Allow zooming camera in vanity or preview mode with the mousewheel

apps/openmw/mwbase/world.hpp

@@ -296,6 +296,7 @@ namespace MWBase
             virtual bool toggleVanityMode(bool enable, bool force) = 0;
             virtual void allowVanityMode(bool allow) = 0;
             virtual void togglePlayerLooking(bool enable) = 0;
+            virtual void changeVanityModeScale(float factor) = 0;
 
             virtual void renderPlayer() = 0;
             

apps/openmw/mwinput/inputmanagerimp.cpp

@@ -548,6 +548,9 @@ namespace MWInput
 
             MWBase::World *world = MWBase::Environment::get().getWorld();
             world->rotateObject(world->getPlayer().getPlayer(), -y, 0.f, x, true);
+
+            if (arg.state.Z.rel)
+                MWBase::Environment::get().getWorld()->changeVanityModeScale(arg.state.Z.rel);
         }
 
         return true;

apps/openmw/mwrender/player.cpp

@@ -271,6 +271,8 @@ namespace MWRender
             v.z = 800.f;
         } else if (v.z < 10.f) {
             v.z = 10.f;
+        } else if (override && v.z < 50.f) {
+            v.z = 50.f;
         }
         mCamera->setPosition(v);
 
@@ -362,4 +364,9 @@ namespace MWRender
             mCameraNode->setPosition(0.f, 0.f, mHeight);
         }
     }
+
+    bool Player::isVanityOrPreviewModeEnabled()
+    {
+        return mPreviewMode || mVanity.enabled;
+    }
 }

apps/openmw/mwrender/player.hpp

@@ -110,6 +110,8 @@ namespace MWRender
         void getSightAngles(float &pitch, float &yaw);
 
         void togglePlayerLooking(bool enable);
+
+        bool isVanityOrPreviewModeEnabled();
     };
 }
 

apps/openmw/mwrender/renderingmanager.hpp

@@ -83,6 +83,11 @@ class RenderingManager: private RenderingInterface, public Ogre::WindowEventList
         mPlayer->togglePlayerLooking(enable);
     }
 
+    void changeVanityModeScale(float factor) {
+        if (mPlayer->isVanityOrPreviewModeEnabled())
+        mPlayer->setCameraDistance(-factor/120.f*10, true, true);
+    }
+
     void getPlayerData(Ogre::Vector3 &eyepos, float &pitch, float &yaw);
 
     void attachCameraTo(const MWWorld::Ptr &ptr);

apps/openmw/mwworld/worldimp.hpp

@@ -339,6 +339,10 @@ namespace MWWorld
                 mRendering->togglePlayerLooking(enable);
             }
 
+            virtual void changeVanityModeScale(float factor) {
+                mRendering->changeVanityModeScale(factor);
+            }
+
             virtual void renderPlayer();
 
             virtual void setupExternalRendering (MWRender::ExternalRendering& rendering);