Decompile fn_18251 (GenerateRadialGrid)

Batch #829 by ragnarok-clanker: 0 byte-identical, 1 confirmed by peer review.

- fn_18251 GenerateRadialGrid: logic confirmed by peer review

Reviewed-by: ragnarok-clanker
Adds to the build: Source/Utility/RadialGrid.cpp

Source/Utility/RadialGrid.cpp

@@ -0,0 +1,18 @@
+#include "Utility/RadialGrid.h"
+
+#include <cstdint>
+
+// FUNCTION: fn_18251
+std::vector<RadialGridPoint> GenerateRadialGrid(const RadialGridPoint& center, int radius) {
+  std::vector<RadialGridPoint> points;
+  const std::uint32_t diameter = static_cast<std::uint32_t>(radius) * 2u + 1u;
+  points.reserve(diameter * diameter);
+
+  for (int x = -radius; x <= radius; ++x) {
+    for (int y = -radius; y <= radius; ++y) {
+      points.push_back({static_cast<float>(x) + center.x, static_cast<float>(y) + center.y});
+    }
+  }
+
+  return points;
+}

Source/Utility/RadialGrid.h

@@ -0,0 +1,13 @@
+#ifndef RAGNAROK_SOURCE_UTILITY_RADIALGRID_H
+#define RAGNAROK_SOURCE_UTILITY_RADIALGRID_H
+
+#include <vector>
+
+struct RadialGridPoint {
+  /* 0000 */ float x;
+  /* 0004 */ float y;
+};
+
+std::vector<RadialGridPoint> GenerateRadialGrid(const RadialGridPoint& center, int radius);
+
+#endif

compile.json

@@ -587,6 +587,7 @@
   "Source/Utility/Math/AffineMatrix.cpp": 0,
   "Source/Utility/Math/ClientAngles.cpp": 0,
   "Source/Utility/Math/RayTriangle.cpp": 0,
+  "Source/Utility/RadialGrid.cpp": 0,
   "Source/Utility/Rijndael.cpp": 0,
   "Source/Utility/Text/FormatString.cpp": 0,
   "Source/Utility/Text/GroupedInteger.cpp": 0,