Added cvar to disable explosion entirely on infect.

cstrike/cfg/sourcemod/zombiereloaded/zombiereloaded.cfg

@@ -233,15 +233,19 @@ zr_infect_weapons_drop "1"
 
 // Effects
 
-// Spawn a fireball effect around player on infection.
+Disabling this will disable the fireball, smoke cloud, and sparks in a more efficient way.
+// Default: "1"
+zr_infect_explosion "1"
+
+// Spawn a fireball effect around player on infection. [Dependency: zr_infect_explosion]
 // Default: "1"
 zr_infect_fireball "1"
 
-// Spawn a smoke cloud effect around player on infection.
+// Spawn a smoke cloud effect around player on infection. [Dependency: zr_infect_explosion]
 // Default: "1"
 zr_infect_smoke "1"
 
-// Emit sparks from player on infection.
+// Emit sparks from player on infection. [Dependency: zr_infect_explosion]
 // Default: "1"
 zr_infect_sparks "1"