source: trunk/VUT/Ogre/src/OgreSceneNodeHierarchyInterface.cpp @ 112

Revision 112, 4.4 KB checked in by mattausch, 20 years ago (diff)
RevLine 
[59]1#include "OgreSceneNodeHierarchyInterface.h"
2#include <OgreIteratorWrappers.h>
3#include <OgreCamera.h>
4#include <OgreSceneNode.h>
5
6namespace Ogre {
7
8//-----------------------------------------------------------------------
9SceneNodeHierarchyInterface::SceneNodeHierarchyInterface(SceneManager *sm, RenderSystem *rsys):
10PlatformHierarchyInterface(sm, rsys)
11{               
12}
13//-----------------------------------------------------------------------
14void SceneNodeHierarchyInterface::TraverseNode(GtpVisibility::HierarchyNode *node)
15{
16        mNumTraversedNodes ++;
17       
18        SceneNode *sceneNode = static_cast<SceneNode *>(node);
19
20        if (HasGeometry(node))
21        {
22                RenderNode(node);
23        }
24
25        // internal node: add children to priority queue for further processing
26        Node::ChildNodeIterator it = sceneNode->getChildIterator();
27                               
28        while (it.hasMoreElements())                   
29        {
30                mDistanceQueue->push(it.getNext());
31        }
32}
33//-----------------------------------------------------------------------
34void SceneNodeHierarchyInterface::RenderNode(GtpVisibility::HierarchyNode *node)
35{
36#ifdef GTP_VISIBILITY_MODIFIED_OGRE
37        SceneNode *sceneNode = static_cast<SceneNode *>(node);
38
39        if (sceneNode->lastRendered() != sceneNode->lastVisited())
40        {
41                sceneNode->setLastRendered(sceneNode->lastVisited());
42                mNumRenderedNodes ++;
43
44                mSceneManager->_renderSceneNode(mCamera, sceneNode);
45        }
46#endif
47}
48//-----------------------------------------------------------------------
[74]49bool SceneNodeHierarchyInterface::IsLeaf(GtpVisibility::HierarchyNode *node) const
[59]50{
51        return (static_cast<SceneNode *>(node)->numChildren() == 0);
52}
53//-----------------------------------------------------------------------
[74]54bool SceneNodeHierarchyInterface::HasGeometry(GtpVisibility::HierarchyNode *node) const
[59]55{
[87]56        return static_cast<SceneNode *>(node)->numAttachedObjects() > 0;
[59]57}
58//-----------------------------------------------------------------------
59void SceneNodeHierarchyInterface::PullUpVisibility(GtpVisibility::HierarchyNode *node)
60{
61#ifdef GTP_VISIBILITY_MODIFIED_OGRE
62        SceneNode *sceneNode = static_cast<SceneNode *>(node);
63
[100]64        while (sceneNode && !sceneNode->isNodeVisible())
[59]65        {
66                sceneNode->setNodeVisible(true);
67                sceneNode = sceneNode->getParentSceneNode();
68        }
69#endif
70}
71//-----------------------------------------------------------------------
[87]72float SceneNodeHierarchyInterface::GetSquaredDistance(GtpVisibility::HierarchyNode *node) const
[59]73{
[87]74        return static_cast<SceneNode *>(node)->getSquaredViewDepth(mCamera);
[59]75}
76//-----------------------------------------------------------------------
77void SceneNodeHierarchyInterface::SetNodeVisible(GtpVisibility::HierarchyNode *node,
78                                                                                                 const bool visible)
79{
80#ifdef GTP_VISIBILITY_MODIFIED_OGRE
81        SceneNode *sceneNode = static_cast<SceneNode *>(node);
82        sceneNode->setNodeVisible(visible);
83#endif
84}
85//-----------------------------------------------------------------------
[74]86void SceneNodeHierarchyInterface::SetLastVisited(GtpVisibility::HierarchyNode *node,
87                                                                                                 const unsigned int frameId)
[59]88{
89#ifdef GTP_VISIBILITY_MODIFIED_OGRE
90        SceneNode *sceneNode = static_cast<SceneNode *>(node);
91        sceneNode->setLastVisited(frameId);
92#endif
93}
94//-----------------------------------------------------------------------
[74]95bool SceneNodeHierarchyInterface::IsNodeVisible(GtpVisibility::HierarchyNode *node) const
[59]96{
97#ifdef GTP_VISIBILITY_MODIFIED_OGRE
98        SceneNode *sceneNode = static_cast<SceneNode *>(node);
99        return sceneNode->isNodeVisible();
100#else
101        return true;
102#endif
103}
104//-----------------------------------------------------------------------
[74]105unsigned int SceneNodeHierarchyInterface::LastVisited(GtpVisibility::HierarchyNode *node) const
[59]106{
107#ifdef GTP_VISIBILITY_MODIFIED_OGRE
108        SceneNode *sceneNode = static_cast<SceneNode *>(node);
109        return sceneNode->lastVisited();
110#else
111        return 0;
112#endif
113}
114//-----------------------------------------------------------------------
115AxisAlignedBox *SceneNodeHierarchyInterface::GetBoundingBox(GtpVisibility::HierarchyNode *node)
116{
[103]117        // only create renderable bounding box for new node
[100]118        if (node != mPreviousNode)
[85]119        {
120                mPreviousNode = node;
121                mBox = static_cast<SceneNode *>(node)->_getWorldAABB();
122        }
123
[59]124        return &mBox;
125}
[112]126//-----------------------------------------------------------------------
127void SceneNodeHierarchyInterface::VisualizeCulledNode(GtpVisibility::HierarchyNode *node,
128                                                                                                          GtpVisibility::CullingType type)
129{
130        // TODO
131}
[59]132} // namespace Ogre     
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