K3dBoxBuild.cpp

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/***************************************************************************
 *   Copyright (C) 2007 by Jan Koci   *
 *   honza.koci@email.cz   *
 *   http://kengine.sourceforge.net/tutorial/
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/

#include "K3dBoxBuild.h"

K3dBoxBuild::K3dBoxBuild(K3dGameData *_pGameData):
        K3dBoxWork(_pGameData)
{
        m_pGameData = _pGameData;
        // Set this pointer to the game data
        m_pGameData->SetBoxBuild(this);
        m_pIntersection = m_pGameData->GetIntersection();
        m_pPolyPlaneBuild = m_pGameData->GetPolyPlaneBuild();
        m_pLineBuild = m_pGameData->GetLineBuild();
        m_pVertexBuild = m_pGameData->GetVertexBuild();
}

K3dBoxBuild::~K3dBoxBuild()
{
        DeleteBoxes();
}

K3dLineObj *K3dBoxBuild::CreateEdge(K3dVector3Obj *_pOrigin,K3dVector3Obj *_pDirection)
{
        K3dLineObj *pEdge = m_pLineBuild->CreateNewLineObj();   
        pEdge->SetOrigin(_pOrigin);
        pEdge->SetDirection(_pDirection);
        pEdge->GetIsVisible() = m_bIsVisible;
        pEdge->Init();
        return pEdge;
}

K3dPolyPlane *K3dBoxBuild::CreatePlane(const K3dVector3Obj *_pV0,const K3dVector3Obj *_pV1,const K3dVector3Obj *_pV2)
{
        K3dPolyPlane *pPlane = m_pPolyPlaneBuild->CreateNewPolyPlaneObj(*_pV0,*_pV1,*_pV2);
        pPlane->GetWidth() = K3D_PLANE_SIZE;
        pPlane->GetHeight() = K3D_PLANE_SIZE;
        pPlane->GetIsVisible() = m_bIsVisible;
        // Calculate vertices lies on the plane
        m_pPolyPlaneBuild->CalcVertsOnPlane(pPlane);
        return pPlane;
}

K3dPolyObj *K3dBoxBuild::CreateSceneBox()
{
        m_pPoly = m_pGameData->GetPolyObjSP().New();
        // Get max scene axis
        float fMaxAxis = (float) K_MAX_SCENE_LENGTH * (float)0.5;
        // Create box vertices
        K3dVertexObj *pVertex0 = m_pVertexBuild->CreateNewVertexObj();
        pVertex0->GetPosition()->Set(fMaxAxis, fMaxAxis, fMaxAxis);
        m_pPoly->AddVertex(pVertex0);

        K3dVertexObj *pVertex1 = m_pVertexBuild->CreateNewVertexObj();
        pVertex1->GetPosition()->Set(-fMaxAxis, fMaxAxis, fMaxAxis);
        m_pPoly->AddVertex(pVertex1);

        K3dVertexObj *pVertex2 = m_pVertexBuild->CreateNewVertexObj();
        pVertex2->GetPosition()->Set(-fMaxAxis, -fMaxAxis, fMaxAxis);
        m_pPoly->AddVertex(pVertex2);

        K3dVertexObj *pVertex3 = m_pVertexBuild->CreateNewVertexObj();
        pVertex3->GetPosition()->Set(fMaxAxis, -fMaxAxis, fMaxAxis);
        m_pPoly->AddVertex(pVertex3);

        K3dVertexObj *pVertex4 = m_pVertexBuild->CreateNewVertexObj();
        pVertex4->GetPosition()->Set(fMaxAxis, -fMaxAxis, -fMaxAxis);
        m_pPoly->AddVertex(pVertex4);

        K3dVertexObj *pVertex5 = m_pVertexBuild->CreateNewVertexObj();
        pVertex5->GetPosition()->Set(fMaxAxis, fMaxAxis, -fMaxAxis);
        m_pPoly->AddVertex(pVertex5);

        K3dVertexObj *pVertex6 = m_pVertexBuild->CreateNewVertexObj();
        pVertex6->GetPosition()->Set(-fMaxAxis, fMaxAxis, -fMaxAxis);
        m_pPoly->AddVertex(pVertex6);

        K3dVertexObj *pVertex7 = m_pVertexBuild->CreateNewVertexObj();
        pVertex7->GetPosition()->Set(-fMaxAxis, -fMaxAxis, -fMaxAxis);
        m_pPoly->AddVertex(pVertex7);

        // Create box edges
        K3dLineObj *pEdge;
        pEdge = CreateEdge(pVertex0->GetPosition(), pVertex1->GetPosition());
        m_pPoly->AddEdge(pEdge);
        pEdge = CreateEdge(pVertex1->GetPosition(), pVertex2->GetPosition());
        m_pPoly->AddEdge(pEdge);
        pEdge = CreateEdge(pVertex2->GetPosition(), pVertex3->GetPosition());
        m_pPoly->AddEdge(pEdge);
        pEdge = CreateEdge(pVertex3->GetPosition(), pVertex0->GetPosition());
        m_pPoly->AddEdge(pEdge);        
        pEdge = CreateEdge(pVertex4->GetPosition(), pVertex5->GetPosition());
        m_pPoly->AddEdge(pEdge);
        pEdge = CreateEdge(pVertex5->GetPosition(), pVertex6->GetPosition());
        m_pPoly->AddEdge(pEdge);
        pEdge = CreateEdge(pVertex6->GetPosition(), pVertex7->GetPosition());
        m_pPoly->AddEdge(pEdge);
        pEdge = CreateEdge(pVertex7->GetPosition(), pVertex4->GetPosition());
        m_pPoly->AddEdge(pEdge);
        pEdge = CreateEdge(pVertex0->GetPosition(), pVertex5->GetPosition());
        m_pPoly->AddEdge(pEdge);
        pEdge = CreateEdge(pVertex1->GetPosition(), pVertex6->GetPosition());
        m_pPoly->AddEdge(pEdge);
        pEdge = CreateEdge(pVertex2->GetPosition(), pVertex7->GetPosition());
        m_pPoly->AddEdge(pEdge);
        pEdge = CreateEdge(pVertex3->GetPosition(), pVertex4->GetPosition());
        m_pPoly->AddEdge(pEdge);

        // Create box planes
        K3dPolyPlane *pPolyPlane = NULL;
        pPolyPlane = CreatePlane(pVertex0->GetPosition(), pVertex1->GetPosition(), pVertex2->GetPosition());
        m_pPoly->AddPlane(pPolyPlane);
        pPolyPlane = CreatePlane(pVertex5->GetPosition(), pVertex0->GetPosition(), pVertex3->GetPosition());
        m_pPoly->AddPlane(pPolyPlane);
        pPolyPlane = CreatePlane(pVertex6->GetPosition(), pVertex5->GetPosition(), pVertex4->GetPosition());
        m_pPoly->AddPlane(pPolyPlane);
        pPolyPlane = CreatePlane(pVertex1->GetPosition(), pVertex6->GetPosition(), pVertex7->GetPosition());
        m_pPoly->AddPlane(pPolyPlane);
        pPolyPlane = CreatePlane(pVertex5->GetPosition(), pVertex6->GetPosition(), pVertex1->GetPosition());
        m_pPoly->AddPlane(pPolyPlane);
        pPolyPlane = CreatePlane(pVertex7->GetPosition(), pVertex4->GetPosition(), pVertex3->GetPosition());
        m_pPoly->AddPlane(pPolyPlane);

        // Set box variables
        m_pPoly->GetIsVisible() = m_bIsVisible;
        m_pPoly->GetId() = m_pGameData->GetPolyObjSP().GetNum();
        return m_pPoly;
}

void K3dBoxBuild::DeleteBoxes()
{
        // Delete polyhedron array
        while(m_pGameData->GetPolyObjSP().GetNum())
        {
                K3dPolyObj *p = m_pGameData->GetPolyObjSP().Get(0);
                p = m_pGameData->GetPolyObjSP().Delete(p);
        }
}

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