--- a/Indoor.cpp	Fri Dec 13 22:19:56 2013 +0600
+++ b/Indoor.cpp	Mon Dec 16 18:43:42 2013 +0600
@@ -7150,4 +7150,98 @@
     pParty->uFlags |= 0x200;
   if (uFaceEvent)
     EventProcessor(uFaceEvent, 0, 1);
+}
+
+//----- (00449A49) --------------------------------------------------------
+void Door_switch_animation(unsigned int uDoorID, int a2)
+{
+  int old_state; // eax@1
+  signed int door_id; // esi@2
+
+  if ( !pIndoor->pDoors )
+    return;
+  for ( door_id = 0; door_id < 200; ++door_id )
+  {
+    if ( pIndoor->pDoors[door_id].uDoorID == uDoorID )
+      break;
+  }
+  if ( door_id >= 200 )
+  {
+    Error("Unable to find Door ID: %i!", uDoorID);
+  }
+  old_state = pIndoor->pDoors[door_id].uState;
+  //old_state: 0 - в нижнем положении/закрыто
+  //           2 - в верхнем положении/открыто,
+  //a2: 1 - открыть
+  //    2 - опустить/поднять
+  if ( a2 == 2 )
+  {
+    if ( pIndoor->pDoors[door_id].uState == BLVDoor::Closing || pIndoor->pDoors[door_id].uState == BLVDoor::Opening )
+      return;
+    if ( pIndoor->pDoors[door_id].uState )
+    {
+      if ( pIndoor->pDoors[door_id].uState != BLVDoor::Closed && pIndoor->pDoors[door_id].uState != BLVDoor::Closing )
+      {
+        pIndoor->pDoors[door_id].uState = BLVDoor::Closing;
+        if ( old_state == BLVDoor::Open )
+        {
+          pIndoor->pDoors[door_id].uTimeSinceTriggered = 0;
+          return;
+        }
+        if ( pIndoor->pDoors[door_id].uTimeSinceTriggered != 15360 )
+        {
+          pIndoor->pDoors[door_id].uTimeSinceTriggered = (pIndoor->pDoors[door_id].uMoveLength << 7) / pIndoor->pDoors[door_id].uOpenSpeed
+             - ((signed int)(pIndoor->pDoors[door_id].uTimeSinceTriggered * pIndoor->pDoors[door_id].uCloseSpeed)
+             / 128 << 7) / pIndoor->pDoors[door_id].uOpenSpeed;
+          return;
+        }
+        pIndoor->pDoors[door_id].uTimeSinceTriggered = 15360;
+      }
+      return;
+    }
+  }
+  else
+  {
+    if ( a2 == 0 )
+    {
+      if ( pIndoor->pDoors[door_id].uState != BLVDoor::Closed && pIndoor->pDoors[door_id].uState != BLVDoor::Closing )
+      {
+        pIndoor->pDoors[door_id].uState = BLVDoor::Closing;
+        if ( old_state == BLVDoor::Open )
+        {
+          pIndoor->pDoors[door_id].uTimeSinceTriggered = 0;
+          return;
+        }
+        if ( pIndoor->pDoors[door_id].uTimeSinceTriggered != 15360 )
+        {
+          pIndoor->pDoors[door_id].uTimeSinceTriggered = (pIndoor->pDoors[door_id].uMoveLength << 7) / pIndoor->pDoors[door_id].uOpenSpeed
+             - ((signed int)(pIndoor->pDoors[door_id].uTimeSinceTriggered * pIndoor->pDoors[door_id].uCloseSpeed)
+             / 128 << 7) / pIndoor->pDoors[door_id].uOpenSpeed;
+          return;
+        }
+        pIndoor->pDoors[door_id].uTimeSinceTriggered = 15360;
+      }
+      return;
+    }
+    if ( a2 != 1 )
+      return;
+  }
+  if ( old_state != BLVDoor::Open && old_state != BLVDoor::Opening )
+  {
+    pIndoor->pDoors[door_id].uState = BLVDoor::Opening;
+    if ( old_state == BLVDoor::Closed )
+    {
+      pIndoor->pDoors[door_id].uTimeSinceTriggered = 0;
+      return;
+    }
+    if ( pIndoor->pDoors[door_id].uTimeSinceTriggered != 15360 )
+    {
+      pIndoor->pDoors[door_id].uTimeSinceTriggered = (pIndoor->pDoors[door_id].uMoveLength << 7) / pIndoor->pDoors[door_id].uCloseSpeed
+         - ((signed int)(pIndoor->pDoors[door_id].uTimeSinceTriggered * pIndoor->pDoors[door_id].uOpenSpeed)
+         / 128 << 7) / pIndoor->pDoors[door_id].uCloseSpeed;
+      return;
+    }
+    pIndoor->pDoors[door_id].uTimeSinceTriggered = 15360;
+  }
+  return;
 }
\ No newline at end of file