fix object placing

apps/openmw/mwworld/physicssystem.cpp

@@ -366,13 +366,15 @@ namespace MWWorld
         addActor (node->getName(), model, node->getPosition());
     }
 
-    float PhysicsSystem::getObjectHeight(const MWWorld::Ptr &ptr)
+    bool PhysicsSystem::getObjectAABB(const MWWorld::Ptr &ptr, float *min, float *max)
     {
         std::string model = MWWorld::Class::get(ptr).getModel(ptr);
         if (model.empty()) {
-            return 0.0;
+            return false;
         }
         float scale = ptr.getRefData().getBaseNode()->getScale().x;
-        return mEngine->getObjectHeight(model, scale);
+        mEngine->getObjectAABB(model, scale, min, max);
+
+        return true;
     }
 }

apps/openmw/mwworld/physicssystem.hpp

@@ -65,7 +65,7 @@ namespace MWWorld
 
             void setCurrentWater(bool hasWater, int waterHeight);
 
-            float getObjectHeight(const MWWorld::Ptr &ptr);
+            bool getObjectAABB(const MWWorld::Ptr &ptr, float *min, float *max);
 
         private:
             OEngine::Render::OgreRenderer &mRender;

apps/openmw/mwworld/scene.cpp

@@ -337,7 +337,12 @@ namespace MWWorld
         mRendering.addObject (ptr);
 
         float *pos = ptr.getRefData().getPosition().pos;
-        pos[2] += mPhysics->getObjectHeight(ptr) / 2;
+        float min[3], max[3];
+        if (mPhysics->getObjectAABB(ptr, min, max)) {
+            pos[0] -= (min[0] + max[0]) / 2;
+            pos[1] -= (min[1] + max[1]) / 2;
+            pos[2] -= min[2];
+        }
 
         ptr.getRefData().getBaseNode()->setPosition(pos[0], pos[1], pos[2]);
 

libs/openengine/bullet/physic.cpp

@@ -12,6 +12,8 @@
 
 #include <boost/lexical_cast.hpp>
 
+#include <stdio.h>
+
 #define BIT(x) (1<<(x))
 
 namespace OEngine {
@@ -569,7 +571,8 @@ namespace Physic
         return results2;
     }
 
-    float PhysicEngine::getObjectHeight(const std::string &mesh, float scale) {
+    void PhysicEngine::getObjectAABB(const std::string &mesh, float scale, float *min, float *max)
+    {
         char uniqueID[8];
         sprintf( uniqueID, "%07.3f", scale );
         std::string sid = uniqueID;
@@ -582,11 +585,17 @@ namespace Physic
 
         
         btTransform trans;
-        btVector3 min, max;
+        btVector3 btmin, btmax;
 
         trans.setIdentity();
-        shape->Shape->getAabb(trans, min, max);
+        shape->Shape->getAabb(trans, btmin, btmax);
+
+        min[0] = btmin.x();
+        min[1] = btmin.y();
+        min[2] = btmin.z();
 
-        return max.z() - min.z();
+        max[0] = btmax.x();
+        max[1] = btmax.y();
+        max[2] = btmax.z();
     }
 }};

libs/openengine/bullet/physic.hpp

@@ -221,7 +221,7 @@ namespace Physic
 
         bool toggleDebugRendering();
 
-        float getObjectHeight(const std::string &mesh, float scale);
+        void getObjectAABB(const std::string &mesh, float scale, float *min, float *max);
 
         /**
          * Return the closest object hit by a ray. If there are no objects, it will return ("",-1).