Merge remote-tracking branch 'dteviot/MagicEffectsRefactorDraft3'

apps/openmw/mwmechanics/actorutil.cpp

@@ -3,10 +3,17 @@
 #include "../mwbase/world.hpp"
 #include "../mwbase/environment.hpp"
 
+#include "../mwworld/player.hpp"
+
 namespace MWMechanics
 {
     MWWorld::Ptr getPlayer()
     {
         return MWBase::Environment::get().getWorld()->getPlayerPtr();
     }
+
+    bool isPlayerInCombat()
+    {
+        return MWBase::Environment::get().getWorld()->getPlayer().isInCombat();
+    }
 }

apps/openmw/mwmechanics/actorutil.hpp

@@ -1,14 +1,12 @@
 #ifndef OPENMW_MWMECHANICS_ACTORUTIL_H
 #define OPENMW_MWMECHANICS_ACTORUTIL_H
 
-namespace MWWorld
-{
-    class Ptr;
-}
+#include "../mwworld/ptr.hpp"
 
 namespace MWMechanics
 {
     MWWorld::Ptr getPlayer();
+    bool isPlayerInCombat();
 }
 
 #endif

apps/openmw/mwmechanics/aipackage.cpp

@@ -16,6 +16,7 @@
 
 #include "steering.hpp"
 #include "actorutil.hpp"
+#include "coordinateconverter.hpp"
 
 MWMechanics::AiPackage::~AiPackage() {}
 
@@ -32,45 +33,24 @@ bool MWMechanics::AiPackage::pathTo(const MWWorld::Ptr& actor, ESM::Pathgrid::Po
     ESM::Position pos = actor.getRefData().getPosition(); //position of the actor
 
     /// Stops the actor when it gets too close to a unloaded cell
-    const ESM::Cell *cell = actor.getCell()->getCell();
+    //... At current time, this test is unnecessary. AI shuts down when actor is more than 7168
+    //... units from player, and exterior cells are 8192 units long and wide.
+    //... But AI processing distance may increase in the future.
+    if (isNearInactiveCell(pos))
     {
-        MWWorld::Ptr player = getPlayer();
-        Movement &movement = actor.getClass().getMovementSettings(actor);
-
-        //Ensure pursuer doesn't leave loaded cells
-        if(cell->mData.mX != player.getCell()->getCell()->mData.mX)
-        {
-            int sideX = PathFinder::sgn(cell->mData.mX - player.getCell()->getCell()->mData.mX);
-            //check if actor is near the border of an inactive cell. If so, stop walking.
-            if(sideX * (pos.pos[0] - cell->mData.mX*ESM::Land::REAL_SIZE) > sideX * (ESM::Land::REAL_SIZE/2.0f - 200.0f))
-            {
-                movement.mPosition[1] = 0;
-                return false;
-            }
-        }
-        if(cell->mData.mY != player.getCell()->getCell()->mData.mY)
-        {
-            int sideY = PathFinder::sgn(cell->mData.mY - player.getCell()->getCell()->mData.mY);
-            //check if actor is near the border of an inactive cell. If so, stop walking.
-            if(sideY * (pos.pos[1] - cell->mData.mY*ESM::Land::REAL_SIZE) > sideY * (ESM::Land::REAL_SIZE/2.0f - 200.0f))
-            {
-                movement.mPosition[1] = 0;
-                return false;
-            }
-        }
+        actor.getClass().getMovementSettings(actor).mPosition[1] = 0;
+        return false;
     }
 
-    //Start position
-    ESM::Pathgrid::Point start = pos.pos;
-
     //***********************
     /// Checks if you can't get to the end position at all, adds end position to end of path
     /// Rebuilds path every quarter of a second, in case the target has moved
     //***********************
     if(mTimer > 0.25)
     {
+        const ESM::Cell *cell = actor.getCell()->getCell();
         if (doesPathNeedRecalc(dest, cell)) { //Only rebuild path if it's moved
-            mPathFinder.buildSyncedPath(start, dest, actor.getCell(), true); //Rebuild path, in case the target has moved
+            mPathFinder.buildSyncedPath(pos.pos, dest, actor.getCell(), true); //Rebuild path, in case the target has moved
             mPrevDest = dest;
         }
 
@@ -133,3 +113,27 @@ bool MWMechanics::AiPackage::isTargetMagicallyHidden(const MWWorld::Ptr& target)
     return (magicEffects.get(ESM::MagicEffect::Invisibility).getMagnitude() > 0)
         || (magicEffects.get(ESM::MagicEffect::Chameleon).getMagnitude() > 75);
 }
+
+bool MWMechanics::AiPackage::isNearInactiveCell(const ESM::Position& actorPos)
+{
+    const ESM::Cell* playerCell(getPlayer().getCell()->getCell());
+    if (playerCell->isExterior())
+    {
+        // get actor's distance from origin of center cell
+        osg::Vec3f actorOffset(actorPos.asVec3());
+        CoordinateConverter(playerCell).toLocal(actorOffset);
+
+        // currently assumes 3 x 3 grid for exterior cells, with player at center cell.
+        // ToDo: (Maybe) use "exterior cell load distance" setting to get count of actual active cells
+        // While AI Process distance is 7168, AI shuts down actors before they reach edges of 3 x 3 grid.
+        const float distanceFromEdge = 200.0;
+        float minThreshold = (-1.0f * ESM::Land::REAL_SIZE) + distanceFromEdge;
+        float maxThreshold = (2.0f * ESM::Land::REAL_SIZE) - distanceFromEdge;
+        return (actorOffset[0] < minThreshold) || (maxThreshold < actorOffset[0])
+            || (actorOffset[1] < minThreshold) || (maxThreshold < actorOffset[1]);
+    }
+    else
+    {
+        return false;
+    }
+}

apps/openmw/mwmechanics/aipackage.hpp

@@ -88,6 +88,7 @@ namespace MWMechanics
 
         private:
             void evadeObstacles(const MWWorld::Ptr& actor, float duration, ESM::Position& pos);
+            bool isNearInactiveCell(const ESM::Position& actorPos);
 
     };
 }

apps/openmw/mwmechanics/aiwander.cpp

@@ -588,7 +588,7 @@ namespace MWMechanics
 
     void AiWander::ToWorldCoordinates(ESM::Pathgrid::Point& point, const ESM::Cell * cell)
     {
-        CoordinateConverter(cell).ToWorld(point);
+        CoordinateConverter(cell).toWorld(point);
     }
 
     void AiWander::trimAllowedNodes(std::vector<ESM::Pathgrid::Point>& nodes,
@@ -746,7 +746,7 @@ namespace MWMechanics
         {
             // get NPC's position in local (i.e. cell) co-ordinates
             osg::Vec3f npcPos(mInitialActorPosition);
-            CoordinateConverter(cell).ToLocal(npcPos);
+            CoordinateConverter(cell).toLocal(npcPos);
 
             // mAllowedNodes for this actor with pathgrid point indexes based on mDistance
             // NOTE: mPoints and mAllowedNodes are in local co-ordinates

apps/openmw/mwmechanics/coordinateconverter.cpp

@@ -15,25 +15,25 @@ namespace MWMechanics
         }
     }
 
-    void CoordinateConverter::ToWorld(ESM::Pathgrid::Point& point)
+    void CoordinateConverter::toWorld(ESM::Pathgrid::Point& point)
     {
         point.mX += mCellX;
         point.mY += mCellY;
     }
 
-    void CoordinateConverter::ToWorld(osg::Vec3f& point)
+    void CoordinateConverter::toWorld(osg::Vec3f& point)
     {
         point.x() += static_cast<float>(mCellX);
         point.y() += static_cast<float>(mCellY);
     }
 
-    void CoordinateConverter::ToLocal(osg::Vec3f& point)
+    void CoordinateConverter::toLocal(osg::Vec3f& point)
     {
         point.x() -= static_cast<float>(mCellX);
         point.y() -= static_cast<float>(mCellY);
     }
 
-    osg::Vec3f CoordinateConverter::ToLocalVec3(const ESM::Pathgrid::Point& point)
+    osg::Vec3f CoordinateConverter::toLocalVec3(const ESM::Pathgrid::Point& point)
     {
         return osg::Vec3f(
             static_cast<float>(point.mX - mCellX),

apps/openmw/mwmechanics/coordinateconverter.hpp

@@ -18,15 +18,15 @@ namespace MWMechanics
             CoordinateConverter(const ESM::Cell* cell);
 
             /// in-place conversion from local to world
-            void ToWorld(ESM::Pathgrid::Point& point);
+            void toWorld(ESM::Pathgrid::Point& point);
 
             /// in-place conversion from local to world
-            void ToWorld(osg::Vec3f& point);
+            void toWorld(osg::Vec3f& point);
 
             /// in-place conversion from world to local
-            void ToLocal(osg::Vec3f& point);
+            void toLocal(osg::Vec3f& point);
 
-            osg::Vec3f ToLocalVec3(const ESM::Pathgrid::Point& point);
+            osg::Vec3f toLocalVec3(const ESM::Pathgrid::Point& point);
 
         private:
             int mCellX;

apps/openmw/mwmechanics/mechanicsmanagerimp.cpp

@@ -927,7 +927,7 @@ namespace MWMechanics
             return true;
         }
 
-        if(MWBase::Environment::get().getWorld()->getPlayer().isInCombat()) {
+        if(MWMechanics::isPlayerInCombat()) {
             MWBase::Environment::get().getWindowManager()->messageBox("#{sNotifyMessage2}");
             return true;
         }

apps/openmw/mwmechanics/pathfinding.cpp

@@ -207,10 +207,10 @@ namespace MWMechanics
         //       outside an area enclosed by walls, but there is a pathgrid
         //       point right behind the wall that is closer than any pathgrid
         //       point outside the wall
-        osg::Vec3f startPointInLocalCoords(converter.ToLocalVec3(startPoint));
+        osg::Vec3f startPointInLocalCoords(converter.toLocalVec3(startPoint));
         int startNode = getClosestPoint(mPathgrid, startPointInLocalCoords);
 
-        osg::Vec3f endPointInLocalCoords(converter.ToLocalVec3(endPoint));
+        osg::Vec3f endPointInLocalCoords(converter.toLocalVec3(endPoint));
         std::pair<int, bool> endNode = getClosestReachablePoint(mPathgrid, cell,
             endPointInLocalCoords,
                 startNode);
@@ -223,7 +223,7 @@ namespace MWMechanics
         if(startNode == endNode.first)
         {
             ESM::Pathgrid::Point temp(mPathgrid->mPoints[startNode]);
-            converter.ToWorld(temp);
+            converter.toWorld(temp);
             mPath.push_back(temp);
         }
         else
@@ -233,7 +233,7 @@ namespace MWMechanics
             // convert supplied path to world co-ordinates
             for (std::list<ESM::Pathgrid::Point>::iterator iter(mPath.begin()); iter != mPath.end(); ++iter)
             {
-                converter.ToWorld(*iter);
+                converter.toWorld(*iter);
             }
         }
 

apps/openmw/mwrender/pathgrid.cpp

@@ -208,7 +208,7 @@ void Pathgrid::enableCellPathgrid(const MWWorld::CellStore *store)
     if (!pathgrid) return;
 
     osg::Vec3f cellPathGridPos(0, 0, 0);
-    MWMechanics::CoordinateConverter(store->getCell()).ToWorld(cellPathGridPos);
+    MWMechanics::CoordinateConverter(store->getCell()).toWorld(cellPathGridPos);
 
     osg::ref_ptr<osg::PositionAttitudeTransform> cellPathGrid = new osg::PositionAttitudeTransform;
     cellPathGrid->setPosition(cellPathGridPos);

apps/openmw/mwworld/actionalchemy.cpp

@@ -5,15 +5,16 @@
 #include "../mwbase/world.hpp"
 
 #include "../mwworld/player.hpp"
+#include "../mwmechanics/actorutil.hpp"
 
 namespace MWWorld
 {
     void ActionAlchemy::executeImp (const Ptr& actor)
     {
-        if (actor != MWBase::Environment::get().getWorld()->getPlayerPtr())
+        if (actor != MWMechanics::getPlayer())
             return;
 
-        if(MWBase::Environment::get().getWorld()->getPlayer().isInCombat()) { //Ensure we're not in combat
+        if(MWMechanics::isPlayerInCombat()) { //Ensure we're not in combat
             MWBase::Environment::get().getWindowManager()->messageBox("#{sInventoryMessage3}");
             return;
         }

apps/openmw/mwworld/actionapply.cpp

@@ -7,6 +7,8 @@
 
 #include "../mwworld/containerstore.hpp"
 
+#include "../mwmechanics/actorutil.hpp"
+
 namespace MWWorld
 {
     ActionApply::ActionApply (const Ptr& object, const std::string& id)
@@ -32,7 +34,7 @@ namespace MWWorld
     {
         MWBase::Environment::get().getWorld()->breakInvisibility(actor);
 
-        if (actor.getClass().apply (actor, mId, actor) && mUsageType!=-1 && actor == MWBase::Environment::get().getWorld()->getPlayerPtr())
+        if (actor.getClass().apply (actor, mId, actor) && mUsageType!=-1 && actor == MWMechanics::getPlayer())
             actor.getClass().skillUsageSucceeded (actor, mSkillIndex, mUsageType);
 
         actor.getClass().getContainerStore(actor).remove(getTarget(), 1, actor);

apps/openmw/mwworld/actioneat.cpp

@@ -7,6 +7,8 @@
 
 #include "../mwworld/containerstore.hpp"
 
+#include "../mwmechanics/actorutil.hpp"
+
 #include "class.hpp"
 
 namespace MWWorld
@@ -19,7 +21,7 @@ namespace MWWorld
         // apply to actor
         std::string id = getTarget().getClass().getId (getTarget());
 
-        if (actor.getClass().apply (actor, id, actor) && actor == MWBase::Environment::get().getWorld()->getPlayerPtr())
+        if (actor.getClass().apply (actor, id, actor) && actor == MWMechanics::getPlayer())
             actor.getClass().skillUsageSucceeded (actor, ESM::Skill::Alchemy, 1);
     }
 

apps/openmw/mwworld/actionread.cpp

@@ -5,6 +5,7 @@
 #include "../mwbase/world.hpp"
 
 #include "../mwmechanics/npcstats.hpp"
+#include "../mwmechanics/actorutil.hpp"
 
 #include "player.hpp"
 #include "class.hpp"
@@ -18,11 +19,11 @@ namespace MWWorld
 
     void ActionRead::executeImp (const MWWorld::Ptr& actor) {
 
-        if (actor != MWBase::Environment::get().getWorld()->getPlayerPtr())
+        if (actor != MWMechanics::getPlayer())
             return;
 
         //Ensure we're not in combat
-        if(MWBase::Environment::get().getWorld()->getPlayer().isInCombat()
+        if(MWMechanics::isPlayerInCombat()
                 // Reading in combat is still allowed if the scroll/book is not in the player inventory yet
                 // (since otherwise, there would be no way to pick it up)
                 && getTarget().getContainerStore() == &actor.getClass().getContainerStore(actor)

apps/openmw/mwworld/actionrepair.cpp

@@ -4,6 +4,7 @@
 #include "../mwbase/windowmanager.hpp"
 #include "../mwbase/world.hpp"
 #include "../mwworld/player.hpp"
+#include "../mwmechanics/actorutil.hpp"
 
 namespace MWWorld
 {
@@ -14,10 +15,10 @@ namespace MWWorld
 
     void ActionRepair::executeImp (const Ptr& actor)
     {
-        if (actor != MWBase::Environment::get().getWorld()->getPlayerPtr())
+        if (actor != MWMechanics::getPlayer())
             return;
 
-        if(MWBase::Environment::get().getWorld()->getPlayer().isInCombat()) {
+        if(MWMechanics::isPlayerInCombat()) {
             MWBase::Environment::get().getWindowManager()->messageBox("#{sInventoryMessage2}");
             return;
         }

apps/openmw/mwworld/actionsoulgem.cpp

@@ -4,6 +4,7 @@
 #include "../mwbase/environment.hpp"
 #include "../mwbase/world.hpp"
 #include "../mwworld/player.hpp"
+#include "../mwmechanics/actorutil.hpp"
 
 namespace MWWorld
 {
@@ -16,10 +17,10 @@ namespace MWWorld
 
     void ActionSoulgem::executeImp(const Ptr &actor)
     {
-        if (actor != MWBase::Environment::get().getWorld()->getPlayerPtr())
+        if (actor != MWMechanics::getPlayer())
             return;
 
-        if(MWBase::Environment::get().getWorld()->getPlayer().isInCombat()) { //Ensure we're not in combat
+        if(MWMechanics::isPlayerInCombat()) { //Ensure we're not in combat
             MWBase::Environment::get().getWindowManager()->messageBox("#{sInventoryMessage5}");
             return;
         }