import bpy, sys, importlib.util, mathutils
spec=importlib.util.spec_from_file_location("srg", r"A:\eco\stylized_rock_generator\stylized_rock_generator.py")
r=importlib.util.module_from_spec(spec); sys.modules["srg"]=r; spec.loader.exec_module(r)
try: r.unregister()
except Exception: pass
r.register()
fails=[]
s=bpy.context.scene.rock_gen_settings
s.batch_count=1; s.subsurf_levels=4; s.use_modal=False
s.shading_mode='FLAT'; s.bake_vertex_cavity=True; s.set_origin_bottom=True
s.randomize_transform=False        # Proportionen isoliert messen
mat=bpy.data.materials.new("P"); mat.use_nodes=True
nt=mat.node_tree; nt.nodes.clear()
o_=nt.nodes.new("ShaderNodeOutputMaterial"); b=nt.nodes.new("ShaderNodeBsdfPrincipled")
c=nt.nodes.new("ShaderNodeVertexColor"); c.layer_name="Cavity"
sep=nt.nodes.new("ShaderNodeSeparateColor"); nt.links.new(c.outputs["Color"], sep.inputs[0])
t=nt.nodes.new("ShaderNodeRGB"); t.outputs[0].default_value=(0.66,0.64,0.60,1)
mx=nt.nodes.new("ShaderNodeMixRGB"); mx.blend_type='MULTIPLY'; mx.inputs["Fac"].default_value=1.0
nt.links.new(t.outputs[0],mx.inputs["Color1"]); nt.links.new(sep.outputs[0],mx.inputs["Color2"])
nt.links.new(mx.outputs[0],b.inputs["Base Color"]); b.inputs["Roughness"].default_value=0.85
nt.links.new(b.outputs[0],o_.inputs["Surface"])
VARS=[("Wuerfel",'CUBE',None),
      ("Platte",'BOX',(2.0,1.5,0.35)),
      ("Riegel",'BOX',(2.2,0.8,0.9)),
      ("Ico",'ICOSPHERE',None)]
print("%-9s %-6s %s" % ("Variante","Form","Abmessungen X/Y/Z (m)"))
keep=[]; x=0.0
for name,shape,prop in VARS:
    # FALLE: das hier loeschte frueher ALLE Objekte - auch die Kopien aus den
    # vorigen Durchlaeufen. Die waren beim Rendern tot ("StructRNA ... removed").
    kept = {k[0] for k in keep}
    for o in list(bpy.data.objects):
        if o not in kept: bpy.data.objects.remove(o,do_unlink=True)
    s.base_shape=shape; s.box_variation=0.0
    if prop: s.box_proportions=prop
    s.seed=7
    # Die behaltenen Kopien stehen weiter in der Szene - [0] wuerde eine davon
    # greifen statt des frisch erzeugten Steins. Deshalb ueber die Differenz.
    before=set(bpy.context.scene.objects)
    bpy.ops.object.generate_rocks_batch()
    ob=[o for o in bpy.context.scene.objects
        if o.type=='MESH' and o not in before][0]
    bb=ob.bound_box
    d=[max(v[i] for v in bb)-min(v[i] for v in bb) for i in range(3)]
    print("%-9s %-6s %.2f / %.2f / %.2f" % (name,shape,d[0],d[1],d[2]))
    if name=="Platte" and not (d[2] < d[0]*0.45): fails.append("platte_nicht_flach")
    if name=="Riegel" and not (d[0] > d[1]*1.5): fails.append("riegel_nicht_laenglich")
    cp=ob.copy(); cp.data=ob.data.copy()
    bpy.context.collection.objects.link(cp)   # sofort verlinken, nicht spaeter
    keep.append((cp,x))
    x+=2.4
for cp,px in keep:
    cp.location=(px,0,0)
    cp.data.materials.clear(); cp.data.materials.append(mat)
for o in list(bpy.context.scene.objects):
    if o.type=='MESH' and o not in [k[0] for k in keep]: bpy.data.objects.remove(o,do_unlink=True)
cam_d=bpy.data.cameras.new("C"); cam=bpy.data.objects.new("C",cam_d)
bpy.context.scene.collection.objects.link(cam); bpy.context.scene.camera=cam
cam.location=(3.6,-9.0,2.6)
d=mathutils.Vector((3.6,0,0.5))-cam.location
cam.rotation_euler=d.to_track_quat('-Z','Y').to_euler()
sun=bpy.data.objects.new("S", bpy.data.lights.new("S",'SUN'))
bpy.context.scene.collection.objects.link(sun); sun.rotation_euler=(0.9,0.2,0.7); sun.data.energy=3.5
sc=bpy.context.scene; sc.render.engine='CYCLES'; sc.cycles.samples=18
sc.render.resolution_x=1250; sc.render.resolution_y=470
sc.render.filepath=r"C:\Users\az319\AppData\Local\Temp\claude\A--eco-EcoGame--claude-worktrees-rock-generator-hardening-3d5f61\cf805d69-059c-4821-ac92-afae28022987\scratchpad\formen.png"
bpy.ops.render.render(write_still=True)
r.unregister()
print("ERGEBNIS:", "ALLE CHECKS OK" if not fails else "FEHLER: "+", ".join(fails))