Catto's Clicker

This update does NOT change normal save files:

• Positive gold values remain unchanged
• Buildings and upgrades are preserved
• Prestige levels remain intact
• ONLY negative (overflowed) values are repaired

Critical Bug Fixed

Integer overflow in the Prestige system

• Error: integer overflow attempting to store 3625433157
• Cause: WoW Lua 5.1 only supports integers up to 2,147,483,647 (2^31-1)
• Impact: Gold values had already overflowed into negative ranges (e.g. -9223372036854775808)

New Safeguards Implemented

1. Added SafeAddGold() function

• Prevents integer overflows when adding gold
• Caps gold at safe integer limits (max 2,147,483,647)
• Modifies ONLY negative values; positive values are never changed

2. Secured Prestige point calculation

• Maximum of 1,000,000 prestige points per prestige
• Overflow-safe calculations
• String formatting now uses %.0f instead of %d

3. One-time repair of corrupted data

• FixCorruptedData() runs only once after the update
• Checks ONLY for negative values (clear indicator of overflow)
• Positive values are NOT modified
• Uses the overflowFixApplied flag to prevent repeated execution

4. All gold operations secured

• OnGoldClick() now uses SafeAddGold()
• GPS timer uses SafeAddGold()
• Offline progress uses SafeAddGold()

Modified Files (2026-01-15)

1. CattoClicker.lua

• New function: SafeAddGold() — overflow-safe gold addition (affects only negative values)
• New function: FixCorruptedData() — one-time repair after update
• All gold additions now routed through SafeAddGold()

2. modules/Progression.lua

• CalculatePrestigePoints() — overflow protection using MAX_SAFE_INT
• PerformPrestige() — safe string formatting using %.0f

How the Update Works

For players with normal values (99% of players)

• NO changes to existing save data
• Added protection against future overflows

For players affected by overflow (negative values)

• Gold is restored to the maximum safe value (2,147,483,647)
• Prestige system functions correctly again
• Progress is preserved and secured