46 lines
2.2 KiB
Python
46 lines
2.2 KiB
Python
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# Which image datablocks exist, and which ones the body material actually SAMPLES.
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# blender --background --python 16b_images.py -- <blend> [<blend2> ...]
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import bpy, sys
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import numpy as np
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for BLEND in sys.argv[sys.argv.index("--") + 1:]:
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bpy.ops.wm.open_mainfile(filepath=BLEND)
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print(f"\n===== {BLEND} =====")
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ob = max([o for o in bpy.data.objects if o.type == 'MESH'],
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key=lambda o: len(o.data.vertices))
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print(f"body '{ob.name}' {len(ob.data.vertices)}v materials="
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f"{[ms.material.name if ms.material else None for ms in ob.material_slots]}")
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for i in bpy.data.images:
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b = np.empty(i.size[0] * i.size[1] * 4, dtype=np.float32)
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try:
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i.pixels.foreach_get(b)
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m = b.reshape(-1, 4)[:, :3]
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stat = f"mean {m.mean(axis=0).round(4)} std {m.std(axis=0).round(4)}"
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except Exception as e:
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stat = f"(no pixels: {e})"
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print(f" IMG '{i.name}' {i.size[0]}x{i.size[1]} packed={bool(i.packed_file)} "
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f"file='{i.filepath}' {stat}")
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for ms in ob.material_slots:
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mat = ms.material
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if not mat or not mat.node_tree:
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continue
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print(f" MAT '{mat.name}':")
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bsdf = next((n for n in mat.node_tree.nodes if n.type == 'BSDF_PRINCIPLED'), None)
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for n in mat.node_tree.nodes:
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if n.type == 'TEX_IMAGE':
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tgt = []
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for o in n.outputs:
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for lk in o.links:
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tgt.append(f"{lk.to_node.name}.{lk.to_socket.name}")
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print(f" TEX_IMAGE node '{n.name}' image='{n.image.name if n.image else None}'"
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f" -> {tgt if tgt else 'UNCONNECTED'}")
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if bsdf:
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for sock in ("Base Color", "Normal", "Roughness", "Metallic"):
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if sock in bsdf.inputs:
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lk = bsdf.inputs[sock].links
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src = lk[0].from_node.name if lk else "(unlinked)"
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if lk and lk[0].from_node.type == 'TEX_IMAGE':
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src += f" image='{lk[0].from_node.image.name if lk[0].from_node.image else None}'"
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print(f" BSDF.{sock} <- {src}")
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print("IMAGES_DONE")
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