K3dVertexBuild.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 "K3dVertexBuild.h"

K3dVertexBuild::K3dVertexBuild(K3dGameData *_pGameData):
        K3dVertexWork(_pGameData)
{
        m_pGameData = _pGameData;
        // Set this pointer to the game data
        m_pGameData->SetVertexBuild(this);
}

K3dVertexBuild::~K3dVertexBuild(void)
{
        DeleteVertices();
}

K3dVertexObj *K3dVertexBuild::CreateNewVertexObj()
{
        // Create new vertex
        K3dVertexObj *pVertex = m_pGameData->GetVertexObjSP().New();
        pVertex->SetPosition(m_pGameData->GetVector3Build()->CreateNewVector3());
        pVertex->SetTexCoord(m_pGameData->GetVector2Build()->CreateNewVector2());
        pVertex->SetNormal(m_pGameData->GetVector3Build()->CreateNewVector3());
        pVertex->SetColor(m_pGameData->GetColor4Build()->CreateNewColor4());
        // Set vertex index
        pVertex->GetId() = m_pGameData->GetVertexObjSP().GetNum()-1;
        return pVertex;
}

void K3dVertexBuild::LoadVertices()
{
        cout << "void K3dVertexBuild::LoadVertices()" << endl;
        K3dString strFc = "void K3dVertexBuild::LoadVertices() -- ";
        K3dString strOut;

        // Get lua from global data
        K3dLua *pLua = m_pGameData->GetLua();

        // Get number of vertices
        pLua->LuaGetGlobal(K_STR_NUM_VERTICES);
    if (!pLua->LuaIsNumber(-1))
        {
        //strOut = strFc + K_STR_NUM_VERTICES;
                //strOut += " is not a valid number";
                //pLua->LuaError(strOut.GetString().c_str());
                cerr << "Warning :: void K3dVertexBuild::LoadVertices() -- Doesn`t load " << K_STR_NUM_VERTICES << " from map file" << endl;
                return;
    }
        
        int iNumVerts = (int) pLua->LuaToNumber(-1);
        for(int i=0; i<iNumVerts; i++)
        {
                
                K3dVertexObj *pVertex = CreateNewVertexObj();
                
                K3dString kString(K_STR_VERTEX);
                // 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 vertex table";
                        pLua->LuaError(strOut.GetString().c_str());
                }
                pVertex->GetName() = pLua->LuaGetFieldString(K_STR_NAME);
                // Load vertex positions
                pVertex->GetPosition()->GetX() = (float)pLua->LuaGetFieldNumber(K_STR_POS_X);
                pVertex->GetPosition()->GetY() = (float)pLua->LuaGetFieldNumber(K_STR_POS_Y);
                pVertex->GetPosition()->GetZ() = (float)pLua->LuaGetFieldNumber(K_STR_POS_Z);
                
                // Load Texutre coordinations positions
                pVertex->GetTexCoord()->GetX() = (float)pLua->LuaGetFieldNumber(K_STR_COORD_X);
                pVertex->GetTexCoord()->GetY() = (float)pLua->LuaGetFieldNumber(K_STR_COORD_Y);
                
                // Load normal vector
                pVertex->GetNormal()->GetX() = (float)pLua->LuaGetFieldNumber(K_STR_NORMAL_X);
                pVertex->GetNormal()->GetY() = (float)pLua->LuaGetFieldNumber(K_STR_NORMAL_Y);
                pVertex->GetNormal()->GetZ() = (float)pLua->LuaGetFieldNumber(K_STR_NORMAL_Z);

                // Load RGBA color vector
                pVertex->GetColor()->GetR() = (GLubyte)pLua->LuaGetFieldNumber(K_STR_R);
                pVertex->GetColor()->GetG() = (GLubyte)pLua->LuaGetFieldNumber(K_STR_G);
                pVertex->GetColor()->GetB() = (GLubyte)pLua->LuaGetFieldNumber(K_STR_B);
                pVertex->GetColor()->GetA() = (GLubyte)pLua->LuaGetFieldNumber(K_STR_A);
        }
}

void K3dVertexBuild::DeleteVertices()
{
        std::cout << "void K3dVertexBuild::DeleteVertices()" << endl;
        while(m_pGameData->GetVertexObjSP().GetNum())
        {
                K3dVertexObj *p = m_pGameData->GetVertexObjSP().Get(0);
                p = m_pGameData->GetVertexObjSP().Delete(p);
        }
}

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