Upgrade intro: matrix rain, typing effect, glitch transition, scan line

4-phase intro: matrix rain background, character-by-character boot
typing with cursor, full-screen glitch transition, wave-based logo
decrypt with random reveal order, horizontal scan line finale.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

systats.py

@@ -1245,121 +1245,265 @@ def intro_splash(stdscr):
     """Animated boot splash inspired by Spectre/Pulse."""
     curses.curs_set(0)
     stdscr.nodelay(False)
-    stdscr.timeout(30)
+    stdscr.timeout(20)
     init_colors()
 
     h, w = stdscr.getmaxyx()
     if h < 15 or w < 60:
-        return  # skip intro on tiny terminals
+        return
 
-    # Gather system info for boot lines
+    # Gather system info
     cores = psutil.cpu_count()
+    cores_phys = psutil.cpu_count(logical=False)
+    mem = psutil.virtual_memory()
+    mem_str = f"{mem.total / (1024**3):.0f}GB"
     gpu_str = "NVIDIA" if NVIDIA_AVAILABLE else ("AMD" if os.path.exists(AMD_GPU_PATH) else "NONE")
+    hostname = os.uname().nodename
     try:
         temps_count = sum(len(v) for v in psutil.sensors_temperatures().values())
         temps_str = f"{temps_count} sensors"
     except Exception:
         temps_str = "N/A"
+    try:
+        parts = len(psutil.disk_partitions(all=False))
+        disk_str = f"{parts} volumes"
+    except Exception:
+        disk_str = "N/A"
 
-    glitch_chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789@#$%&*!?<>/\\|{}[]~^"
+    glitch_chars = "@#$%&*!?<>/\\|{}[]~^=+:;0123456789"
 
-    # Phase 1: Boot lines
+    # ── Phase 1: Matrix rain background ──
-    boot_start = time.time()
+    rain_cols = [_random.randint(-h, 0) for _ in range(w)]
-    shown_lines = []
+    for frame in range(25):
-
-    for line_tpl, delay in BOOT_LINES:
-        line = line_tpl.format(ver=VERSION, cores=cores, gpu=gpu_str, temps=temps_str)
-        target_time = boot_start + delay
-        while time.time() < target_time:
-            stdscr.getch()  # drain input
-            time.sleep(0.02)
-
-        shown_lines.append(line)
         stdscr.erase()
-        start_y = (h - len(BOOT_LINES) - len(LOGO_ART) - 4) // 2
+        for col in range(w):
-        for i, sl in enumerate(shown_lines):
+            rain_cols[col] += 1
-            col = C_LOW if "OK" in sl or "READY" in sl or "ONLINE" in sl or "detected" in sl else C_DIM
+            if rain_cols[col] > h + 5:
-            if "Electric Entropy" in sl:
+                rain_cols[col] = _random.randint(-5, 0)
-                col = C_ACCENT
+            for row_off in range(4):
-            safe_addstr(stdscr, start_y + i, (w - len(sl)) // 2, sl,
+                ry = rain_cols[col] - row_off
-                       curses.color_pair(col))
+                if 0 <= ry < h:
+                    ch = _random.choice(glitch_chars)
+                    brightness = C_LOW if row_off == 0 else C_DIM
+                    if row_off == 0:
+                        brightness = C_LOW
+                    try:
+                        stdscr.addch(ry, col, ch,
+                                    curses.color_pair(brightness) | (curses.A_BOLD if row_off == 0 else curses.A_DIM))
+                    except curses.error:
+                        pass
         stdscr.refresh()
+        stdscr.getch()
+        time.sleep(0.04)
 
-    time.sleep(0.3)
+    # ── Phase 2: Boot sequence with typing effect ──
+    boot_lines = [
+        (f"> SYSTATS v{VERSION} // Electric Entropy Lab", C_ACCENT),
+        (f"> host: {hostname}", C_DIM),
+        (f"> scanning CPU... {cores_phys}C/{cores}T detected", C_LOW),
+        (f"> memory probe... {mem_str} OK", C_LOW),
+        (f"> GPU subsystem... {gpu_str}", C_LOW),
+        (f"> thermal sensors... {temps_str}", C_LOW),
+        (f"> disk volumes... {disk_str}", C_LOW),
+        (f"> network interfaces... ONLINE", C_LOW),
+        (f"> process table... READY", C_LOW),
+        ("> all systems nominal", C_TITLE),
+    ]
 
-    # Phase 2: Decrypt logo animation
+    start_y = (h - len(boot_lines)) // 2 - 3
-    logo_start_y = (h - len(LOGO_ART)) // 2
+    typed_lines = []
-    # Find max logo width
-    max_logo_w = max(len(l) for l in LOGO_ART)
 
-    # Initialize with random chars for non-space positions
+    for line_text, line_col in boot_lines:
-    logo_state = []
+        typed_lines.append((line_text, line_col))
-    for line in LOGO_ART:
-        row = []
-        for ch in line:
-            if ch == ' ' or ch == '\u2500':
-                row.append(ch)
-            else:
-                row.append(_random.choice(glitch_chars))
-        logo_state.append(row)
 
-    # Decrypt columns left to right
+        # Type this line character by character
-    total_cols = max_logo_w
+        for char_idx in range(len(line_text) + 1):
-    decrypt_steps = 20  # frames for full decrypt
+            stdscr.erase()
-    chars_per_step = max(1, total_cols // decrypt_steps)
 
-    revealed = [set() for _ in LOGO_ART]
+            # Fading rain in background
-
+            for col in range(0, w, 3):
-    for step in range(decrypt_steps + 5):
+                ry = _random.randint(0, h - 1)
-        stdscr.erase()
+                ch = _random.choice(glitch_chars)
-
-        # Reveal columns up to this step
-        reveal_up_to = min(step * chars_per_step, total_cols)
-
-        for row_idx, line in enumerate(LOGO_ART):
-            lx = (w - max_logo_w) // 2
-            for col_idx, ch in enumerate(line):
-                if col_idx < reveal_up_to:
-                    revealed[row_idx].add(col_idx)
-
-            display = []
-            for col_idx in range(len(line)):
-                if col_idx in revealed[row_idx]:
-                    display.append(line[col_idx])
-                elif line[col_idx] == ' ':
-                    display.append(' ')
-                else:
-                    display.append(_random.choice(glitch_chars))
-
-            text = "".join(display)
-            # Color: revealed chars in cyan, glitch in dim
-            for col_idx, ch in enumerate(text):
-                if col_idx >= w - lx - 1:
-                    break
-                if ch == ' ':
-                    continue
-                if col_idx in revealed[row_idx]:
-                    attr = curses.color_pair(C_TITLE) | curses.A_BOLD
-                else:
-                    attr = curses.color_pair(C_DIM) | curses.A_DIM
                 try:
-                    stdscr.addch(logo_start_y + row_idx, lx + col_idx, ch, attr)
+                    stdscr.addch(ry, col, ch, curses.color_pair(C_DIM) | curses.A_DIM)
                 except curses.error:
                     pass
 
-        # Version + brand below logo
+            # Draw all completed lines
-        if step > decrypt_steps - 3:
+            for i, (lt, lc) in enumerate(typed_lines[:-1]):
-            ver_str = f"v{VERSION} // Electric Entropy Lab"
+                safe_addstr(stdscr, start_y + i, 2, lt,
-            safe_addstr(stdscr, logo_start_y + len(LOGO_ART) + 1, (w - len(ver_str)) // 2,
+                           curses.color_pair(lc))
-                       ver_str, curses.color_pair(C_ACCENT) | curses.A_BOLD)
 
+            # Draw current line being typed
+            current_y = start_y + len(typed_lines) - 1
+            partial = line_text[:char_idx]
+            safe_addstr(stdscr, current_y, 2, partial, curses.color_pair(line_col))
+
+            # Blinking cursor
+            if char_idx < len(line_text):
+                cursor_x = 2 + char_idx
+                if cursor_x < w:
+                    try:
+                        stdscr.addch(current_y, cursor_x, "\u2588",
+                                    curses.color_pair(C_TITLE) | curses.A_BOLD)
+                    except curses.error:
+                        pass
+
+            stdscr.refresh()
+            stdscr.getch()
+
+            # Variable typing speed
+            if line_text[char_idx - 1:char_idx] in ".:":
+                time.sleep(0.08)
+            elif _random.random() < 0.15:
+                time.sleep(0.06)
+            else:
+                time.sleep(0.015)
+
+        time.sleep(0.15)
+
+    time.sleep(0.4)
+
+    # ── Phase 3: Glitch transition ──
+    for frame in range(6):
+        stdscr.erase()
+        for row in range(h):
+            offset = _random.randint(-3, 3)
+            for col in range(w):
+                try:
+                    stdscr.addch(row, col, _random.choice(glitch_chars),
+                                curses.color_pair(_random.choice([C_TITLE, C_LOW, C_DIM])) | curses.A_DIM)
+                except curses.error:
+                    pass
         stdscr.refresh()
-        stdscr.getch()  # drain
+        time.sleep(0.04)
-        time.sleep(0.05)
 
-    time.sleep(0.5)
+    # ── Phase 4: Logo decrypt ──
+    max_logo_w = max(len(l) for l in LOGO_ART)
+    logo_y = (h - len(LOGO_ART)) // 2 - 1
+    logo_x = (w - max_logo_w) // 2
 
-    # Phase 3: Flash and clear
+    # Build target grid and scrambled state
+    target = []
+    scrambled = []
+    for line in LOGO_ART:
+        t_row = list(line.ljust(max_logo_w))
+        s_row = []
+        for ch in t_row:
+            if ch == ' ':
+                s_row.append(' ')
+            else:
+                s_row.append(_random.choice(glitch_chars))
+        target.append(t_row)
+        scrambled.append(s_row)
+
+    # Reveal each character with multiple scramble frames before settling
+    total_chars = max_logo_w
+    reveal_order = list(range(total_chars))
+    _random.shuffle(reveal_order)
+
+    # Group into waves
+    wave_size = max(1, total_chars // 12)
+    waves = [reveal_order[i:i + wave_size] for i in range(0, len(reveal_order), wave_size)]
+
+    revealed_cols = set()
+
+    for wave_idx, wave in enumerate(waves):
+        # Several scramble frames per wave
+        for scramble_frame in range(4):
+            stdscr.erase()
+
+            for row_idx in range(len(LOGO_ART)):
+                for col_idx in range(max_logo_w):
+                    if logo_x + col_idx >= w - 1:
+                        break
+                    if col_idx in revealed_cols:
+                        ch = target[row_idx][col_idx]
+                        if ch != ' ':
+                            try:
+                                stdscr.addch(logo_y + row_idx, logo_x + col_idx, ch,
+                                            curses.color_pair(C_TITLE) | curses.A_BOLD)
+                            except curses.error:
+                                pass
+                    elif col_idx in wave and scramble_frame >= 2:
+                        ch = target[row_idx][col_idx]
+                        if ch != ' ':
+                            try:
+                                stdscr.addch(logo_y + row_idx, logo_x + col_idx, ch,
+                                            curses.color_pair(C_TITLE) | curses.A_BOLD)
+                            except curses.error:
+                                pass
+                    elif target[row_idx][col_idx] != ' ':
+                        ch = _random.choice(glitch_chars)
+                        try:
+                            stdscr.addch(logo_y + row_idx, logo_x + col_idx, ch,
+                                        curses.color_pair(C_LOW if col_idx in wave else C_DIM) | curses.A_DIM)
+                        except curses.error:
+                            pass
+
+            # Show version once past halfway
+            if wave_idx > len(waves) // 2:
+                ver_str = f"v{VERSION}"
+                brand_str = "Electric Entropy Lab"
+                safe_addstr(stdscr, logo_y + len(LOGO_ART) + 1, (w - len(ver_str)) // 2,
+                           ver_str, curses.color_pair(C_ACCENT) | curses.A_BOLD)
+                safe_addstr(stdscr, logo_y + len(LOGO_ART) + 2, (w - len(brand_str)) // 2,
+                           brand_str, curses.color_pair(C_DIM))
+
+            stdscr.refresh()
+            stdscr.getch()
+            time.sleep(0.035)
+
+        revealed_cols.update(wave)
+
+    # Final clean frame
+    stdscr.erase()
+    for row_idx, line in enumerate(LOGO_ART):
+        safe_addstr(stdscr, logo_y + row_idx, logo_x, line,
+                   curses.color_pair(C_TITLE) | curses.A_BOLD)
+    ver_str = f"v{VERSION}"
+    brand_str = "Electric Entropy Lab"
+    lang_str = f"[{current_lang.upper()}]"
+    safe_addstr(stdscr, logo_y + len(LOGO_ART) + 1, (w - len(ver_str)) // 2,
+               ver_str, curses.color_pair(C_ACCENT) | curses.A_BOLD)
+    safe_addstr(stdscr, logo_y + len(LOGO_ART) + 2, (w - len(brand_str)) // 2,
+               brand_str, curses.color_pair(C_DIM))
+    safe_addstr(stdscr, logo_y + len(LOGO_ART) + 3, (w - len(lang_str)) // 2,
+               lang_str, curses.color_pair(C_DIM))
+
+    # Scanning line effect
+    for scan_y in range(h):
+        try:
+            for sx in range(w):
+                stdscr.addch(scan_y, sx, ' ', curses.color_pair(C_HEADER))
+        except curses.error:
+            pass
+        stdscr.refresh()
+        time.sleep(0.008)
+
+        # Restore the line
+        if logo_y <= scan_y < logo_y + len(LOGO_ART):
+            row_idx = scan_y - logo_y
+            safe_addstr(stdscr, scan_y, logo_x, LOGO_ART[row_idx],
+                       curses.color_pair(C_TITLE) | curses.A_BOLD)
+        elif scan_y == logo_y + len(LOGO_ART) + 1:
+            safe_addstr(stdscr, scan_y, (w - len(ver_str)) // 2, ver_str,
+                       curses.color_pair(C_ACCENT) | curses.A_BOLD)
+        elif scan_y == logo_y + len(LOGO_ART) + 2:
+            safe_addstr(stdscr, scan_y, (w - len(brand_str)) // 2, brand_str,
+                       curses.color_pair(C_DIM))
+        elif scan_y == logo_y + len(LOGO_ART) + 3:
+            safe_addstr(stdscr, scan_y, (w - len(lang_str)) // 2, lang_str,
+                       curses.color_pair(C_DIM))
+        else:
+            for sx in range(w):
+                try:
+                    stdscr.addch(scan_y, sx, ' ')
+                except curses.error:
+                    pass
+        stdscr.refresh()
+
+    time.sleep(0.6)
     stdscr.erase()
     stdscr.refresh()
     time.sleep(0.1)