From 0c8705a9df651ba6618b77f42dfe38ae844f2381 Mon Sep 17 00:00:00 2001
From: Ramen2X <64166386+Ramen2X@users.noreply.github.com>
Date: Sat, 14 Oct 2023 15:54:49 -0400
Subject: [PATCH] implement/match MxTransitionManager::Transition_Broken()
 (#210)

---
 LEGO1/mxtransitionmanager.cpp | 24 +++++++++++++++++++++---
 1 file changed, 21 insertions(+), 3 deletions(-)

diff --git a/LEGO1/mxtransitionmanager.cpp b/LEGO1/mxtransitionmanager.cpp
index a7b1ba3d..c2645292 100644
--- a/LEGO1/mxtransitionmanager.cpp
+++ b/LEGO1/mxtransitionmanager.cpp
@@ -347,17 +347,35 @@ void MxTransitionManager::Transition_Pixelation()
 
 }
 
-
 // OFFSET: LEGO1 0x1004c270 STUB
 void MxTransitionManager::Transition_Windows()
 {
   // TODO
 }
 
-// OFFSET: LEGO1 0x1004c3e0 STUB
+// OFFSET: LEGO1 0x1004c3e0
 void MxTransitionManager::Transition_Broken()
 {
-  // TODO
+  // This function has no actual animation logic.
+  // It also never calls EndTransition to
+  // properly terminate the transition, so
+  // the game just hangs forever.
+
+  DDSURFACEDESC ddsd;
+  ZeroMemory(&ddsd, sizeof(ddsd));
+  ddsd.dwSize = sizeof(ddsd);
+
+  HRESULT res = m_ddSurface->Lock(NULL, &ddsd, DDLOCK_WAIT, NULL);
+  if (res == DDERR_SURFACELOST) {
+    m_ddSurface->Restore();
+    res = m_ddSurface->Lock(NULL, &ddsd, DDLOCK_WAIT, NULL);
+  }
+
+  if (res == DD_OK) {
+    SubmitCopyRect(&ddsd);
+    SetupCopyRect(&ddsd);
+    m_ddSurface->Unlock(ddsd.lpSurface);
+  }
 }
 
 // OFFSET: LEGO1 0x1004c170