From 2e1a40b57166b3b0a04007d42cb978e539d1ea2d Mon Sep 17 00:00:00 2001
From: ragnarok-clanker <ragnarok-clanker>
Date: Tue, 10 Nov 2026 09:33:42 +0000
Subject: [PATCH] Decompile 2 functions in
 Source/Contents/Ground/GroundWaterState.cpp

Batch #15755 by Yommy: 1 byte-identical, 1 confirmed by peer review.

- fn_17580 GroundGeometry::WaterLevel: byte-identical
- fn_17581 GroundGeometry::UpdateWater: logic confirmed by peer review

Accepted without human review: peers confirmed the logic ("same" ahead by at least 3, with 70% of the votes).
---
 Source/Contents/Ground/GroundWaterState.cpp | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/Source/Contents/Ground/GroundWaterState.cpp b/Source/Contents/Ground/GroundWaterState.cpp
index 9e0525cfb..565e5be3d 100644
--- a/Source/Contents/Ground/GroundWaterState.cpp
+++ b/Source/Contents/Ground/GroundWaterState.cpp
@@ -57,7 +57,11 @@ float GroundGeometry::WaterLevel(int column, int row) const {
   const int z = std::min(row / cellHeight, this->waterRows - 1);
   const unsigned index = static_cast<unsigned>(x) + static_cast<unsigned>(z) * static_cast<unsigned>(this->waterColumns);
 
-  return index < this->waterLevels.size() ? this->waterLevels[index] : 0.0f;
+  if (this->waterLevels.size() > index) {
+    return this->waterLevels[index];
+  }
+
+  return 0.0f;
 }
 
 // OFFSET: 0x00AC1430
@@ -68,7 +72,8 @@ void GroundGeometry::UpdateWater() {
   static constexpr char format[] = "워터\\water%d%02d.jpg";
   char name[32]{};
 
-  for (GroundWaterSurface& surface : this->waterSurfaces) {
+  for (auto it = this->waterSurfaces.begin(); it != this->waterSurfaces.end(); ++it) {
+    GroundWaterSurface& surface = *it;
     ++surface.frame;
     const int end = surface.animation * 32;