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| author | PeterN <peter1138@openttd.org> | 2021-05-02 10:21:27 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-05-02 10:21:27 +0100 |
| commit | 256dbee25597f4da8726063084f94eb821babf14 (patch) | |
| tree | 7d9293d36f49454228043f14943fff2dc529f5fc | |
| parent | 18fb1c386689f12d2a7e767d9372020c0a8d9fea (diff) | |
| download | openttd-256dbee25597f4da8726063084f94eb821babf14.tar.xz | |
Fix: Crash when extra viewport height is zero with sign in view. (#9175)
If a viewport sign straddles the top of a viewport, a crash will occur if the viewport height is zero. This is resolved by simply not attempting to draw the viewport in this situation, consistent with other widgets.
| -rw-r--r-- | src/widget.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/widget.cpp b/src/widget.cpp index 68bc43d78..5c1c0ae8f 100644 --- a/src/widget.cpp +++ b/src/widget.cpp @@ -2029,6 +2029,8 @@ void NWidgetViewport::SetupSmallestSize(Window *w, bool init_array) void NWidgetViewport::Draw(const Window *w) { + if (this->current_x == 0 || this->current_y == 0) return; + if (this->disp_flags & ND_NO_TRANSPARENCY) { TransparencyOptionBits to_backup = _transparency_opt; _transparency_opt &= (1 << TO_SIGNS) | (1 << TO_LOADING); // Disable all transparency, except textual stuff |