Handmade-Guns Overdrive

HMG-Overdrive Update Rendering & Performance

• Added VBO model rendering for OBJ-based HMG assets.
• Significantly reduces rendering overhead by moving model geometry to GPU-side buffers.
• Added automatic fallback to the legacy renderer when VBO rendering is unavailable or disabled.
• Added client-side VBO caching system to prevent unnecessary model recompilation.
• Improved rendering performance for guns, attachments, and other OBJ-based assets.
• Added automatic cleanup of cached model buffers during resource reloads.
• Preserved compatibility with existing animations, attachments, first-person rendering, MQO models, and Techne models.
• Added configuration option to enable or disable VBO rendering.