"""Grouper: one Workbench close-up of the built file (read-only), for looking at a place:
    blender.exe -b Tender_Grouper.blend --python build/gr_shot.py -- out=<png> loc=x,y,z tgt=x,y,z [lens=35] [hide=<name prefix>]
        [cull] [wire] [nocn]   (backface culling, wireframe over the shading, without the custom normals)"""
import bpy, os, sys, math
from mathutils import Vector
args = sys.argv[sys.argv.index("--") + 1:]
hide = [a[5:] for a in args if a.startswith("hide=")]
cull = "cull" in args
out = [a[4:] for a in args if a.startswith("out=")][0]
loc = Vector([float(v) for v in [a[4:] for a in args if a.startswith("loc=")][0].split(",")])
tgt = Vector([float(v) for v in [a[4:] for a in args if a.startswith("tgt=")][0].split(",")])
lens = float(([a[5:] for a in args if a.startswith("lens=")] or ["35"])[0])
sc = bpy.context.scene
for o in bpy.data.objects:
    if o.name.startswith("UCX_") or any(o.name.startswith(h) for h in hide):
        o.hide_render = True
PREV = {"M_Grouper_Gunmetal": (0.56, 0.58, 0.61), "M_Grouper_Band": (0.40, 0.42, 0.45), "M_Grouper_FrameDark": (0.16, 0.17, 0.18),
        "M_Grouper_Strip": (0.15, 0.85, 1.0), "M_Grouper_Acrylic": (0.70, 0.86, 0.95), "M_Grouper_LampWhite": (1.0, 1.0, 0.92),
        "M_Grouper_ScannerLens": (0.35, 0.65, 1.0), "M_Grouper_DuctGlow": (0.10, 0.55, 0.65), "M_Grouper_Recess": (0.06, 0.06, 0.06),
        "M_Grouper_Steel": (0.7, 0.72, 0.75), "M_Grouper_Cabin": (0.5, 0.3, 0.3), "M_Grouper_CabinDark": (0.3, 0.2, 0.2),
        "M_Grouper_Seat": (0.5, 0.45, 0.2), "M_Grouper_Screen": (0.1, 0.9, 0.9), "M_Grouper_CabinFloor": (0.4, 0.4, 0.2)}
for m in bpy.data.materials:
    if m.name in PREV:
        m.diffuse_color = PREV[m.name] + (1.0,)
if "nocn" in args:
    import bmesh as _bm
    h = bpy.data.objects["SM_Grouper_Hull"]
    with bpy.context.temp_override(object=h, active_object=h, selected_editable_objects=[h]):
        bpy.ops.mesh.customdata_custom_splitnormals_clear()
sc.render.engine = 'BLENDER_WORKBENCH'
sh = sc.display.shading
sh.light = 'STUDIO'; sh.color_type = 'MATERIAL'; sh.show_cavity = False; sh.show_backface_culling = cull
sh.show_object_outline = True
sc.render.resolution_x, sc.render.resolution_y = 1400, 860
cam = bpy.data.objects.new("_c", bpy.data.cameras.new("_c")); sc.collection.objects.link(cam); sc.camera = cam
cam.location = loc; cam.rotation_euler = (tgt - loc).normalized().to_track_quat('-Z', 'Y').to_euler(); cam.data.lens = lens
cam.data.clip_start = 0.02
if "wire" in args:
    wm = bpy.data.materials.new("_wink"); wm.diffuse_color = (0.02, 0.02, 0.03, 1)
    for o in list(bpy.data.objects):
        if o.type == 'MESH' and not o.hide_render and not o.name.startswith("UCX_"):
            t = o.copy(); t.data = o.data.copy(); t.name = "_w_" + o.name
            t.data.materials.clear(); t.data.materials.append(wm)
            t.parent = None; t.matrix_world = o.matrix_world.copy()
            sc.collection.objects.link(t)
            md = t.modifiers.new("w", 'WIREFRAME'); md.thickness = 0.002; md.use_relative_offset = False
sc.render.filepath = out
bpy.ops.render.render(write_still=True)
print("SHOT OK")