[692] | 1 | /*
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| 2 | -----------------------------------------------------------------------------
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| 3 | This source file is part of OGRE
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| 4 | (Object-oriented Graphics Rendering Engine)
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| 5 | For the latest info, see http://www.ogre3d.org/
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| 6 |
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| 7 | Copyright (c) 2000-2005 The OGRE Team
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| 8 | Also see acknowledgements in Readme.html
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| 9 |
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| 10 | This program is free software; you can redistribute it and/or modify it under
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| 11 | the terms of the GNU Lesser General Public License as published by the Free Software
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| 12 | Foundation; either version 2 of the License, or (at your option) any later
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| 13 | version.
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| 14 |
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| 15 | This program is distributed in the hope that it will be useful, but WITHOUT
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| 16 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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| 17 | FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
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| 18 |
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| 19 | You should have received a copy of the GNU Lesser General Public License along with
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| 20 | this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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| 21 | Place - Suite 330, Boston, MA 02111-1307, USA, or go to
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| 22 | http://www.gnu.org/copyleft/lesser.txt.
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| 23 | -----------------------------------------------------------------------------
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| 24 | */
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| 25 | #include "OgreStableHeaders.h"
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| 26 |
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| 27 | #include "OgreMovableObject.h"
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| 28 | #include "OgreSceneNode.h"
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| 29 | #include "OgreTagPoint.h"
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| 30 | #include "OgreLight.h"
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| 31 | #include "OgreEntity.h"
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| 32 | #include "OgreRoot.h"
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| 33 | #include "OgreSceneManager.h"
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| 34 | #include "OgreCamera.h"
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| 35 |
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| 36 | namespace Ogre {
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| 37 | //-----------------------------------------------------------------------
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| 38 | //-----------------------------------------------------------------------
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| 39 | uint32 MovableObject::msDefaultQueryFlags = 0xFFFFFFFF;
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| 40 | uint32 MovableObject::msDefaultVisibilityFlags = 0xFFFFFFFF;
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| 41 | //-----------------------------------------------------------------------
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| 42 | MovableObject::MovableObject()
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| 43 | : mCreator(0), mManager(0), mParentNode(0), mParentIsTagPoint(false),
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| 44 | mVisible(true), mUpperDistance(0), mSquaredUpperDistance(0),
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| 45 | mBeyondFarDistance(false), mRenderQueueID(RENDER_QUEUE_MAIN),
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| 46 | mRenderQueueIDSet(false), mQueryFlags(msDefaultQueryFlags),
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| 47 | mVisibilityFlags(msDefaultVisibilityFlags), mCastShadows (true)
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| 48 | {
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| 49 | mWorldAABB.setNull();
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| 50 |
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| 51 | }
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| 52 | //-----------------------------------------------------------------------
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| 53 | MovableObject::MovableObject(const String& name)
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| 54 | : mName(name), mCreator(0), mManager(0), mParentNode(0),
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| 55 | mParentIsTagPoint(false), mVisible(true), mUpperDistance(0),
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| 56 | mSquaredUpperDistance(0),
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| 57 | mBeyondFarDistance(false), mRenderQueueID(RENDER_QUEUE_MAIN),
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| 58 | mRenderQueueIDSet(false), mQueryFlags(msDefaultQueryFlags),
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| 59 | mVisibilityFlags(msDefaultVisibilityFlags),
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| 60 | mCastShadows (true)
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| 61 | {
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| 62 | mWorldAABB.setNull();
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| 63 | }
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| 64 | //-----------------------------------------------------------------------
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| 65 | MovableObject::~MovableObject()
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| 66 | {
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| 67 | if (mParentNode)
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| 68 | {
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| 69 | // detach from parent
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| 70 | if (mParentIsTagPoint)
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| 71 | {
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| 72 | // May be we are a lod entity which not in the parent entity child object list,
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| 73 | // call this method could safely ignore this case.
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| 74 | static_cast<TagPoint*>(mParentNode)->getParentEntity()->detachObjectFromBone(this);
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| 75 | }
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| 76 | else
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| 77 | {
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| 78 | // May be we are a lod entity which not in the parent node child object list,
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| 79 | // call this method could safely ignore this case.
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| 80 | static_cast<SceneNode*>(mParentNode)->detachObject(this);
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| 81 | }
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| 82 | }
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| 83 | }
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| 84 | //-----------------------------------------------------------------------
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| 85 | void MovableObject::_notifyAttached(Node* parent, bool isTagPoint)
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| 86 | {
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| 87 | mParentNode = parent;
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| 88 | mParentIsTagPoint = isTagPoint;
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| 89 | }
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| 90 | //-----------------------------------------------------------------------
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| 91 | Node* MovableObject::getParentNode(void) const
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| 92 | {
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| 93 | return mParentNode;
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| 94 | }
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| 95 | //-----------------------------------------------------------------------
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| 96 | SceneNode* MovableObject::getParentSceneNode(void) const
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| 97 | {
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| 98 | if (mParentIsTagPoint)
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| 99 | {
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| 100 | TagPoint* tp = static_cast<TagPoint*>(mParentNode);
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| 101 | return tp->getParentEntity()->getParentSceneNode();
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| 102 | }
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| 103 | else
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| 104 | {
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| 105 | return static_cast<SceneNode*>(mParentNode);
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| 106 | }
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| 107 | }
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| 108 | //-----------------------------------------------------------------------
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| 109 | bool MovableObject::isAttached(void) const
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| 110 | {
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| 111 | return (mParentNode != 0);
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| 112 |
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| 113 | }
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| 114 | //-----------------------------------------------------------------------
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| 115 | bool MovableObject::isInScene(void) const
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| 116 | {
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| 117 | if (mParentNode != 0)
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| 118 | {
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| 119 | if (mParentIsTagPoint)
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| 120 | {
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| 121 | TagPoint* tp = static_cast<TagPoint*>(mParentNode);
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| 122 | return tp->getParentEntity()->isInScene();
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| 123 | }
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| 124 | else
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| 125 | {
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| 126 | SceneNode* sn = static_cast<SceneNode*>(mParentNode);
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| 127 | return sn->isInSceneGraph();
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| 128 | }
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| 129 | }
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| 130 | else
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| 131 | {
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| 132 | return false;
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| 133 | }
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| 134 | }
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| 135 | //-----------------------------------------------------------------------
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| 136 | void MovableObject::setVisible(bool visible)
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| 137 | {
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| 138 | mVisible = visible;
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| 139 | }
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| 140 | //-----------------------------------------------------------------------
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| 141 | bool MovableObject::isVisible(void) const
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| 142 | {
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| 143 | bool flagVis = true;
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| 144 | if (Root::getSingleton()._getCurrentSceneManager())
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| 145 | {
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| 146 | flagVis = (mVisibilityFlags &
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| 147 | Root::getSingleton()._getCurrentSceneManager()->getVisibilityMask()) != 0;
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| 148 | }
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| 149 |
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| 150 | return mVisible && !mBeyondFarDistance && flagVis;
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| 151 | }
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| 152 | //-----------------------------------------------------------------------
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| 153 | void MovableObject::_notifyCurrentCamera(Camera* cam)
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| 154 | {
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| 155 | if (mParentNode)
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| 156 | {
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| 157 | if (cam->getUseRenderingDistance() && mUpperDistance > 0)
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| 158 | {
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| 159 | Real rad = getBoundingRadius();
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| 160 | Real squaredDepth = mParentNode->getSquaredViewDepth(cam);
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| 161 | // Max distance to still render
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| 162 | Real maxDist = mUpperDistance + rad;
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| 163 | if (squaredDepth > Math::Sqr(maxDist))
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| 164 | {
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| 165 | mBeyondFarDistance = true;
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| 166 | }
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| 167 | else
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| 168 | {
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| 169 | mBeyondFarDistance = false;
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| 170 | }
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| 171 | }
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| 172 | else
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| 173 | {
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| 174 | mBeyondFarDistance = false;
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| 175 | }
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| 176 | }
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| 177 |
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| 178 | }
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| 179 | //-----------------------------------------------------------------------
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| 180 | void MovableObject::setRenderQueueGroup(uint8 queueID)
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| 181 | {
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| 182 | mRenderQueueID = queueID;
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| 183 | mRenderQueueIDSet = true;
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| 184 | }
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| 185 | //-----------------------------------------------------------------------
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| 186 | uint8 MovableObject::getRenderQueueGroup(void) const
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| 187 | {
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| 188 | return mRenderQueueID;
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| 189 | }
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| 190 | //-----------------------------------------------------------------------
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| 191 | Matrix4 MovableObject::_getParentNodeFullTransform(void) const
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| 192 | {
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| 193 |
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| 194 | if(mParentNode)
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| 195 | {
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| 196 | // object attached to a sceneNode
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| 197 | return mParentNode->_getFullTransform();
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| 198 | }
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| 199 | // fallback
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| 200 | return Matrix4::IDENTITY;
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| 201 | }
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| 202 | //-----------------------------------------------------------------------
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| 203 | const AxisAlignedBox& MovableObject::getWorldBoundingBox(bool derive) const
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| 204 | {
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| 205 | if (derive)
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| 206 | {
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| 207 | mWorldAABB = this->getBoundingBox();
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| 208 | mWorldAABB.transform(_getParentNodeFullTransform());
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| 209 | }
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| 210 |
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| 211 | return mWorldAABB;
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| 212 |
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| 213 | }
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| 214 | //-----------------------------------------------------------------------
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| 215 | const Sphere& MovableObject::getWorldBoundingSphere(bool derive) const
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| 216 | {
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| 217 | if (derive)
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| 218 | {
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| 219 | mWorldBoundingSphere.setRadius(getBoundingRadius());
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| 220 | mWorldBoundingSphere.setCenter(mParentNode->_getDerivedPosition());
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| 221 | }
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| 222 | return mWorldBoundingSphere;
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| 223 | }
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| 224 |
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| 225 | //-----------------------------------------------------------------------
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| 226 | ShadowCaster::ShadowRenderableListIterator MovableObject::getShadowVolumeRenderableIterator(
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| 227 | ShadowTechnique shadowTechnique, const Light* light,
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| 228 | HardwareIndexBufferSharedPtr* indexBuffer,
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| 229 | bool extrudeVertices, Real extrusionDist, unsigned long flags )
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| 230 | {
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| 231 | static ShadowRenderableList dummyList;
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| 232 | return ShadowRenderableListIterator(dummyList.begin(), dummyList.end());
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| 233 | }
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| 234 | //-----------------------------------------------------------------------
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| 235 | const AxisAlignedBox& MovableObject::getLightCapBounds(void) const
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| 236 | {
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| 237 | // Same as original bounds
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| 238 | return getWorldBoundingBox();
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| 239 | }
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| 240 | //-----------------------------------------------------------------------
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| 241 | const AxisAlignedBox& MovableObject::getDarkCapBounds(const Light& light, Real extrusionDist) const
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| 242 | {
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| 243 | // Extrude own light cap bounds
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| 244 | mWorldDarkCapBounds = getLightCapBounds();
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| 245 | this->extrudeBounds(mWorldDarkCapBounds, light.getAs4DVector(),
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| 246 | extrusionDist);
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| 247 | return mWorldDarkCapBounds;
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| 248 |
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| 249 | }
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| 250 | //-----------------------------------------------------------------------
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| 251 | Real MovableObject::getPointExtrusionDistance(const Light* l) const
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| 252 | {
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| 253 | if (mParentNode)
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| 254 | {
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| 255 | return getExtrusionDistance(mParentNode->_getDerivedPosition(), l);
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| 256 | }
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| 257 | else
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| 258 | {
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| 259 | return 0;
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| 260 | }
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| 261 | }
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| 262 | //-----------------------------------------------------------------------
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| 263 | uint32 MovableObject::getTypeFlags(void) const
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| 264 | {
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| 265 | if (mCreator)
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| 266 | {
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| 267 | return mCreator->getTypeFlags();
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| 268 | }
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| 269 | else
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| 270 | {
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| 271 | return 0xFFFFFFFF;
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| 272 | }
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| 273 | }
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| 274 | //-----------------------------------------------------------------------
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| 275 | //-----------------------------------------------------------------------
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| 276 | MovableObject* MovableObjectFactory::createInstance(
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| 277 | const String& name, SceneManager* manager,
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| 278 | const NameValuePairList* params)
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| 279 | {
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| 280 | MovableObject* m = createInstanceImpl(name, params);
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| 281 | m->_notifyCreator(this);
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| 282 | m->_notifyManager(manager);
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| 283 | return m;
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| 284 | }
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| 285 |
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| 286 |
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| 287 | }
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| 288 |
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