HEV Suit Mark IV – Half-Life Inspired Extra Item (Zombie Plague)

What happens when you buy the HEV Suit?

1) Instant Visual & Audio Activation :

• HEV Logon: Plays the iconic fvox/hev_logon.wav sound.
  
  
• Screen Effect: Orange screen fade matching the classic Half-Life HEV style.
  
  
• Suit Animation: For ~3 seconds your viewmodel switches to v_hev.mdl to play the HEV startup animation before returning to your weapon.
  
  
• Player Model: Your character model changes to the HEV Suit so other players can clearly see you are armored.
  
  

2) Stats & Custom HUD :

• Armor: Instantly receive 250 armor (with helmet).
  
  
• Health Bonus: Gain +50 HP on activation.
  
  
• HEV HUD: An orange HUD appears showing:
  
  
  • Suit Power (starts at 100% and regenerates over time)
    
    
  • Current Health
    
    
  • Current Armor
    
    

3)  Combat Mechanics (Balanced Gameplay) :

• Damage Reduction: You take 20% less damage from all sources.
  
  
• Morphine Auto-Heal (once per round):
  
  
  • Triggers when HP drops below 40.
    
    
  • Plays fvox/morphine_shot.wav
    
    
  • Blue screen flash
    
    
  • Instantly restores health to 250 HP
    
    
• Auto Armor Restore:
  
  
  • Activates when armor drops below 40.
    
    
  • Plays fvox/power_restored.wav
    
    
  • Yellow screen flash
    
    
  • Restores armor to 250
    
    

4) Mobility – Long Jump :

• How to use: While on the ground press Duck + Jump while moving forward.
  
  
• Effect: Launches you forward with strong velocity (perfect for escaping zombies).
  
  
• Cost: Consumes 30% Suit Power per jump.
  
  
• Regeneration: Suit Power regenerates automatically over time.
  
  

5) HEV Weapon Viewmodels :

• All weapons use HEV-style hands inspired by Half-Life: Opposing Force.
  
  
• Includes custom viewmodels for most CS 1.6 weapons.
  
  
• Knife is replaced with a Pipe Wrench:
  
  
  • Custom models
    
    
  • Custom deploy and hit sounds for full immersion
    
    

6) If You Get Infected (HEV Zombie) :

• Warning Audio: HEV suit announces infection (“blood toxins detected”).
  
  
• Transformation: You become a HEV Zombie instead of a normal zombie.
  
  
• Gameplay Change:
  
  
  • Armor long jump and damage reduction are removed.
    
    
  • The HEV zombie model and visuals remain until the round ends.
    
    

7) Death :

• If you die while wearing the HEV Suit the server plays the classic Half-Life flatline sound for everyone.
  
  

- Additional Notes : 

• Human-only extra item
  
  
• Can be purchased once per round
  
  
• Fully resets on death infection disconnect or new round
  
  
• No custom natives required
  
  
• Uses standard AMX Mod X CStrike and Zombie Plague functions
  
  

- Inspired By :

• Half-Life HEV Suit
  
  
• Half-Life: Opposing Force
  
  
• Classic Valve sound design and visual feedback
  
  

- Credits :

• Author: sp_half / SAAD~Rubio
  
  
• Co-Author: LyesMC
  
  
• Plugin: HEV Suit Mark IV
  
  
• Year: 2026
  
  
• Special Thanks: Thanks to LyesMC for major contributions improvements and fixes that helped shape this project