Files
ProjectStructure_HOME/compress_blend_files.bat
2025-09-17 13:22:51 -06:00

153 lines
4.9 KiB
Batchfile

@echo off
setlocal enabledelayedexpansion
echo Starting Blender file compression...
REM Check if files were dragged onto the batch file
if "%~1"=="" (
echo.
echo Usage: Drag .blend files onto this batch file to compress them.
echo Output will be saved to the \output folder.
echo.
pause
exit /b 1
)
REM Create output directory if it doesn't exist
if not exist "output" mkdir "output"
REM Initialize counters and tracking
set "processed=0"
set "crashed=0"
set "skipped=0"
set "deleted_similar=0"
set "threshold_percent=10"
REM Create a temporary Python script for compression
set "TEMP_SCRIPT=compress_blend_temp.py"
echo Creating Python script: !TEMP_SCRIPT!
(
echo import bpy
echo import os
echo import sys
echo.
echo # Enable compression globally
echo bpy.context.preferences.filepaths.save_version = 0
echo bpy.context.preferences.filepaths.use_file_compression = True
echo.
echo # Create output directory if it doesn't exist
echo if not os.path.exists^("output"^):
echo os.makedirs^("output"^)
echo.
echo # Get command line arguments ^(the dragged files^)
echo blend_files = sys.argv[sys.argv.index^("--"^) + 1:] if "--" in sys.argv else []
echo.
echo print^("Found " + str^(len^(blend_files^)^) + " .blend files to compress"^)
echo.
echo for blend_file in blend_files:
echo if blend_file.lower^(^).endswith^(".blend"^):
echo try:
echo # Create output path in output folder
echo filename = os.path.basename^(blend_file^)
echo output_file = os.path.join^("output", filename^)
echo # Check if output file already exists
echo if os.path.exists^(output_file^):
echo print^("SKIP_EXISTING:" + blend_file^)
echo continue
echo print^("PROCESSING:" + blend_file^)
echo # Load the blend file
echo bpy.ops.wm.open_mainfile^(filepath=blend_file^)
echo # Save with compression to output folder
echo bpy.ops.wm.save_mainfile^(filepath=output_file, compress=True^)
echo print^("SUCCESS:" + blend_file + ":" + output_file^)
echo except Exception as e:
echo print^("CRASH:" + blend_file + ":" + str^(e^)^)
echo else:
echo print^("SKIP_NOT_BLEND:" + blend_file^)
echo.
echo print^("COMPRESSION_COMPLETE"^)
echo bpy.ops.wm.quit_blender^(^)
) > "!TEMP_SCRIPT!"
REM Check if script was created successfully
if exist "!TEMP_SCRIPT!" (
echo Script created successfully: !TEMP_SCRIPT!
) else (
echo ERROR: Failed to create script file!
pause
exit /b 1
)
REM Run Blender to process the dragged files
echo Processing dragged .blend files...
echo Using script: !TEMP_SCRIPT!
del /f /q "blender_output.txt" 2>nul
blender --background --factory-startup --python "!TEMP_SCRIPT!" -- %* 2^>^&1 | powershell -NoProfile -Command "$input | Tee-Object -FilePath 'blender_output.txt'"
REM Clean up temporary script
echo Cleaning up temporary script...
del "!TEMP_SCRIPT!" 2>nul
REM Parse output and generate report
echo.
echo ========================================
echo COMPRESSION REPORT
echo ========================================
echo.
REM Count processed files and get file info
for /f "tokens=1,2,3 delims=:" %%a in (blender_output.txt) do (
if "%%a"=="SUCCESS" (
set /a processed+=1
set "original_file=%%b"
set "compressed_file=%%c"
REM Get file sizes
for %%f in ("!original_file!") do set "original_size=%%~zf"
for %%f in ("!compressed_file!") do set "compressed_size=%%~zf"
echo [!processed!] !original_file!
echo Original: !original_size! bytes
echo Compressed: !compressed_size! bytes
set /a "savings=!original_size! - !compressed_size!"
if !original_size! gtr 0 (set /a percent=(savings*100)/original_size) else (set percent=0)
echo Savings: !savings! bytes
echo Reduction: !percent!%%
if !percent! lss !threshold_percent! (
del "!compressed_file!" 2>nul
set /a deleted_similar+=1
echo Deleted: too similar to original
)
echo.
) else if "%%a"=="CRASH" (
set /a crashed+=1
echo [!crashed!] CRASHED: %%b
echo Error: %%c
echo.
) else if "%%a"=="SKIP_EXISTING" (
set /a skipped+=1
echo [!skipped!] SKIPPED ^(already exists^): %%b
echo.
) else if "%%a"=="SKIP_NOT_BLEND" (
set /a skipped+=1
echo [!skipped!] SKIPPED ^(not .blend^): %%b
echo.
)
)
REM Clean up output file
del /f /q "blender_output.txt" 2>nul
echo ========================================
echo SUMMARY
echo ========================================
echo Processed: !processed! files
echo Crashed: !crashed! files
echo Skipped: !skipped! files
echo Deleted ^(too similar^): !deleted_similar! files
echo Total: %* files
echo ========================================
echo.
echo Done!
pause