-/*******************************************************************************
-
- Copyright (c) 2009, Charles McGarvey
- All rights reserved.
-
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions are met:
-
- * Redistributions of source code must retain the above copyright notice,
- this list of conditions and the following disclaimer.
- * Redistributions in binary form must reproduce the above copyright notice,
- this list of conditions and the following disclaimer in the documentation
- and/or other materials provided with the distribution.
-
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-*******************************************************************************/
+/*] Copyright (c) 2009-2010, Charles McGarvey [**************************
+**] All rights reserved.
+*
+* vi:ts=4 sw=4 tw=75
+*
+* Distributable under the terms and conditions of the 2-clause BSD license;
+* see the file COPYING for a complete text of the license.
+*
+**************************************************************************/
#ifndef _MOOF_OCTREE_HH_
#define _MOOF_OCTREE_HH_
#include <list>
#include <boost/shared_ptr.hpp>
-
#include <stlplus/ntree.hpp>
#include <Moof/Aabb.hh>
{
virtual ~OctreeInsertable() {}
- virtual bool isInsideAabb(const Aabb& aabb) const = 0;
- virtual int getOctant(const Aabb& aabb) const = 0;
+ virtual int getOctant(const Aabb<3>& aabb) const = 0;
};
{
std::list<InsertableP> objects;
- Aabb aabb;
- Sphere sphere;
-
- Node(const Aabb& box) :
- aabb(box)
+ Node(const Aabb<3>& aabb)
{
- sphere.point = aabb.getCenter();
- sphere.radius = (aabb.min - sphere.point).length();
+ mAabb = aabb;
+ mSphere.point = mAabb.getCenter();
+ mSphere.radius = (mAabb.min - mSphere.point).length();
}
void draw(Scalar alpha) const
{
- aabb.draw(alpha);
- }
-
- void drawIfVisible(Scalar alpha, const Frustum& frustum) const
- {
- if (isVisible(frustum))
- {
- aabb.draw(alpha);
- }
+ mAabb.draw(alpha);
}
void printSize()
{
- logDebug("size of node %d", objects.size());
+ logInfo << "size of node " << objects.size() << std::endl;
}
void getAll(std::list<InsertableP>& insertables) const
if ((*it)->isVisible(frustum)) insertables.push_back(*it);
}
}
-
-
- bool isVisible(const Frustum& frustum) const
- {
- if (sphere.isVisible(frustum))
- {
- return aabb.isVisible(frustum);
- }
-
- return false;
- }
};
ASSERT(node.valid() && "invalid node passed");
ASSERT(entity && "null entity passed");
- if (entity->isInsideAabb(node->aabb))
+ Aabb<3> entityAabb = entity->getAabb();
+ Aabb<3> nodeAabb = node->getAabb();
+
+ if (!(entityAabb.max[0] < nodeAabb.max[0] &&
+ entityAabb.min[0] > nodeAabb.min[0] &&
+ entityAabb.max[1] < nodeAabb.max[1] &&
+ entityAabb.min[1] > nodeAabb.min[1] &&
+ entityAabb.max[2] < nodeAabb.max[2] &&
+ entityAabb.min[2] > nodeAabb.min[2]))
{
- return insert_recurse(entity, node);
+ node->objects.push_back(entity);
+ return node;
}
else
{
- node->objects.push_back(entity);
- return node;
+ return insert_recurse(entity, node);
}
}
ASSERT(node.valid() && "invalid node passed");
ASSERT(entity && "null entity passed");
- int octantNum = entity->getOctant(node->aabb);
+ int octantNum = entity->getOctant(node->getAabb());
if (octantNum == -1)
{
node->objects.push_back(entity);
}
else
{
- if ((int)tree_.children(node) <= octantNum)
+ if ((int)mTree.children(node) <= octantNum)
{
addChild(node, octantNum);
}
- NodeP child = tree_.child(node, octantNum);
+ NodeP child = mTree.child(node, octantNum);
ASSERT(child.valid() && "expected valid child node");
return insert_recurse(entity, child);
{
ASSERT(node.valid() && "invalid node passed");
- Aabb octant;
+ Aabb<3> octant;
- for (int i = tree_.children(node); i <= index; ++i)
+ for (int i = mTree.children(node); i <= index; ++i)
{
- node->aabb.getOctant(octant, i);
- tree_.append(node, octant);
+ node->getAabb().getOctant(octant, i);
+ mTree.append(node, octant);
}
}
node->printSize();
- int octantNum = entity.getOctant(node->aabb);
+ int octantNum = entity.getOctant(node->getAabb());
if (octantNum != -1)
{
node->getAll(insertables);
- if (octantNum < (int)tree_.children(node))
+ if (octantNum < (int)mTree.children(node))
{
- NodeP child = tree_.child(node, octantNum);
+ NodeP child = mTree.child(node, octantNum);
ASSERT(child.valid() && "expected valid child node");
getNearbyObjects(insertables, entity, child);
}
else
{
- logDebug("getting all the rest...");
+ logInfo("getting all the rest...");
getAll(insertables, node);
}
}
node->getAll(insertables);
- for (unsigned i = 0; i < tree_.children(node); ++i)
+ for (unsigned i = 0; i < mTree.children(node); ++i)
{
- NodeP child = tree_.child(node, i);
+ NodeP child = mTree.child(node, i);
ASSERT(child.valid() && "expected valid child node");
getAll(insertables, child);
ASSERT(node.valid() && "invalid node passed");
// try to cull by sphere
- Frustum::Collision collision = frustum.contains(node->sphere);
+ Frustum::Collision collision = frustum.contains(node->getSphere());
if (collision == Frustum::OUTSIDE) return;
// try to cull by aabb
- collision = frustum.contains(node->aabb);
+ collision = frustum.contains(node->getAabb());
if (collision == Frustum::OUTSIDE) return;
node->getIfVisible(insertables, frustum);
}
- if (tree_.children(node) > 0)
+ if (mTree.children(node) > 0)
{
if (collision == Frustum::INSIDE)
{
- for (unsigned i = 0; i < tree_.children(node); ++i)
+ for (unsigned i = 0; i < mTree.children(node); ++i)
{
- NodeP child = tree_.child(node, i);
+ NodeP child = mTree.child(node, i);
ASSERT(child.valid() && "expected valid child node");
getAll(insertables, child);
}
else // collision == Frustum::INTERSECT
{
- for (unsigned i = 0; i < tree_.children(node); ++i)
+ for (unsigned i = 0; i < mTree.children(node); ++i)
{
- NodeP child = tree_.child(node, i);
+ NodeP child = mTree.child(node, i);
ASSERT(child.valid() && "expected valid child node");
getIfVisible(insertables, frustum, child);
}
- mutable stlplus::ntree<Node> tree_;
+ mutable stlplus::ntree<Node> mTree;
public:
void print(NodeP node)
{
logInfo("-----");
- logInfo("depth to node: %d", tree_.depth(node));
- logInfo("size of node: %d", tree_.size(node));
+ logInfo << "depth to node: " << mTree.depth(node) << std::endl;
+ logInfo << "size of node: " << mTree.size(node) << std::endl;
}
static Ptr alloc(const Node& rootNode)
explicit Octree(const Node& rootNode)
{
- tree_.insert(rootNode);
+ mTree.insert(rootNode);
}
NodeP insert(InsertableP entity)
{
- return insert(entity, tree_.root());
+ return insert(entity, mTree.root());
}
void remove(InsertableP entity, NodeP node)
void drawIfVisible(Scalar alpha, const Frustum& frustum) const
{
std::list<InsertableP> objects;
- //getIfVisible(objects, frustum);
- getNearbyObjects(objects, *savedObj);
+ getIfVisible(objects, frustum);
+ //getNearbyObjects(objects, *savedObj);
typename std::list<InsertableP>::const_iterator it;
for (it = objects.begin(); it != objects.end(); ++it)
void getAll(std::list<InsertableP>& insertables) const
{
- getAll(insertables, tree_.root());
+ getAll(insertables, mTree.root());
}
void getIfVisible(std::list<InsertableP>& insertables,
const Frustum& frustum) const
{
- getIfVisible(insertables, frustum, tree_.root());
+ getIfVisible(insertables, frustum, mTree.root());
}
mutable const OctreeInsertable* savedObj;
void getNearbyObjects(std::list<InsertableP>& insertables,
const OctreeInsertable& entity) const
{
- logDebug("--- GETTING NEARBY");
- getNearbyObjects(insertables, entity, tree_.root());
- logDebug("---");
+ logInfo("--- GETTING NEARBY");
+ getNearbyObjects(insertables, entity, mTree.root());
+ logInfo("---");
savedObj = &entity;
}
};
#endif // _MOOF_OCTREE_HH_
-/** vim: set ts=4 sw=4 tw=80: *************************************************/
-
projects / chaz / yoink / blobdiff