Prevents Spitter acid damage if the player controlling the Spitter enters spectator mode or switches teams before dying

addons/sourcemod/scripting/l4d2_spitter_acid_blocker.sp

@@ -0,0 +1,39 @@
+#pragma semicolon 1
+#pragma newdecls required
+
+#include <sourcemod>
+#include <left4dhooks>
+
+#define L4D2_TEAM_INFECTED 3
+
+public Plugin myinfo =
+{
+    name        = "L4D2 - Spitter Acid Blocker",
+    author      = "Altair Sossai",
+    description = "Prevents Spitter acid damage if the player controlling the Spitter enters spectator mode or switches teams before dying",
+    version     = "1.0.0",
+    url         = "https://github.com/SirPlease/L4D2-Competitive-Rework"
+};
+
+public void OnPluginStart()
+{
+    HookEvent("player_team", PlayerTeam_Event, EventHookMode_Post);
+}
+
+void PlayerTeam_Event(Event event, const char[] name, bool dontBroadcast)
+{
+    int oldTeam = GetEventInt(event, "oldteam");
+    if (oldTeam != L4D2_TEAM_INFECTED)
+        return;
+
+    int client = GetClientOfUserId(GetEventInt(event, "userid"));
+    int entity = -1;
+
+    while((entity = FindEntityByClassname(entity, "insect_swarm")) != INVALID_ENT_REFERENCE)
+    {
+        if(GetEntPropEnt(entity, Prop_Data, "m_hOwnerEntity") != client)
+            continue;
+
+        AcceptEntityInput(entity, "Kill");
+    }
+}

cfg/generalfixes.cfg

@@ -69,6 +69,7 @@ sm plugins load fixes/l4d_fix_rotated_physblocker.smx
 sm plugins load fixes/firebulletsfix.smx
 sm plugins load fixes/l4d_fix_stagger_dir.smx
 sm plugins load fixes/l4d2_fix_rocket_pull.smx
+sm plugins load fixes/l4d2_spitter_acid_blocker.smx
 
 // Anti-Cheat.
 sm plugins load anticheat/l4d2_noghostcheat.smx