Sha
b66a994c3b
turned of center X in settings added example file for how it would be used for auto rigging
101 lines
3.5 KiB
Python
101 lines
3.5 KiB
Python
import os
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import json
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import subprocess
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import tempfile
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CONFIG_PATH = os.path.join(os.path.dirname(__file__), "blender_tools_config.json")
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WRAPPER_PATH = os.path.join(os.path.dirname(__file__), "wrapper.py")
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# Load configuration
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def load_config():
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if os.path.exists(CONFIG_PATH):
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with open(CONFIG_PATH, "r") as f:
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return json.load(f)
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else:
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return {"blender_path": ""}
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class BlenderGenericNode:
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@classmethod
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def INPUT_TYPES(cls):
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return {
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"required": {
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"blend_file": ("STRING", {"multiline": False}),
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"input_model": ("STRING", {"multiline": False}),
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"config_file": ("STRING", {"multiline": False}),
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"seed": ("INT", {"default": 0, "min": 0, "max": 2**32-1, "step": 1, "widget": "seed"}),
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}
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}
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RETURN_TYPES = ("STRING", "DICT")
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RETURN_NAMES = ("fbx_path", "output_json")
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FUNCTION = "run_blender_task"
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CATEGORY = "Blender"
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def run_blender_task(self, blend_file, input_model, config_file, seed):
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# ------------------------------------------
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# Load global config (contains Blender path)
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# ------------------------------------------
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cfg = load_config()
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blender_exe = cfg.get("blender_path", "")
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if not blender_exe or not os.path.exists(blender_exe):
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return ("Blender path not set or invalid in blender_tools_config.json",)
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# Create temporary output file
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tmp_output = tempfile.NamedTemporaryFile(delete=False, suffix=".json")
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tmp_output_path = tmp_output.name
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tmp_output.close()
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# ------------------------------------------
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# Resolve relative paths to absolute paths
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# ------------------------------------------
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node_dir = os.path.dirname(__file__)
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def resolve_path(path):
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"""Return an absolute path; if relative, make it relative to node_dir."""
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if not path:
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return ""
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if os.path.isabs(path):
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return os.path.normpath(path)
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return os.path.normpath(os.path.join(node_dir, path))
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resolved_blend = resolve_path(blend_file)
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resolved_config = resolve_path(config_file)
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# Log resolved paths (for debugging visibility)
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print(f"[BlenderGenericNode] blend_file resolved to: {resolved_blend}")
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print(f"[BlenderGenericNode] config_file resolved to: {resolved_config}")
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# ------------------------------------------
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# Prepare environment for Blender subprocess
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# ------------------------------------------
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env = os.environ.copy()
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env["BLEND_FILE"] = resolved_blend
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env["INPUT_MODEL"] = input_model
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env["CONFIG_FILE"] = resolved_config
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env["OUTPUT_JSON"] = tmp_output_path
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cmd = [blender_exe, "--background", "--python", WRAPPER_PATH]
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result = subprocess.run(cmd, env=env, capture_output=True, text=True)
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print(result.stdout)
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output_data = {}
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fbx_path = "No FBX Exported or not set"
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if os.path.exists(tmp_output_path):
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try:
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with open(tmp_output_path, "r") as f:
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output_data = json.load(f)
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fbx_path = output_data.get("fbx_export", "")
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except Exception as e:
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print(f"Failed to parse output JSON: {e}")
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return (fbx_path, output_data)
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NODE_CLASS_MAPPINGS = {
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"BlenderGenericNode": BlenderGenericNode
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}
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NODE_DISPLAY_NAME_MAPPINGS = {
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"BlenderGenericNode": "Blender Generic Runner"
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} |