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#include <format>
#include <iostream>
#include <map>
#include <ostream>
#include <poll.h>
#include <string>
#include <termios.h>
#include <unistd.h>
namespace tgu {
inline struct termios orig_termios;
inline std::string newline = "\n\r";
enum class GameKey {
INVALID,
LEFTARROW,
DOWNARROW,
UPARROW,
RIGHTARROW,
ESCAPE,
A,
B,
C,
D,
E,
F,
G,
H,
I,
J,
K,
L,
M,
N,
O,
P,
Q,
R,
S,
T,
U,
V,
W,
X,
Y,
Z,
SPACE,
};
inline std::map<std::string, GameKey> KeyMap = {{"a", GameKey::A},
{"b", GameKey::B},
{"c", GameKey::C},
{"d", GameKey::D},
{"e", GameKey::E},
{"f", GameKey::F},
{"g", GameKey::G},
{"h", GameKey::H},
{"i", GameKey::I},
{"j", GameKey::J},
{"k", GameKey::K},
{"l", GameKey::L},
{"m", GameKey::M},
{"n", GameKey::N},
{"o", GameKey::O},
{"p", GameKey::P},
{"q", GameKey::Q},
{"r", GameKey::R},
{"s", GameKey::S},
{"t", GameKey::T},
{"u", GameKey::U},
{"v", GameKey::V},
{"w", GameKey::W},
{"x", GameKey::X},
{"y", GameKey::Y},
{"z", GameKey::Z},
{"A", GameKey::A},
{"B", GameKey::B},
{"C", GameKey::C},
{"D", GameKey::D},
{"E", GameKey::E},
{"F", GameKey::F},
{"G", GameKey::G},
{"H", GameKey::H},
{"I", GameKey::I},
{"J", GameKey::J},
{"K", GameKey::K},
{"L", GameKey::L},
{"M", GameKey::M},
{"N", GameKey::N},
{"O", GameKey::O},
{"P", GameKey::P},
{"Q", GameKey::Q},
{"R", GameKey::R},
{"S", GameKey::S},
{"T", GameKey::T},
{"U", GameKey::U},
{"V", GameKey::V},
{"W", GameKey::W},
{"X", GameKey::X},
{"Y", GameKey::Y},
{"Z", GameKey::Z},
{"\x1b", GameKey::ESCAPE},
{"\x1b[D", GameKey::LEFTARROW},
{"\x1b[B", GameKey::DOWNARROW},
{"\x1b[A", GameKey::UPARROW},
{"\x1b[C", GameKey::RIGHTARROW},
{" ", GameKey::SPACE}};
inline void DisableRawMode() { tcsetattr(0, TCSAFLUSH, &orig_termios); }
inline void EnableRawMode() {
tcgetattr(0, &orig_termios);
atexit(DisableRawMode);
struct termios raw = orig_termios;
raw.c_iflag &= ~(ICRNL | INPCK | ISTRIP | IXON);
raw.c_oflag &= ~(OPOST);
raw.c_cflag |= (CS8);
raw.c_lflag &= ~(ECHO | ICANON | IEXTEN);
raw.c_cc[VMIN] = 1;
raw.c_cc[VTIME] = 0;
tcsetattr(0, TCSAFLUSH, &raw);
}
inline bool InputAvailable(int timeout_ms) {
pollfd pfd{};
pfd.fd = STDIN_FILENO;
pfd.events = POLLIN;
return poll(&pfd, 1, timeout_ms) > 0;
}
inline GameKey GetKeyPress() {
std::string keypress_string;
char c;
read(STDIN_FILENO, &c, 1);
keypress_string += c;
if (c == 27)
while (InputAvailable(10)) {
read(STDIN_FILENO, &c, 1);
keypress_string += c;
}
if (KeyMap.find(keypress_string) != KeyMap.end())
return KeyMap[keypress_string];
return GameKey::INVALID;
}
// Text printers:
inline void TextGreen() { std::cout << "\033[32m"; }
inline void TextRed() { std::cout << "\033[31m"; }
inline void TextBlue() { std::cout << "\033[34m"; }
inline void TextRGB(int r, int g, int b) {
std::cout << std::format("\033[38;2;{};{};{}m", r, g, b);
};
// Background printers:
inline void BGGreen() { std::cout << "\033[42m"; }
inline void BGRed() { std::cout << "\033[41m"; }
inline void BGBlue() { std::cout << "\033[44m"; }
inline void BGRGB(int r, int g, int b) {
std::cout << std::format("\033[48;2;{};{};{}m", r, g, b);
}
inline void TerminalColorReset() { std::cout << "\033[0m"; }
// Game buffer printers:
inline void EnterGameBuffer() { std::cout << "\033[?1049h"; }
inline void LeaveGameBuffer() { std::cout << "\033[?1049l"; }
inline void MoveCursor(int row, int col) {
std::cout << "\033[" << (row + 1) << ";" << (col + 1) << "H" << std::flush;
}
inline void MakeCursorVisible() { std::cout << "\033[?25h"; }
inline void MakeCursorInvisible() {
std::cout << "\033[?25l";
atexit(MakeCursorVisible);
}
}; // namespace tgu
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