253f495021
(and other models loaded for a track), items now do rotate and can be collected (though no icons are displayed yet, nor do attachments work). git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/trunk/supertuxkart@3196 178a84e3-b1eb-0310-8ba1-8eac791a3b58
92 lines
3.7 KiB
C++
92 lines
3.7 KiB
C++
// $Id: triangle_mesh.cpp 839 2006-10-24 00:01:56Z hiker $
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//
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// SuperTuxKart - a fun racing game with go-kart
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// Copyright (C) 2006 Joerg Henrichs
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 3
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// of the License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty ofati
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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#include "triangle_mesh.hpp"
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#include "modes/world.hpp"
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// -----------------------------------------------------------------------------
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TriangleMesh::~TriangleMesh()
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{
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if(m_body)
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{
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RaceManager::getWorld()->getPhysics()->removeBody(m_body);
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delete m_body;
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delete m_motion_state;
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delete m_collision_shape;
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}
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} // ~TriangleMesh
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// -----------------------------------------------------------------------------
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void TriangleMesh::addTriangle(const btVector3 &t1, const btVector3 &t2,
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const btVector3 &t3, const Material* m)
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{
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m_triangleIndex2Material.push_back(m);
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m_mesh.addTriangle(t1, t2, t3);
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} // addTriangle
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// -----------------------------------------------------------------------------
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/** Creates the physics body for this triangle mesh. If the body already
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* exists (because it was created by a previous call to createBody)
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* it is first removed from the world. This is used by loading the track
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* where a physics body is used to determine the height of terrain. To have
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* an optimised rigid body including all static objects, the track is then
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* removed and all objects together with the track is converted again into
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* a single rigid body. This avoids using irrlicht (or the graphics engine)
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* for height of terrain detection).
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*/
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void TriangleMesh::createBody(btCollisionObject::CollisionFlags flags)
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{
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if(m_triangleIndex2Material.size()==0)
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{
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m_collision_shape = NULL;
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m_motion_state = NULL;
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m_body = NULL;
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return;
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}
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// Now convert the triangle mesh into a static rigid body
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m_collision_shape = new btBvhTriangleMeshShape(&m_mesh, true);
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btTransform startTransform;
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startTransform.setIdentity();
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m_motion_state = new btDefaultMotionState(startTransform);
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btRigidBody::btRigidBodyConstructionInfo info(0.0f, m_motion_state, m_collision_shape);
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m_body=new btRigidBody(info);
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RaceManager::getWorld()->getPhysics()->addBody(m_body);
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m_user_pointer.set(this);
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m_body->setUserPointer(&m_user_pointer);
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m_body->setCollisionFlags(m_body->getCollisionFlags() |
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flags |
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btCollisionObject::CF_CUSTOM_MATERIAL_CALLBACK);
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} // createBody
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// -----------------------------------------------------------------------------
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/** Removes the created body from the physics world. This is used when creating
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* a temporary rigid body of the main track to get bullet raycasts. Then the
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* main track is removed, and the track (main track including all additional
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* objects which were loaded later) is converted again.
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*/
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void TriangleMesh::removeBody()
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{
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RaceManager::getWorld()->getPhysics()->removeBody(m_body);
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delete m_body;
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m_body = 0;
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} // removeBody
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// -----------------------------------------------------------------------------
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