].val != i + 1)
TagReroll(&bc_table[i],d);
}
/*
** ok. now we set a base value on the roll based on its count and
** how much it is worth to us.
*/
bc_table[i].value = count(i+1) * 8;
/*
** we have to play games with the bonus.
** if we already have a bonus, then all free slots are candidates for
** throwing away - we only do this when there are no more rolls
** if this would get us a bonus, we make it very attractive
**
** if we get 3 of everything on the top, we get a bonus. so...
** if we have more than 3, we make the choice more attractive.
** if less than 3, we make it less attractive.
** if our overflow (any that are more than 3, summed up) covers up
** our lack (if we only have 2, and there were 4 6's), we
** do not penalize ourselves as much (since we're still in the
** running for a bonus)
*/
if (p.upperTotal() >= 63)
{
if (NumberOfRolls > 2)
bc_table[i].value += 10;
}
else if (p.upperTotal() + count(i+1) * (i+1) >= 63)
{
bc_table[i].value += 35;
}
if (count(i+1) < 3)
{
if (overflow < (3 - count(i+1)) * (i+1))
bc_table[i].value -= (3 - count(i+1)) * 2;
}
else if (count(i+1) > 3)
{
bc_table[i].value += (count(i+1) - 3) * 2;
}
}
/*
** HANDLING LOWER SLOTS
*/
/*
** first, we look for potential. these values will be larger than the
** single rolls but less than the made rolls (or those with higher value)
**
** we also do such thinking only if we're not supposed to be looking just
** for the best combinations...
*/
if (NumberOfRolls < 3)
{
/*
** searching for large straight... here we chicken out and only look at
** runs which might have possibilities
*/
if (p.score(H_LS) < 0)
{
for (i = 4; i > 0; --i)
{
d2 = find_straight(i, 0, 0 /* SDH 0 or 1? */);
if (d2 == 0)
continue;
bc_table[H_LS].value = (40 * i) / 5;
ClearRerolls(&bc_table[H_LS]);
for (d = 1; d < 7; ++d)
{
if (count(d) > 0)
{
if (d < d2 || d >= d2 + i)
k = count(d);
else
k = count(d) - 1;
if (k < 1)
continue;
for (j = 0; j < 5; ++j)
{
if (DiceValues[j].val!=d)
continue;
TagReroll(&bc_table[H_LS],j);
if (!--k)
break;
}
}
}
break;
}
}
/*
** searching for small straight... here we chicken out and only look at
** runs which might have possibilities
*/
if (p.score(H_SS) < 0)
{
for (i = 3; i > 0; --i)
{
d2 = find_straight(i, 0, 0 /* SDH 0 or 1? */);
if (d2 == 0)
continue;
bc_table[H_SS].value = (30 * i) / 4;
ClearRerolls(&bc_table[H_SS]);
for (d = 1; d < 7; ++d)
{
if (count(d) > 0)
{
if (d < d2 || d >= d2 + i)
k = count(d);
else
k = count(d) - 1;
if (k < 1)
continue;
for (j = 0; j < 5; ++j)
{
if (DiceValues[j].val!=d)
continue;
TagReroll(&bc_table[H_SS],j);
if (!--k)
break;
}
}
}
break;
}
}
/*
** searching for 3 of a kind
*/
if (p.score(H_3) < 0)
{
for (i = 2; i > 0; --i)
{
for (d = 6; d > 0; --d)
{
if (count(d) >= i)
break;
}
if (d == 0)
continue;
ClearRerolls(&bc_table[H_3]);
bc_table[H_3].value = (d * i);
for (j = 0; j < 5; ++j)
if (DiceValues[j].val != d) {
TagReroll(&bc_table[H_3],j);
}
break;
}
}
/*
** searching for 4 of a kind
*/
if (p.score(H_4) < 0)
{
for (i = 3; i > 0; --i)
{
for (d = 6; d > 0; --d)
{
if (count(d) >= i)
break;
}
if (d == 0)
continue;
bc_table[H_4].value = (d * i);
ClearRerolls(&bc_table[H_4]);
for (j = 0; j < 5; ++j)
if (DiceValues[j].val != d) {
TagReroll(&bc_table[H_4],j);
}
break;
}
}
/*
** searching for yahtzee... we can't set the potential value too high
** because if we fail, the value will be no better than 4 of a kind (or so)
** so, we make scoring the same as for 3-4 of a kind (this is 5 of a kind!)
*/
if (p.score(H_YA) < 0)
{
for (i = 4; i > 0; --i)
{
for (d = 6; d > 0; --d)
{
if (count(d) >= i)
break;
}
if (d == 0)
continue;
bc_table[H_YA].value = (d * i);
ClearRerolls(&bc_table[H_YA]);
for (j = 0; j < 5; ++j)
if (DiceValues[j].val != d)
TagReroll(&bc_table[H_YA],j);
break;
}
}
/*
** searching for full house
*/
if (p.score(H_FH) < 0)
{
for (i = 4; i > 0; --i)
{
d = find_n_of_a_kind(i, 0);
if (d == 0)
continue;
for (j = i; j > 0; --j)
{
d2 = find_n_of_a_kind(j, d);
if (d2 > 0)
break;
}
if (j == 0)
continue;
ClearRerolls(&bc_table[H_FH]);
bc_table[H_FH].value = (i * 24 + j * 36) / 6;
for (i = 0; i < 5; ++i)
{
if (DiceValues[i].val != d &&
DiceValues[i].val != d2)
TagReroll(&bc_table[H_FH],i);
}
break;
}
}
}
/*
** now we look hard at what we got
*/
if (p.score(H_SS) < 0 && find_straight(4, 0, 0))
{
d = find_straight(4, 0, 0);
for (i = 0; i < 5; ++i)
if (count(DiceValues[i].val) > 1 ||
DiceValues[i].val < d || DiceValues[i].val > d + 3) {
TagReroll(&bc_table[H_SS],i);
break;
}
bc_table[H_SS].value = 30;
}
if (p.score(H_LS) < 0 && find_straight(5, 0, 0))
{
bc_table[H_LS].value = 40;
ClearRerolls(&bc_table[H_LS]);
}
if (p.score(H_CH) < 0 && NumberOfRolls > 2)
{
bc_table[H_CH].value = add_dice();
if (bc_table[H_CH].value < 20)
bc_table[H_CH].value /= 2;
ClearRerolls(&bc_table[H_CH]);
for (i = 0; i < 5; ++i)
if (DiceValues[i].val < 4)
TagReroll(&bc_table[H_CH],i);
}
if (p.score(H_FH) < 0)
{
d = find_n_of_a_kind(3, 0);
if (d != 0)
{
if (find_n_of_a_kind(2, d))
{
bc_table[H_FH].value = 25;
ClearRerolls(&bc_table[H_FH]);
}
}
}
if (p.score(H_3) < 0)
{
d = find_n_of_a_kind(3, 0);
if (d != 0)
{
bc_table[H_3].value = add_dice();
ClearRerolls(&bc_table[H_3]);
for (i = 0; i < 5; ++i)
if (d != DiceValues[i].val)
TagReroll(&bc_table[H_3],i);
}
}
if (p.score(H_4) < 0)
{
d = find_n_of_a_kind(4, 0);
if (d != 0)
{
/*
** there will be a tie between 3 of a kind and 4 of a kind. we add 1
** to break the tie in favor of 4 of a kind
*/
bc_table[H_4].value = add_dice() + 1;
ClearRerolls(&bc_table[H_4]);
for (i = 0; i < 5; ++i)
if (d != DiceValues[i].val)
TagReroll(&bc_table[H_4],i);
}
}
if (find_n_of_a_kind(5, 0))
{
if (p.score(H_YA) == 0)
bc_table[H_YA].value = -99; /* scratch */
else
bc_table[H_YA].value = 150; /* so he will use it! */
}
}
