components/scene/OctTreeComponent.cpp

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// /////////////////////////////////////////////////////////////////////////////
//
// Name:            OctTreeComponent.cpp
// Author:          Michael Bartsch (ZCCdark203)
//
// Desc :           Component wrapper of Irrlicht's SceneManager function
//                  addOctTreeSceneNode(...).
//
// License:         Copyright (C) 2009 Michael Bartsch and Contributors
//
//                  This program is free software: you can redistribute it
//                  and/or modify it under the terms of the zlib/libpng License.
//                  See main.cpp for conditions of distribution and use.
//
// /////////////////////////////////////////////////////////////////////////////

// Include files
#include "OctTreeComponent.h"
#include "../../core/GameManager.h"


// OctTreeComponent class
// OctTreeComponent constructor.
OctTreeComponent::OctTreeComponent(Entity *parent, const std::string &fileName, s32 minPolysPerNode)
: SceneComponent(parent, true)
{
    // Get pointers to needed sub-systems of the Game Manager.
    ISceneManager *pSceneMgr = GameManager::Instance()->getSceneManager();

    // Create the internal scene node.
    IMesh *mesh = pSceneMgr->getMesh(fileName.c_str());
    mSceneNode = pSceneMgr->addOctTreeSceneNode(mesh, 0, parent->getID(), minPolysPerNode, true);
    mSceneNode->setPosition(parent->getPosition());

    // Set-up internal mechanism for collision detection.
    mTriSelector = pSceneMgr->createOctTreeTriangleSelector(mesh, mSceneNode);
    mMetaSelector = pSceneMgr->createMetaTriangleSelector();
}

// OctTreeComponent constructor.
OctTreeComponent::OctTreeComponent(Entity *parent, IMesh *mesh, s32 minPolysPerNode)
: SceneComponent(parent, true)
{
    // Get pointers to needed sub-systems of the Game Manager.
    ISceneManager *pSceneMgr = GameManager::Instance()->getSceneManager();

    // Create the internal scene node.
    mSceneNode = pSceneMgr->addOctTreeSceneNode(mesh, 0, parent->getID(), minPolysPerNode, true);
    mSceneNode->setPosition(parent->getPosition());

    // Set-up internal mechanism for collision detection.
    mTriSelector = pSceneMgr->createOctTreeTriangleSelector(mesh, mSceneNode);
    mMetaSelector = pSceneMgr->createMetaTriangleSelector();
}

// OctTreeComponent constructor.
OctTreeComponent::OctTreeComponent(Entity *parent, IAnimatedMesh *mesh, s32 minPolysPerNode)
: SceneComponent(parent, true)
{
    // Get pointers to needed sub-systems of the Game Manager.
    ISceneManager *pSceneMgr = GameManager::Instance()->getSceneManager();

    // Create the internal scene node.
    mSceneNode = pSceneMgr->addOctTreeSceneNode(mesh, 0, parent->getID(), minPolysPerNode, true);
    mSceneNode->setPosition(parent->getPosition());

    // Set-up internal mechanism for collision detection.
    mTriSelector = pSceneMgr->createOctTreeTriangleSelector(mesh, mSceneNode);
    mMetaSelector = pSceneMgr->createMetaTriangleSelector();
}

// OctTreeComponent deconstructor.
OctTreeComponent::~OctTreeComponent()
{
}

// AngelScript: Will be used to instanciate objects of this class.
OctTreeComponent* OctTreeComponent::refFactory(Entity *parent, const std::string &fileName,
                                                      s32 minPolysPerNode)
{
    return new OctTreeComponent(parent, fileName, minPolysPerNode);
}


// OctTreeComponent Angelscript binding.
void bindOctTreeComponent(asIScriptEngine *engine)
{
    // Forward declarations.
    int r;

    // Bind SkyDomeComponent class.
    r = engine->RegisterObjectType("OctTreeComponent", sizeof(OctTreeComponent), asOBJ_REF); assert(r >= 0);

    // Bind inherited functions.
    bindSceneComponentBase<OctTreeComponent>(engine, "OctTreeComponent");

    // Set SkyDomeComponent behaviour.
    r = engine->RegisterObjectBehaviour("OctTreeComponent", asBEHAVE_FACTORY, "OctTreeComponent@ f(Entity @, " \
                                        "const string &, s32)",
                                        asFUNCTIONPR(OctTreeComponent::refFactory, (Entity*, const std::string&,
                                        s32), OctTreeComponent*), asCALL_CDECL); assert(r >= 0);
}

// End of File

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