K3dCameraBuild.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 "K3dCameraBuild.h"

K3dCameraBuild::K3dCameraBuild(K3dGameData *_pGameData)
{
        m_pGameData = _pGameData;
}

K3dCameraBuild::~K3dCameraBuild(void)
{
        DeleteCameras();
}

void K3dCameraBuild::LoadCameras()
{
        cout << "void K3dCameraBuild::LoadCameras()" << endl;
        K3dString strFc = "void K3dCameraBuild::LoadCameras() -- ";
        K3dString strOut;

        // Get lua from global data
        K3dLua *pLua = m_pGameData->GetLua();
        
        // Get number of caemeras
        pLua->LuaGetGlobal(K_STR_NUM_CAMERAS);
    if (!pLua->LuaIsNumber(-1))
        {
        strOut = strFc + K_STR_NUM_CAMERAS;
                strOut += " is not a valid number";
                pLua->LuaError(strOut.GetString().c_str());
                return;
    }
        int iNumCameras = (int) pLua->LuaToNumber(-1);
        for(int i=0; i<iNumCameras; i++)
        {
                
                K3dCameraObj *pCamera = new K3dCameraObj(m_pGameData);
                m_pGameData->GetCameraObjSP().Add(pCamera);
                
                K3dString kString(K_STR_CAMERA);
                // Add number behind string
                kString.AddNumber(i);
                
                pLua->LuaGetGlobal(kString.GetString().c_str());
                if (!pLua->LuaIsTable(-1))
                {
                        strOut = strFc + kString;
                        strOut += " is not a valid camera table";
                        pLua->LuaError(strOut.GetString().c_str());
                }
                
                // Load camera name
                pCamera->GetName() = pLua->LuaGetFieldString(K_STR_NAME);
                // Load camera positions
                pCamera->GetCameraPos()[0] = (float)pLua->LuaGetFieldNumber(K_STR_POS_X);
                pCamera->GetCameraPos()[1] = (float)pLua->LuaGetFieldNumber(K_STR_POS_Y);
                pCamera->GetCameraPos()[2] = (float)pLua->LuaGetFieldNumber(K_STR_POS_Z);
                // Load camera rotation
                pCamera->GetCameraRot()[0] = (float)pLua->LuaGetFieldNumber(K_STR_ROT_X);
                pCamera->GetCameraRot()[1] = (float)pLua->LuaGetFieldNumber(K_STR_ROT_Y);
                pCamera->GetCameraRot()[2] = (float)pLua->LuaGetFieldNumber(K_STR_ROT_Z);
                // Load mouse move
                pCamera->GetIsMouseMove() = pLua->LuaGetFieldBool(K_STR_MOUSEMOVE);
                // Load camera view
                if(pLua->LuaGetFieldBool(K_STR_DESCENT))
                {
                        pCamera->GetCameraView() = K_CAM_DESCENT;
                }
                if(pLua->LuaGetFieldBool(K_STR_FIRST_PERSON))
                {
                        pCamera->GetCameraView() = K_CAM_FIRST_PERSON;
                }
                if(pLua->LuaGetFieldBool(K_STR_SPECTATE))
                {
                        pCamera->GetCameraView() = K_CAM_SPECTATE;
                }
                // Load camera speed
                pCamera->GetCameraSpeed() = (float)pLua->LuaGetFieldNumber(K_STR_SPEED);
        }
        // Load active camera index
        pLua->LuaGetGlobal(K_STR_ACTIVECAMERA_ID);
    if (!pLua->LuaIsNumber(-1))
        {
        strOut = strFc + K_STR_ACTIVECAMERA_ID;
                strOut += " is not a valid number";
                pLua->LuaError(strOut.GetString().c_str());
    }
        m_pGameData->GetActiveCamId() = (int) pLua->LuaToNumber(-1);
        
}

void K3dCameraBuild::DeleteCameras()
{
        std::cout << "void K3dCameraBuild::DeleteCameras()" << endl;
        while(m_pGameData->GetCameraObjSP().GetNum())
        {
                K3dCameraObj *p = m_pGameData->GetCameraObjSP().Get(0);
                p = m_pGameData->GetCameraObjSP().Delete(p);
        }
}

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