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staticmesh.cpp

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00001 /* -*- mode: c++; c-basic-offset: 4; indent-tabs-mode: nil -*-
00002 
00003    this file is part of rcssserver3D
00004    Fri May 9 2003
00005    Copyright (C) 2002,2003 Koblenz University
00006    Copyright (C) 2003 RoboCup Soccer Server 3D Maintenance Group
00007    $Id: staticmesh.cpp,v 1.12 2004/05/01 13:46:53 rollmark Exp $
00008 
00009    This program is free software; you can redistribute it and/or modify
00010    it under the terms of the GNU General Public License as published by
00011    the Free Software Foundation; version 2 of the License.
00012 
00013    This program is distributed in the hope that it will be useful,
00014    but WITHOUT ANY WARRANTY; without even the implied warranty of
00015    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00016    GNU General Public License for more details.
00017 
00018    You should have received a copy of the GNU General Public License
00019    along with this program; if not, write to the Free Software
00020    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
00021 */
00022 #include "staticmesh.h"
00023 #include <zeitgeist/logserver/logserver.h>
00024 #include <kerosin/openglserver/openglserver.h>
00025 #include <kerosin/materialserver/material.h>
00026 #include <kerosin/materialserver/materialserver.h>
00027 
00028 using namespace boost;
00029 using namespace kerosin;
00030 using namespace salt;
00031 using namespace std;
00032 using namespace zeitgeist;
00033 using namespace oxygen;
00034 
00035 StaticMesh::StaticMesh() : mScale(1.0f,1.0f,1.0f)
00036 {
00037 }
00038 
00039 StaticMesh::~StaticMesh()
00040 {
00041 }
00042 
00043 void StaticMesh::ComputeBoundingBox()
00044 {
00045 }
00046 
00047 void StaticMesh::CalcBoundingBox()
00048 {
00049     mLocalBoundingBox.Init();
00050 
00051     if (mMesh.get() == 0)
00052         {
00053             return;
00054         }
00055 
00056     const int n = mMesh->GetVertexCount() * 3;
00057 
00058     const float* arPos = mMesh->GetPos().get();
00059     if (arPos == 0)
00060         {
00061             return;
00062         }
00063 
00064     for (int i = 0; i<n; ++i)
00065         {
00066             const float* v = arPos + (i * 3);
00067             mLocalBoundingBox.Encapsulate
00068                 (
00069                  v[0]*mScale[0],
00070                  v[1]*mScale[1],
00071                  v[2]*mScale[2]
00072                  );
00073         }
00074 }
00075 
00076 void StaticMesh::RenderInternal()
00077 {
00078     if (mMesh.get() == 0)
00079         {
00080             return;
00081         }
00082 
00083     const float* pos = mMesh->GetPos().get();
00084     if (pos == 0)
00085         {
00086             return;
00087         }
00088 
00089     glVertexPointer(3, GL_FLOAT, 0, pos);
00090     glEnableClientState (GL_VERTEX_ARRAY);
00091 
00092     const float* tex = mMesh->GetTexCoords().get();
00093     if (tex != 0)
00094         {
00095             glTexCoordPointer(3, GL_FLOAT, 0, tex);
00096             glEnableClientState (GL_TEXTURE_COORD_ARRAY);
00097         }
00098 
00099     const float* normal = mMesh->GetNormals().get();
00100     if (normal != 0)
00101         {
00102             glNormalPointer(GL_FLOAT, 0, normal);
00103             glEnableClientState(GL_NORMAL_ARRAY);
00104         }
00105 
00106     glCullFace(GL_BACK);
00107     glEnable(GL_CULL_FACE);
00108     glScalef(mScale[0],mScale[1],mScale[2]);
00109 
00110     TriMesh::TFaces::const_iterator iter = mMesh->GetFaces().begin();
00111     int i=0;
00112     while (iter != mMesh->GetFaces().end())
00113         {
00114             const shared_ptr<Material> material = mMaterials[i];
00115 
00116             if (material.get() != 0)
00117                 {
00118                     material->Bind();
00119 
00120                     const TriMesh::Face& face = (*iter);
00121                     const shared_ptr<IndexBuffer>& idx = face.indeces;
00122 
00123                     glDrawElements(GL_TRIANGLES, idx->GetNumIndex(),
00124                                    GL_UNSIGNED_INT, idx->GetIndex().get());
00125                 }
00126 
00127             ++i;
00128             ++iter;
00129         }
00130 
00131     glDisableClientState(GL_VERTEX_ARRAY);
00132     glDisableClientState(GL_TEXTURE_COORD_ARRAY );
00133     glDisableClientState(GL_NORMAL_ARRAY);
00134 }
00135 
00136 const Vector3f& StaticMesh::GetScale()
00137 {
00138     return mScale;
00139 }
00140 
00141 void StaticMesh::SetScale(const salt::Vector3f& scale)
00142 {
00143     mScale = scale;
00144 }
00145 
00146 bool StaticMesh::Load(const std::string& name)
00147 {
00148     ParameterList parameter;
00149     return Load(name,parameter);
00150 }
00151 
00152 bool StaticMesh::Load(const std::string& name, const ParameterList& parameter)
00153 {
00154     mMeshName = name;
00155     mMeshParameter = parameter;
00156     mMesh.reset();
00157     mMaterials.clear();
00158     ComputeBoundingBox();
00159 
00160     shared_ptr<GeometryServer> geometryServer = shared_dynamic_cast<GeometryServer>
00161         (GetCore()->Get("/sys/server/geometry"));
00162 
00163     if (geometryServer.get() == 0)
00164         {
00165             GetLog()->Error()
00166                 << "(StaticMesh) ERROR: cannot get GeometryServer\n";
00167             return false;
00168         }
00169 
00170     shared_ptr<MaterialServer> materialServer = shared_dynamic_cast<MaterialServer>
00171         (GetCore()->Get("/sys/server/material"));
00172 
00173     if (materialServer.get() == 0)
00174         {
00175             GetLog()->Error()
00176                 << "(StaticMesh) ERROR: cannot get MaterialServer\n";
00177             return false;
00178         }
00179 
00180     mMesh = geometryServer->GetMesh(name,parameter);
00181 
00182     if (mMesh.get() == 0)
00183         {
00184             return false;
00185         }
00186 
00187     ComputeBoundingBox();
00188 
00189     // load corresponding materials
00190     for (
00191          TriMesh::TFaces::const_iterator iter = mMesh->GetFaces().begin();
00192          iter != mMesh->GetFaces().end();
00193          ++iter
00194          )
00195         {
00196             const TriMesh::Face& face = (*iter);
00197 
00198             shared_ptr<Material> material =
00199                 materialServer->GetMaterial(face.material);
00200 
00201             if (material.get() == 0)
00202                 {
00203                     material = materialServer->GetMaterial("default");
00204                 }
00205 
00206             mMaterials.push_back(material);
00207         }
00208 
00209     return true;
00210 }
00211 
00212 const shared_ptr<TriMesh> StaticMesh::GetMesh()
00213 {
00214     return mMesh;
00215 }
00216 
00217 const std::string& StaticMesh::GetMeshName()
00218 {
00219     return mMeshName;
00220 }
00221 
00222 const ParameterList& StaticMesh::GetMeshParameter()
00223 {
00224     return mMeshParameter;
00225 }
00226 

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