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Merged
merged 2 commits into from
Oct 18, 2025
Merged

updating nox branch #8

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9035209
Updated the terminal.lx file to now include a raw mode
Oct 18, 2025
518e8d4
Made tetris in luma and cleaned up some libs
Oct 18, 2025
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62 changes: 9 additions & 53 deletions c_test_files/tetris.c
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Original file line number Diff line number Diff line change
Expand Up @@ -51,40 +51,13 @@ int readch() {

// Tetromino definitions (7 pieces, each as 4x4 block string)
const char *tetromino[7] = {
"...."
"XXXX"
"...."
"....", // I

".X.."
".X.."
".XX."
"....", // J

"..X."
"..X."
".XX."
"....", // L

".XX."
".XX."
"...."
"....", // O

".XX."
"XX.."
"...."
"....", // S

".X.."
".XXX"
"...."
"....", // T

"XX.."
".XX."
"...."
"...." // Z
"....XXXX........", // I
".X...X...XX.....", // J
"..X...X..XX.....", // L
".XX..XX.........", // O
".XX.XX..........", // S
".X...XXX........", // T
"XX...XX........." // Z
};

// ANSI color codes for each piece
Expand Down Expand Up @@ -153,8 +126,7 @@ void draw_screen(int currentPiece, int currentRotation, int currentX,
// Draw header with box drawing characters
printf("\x1b[0m");
printf("╔════════════════════════════╗ ╔═══════════════╗\n");
printf("║ \x1b[1;97mT E T R I S\x1b[0m ║ ║ \x1b[1mNEXT "
"PIECE\x1b[0m ║\n");
printf("║ \x1b[1;97mT E T R I S\x1b[0m ║ ║ \x1b[1mNEXT PIECE\x1b[0m ║\n");
printf("╠════════════════════════════╣ ║ ║\n");

// Draw visible area with next piece preview
Expand Down Expand Up @@ -295,23 +267,7 @@ int main() {
gameOver = 1;
break;
}
// Handle escape sequences for arrow keys
if (c == 27) { // ESC
if (kbhit()) {
int c2 = readch();
if (c2 == '[' && kbhit()) {
int c3 = readch();
if (c3 == 'A')
key = 'U'; // Up arrow
if (c3 == 'B')
key = 'D'; // Down arrow
if (c3 == 'C')
key = 'R'; // Right arrow
if (c3 == 'D')
key = 'L'; // Left arrow
}
}
}

// Regular keys
if (c == 'a' || c == 'A')
key = 'L';
Expand Down
16 changes: 8 additions & 8 deletions std/termfx.lx
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Expand Up @@ -12,14 +12,14 @@ pub const MAGENTA: *char = "\x1b[35m";
pub const CYAN: *char = "\x1b[36m";
pub const WHITE: *char = "\x1b[37m";

pub const BRIGHT_BLACK: *char = "\x1b[90m";
pub const BRIGHT_RED: *char = "\x1b[91m";
pub const BRIGHT_GREEN: *char = "\x1b[92m";
pub const BRIGHT_YELLOW: *char = "\x1b[93m";
pub const BRIGHT_BLUE: *char = "\x1b[94m";
pub const BRIGHT_MAGENTA: *char = "\x1b[95m";
pub const BRIGHT_CYAN: *char = "\x1b[96m";
pub const BRIGHT_WHITE: *char = "\x1b[97m";
pub const BRIGHT_BLACK: *char = "\x1b[1;90m";
pub const BRIGHT_RED: *char = "\x1b[1;91m";
pub const BRIGHT_GREEN: *char = "\x1b[1;92m";
pub const BRIGHT_YELLOW: *char = "\x1b[1;93m";
pub const BRIGHT_BLUE: *char = "\x1b[1;94m";
pub const BRIGHT_MAGENTA: *char = "\x1b[1;95m";
pub const BRIGHT_CYAN: *char = "\x1b[1;96m";
pub const BRIGHT_WHITE: *char = "\x1b[1;97m";

pub const BG_BLACK: *char = "\x1b[40m";
pub const BG_RED: *char = "\x1b[41m";
Expand Down
102 changes: 86 additions & 16 deletions std/terminal.lx
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Original file line number Diff line number Diff line change
@@ -1,18 +1,69 @@
@module "terminal"

// @use "string" as string
@use "string" as string
@use "termfx" as fx

// Get a single character without waiting for Enter
pub const getch -> fn () char {
// Disable canonical mode and echo
system("stty -icanon -echo");
// Global flag to track raw mode state
let raw_mode_enabled: int = 0;

// Enable raw mode - BLOCKING (waits for input)
pub const enable_raw_mode -> fn () void {
if (raw_mode_enabled == 1) {
return; // Already enabled
}

// Read single character
let c: char = input<char>("");
// Save terminal state and set up restoration on exit
system("stty -g > /tmp/luma_termios_backup");

// Restore terminal settings
system("stty icanon echo");
// Configure raw mode:
// -icanon: disable line buffering (read char by char)
// -echo: don't echo input
// -isig: disable interrupt signals (Ctrl+C, Ctrl+Z)
// -ixon: disable software flow control (Ctrl+S, Ctrl+Q)
// -icrnl: don't translate CR to NL
// min 1 time 0: blocking read (wait for at least 1 character)
system("stty -icanon -echo -isig -ixon -icrnl min 0 time 0");

// Hide cursor
output(fx::CURSOR_HIDE);

raw_mode_enabled = 1;
}

// Disable raw mode - restore terminal to normal
pub const disable_raw_mode -> fn () void {
if (raw_mode_enabled == 0) {
return; // Already disabled
}

// Restore original terminal settings
system("stty $(cat /tmp/luma_termios_backup)");
system("rm /tmp/luma_termios_backup");

// Show cursor
output(fx::CURSOR_SHOW);

// Reset colors
output(fx::RESET);

raw_mode_enabled = 0;
}

// Blocking input in raw mode - waits for a key but no Enter needed
// Use with enable_raw_mode() (not enable_raw_mode_nonblock)
pub const getch_raw -> fn () char {
if (raw_mode_enabled == 0) {
enable_raw_mode();
}

let c: char = input<char>("");
return c;
}

// Get a single character without waiting for Enter
pub const getch -> fn () char {
// Just try to read input; don't touch stty here
let c: char = input<char>("");
return c;
}

Expand All @@ -35,15 +86,16 @@ pub const getche -> fn () char {
}

// Check if a key is pressed (non-blocking)
// WARNING: This consumes the character! Don't use in raw mode.
pub const kbhit -> fn () int {
system("stty -icanon -echo min 0 time 0");
let c: char = input<char>("");
system("stty icanon echo");

if (c == cast<char>(0)) {
return 0;
// Non-blocking test only
let result: int = system("read -t 0 -n 1 key < /dev/tty");
if (result == cast<int>(0)) {
// put the char back for getch()
system("read -t 0 -n 1 key < /dev/tty && printf '%s' $key > /tmp/luma_kbhit_buf");
return 1;
}
return 1;
return 0;
}

// Wait for any key press
Expand Down Expand Up @@ -110,3 +162,21 @@ pub const getpass -> fn (prompt: *char) *char {

return password;
}

// Sleep for milliseconds (more precise than system("sleep"))
pub const sleep_ms -> fn (ms: int) void {
let cmd: *char = cast<*char>(alloc(64 * sizeof<char>));
defer { free(cmd); }

// Multiply milliseconds by 1000 for microseconds
string::cat(cmd, "usleep ", string::from_int(ms * 1000));

system(cmd);
}

// Get terminal size
pub const get_terminal_size -> fn () void {
system("tput cols > /tmp/luma_cols");
system("tput lines > /tmp/luma_lines");
// Read back from files...
}
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