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A bit more code cleanup

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Dominic Masters
2021-11-22 20:25:45 -08:00
parent a4198e8396
commit 6c9eb8b685
217 changed files with 206 additions and 184 deletions
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65
src/dawn/poker/bet.c
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/**
* Copyright (c) 2021 Dominic Masters
*
* This software is released under the MIT License.
* https://opensource.org/licenses/MIT
*/
#include "bet.h"
uint8_t pokerBetGetNextPlayer(poker_t *poker) {
uint8_t i, j;
for(i = 0; i < poker->playerCount; i++) {
j = (i + poker->better + 1) % poker->playerCount;
if(pokerPlayerDoesNeedToBetThisRound(poker, j)) return j;
}
return 0xFF;
}
uint8_t pokerBetGetRemainingBetterCount(poker_t *poker) {
uint8_t i, count;
count = 0;
for(i = 0; i < poker->playerCount; i++) {
if(!pokerPlayerDoesNeedToBetThisRound(poker, i)) continue;
count++;
}
return count;
}
void pokerBet(
poker_t *poker, pokerpot_t *pot, uint8_t playerIndex, int32_t chips
) {
pokerplayer_t *player;
player = poker->players + playerIndex;
player->chips -= chips;
player->currentBet += chips;
pot->chips += chips;
pot->call = mathMax(pot->call, player->currentBet);
pokerPotAddPlayer(pot, playerIndex);
player->state |= POKER_PLAYER_STATE_HAS_BET_THIS_ROUND;
if(chips > 0) player->timesRaised++;
}
void pokerBetForPlayer(poker_t *poker, uint8_t playerIndex, int32_t chips) {
pokerBet(
poker, poker->pots + (poker->potCount - 1), playerIndex, chips
);
}
int32_t pokerBetGetCurrentCallValue(poker_t *poker) {
uint8_t i;
int32_t call;
call = 0;
for(i = 0; i < poker->potCount; i++) {
call = mathMax(call, poker->pots[i].call);
}
return call;
}
//eh
int32_t pokerPlayerGetCallBet(poker_t *poker, pokerplayer_t *player) {
return pokerBetGetCurrentCallValue(poker) - player->currentBet;
}

71
src/dawn/poker/bet.h
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/**
* Copyright (c) 2021 Dominic Masters
*
* This software is released under the MIT License.
* https://opensource.org/licenses/MIT
*/
#pragma once
#include "../libs.h"
#include "../util/math.h"
#include "common.h"
#include "player.h"
#include "pot.h"
/**
* Returns the index of the first player that remains to bet for the current
* round. This is based on whatever current better player index you provide.
*
* @param poker Poker game instance.
* @param current Current better player index.
* @return The player index of the next remaining player, otherwise 0xFF.
*/
uint8_t pokerBetGetNextPlayer(poker_t *poker);
/**
* Returns the count of players remaining to bet.
*
* @param poker Poker game instance.
* @return Count of players left to bet.
*/
uint8_t pokerBetGetRemainingBetterCount(poker_t *poker);
/**
* Let a player bet chips into the pot.
*
* @param poker Poker game instance.
* @param pot Poker pot to bet in to.
* @param playerIndex The players' index that is betting.
* @param chips The amount of chips the player is betting.
*/
void pokerBet(
poker_t *poker, pokerpot_t *pot, uint8_t playerIndex, int32_t chips
);
/**
* Let a player bet chips into the current pot.
*
* @param bet Poker game instance.
* @param playerIndex The players' index that is betting.
* @param chips The amount of chips the player is betting.
*/
void pokerBetForPlayer(poker_t *poker, uint8_t playerIndex, int32_t chips);
/**
* Gets the amount of chips necessary to call the current bet.
*
* @param poker Poker game instance.
* @return Chips necessary to call the current bet.
*/
int32_t pokerBetGetCurrentCallValue(poker_t *poker);
/**
* Get the bet necessary for a specific player to make a call. This takes the
* players current bet and the bet necessary to call into the pot and will
* return the difference.
*
* @param poker Poker game instance.
* @param player Player instance to get the call value for.
* @return The count of chips needed to call into the current active pot.
*/
int32_t pokerPlayerGetCallBet(poker_t *poker, pokerplayer_t *player);

98
src/dawn/poker/card.c
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/**
* Copyright (c) 2021 Dominic Masters
*
* This software is released under the MIT License.
* https://opensource.org/licenses/MIT
*/
#include "card.h"
void cardDeal(
card_t *source, uint8_t *sourceSize, card_t *dest, uint8_t *destSize
) {
card_t card;
uint8_t i;
// Take Card
i = *sourceSize - 1;
card = source[i];
*sourceSize = i;
// Put card
i = *destSize;
dest[i] = card;
*destSize = i+1;
}
void cardHandSort(card_t *cards, uint8_t length) {
arraySort(sizeof(card_t), cards, (int32_t)length, (arraysort_t *)&_cardSorter);
}
int32_t _cardSorter(const void* left, const void* right) {
card_t cardL = *((card_t *)left);
card_t cardR = *((card_t *)right);
uint8_t suitL = cardGetSuit(cardL);
uint8_t suitR = cardGetSuit(cardR);
if(suitL != suitR) return suitL - suitR;
uint8_t numberL = cardGetNumber(cardL);
uint8_t numberR = cardGetNumber(cardR);
// Get the suit and the value of the card (reversed)
return numberR - numberL;
}
int32_t cardContains(card_t *hand, uint8_t length, card_t card) {
return arrayFind(sizeof(card_t), hand, (int32_t)length, &card);
}
int32_t cardContainsNumber(card_t *hand, uint8_t length, uint8_t number) {
int32_t i;
for(i = 0; i < length; i++) {
if(cardGetNumber(hand[i]) == number) return i;
}
return -1;
}
uint8_t cardCountPairs(card_t *in, uint8_t inCount, uint8_t number,
int32_t out[CARD_SUIT_COUNT]
) {
uint8_t i, count;
count = 0;
for(i = 0; i < inCount; i++) {// "For each suit"
if(cardGetNumber(in[i]) != number) continue;
out[count++] = i;
}
return count;
}
void cardShuffle(card_t *hand, uint8_t length) {
arrayShuffle(sizeof(card_t), hand, length);
}
uint8_t cardWriteDeck(card_t *hand) {
uint8_t i;
for(i = 0; i < CARD_DECK_SIZE; i++) hand[i] = i;
return CARD_DECK_SIZE;
}
card_t cardGetHighest(card_t *cards, uint8_t cardCount) {
uint8_t i, number, bestNumber;
card_t card, bestCard;
bestNumber = 0xFF;
for(i = 0; i < cardCount; i++) {
card = cards[i];
number = cardGetNumber(card);
if(number == CARD_ACE) return card;
if(bestNumber != 0xFF && number <= bestNumber) continue;
bestCard = card;
bestNumber = number;
}
return bestCard;
}

214
src/dawn/poker/card.h
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/**
* Copyright (c) 2021 Dominic Masters
*
* This software is released under the MIT License.
* https://opensource.org/licenses/MIT
*/
#pragma once
#include "../libs.h"
#include "../util/array.h"
////////////////////////////////////////////////////////////////////////////////
// Cards
////////////////////////////////////////////////////////////////////////////////
// Aces
#define CARD_CLUBS_TWO 0x00
#define CARD_CLUBS_THREE 0x01
#define CARD_CLUBS_FOUR 0x02
#define CARD_CLUBS_FIVE 0x03
#define CARD_CLUBS_SIX 0x04
#define CARD_CLUBS_SEVEN 0x05
#define CARD_CLUBS_EIGHT 0x06
#define CARD_CLUBS_NINE 0x07
#define CARD_CLUBS_TEN 0x08
#define CARD_CLUBS_JACK 0x09
#define CARD_CLUBS_QUEEN 0x0A
#define CARD_CLUBS_KING 0x0B
#define CARD_CLUBS_ACE 0x0C
// Diamonds
#define CARD_DIAMONDS_TWO 0x0D
#define CARD_DIAMONDS_THREE 0x0E
#define CARD_DIAMONDS_FOUR 0x0F
#define CARD_DIAMONDS_FIVE 0x10
#define CARD_DIAMONDS_SIX 0x11
#define CARD_DIAMONDS_SEVEN 0x12
#define CARD_DIAMONDS_EIGHT 0x13
#define CARD_DIAMONDS_NINE 0x14
#define CARD_DIAMONDS_TEN 0x15
#define CARD_DIAMONDS_JACK 0x16
#define CARD_DIAMONDS_QUEEN 0x17
#define CARD_DIAMONDS_KING 0x18
#define CARD_DIAMONDS_ACE 0x19
// Hearts
#define CARD_HEARTS_TWO 0x1A
#define CARD_HEARTS_THREE 0x1B
#define CARD_HEARTS_FOUR 0x1C
#define CARD_HEARTS_FIVE 0x1D
#define CARD_HEARTS_SIX 0x1E
#define CARD_HEARTS_SEVEN 0x1F
#define CARD_HEARTS_EIGHT 0x20
#define CARD_HEARTS_NINE 0x21
#define CARD_HEARTS_TEN 0x22
#define CARD_HEARTS_JACK 0x23
#define CARD_HEARTS_QUEEN 0x24
#define CARD_HEARTS_KING 0x25
#define CARD_HEARTS_ACE 0x26
// Spades
#define CARD_SPADES_TWO 0x27
#define CARD_SPADES_THREE 0x28
#define CARD_SPADES_FOUR 0x29
#define CARD_SPADES_FIVE 0x2A
#define CARD_SPADES_SIX 0x2B
#define CARD_SPADES_SEVEN 0x2C
#define CARD_SPADES_EIGHT 0x2D
#define CARD_SPADES_NINE 0x2E
#define CARD_SPADES_TEN 0x2F
#define CARD_SPADES_JACK 0x30
#define CARD_SPADES_QUEEN 0x31
#define CARD_SPADES_KING 0x32
#define CARD_SPADES_ACE 0x33
////////////////////////////////////////////////////////////////////////////////
// Suits
////////////////////////////////////////////////////////////////////////////////
#define CARD_SUIT_CLUBS 0x00
#define CARD_SUIT_DIAMONDS 0x01
#define CARD_SUIT_HEARTS 0x02
#define CARD_SUIT_SPADES 0x03
////////////////////////////////////////////////////////////////////////////////
// Card numbers
////////////////////////////////////////////////////////////////////////////////
#define CARD_TWO 0x00
#define CARD_THREE 0x01
#define CARD_FOUR 0x02
#define CARD_FIVE 0x03
#define CARD_SIX 0x04
#define CARD_SEVEN 0x05
#define CARD_EIGHT 0x06
#define CARD_NINE 0x07
#define CARD_TEN 0x08
#define CARD_JACK 0x09
#define CARD_QUEEN 0x0A
#define CARD_KING 0x0B
#define CARD_ACE 0x0C
/** Count of cards in each suit */
#define CARD_COUNT_PER_SUIT 13
/** Count of suits */
#define CARD_SUIT_COUNT 4
/** Standard Card Deck Size */
#define CARD_DECK_SIZE 52
/** Type Representing a card's id */
typedef uint8_t card_t;
/**
* Returns the suit of a given card.
* @param card to get the suit for.
* @returns The suit.
*/
#define cardGetSuit(card) (card / CARD_COUNT_PER_SUIT)
/**
* Returns the number of a given card.
* @param card The card to get the number for.
* @returns The card number.
*/
#define cardGetNumber(card) (card % CARD_COUNT_PER_SUIT)
/**
* Returns the card number for a given suit.
* @param number The number to get.
* @param suit The suit to get.
* @returns The card for this suit and number combo.
*/
#define cardGet(number, suit) ((suit * CARD_COUNT_PER_SUIT) + number)
/**
* Deals a card from an array source to an array destination. Pointers to array
* lengths will be updated.
*
* @param source Array source.
* @param sourceSize Pointer to where the count of cards is being stored.
* @param dest Array destination.
* @param destSize Pointer to the size of the destination array.
*/
void cardDeal(
card_t *source, uint8_t *sourceSize, card_t *dest, uint8_t *destSize
);
/**
* Sort a hand of cards. Cards are ordered in descending weight, aces are high.
* Cards will be grouped by their suits, e.g. CARD_CLUBS_TWO will appear before
* CARD_DIAMONDS_KING.
*
* @param cards Hand of cards to sort.
* @param length Length of the array of cards.
*/
void cardHandSort(card_t *cards, uint8_t length);
int32_t _cardSorter(const void* left, const void* right);
/**
* Check if an array of cards contains a specific card.
*
* @param hand Hand/Array of cards to check.
* @param length Length of the array of cards.
* @param card Card to look for
* @returns The index within the array that the card is. -1 if not found.
*/
int32_t cardContains(card_t *hand, uint8_t length, card_t card);
/**
* Check if the array of cards contains a specific number.
*
* @param hand Array of cards to check
* @param length Length of the array.
* @param number The number to look for.
* @returns The index within the array that the first card is. -1 if not found.
*/
int32_t cardContainsNumber(card_t *hand, uint8_t length, uint8_t number);
/**
* Counts the amount of times a card's number appears within the given hand.
*
* @param in The hand to check
* @param inCount How big the hand being checked is
* @param number The number to look for.
* @param out The indexes within the hand array for each card matching.
* @return How many cards in the pair, e.g. 3 for Three of a kind, 4 for full.
*/
uint8_t cardCountPairs(
card_t *in, uint8_t inCount, uint8_t number, int32_t out[4]
);
/**
* Shuffles a hand / deck
*
* @param hand Hand to shuffle.
* @param length Length of the hand to shuffle.
*/
void cardShuffle(card_t *hand, uint8_t length);
/**
* Write an entire deck of cards (in order) to a given hand.
*
* @param hand Hand to write the deck to.
* @return The count of cards in the deck.
*/
uint8_t cardWriteDeck(card_t *hand);
/**
* Get the highest card from a hand of cards.
*
* @param cards Array of cards.
* @param cardCount Length of the array.
* @return The highest card in the array.
*/
card_t cardGetHighest(card_t *cards, uint8_t cardCount);

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src/dawn/poker/common.h
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/**
* Copyright (c) 2021 Dominic Masters
*
* This software is released under the MIT License.
* https://opensource.org/licenses/MIT
*/
#pragma once
#include "../libs.h"
#include "../util/flags.h"
#include "card.h"
/** Maximum number of players that the game state can support */
#define POKER_PLAYER_COUNT_MAX 5
/** Maximum cards a players' hand can hold */
#define POKER_PLAYER_HAND_SIZE_MAX 2
/** Player States */
#define POKER_PLAYER_STATE_FOLDED flagDefine(0)
#define POKER_PLAYER_STATE_OUT flagDefine(1)
#define POKER_PLAYER_STATE_HAS_BET_THIS_ROUND flagDefine(2)
#define POKER_PLAYER_STATE_SHOWING flagDefine(3)
/** Maximum number of cards that the grave can hold */
#define POKER_GRAVE_SIZE_MAX CARD_DECK_SIZE
/** Maximum number of community cards */
#define POKER_COMMUNITY_SIZE_MAX 5
/** Maximum number of pots in the poker game. */
#define POKER_POT_COUNT_MAX POKER_PLAYER_COUNT_MAX
/** Maximum number of cards a winning state can hold. */
#define POKER_WINNING_FULL_SIZE (\
POKER_PLAYER_HAND_SIZE_MAX + POKER_COMMUNITY_SIZE_MAX\
)
/** How many cards in the winning set */
#define POKER_WINNING_SET_SIZE 5
/** Winning Types */
#define POKER_WINNING_TYPE_NULL 0x00
#define POKER_WINNING_TYPE_ROYAL_FLUSH 0x01
#define POKER_WINNING_TYPE_STRAIGHT_FLUSH 0x02
#define POKER_WINNING_TYPE_FOUR_OF_A_KIND 0x03
#define POKER_WINNING_TYPE_FULL_HOUSE 0x04
#define POKER_WINNING_TYPE_FLUSH 0x05
#define POKER_WINNING_TYPE_STRAIGHT 0x06
#define POKER_WINNING_TYPE_THREE_OF_A_KIND 0x07
#define POKER_WINNING_TYPE_TWO_PAIR 0x08
#define POKER_WINNING_TYPE_PAIR 0x09
#define POKER_WINNING_TYPE_HIGH_CARD 0x0A
#define POKER_WINNING_CONFIDENCE_ROYAL_FLUSH 1.0f
#define POKER_WINNING_CONFIDENCE_STRAIGHT_FLUSH 0.99f
#define POKER_WINNING_CONFIDENCE_FOUR_OF_A_KIND 0.9f
#define POKER_WINNING_CONFIDENCE_FULL_HOUSE 0.85f
#define POKER_WINNING_CONFIDENCE_FLUSH 0.8f
#define POKER_WINNING_CONFIDENCE_STRAIGHT 0.7f
#define POKER_WINNING_CONFIDENCE_THREE_OF_A_KIND 0.5f
#define POKER_WINNING_CONFIDENCE_TWO_PAIR 0.4f
#define POKER_WINNING_CONFIDENCE_PAIR 0.2f
#define POKER_WINNING_CONFIDENCE_HIGH_CARD 0.1f
#define POKER_WORLD_DEALER_INDEX 0x02
#define POKER_WORLD_HUMAN_INDEX 0x02
/** Turn Types */
#define POKER_TURN_TYPE_OUT 0x00
#define POKER_TURN_TYPE_FOLD 0x01
#define POKER_TURN_TYPE_BET 0x02
#define POKER_TURN_TYPE_CALL 0x03
#define POKER_TURN_TYPE_ALL_IN 0x04
#define POKER_TURN_TYPE_CALL_ALL_IN 0x04
#define POKER_TURN_TYPE_CHECK 0x05
#define POKER_TURN_MAX_RAISES 0x02
/** How many chips each player has by defautl */
#define POKER_BET_PLAYER_CHIPS_DEFAULT 1200
/** The default blind cost for the big blind. */
#define POKER_BET_BLIND_BIG_DEFAULT 600
/** The default blind cost for the small blind. (Defaults half big blind) */
#define POKER_BET_BLIND_SMALL_DEFAULT (POKER_BET_BLIND_BIG_DEFAULT/2)
/** How many cards are dealt for the flop, turn and river */
#define POKER_FLOP_CARD_COUNT 3
#define POKER_TURN_CARD_COUNT 1
#define POKER_RIVER_CARD_COUNT 1
/** How many cards the dealer should burn before dealing the flop */
#define POKER_FLOP_BURN_COUNT 1
typedef struct {
/** Count of chips the player has */
int32_t chips;
/** Cards in the players' hand */
card_t cards[POKER_PLAYER_HAND_SIZE_MAX];
uint8_t cardCount;
/** Players current state */
uint8_t state;
/** Current bet that the player has done. */
int32_t currentBet;
/** Count of times that the player has raised their bet */
uint8_t timesRaised;
} pokerplayer_t;
/** Holds information about a player's winning state */
typedef struct {
/** The full set of both the dealer and player's hand */
card_t full[POKER_WINNING_FULL_SIZE];
uint8_t fullSize;
/** Holds the winning set */
card_t set[POKER_WINNING_SET_SIZE];
uint8_t setSize;
/** Winning Type */
uint8_t type;
/** If there was a kicker card it will be here, otherwise -1 for no kicker */
card_t kicker;
} pokerplayerwinning_t;
typedef struct {
/** Current pot of chips */
int32_t chips;
/** Current call value for this pot */
int32_t call;
/** Players who are participating in the pot */
uint8_t players[POKER_PLAYER_COUNT_MAX];
uint8_t playerCount;
} pokerpot_t;
typedef struct {
/** What type of action the turn is */
uint8_t type;
/** How many chips they did in their turn (if applicable) */
int32_t chips;
/** How confident the AI is about their turn. 0 = none, 1 = full */
float confidence;
} pokerturn_t;
typedef struct {
/** Current Card Deck (Dealer) */
card_t deck[CARD_DECK_SIZE];
uint8_t deckSize;
/** Card grave (where spent cards go when burned */
card_t grave[POKER_GRAVE_SIZE_MAX];
uint8_t graveSize;
/** Dealer Hand */
card_t community[POKER_COMMUNITY_SIZE_MAX];
uint8_t communitySize;
/** List of pots in the game (side pots) */
pokerpot_t pots[POKER_POT_COUNT_MAX];
uint8_t potCount;
/** Players within the game */
pokerplayer_t players[POKER_PLAYER_COUNT_MAX];
uint8_t playerCount;
/** Index of the dealer player */
uint8_t playerDealer;
/** Index of the small blind player */
uint8_t playerSmallBlind;
/** Index of the big blind player */
uint8_t playerBigBlind;
/** Which player is the current active better ? */
uint8_t better;
/** Size of the small blind */
int32_t blindSmall;
/** Size of the big blind */
int32_t blindBig;
} poker_t;

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src/dawn/poker/dealer.c
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/**
* Copyright (c) 2021 Dominic Masters
*
* This software is released under the MIT License.
* https://opensource.org/licenses/MIT
*/
#include "dealer.h"
void pokerDealerSet(poker_t *poker, uint8_t dealer) {
uint8_t i, k;
pokerplayer_t *player;
bool foundDealer;
bool foundSmall;
foundDealer = false;
foundSmall = false;
poker->playerDealer = dealer;
for(i = 0; i < poker->playerCount; i++) {
k = (dealer + i) % poker->playerCount;
player = poker->players + k;
if(player->state & POKER_PLAYER_STATE_OUT) continue;
if(!foundDealer) {
poker->playerDealer = k;
foundDealer = true;
} else if(!foundSmall) {
poker->playerSmallBlind = k;
foundSmall = true;
} else {
poker->playerBigBlind = k;
break;
}
}
}
void pokerDealerNew(poker_t *poker) {
pokerDealerSet(poker, poker->playerDealer + 1);
}
void pokerDealerTurn(poker_t *poker, uint8_t count) {
uint8_t i;
for(i = 0; i < count; i++) {
cardDeal(
poker->deck, &poker->deckSize, poker->community, &poker->communitySize
);
}
}
void pokerDealerBurn(poker_t *poker, uint8_t count) {
uint8_t i;
for(i = 0; i < count; i++) {
cardDeal(poker->deck, &poker->deckSize, poker->grave, &poker->graveSize);
}
}
void pokerDeal(poker_t *poker, pokerplayer_t *player, uint8_t count) {
uint8_t i;
for(i = 0; i < count; i++) {
cardDeal(poker->deck, &poker->deckSize, player->cards, &player->cardCount);
}
}
void pokerDealAllPlayers(poker_t *poker, uint8_t count) {
uint8_t i, j;
pokerplayer_t *player;
for(j = 0; j < count; j++) {
for(i = 0; i < poker->playerCount; i++) {
player = poker->players + i;
// Can't deal to a player who is folded or out
if(player->state & (POKER_PLAYER_STATE_FOLDED|POKER_PLAYER_STATE_OUT)) {
continue;
}
pokerDeal(poker, player, 1);
}
}
}

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src/dawn/poker/dealer.h
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/**
* Copyright (c) 2021 Dominic Masters
*
* This software is released under the MIT License.
* https://opensource.org/licenses/MIT
*/
#pragma once
#include "../libs.h"
#include "common.h"
#include "card.h"
/**
* Set a next dealer. This will also select the new small and big blind players.
* This will automatically skip out players if you provide one.
*
* @param poker Poker game to select a new dealer for.
* @param dealer Dealer to become the new dealer.
*/
void pokerDealerSet(poker_t *poker, uint8_t dealer);
/**
* Cycles to the next dealer. This will also select the new small and big blind
* players.
*
* @param poker Poker game to select a new dealer for.
*/
void pokerDealerNew(poker_t *poker);
/**
* Turns over cards from the deck onto the table (from the deck into the dealer
* hand)
*
* @param poker Poker game instance.
* @param count Count of cards to deal.
*/
void pokerDealerTurn(poker_t *poker, uint8_t count);
/**
* Burns a set of cards off the top of the deck into the graveyard.
*
* @param poker Poker game instance.
* @param count Count of cards to burn.
*/
void pokerDealerBurn(poker_t *poker, uint8_t count);
/**
* Deal a card to a player.
*
* @param poker Poker game instance.
* @param player Poker player to deal to.
* @param count Count of cards to deal to the player.
*/
void pokerDeal(poker_t *poker, pokerplayer_t *player, uint8_t count);
/**
* Deal card(s) to every active player.
*
* @param poker Poker game instance.
* @param count Count of cards to deal.
*/
void pokerDealAllPlayers(poker_t *poker, uint8_t count);

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/**
* Copyright (c) 2021 Dominic Masters
*
* This software is released under the MIT License.
* https://opensource.org/licenses/MIT
*/
#include "player.h"
uint8_t pokerPlayerAdd(poker_t *poker) {
pokerplayer_t *player;
uint8_t i = poker->playerCount++;
player = poker->players + i;
player->cardCount = 0;
player->chips = 0;
player->currentBet = 0;
player->timesRaised = 0;
player->state = POKER_PLAYER_STATE_OUT;
return i;
}
void pokerPlayerChipsAdd(pokerplayer_t *player, int32_t chips) {
player->chips += chips;
if(player->chips > 0) {
player->state = flagOff(player->state, POKER_PLAYER_STATE_OUT);
}
}
bool pokerPlayerDoesNeedToBetThisRound(poker_t *poker, uint8_t playerIndex) {
pokerplayer_t *player;
player = poker->players + playerIndex;
if(player->state & POKER_PLAYER_STATE_FOLDED) return false;
if(player->chips <= 0) return false;
if(!(player->state & POKER_PLAYER_STATE_HAS_BET_THIS_ROUND)) return true;
if(player->currentBet < pokerBetGetCurrentCallValue(poker)) return true;
return false;
}
bool pokerPlayerCanCheck(poker_t *poker, pokerplayer_t *player) {
return pokerBetGetCurrentCallValue(poker) <= player->currentBet;
}
void pokerPlayerGetFullHand(
poker_t *poker, pokerplayer_t *player, card_t *cards
) {
uint8_t i;
// Add the dealer hand
for(i = 0; i < poker->communitySize; i++) {
cards[i] = poker->community[i];
}
// Add the player hand
for(i = 0; i < player->cardCount; i++) {
cards[i+poker->communitySize] = player->cards[i];
}
}

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src/dawn/poker/player.h
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/**
* Copyright (c) 2021 Dominic Masters
*
* This software is released under the MIT License.
* https://opensource.org/licenses/MIT
*/
#pragma once
#include "../libs.h"
#include "../util/flags.h"
#include "common.h"
#include "bet.h"
/**
* Add a player to the game. The player starts in an out state (with no chips).
*
* @param poker Poker game instance to add to.
* @return Player index.
*/
uint8_t pokerPlayerAdd(poker_t *poker);
/**
* Add chips to a player. This will also update their state if they were out
* to ensure that they are no longer.
*
* @param player Player to add chips to.
* @param chips Amount of chips to add.
*/
void pokerPlayerChipsAdd(pokerplayer_t *player, int32_t chips);
/**
* Checks a players' state and decided whether or not the players still needs to
* bet for the current round. This will check both whether the player has bet in
* the current round yet, and whether or not they have met the call value of the
* active pot.
*
* @param poker Poker game instance.
* @param playerIndex Player index to check.
* @return
*/
bool pokerPlayerDoesNeedToBetThisRound(poker_t *poker, uint8_t playerIndex);
/**
* Determine whether or not a player CAN check, given the current max bet and
* the players current bet.
*
* @param poker Poker game instance.
* @param player Player to check.
* @return True if the player can check, false if they need to call first.
*/
bool pokerPlayerCanCheck(poker_t *poker, pokerplayer_t *player);
/**
* Returns the full hand for a given player including the cards on the bench.
*
* @param poker Poker game instance.
* @param player Poker player to get the hand for.
* @param cards Array to store the cards.
*/
void pokerPlayerGetFullHand(
poker_t *poker, pokerplayer_t *player, card_t *cards
);

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src/dawn/poker/poker.c
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/**
* Copyright (c) 2021 Dominic Masters
*
* This software is released under the MIT License.
* https://opensource.org/licenses/MIT
*/
#include "poker.h"
void pokerInit(poker_t *poker) {
poker->playerCount = 0;
poker->playerDealer = 0;
poker->playerSmallBlind = 0;
poker->playerBigBlind = 0;
pokerResetRound(poker);
pokerSetBlinds(poker, 0, 0);
}
void pokerSetBlinds(poker_t *poker, int32_t blindSmall, int32_t blindBig) {
poker->blindSmall = blindSmall;
poker->blindBig = blindBig;
}
void pokerResetRound(poker_t *poker) {
uint8_t i;
pokerplayer_t *player;
poker->deckSize = cardWriteDeck(poker->deck);
poker->graveSize = 0;
poker->communitySize = 0;
poker->potCount = 0;
pokerPotAdd(poker);
pokerResetBettingRound(poker);
for(i = 0; i < poker->playerCount; i++) {
player = poker->players + i;
player->cardCount = 0;
player->currentBet = 0;
player->timesRaised = 0;
player->state &= ~(
POKER_PLAYER_STATE_FOLDED |
POKER_PLAYER_STATE_HAS_BET_THIS_ROUND |
POKER_PLAYER_STATE_SHOWING
);
}
}
void pokerResetBettingRound(poker_t *poker) {
uint8_t i;
pokerplayer_t *player;
// Reset the round betting state.
for(i = 0; i < poker->playerCount; i++) {
player = poker->players + i;
player->state =flagOff(player->state,POKER_PLAYER_STATE_HAS_BET_THIS_ROUND);
player->timesRaised = 0;
}
// Now reset to the first player that needs to bet.
if(poker->playerCount > 0) {
poker->better = poker->playerBigBlind;
} else {
poker->better = 0x00;
}
// Then we check who's remaining. We do this because the default better may
// have folded already.
poker->better = pokerBetGetNextPlayer(poker);
}
void pokerTakeBlinds(poker_t *poker) {
pokerplayer_t *player;
pokerBetForPlayer(poker, poker->playerSmallBlind, poker->blindSmall);
player = poker->players + poker->playerSmallBlind;
player->state = flagOff(player->state, POKER_PLAYER_STATE_HAS_BET_THIS_ROUND);
pokerBetForPlayer(poker, poker->playerBigBlind, poker->blindBig);
player = poker->players + poker->playerBigBlind;
player->state = flagOff(player->state, POKER_PLAYER_STATE_HAS_BET_THIS_ROUND);
}
uint8_t pokerInRoundGetCount(poker_t *poker) {
uint8_t i, count;
pokerplayer_t *player;
count = 0;
for(i = 0; i < poker->playerCount; i++) {
player = poker->players + i;
if(player->state & (POKER_PLAYER_STATE_FOLDED | POKER_PLAYER_STATE_OUT)) {
continue;
}
count++;
}
return count;
}

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/**
* Copyright (c) 2021 Dominic Masters
*
* This software is released under the MIT License.
* https://opensource.org/licenses/MIT
*/
#pragma once
#include "../libs.h"
#include "../util/flags.h"
#include "common.h"
#include "card.h"
#include "pot.h"
#include "bet.h"
// !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Fucked if I know
/**
* Initialize the poker game instance.
*
* @param poker Poker game instance.
*/
void pokerInit(poker_t *poker);
/**
* Set the game's current blinds.
*
* @param poker Poker game instance.
* @param blindSmall Small blind value.
* @param blindBig Big blind value.
*/
void pokerSetBlinds(poker_t *poker, int32_t blindSmall, int32_t blindBig);
/**
* Reset the poker game instance for the new round.
*
* @param poker Poker game instance.
*/
void pokerResetRound(poker_t *poker);
/**
* Reset the poker betting round.
*
* @param poker Poker game instance to reset for.
*/
void pokerResetBettingRound(poker_t *poker);
/**
* Take the blinds from the blind players.
*
* @param poker Poker game instance.
*/
void pokerTakeBlinds(poker_t *poker);
/**
* Gets the count of players still currently left in the round.
*
* @param poker Poker game instance.
* @return The count of players in the round.
*/
uint8_t pokerInRoundGetCount(poker_t *poker);

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src/dawn/poker/pot.c
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/**
* Copyright (c) 2021 Dominic Masters
*
* This software is released under the MIT License.
* https://opensource.org/licenses/MIT
*/
#include "pot.h"
uint8_t pokerPotAdd(poker_t *poker) {
pokerpot_t *pot;
uint8_t i = poker->potCount++;
pot = poker->pots + i;
pot->chips = 0;
pot->playerCount = 0;
pot->call = 0;
return i;
}
bool pokerPotHasPlayer(pokerpot_t *pot, uint8_t playerIndex) {
return arrayContains(
sizeof(uint8_t), pot->players, pot->playerCount, &playerIndex
);
}
void pokerPotAddPlayer(pokerpot_t *pot, uint8_t playerIndex) {
if(pokerPotHasPlayer(pot, playerIndex)) return;
pot->players[pot->playerCount++] = playerIndex;
}
int32_t pokerPotGetSumOfChipsForPlayer(poker_t *poker, uint8_t playerIndex) {
int32_t count;
uint8_t i;
pokerpot_t *pot;
count = 0;
for(i = 0; i < poker->potCount; i++) {
pot = poker->pots + i;
if(!pokerPotHasPlayer(pot, playerIndex)) continue;
count += pot->chips;
}
return count;
}

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src/dawn/poker/pot.h
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/**
* Copyright (c) 2021 Dominic Masters
*
* This software is released under the MIT License.
* https://opensource.org/licenses/MIT
*/
#pragma once
#include "../libs.h"
#include "../util/array.h"
#include "common.h"
/**
* Adds a new pot to the poker game instance.
*
* @param poker Poker game instance to add a pot to.
* @return The index of the pot within the array of pots.
*/
uint8_t pokerPotAdd(poker_t *poker);
/**
* Check whether or not the given player is part of the given pot.
*
* @param pot Pot to check.
* @param playerIndex Player index to see if within the pot or not.
* @return True if in the pot, otherwise false.
*/
bool pokerPotHasPlayer(pokerpot_t *pot, uint8_t playerIndex);
/**
* Add a player to a pot. This will not let you add the same player to the pot
* twice.
*
* @param pot Pot to add to.
* @param playerIndex Players' index to add to the pot.
*/
void pokerPotAddPlayer(pokerpot_t *pot, uint8_t playerIndex);
/**
* Returns the sum of chips in the pot(s) that the specified player is in. This
* does not consider the pot, player or hand, just the pure sum of chips.
*
* @param poker Poker game instance.
* @param playerIndex Player Index to get the sum of chips from.
* @return The sum of chips from the pots the player is within.
*/
int32_t pokerPotGetSumOfChipsForPlayer(poker_t *poker, uint8_t playerIndex);

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src/dawn/poker/turn.c
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/**
* Copyright (c) 2021 Dominic Masters
*
* This software is released under the MIT License.
* https://opensource.org/licenses/MIT
*/
#include "turn.h"
pokerturn_t pokerTurnFold(poker_t *poker, uint8_t player) {
return (pokerturn_t){
.chips = 0,
.confidence = 1,
.type = POKER_TURN_TYPE_FOLD
};
}
pokerturn_t pokerTurnBet(poker_t *poker, uint8_t playerIndex, int32_t chips) {
pokerturn_t turn;
pokerplayer_t *player;
int32_t i;
player = poker->players + playerIndex;
turn.confidence = 1;
if(chips == 0) {
turn.type = POKER_TURN_TYPE_CHECK;
turn.chips = 0;
} else if(player->chips <= chips) {
turn.chips = player->chips;
turn.type = POKER_TURN_TYPE_ALL_IN;
} else {
turn.chips = chips;
turn.type = POKER_TURN_TYPE_BET;
i = pokerBetGetCurrentCallValue(poker);
if(chips == (i - player->currentBet)) {
turn.type = POKER_TURN_TYPE_CALL;
}
}
return turn;
}
pokerturn_t pokerTurnGetForPlayer(poker_t *poker, uint8_t playerIndex) {
int32_t random, maxBet, bluffBet, callBet;
float confidence, expectedGain, potOdds;
bool isBluff;
int32_t amount;
pokerplayer_t *player;
pokerplayerwinning_t winning;
uint8_t i, cardNumber0, cardNumber1, suitNumber0, suitNumber1;
pokerturn_t turn;
player = poker->players + playerIndex;
// Can the player do anything?
if(player->state & (POKER_PLAYER_STATE_FOLDED | POKER_PLAYER_STATE_OUT)) {
turn.type = POKER_TURN_TYPE_OUT;
return turn;
}
// The following logic is heavily inspired by;
// https://github.com/gorel/C-Poker-AI/blob/master/src/common/pokerai.c
// But with some changes and smarts added by me. The original source code will
// essentially just run a crap tun of simulated games and get the times that
// they are expected to win from those games, but I'm just going to use the
// odds of the winning hand.
// Is this preflop?
if(poker->communitySize == 0 && player->cardCount >= 2) {
// Get the hand weight
cardNumber0 = cardGetNumber(player->cards[0]);
cardNumber1 = cardGetNumber(player->cards[1]);
suitNumber0 = cardGetSuit(player->cards[0]);
suitNumber1 = cardGetSuit(player->cards[1]);
// Get delta between cards
i = mathAbs(cardNumber0 - cardNumber1);
// Get card weight
confidence = (float)cardNumber0 + (float)cardNumber1;
if(cardNumber0 == cardNumber1) {// Pairs
confidence += 6;
} else if(suitNumber0 == suitNumber1) {// Same suit
confidence += 4;
}
// Get difference from cards for guessing flush
if(i > 4) {
confidence -= 4;
} else if(i > 2) {
confidence -= i;
}
// Get the confidence delta 0-1
confidence = confidence / 30.0f;
} else {
// Simulate my hand being the winning hand, use that as the confidence
pokerWinnerGetForPlayer(poker, player, &winning);
confidence = pokerWinnerGetTypeConfidence(winning.type);
}
// Now we know how confident the AI is, let's put a chip value to that weight
// How many chips to call?
callBet = pokerPlayerGetCallBet(poker, player);
// Do they need chips to call, or is it possible to check?
if(callBet > 0) {
potOdds = (float)callBet / (
(float)callBet + (float)pokerPotGetSumOfChipsForPlayer(poker, playerIndex)
);
} else {
potOdds = 1.0f / (float)pokerBetGetRemainingBetterCount(poker);
}
// Now determine the expected ROI
expectedGain = confidence / potOdds;
// Now get a random 0-100
random = randInt32() % 100;
// Determine the max bet that the AI is willing to make
maxBet = (int32_t)((float)player->chips / 1.75f) - (random / 2);
maxBet -= callBet;
// Determine what's a good bluff bet.
bluffBet = random * maxBet / 100 / 2;
// Now prep the output
isBluff = false;
amount = 0;
// Now the actual AI can happen. This is basically a weight to confidence
// ratio. The higher the gains and the confidence then the more likely the AI
// is to betting. There are also bluff chances within here.
if(expectedGain < 0.8 && confidence < 0.8) {
if(random < 95) {
amount = 0;
} else {
amount = bluffBet;
isBluff = true;
}
} else if ((expectedGain < 1.0 && confidence < 0.85) || confidence < 0.1) {
if (random < 80) {
amount = 0;
} else if(random < 5) {
amount = callBet;
isBluff = true;
} else {
amount = bluffBet;
isBluff = true;
}
} else if ((expectedGain < 1.3 && confidence < 0.9) || confidence < 0.5) {
if (random < 60 || confidence < 0.5) {
amount = callBet;
} else {
amount = maxBet;
}
} else if (confidence < 0.95 || poker->communitySize < 0x04) {
if(random < 20) {
amount = callBet;
} else {
amount = maxBet;
}
} else {
amount = (player->chips - callBet) * 9 / 10;
}
// If this is the first round... make it a lot less likely I'll bet
if(poker->communitySize == 0x00 && amount > callBet) {
if(random > 5) amount = callBet;
}
// Did we actually bet?
if(amount > 0) {
printf("AI is betting %i chips, bluff: %i\n", amount, isBluff);
// Let's not get caught in a raising loop with AI.
if(player->timesRaised >= POKER_TURN_MAX_RAISES) {
amount = callBet;
}
amount = mathMax(amount, callBet);
turn = pokerTurnBet(poker, playerIndex, amount);
turn.confidence = confidence;
} else if(pokerPlayerCanCheck(poker, player)) {
turn = pokerTurnBet(poker, playerIndex, 0);
turn.confidence = 1;
} else {
turn = pokerTurnFold(poker, playerIndex);
turn.confidence = 1 - confidence;
}
return turn;
}
void pokerTurnAction(poker_t *poker, uint8_t playerIndex, pokerturn_t turn) {
pokerplayer_t *player;
player = poker->players + playerIndex;
switch(turn.type) {
case POKER_TURN_TYPE_BET:
case POKER_TURN_TYPE_CALL:
case POKER_TURN_TYPE_ALL_IN:
pokerBetForPlayer(poker, playerIndex, turn.chips);
player->timesRaised++;
break;
case POKER_TURN_TYPE_CHECK:
pokerBetForPlayer(poker, playerIndex, 0);
player->timesRaised = 0;
break;
case POKER_TURN_TYPE_FOLD:
player->state |= POKER_PLAYER_STATE_FOLDED;
player->timesRaised = 0;
break;
}
player->state |= POKER_PLAYER_STATE_HAS_BET_THIS_ROUND;
}

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src/dawn/poker/turn.h
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/**
* Copyright (c) 2021 Dominic Masters
*
* This software is released under the MIT License.
* https://opensource.org/licenses/MIT
*/
#pragma once
#include "../libs.h"
#include "../util/math.h"
#include "common.h"
#include "bet.h"
#include "card.h"
#include "winner.h"
#include "pot.h"
/**
* Return a turn action for the given player to fold.
*
* @param poker Poker game instance.
* @param player Player index.
* @return A turn for a fold action.
*/
pokerturn_t pokerTurnFold(poker_t *poker, uint8_t player);
/**
* Perform a turn action for betting as a player.
*
* @param poker Poker game instance.
* @param playerIndex Player index who is betting.
* @param chips Chips to raise by.
* @return A turn for a bet action.
*/
pokerturn_t pokerTurnBet(poker_t *poker, uint8_t playerIndex, int32_t chips);
/**
* Returns the AI result for a turn done by a non human player.
*
* @param poker Poker game instance to use.
* @param playerIndex Player index to get the turn for.
* @return Some information about the move the player is trying to perform.
*/
pokerturn_t pokerTurnGetForPlayer(poker_t *poker, uint8_t playerIndex);
/**
* Perform the turn's action.
*
* @param poker Poker game instance.
* @param playerIndex Player index.
* @param turn Turn to action.
*/
void pokerTurnAction(poker_t *poker, uint8_t playerIndex, pokerturn_t turn);

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/**
* Copyright (c) 2021 Dominic Masters
*
* This software is released under the MIT License.
* https://opensource.org/licenses/MIT
*/
#include "winner.h"
void pokerWinnerFillRemaining(pokerplayerwinning_t *winning) {
uint8_t i, highest, current;
card_t highestCard, currentCard;
// Set the kicker
winning->kicker = 0xFF;
// Fill the remaining cards
while(winning->setSize < POKER_WINNING_SET_SIZE) {
highest = 0xFF;
for(i = 0; i < winning->fullSize; i++) {
currentCard = winning->full[i];
if(cardContains(winning->set, winning->setSize, currentCard) != -1) {
continue;
}
if(highest == 0xFF) {
highestCard = currentCard;
highest = cardGetNumber(highestCard);
} else {
current = cardGetNumber(currentCard);
if(current != CARD_ACE && current < highest) continue;
highestCard = currentCard;
highest = current;
}
}
if(highest == 0xFF) break;
winning->set[winning->setSize++] = highestCard;
}
cardHandSort(winning->set, winning->setSize);
}
void pokerWinnerGetForPlayer(
poker_t *poker, pokerplayer_t *player, pokerplayerwinning_t *winning
) {
uint8_t i, j, l;
int32_t index;
card_t card;
uint8_t number, suit, pairCount;
int32_t pairs[CARD_SUIT_COUNT];
// Get the full poker hand (should be a 7 card hand, but MAY not be)
winning->fullSize = poker->communitySize + player->cardCount;
pokerPlayerGetFullHand(poker, player, winning->full);
cardHandSort(winning->full, winning->fullSize);
// Reset the winning status.
winning->setSize = 0;
//////////////////////// Now look for the winning set ////////////////////////
// Royal / Straight Flush
for(i = 0; i < winning->fullSize; i++) {
card = winning->full[i];
number = cardGetNumber(card);
if(number < CARD_FIVE) continue;
suit = cardGetSuit(card);
winning->setSize = 1;
// Now look for the matching cards (Reverse order to order from A to 10)
for(j = 1; j <= 4; j++) {
l = number == CARD_FIVE && j == 4 ? CARD_ACE : number - j;//Ace low.
index = cardContains(winning->full, winning->fullSize, cardGet(l, suit));
if(index == -1) break;
winning->set[j] = winning->full[index];
winning->setSize++;
}
// Check if has all necessary cards.
if(winning->setSize < POKER_WINNING_SET_SIZE) continue;
// Add self to array
winning->set[0] = winning->full[i];
winning->type = (
number == CARD_ACE ? POKER_WINNING_TYPE_ROYAL_FLUSH :
POKER_WINNING_TYPE_STRAIGHT_FLUSH
);
pokerWinnerFillRemaining(winning);
return;
}
// Four of a kind.
winning->setSize = 0;
for(i = 0; i < winning->fullSize; i++) {
card = winning->full[i];
number = cardGetNumber(card);
pairCount = cardCountPairs(winning->full, winning->fullSize, number, pairs);
if(pairCount < CARD_SUIT_COUNT) continue;
winning->setSize = pairCount;
for(j = 0; j < pairCount; j++) winning->set[j] = winning->full[pairs[j]];
winning->type = POKER_WINNING_TYPE_FOUR_OF_A_KIND;
pokerWinnerFillRemaining(winning);
return;
}
// Full House
winning->setSize = 0;
for(i = 0; i < winning->fullSize; i++) {
// Check we haven't already added this card.
card = winning->full[i];
if(cardContains(winning->set, winning->setSize, card) != -1) continue;
number = cardGetNumber(card);
pairCount = cardCountPairs(winning->full, winning->fullSize, number, pairs);
// Did we find either two pair or three pair?
if(pairCount != 2 && pairCount != 3) continue;
if(winning->setSize == 3) pairCount = 2;//Clamp to 5 max.
// Copy found pairs.
for(j = 0; j < pairCount; j++) {
winning->set[winning->setSize + j] = winning->full[pairs[j]];
}
winning->setSize += pairCount;
// Winned?
if(winning->setSize != POKER_WINNING_SET_SIZE) continue;
winning->type = POKER_WINNING_TYPE_FULL_HOUSE;
pokerWinnerFillRemaining(winning);
return;
}
// Flush (5 same suit)
for(i = 0; i < winning->fullSize; i++) {
card = winning->full[i];
suit = cardGetSuit(card);
winning->setSize = 1;
for(j = i+1; j < winning->fullSize; j++) {
if(cardGetSuit(winning->full[j]) != suit) continue;
winning->set[winning->setSize++] = winning->full[j];
if(winning->setSize == POKER_WINNING_SET_SIZE) break;
}
if(winning->setSize < POKER_WINNING_SET_SIZE) continue;
winning->set[0] = winning->full[i];
winning->type = POKER_WINNING_TYPE_FLUSH;
pokerWinnerFillRemaining(winning);
return;
}
// Straight (sequence any suit)
winning->setSize = 0;
for(i = 0; i < winning->fullSize; i++) {
card = winning->full[i];
number = cardGetNumber(card);
if(number < CARD_FIVE) continue;
winning->setSize = 1;
for(j = 1; j <= 4; j++) {
l = number == CARD_FIVE && j == 4 ? CARD_ACE : number - j;//Ace low.
index = cardContainsNumber(winning->full, winning->fullSize, l);
if(index == -1) break;
winning->set[j] = winning->full[index];
winning->setSize++;
}
// Check if has all necessary cards.
if(winning->setSize < POKER_WINNING_SET_SIZE) continue;
winning->set[0] = winning->full[i];
winning->type = POKER_WINNING_TYPE_STRAIGHT;
pokerWinnerFillRemaining(winning);
return;
}
// Three of a kind
winning->setSize = 0;
for(i = 0; i < winning->fullSize; i++) {
card = winning->full[i];
number = cardGetNumber(card);
pairCount = cardCountPairs(winning->full, winning->fullSize, number, pairs);
if(pairCount != 3) continue;
winning->setSize = pairCount;
for(j = 0; j < pairCount; j++) winning->set[j] = winning->full[pairs[j]];
winning->type = POKER_WINNING_TYPE_THREE_OF_A_KIND;
pokerWinnerFillRemaining(winning);
return;
}
// Two Pair
winning->setSize = 0;
for(i = 0; i < winning->fullSize; i++) {
card = winning->full[i];// Check we haven't already added this card.
if(cardContains(winning->set, winning->setSize, card) != -1) {
continue;
}
number = cardGetNumber(card);
pairCount = cardCountPairs(winning->full, winning->fullSize, number, pairs);
if(pairCount != 2) continue;
for(j = 0; j < pairCount; j++) {
winning->set[winning->setSize+j] = winning->full[pairs[j]];
}
winning->setSize += pairCount;
if(winning->setSize != 4) continue;
winning->type = POKER_WINNING_TYPE_TWO_PAIR;
pokerWinnerFillRemaining(winning);
return;
}
// Pair
if(winning->setSize == 2) {
winning->type = POKER_WINNING_TYPE_PAIR;
pokerWinnerFillRemaining(winning);
return;
}
// High card
winning->setSize = 0;
pokerWinnerFillRemaining(winning);
winning->type = POKER_WINNING_TYPE_HIGH_CARD;
return;
}
card_t pokerWinnerCompare(
pokerplayerwinning_t *left, pokerplayerwinning_t *right
) {
uint8_t i, number;
card_t card;
int32_t index;
uint8_t countCardsSame;
card_t highCardLeft, highCardRight;
uint8_t highNumberLeft, highNumberRight;
highNumberLeft = 0xFF;
highNumberRight = 0xFF;
countCardsSame = 0;
for(i = 0; i < left->setSize; i++) {
card = left->set[i];
number = cardGetNumber(card);
if(highNumberLeft != 0xFF && number < highNumberLeft) continue;//Quick check
// Check if this number is within the other hand or not
index = cardContainsNumber(right->set, right->setSize, number);
if(index != -1) {
// This number IS within the other hand, let's check that the EXACT card
// is a match/isn't a match.
index = cardContains(right->set, right->setSize, card);
// Exact card match
if(index != -1) {
countCardsSame++;
continue;
}
// Not exact card match.. ?
}
if(highNumberLeft == 0xFF||number == CARD_ACE||highNumberLeft < number) {
highNumberLeft = number;
highCardLeft = card;
}
}
for(i = 0; i < right->setSize; i++) {
card = right->set[i];
number = cardGetNumber(card);
if(highNumberRight != 0xFF && number < highNumberRight) continue;
index = cardContainsNumber(left->set, left->setSize, number);
if(index != -1) {
index = cardContains(left->set, left->setSize, card);
if(index != -1) continue;
}
if(highNumberRight == 0xFF||number == CARD_ACE||highNumberRight < number) {
highNumberRight = number;
highCardRight = card;
}
}
if(countCardsSame == left->setSize) {
for(i = 0; i < left->setSize; i++) {
card = left->set[i];
number = cardGetNumber(card);
if(highNumberLeft == 0xFF||number == CARD_ACE||highNumberLeft < number) {
highNumberLeft = number;
highCardLeft = card;
}
}
return highCardLeft;
}
if(highCardLeft == 0xFF) return 0xFF;
if(highNumberLeft < highNumberRight) return 0xFF;
return highCardLeft;//Greater or Equal to.
}
void pokerWinnerDetermineForPot(
poker_t *poker,
pokerpot_t *pot,
pokerplayerwinning_t winners[POKER_PLAYER_COUNT_MAX],
uint8_t winnerPlayers[POKER_PLAYER_COUNT_MAX],
uint8_t *winnerCount,
uint8_t participants[POKER_PLAYER_COUNT_MAX],
uint8_t *participantCount
) {
uint8_t i, j, countPlayers, countWinners, number, highNumber;
pokerplayerwinning_t *left, *right;
pokerplayer_t *player;
card_t card, highCard;
bool isWinner;
countPlayers = 0;
countWinners = 0;
highCard = 0xFF;
// Get participating players and their hands.
for(i = 0; i < pot->playerCount; i++) {
player = poker->players + pot->players[i];
if(player->state & (POKER_PLAYER_STATE_FOLDED|POKER_PLAYER_STATE_OUT)) {
continue;
}
participants[countPlayers] = pot->players[i];
pokerWinnerGetForPlayer(poker, player, winners + countPlayers++);
}
// Compare participating players
for(i = 0; i < countPlayers; i++) {
left = winners + i;
isWinner = true;
highNumber = 0xFF;
for(j = 0; j < countPlayers; j++) {
if(i == j) continue;
right = winners + j;
// Am I the better hand / Is it the better hand?
if(left->type < right->type) continue;
if(left->type > right->type) {
isWinner = false;
break;
}
// Equal, compare hands.
card = pokerWinnerCompare(left, right);
if(card == 0xFF) {
isWinner = false;
break;
}
// Determine high card.
number = cardGetNumber(card);
if(highNumber == 0xFF || number == CARD_ACE || number > highNumber) {
highCard = card;
highNumber = number;
}
}
if(!isWinner) continue;
left->kicker = highCard;
winnerPlayers[countWinners++] = participants[i];
}
*participantCount = countPlayers;
*winnerCount = countWinners;
}
float pokerWinnerGetTypeConfidence(uint8_t type) {
switch(type) {
case POKER_WINNING_TYPE_ROYAL_FLUSH:
return POKER_WINNING_CONFIDENCE_ROYAL_FLUSH;
case POKER_WINNING_TYPE_STRAIGHT_FLUSH:
return POKER_WINNING_CONFIDENCE_STRAIGHT_FLUSH;
case POKER_WINNING_TYPE_FOUR_OF_A_KIND:
return POKER_WINNING_CONFIDENCE_FOUR_OF_A_KIND;
case POKER_WINNING_TYPE_FULL_HOUSE:
return POKER_WINNING_CONFIDENCE_FULL_HOUSE;
case POKER_WINNING_TYPE_FLUSH:
return POKER_WINNING_CONFIDENCE_FLUSH;
case POKER_WINNING_TYPE_STRAIGHT:
return POKER_WINNING_CONFIDENCE_STRAIGHT;
case POKER_WINNING_TYPE_THREE_OF_A_KIND:
return POKER_WINNING_CONFIDENCE_THREE_OF_A_KIND;
case POKER_WINNING_TYPE_TWO_PAIR:
return POKER_WINNING_CONFIDENCE_TWO_PAIR;
case POKER_WINNING_TYPE_PAIR:
return POKER_WINNING_CONFIDENCE_PAIR;
default:
return POKER_WINNING_CONFIDENCE_HIGH_CARD;
}
}

76
src/dawn/poker/winner.h
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@ -1,76 +0,0 @@
/**
* Copyright (c) 2021 Dominic Masters
*
* This software is released under the MIT License.
* https://opensource.org/licenses/MIT
*/
#pragma once
#include "../libs.h"
#include "card.h"
#include "common.h"
#include "player.h"
/**
* Fills the remaining cards for a given poker player winning hand. Essentially
* this will just take the highest cards and slot them into the array. This also
* sorts the cards.
*
* @param winning Pointer to the poker winning to fill out.
*/
void pokerWinnerFillRemaining(pokerplayerwinning_t *winning);
/**
* Calculates and returns the winning state for a given player
*
* @param poker Poker game instance.
* @param player Player to get the state for.
* @param winning Output winning state struct to push data in to.
*/
void pokerWinnerGetForPlayer(
poker_t *poker, pokerplayer_t *player, pokerplayerwinning_t *winning
);
/**
* Compares two winning sets. The returned card is the kicker if the LEFT side
* is the winner. If LEFT is not a winner then 0xFF will be returned.
*
* @param left Left winning set.
* @param right Right winning set.
* @return The kicker card from left's hand or 0xFF if left is not the winner.
*/
card_t pokerWinnerCompare(
pokerplayerwinning_t *left, pokerplayerwinning_t *right
);
/**
* Determines the winning player for the given pot. The pot has participating
* players, and from those participating players some will be winners. The
* participants are only the players within the pot who haven't folded or out.
*
* @param poker Poker game instance.
* @param pot Pot to get the winners for.
* @param winners Array to store the winner state in.
* @param winnerPlayers Array to store player indexes of each of the winners.
* @param winnerCount Pointer to store the count of winners in.
* @param participants Array to store player indexes of players who participate.
* @param participantCount Pointer to store the count of participants in.
*/
void pokerWinnerDetermineForPot(
poker_t *poker,
pokerpot_t *pot,
pokerplayerwinning_t winners[POKER_PLAYER_COUNT_MAX],
uint8_t winnerPlayers[POKER_PLAYER_COUNT_MAX],
uint8_t *winnerCount,
uint8_t participants[POKER_PLAYER_COUNT_MAX],
uint8_t *participantCount
);
/**
* Get the confidence of the bet for a given winning type.
*
* @param type Winning type type.
* @return The confidence.
*/
float pokerWinnerGetTypeConfidence(uint8_t type);