[L4D2] Fix Tank HP (z_tank_health Enforcement)

[L4D2] Fix Tank HP is a lightweight SourceMod plugin for Left 4 Dead 2 that ensures the Tank always spawns with the correct health value defined by the z_tank_health ConVar.

This plugin fixes cases where the Tank may spawn with incorrect or outdated health by enforcing the ConVar value at spawn time, ensuring consistent and predictable behavior.

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Features

• Hooks into the player_spawn event to detect Tank spawns
• Caches the z_tank_health ConVar at plugin start
• Automatically updates the cached value when the ConVar changes
• Applies correct current and maximum health to Tanks on spawn
• Caps health at 65535 to prevent integer overflow
• Validates client index and zombie class before applying changes

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Technical Details

• Language: SourcePawn
• Dependencies:
  • <sourcemod>
  • <sdktools>
• Plugin file: sm_tankhpfix.sp
• Default cached health: 10000
• Core methods used:
  • SetEntityHealth
  • SetEntProp

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Installation

1. Compile sm_tankhpfix.sp using the SourceMod compiler
2. Place the compiled .smx file into:

   addons/sourcemod/plugins/

3. Restart the server or change the map to load the plugin

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Compatibility

• Game: Left 4 Dead 2
• Server: Dedicated or Listen Server
• SourceMod: 1.10+ recommended

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Author

PabloSan @lexicon06

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License

This project is released under the MIT License. You are free to use, modify, and redistribute it.