void BSPLoader::renderFace( int index )
{
sBSPFace face = _faces[index];
ITexture* tex = NULL;
sBSPTexture st = _textures[face.textureID];
tex = _getTexture(st.strName);
if (tex != NULL)
{
_renderSystem->setTexture(0, tex);
}
switch(face.type)
{
case sBSPFace::eType_Polygon:
case sBSPFace::eType_Mesh:
{
POSITION_COLOR_TEXTURE* v = new POSITION_COLOR_TEXTURE[face.numMeshVerts];
for (int i = 0; i < face.numMeshVerts; ++i)
{
int indexI = face.meshVertIndex + i;
int indexV = _meshVertices[indexI];
indexV += face.vertexIndex;
v[i]._pos.x = _vertices[indexV].vPosition[0] * 0.00001;
v[i]._pos.z = _vertices[indexV].vPosition[1] * 0.00001;
v[i]._pos.y = _vertices[indexV].vPosition[2] * 0.00001;
v[i]._color = *(DWORD*)&_vertices[indexV].color;
v[i]._tex.x = _vertices[indexV].vTextureCoord[0];
v[i]._tex.y = _vertices[indexV].vTextureCoord[1];
}
_renderSystem->drawPrimitiveUP(D3DPT_TRIANGLELIST,
face.numMeshVerts / 3, v, sizeof(POSITION_COLOR_TEXTURE));
delete[] v;
}
break;
case sBSPFace::eType_Billboard:
break;
case sBSPFace::eType_Patch:
break;
default:
break;
}
_renderSystem->setRenderState(D3DRS_ALPHABLENDENABLE, true);
_renderSystem->setRenderState(D3DRS_SRCBLEND, D3DBLEND_SRCALPHA);
_renderSystem->setRenderState(D3DRS_DESTBLEND, D3DBLEND_INVSRCALPHA);
_renderLight(index);
_renderSystem->setRenderState(D3DRS_ALPHABLENDENABLE, false);
}
bool TerrainQuery::getTerrainData(osg::Vec3d& location, osg::Vec4 &texture_color, std::string &coverage_name, CoverageColor &coverage_color, osg::Vec3d &inter)
{
osg::Vec3d start_location(location.x(),location.y(), -10000);
osg::ref_ptr<osgUtil::LineSegmentIntersector> intersector = new osgUtil::LineSegmentIntersector(start_location,start_location + osg::Vec3(0.0f,0.0f,20000));
m_IntersectionVisitor.setIntersector(intersector.get());
m_Terrain->accept(m_IntersectionVisitor);
if (intersector->containsIntersections())
{
osgUtil::LineSegmentIntersector::Intersections& intersections = intersector->getIntersections();
for(osgUtil::LineSegmentIntersector::Intersections::iterator itr = intersections.begin();
itr != intersections.end();
++itr)
{
const osgUtil::LineSegmentIntersector::Intersection& intersection = *itr;
osg::Vec3 tc;
osg::Texture* texture = _getTexture(intersection,tc);
if(texture && texture->getImage(0))
{
std::string tex_filename = osgDB::getSimpleFileName(texture->getImage(0)->getFileName());
//check if dds, if so we will try to load alternative image file because we have no utils to decompress dds
if(osgDB::getFileExtension(tex_filename) == "dds")
{
tex_filename = osgDB::getNameLessExtension(tex_filename) + m_ColorTextureSuffix;
//std::cout << tex_filename <<"\n";
osg::Image* image = _loadImage(tex_filename);
if(m_FlipColorCoordinates)
tc.set(tc.x(),1.0 - tc.y(),tc.z());
texture_color = image->getColor(tc);
}
else
texture_color = texture->getImage(0)->getColor(tc);
if (m_CoverageTexture != "" || m_CoverageTextureSuffix != "")
{
//get material texture
std::string mat_image_filename;
if (m_CoverageTexture != "")
mat_image_filename = m_CoverageTexture;
else
mat_image_filename = osgDB::getNameLessExtension(osgDB::getSimpleFileName(tex_filename)) + m_CoverageTextureSuffix;
osg::Image* image = _loadImage(mat_image_filename);
if (m_FlipCoverageCoordinates)
tc.set(tc.x(), 1.0 - tc.y(), tc.z());
//tc2 = osg::clampTo(tc2, osg::Vec3(0,0,0),osg::Vec3(1,1,1));
tc.set(osg::clampTo((double)tc.x(), (double) 0.0, (double) 1.0),
osg::clampTo((double)tc.y(), (double) 0.0, (double)1.0), (double)tc.z());
coverage_color = image->getColor(tc);
coverage_name = m_CoverageData.getCoverageMaterialName(coverage_color);
}
else
{
coverage_name = "WOODS";
}
}
inter = intersection.getWorldIntersectPoint();
return true;
}
}
return false;
}
