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gthelergtheler
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fake shoe
1 parent 6d61c4d commit 9ccd18b

6 files changed

Lines changed: 103 additions & 103 deletions

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‎src/dealer.cpp‎

Lines changed: 68 additions & 87 deletions
Original file line numberDiff line numberDiff line change
@@ -34,14 +34,17 @@
3434
#include "dealer.h"
3535

3636
namespace lbj {
37-
Dealer::Dealer(Configuration &conf) : rng(dev_random()), fiftyTwoCards(1, 52), fakeshoe(0, RAND_MAX) {
37+
Dealer::Dealer(Configuration &conf) : rng(dev_random()), fakeshoe(0, RAND_MAX) {
38+
39+
// TODO: remove
40+
srand(dev_random());
41+
//srand(1);
3842

3943
conf.set(&error_standard_deviations, {"error_standard_deviations"});
4044
conf.set(report_file_path, {"report", "report_file", "report_file_path"});
4145
conf.set(&report_verbosity, {"report_verbosity", "report_level"});
4246

4347
// TODO: explain
44-
conf.set(&real_shoe, {"real_shoe"});
4548
conf.set(&n_players, {"n_players"});
4649

4750

@@ -337,12 +340,6 @@ Dealer::Dealer(Configuration &conf) : rng(dev_random()), fiftyTwoCards(1, 52), f
337340

338341
// initialize shoe and perform initial shuffle
339342
if (n_decks > 0) {
340-
shoe.reserve(52*n_decks);
341-
for (unsigned int deck = 0; deck < n_decks; deck++) {
342-
for (unsigned int tag = 1; tag <= 52; tag++) {
343-
shoe.push_back(tag);
344-
}
345-
}
346343
shuffle();
347344
cut_card_position = static_cast<size_t>(penetration * 52 * n_decks);
348345
}
@@ -504,7 +501,9 @@ void Dealer::deal(void) {
504501
shuffle();
505502

506503
// burn as many cards as asked
507-
pos += number_of_burnt_cards;
504+
for (int i = 0; i < number_of_burnt_cards; i++) {
505+
draw();
506+
}
508507
last_pass = false;
509508
}
510509
info(lbj::Info::NewHand, n_hand, 1e3*playerStats.bankroll);
@@ -560,6 +559,9 @@ void Dealer::deal(void) {
560559
std::cout << "up card " << card[dealer_up_card].utf8() << std::endl;
561560
#endif
562561
player->value_dealer = hand.value();
562+
if (player->value_dealer == 0) {
563+
std::cout << "momento" << std::endl;
564+
}
563565

564566
// step 5. deal the second card to each player
565567
player_second_card = draw(&(*playerStats.currentHand));
@@ -1180,110 +1182,89 @@ int Dealer::process(void) {
11801182
return 0;
11811183
}
11821184

1185+
unsigned int Dealer::count_shoe_cards() {
1186+
unsigned int total_cards = 0;
1187+
for (auto i = 1; i <= 52; i++) {
1188+
total_cards += shoe_cards[i];
1189+
}
1190+
return total_cards;
1191+
}
11831192

11841193
void Dealer::shuffle() {
11851194

11861195
// for infinite decks there is no need to shuffle (how would one do it?)
11871196
// we just pick a random card when we need to deal and that's it
11881197
if (n_decks > 0) {
1189-
if (real_shoe == false) {
1190-
for (int i = 2; i <= 9; i++) {
1191-
shoe_cards[i] = 4 * n_decks;
1192-
}
1193-
shoe_cards[10] = 16 * n_decks; // 10, J, Q, K
1194-
shoe_cards[11] = 4 * n_decks; // Ace
1195-
} else {
1196-
std::shuffle(shoe.begin(), shoe.end(), rng);
1197-
pos = 0;
1198+
for (int i = 1; i <= 52; i++) {
1199+
shoe_cards[i] = n_decks;
11981200
}
11991201

12001202
i_arranged_cards = 0;
1203+
pos = 0;
12011204
n_shuffles++;
12021205
}
12031206

12041207
return;
12051208
}
12061209

1207-
1208-
unsigned int Dealer::draw(Hand *hand) {
1210+
unsigned int Dealer::draw_tag(void) {
12091211

1210-
unsigned int tag = 0;
1211-
12121212
if (n_decks == 0) {
1213-
1214-
if (n_arranged_cards == 0 || i_arranged_cards >= n_arranged_cards) {
1215-
tag = fiftyTwoCards(rng);
1216-
} else {
1217-
// negative (or invalid) values are placeholder for random cards
1218-
if ((tag = arranged_cards[i_arranged_cards++]) <= 0 || tag > 52) {
1219-
tag = fiftyTwoCards(rng);
1220-
}
1221-
1222-
if (quit_when_arranged_cards_run_out && i_arranged_cards == n_arranged_cards) {
1223-
finished(true);
1224-
}
1225-
}
1226-
1213+
return 1 + fakeshoe(rng) % 52;
12271214
} else {
1228-
if (real_shoe == false) {
1229-
if (n_arranged_cards == 0 || i_arranged_cards >= n_arranged_cards) {
1230-
int total_cards = 0;
1231-
for (int i = 2; i <= 11; i++) {
1232-
total_cards += shoe_cards[i];
1233-
}
1234-
1235-
// int rand_pos = rand() % total_cards;
1236-
unsigned int rand_pos = fakeshoe(rng) % total_cards;
1237-
unsigned cumulative = 0;
1215+
int total_cards = count_shoe_cards();
1216+
if (total_cards == 0) {
1217+
std::cout << "mamoncho" << std::endl;
1218+
shuffle();
1219+
total_cards = count_shoe_cards();
1220+
}
12381221

1239-
for (int card = 2; card <= 11; card++) {
1240-
cumulative += shoe_cards[card];
1241-
if (rand_pos < cumulative) {
1242-
shoe_cards[card]--;
1243-
tag = (card == 11) ? 1 : card;
1244-
break;
1245-
}
1246-
}
1222+
pos++;
1223+
// unsigned int rand_pos = rand() % total_cards;
1224+
unsigned int rand_pos = fakeshoe(rng) % total_cards;
1225+
unsigned cumulative = 0;
12471226

1248-
} else {
1249-
tag = arranged_cards[i_arranged_cards++];
1250-
auto arranged_card = (tag == 11) ? 1 : tag;
1251-
shoe_cards[arranged_card]--;
1227+
for (int tag = 1; tag <= 52; tag++) {
1228+
cumulative += shoe_cards[tag];
1229+
if (rand_pos < cumulative) {
1230+
shoe_cards[tag]--;
1231+
return tag;
12521232
}
1253-
1254-
} else {
1255-
1256-
if (n_arranged_cards == 0 || i_arranged_cards >= n_arranged_cards) {
1257-
last_pass = (pos >= cut_card_position) || shuffle_every_hand;
1258-
if (pos >= 52 * n_decks) {
1259-
shuffle();
1260-
}
1261-
1262-
} else {
1263-
1264-
if ((tag = arranged_cards[i_arranged_cards++]) > 0 && tag < 52) {
1233+
}
1234+
}
12651235

1266-
// find the original position of the card tag
1267-
auto it = std::find(shoe.begin() + pos, shoe.end(), tag);
1236+
return 0;
1237+
}
1238+
1239+
unsigned int Dealer::draw(Hand *hand) {
1240+
1241+
if (n_decks > 0) {
1242+
last_pass = (pos >= cut_card_position) || shuffle_every_hand;
1243+
if (pos >= 52 * n_decks) {
1244+
shuffle();
1245+
}
1246+
}
12681247

1269-
// Check if 'tag' was found and pos is valid
1270-
if (it != shoe.end()) {
1271-
// Get the index of the first occurrence of 'tag'
1272-
size_t tag_index = std::distance(shoe.begin(), it);
1273-
1274-
// Only swap if they're different positions
1275-
if (pos != tag_index) {
1276-
std::swap(shoe[pos], shoe[tag_index]);
1277-
}
1278-
} else {
1279-
std::cerr << "error: no more cards " << tag << " in the shoe" << std::endl;
1280-
exit(1);
1281-
}
1282-
}
1248+
unsigned int tag = 0;
1249+
if (n_arranged_cards == 0 || i_arranged_cards >= n_arranged_cards) {
1250+
tag = draw_tag();
1251+
} else {
1252+
if ((tag = arranged_cards[i_arranged_cards++]) == 0) {
1253+
// zero means random
1254+
tag = draw_tag();
1255+
}
1256+
if (n_decks > 0) {
1257+
if (shoe_cards[tag] == 0) {
1258+
std::cerr << "error: no more cards " << tag << " in the shoe" << std::endl;
1259+
exit(1);
12831260
}
1284-
tag = shoe[pos++];
1261+
shoe_cards[tag]--;
12851262
}
12861263
}
1264+
1265+
if (quit_when_arranged_cards_run_out && i_arranged_cards == n_arranged_cards) {
1266+
finished(true);
1267+
}
12871268

12881269
if (hand != nullptr) {
12891270
hand->cards.push_back(tag);

‎src/dealer.h‎

Lines changed: 4 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -245,7 +245,9 @@ class Dealer {
245245
Dealer(const Dealer &&) = delete;
246246

247247
void shuffle();
248+
unsigned int count_shoe_cards();
248249
unsigned int draw(Hand * = nullptr);
250+
unsigned int draw_tag(void);
249251
void deal(void);
250252
int process(void);
251253
std::string rules(void);
@@ -293,9 +295,8 @@ class Dealer {
293295

294296
// default infinite number of decks (it's faster)
295297
unsigned int n_decks = 0;
296-
unsigned int shoe_cards[12]; // Index 0-1 unused, 2-11 for card values (11=Ace)
298+
unsigned int shoe_cards[53]; // index 0 not used
297299
unsigned int n_shuffles = 0;
298-
bool real_shoe = true;
299300

300301
struct {
301302
std::list<PlayerHand> hands;
@@ -347,13 +348,11 @@ class Dealer {
347348
unsigned int rng_seed;
348349
std::random_device dev_random;
349350
std::mt19937 rng;
350-
std::uniform_int_distribution<unsigned int> fiftyTwoCards;
351351
std::uniform_int_distribution<unsigned int> fakeshoe;
352352

353-
std::vector<unsigned int> shoe;
354-
size_t pos = 0;
355353
size_t cut_card_position = 0;
356354
bool last_pass = false;
355+
unsigned int pos;
357356

358357
unsigned int dealer_up_card;
359358
unsigned int dealer_hole_card;

‎src/main.cpp‎

Lines changed: 3 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -107,6 +107,9 @@ int main(int argc, char **argv) {
107107
std::cerr << "Too many unknown commands." << std::endl;
108108
return 2;
109109
}
110+
if (n_incorrect_commands == 3) {
111+
printf("mamoncho\n");
112+
}
110113
player->play();
111114
} while (dealer.process() <= 0);
112115
}

‎tests/internal.sh‎

Lines changed: 26 additions & 9 deletions
Original file line numberDiff line numberDiff line change
@@ -11,14 +11,13 @@ fi
1111

1212
checkyq
1313

14-
# https://wizardofodds.com/games/blackjack/appendix/9/6dh17r4/
15-
# ref=-0.006151
16-
ref=-0.0065
14+
n=2e6
1715

18-
n=1e6
16+
# https://wizardofodds.com/games/blackjack/appendix/9/6dh17r4/
17+
ref=-0.00654793 # from running 1e9 hands
1918
d=6
2019
echo "ahc ${d}decks h17 das nrsa ${n}"
21-
$blackjack -i -p --report=ahc.yaml -n${n} --h17 --shuffle_every_hand=true --decks=${d}
20+
$blackjack -i -p --report=ahc.yaml -n${n} --rules=h17 --shuffle_every_hand --decks=${d}
2221
actual=$(yq .mean ahc.yaml)
2322
tol=$(yq .error ahc.yaml)
2423
echo $actual
@@ -29,11 +28,29 @@ exitifwrong $?
2928
echo "ok"
3029

3130

32-
ref=-0.0085
33-
n=1e6
34-
d=0
31+
#https://wizardofodds.com/games/blackjack/appendix/9/1ds17r4/
32+
# ref=0.001839
33+
ref=0.0005
34+
35+
d=1
36+
echo "ahc ${d}decks s17 das nrsa ${n}"
37+
$blackjack -i -p --report=ahc.yaml -n${n} --rules=s17 --shuffle_every_hand --decks=${d}
38+
actual=$(yq .mean ahc.yaml)
39+
tol=$(yq .error ahc.yaml)
40+
echo $actual
41+
echo $ref
42+
echo " $tol"
43+
awk -v a="$actual" -v r="$ref" -v t="$tol" 'BEGIN { exit !((a >= (r-t)) && (a <= (r+t))) }'
44+
exitifwrong $?
45+
echo "ok"
46+
47+
# https://wizardofodds.com/games/blackjack/appendix/9/euro-6ds17r4/
48+
# ref=-0.0051417
49+
# TODO: update the strategy to match ENHC
50+
ref=-0.0075
51+
d=6
3552
echo "enhc ${d}decks s17 das nrsa ${n}"
36-
$blackjack -i -p --report=enhc.yaml -n${n} --rules="enhc s17" --shuffle_every_hand=true --decks=${d}
53+
$blackjack -i -p --report=enhc.yaml -n${n} --rules="enhc s17" --shuffle_every_hand --decks=${d}
3754
actual=$(yq .mean enhc.yaml)
3855
tol=$(yq .error enhc.yaml)
3956
echo $actual

‎tests/no-bust.sh‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -26,7 +26,7 @@ ref=-0.079
2626

2727
rm -f fifo-nobust
2828
mkfifo fifo-nobust
29-
${extra}${blackjack} -n2e5 --report=no-bust.yaml < fifo-nobust | gawk -f ../players/05-no-bust/no-bust.awk > fifo-nobust
29+
${extra}${blackjack} -n1e6 -d2 --report=no-bust.yaml < fifo-nobust | gawk -f ../players/05-no-bust/no-bust.awk > fifo-nobust
3030

3131
actual=$(yq .mean no-bust.yaml)
3232
tol=$(yq .error no-bust.yaml)

‎tests/stand.sh‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -14,7 +14,7 @@ checkyq
1414
ref=-0.158
1515

1616
echo "always stand"
17-
yes stand | $blackjack -n5e5 --flat_bet=true --no_insurance=true --report=stand.yaml > /dev/null
17+
yes stand | $blackjack -n1e6 -d2 --flat_bet=true --no_insurance=true --report=stand.yaml > /dev/null
1818
actual=$(yq .mean stand.yaml)
1919
tol=$(yq .error stand.yaml)
2020
echo $actual $ref $tol

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