🛡️ Instant-Shield-Break
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🔍 Auto-breaks enemy shields in nethpot PvP by swapping to an axe at the exact moment of attack, then reverting instantly — all within a single tick. No GUI, no keybinds, always on.
Centers around fantasy elements such as spells, rituals, and magical energies, often involving personal empowerment and magical automation.
Features machines that process raw materials or automation processes.
Includes quality of life improvements and small tweaks to enhance and customize gameplay.
Fabric is a mod loader for versions 1.14+ of Minecraft, particularly popular for client side and optimization mods.
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Instant-Shield-Break v1.0
NETHPOT PVP · FABRIC MOD · CLIENT-SIDE
Auto-breaks enemy shields in nethpot PvP by swapping to an axe at the exact moment of attack, then reverting instantly — all within a single tick. No GUI, no keybinds, always on.
Tags: Fabric API · Java · MC 1.19–1.21 · 1-tick swap · Always active · Zero flicker
⚙️ How the Swap Works
A five-step process that occurs within a single tick:
- Attack fired — player hits enemy
- Shield check —
isUsingItem()detects if the target is raising a shield - Swap to axe —
@Inject HEADswaps the held item to an axe - Axe hits — shield is disabled
- Revert slot —
@Inject RETURNswaps back to the original item instantly
📦 Module Breakdown
ShieldDetector (util/ShieldDetector.java)
Checks if the target player is actively raising a shield via isUsingItem() + item identity
check. Catches the intent before the 5-tick raise delay, ensuring no missed hits.
InventoryScanner (util/InventoryScanner.java)
Scans hotbar slots 0–8 first, then main inventory slots 9–35. Maintains a cached
last-used axe slot for instant lookup on repeated attacks. Supports any modded axe
extending AxeItem.
SwapHandler (handler/SwapHandler.java)
Orchestrates the full swap sequence. Guards against spam with a 150ms cooldown. Sends a
vanilla UpdateSelectedSlotC2SPacket for server sync. Reverts in the same call-stack frame
— zero extra ticks.
Attack Mixin (mixin/ClientPlayerInteractionManagerMixin.java)
Hooks into attackEntity() at HEAD (pre-packet) and RETURN (post-packet). Only
intercepts PlayerEntity targets — mob attacks pass through unmodified.
Config (config/ShieldBreakConfig.java)
GSON-backed JSON config at config/instant-shield-break.json. Supports enabled toggle,
cooldownMs tuning, and debugLogging for verbose output. Auto-creates defaults on first
launch.
📊 At a Glance
| Stat | Value |
|---|---|
| Tick swap window | 1 |
| Spam cooldown | 150ms |
| Visible flicker frames | 0 |
| Inventory slots scanned | 35 |
| Mixin inject points | 2 |
| Source modules | 5 |
by Shubham96 · MIT License · Fabric 1.19–1.21 · instant-shield-break v1.0
Text Description (Accessibility Transcription)
Instant-Shield-Break v1.0
NETHPOT PVP · FABRIC MOD · CLIENT-SIDE
Auto-breaks enemy shields in nethpot PvP by swapping to an axe at the exact moment of attack, then reverting instantly — all within a single tick. No GUI, no keybinds, always on.
Tags: Fabric API · Java · MC 1.19–1.21 · 1-tick swap · Always active · Zero flicker
⚙️ How the Swap Works
A five-step process that occurs within a single tick:
- Attack fired — player hits enemy
- Shield check —
isUsingItem()detects if the target is raising a shield - Swap to axe —
@Inject HEADswaps the held item to an axe - Axe hits — shield is disabled
- Revert slot —
@Inject RETURNswaps back to the original item instantly
📦 Module Breakdown
ShieldDetector (util/ShieldDetector.java)
Checks if the target player is actively raising a shield via isUsingItem() + item identity
check. Catches the intent before the 5-tick raise delay, ensuring no missed hits.
InventoryScanner (util/InventoryScanner.java)
Scans hotbar slots 0–8 first, then main inventory slots 9–35. Maintains a cached
last-used axe slot for instant lookup on repeated attacks. Supports any modded axe
extending AxeItem.
SwapHandler (handler/SwapHandler.java)
Orchestrates the full swap sequence. Guards against spam with a 150ms cooldown. Sends a
vanilla UpdateSelectedSlotC2SPacket for server sync. Reverts in the same call-stack frame
— zero extra ticks.
Attack Mixin (mixin/ClientPlayerInteractionManagerMixin.java)
Hooks into attackEntity() at HEAD (pre-packet) and RETURN (post-packet). Only
intercepts PlayerEntity targets — mob attacks pass through unmodified.
Config (config/ShieldBreakConfig.java)
GSON-backed JSON config at config/instant-shield-break.json. Supports enabled toggle,
cooldownMs tuning, and debugLogging for verbose output. Auto-creates defaults on first
launch.
📊 At a Glance
| Stat | Value |
|---|---|
| Tick swap window | 1 |
| Spam cooldown | 150ms |
| Visible flicker frames | 0 |
| Inventory slots scanned | 35 |
| Mixin inject points | 2 |
| Source modules | 5 |
by Shubham96 · MIT License · Fabric 1.19–1.21 · instant-shield-break v1.0
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