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+# Quick Reference: RR3 Asset Extraction
+
+## When Assets Arrive From Discord
+
+### Step 1: Extract .z Files (Linux/Unix)
+```bash
+cd RR3CommunityServer/Tools
+chmod +x batch_extract_z_assets.sh
+./batch_extract_z_assets.sh /path/to/discord/assets /path/to/extracted
+```
+
+### Step 2: Extract .z Files (Windows)
+```powershell
+cd RR3CommunityServer\Tools
+.\extract_z_asset.ps1 -InputFile "C:\discord\assets\sprites_0.etc.dds.z"
+```
+
+### Step 3: List All Extracted Files
+```bash
+ls -lh /path/to/extracted/*.dds
+```
+
+### Step 4: Import to Server Database
+```bash
+cd RR3CommunityServer/RR3CommunityServer
+dotnet run
+
+# Use API to list assets
+curl http://localhost:5143/api/AssetManagement/list
+```
+
+## Common Commands
+
+### Extract Single File
+```bash
+# Linux/Unix
+./extract_z_asset.sh sprites_0.etc.dds.z
+
+# Windows
+.\extract_z_asset.ps1 -InputFile "sprites_0.etc.dds.z"
+```
+
+### Batch Extract Directory
+```bash
+# Linux/Unix
+./batch_extract_z_assets.sh /assets/directory
+
+# Windows (need to create batch version or use WSL)
+wsl bash batch_extract_z_assets.sh /mnt/c/assets/directory
+```
+
+### Pack Modified Asset
+```bash
+# Linux/Unix
+./pack_z_asset.sh modified_sprite.dds
+
+# Windows (use API)
+curl -X POST http://localhost:5143/api/AssetManagement/pack \
+  -H "Content-Type: application/json" \
+  -d '{"fileName": "modified_sprite.dds"}'
+```
+
+## File Locations
+
+```
+RR3CommunityServer/
+├── Tools/
+│   ├── extract_z_asset.sh          ← Use this for single files
+│   ├── batch_extract_z_assets.sh   ← Use this for directories
+│   ├── pack_z_asset.sh             ← Use this to create .z files
+│   └── extract_z_asset.ps1         ← Windows version
+├── Assets/                          ← Put .z files here
+│   ├── raw/                        ← Original .z files
+│   └── extracted/                  ← Extracted DDS textures
+└── ASSET_EXTRACTION_GUIDE.md       ← Full documentation
+```
+
+## Troubleshooting
+
+### Scripts won't run (Linux)
+```bash
+chmod +x *.sh
+```
+
+### Python not found
+```bash
+# Ubuntu/Debian
+sudo apt install python3
+
+# RedHat/CentOS
+sudo yum install python3
+```
+
+### "No ZLIB blocks found"
+File is corrupted or not a .z file. Check with:
+```bash
+hexdump -C file.z | head
+# Should see: 78 9c or 78 da
+```
+
+## Custom Content Workflow
+
+```
+1. Get PNG → 2. Convert to DDS → 3. Pack to .z → 4. Upload to server
+        ↓              ↓                ↓               ↓
+    GIMP/PS    AMD Compressor    pack_z_asset.sh    API POST
+```
+
+## Important Notes
+
+- **Backup originals** before modifying
+- **.z files** are ZLIB compressed (not ZIP!)
+- **DDS format**: ETC2_RGBA (Android), BC3 (PC)
+- **File size**: Assets can be 1-100 MB each
+- **Server path**: Configure `AssetBasePath` in appsettings.json
+
+## Quick Test
+
+```bash
+# Download test file (if available)
+wget https://example.com/test_sprite.z
+
+# Extract
+./extract_z_asset.sh test_sprite.z
+
+# Verify it's DDS
+file test_sprite.dds
+# Output should be: DDS image data, ...
+
+# Repack
+./pack_z_asset.sh test_sprite.dds
+
+# Compare sizes
+ls -lh test_sprite.*
+```
+
+## API Endpoints (Server Running)
+
+```bash
+# List all assets
+curl http://localhost:5143/api/AssetManagement/list
+
+# Extract via API
+curl -X POST http://localhost:5143/api/AssetManagement/extract \
+  -H "Content-Type: application/json" \
+  -d '{"fileName": "sprites_0.etc.dds.z"}'
+
+# Batch extract via API
+curl -X POST http://localhost:5143/api/AssetManagement/batch-extract \
+  -H "Content-Type: application/json" \
+  -d '{"inputDirectory": "raw_assets"}'
+```
+
+## When You're Drunk 🍺
+
+```bash
+# Just run this and everything will be extracted:
+cd RR3CommunityServer/Tools
+chmod +x batch_extract_z_assets.sh
+./batch_extract_z_assets.sh /path/where/discord/gave/you/files
+
+# Done! Check the "extracted" folder.
+```
+
+---
+
+**Need help?** Check `ASSET_EXTRACTION_GUIDE.md` for complete documentation.