From 0f19ab08cf8a7966196fe7d2b45b0e89e72e64ef Mon Sep 17 00:00:00 2001
From: jenz <unlozehq@gmail.com>
Date: Mon, 9 Jan 2023 22:33:51 +0100
Subject: [PATCH] added check to prevent from teleporting player if they would
 get stuck

---
 zombie_hunting_respawn/zh_respawn_stop.sp | 35 +++++++++++++++++++++--
 1 file changed, 33 insertions(+), 2 deletions(-)

diff --git a/zombie_hunting_respawn/zh_respawn_stop.sp b/zombie_hunting_respawn/zh_respawn_stop.sp
index 3b537a39..53f73f48 100644
--- a/zombie_hunting_respawn/zh_respawn_stop.sp
+++ b/zombie_hunting_respawn/zh_respawn_stop.sp
@@ -88,10 +88,19 @@ public Action ZR_OnClientRespawn(&client, &ZR_RespawnCondition:condition)
     int total_nearest = -1;
     for (int i = 1; i <= MaxClients; i++)
     {
+        //if player would get stuck being teleported dont teleport them to this player
+        if (!IsValidClient(i) || !IsPlayerAlive(i)) 
+        {
+            continue;
+        }
+        if (IsPlayerStuck(i) != -1)
+        {
+            continue;
+        }
         float nearestdistance = -1.0;
         int nearest = -1;
         for (int j = 1; j <= MaxClients; j++)
-        if (IsValidClient(i) && IsPlayerAlive(i) && IsValidClient(j) && IsPlayerAlive(j) && GetClientTeam(i) != GetClientTeam(j) && GetClientTeam(i) == 3)
+        if (IsValidClient(j) && IsPlayerAlive(j) && GetClientTeam(i) != GetClientTeam(j) && GetClientTeam(i) == 3)
         {
             float pos[3];
             GetEntPropVector(i, Prop_Send, "m_vecOrigin", pos);
@@ -102,7 +111,7 @@ public Action ZR_OnClientRespawn(&client, &ZR_RespawnCondition:condition)
                 nearestdistance = dist_target;
             }
         }
-        //the closest enemy to this player is further away than previous player
+        //the closest enemy to this player is further away than previous players closest enemy
         if (nearestdistance > total_furthest_distance)
         {
             total_furthest_distance = nearestdistance;
@@ -117,6 +126,28 @@ public Action ZR_OnClientRespawn(&client, &ZR_RespawnCondition:condition)
     return Plugin_Continue;
 }
 
+stock int IsPlayerStuck(int client) {
+    float vecMin[3]; 
+    float vecMax[3]; 
+    float vecOrigin[3];
+    
+    GetClientMins(client, vecMin);
+    GetClientMaxs(client, vecMax);
+    vecMax[2] = 63.0;
+    vecMin[2] += 1.0;
+    GetClientAbsOrigin(client, vecOrigin);
+    
+    TR_TraceHullFilter(vecOrigin, vecOrigin, vecMin, vecMax, MASK_PLAYERSOLID, TraceRayDontHitPlayerAndWorld);
+    return TR_GetEntityIndex();
+}
+
+public bool TraceRayDontHitPlayerAndWorld(int entityhit, int mask) {
+    return entityhit>MaxClients
+}
+public bool TraceRayHitOnlyEnt(int entityhit, int mask, any data) {
+    return entityhit==data;
+}
+
 public void OnClientPostAdminCheck(int client)
 {
     client_target[client] = 0;