From 2c9f3270f943d551325d3b6c4dd41941b406c283 Mon Sep 17 00:00:00 2001
From: ragnarok-clanker <ragnarok-clanker>
Date: Tue, 27 Oct 2026 21:09:35 +0000
Subject: [PATCH] Decompile 2 functions in Source/UI/MiniPartyPlacement.cpp,
 Source/UI/MiniPartyPlacement.h

Batch #1206 by eAthena: 0 byte-identical, 2 confirmed by peer review.

- fn_07650 CMiniPartyWndSortArea::CMiniPartyWndSortArea: logic confirmed by peer review
- fn_07658 CMiniPartyWndSortArea::GetCells: logic confirmed by peer review

Reviewed-by: ragnarok-clanker
Adds to the build: Source/UI/MiniPartyPlacement.cpp
---
 Source/UI/MiniPartyPlacement.cpp | 28 ++++++++++++++++++++++++++++
 Source/UI/MiniPartyPlacement.h   | 27 +++++++++++++++++++++++++++
 data/compile.json                |  1 +
 3 files changed, 56 insertions(+)
 create mode 100644 Source/UI/MiniPartyPlacement.cpp
 create mode 100644 Source/UI/MiniPartyPlacement.h

diff --git a/Source/UI/MiniPartyPlacement.cpp b/Source/UI/MiniPartyPlacement.cpp
new file mode 100644
index 0000000..d885fe7
--- /dev/null
+++ b/Source/UI/MiniPartyPlacement.cpp
@@ -0,0 +1,28 @@
+#include "UI/MiniPartyPlacement.h"
+#include "UI/MiniPartyGrid.h"
+#include "UI/Window/UIWindowMgr.h"
+
+// OFFSET: 0x00737680
+// FUNCTION: fn_07650
+CMiniPartyWndSortArea::CMiniPartyWndSortArea(const RECT& bounds) {
+  SetRect(&this->area, 0, 0, g_windowMgr.unknown_047C, g_windowMgr.unknown_0480);
+  this->columns = (this->area.right - this->area.left) / g_miniPartyCellWidth;
+  this->rows = (this->area.bottom - this->area.top) / g_miniPartyCellHeight;
+
+  const RECT target = bounds;
+
+  for (int index = 0; index < this->columns * this->rows; ++index) {
+    const int x = this->area.left + g_miniPartyCellWidth * (index / this->rows);
+    const int y = this->area.top + g_miniPartyCellHeight * (index % this->rows);
+
+    if (target.left <= x && x + g_miniPartyCellWidth <= target.right && target.top <= y && y + g_miniPartyCellHeight <= target.bottom) {
+      this->cells.push_back(index);
+    }
+  }
+}
+
+// OFFSET: 0x00737D40
+// FUNCTION: fn_07658
+std::list<int> CMiniPartyWndSortArea::GetCells() const {
+  return this->cells;
+}
diff --git a/Source/UI/MiniPartyPlacement.h b/Source/UI/MiniPartyPlacement.h
new file mode 100644
index 0000000..43fcb90
--- /dev/null
+++ b/Source/UI/MiniPartyPlacement.h
@@ -0,0 +1,27 @@
+#ifndef RAGNAROK_SOURCE_UI_MINIPARTYPLACEMENT_H
+#define RAGNAROK_SOURCE_UI_MINIPARTYPLACEMENT_H
+
+#include <cstddef>
+#include <list>
+#include <windows.h>
+
+class CMiniPartyWndSortArea {
+public:
+  /* 0004 */ RECT area;
+  /* 0014 */ int columns;
+  /* 0018 */ int rows;
+  /* 001C */ std::list<int> cells;
+
+  virtual ~CMiniPartyWndSortArea() = default;
+
+  explicit CMiniPartyWndSortArea(const RECT& bounds);
+  std::list<int> GetCells() const;
+};
+
+#if defined(_WIN32) && !defined(_WIN64)
+static_assert(offsetof(CMiniPartyWndSortArea, area) == 0x04);
+static_assert(offsetof(CMiniPartyWndSortArea, cells) == 0x1C);
+static_assert(sizeof(CMiniPartyWndSortArea) == 0x24);
+#endif
+
+#endif
diff --git a/data/compile.json b/data/compile.json
index 806034a..7ea22e3 100644
--- a/data/compile.json
+++ b/data/compile.json
@@ -568,6 +568,7 @@
   "Source/UI/Lists/UIScrollBar.cpp": 2,
   "Source/UI/Lists/UIScrollBarNavi.cpp": 2,
   "Source/UI/MiniPartyGrid.cpp": 2,
+  "Source/UI/MiniPartyPlacement.cpp": 2,
   "Source/UI/Party/UIAdvenPartyBoardWnd.cpp": 2,
   "Source/UI/Party/UIApplyForPartyWnd.cpp": 2,
   "Source/UI/Party/UIPartyInfoWnd.cpp": 2,