File size: 6,782 Bytes
5154c4e
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
from __future__ import annotations

import argparse
import json
import math
import os
import subprocess
import sys
from dataclasses import dataclass, field
from pathlib import Path


DESKTOP = Path("/home/user/Desktop")
BLENDER = os.environ.get("BLENDER_PATH", "blender")
FALLBACK_INIT = Path(__file__).resolve().parent / "init_file" / "scene.blend"
INIT_BLEND = DESKTOP / "scene.blend"


@dataclass
class CheckResult:
    name: str
    passed: bool
    msg: str


@dataclass
class ScoreCard:
    checks: list = field(default_factory=list)

    def add(self, name, passed, msg, **_kw):
        self.checks.append(CheckResult(name, passed, msg))

    @property
    def all_passed(self):
        return bool(self.checks) and all(c.passed for c in self.checks)

    @property
    def total_score(self):
        return 1.0 if self.all_passed else 0.0

    def to_dict(self):
        return {"score": self.total_score, "passed": self.all_passed,
                "checks": {c.name: {"passed": c.passed, "msg": c.msg}
                           for c in self.checks}}

    def render(self):
        lines = ["-" * 78]
        for c in self.checks:
            mark = "PASS" if c.passed else "FAIL"
            lines.append(f"  [{mark}]  {c.name:<34} {c.msg}")
        lines.append("-" * 78)
        lines.append(f"  Result: {'PASS' if self.all_passed else 'FAIL'} "
                     f"(score = {self.total_score:.1f})")
        lines.append("-" * 78)
        return "\n".join(lines)


def _run_eval(blend_path):
    import bpy
    import bmesh

    card = ScoreCard()

    if not os.path.isfile(blend_path):
        card.add("file_exists", False, f"no .blend at {blend_path}")
        return card
    init_path = INIT_BLEND if INIT_BLEND.is_file() else FALLBACK_INIT
    if not init_path.is_file():
        card.add("init_exists", False, f"no init .blend at {INIT_BLEND}")
        return card
    card.add("file_exists", True, f"blend = {blend_path}")

    bpy.ops.wm.open_mainfile(filepath=str(init_path))
    src = bpy.data.objects.get("Block")
    if src is None or src.type != "MESH":
        card.add("source_exists", False, "Block missing in init scene")
        return card

    weighted_edges = {
        i for i, item in enumerate(src.data.attributes["bevel_weight_edge"].data)
        if item.value > 0.5
    }
    card.add("weighted_edge_count", len(weighted_edges) == 4,
             f"weighted edges = {sorted(weighted_edges)}")

    bpy.ops.wm.open_mainfile(filepath=blend_path)
    obj = bpy.data.objects.get("Block")
    if obj is None or obj.type != "MESH":
        card.add("object_exists", False, "Block missing")
        return card
    card.add("object_exists", True, "Block present")
    card.add("single_mesh_object", sum(1 for o in bpy.data.objects if o.type == "MESH") == 1,
             "expected exactly one mesh object")
    card.add("modifier_stack_empty", len(obj.modifiers) == 0,
             f"{len(obj.modifiers)} modifier(s) remaining")
    card.add("world_origin", all(abs(c) < 5e-3 for c in obj.matrix_world.translation),
             f"world loc = {tuple(round(c, 4) for c in obj.matrix_world.translation)}")

    bm = bmesh.new()
    bm.from_mesh(obj.data)
    bmesh.ops.transform(bm, matrix=obj.matrix_world, verts=bm.verts)

    tol = 5e-3
    xs = [v.co.x for v in bm.verts]
    ys = [v.co.y for v in bm.verts]
    zs = [v.co.z for v in bm.verts]
    card.add("bbox_x", abs(min(xs) + 1.0) < tol and abs(max(xs) - 1.0) < tol,
             f"x range ({min(xs):.3f},{max(xs):.3f})")
    card.add("bbox_y", abs(min(ys) + 1.0) < tol and abs(max(ys) - 1.0) < tol,
             f"y range ({min(ys):.3f},{max(ys):.3f})")
    card.add("bbox_z", abs(min(zs) + 1.0) < tol and abs(max(zs) - 1.0) < tol,
             f"z range ({min(zs):.3f},{max(zs):.3f})")

    # Compare the final mesh against the reference bevel output shape.
    bpy.ops.wm.open_mainfile(filepath=str(init_path))
    ref_obj = bpy.data.objects["Block"]
    bpy.context.view_layer.objects.active = ref_obj
    ref_obj.select_set(True)
    mod = ref_obj.modifiers.new("Bevel", "BEVEL")
    mod.width = 0.1
    mod.segments = 2
    mod.profile = 0.5
    mod.limit_method = "WEIGHT"
    bmesh.ops.transform(bmesh.new(), matrix=ref_obj.matrix_world, verts=[])
    bpy.ops.object.modifier_apply(modifier="Bevel")
    ref_bm = bmesh.new()
    ref_bm.from_mesh(ref_obj.data)
    bmesh.ops.transform(ref_bm, matrix=ref_obj.matrix_world, verts=ref_bm.verts)

    def sorted_coords(mesh_bm):
        return sorted((round(v.co.x, 4), round(v.co.y, 4), round(v.co.z, 4)) for v in mesh_bm.verts)

    card.add("geometry_matches_reference", sorted_coords(bm) == sorted_coords(ref_bm),
             "final geometry matches reference bevel result")

    bm.free()
    ref_bm.free()
    return card


def eval_outputs(blend_path, expected=None, postconfig=None):
    return _run_eval(blend_path).to_dict()


def _emit(card):
    print(card.render())
    print("EVAL_RESULT:" + json.dumps(card.to_dict()))


def _run_via_blender(blend_path):
    import tempfile
    with tempfile.TemporaryDirectory() as td:
        tmp = Path(td)
        result_path = tmp / "result.json"
        runner = tmp / "runner.py"
        runner.write_text(
            "import importlib.util, json\n"
            f"spec = importlib.util.spec_from_file_location('eval_mod', {str(Path(__file__).resolve())!r})\n"
            "mod = importlib.util.module_from_spec(spec)\n"
            "spec.loader.exec_module(mod)\n"
            f"card = mod._run_eval({str(blend_path)!r})\n"
            f"Path = __import__('pathlib').Path\n"
            f"Path({str(result_path)!r}).write_text(json.dumps({{'pass': card.all_passed}}), encoding='utf-8')\n"
            "print('True' if card.all_passed else 'False')\n",
            encoding="utf-8",
        )
        proc = subprocess.run(
            [BLENDER, "--background", "--factory-startup", "--python", str(runner)],
            capture_output=True,
            text=True,
            encoding="utf-8",
            errors="replace",
            timeout=600,
        )
        if result_path.exists():
            try:
                return json.loads(result_path.read_text(encoding="utf-8")).get("pass", False)
            except Exception:
                return False
        return proc.returncode == 0


def main():
    argv = sys.argv
    if "--" in argv:
        argv = argv[argv.index("--") + 1:]
    else:
        argv = argv[1:]
    p = argparse.ArgumentParser(description="Evaluate HH02.")
    p.add_argument("--blend", default=str(DESKTOP / "answer.blend"))
    args = p.parse_args(argv)
    if "bpy" in sys.modules:
        _emit(_run_eval(args.blend))
        return
    print("True" if _run_via_blender(args.blend) else "False")


if __name__ == "__main__":
    main()