Merge pull request #983 from Allofich/telekinesis

Don't allow telekinesis on actors or teleport doors

apps/openmw/mwbase/world.hpp

@@ -250,6 +250,8 @@ namespace MWBase
             virtual MWWorld::Ptr  getFacedObject() = 0;
             ///< Return pointer to the object the player is looking at, if it is within activation range
 
+            virtual float getDistanceToFacedObject() = 0;
+
             virtual float getMaxActivationDistance() = 0;
 
             /// Returns a pointer to the object the provided object would hit (if within the

apps/openmw/mwclass/activator.cpp

@@ -81,6 +81,10 @@ namespace MWClass
         return (ref->mBase->mName != "");
     }
 
+    bool Activator::allowTelekinesis(const MWWorld::ConstPtr &ptr) const {
+        return false;
+    }
+
     MWGui::ToolTipInfo Activator::getToolTipInfo (const MWWorld::ConstPtr& ptr, int count) const
     {
         const MWWorld::LiveCellRef<ESM::Activator> *ref = ptr.get<ESM::Activator>();

apps/openmw/mwclass/activator.hpp

@@ -24,6 +24,9 @@ namespace MWClass
             virtual bool hasToolTip (const MWWorld::ConstPtr& ptr) const;
             ///< @return true if this object has a tooltip when focused (default implementation: false)
 
+            virtual bool allowTelekinesis(const MWWorld::ConstPtr& ptr) const;
+            ///< Return whether this class of object can be activated with telekinesis
+
             virtual MWGui::ToolTipInfo getToolTipInfo (const MWWorld::ConstPtr& ptr, int count) const;
             ///< @return the content of the tool tip to be displayed. raises exception if the object has no tooltip.
 

apps/openmw/mwclass/actor.cpp

@@ -79,4 +79,8 @@ namespace MWClass
         weight += effects.get(MWMechanics::EffectKey(ESM::MagicEffect::Burden)).getMagnitude();
         return (weight < 0) ? 0.0f : weight;
     }
+
+    bool Actor::allowTelekinesis(const MWWorld::ConstPtr &ptr) const {
+        return false;
+    }
 }

apps/openmw/mwclass/actor.hpp

@@ -35,6 +35,9 @@ namespace MWClass
         ///< Returns total weight of objects inside this object (including modifications from magic
         /// effects). Throws an exception, if the object can't hold other objects.
 
+        virtual bool allowTelekinesis(const MWWorld::ConstPtr& ptr) const;
+        ///< Return whether this class of object can be activated with telekinesis
+
         // not implemented
         Actor(const Actor&);
         Actor& operator= (const Actor&);

apps/openmw/mwclass/door.cpp

@@ -146,11 +146,18 @@ namespace MWClass
 
             if (ptr.getCellRef().getTeleport())
             {
-                boost::shared_ptr<MWWorld::Action> action(new MWWorld::ActionTeleport (ptr.getCellRef().getDestCell(), ptr.getCellRef().getDoorDest(), true));
-
-                action->setSound(openSound);
-
-                return action;
+                if (actor == MWMechanics::getPlayer() && MWBase::Environment::get().getWorld()->getDistanceToFacedObject() > MWBase::Environment::get().getWorld()->getMaxActivationDistance())
+                {
+                    // player activated teleport door with telekinesis
+                    boost::shared_ptr<MWWorld::Action> action(new MWWorld::FailedAction);
+                    return action;
+                }
+                else
+                {
+                    boost::shared_ptr<MWWorld::Action> action(new MWWorld::ActionTeleport (ptr.getCellRef().getDestCell(), ptr.getCellRef().getDoorDest(), true));
+                    action->setSound(openSound);
+                    return action;
+                }              
             }
             else
             {
@@ -213,6 +220,14 @@ namespace MWClass
         return true;
     }
 
+    bool Door::allowTelekinesis(const MWWorld::ConstPtr &ptr) const
+    {
+        if (ptr.getCellRef().getTeleport() && ptr.getCellRef().getLockLevel() <= 0 && ptr.getCellRef().getTrap().empty())
+            return false;
+        else
+            return true;
+    }
+
     std::string Door::getScript (const MWWorld::ConstPtr& ptr) const
     {
         const MWWorld::LiveCellRef<ESM::Door> *ref = ptr.get<ESM::Door>();

apps/openmw/mwclass/door.hpp

@@ -45,6 +45,9 @@ namespace MWClass
 
             virtual bool canLock(const MWWorld::ConstPtr &ptr) const;
 
+            virtual bool allowTelekinesis(const MWWorld::ConstPtr &ptr) const;
+            ///< Return whether this class of object can be activated with telekinesis
+
             virtual std::string getScript (const MWWorld::ConstPtr& ptr) const;
             ///< Return name of the script attached to ptr
 

apps/openmw/mwmechanics/aiactivate.cpp

@@ -39,7 +39,7 @@ namespace MWMechanics
         //Set the target desition from the actor
         ESM::Pathgrid::Point dest = target.getRefData().getPosition().pos;
 
-        if(distance(dest, pos.pos[0], pos.pos[1], pos.pos[2]) < 200) { //Stop when you get close
+        if(distance(dest, pos.pos[0], pos.pos[1], pos.pos[2]) < MWBase::Environment::get().getWorld()->getMaxActivationDistance()) { //Stop when you get in activation range
             actor.getClass().getMovementSettings(actor).mPosition[1] = 0;
             MWWorld::Ptr target = MWBase::Environment::get().getWorld()->getPtr(mObjectId,false);
 

apps/openmw/mwrender/renderingmanager.cpp

@@ -661,6 +661,7 @@ namespace MWRender
     {
         RenderingManager::RayResult result;
         result.mHit = false;
+        result.mRatio = 0;
         if (intersector->containsIntersections())
         {
             result.mHit = true;
@@ -668,6 +669,7 @@ namespace MWRender
 
             result.mHitPointWorld = intersection.getWorldIntersectPoint();
             result.mHitNormalWorld = intersection.getWorldIntersectNormal();
+            result.mRatio = intersection.ratio;
 
             PtrHolder* ptrHolder = NULL;
             for (osg::NodePath::const_iterator it = intersection.nodePath.begin(); it != intersection.nodePath.end(); ++it)

apps/openmw/mwrender/renderingmanager.hpp

@@ -120,6 +120,7 @@ namespace MWRender
             osg::Vec3f mHitNormalWorld;
             osg::Vec3f mHitPointWorld;
             MWWorld::Ptr mHitObject;
+            float mRatio;
         };
 
         RayResult castRay(const osg::Vec3f& origin, const osg::Vec3f& dest, bool ignorePlayer, bool ignoreActors=false);

apps/openmw/mwworld/actiontrap.cpp

@@ -1,40 +1,34 @@
 #include "actiontrap.hpp"
 
 #include "../mwmechanics/spellcasting.hpp"
+
 #include "../mwbase/environment.hpp"
 #include "../mwbase/world.hpp"
 
 namespace MWWorld
 {
-
     void ActionTrap::executeImp(const Ptr &actor)
     {
         osg::Vec3f actorPosition(actor.getRefData().getPosition().asVec3());
         osg::Vec3f trapPosition(mTrapSource.getRefData().getPosition().asVec3());
-        float activationDistance = MWBase::Environment::get().getWorld()->getMaxActivationDistance();
+        float trapRange = MWBase::Environment::get().getWorld()->getMaxActivationDistance();
 
-        // GUI calcs if object in activation distance include object and player geometry
-        const float fudgeFactor = 1.25f;
-
-        // Hack: if actor is beyond activation range, then assume actor is using telekinesis
-        // to open door/container.
-        // Note, can't just detonate the trap at the trapped object's location and use the blast
+        // Note: can't just detonate the trap at the trapped object's location and use the blast
         // radius, because for most trap spells this is 1 foot, much less than the activation distance.
-        if ((trapPosition - actorPosition).length() < (activationDistance * fudgeFactor))
-        {
-            // assume actor touched trap
-            MWMechanics::CastSpell cast(mTrapSource, actor);
-            cast.mHitPosition = actorPosition;
-            cast.cast(mSpellId);
-        }
-        else
+        // Using activation distance as the trap range.
+
+        if (actor == MWBase::Environment::get().getWorld()->getPlayerPtr() && MWBase::Environment::get().getWorld()->getDistanceToFacedObject() > trapRange) // player activated object outside range of trap
         {
-            // assume telekinesis used
             MWMechanics::CastSpell cast(mTrapSource, mTrapSource);
             cast.mHitPosition = trapPosition;
             cast.cast(mSpellId);
         }
+        else // player activated object within range of trap, or NPC activated trap
+        {
+            MWMechanics::CastSpell cast(mTrapSource, actor);
+            cast.mHitPosition = actorPosition;
+            cast.cast(mSpellId);
+        }   
         mTrapSource.getCellRef().setTrap("");
     }
-
 }

apps/openmw/mwworld/class.hpp

@@ -279,6 +279,9 @@ namespace MWWorld
             virtual bool isKey (const MWWorld::ConstPtr& ptr) const { return false; }
 
             virtual bool isGold(const MWWorld::ConstPtr& ptr) const { return false; }
+
+            virtual bool allowTelekinesis(const MWWorld::ConstPtr& ptr) const { return true; }
+            ///< Return whether this class of object can be activated with telekinesis
             
             /// Get a blood texture suitable for \a ptr (see Blood Texture 0-2 in Morrowind.ini)
             virtual int getBloodTexture (const MWWorld::ConstPtr& ptr) const;

apps/openmw/mwworld/worldimp.cpp

@@ -150,7 +150,7 @@ namespace MWWorld
       mSky (true), mCells (mStore, mEsm),
       mGodMode(false), mScriptsEnabled(true), mContentFiles (contentFiles),
       mActivationDistanceOverride (activationDistanceOverride), mStartupScript(startupScript),
-      mStartCell (startCell), mTeleportEnabled(true),
+      mStartCell (startCell), mDistanceToFacedObject(-1), mTeleportEnabled(true),
       mLevitationEnabled(true), mGoToJail(false), mDaysInPrison(0)
     {
         mPhysics = new MWPhysics::PhysicsSystem(resourceSystem, rootNode);
@@ -1027,12 +1027,20 @@ namespace MWWorld
 
             float activationDistance = getMaxActivationDistance() + telekinesisRangeBonus;
 
-            facedObject = getFacedObject(activationDistance);
-        }
+            facedObject = getFacedObject(activationDistance, true);
 
+            if (!facedObject.isEmpty() && !facedObject.getClass().allowTelekinesis(facedObject)
+                && mDistanceToFacedObject > getMaxActivationDistance())
+                return 0;
+        }
         return facedObject;
     }
 
+   float World::getDistanceToFacedObject()
+   {
+        return mDistanceToFacedObject;
+   }
+
     osg::Matrixf World::getActorHeadTransform(const MWWorld::ConstPtr& actor) const
     {
         const MWRender::Animation *anim = mRendering->getAnimation(actor);
@@ -1715,17 +1723,24 @@ namespace MWWorld
     MWWorld::Ptr World::getFacedObject(float maxDistance, bool ignorePlayer)
     {
         maxDistance += mRendering->getCameraDistance();
+        MWWorld::Ptr facedObject;
+        MWRender::RenderingManager::RayResult rayToObject;
 
         if (MWBase::Environment::get().getWindowManager()->isGuiMode())
         {
             float x, y;
             MWBase::Environment::get().getWindowManager()->getMousePosition(x, y);
-            return mRendering->castCameraToViewportRay(x, y, maxDistance, ignorePlayer).mHitObject;
+            rayToObject = mRendering->castCameraToViewportRay(x, y, maxDistance, ignorePlayer);
         }
         else
-        {
-            return mRendering->castCameraToViewportRay(0.5f, 0.5f, maxDistance, ignorePlayer).mHitObject;
-        }
+            rayToObject = mRendering->castCameraToViewportRay(0.5f, 0.5f, maxDistance, ignorePlayer);
+
+        facedObject = rayToObject.mHitObject;
+        if (rayToObject.mHit)
+            mDistanceToFacedObject = rayToObject.mRatio * maxDistance;
+        else
+            mDistanceToFacedObject = -1;
+        return facedObject;
     }
 
     bool World::isCellExterior() const

apps/openmw/mwworld/worldimp.hpp

@@ -127,7 +127,9 @@ namespace MWWorld
             void updateSoundListener();
             void updateWindowManager ();
             void updatePlayer(bool paused);
+
             MWWorld::Ptr getFacedObject(float maxDistance, bool ignorePlayer=true);
+
     public: // FIXME
             void removeContainerScripts(const Ptr& reference);
     private:
@@ -154,6 +156,9 @@ namespace MWWorld
                 const std::vector<std::string>& content, ContentLoader& contentLoader);
 
             float mSwimHeightScale;
+
+            float mDistanceToFacedObject;
+
             bool isUnderwater(const MWWorld::ConstPtr &object, const float heightRatio) const;
             ///< helper function for implementing isSwimming(), isSubmerged(), isWading()
 
@@ -343,6 +348,8 @@ namespace MWWorld
             virtual MWWorld::Ptr getFacedObject();
             ///< Return pointer to the object the player is looking at, if it is within activation range
 
+            virtual float getDistanceToFacedObject();
+
             /// Returns a pointer to the object the provided object would hit (if within the
             /// specified distance), and the point where the hit occurs. This will attempt to
             /// use the "Head" node as a basis.