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