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| author | PeterN <peter1138@openttd.org> | 2021-09-19 21:52:08 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-09-19 21:52:08 +0100 |
| commit | 7e70ead39629c557c4580d1d66be0cdcc37480ec (patch) | |
| tree | ad4c695bff2c73c28cbfa25ab8f32b6e7dce00c6 | |
| parent | b8f9e24189aa5d62ccf4d3e7bc3ccbd23e57911e (diff) | |
| download | openttd-7e70ead39629c557c4580d1d66be0cdcc37480ec.tar.xz | |
Fix #9562: Handle case of invalid action2 with zero results. (#9564)
| -rw-r--r-- | src/newgrf.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/newgrf.cpp b/src/newgrf.cpp index 5ceadfd96..8a88e5203 100644 --- a/src/newgrf.cpp +++ b/src/newgrf.cpp @@ -5168,6 +5168,11 @@ static void NewSpriteGroup(ByteReader *buf) grfmsg(6, "NewSpriteGroup: New SpriteGroup 0x%02X, %u loaded, %u loading", setid, num_loaded, num_loading); + if (num_loaded + num_loading == 0) { + grfmsg(1, "NewSpriteGroup: no result, skipping invalid RealSpriteGroup"); + break; + } + if (num_loaded + num_loading == 1) { /* Avoid creating 'Real' sprite group if only one option. */ uint16 spriteid = buf->ReadWord(); |