CLightProbe::CLightProbe( const CXMLTreeNode& aXMLNode )
{
for ( int i = 0, l_NumChilds = aXMLNode.GetNumChildren(); i < l_NumChilds; ++i )
{
CXMLTreeNode& l_CurrentNode = aXMLNode( i );
std::string lTagName( l_CurrentNode.GetName() );
if (lTagName == "center")
mPosition = l_CurrentNode.GetAttribute<Math::Vect3f>( "pos", Math::Vect3f(0.0f) );
if (lTagName == "vertexs")
{
for ( int j = 0, l_NumVertexs = l_CurrentNode.GetNumChildren(); j < l_NumVertexs; ++j )
{
CXMLTreeNode l_VertexNode = l_CurrentNode( j );
std::string lVertexTag( l_VertexNode.GetName() );
if (lVertexTag == "vertex")
{
Math::Vect3f lPos( l_VertexNode.GetAttribute<Math::Vect3f>( "pos", Math::Vect3f(0.0f) ));
Math::Vect2f lUV( l_VertexNode.GetAttribute<Math::Vect2f>( "uv", Math::Vect2f(0.0f) ));
Math::Vect3f lDir( lPos - mPosition );
lDir.Normalize();
CLightProbeVertex* v = new CLightProbeVertex(lPos, lUV);
std::string lKey( "" );
if (lDir.x > 0.9f)
lKey = "x";
if (lDir.x < -0.9f)
lKey = "-x";
if (lDir.y > 0.9f)
lKey = "y";
if (lDir.y < -0.9f)
lKey = "-y";
if (lDir.z > 0.9f)
lKey = "z";
if (lDir.z < -0.9f)
lKey = "-z";
ASSERT(lKey != "", "LightProbe incorrect.")
mVertexs[lKey] = v;
}
}
}
}
}
GLvoid CLightingManager::addLightSource(vector2i position, GLint lightSourceType)
{
// depending on the block position we need to setup from 1 to 4 lights
CLevelManager *lManager = CV_GAME_MANAGER->getLevelManager();
GLint faces[4];
GLint bfVis = lManager->getBlock(position)->getFreeFaces(faces);
vector3f lPoss[] =
{
vector3f(CV_BLOCK_WIDTH/2,CV_BLOCK_HEIGHT,CV_BLOCK_DEPTH+CV_BLOCK_DEPTH/10.0f), // front
vector3f(CV_BLOCK_WIDTH/2,CV_BLOCK_HEIGHT,-CV_BLOCK_DEPTH/10.0f), // back
vector3f(CV_BLOCK_WIDTH+CV_BLOCK_DEPTH/10.0f,CV_BLOCK_HEIGHT,CV_BLOCK_DEPTH/2.0f), // left
vector3f(-CV_BLOCK_DEPTH/10.0f,CV_BLOCK_HEIGHT,CV_BLOCK_DEPTH/2.0f), // right
vector3f(CV_BLOCK_DEPTH/2.0f,CV_BLOCK_HEIGHT,CV_BLOCK_DEPTH/2.0f) // middle
};
if (bfVis==-1)
{
bfVis=1;
faces[0]=4;
}
for (GLint i=0; i<bfVis; i++)
{
// get a light from the light pool
//CLightSource *light = lightSourcePool[lightSourceType].popObject();
CLightSource *light = new CLightSource(lightIndexName[lightSourceType]);
if (light)
{
// set its position
light->setPosition(lManager->getBlock(position)->getRealPosition()+lPoss[faces[i]]);
// append to block
//blockLightData[position[1]][position[0]].add(light);
//blockLightData[position[1]][position[0]].add(light,lManager->getBlock(position));
// and add to the global list of used lights
lightSources.push_back(light);
GLint lightRadius = (int)ceil(light->getRadius()/CV_BLOCK_WIDTH)+2; // +2 is there for extended radius comparison
//vector2i lightPos = CConversions::realToLogical(light->getPosition());
// now for every block of this light, add references of this light to influenced neighbour blocks.
for (GLint y=-lightRadius; y<=lightRadius; y++)
{
for (GLint x=-lightRadius; x<=lightRadius; x++)
{
if (position[1]+y<0 || position[0]+x<0 || position[1]+y>=84 || position[0]+x>=84)
{
continue;
}
if (faces[i]==CBlock::BFS_FRONT && y<0)
{
continue;
}
if (faces[i]==CBlock::BFS_BACK && y>0)
{
continue;
}
if (faces[i]==CBlock::BFS_LEFT && x<0)
{
continue;
}
if (faces[i]==CBlock::BFS_RIGHT && x>0)
{
continue;
}
CBlock *block = lManager->getBlock(position[0]+x,position[1]+y);
vector3f lPos(light->getPosition()[0],0.0f,light->getPosition()[2]);
GLfloat d1 = (block->getRealPosition()-lPos).length();
GLfloat d2 = ((block->getRealPosition()+vector3f(CV_BLOCK_WIDTH,0.0f,0.0f))-lPos).length();
GLfloat d3 = ((block->getRealPosition()+vector3f(CV_BLOCK_WIDTH,0.0f,CV_BLOCK_DEPTH))-lPos).length();
GLfloat d4 = ((block->getRealPosition()+vector3f(0.0f,0.0f,CV_BLOCK_DEPTH))-lPos).length();
GLfloat rad =light->getRadius();
if (d1<=rad || d2<=rad || d3<=rad || d4<=rad)
{
blockLightData[position[1]+y][position[0]+x].add(light,block);
}
}
}
}
}
}
