Bbtools-flver | To Sdm- //top\\

@echo off for %%f in (*.flver) do ( echo Converting %%f flver_editor.exe export %%f --format smd -o "%%~nf.smd" python flver_to_sdm.py "%%~nf.smd" "%%~nf.sdm" del "%%~nf.smd" ) echo Done. Place this script in the folder containing FLVER files, ensure flver_editor.exe (FLVER Editor CLI) and flver_to_sdm.py are in your PATH. While bbtools-flver to sdm- remains an elusive keyword, the methodology described here accomplishes the same goal: transforming FromSoftware’s proprietary FLVER models into a usable SDM format for modding, rendering, or engine integration. As the modding community continues to reverse-engineer Elden Ring and Armored Core 6, expect official tools like FLVER2SDM to emerge.

def read_smd_vertices(smd_file): vertices = [] bones = {} in_triangles = False with open(smd_file, 'r') as f: for line in f: if 'triangles' in line.lower(): in_triangles = True continue if in_triangles and line.strip() and not line.startswith('end'): parts = line.split() if len(parts) >= 10 and parts[0].isdigit(): # SMD line format: material idx posx posy posz normx normy normz u v link_count [bone_id weight ...] vx, vy, vz = map(float, parts[1:4]) nx, ny, nz = map(float, parts[4:7]) u, v = map(float, parts[7:9]) link_count = int(parts[9]) bone_weights = [] for i in range(link_count): bone_id = int(parts[10 + i 2]) weight = float(parts[11 + i 2]) bone_weights.append((bone_id, weight)) vertices.append( 'pos': (vx, vy, vz), 'normal': (nx, ny, nz), 'uv': (u, v), 'bones': bone_weights ) return vertices

Run: python flver_to_sdm.py model.smd model_converted.sdm Use a hex editor (HxD) to check the first 4 bytes: 53 44 4D 31 (ASCII “SDM1”). Then import into your target renderer or game engine. Part 4: Troubleshooting Common Issues | Problem | Likely Cause | Solution | |---------|--------------|----------| | bbtools-flver: command not found | Wrong tool name or missing binary | Use the FLVER Editor + Python pipeline above | | SDM output has no bone weights | SMD export didn’t include skeleton | In Noesis, tick “Export skin weights” | | Normals are wrong in engine | FLVER uses tangent space normals, not model space | Recalculate normals or convert via custom script | | FLVER version unsupported (e.g., FLVER4) | Outdated tools | Use WitchyBND for Elden Ring FLVERs | | SDM file too large | Unoptimized vertex count | Run FLVER through a decimation tool (Blender with CATS plugin) | Part 5: Advanced Workflows – Automating Batch Conversions To mimic bbtools-flver to sdm- as a batch tool, create a batch script (Windows .bat or Linux .sh ): Bbtools-flver To Sdm-

def write_sdm(vertices, output_file): with open(output_file, 'wb') as f: # Header: 'SDM1' magic + vertex count (uint32) f.write(b'SDM1') f.write(struct.pack('<I', len(vertices))) for v in vertices: # Position: 3 floats f.write(struct.pack('<fff', *v['pos'])) # Normal: 3 floats f.write(struct.pack('<fff', *v['normal'])) # UV: 2 floats f.write(struct.pack('<ff', *v['uv'])) # Bone influence count (1 byte) bone_count = len(v['bones']) f.write(struct.pack('B', bone_count)) # For each bone: boneID (unsigned short) + weight (float) for bone_id, weight in v['bones']: f.write(struct.pack('<Hf', bone_id, weight))

# flver_to_smd_to_sdm.py # Converts SMD (from FLVER) to custom SDM binary format import struct import sys @echo off for %%f in (*

| Tool | Purpose | Download Source | |------|---------|----------------| | (C# library) | Reading/writing FLVER natively | GitHub: tkiapril/SoulsFormats | | Yabber (or Yabberton) | Extract/repack FLVER from .bnd files | GitHub: JKAnderson/Yabber | | FLVER Editor (by Meowmaritus) | Export FLVER to OBJ/FBX and bone data | Nexus Mods / GitHub | | Custom Python script (flver_to_sdm.py) | Converts FLVER to target SDM | Provided below | | Noesis (with FromSoft plugins) | Preview and export to COLLADA/PSK | Rich Whitehouse’s website |

The keyword bbtools-flver to sdm- likely represents a specific command from a modding toolkit (perhaps a custom build of – a common name for Blender add-ons or binary tools for FromSoftware games). While no official "bbtools-flver" exists, the community has cobbled together scripts and executables that achieve this conversion. As the modding community continues to reverse-engineer Elden

if == ' main ': if len(sys.argv) != 3: print("Usage: python flver_to_sdm.py input.smd output.sdm") sys.exit(1) verts = read_smd_vertices(sys.argv[1]) write_sdm(verts, sys.argv[2]) print(f"Converted len(verts) vertices to sys.argv[2]")