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| #!/usr/bin/env python3 | |
| """Index ../animation/ and map every source clip onto it. | |
| `animation/` is the dataset: one FBX per distinct motion, each holding exactly | |
| one take. Everything reported about the library is measured there, so this | |
| script writes the two tables that describe it — | |
| animation.csv one row per clip in animation/ | |
| species.csv one row per species, aggregated from animation.csv | |
| animation_frames.json clip -> frame count | |
| animation_bones.json species -> its joint names | |
| — and fills two columns in `clips.csv` that say, for every file in `Truebone_Z-OO/`, | |
| which animation clip carries its motion and why it is not itself in the set: | |
| animation_file the clip in animation/ that holds this motion | |
| status linked | mirror | duplicate | combined | combined_only | static | orphan | |
| A source clip is `linked` when animation/ holds that exact file, `mirror` when | |
| it is the BVH export of a clip already there, `duplicate` when the source shipped | |
| the same motion twice under two names, `combined` for a group's `ALL` file, | |
| `static` when it carries no motion at all (every T-pose, plus model-only | |
| exports), and `orphan` for a rig that belongs to no group. | |
| `combined_only` marks the one motion the library ships with no standalone FBX of | |
| its own — `Lynx/Idle4`, which exists as a BVH and as a take inside `LynxALL.fbx` | |
| and nowhere else. Cutting it out would mean re-exporting it, and a round trip | |
| through an editor rebuilds the rest pose from the first frame, so the clip would | |
| no longer share its species' skeleton. It stays where the source put it. | |
| Source clips are matched to animation clips by name first, then by content: | |
| same species and the same length to within a frame, confirmed curve by curve for | |
| FBX. That second pass is what pairs the BVH exports, whose names do not always | |
| agree with their FBX twins (`__BearRun.bvh` against `BEAR-BearRun.fbx`). | |
| """ | |
| import collections, csv, json, os, sys | |
| HERE = os.path.dirname(os.path.abspath(__file__)) | |
| SCRIPTS = os.path.dirname(HERE) | |
| ROOT = os.path.dirname(SCRIPTS) | |
| sys.path[:0] = [HERE, os.path.join(SCRIPTS, "probes")] | |
| from fbx_probe import probe as fbx_probe | |
| from fbx_takes import probe as takes_probe | |
| from fbx_stacks import takes_with_motion | |
| from fbx_curves import same_motion | |
| import normalize as N | |
| ANIM = os.path.join(ROOT, "animation") | |
| ANIM_COLS = ["file", "species", "action", "take", "num_takes", "num_actions", "num_joints", "root_joint", | |
| "frames", "fps", "duration_sec", "fbx_version", "bytes", "num_source_files"] | |
| SPECIES_COLS = ["species", "num_clips", "num_joints", "rig_variants", "root_joint", | |
| "total_frames", "total_duration_sec", "mean_duration_sec", "num_textures", | |
| "source_fbx", "source_bvh", "has_combined_all", "has_tpose"] | |
| def index_animation(clip_joints): | |
| rows = [] | |
| for f in sorted(os.listdir(ANIM)): | |
| if not f.endswith(".fbx"): | |
| continue | |
| p = os.path.join(ANIM, f) | |
| species, action = os.path.splitext(f)[0].split("-", 1) | |
| x, t = fbx_probe(p), takes_probe(p) | |
| clip_joints[f] = x["joints"] | |
| rows.append({ | |
| "file": "animation/" + f, "species": species, "action": action, | |
| "take": t["takes"][0][0] if t["takes"] else "", "num_takes": t["num_takes"], | |
| "num_actions": takes_with_motion(p), | |
| "num_joints": x["num_joints"], "root_joint": x["root_joint"], | |
| "frames": x["keyframes"], "fps": x["fps"], "duration_sec": x["duration_sec"], | |
| "fbx_version": x["fbx_version"], "bytes": os.path.getsize(p), | |
| "num_source_files": 0, | |
| }) | |
| return rows | |
| def normalized_names(clips): | |
| """(species, action) for every source row, under the naming rules of normalize.py.""" | |
| rows = sorted(clips, key=lambda r: r["file"]) | |
| alias = N.infer_aliases(rows) | |
| prelim = [N.norm_action(os.path.splitext(os.path.basename(r["file"]))[0], | |
| r["group"], alias, r["format"]) for r in rows] | |
| canon = N.canonical_case(prelim) | |
| return {r["file"]: (N.norm_species(r["group"]), N.mixamo_style(canon[a.lower()])) | |
| for r, a in zip(rows, prelim)} | |
| def main(): | |
| clip_joints = {} | |
| anim = index_animation(clip_joints) | |
| by_name = {(r["species"], r["action"]): r for r in anim} | |
| by_species = collections.defaultdict(list) | |
| for r in anim: | |
| by_species[r["species"]].append(r) | |
| clips = list(csv.DictReader(open(os.path.join(ROOT, "clips.csv")))) | |
| names = normalized_names(clips) | |
| # build_dataset.py leaves fps/duration/root empty for FBX rows because its | |
| # first pass reads headers only. Fill them here, where the key times are | |
| # decoded anyway. | |
| for r in clips: | |
| if r["format"] != "fbx" or r["fps"]: | |
| continue | |
| try: | |
| x = fbx_probe(os.path.join(ROOT, r["file"])) | |
| except Exception: | |
| continue | |
| r["fps"] = x["fps"] or "" | |
| r["duration_sec"] = x["duration_sec"] or "" | |
| r["root_joint"] = x["root_joint"] | |
| unmatched = [] | |
| for r in clips: | |
| sp, act = names[r["file"]] | |
| r["animation_file"], r["status"] = "", "" | |
| # The exact file animation/ holds. `normalized_name` is not always | |
| # `<species>-<action>.fbx`: three clips carry a `_2` suffix so that two | |
| # names differing only in case can coexist on this filesystem. | |
| if r.get("normalized_name"): | |
| target = "animation/" + r["normalized_name"] | |
| if os.path.exists(os.path.join(ROOT, target)): | |
| r["animation_file"], r["status"] = target, "linked" | |
| continue | |
| if r["file"] in N.EXCLUDE_SOURCES: | |
| r["status"] = "orphan"; continue | |
| # Order matters: 21 groups ship a bind-pose model named after the species | |
| # alone, which normalizes to `ALL` but holds no take at all. | |
| # A T-pose is a rest pose whatever its curves say — one of them drifts by | |
| # a degree over its 60 frames, which is motion by measurement and nothing | |
| # by intent — so the name decides here, not `has_motion`. | |
| if r["has_motion"] != "true" or act == "TPOSE": | |
| r["status"] = "static"; continue | |
| if act == "ALL": | |
| r["status"] = "combined"; continue | |
| # Same motion under another name, or the BVH twin of an FBX already in the | |
| # set: same species, same length to within a frame. Several candidates are | |
| # ranked by how close the action names are, and an FBX match is confirmed | |
| # curve by curve before it is accepted. | |
| want = int(r["frames"] or 0) | |
| cands = [a for a in by_species.get(sp, []) if abs(a["frames"] - want) <= 1] | |
| if (sp, act) in by_name: | |
| cands = [by_name[(sp, act)]] + [c for c in cands if c is not by_name[(sp, act)]] | |
| hit = "" | |
| for c in cands: | |
| if r["format"] == "fbx": | |
| ok, _ = same_motion(os.path.join(ROOT, r["file"]), os.path.join(ROOT, c["file"])) | |
| if not ok: | |
| continue | |
| hit = c["file"]; break | |
| if hit: | |
| r["animation_file"] = hit | |
| r["status"] = "mirror" if r["format"] == "bvh" else "duplicate" | |
| else: | |
| r["status"] = "combined_only" | |
| unmatched.append((r["file"], sp, act, want)) | |
| counts = collections.Counter(r["animation_file"] for r in clips if r["animation_file"]) | |
| for a in anim: | |
| a["num_source_files"] = counts.get(a["file"], 0) | |
| tex, src_fbx, src_bvh, tpose, comb = (collections.Counter() for _ in range(5)) | |
| for r in clips: | |
| sp, act = names[r["file"]] | |
| (src_fbx if r["format"] == "fbx" else src_bvh)[sp] += 1 | |
| if act == "TPOSE": tpose[sp] += 1 | |
| if r["status"] == "combined": comb[sp] += 1 | |
| for dp, dn, fn in os.walk(os.path.join(ROOT, "Truebone_Z-OO")): | |
| for f in fn: | |
| if os.path.splitext(f)[1].lower() in (".jpg", ".jpeg", ".png", ".tga"): | |
| tex[N.norm_species(os.path.relpath(dp, os.path.join(ROOT, "Truebone_Z-OO")).split(os.sep)[0])] += 1 | |
| species = [] | |
| for sp in sorted(by_species): | |
| cs = by_species[sp] | |
| dur = sum(c["duration_sec"] for c in cs) | |
| joints = sorted({c["num_joints"] for c in cs}) | |
| roots = sorted({c["root_joint"] for c in cs}) | |
| variants = len({tuple(clip_joints[c["file"].split("/")[-1]]) for c in cs}) | |
| species.append({ | |
| "species": sp, "num_clips": len(cs), "rig_variants": variants, | |
| "num_joints": joints[0] if len(joints) == 1 else "|".join(map(str, joints)), | |
| "root_joint": roots[0] if len(roots) == 1 else "|".join(roots), | |
| "total_frames": sum(c["frames"] for c in cs), | |
| "total_duration_sec": round(dur, 3), | |
| "mean_duration_sec": round(dur / len(cs), 3), | |
| "num_textures": tex.get(sp, 0), | |
| "source_fbx": src_fbx.get(sp, 0), "source_bvh": src_bvh.get(sp, 0), | |
| "has_combined_all": str(comb.get(sp, 0) > 0).lower(), | |
| "has_tpose": str(tpose.get(sp, 0) > 0).lower(), | |
| }) | |
| def write(name, cols, rows): | |
| with open(os.path.join(ROOT, name), "w", newline="", encoding="utf-8") as fh: | |
| w = csv.DictWriter(fh, fieldnames=cols, extrasaction="ignore") | |
| w.writeheader(); w.writerows(rows) | |
| print("%-16s -> %d rows" % (name, len(rows))) | |
| # The two per-clip sidecars, shaped like the Mixamo set's: a flat map from | |
| # filename to one value, sorted by key. | |
| frames = {r["file"].split("/")[-1]: r["frames"] for r in anim} | |
| # A species' joint list is the one its clips most often have — a real rig, not | |
| # a pooled vocabulary. Pooling looked tidier but produced a list that matched | |
| # no actual file: `Monkey` clips carry 88 joints each and the union ran to 91, | |
| # because every clip names the container node of the mesh variant it was | |
| # exported with (`Monkey_A01` against `Monkey_B02`). | |
| seen = collections.defaultdict(collections.Counter) | |
| for r in anim: | |
| seen[r["species"]][tuple(clip_joints[r["file"].split("/")[-1]])] += 1 | |
| bones = {sp: list(c.most_common(1)[0][0]) for sp, c in seen.items()} | |
| def dump(name, obj): | |
| with open(os.path.join(ROOT, name), "w", encoding="utf-8") as fh: | |
| json.dump(obj, fh, indent=1, ensure_ascii=False) | |
| print("%-22s -> %d keys" % (name, len(obj))) | |
| dump("animation_frames.json", {k: frames[k] for k in sorted(frames)}) | |
| dump("animation_bones.json", {k: sorted(bones[k]) for k in sorted(bones)}) | |
| write("animation.csv", ANIM_COLS, anim) | |
| write("species.csv", SPECIES_COLS, species) | |
| cols = [c for c in clips[0] if c not in ("animation_file", "status")] + ["animation_file", "status"] | |
| write("clips.csv", cols, clips) | |
| st = collections.Counter(r["status"] for r in clips) | |
| print("\nstatus:", dict(st)) | |
| print("animation clips with no source row:", | |
| sum(1 for a in anim if a["num_source_files"] == 0), | |
| [a["file"] for a in anim if a["num_source_files"] == 0]) | |
| print("source clips with motion and no clip of their own:", len(unmatched)) | |
| for u in unmatched[:20]: | |
| print(" ", u) | |
| if __name__ == "__main__": | |
| main() | |