287 lines
15 KiB
Python
287 lines
15 KiB
Python
#!/usr/bin/env python3
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"""Deterministically build the work-derived Season Zero X teaser."""
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from __future__ import annotations
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import math
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import subprocess
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import wave
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from pathlib import Path
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import numpy as np
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from PIL import Image, ImageDraw, ImageEnhance, ImageFilter, ImageFont
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W, H, FPS, RATE, DURATION = 720, 1280, 30, 48_000, 30.0
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ROOT = Path(__file__).resolve().parent
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SOURCE = ROOT / "source"
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OUT = ROOT / "stackchain-season-zero-work-recut.mp4"
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TMP_VIDEO = ROOT / ".video.mp4"
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TMP_AUDIO = ROOT / ".audio.wav"
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BOLD = "/usr/share/fonts/truetype/dejavu/DejaVuSans-Bold.ttf"
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REG = "/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf"
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COLORS = {"ink": "#070b14", "panel": "#111827", "line": "#334155", "white": "#f8fafc", "muted": "#a9b7cc", "gold": "#ffc857", "cyan": "#5ee7f2", "violet": "#c69cff", "green": "#8ff0a4", "orange": "#ff9c66"}
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ASSETS = {name: Image.open(SOURCE / filename).convert("RGB") for name, filename in {
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"drop": "daily-drop-door-phone.png", "cannon": "cannon-scene-04.png",
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"wizard": "wizard.png", "machine": "machine.png", "creature": "creature.png", "turd": "talking-turd.png",
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}.items()}
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def font(size: int, bold: bool = False):
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return ImageFont.truetype(BOLD if bold else REG, size)
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def ease(x: float) -> float:
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x = max(0.0, min(1.0, x))
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return x * x * (3 - 2 * x)
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def fit_crop(image: Image.Image, box: tuple[int, int, int, int], zoom: float = 1.0, pan_y: float = 0.5) -> Image.Image:
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x0, y0, x1, y1 = box
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bw, bh = x1-x0, y1-y0
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scale = max(bw/image.width, bh/image.height) * zoom
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rw, rh = max(1, int(image.width*scale)), max(1, int(image.height*scale))
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resized = image.resize((rw, rh), Image.Resampling.LANCZOS)
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left = max(0, (rw-bw)//2)
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top = max(0, min(rh-bh, int((rh-bh)*pan_y)))
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return resized.crop((left, top, left+bw, top+bh))
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def rounded_image(canvas: Image.Image, image: Image.Image, box: tuple[int, int, int, int], radius: int = 24, zoom: float = 1.0, pan_y: float = 0.5, border: str = COLORS["line"]):
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crop = fit_crop(image, box, zoom, pan_y)
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mask = Image.new("L", crop.size, 0)
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ImageDraw.Draw(mask).rounded_rectangle((0, 0, crop.width-1, crop.height-1), radius, fill=255)
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canvas.paste(crop, (box[0], box[1]), mask)
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d = ImageDraw.Draw(canvas)
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d.rounded_rectangle(box, radius, outline=border, width=3)
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def text(d: ImageDraw.ImageDraw, xy, value: str, size: int, fill: str = COLORS["white"], bold: bool = False, anchor: str | None = None):
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d.text(xy, value, font=font(size, bold), fill=fill, anchor=anchor)
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def centered(d, value: str, y: int, size: int, fill: str = COLORS["white"], bold: bool = False):
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text(d, (W//2, y), value, size, fill, bold, "ma")
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def base(t: float) -> Image.Image:
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y = np.linspace(0, 1, H)[:, None, None]
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top = np.array((5, 10, 20))[None, None, :]
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bottom = np.array((22, 15, 40))[None, None, :]
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grad = top*(1-y) + bottom*y
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xwave = 5*np.sin(np.linspace(0, 9, W)[None, :, None] + t*.6)
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arr = np.broadcast_to(grad, (H, W, 3)) + xwave
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im = Image.fromarray(np.clip(arr, 0, 255).astype(np.uint8), "RGB")
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d = ImageDraw.Draw(im)
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for i in range(7):
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yy = int((t*52 + i*195) % (H+160))-80
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d.line((0, yy, W, yy-120), fill=(25, 42, 65), width=2)
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return im
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def chrome(d: ImageDraw.ImageDraw, t: float, active: int):
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d.rectangle((0, 0, W, 76), fill="#080d18")
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d.line((0, 76, W, 76), fill=COLORS["line"], width=2)
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text(d, (32, 23), "STACKCHAIN LAB", 25, COLORS["white"], True)
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text(d, (W-32, 25), "SEASON ZERO", 20, COLORS["gold"], True, "ra")
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nodes = [(64, "WORK"), (215, "CHALLENGE"), (390, "MUTATE"), (563, "AUDIENCE")]
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y = 1208
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d.line((64, y, 656, y), fill=COLORS["line"], width=5)
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progress = min(1, max(0, t/DURATION))
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d.line((64, y, 64+592*progress, y), fill=COLORS["cyan"], width=5)
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for i, (x, label) in enumerate(nodes):
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c = COLORS["gold"] if i == active else (COLORS["cyan"] if i < active else COLORS["line"])
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d.ellipse((x-9, y-9, x+9, y+9), fill=c)
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text(d, (x, y+27), label, 15, c, True, "ma")
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scan = int((t*155) % (H-160)) + 80
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d.rectangle((0, scan, W, scan+2), fill="#5ee7f222")
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def issue_card(d, box, number, title, owner, state, accent):
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d.rounded_rectangle(box, 14, fill=COLORS["panel"], outline=accent, width=2)
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x0, y0, x1, _ = box
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text(d, (x0+15, y0+13), f"#{number}", 19, accent, True)
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text(d, (x1-15, y0+15), state.upper(), 16, COLORS["muted"], True, "ra")
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words = title.split()
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lines, line = [], ""
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for word in words:
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trial = (line+" "+word).strip()
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if d.textlength(trial, font=font(19, True)) > x1-x0-30:
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lines.append(line); line = word
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else: line = trial
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lines.append(line)
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for i, ln in enumerate(lines[:2]): text(d, (x0+15, y0+46+i*25), ln, 19, COLORS["white"], True)
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text(d, (x0+15, y0+104), f"agent:{owner}", 16, accent)
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def scene_board(im: Image.Image, t: float):
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d = ImageDraw.Draw(im)
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local = t
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centered(d, "THE WORK IS PUBLIC", 112, 35, COLORS["white"], True)
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centered(d, "A LIVE QUEUE. A REAL HANDOFF.", 158, 21, COLORS["cyan"], True)
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sway = int(7*math.sin(local*1.8))
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d.rounded_rectangle((28+sway, 205, 692+sway, 1015), 24, fill="#0b1220", outline=COLORS["line"], width=3)
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text(d, (52+sway, 228), "stackchain / stackchain-lab-loop", 20, COLORS["muted"], True)
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for x, label, c in [(50, "READY", COLORS["cyan"]), (274, "CLAIMED", COLORS["gold"]), (498, "REVIEW", COLORS["green"])]:
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text(d, (x+sway, 281), label, 17, c, True)
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issue_card(d, (48+sway, 320, 254+sway, 455), 7, "The Cannon Needs a Pilot", "vincent", "ready", COLORS["violet"])
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issue_card(d, (48+sway, 475, 254+sway, 610), 13, "Attack the Cannon Chain", "vincent", "ready", COLORS["cyan"])
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issue_card(d, (274+sway, 320, 480+sway, 455), 16, "Build the X teaser", "timmy", "claimed", COLORS["gold"])
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issue_card(d, (498+sway, 320, 672+sway, 455), 1, "Prove the Lab Loop", "vincent", "review", COLORS["green"])
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d.rounded_rectangle((54+sway, 670, 666+sway, 962), 18, fill="#16112a", outline=COLORS["violet"], width=3)
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text(d, (78+sway, 694), "EPIC #7 // SEASON ZERO", 21, COLORS["violet"], True)
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text(d, (78+sway, 744), "THE CANNON NEEDS A PILOT", 28, COLORS["white"], True)
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text(d, (78+sway, 801), "6-episode character evolution chain", 19, COLORS["muted"])
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for i, line in enumerate(("✓ persistent Timmy", "✓ power / scar / cost / receipt", "✓ audience choice advances canon")):
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text(d, (90+sway, 846+i*33), line, 19, COLORS["green"] if i < 2 else COLORS["gold"], True)
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text(d, (50, 1060), "TIMMY → VINCENT → HUMAN REVIEW", 24, COLORS["gold"], True)
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def scene_receipt(im: Image.Image, t: float):
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d = ImageDraw.Draw(im)
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local = t-5
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centered(d, "CHALLENGED. THEN VERIFIED.", 116, 31, COLORS["white"], True)
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x = 38 + int(8*math.sin(local*2))
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d.rounded_rectangle((x, 205, W-38+x-38, 945), 22, fill="#0c1423", outline=COLORS["cyan"], width=3)
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text(d, (x+24, 230), "ISSUE #1 / CONTRIBUTION RECEIPT", 19, COLORS["cyan"], True)
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d.rounded_rectangle((x+22, 278, W-62, 520), 18, fill=COLORS["panel"], outline=COLORS["line"], width=2)
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text(d, (x+44, 302), "VINCENT", 23, COLORS["violet"], True)
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text(d, (W-84, 307), "INDEPENDENT PASS", 16, COLORS["muted"], True, "ra")
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text(d, (x+44, 355), "Fetched PR #4 from Timmy's branch", 20, COLORS["white"])
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text(d, (x+44, 397), "8 TESTS PASS", 39, COLORS["green"], True)
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text(d, (x+44, 452), "Label transition regression verified", 20, COLORS["muted"])
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d.rounded_rectangle((x+22, 555, W-62, 804), 18, fill="#17122b", outline=COLORS["violet"], width=2)
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text(d, (x+44, 580), "DEFINITION OF DONE", 19, COLORS["violet"], True)
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checks = ("Both agents read assigned tickets", "Both leave verified evidence", "Timmy → Vincent → review", "Credentials remain host-local")
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for i, line in enumerate(checks):
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text(d, (x+48, 633+i*40), "✓", 22, COLORS["green"], True)
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text(d, (x+82, 635+i*40), line, 19, COLORS["white"])
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text(d, (x+24, 856), "RECEIPT: ISSUE #1 • PR #4 • 8/8", 21, COLORS["gold"], True)
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centered(d, "CRITIQUE BECOMES A BUILD INPUT.", 1012, 23, COLORS["gold"], True)
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centered(d, "NOT A COMMENT. A CONSEQUENCE.", 1055, 19, COLORS["muted"], True)
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def scene_sources(im: Image.Image, t: float):
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d = ImageDraw.Draw(im)
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local = t-10
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centered(d, "REAL ARTIFACTS ENTER THE CHAIN", 112, 29, COLORS["white"], True)
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shift = int(10*math.sin(local*.9))
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rounded_image(im, ASSETS["drop"], (35+shift, 205, 350+shift, 930), 22, 1.03+local*.008, .46, COLORS["gold"])
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rounded_image(im, ASSETS["cannon"], (370-shift, 205, 685-shift, 930), 22, 1.05+local*.01, .5, COLORS["orange"])
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d = ImageDraw.Draw(im)
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d.rounded_rectangle((48+shift, 835, 337+shift, 913), 12, fill="#070b14dd")
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text(d, (65+shift, 852), "DAILY DROP", 19, COLORS["gold"], True)
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text(d, (65+shift, 881), "THE DOOR / VERIFIED", 16, COLORS["white"], True)
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d.rounded_rectangle((383-shift, 835, 672-shift, 913), 12, fill="#070b14dd")
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text(d, (400-shift, 852), "CANNON OUTPUT", 19, COLORS["orange"], True)
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text(d, (400-shift, 881), "SCENE 04 / SOURCE", 16, COLORS["white"], True)
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# Animated transfer beam unifies the two work artifacts.
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beam = int(95 + (local % 2.0)/2.0*520)
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d.line((beam, 965, beam+70, 965), fill=COLORS["cyan"], width=7)
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d.polygon([(beam+70, 953), (beam+94, 965), (beam+70, 977)], fill=COLORS["cyan"])
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centered(d, "SOURCE → PRESSURE → MUTATION", 1025, 23, COLORS["cyan"], True)
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centered(d, "THE ART CHANGES JOBS. IT ISN'T FILLER.", 1070, 18, COLORS["muted"], True)
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def scene_mutations(im: Image.Image, t: float):
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d = ImageDraw.Draw(im)
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local = t-16
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centered(d, "ONE PILOT. FOUR CONSEQUENCES.", 108, 29, COLORS["white"], True)
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specs = [
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("wizard", "WIZARD", "AMBIGUITY → SPELL", COLORS["violet"]),
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("machine", "MACHINE", "REPEATABILITY → EXACT", COLORS["cyan"]),
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("creature", "CREATURE", "HUNGER → SIGNAL", COLORS["green"]),
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("turd", "TALKING TURD", "RIDICULE → PUNCHLINE", "#ffd18a"),
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]
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boxes = [(35, 190, 350, 610), (370, 190, 685, 610), (35, 650, 350, 1070), (370, 650, 685, 1070)]
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for i, ((key, name, pressure, color), box) in enumerate(zip(specs, boxes)):
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reveal = ease((local-i*.55)/1.3)
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cx = (box[0]+box[2])//2
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cy = (box[1]+box[3])//2
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bw, bh = box[2]-box[0], box[3]-box[1]
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sw, sh = max(8, int(bw*reveal)), max(8, int(bh*reveal))
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live = (cx-sw//2, cy-sh//2, cx+sw//2, cy+sh//2)
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rounded_image(im, ASSETS[key], live, 20, 1.0+.025*math.sin(local*1.7+i), .45, color)
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d = ImageDraw.Draw(im)
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if reveal > .78:
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alpha_box = (box[0]+8, box[3]-94, box[2]-8, box[3]-10)
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d.rounded_rectangle(alpha_box, 12, fill="#070b14e8")
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text(d, (box[0]+20, box[3]-82), name, 20 if name != "TALKING TURD" else 17, color, True)
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text(d, (box[0]+20, box[3]-48), pressure, 16, COLORS["white"], True)
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centered(d, "PLANNED CARDS • EPISODE 01", 1120, 18, COLORS["gold"], True)
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def scene_gate(im: Image.Image, t: float):
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d = ImageDraw.Draw(im)
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local = t-25
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for i, color in enumerate((COLORS["violet"], COLORS["cyan"], COLORS["green"], "#ffd18a")):
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a = local*.8+i*math.pi/2
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x, y = W/2+math.cos(a)*245, 390+math.sin(a)*130
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r = 50+8*math.sin(local*3+i)
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d.ellipse((x-r, y-r, x+r, y+r), fill=color, outline=COLORS["white"], width=3)
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centered(d, "THE AUDIENCE ALTERS CANON", 125, 25, COLORS["gold"], True)
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centered(d, "WHICH TIMMY", 590, 57, COLORS["white"], True)
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centered(d, "GETS TO REMEMBER", 675, 49, COLORS["white"], True)
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centered(d, "THIS?", 765, 76, COLORS["gold"], True)
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d.rounded_rectangle((55, 892, W-55, 1000), 18, outline=COLORS["cyan"], width=3)
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centered(d, "WIZARD / MACHINE", 917, 24, COLORS["white"], True)
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centered(d, "CREATURE / TALKING TURD", 959, 21, COLORS["white"], True)
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centered(d, "NO POST UNTIL HUMAN APPROVAL", 1072, 19, COLORS["muted"], True)
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def frame(t: float) -> Image.Image:
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im = base(t)
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if t < 5: scene_board(im, t); active = 0
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elif t < 10: scene_receipt(im, t); active = 1
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elif t < 16: scene_sources(im, t); active = 1
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elif t < 25: scene_mutations(im, t); active = 2
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else: scene_gate(im, t); active = 3
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chrome(ImageDraw.Draw(im), t, active)
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# Soft entrance/exit only; scene motion remains continuous within each stage.
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if t < .35:
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im = ImageEnhance.Brightness(im).enhance(ease(t/.35))
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if t > DURATION-.5:
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im = ImageEnhance.Brightness(im).enhance(max(0, (DURATION-t)/.5))
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return im
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def build_audio():
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n = int(DURATION*RATE)
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audio = np.zeros(n, dtype=np.float64)
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rng = np.random.default_rng(1608072026)
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for beat in np.arange(0, DURATION, .5):
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i = int(beat*RATE); length = min(int(.16*RATE), n-i); x = np.arange(length)/RATE
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audio[i:i+length] += .42*np.sin(2*np.pi*(74*x-28*x*x))*np.exp(-x*25)
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for beat in np.arange(.5, DURATION, 1):
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i = int(beat*RATE); length = min(int(.12*RATE), n-i); x = np.arange(length)/RATE
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audio[i:i+length] += .12*rng.normal(0, 1, length)*np.exp(-x*34)
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for beat in np.arange(.25, DURATION, .5):
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i = int(beat*RATE); length = min(int(.035*RATE), n-i); x = np.arange(length)/RATE
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audio[i:i+length] += .04*rng.normal(0, 1, length)*np.exp(-x*80)
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stages = [(0, 5, (110, 165, 220)), (5, 10, (123, 185, 247)), (10, 16, (98, 147, 196)), (16, 25, (131, 196, 262)), (25, 30, (110, 220, 330))]
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for start, end, chord in stages:
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i0, i1 = int(start*RATE), int(end*RATE); x = np.arange(i1-i0)/RATE
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env = np.minimum(1, x*2)*np.minimum(1, (end-start-x)*2)
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for f in chord: audio[i0:i1] += .035*np.sin(2*np.pi*f*x)*env
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audio = np.tanh(audio*1.4)
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pcm = (audio*32767).astype("<i2")
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with wave.open(str(TMP_AUDIO), "wb") as w:
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w.setnchannels(1); w.setsampwidth(2); w.setframerate(RATE); w.writeframes(pcm.tobytes())
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def main():
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cmd = ["ffmpeg", "-y", "-loglevel", "error", "-f", "rawvideo", "-pix_fmt", "rgb24", "-s", f"{W}x{H}", "-r", str(FPS), "-i", "-", "-an", "-c:v", "libx264", "-preset", "medium", "-crf", "20", "-pix_fmt", "yuv420p", "-movflags", "+faststart", str(TMP_VIDEO)]
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proc = subprocess.Popen(cmd, stdin=subprocess.PIPE)
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assert proc.stdin
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try:
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for i in range(int(DURATION*FPS)): proc.stdin.write(frame(i/FPS).tobytes())
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finally: proc.stdin.close()
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if proc.wait(): raise SystemExit("video encode failed")
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build_audio()
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subprocess.run(["ffmpeg", "-y", "-loglevel", "error", "-i", str(TMP_VIDEO), "-i", str(TMP_AUDIO), "-c:v", "copy", "-c:a", "aac", "-b:a", "160k", "-shortest", "-movflags", "+faststart", str(OUT)], check=True)
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TMP_VIDEO.unlink(); TMP_AUDIO.unlink()
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for sec, name in [(2, "01-board"), (7, "02-vincent-receipt"), (13, "03-source-artifacts"), (21, "04-mutations"), (27, "05-audience-gate")]:
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frame(sec).save(ROOT / "stills" / f"{name}.jpg", quality=88)
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print(OUT)
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if __name__ == "__main__": main()
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