Changeset 9896 in orxonox.OLD for branches/coll_rect/src/lib/collision_reaction/collision_filter.cc

Timestamp:

Oct 20, 2006, 1:09:03 AM (18 years ago)

Author:

patrick

Message:

more design, thinner interface

File:

• branches/coll_rect/src/lib/collision_reaction/collision_filter.cc (modified) (3 diffs)

branches/coll_rect/src/lib/collision_reaction/collision_filter.cc

@@ -29 +29 @@
 #include "debug.h"
 
+#include <vector>
+
+
 namespace CoRe
 {
@@ -38 +41 @@
    * @todo this constructor is not jet implemented - do it
   */
-  CollisionFilter::CollisionFilter (WorldEntity* owner, CREngine::ReactionType type)
+  CollisionFilter::CollisionFilter (WorldEntity* owner)
   {
     this->registerObject(this, CollisionFilter::_objectList);
 
-    this->owner = owner;
-    this->type = type;
+    this->_owner = owner;
 
-    this->bCollided = false;
-    this->bDispatched = true;
-
-    this->collisionReaction = NULL;
-    this->bContinuousPoll = false;
-    this->bStopOnFirstCollision = false;
-
-
-    switch( type)
-    {
-        case CREngine::CR_PHYSICS_FULL_WALK:
-        this->collisionReaction = new CRPhysicsFullWalk();
-        this->bContinuousPoll = true;
-        break;
-        case CREngine::CR_PHYSICS_GROUND_WALK:
-        this->collisionReaction = new CRPhysicsGroundWalk();
-        this->bContinuousPoll = true;
-        break;
-        case CREngine::CR_OBJECT_DAMAGE:
-        this->collisionReaction = new CRObjectDamage();
-        this->bStopOnFirstCollision = true;
-        break;
-        default:
-        break;
-    };
+    this->_bContinuousPoll = false;
+    this->_bStopOnFirstCollision = false;
+    this->_bReactive = false;
   }
 
@@ -78 +58 @@
   CollisionFilter::~CollisionFilter ()
   {
-    // delete what has to be deleted here
-    if( this->collisionReaction != NULL)
-      delete this->collisionReaction;
-  }
-
-  /**
-   * restores the CollisionFilter to its initial state
-   */
-  void CollisionFilter::reset()
-  {
-    this->flushCollisions();
+    this->unsubscribeReactions();
   }
 
 
   /**
-   * add more filter targets to this collision handle
-   *  @param classID the classid to look for
+   * subscribe reaction
    */
-  void CollisionFilter::addTarget(const ClassID& target)
+  void CollisionFilter::subscribeReaction(CoRe::CREngine::ReactionType type, const ClassID& target1)
   {
-    // make sure there is no dublicate
-    std::vector<ClassID>::iterator it = this->targetList.begin();
-    for( ; it < this->targetList.end(); it++)
-      if( (*it) == target)
-        return;
+    // check if its a valid type
+    if( likely(this->validCRType( type)))
+    {
+      //check if this or any parent class isn't already registered
+      std::vector<ClassID>::iterator it = this->_filters[type].begin();
+      for(; it != this->_filters[type].end(); it++)
+      {
+        if( unlikely(*it == target1))
+          return;
+      }
 
-
-    // add element
-    this->targetList.push_back(target);
-    PRINTF(5)("addTarget: %i \n", target.id());
+      // so subscribe the reaction finaly
+      this->_filters[type].push_back(target1);
+      this->_bReactive = true;
+    }
   }
 
 
   /**
-   * handles the collisions and react according to algorithm
+   * subscribe for a reaction
    */
-  void CollisionFilter::handleCollisions()
+  void CollisionFilter::subscribeReaction(CoRe::CREngine::ReactionType type, const ClassID& target1, const ClassID& target2)
   {
-    // if continuous poll the reaction
-    if( this->bContinuousPoll && !this->bCollided)
-    {
-      this->collisionReaction->update(this->owner);
-      return;
-    }
-
-    // collision reaction calculations (for every collision there will be a reaction)
-    std::vector<Collision*>::iterator it = this->collisionList.begin();
-    for(; it < this->collisionList.end(); it++)
-    {
-      if( !(*it)->isDispatched())
-      {
-        this->collisionReaction->reactToCollision(*it);
-        (*it)->flushCollisionEvents();
-      }
-    }
-
-    // now set state to dispatched
-    this->bDispatched = true;
-    this->bCollided = false;
-
-    this->flushCollisions();
+    this->subscribeReaction(type, target1);
+    this->subscribeReaction(type, target2);
   }
 
 
   /**
-   * filter out the CollisionEvents that are not wanted
-   *  @param collisionEvent the collision event to filter
+   * subscribe for a reaction
    */
-  bool CollisionFilter::filterCollisionEvent(CollisionEvent* collisionEvent)
+  void CollisionFilter::subscribeReaction(CoRe::CREngine::ReactionType type, const ClassID& target1, const ClassID& target2, const ClassID& target3)
   {
-    std::vector<ClassID>::iterator it = this->targetList.begin();
-    for(; it < this->targetList.end(); it++)
-    {
-      //     if(collisionEvent->getEntityB()->isA(CL_AIMING_SYSTEM) || collisionEvent->getEntityA()->isA(CL_AIMING_SYSTEM))
-      //     {
-      //        PRINTF(0)("I am: %s colliding with: %s\n", owner->getClassCName(), collisionEvent->getEntityB()->getClassCName(), *it);
-      //        if( collisionEvent->getEntityA() == this->owner) {
-      //          PRINTF(0)("I am owner -> I am: %s colliding with: %s is a %i filter?\n", owner->getClassCName(),
-      //          collisionEvent->getEntityB()->getClassCName(), *it);
-      //          if( collisionEvent->getEntityB()->isA((ClassID)(*it))) {
-      //            PRINTF(0)("I am owner -> I am: %s colliding with: %s is a %i filter ok\n", owner->getClassCName(),
-      //            collisionEvent->getEntityB()->getClassCName(), *it);
-      //             }
-      //        }
-      //        else {
-      //          PRINTF(0)("I am not owner -> I am: %s colliding with: %s is a %i filter?\n", owner->getClassCName(),
-      //          collisionEvent->getEntityB()->getClassCName(), *it);
-      //          if( collisionEvent->getEntityA()->isA((ClassID)(*it))) {
-      //            PRINTF(0)("I'm not owner -> I am: %s colliding with: %s is a %i filter ok\n", owner->getClassCName(),
-      //            collisionEvent->getEntityA()->getClassCName(), *it);
-      //             }
-      //        }
-      //
-      //     }
+    this->subscribeReaction(type, target1);
+    this->subscribeReaction(type, target2);
+    this->subscribeReaction(type, target3);
+  }
 
-      if( collisionEvent->getEntityA() == this->owner)
-      {
-        if( collisionEvent->getEntityB()->isA((*it)))
-        {
-          PRINTF(5)("I am: %s colliding with: %s is a %i filter ok\n", owner->getClassCName(),
-                    collisionEvent->getEntityB()->getClassCName(), (*it).id());
-          return true;
-        }
-      }
-      else
-      {
-        if( collisionEvent->getEntityA()->isA((*it)))
-        {
-          PRINTF(5)("I am: %s colliding with: %s is a %i filter ok\n", owner->getClassCName(),
-                    collisionEvent->getEntityA()->getClassCName(), (*it).id());
-          return true;
-        }
-      }
-    }
+  /**
+   * unsubscribe from a specific collision reaction
+   */
+  void CollisionFilter::unsubscribeReaction(CoRe::CREngine::ReactionType type)
+  {
+    if( likely(this->validCRType( type)))
+      this->_filters[type].clear();
+  }
 
-    return false;
+  /**
+   * unsubscribe from all collision reactions
+   */
+  void CollisionFilter::unsubscribeReactions()
+  {
+    for(int i = 0; i < CREngine::CR_NUMBER; i++)
+      this->_filters[i].clear();
   }
 
 
+
   /**
-   * filter Collisions that are not wanted to be reacted to
-   *  @param collision the collision object to filter
+   * tests if the owner WorldEntity is listening to collisions from another specif WorldEntity entity
+   *  @param entity WorldEntity to test against
+   *
+   * This is the most important interface function of this class: it performs a check and returns true
+   * if the WorldEntity entity is actualy responsive for a certain other WorldEntity
    */
-  bool CollisionFilter::filterCollision(Collision* collision)
+  bool CollisionFilter::operator()(const WorldEntity* entity) const
   {
-    std::vector<ClassID>::iterator it = this->targetList.begin();
-    for(; it < this->targetList.end(); it++)
+    // if there are no installed criterions just ommit and
+    if( this->bReactive())
+      return false;
+
+    // goes through all registered filter criterions and looks for matches
+    for( int i = 0; i < CREngine::CR_NUMBER; i++ )
     {
-
-      //     if(collision->getEntityB()->isA(CL_AIMING_SYSTEM) || collision->getEntityA()->isA(CL_AIMING_SYSTEM))
-      //     {
-      //       PRINTF(0)("Shared!!! I am: %s colliding with: %s\n", owner->getClassCName(), collision->getEntityB()->getClassCName(), *it);
-      //       if( collision->getEntityA() == this->owner) {
-      //         PRINTF(0)("I am owner -> I am: %s colliding with: %s is a %i filter?\n", owner->getClassCName(),
-      //         collision->getEntityB()->getClassCName(), *it);
-      //         if( collision->getEntityB()->isA((ClassID)(*it))) {
-      //           PRINTF(0)("I am owner -> I am: %s colliding with: %s is a %i filter ok\n", owner->getClassCName(),
-      //           collision->getEntityB()->getClassCName(), *it);
-      //         }
-      //       }
-      //       else {
-      //         PRINTF(0)("I'm not owner -> I am: %s colliding with: %s is a %i filter?\n", owner->getClassCName(),
-      //         collision->getEntityB()->getClassCName(), *it);
-      //         if( collision->getEntityA()->isA((ClassID)(*it))) {
-      //           PRINTF(0)("I'm not owner -> I am: %s colliding with: %s is a %i filter ok\n", owner->getClassCName(),
-      //           collision->getEntityA()->getClassCName(), *it);
-      //         }
-      //       }
-      //     }
-
-      if( collision->getEntityA() == this->owner)
-      {
-        if( collision->getEntityA()->isA(*it))
+      std::vector<ClassID>::const_iterator it = this->_filters[i].begin();
+      for(; it != this->_filters[i].end(); i++ )
+        if( unlikely(entity->isA(*it)))
           return true;
-      }
-      else
-      {
-        if( collision->getEntityB()->isA(*it))
-          return true;
-      }
     }