void BrushMesh::addVertex(float x, float y, float z)
{
verts.push_back(Point(x, y, z));
tverts.push_back(Point2D(x+z, y+z));
Point normal = Point(x, y, z) - getCenter() ;
normal.normalize() ;
normals.push_back(normal) ;
enormals.push_back(encodeNormal(normal)) ;
}
void BoxMesh::construct()
{
int i ;
Box bounds = getBounds() ;
Point center = (bounds.max - bounds.min) / 2 ;
// Vertex
verts.push_back(Point(bounds.min.x(), bounds.min.y(), bounds.min.z()));
verts.push_back(Point(bounds.max.x(), bounds.min.y(), bounds.min.z()));
verts.push_back(Point(bounds.min.x(), bounds.max.y(), bounds.min.z()));
verts.push_back(Point(bounds.max.x(), bounds.max.y(), bounds.min.z()));
verts.push_back(Point(bounds.min.x(), bounds.min.y(), bounds.max.z()));
verts.push_back(Point(bounds.max.x(), bounds.min.y(), bounds.max.z()));
verts.push_back(Point(bounds.min.x(), bounds.max.y(), bounds.max.z()));
verts.push_back(Point(bounds.max.x(), bounds.max.y(), bounds.max.z()));
// Texture coordinates
for (i = 0 ; i < 8 ; i++)
tverts.push_back(Point2D(0,0));
// Indices
int inds[] = { 0, 4, 1, 5, 3, 7, 2, 6, 0, 4, 6, 7, 4, 5, 0, 1, 2, 3 } ;
for (i = 0 ; i < sizeof(inds)/sizeof(inds[0]) ; i++)
indices.push_back(inds[i]);
// Primitives
Primitive p ;
p.firstElement = 0 ;
p.numElements = 10 ;
p.type = Primitive::NoMaterial | Primitive::Strip | Primitive::Indexed ;
primitives.push_back(p) ;
p.firstElement = 10 ;
p.numElements = 4 ;
primitives.push_back(p) ;
p.firstElement = 14 ;
primitives.push_back(p) ;
// Normals
std::vector<Point>::iterator ptr ;
for (ptr = verts.begin() ; ptr != verts.end() ; ptr++)
{
Point normal ;
normal = *ptr - center ;
normal.normalize() ;
normals.push_back (normal) ;
enormals.push_back (encodeNormal(normal)) ;
}
// Other stuff
setFrames (1) ;
setParent (-1) ;
calculateCenter() ;
calculateRadius() ;
}
Doom3TextureManager::ImageID Doom3TextureManager::computeHeightmap(const Doom3TextureManager::ImageID& source,float bumpiness)
{
/* Get a reference to the source image: */
const Images::RGBAImage& sourceImage=imageTree.getLeafValue(source).image;
/* Store a new image structure in the image tree: */
ImageID resultId=imageTree.insertLeaf(Misc::stringPrintf("/_computedTextures/tex%06d",numTextures).c_str(),Image());
Image& result=imageTree.getLeafValue(resultId);
Images::RGBAImage& resultImage=result.image;
result.textureIndex=numTextures;
++numTextures;
/* Compute the result image's pixels: */
resultImage=Images::RGBAImage(sourceImage.getWidth(),sourceImage.getHeight());
for(unsigned int y=0;y<resultImage.getHeight();++y)
{
const Images::RGBAImage::Color* sourceRow=sourceImage.getPixelRow(y);
Images::RGBAImage::Color* destRow=resultImage.modifyPixelRow(y);
for(unsigned int x=0;x<resultImage.getWidth();++x)
{
Geometry::Vector<float,3> g;
if(x==0)
g[0]=float(sourceRow[x+1][0])-float(sourceRow[x][0]);
else if(x==resultImage.getWidth()-1)
g[0]=float(sourceRow[x][0])-float(sourceRow[x-1][0]);
else
g[0]=float(sourceRow[x+1][0])-float(sourceRow[x-1][0]);
if(y==0)
g[1]=float((sourceRow+resultImage.getWidth())[x][0])-float(sourceRow[x][0]);
else if(y==resultImage.getHeight()-1)
g[1]=float(sourceRow[x][0])-float((sourceRow-resultImage.getWidth())[x][0]);
else
g[1]=float((sourceRow+resultImage.getWidth())[x][0])-float((sourceRow-resultImage.getWidth())[x][0]);
g[2]=128.0f/bumpiness;
destRow[x]=encodeNormal(g);
}
}
/* Return the result image ID: */
return resultId;
}
Doom3TextureManager::ImageID Doom3TextureManager::computeAddNormals(const Doom3TextureManager::ImageID& source1,const Doom3TextureManager::ImageID& source2)
{
/* Get a reference to the source images: */
const Images::RGBAImage& source1Image=imageTree.getLeafValue(source1).image;
Images::RGBAImage source2Image=imageTree.getLeafValue(source2).image;
if(source1Image.getWidth()!=source2Image.getWidth()||source1Image.getHeight()!=source2Image.getHeight())
{
/* Resample the second image to match the first image's size: */
source2Image.resize(source1Image.getWidth(),source1Image.getHeight());
}
/* Store a new image structure in the image tree: */
ImageID resultId=imageTree.insertLeaf(Misc::stringPrintf("/_computedTextures/tex%06d",numTextures).c_str(),Image());
Image& result=imageTree.getLeafValue(resultId);
Images::RGBAImage& resultImage=result.image;
result.textureIndex=numTextures;
++numTextures;
/* Compute the result image's pixels: */
resultImage=Images::RGBAImage(source1Image.getWidth(),source1Image.getHeight());
for(unsigned int y=0;y<resultImage.getHeight();++y)
{
const Images::RGBAImage::Color* source1Row=source1Image.getPixelRow(y);
const Images::RGBAImage::Color* source2Row=source2Image.getPixelRow(y);
Images::RGBAImage::Color* destRow=resultImage.modifyPixelRow(y);
for(unsigned int x=0;x<resultImage.getWidth();++x)
{
Geometry::Vector<float,3> g;
for(int i=0;i<3;++i)
g[i]=float(source1Row[x][i])+float(source2Row[x][i])-256.0f;
destRow[x]=encodeNormal(g);
}
}
/* Return the result image ID: */
return resultId;
}
