From 9f61c9e6ac6b1ac5692cf6352d2ebbd47a31a686 Mon Sep 17 00:00:00 2001
From: claude-bot <claude@ancap.in.ua>
Date: Mon, 13 Jul 2026 12:27:07 +0000
Subject: Import Cai1Hsu/re3 @ miami (reVC / GTA:VC decompilation)

Snapshot import (no upstream history) into git.ancap.in.ua/claude, per @lzcnt.
Source: https://github.com/Cai1Hsu/re3 branch miami.
---
 src/render/WindModifiers.cpp | 52 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 src/render/WindModifiers.cpp

(limited to 'src/render/WindModifiers.cpp')

diff --git a/src/render/WindModifiers.cpp b/src/render/WindModifiers.cpp
new file mode 100644
index 0000000..3bd6ac9
--- /dev/null
+++ b/src/render/WindModifiers.cpp
@@ -0,0 +1,52 @@
+#include "common.h"
+#include "WindModifiers.h"
+#include "Camera.h"
+#include "General.h"
+
+#define MAX_HEIGHT_DIST 40.0f
+#define MIN_FADE_DIST 20.0f
+#define MAX_FADE_DIST 50.0f
+
+CWindModifiers Array[16];
+int32 CWindModifiers::Number;
+
+void
+CWindModifiers::RegisterOne(CVector pos, int32 type = 1)
+{
+	if (CWindModifiers::Number < 16 && (pos - TheCamera.GetPosition()).Magnitude() < 100.0f) {
+		Array[Number].m_pos = pos;
+		Array[Number].m_type = type;
+		Number++;
+	}
+}
+
+bool
+CWindModifiers::FindWindModifier(CVector pos, float *x, float *y)
+{
+	bool bWasWindModifierFound = false;
+	CVector2D dir;
+	for (int i = 0; i < Number; i++) {
+		if (Array[i].m_type == 1) {
+			float zDist = Abs(15.0f + pos.z - Array[i].m_pos.z);
+
+			if (zDist < MAX_HEIGHT_DIST) {
+				float dist = (pos - Array[i].m_pos).Magnitude();
+				if (dist < MAX_FADE_DIST) {
+					float distFade = dist < MIN_FADE_DIST ? 1.0f : 1.0f - (dist - MIN_FADE_DIST) / (MAX_FADE_DIST - MIN_FADE_DIST);
+					float heightFade = 1.0f - zDist / MAX_HEIGHT_DIST;
+					float fade = distFade * heightFade * 0.5f;
+					dir = (pos - Array[i].m_pos) * fade / dist;
+					bWasWindModifierFound = true;
+				}
+			}
+		}
+	}
+
+	if (bWasWindModifierFound) {
+		float directionMult = ((CGeneral::GetRandomNumber() & 0x1F) - 16) * 0.0035f + 1.0f;
+		*x += dir.x * directionMult;
+		*y += dir.y * directionMult;
+	}
+
+	return bWasWindModifierFound;
+}
-- 
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