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# ExCMeshBilboarded.cpp

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    00001 /*
    00002  * ExNihilo 3D Engine
    00003  *
    00004  *  This program is free software; you can redistribute it and/or modify
    00005  *  it under the terms of the GNU General Public License as published by
    00006  *  the Free Software Foundation; either version 2 of the License, or
    00007  *  (at your option) any later version.
    00008  *
    00009  *  This program is distributed in the hope that it will be useful,
    00010  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
    00011  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    00012  *  GNU Library General Public License for more details.
    00013  *
    00014  *  You should have received a copy of the GNU General Public License
    00015  *  along with this program; if not, write to the Free Software
    00016  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
    00017  *
    00018  * Please read AUTHORS file !!!
    00019  *
    00020
    00021  *
    00022  */
    00023
    00024 #include "ExCMeshBilboarded.h"
    00025
    00026 ExCMeshBilboarded::ExCMeshBilboarded()
    00027 {
    00028 Guard(ExCMeshBilboarded::ExCMeshBilboarded())
    00029         SetName("ExCMeshBilboarded");
    00030         SetType(typeid(this).name());
    00031 UnGuard
    00032 }
    00033
    00034 ExCMeshBilboarded::~ExCMeshBilboarded()
    00035 {
    00036 Guard(ExCMeshBilboarded::~ExCMeshBilboarded())
    00037 UnGuard
    00038 }
    00039
    00040 void ExCMeshBilboarded::Draw(void)
    00041 {
    00042 Guard(void ExCMeshBilboarded::Draw(void))
    00043 if(!m_Visible)return;
    00044 //      std::cout<<"Draw fire MEsh "<<std::endl;
    00045         ExCVec3D v1,v2,v3,v4,up,right,CollisionResult;
    00046         GLfloat viewMatrix[16];
    00047         //glPushMatrix();
    00048
    00049                 glGetFloatv(GL_MODELVIEW_MATRIX, viewMatrix);
    00050
    00051                         right.SetValue(viewMatrix[0],viewMatrix[4],viewMatrix[8]);
    00052                         up.SetValue(viewMatrix[1],viewMatrix[5],viewMatrix[9]);
    00053
    00054                         glEnable(GL_TEXTURE_2D);
    00055                         glDisable(GL_LIGHTING);
    00056                         glColor4f(1, 1, 1, 1);
    00057                         //glDisable(GL_DEPTH_TEST);
    00058                         glBlendFunc(GL_DST_COLOR,GL_ZERO);
    00059                         glEnable(GL_BLEND);
    00060
    00061
    00062                 glColor4f(1.0f,1.0f,1.0f,1.0f);
    00063
    00064                         v1=m_Position+(right+up)*-m_Size;
    00065                         v2=m_Position+(right-up)*m_Size;
    00066                         v3=m_Position+(right+up)*m_Size;
    00067                         v4=m_Position+(up-right)*m_Size;
    00068
    00069                 ManagerTexture->SetCurrentObject(m_Mask);
    00070
    00071                 glBegin(GL_QUADS);
    00072                         glTexCoord2f(0.0f, 0.0f); glVertex3fv(v1.m_Vector);
    00073                         glTexCoord2f(1.0f, 0.0f); glVertex3fv(v2.m_Vector);
    00074                         glTexCoord2f(1.0f, 1.0f); glVertex3fv(v3.m_Vector);
    00075                         glTexCoord2f(0.0f, 1.0f); glVertex3fv(v4.m_Vector);
    00076                 glEnd();
    00077
    00078                 glBlendFunc(GL_ONE,GL_ONE);
    00079                 ManagerTexture->SetCurrentObject(m_Texture);
    00080
    00081                 glBegin(GL_QUADS);
    00082                         glTexCoord2f(0.0f, 0.0f); glVertex3fv(v1.m_Vector);
    00083                         glTexCoord2f(1.0f, 0.0f); glVertex3fv(v2.m_Vector);
    00084                         glTexCoord2f(1.0f, 1.0f); glVertex3fv(v3.m_Vector);
    00085                         glTexCoord2f(0.0f, 1.0f); glVertex3fv(v4.m_Vector);
    00086                 glEnd();
    00087
    00088                 glDisable(GL_BLEND);
    00089                 glDisable(GL_TEXTURE_2D);
    00090                 //glEnable(GL_DEPTH_TEST);
    00091         //glPopMatrix();
    00092
    00093 UnGuard
    00094 }
    00095
    00096 bool ExCMeshBilboarded::Load(std::string FileName)
    00097 {
    00098 Guard(bool ExCMeshBilboarded::Load(std::string FileName))
    00099         char                    buffer[255];
    00100         #ifdef UNIX_SRC
    00101         sprintf(buffer, PREFIX "/ExNihilo/Data/Mesh/%s", FileName.data());
    00102         #else
    00103         sprintf(buffer, "../Data/Mesh/%s", FileName.data());
    00104         #endif
    00105         std::ifstream fin;
    00106         std::string buffstring;
    00107         char b[256];
    00108         fin.open(buffer,std::ios::in);
    00109         if(fin.is_open())
    00110         {
    00111                 try
    00112                 {
    00113                         //----Read type
    00114                         memset(b,0,255);fin.getline(b,256,'\n');
    00115                         //----Read size
    00116                         memset(b,0,255);fin.getline(b,256,'\n');
    00117                         m_Size=ExNihilo::ExtractFloatValueFromSring(b,"<Size>","<#Size>");
    00118                         //----Read texture
    00119                         memset(b,0,255);fin.getline(b,256,'\n');
    00120                         m_Texture=ExNihilo::ExtracValueFromSring(b,"<Texture>","<#Texture>");
    00121                         //----Read Mask
    00122                         memset(b,0,255);fin.getline(b,256,'\n');
    00123                         m_Mask=ExNihilo::ExtracValueFromSring(b,"<Mask>","<#Mask>");
    00124                 }catch(...){throw ExCExpFileReadError();}
    00125         }else throw   ExCExpFileNotFound();
    00126         return true;
    00127 UnGuard
    00128 }