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mirror of https://github.com/OpenRCT2/OpenRCT2 synced 2026-01-17 20:13:07 +01:00

protect objects against invalid allocation ids

This commit is contained in:
Ted John
2016-07-03 18:02:18 +01:00
parent 80381cfaa0
commit 52928e1e08
26 changed files with 78 additions and 54 deletions

View File

@@ -31,9 +31,7 @@ enum OBJ_STRING_ID
void BannerObject::ReadLegacy(IReadObjectContext * context, IStream * stream)
{
_legacyType.name = stream->ReadValue<rct_string_id>();
_legacyType.image = stream->ReadValue<uint32>();
stream->Seek(6, STREAM_SEEK_CURRENT);
_legacyType.banner.scrolling_mode = stream->ReadValue<uint8>();
_legacyType.banner.flags = stream->ReadValue<uint8>();
_legacyType.banner.price = stream->ReadValue<uint8>();
@@ -72,6 +70,9 @@ void BannerObject::Unload()
{
language_free_object_string(_legacyType.name);
gfx_object_free_images(_legacyType.image, GetImageTable()->GetCount());
_legacyType.name = 0;
_legacyType.image = 0;
}
void BannerObject::DrawPreview(rct_drawpixelinfo * dpi) const