From 383fa3d3ab040e41880bc55d6ac74be82f4d4be0 Mon Sep 17 00:00:00 2001
From: Petr Mikheev <ptmikheev@gmail.com>
Date: Sun, 12 Jul 2020 21:03:18 +0200
Subject: [PATCH] Make 'zoom out when move' configurable.

---
 apps/openmw/mwrender/camera.cpp                   |  3 ++-
 apps/openmw/mwrender/camera.hpp                   |  1 +
 docs/source/reference/modding/settings/camera.rst | 12 ++++++++++++
 files/settings-default.cfg                        |  3 +++
 4 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/apps/openmw/mwrender/camera.cpp b/apps/openmw/mwrender/camera.cpp
index 1e6ea2843..7531e712b 100644
--- a/apps/openmw/mwrender/camera.cpp
+++ b/apps/openmw/mwrender/camera.cpp
@@ -67,6 +67,7 @@ namespace MWRender
       mFocalPointTransitionSpeedCoef(1.f),
       mPreviousTransitionInfluence(0.f),
       mSmoothedSpeed(0.f),
+      mZoomOutWhenMoveCoef(Settings::Manager::getFloat("zoom out when move coef", "Camera")),
       mDynamicCameraDistanceEnabled(false),
       mShowCrosshairInThirdPersonMode(false)
     {
@@ -461,7 +462,7 @@ namespace MWRender
         float pitchCorrection = std::max(-getPitch(), 0.f) * 50.f;
 
         float smoothedSpeedSqr = mSmoothedSpeed * mSmoothedSpeed;
-        float speedCorrection = smoothedSpeedSqr / (smoothedSpeedSqr + 300.f*300.f) * 20.0f;
+        float speedCorrection = smoothedSpeedSqr / (smoothedSpeedSqr + 300.f*300.f) * mZoomOutWhenMoveCoef;
 
         return pitchCorrection + speedCorrection;
     }
diff --git a/apps/openmw/mwrender/camera.hpp b/apps/openmw/mwrender/camera.hpp
index bd70d6d9a..59fa53047 100644
--- a/apps/openmw/mwrender/camera.hpp
+++ b/apps/openmw/mwrender/camera.hpp
@@ -67,6 +67,7 @@ namespace MWRender
         osg::Vec2d mPreviousExtraOffset;
 
         float mSmoothedSpeed;
+        float mZoomOutWhenMoveCoef;
         bool mDynamicCameraDistanceEnabled;
         bool mShowCrosshairInThirdPersonMode;
 
diff --git a/docs/source/reference/modding/settings/camera.rst b/docs/source/reference/modding/settings/camera.rst
index 21fec8fd6..be636cef4 100644
--- a/docs/source/reference/modding/settings/camera.rst
+++ b/docs/source/reference/modding/settings/camera.rst
@@ -162,3 +162,15 @@ When player is close to an obstacle, automatically switches camera to the should
 
 This setting can only be configured by editing the settings configuration file.
 
+zoom out when move coef
+-----------------------
+
+:Type:		floating point
+:Range:		Any
+:Default:	20
+
+This setting makes difference only in third person mode if 'view over shoulder' is enabled.
+Slightly pulls camera away (or closer in case of negative value) when the character moves. To disable set it to zero.
+
+This setting can only be configured by editing the settings configuration file.
+
diff --git a/files/settings-default.cfg b/files/settings-default.cfg
index b960946d8..35be128a8 100644
--- a/files/settings-default.cfg
+++ b/files/settings-default.cfg
@@ -45,6 +45,9 @@ view over shoulder offset = 30 -10
 # Switch shoulder automatically when player is close to an obstacle.
 auto switch shoulder = true
 
+# Slightly pulls camera away when the character moves. Works only in 'view over shoulder' mode. Set to 0 to disable.
+zoom out when move coef = 20
+
 [Cells]
 
 # Preload cells in a background thread. All settings starting with 'preload' have no effect unless this is enabled.