Squashed commit of the following:

commit 442abe3 Author: SomaZ <17459161+SomaZ@users.noreply.github.com> Date: Tue Feb 20 12:02:37 2024 +0100 [rend2] Fix out-of-bounds crash with weather
SomaZ · Feb 20, 2024 · 7be3463 · 7be3463
1 parent a35e31a
commit 7be3463
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/shared/rd-rend2/tr_weather.cpp b/shared/rd-rend2/tr_weather.cpp
@@ -1149,6 +1149,11 @@ void RB_SurfaceWeather( srfWeather_t *surf )
 			{
 				chunkIndex  = (int(centerZoneOffsetX + numMinZonesX) + x + 1) % 3;
 				chunkIndex += (int(centerZoneOffsetY + numMinZonesY) + y + 1) % 3 * 3;
+
+				if (chunkIndex < 0) {
+					chunkIndex += 9;
+				}
+
 				VectorSet2(
 					zoneOffsets[chunkIndex],
 					x,