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141 lines
3.9 KiB
C++
141 lines
3.9 KiB
C++
/*
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OpenMW - The completely unofficial reimplementation of Morrowind
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Copyright (C) 2008-2010 Nicolay Korslund
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Email: < korslund@gmail.com >
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WWW: http://openmw.sourceforge.net/
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This file (ogre_nif_loader.h) is part of the OpenMW package.
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OpenMW is distributed as free software: you can redistribute it
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and/or modify it under the terms of the GNU General Public License
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version 3, as published by the Free Software Foundation.
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This program is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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version 3 along with this program. If not, see
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http://www.gnu.org/licenses/ .
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*/
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#ifndef OPENMW_COMPONENTS_NIFBULLET_BULLETNIFLOADER_HPP
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#define OPENMW_COMPONENTS_NIFBULLET_BULLETNIFLOADER_HPP
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#include <cassert>
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#include <string>
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#include <BulletCollision/CollisionShapes/btBvhTriangleMeshShape.h>
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#include <BulletCollision/CollisionShapes/btConvexTriangleMeshShape.h>
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#include <BulletCollision/CollisionShapes/btCompoundShape.h>
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#include <btBulletDynamicsCommon.h>
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#include <openengine/bullet/BulletShapeLoader.h>
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// For warning messages
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#include <iostream>
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namespace Nif
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{
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class Node;
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class Transformation;
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class NiTriShape;
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}
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namespace NifBullet
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{
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// Subclass btBhvTriangleMeshShape to auto-delete the meshInterface
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struct TriangleMeshShape : public btBvhTriangleMeshShape
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{
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TriangleMeshShape(btStridingMeshInterface* meshInterface, bool useQuantizedAabbCompression)
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: btBvhTriangleMeshShape(meshInterface, useQuantizedAabbCompression)
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{
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}
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virtual ~TriangleMeshShape()
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{
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delete getTriangleInfoMap();
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delete m_meshInterface;
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}
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};
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/**
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*Load bulletShape from NIF files.
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*/
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class ManualBulletShapeLoader : public OEngine::Physic::BulletShapeLoader
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{
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public:
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ManualBulletShapeLoader()
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: mShape(NULL)
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, mStaticMesh(NULL)
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, mCompoundShape(NULL)
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, mBoundingBox(NULL)
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{
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}
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virtual ~ManualBulletShapeLoader();
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void warn(const std::string &msg)
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{
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std::cerr << "NIFLoader: Warn:" << msg << "\n";
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}
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void fail(const std::string &msg)
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{
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std::cerr << "NIFLoader: Fail: "<< msg << std::endl;
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abort();
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}
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/**
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*This function should not be called manualy. Use load instead. (this is called by the BulletShapeManager when you use load).
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*/
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void loadResource(Ogre::Resource *resource);
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/**
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*This function load a new bulletShape from a NIF file into the BulletShapeManager.
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*When the file is loaded, you can then use BulletShapeManager::getByName() to retrive the bulletShape.
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*Warning: this function will just crash if the resourceGroup doesn't exist!
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*/
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void load(const std::string &name,const std::string &group);
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private:
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btVector3 getbtVector(Ogre::Vector3 const &v);
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/**
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*Parse a node.
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*/
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void handleNode(Nif::Node const *node, int flags, bool isCollisionNode,
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bool raycasting, bool isMarker, bool isAnimated=false);
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/**
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*Helper function
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*/
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bool hasRootCollisionNode(const Nif::Node *node);
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/**
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*convert a NiTriShape to a bullet trishape.
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*/
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void handleNiTriShape(const Nif::NiTriShape *shape, int flags, const Ogre::Matrix4 &transform, bool raycasting, bool isAnimated);
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std::string mResourceName;
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OEngine::Physic::BulletShape* mShape;//current shape
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btCompoundShape* mCompoundShape;
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btTriangleMesh* mStaticMesh;
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btBoxShape *mBoundingBox;
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};
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bool getBoundingBox(const std::string& nifFile, Ogre::Vector3& halfExtents, Ogre::Vector3& translation, Ogre::Quaternion& orientation);
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bool findBoundingBox(const Nif::Node* node, Ogre::Vector3& halfExtents, Ogre::Vector3& translation, Ogre::Quaternion& orientation);
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}
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#endif
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