Thunderhead 1.0.0

Initial release for Minecraft 1.21.1.

Lightning

• Huge procedurally generated lightning channels
• Dynamic branching with tapered trunks, forks and fine offshoots
• Multi-stroke flashes that revisit the channel
• Sky-spanning cloud branches and distant storm-front lightning
• Cold-white core with layered blue/violet glow

Impact effects

• Ground shockwaves and bright impact bursts
• Sparks, micro-arcs, debris, dust, smoke, steam, ash and embers
• Water-specific spray, mist and surface ripples
• Electrical discharge effects on moving nearby entities
• Direct-hit ash imprints

Atmosphere and audio

• Transient impact illumination and extended sky flashes
• Configurable screen flashes and camera pressure impulses
• Custom close cracks, heavy booms, distant rumbles and rolling thunder
• Distance-based thunder delay
• Rare ball-lightning events when installed on the server

Performance and accessibility

• Low, Medium, High and Ultra quality presets
• Distance-based LOD, particle caps and concurrent-effect limits
• Reduced-flashing mode
• Independent screen-flash and camera-movement controls
• Respects Minecraft's Hide Lightning Flashes option

Compatibility

• Fabric 1.21.1
• NeoForge 1.21.1
• Java 21
• No external shader pack required
• Defensive fallback under detected third-party rendering pipelines

Installation model

• Client installation provides the complete visual and audio overhaul on any server.
• Installing on both client and server also enables configurable near-miss damage and ball lightning.