From 87953ace9b492b3558fb676d2dfaab3aecff1455 Mon Sep 17 00:00:00 2001
From: Duncan <duncans_pumpkin@hotmail.co.uk>
Date: Tue, 4 Aug 2020 00:07:13 +0100
Subject: [PATCH] Fix #12535, #12536: RCT1 import can crash when too many misc
 entities (#12580)

Eventually this can be fixed properly in the new save format
---
 src/openrct2/rct1/S4Importer.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/openrct2/rct1/S4Importer.cpp b/src/openrct2/rct1/S4Importer.cpp
index c3765ad6b7..bd84d97fdd 100644
--- a/src/openrct2/rct1/S4Importer.cpp
+++ b/src/openrct2/rct1/S4Importer.cpp
@@ -1659,6 +1659,11 @@ private:
             {
                 rct1_unk_sprite* src = &sprite.unknown;
                 SpriteGeneric* dst = reinterpret_cast<SpriteGeneric*>(create_sprite(SPRITE_IDENTIFIER_MISC));
+                if (dst == nullptr)
+                {
+                    log_warning("SV4 has too many misc entities. No more misc entities will be imported!");
+                    break;
+                }
                 dst->sprite_identifier = src->sprite_identifier;
                 dst->type = src->type;
                 dst->flags = src->flags;