From bfd24d7dd8e7e488132099514bd837e0f5651aaa Mon Sep 17 00:00:00 2001
From: Jupeyy <jupjopjap@gmail.com>
Date: Mon, 7 Sep 2020 00:19:38 +0200
Subject: [PATCH] Clamp camera zoom

---
 src/game/client/components/camera.cpp | 13 ++++++++++++-
 src/game/client/components/camera.h   |  2 ++
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/src/game/client/components/camera.cpp b/src/game/client/components/camera.cpp
index 55e075fbd..2cab23422 100644
--- a/src/game/client/components/camera.cpp
+++ b/src/game/client/components/camera.cpp
@@ -36,9 +36,19 @@ void CCamera::ScaleZoom(float Factor)
 	ChangeZoom(CurrentTarget * Factor);
 }
 
+float CCamera::MaxZoomLevel()
+{
+	return (Graphics()->IsTileBufferingEnabled()? 60 : 30);
+}
+
+float CCamera::MinZoomLevel()
+{
+	return 0.01f;
+}
+
 void CCamera::ChangeZoom(float Target)
 {
-	if(Target >= (Graphics()->IsTileBufferingEnabled()? 60 : 30))
+	if(Target > MaxZoomLevel() || Target < MinZoomLevel())
 	{
 		return;
 	}
@@ -75,6 +85,7 @@ void CCamera::OnRender()
 		{
 			m_Zoom = m_ZoomSmoothing.Evaluate(ZoomProgress(Time));
 		}
+		m_Zoom = clamp(m_Zoom, MinZoomLevel(), MaxZoomLevel());
 	}
 
 	if(!(m_pClient->m_Snap.m_SpecInfo.m_Active || GameClient()->m_GameInfo.m_AllowZoom || Client()->State() == IClient::STATE_DEMOPLAYBACK))
diff --git a/src/game/client/components/camera.h b/src/game/client/components/camera.h
index cfb69ae4c..4968f5301 100644
--- a/src/game/client/components/camera.h
+++ b/src/game/client/components/camera.h
@@ -28,6 +28,8 @@ class CCamera : public CComponent
 	void ChangeZoom(float Target);
 	float ZoomProgress(float CurrentTime) const;
 
+	float MinZoomLevel();
+	float MaxZoomLevel();
 public:
 	vec2 m_Center;
 	bool m_ZoomSet;