Fix issues with audio system again

+ Fixed multiple bugs with syncing music and playing it.

scripting/include/fartsy/ass_entityhooks.inc

@@ -0,0 +1,46 @@
+enum struct HOOKS {
+  int ent;
+  char output[64];
+  EntityOutput callback;
+}
+HOOKS g_HookedEntities[128];
+int g_HookedCount = 0;
+
+// Hooks an entity by its index
+void HookSingleEntity(int ent, const char[] output, EntityOutput callback)
+{
+    if (!IsValidEntity(ent) || g_HookedCount >= sizeof(g_HookedEntities)) return;
+    for (int i = 0; i < g_HookedCount; i++) if (g_HookedEntities[i].ent == ent && StrEqual(g_HookedEntities[i].output, output)) return; // Avoid duplicates (same ent + output)
+    HookSingleEntityOutput(ent, output, callback);
+    g_HookedEntities[g_HookedCount].ent = ent;
+    strcopy(g_HookedEntities[g_HookedCount].output, sizeof(g_HookedEntities[g_HookedCount].output), output);
+    g_HookedEntities[g_HookedCount].callback = callback;
+    PrintToServer("Hooking entity %i with output %s", ent, g_HookedEntities[g_HookedCount].output);
+    g_HookedCount++;
+}
+
+public void OnEntityDestroyed(int ent){
+    for (int i = g_HookedCount - 1; i >= 0; i--)
+    {
+        if (g_HookedEntities[i].ent == ent)
+        {
+            UnhookSingleEntityOutput(ent, g_HookedEntities[i].output, g_HookedEntities[i].callback);
+
+            // Remove entry by shifting left
+            for (int j = i; j < g_HookedCount - 1; j++)
+            {
+                g_HookedEntities[j] = g_HookedEntities[j + 1];
+            }
+            g_HookedCount--;
+        }
+    }
+}
+// Hook necessary entities for this plugin's operation
+void HookAllEntities() {
+    //PrintToServer("HOOKING ALL THE ENTITIES.");
+    //HookSingleEntity(FindEntityByTargetname("Operator", "point_servercommand"), "Command", ass_relay_user1);
+}
+
+public void ass_relay_user1(const char[] output, int caller, int activator, float delay){
+    //PrintToServer("Got output %s", output);
+}