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Night Kaly 2024-10-01 13:40:14 +01:00
commit 35c058f954
Signed by: night0721
GPG key ID: 957D67B8DB7A119B
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.gitignore vendored Normal file
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ace
*.o
*.tar.gz

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LICENSE Normal file
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BSD 3-Clause License
Copyright (c) 2024, Night Kaly <night@night0721.xyz>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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.POSIX:
.SUFFIXES:
CC = cc
VERSION = 1.0
TARGET = ace
MANPAGE = $(TARGET).1
PREFIX ?= /usr/local
BINDIR = $(PREFIX)/bin
# Flags
CFLAGS = -O3 -march=native -mtune=native -pipe -s -std=c99 -flto -pedantic -Wall -D_DEFAULT_SOURCE -D_XOPEN_SOURCE=600
SRC = ace.c
$(TARGET): $(SRC)
$(CC) $(SRC) -o $@ $(CFLAGS)
dist:
mkdir -p $(TARGET)-$(VERSION)
cp -R README.md $(TARGET) $(TARGET)-$(VERSION)
tar -cf $(TARGET)-$(VERSION).tar $(TARGET)-$(VERSION)
gzip $(TARGET)-$(VERSION).tar
rm -rf $(TARGET)-$(VERSION)
install: $(TARGET)
mkdir -p $(DESTDIR)$(BINDIR)
cp -p $(TARGET) $(DESTDIR)$(BINDIR)/$(TARGET)
chmod 755 $(DESTDIR)$(BINDIR)/$(TARGET)
uninstall:
$(RM) $(DESTDIR)$(BINDIR)/$(TARGET)
clean:
$(RM) $(TARGET)
all: $(TARGET)
.PHONY: all dist install uninstall clean

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README.md Normal file
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# ace
ace is a game for playing blackjack.
# Usage
```
./ace
```
# Building
You will need to run these with elevated privilages.
```
$ make
# make install
```
# Contributions
Contributions are welcomed, feel free to open a pull request.
# License
This project is licensed under the BSD-3-Clause License. See [LICENSE](https://github.com/night0721/ace/blob/master/LICENSE) for more information.

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#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <unistd.h>
#include <termios.h>
#define CLEAR_SCREEN() printf("\033[H\033[J")
#define MOVE_CURSOR(x, y) printf("\033[%d;%dH", (x), (y))
#define RESET_COLOR() printf("\033[0m")
typedef struct {
int value; /* 1 to 13 (Ace to King) */
int suit; /* 0 to 3 (Hearts, Spades, Diamonds, Clubs) */
} card;
card deal_card();
int calculate_score(card hand[], int num_cards);
void display_hand(card hand[], int num_cards, int is_player, int total);
struct termios orig_termios;
int main()
{
srand(time(NULL));
card player_hand[10], cpu_hand[10];
int player_num_cards = 0, cpu_num_cards = 0;
char action;
/* Set terminal to return read syscall without enter */
struct termios new_termios;
tcgetattr(STDIN_FILENO, &orig_termios);
new_termios = orig_termios;
new_termios.c_lflag &= ~(ICANON | ECHO);
tcsetattr(STDIN_FILENO, TCSANOW, &new_termios);
for (int i = 0; i < 2; i++) {
player_hand[player_num_cards++] = deal_card();
cpu_hand[cpu_num_cards++] = deal_card();
}
int player_score;
int cpu_score;
while (1) {
CLEAR_SCREEN();
MOVE_CURSOR(1, 1);
printf("You Computer\n");
player_score = calculate_score(player_hand, player_num_cards);
cpu_score = calculate_score(cpu_hand, cpu_num_cards);
display_hand(player_hand, player_num_cards, 1, player_score);
display_hand(cpu_hand, cpu_num_cards, 0, cpu_score);
/* Check if the player has busted */
if (player_score > 21) {
printf("\n\033[38;2;255;0;0mBust! You lose.\033[0m\n");
break;
}
printf("\nHit (h) or stand (s)? ");
fflush(stdout);
char action;
read(STDIN_FILENO, &action, 1);
if (action == 'h') {
player_hand[player_num_cards++] = deal_card();
} else if (action == 's') {
break;
}
}
/* Computer's turn to deal
* Customise here if you want more wins
*/
while (cpu_score < 17) {
cpu_hand[cpu_num_cards++] = deal_card();
cpu_score = calculate_score(cpu_hand, cpu_num_cards);
}
CLEAR_SCREEN();
MOVE_CURSOR(1, 1);
player_score = calculate_score(player_hand, player_num_cards);
cpu_score = calculate_score(cpu_hand, cpu_num_cards);
/* Determine win or lose */
if (player_score > 21) {
printf("\033[38;2;255;0;0mComputer wins!\033[0m\n", cpu_score);
} else if (cpu_score > 21) {
printf("\033[38;2;0;255;0mYou win!\033[0m\n", player_score);
} else if (player_score > cpu_score) {
printf("\033[38;2;0;255;0mYou win!\033[0m\n", player_score);
} else if (player_score < cpu_score) {
printf("\033[38;2;255;0;0mComputer wins!\033[0m\n", cpu_score);
} else {
printf("\033[38;2;255;255;0mDraw!\033[0m\n", player_score);
}
display_hand(player_hand, player_num_cards, 1, player_score);
display_hand(cpu_hand, cpu_num_cards, 0, cpu_score);
printf("\n");
/* Reset terminal */
tcsetattr(STDIN_FILENO, TCSANOW, &orig_termios);
return 0;
}
card deal_card()
{
card card;
card.value = rand() % 13 + 1;
card.suit = rand() % 4;
return card;
}
int calculate_score(card hand[], int num_cards)
{
int score = 0, num_aces = 0;
for (int i = 0; i < num_cards; i++) {
if (hand[i].value == 1) {
score += 11;
num_aces++;
} else if (hand[i].value > 10) {
score += 10;
} else {
score += hand[i].value;
}
}
while (score > 21 && num_aces > 0) {
score -= 10;
num_aces--;
}
return score;
}
void display_hand(card hand[], int num_cards, int is_player, int total)
{
const char *suits[] = {"\033[38;2;255;0;0m♥\033[0m", "\033[38;2;0;0;255m♠\033[0m", "\033[38;2;255;0;255m♦\033[0m", "\033[38;2;0;255;0m♣\033[0m"};
if (is_player) {
printf("Cards - ");
} else {
/* Alignment */
MOVE_CURSOR(2, 28);
printf("Cards - ");
}
for (int i = 0; i < num_cards; i++) {
/* Bold */
printf("\033[1m");
switch (hand[i].value) {
case 1:
printf("A%s ", suits[hand[i].suit]);
break;
case 11:
printf("J%s ", suits[hand[i].suit]);
break;
case 12:
printf("Q%s ", suits[hand[i].suit]);
break;
case 13:
printf("K%s ", suits[hand[i].suit]);
break;
default:
printf("%d%s ", hand[i].value, suits[hand[i].suit]);
}
RESET_COLOR();
}
printf("\n");
if (is_player) {
printf("Total - ");
} else {
MOVE_CURSOR(3, 28);
printf("Total - ");
}
/* Bold and inverted colors */
printf("\033[1m\033[47;30m");
printf(" %d ", total);
RESET_COLOR();
printf("\n");
}