nuclear@1: Volume::Volume(int xsz, int ysz, int zsz)
nuclear@1: {
nuclear@1: 	this->xsz = xsz;
nuclear@1: 	this->ysz = ysz;
nuclear@1: 	this->zsz = zsz;
nuclear@1: 	slice_size = xsz * ysz;
nuclear@1: 
nuclear@1: 	voxels = new Vector4[xsz * ysz * zsz];
nuclear@1: 
nuclear@1: 	// precalculate slice start pointers, cause why not...
nuclear@1: 	slices = new Vector4*[zsz];
nuclear@1: 	for(int i=0; i<zsz; i++) {
nuclear@1: 		slices[i] = voxels + i * slice_size;
nuclear@1: 	}
nuclear@1: }
nuclear@1: 
nuclear@1: Volume::~Volume()
nuclear@1: {
nuclear@1: 	delete [] voxels;
nuclear@1: }
nuclear@1: 
nuclear@1: int Volume::get_size(int idx) const
nuclear@1: {
nuclear@1: 	switch(idx) {
nuclear@1: 	case 0:
nuclear@1: 		return xsz;
nuclear@1: 	case 1:
nuclear@1: 		return ysz;
nuclear@1: 	case 2:
nuclear@1: 		return zsz;
nuclear@1: 	default:
nuclear@1: 		break;
nuclear@1: 	}
nuclear@1: 	return xsz * ysz * zsz;
nuclear@1: }
nuclear@1: 
nuclear@1: void Volume::set_voxel(int x, int y, int z, const Vector4 &val)
nuclear@1: {
nuclear@1: 	slices[z][y * xsz + x] = val;
nuclear@1: }
nuclear@1: 
nuclear@1: void Volume::set_voxel_color(int x, int y, int z, const Vector3 &col)
nuclear@1: {
nuclear@1: 	Vector4 *ptr = slices[z] + y * xsz + x;
nuclear@1: 	ptr->x = col.x;
nuclear@1: 	ptr->y = col.y;
nuclear@1: 	ptr->z = col.z;
nuclear@1: }
nuclear@1: 
nuclear@1: void Volume::set_voxel_alpha(int x, int y, int z, float alpha)
nuclear@1: {
nuclear@1: 	slices[z][y * xsz + x].w = alpha;
nuclear@1: }
nuclear@1: 
nuclear@1: 
nuclear@1: const Vector4 &Volume::get_voxel(int x, int y, int z) const
nuclear@1: {
nuclear@1: 	return slices[z][y * xsz + x];
nuclear@1: }
nuclear@1: 
nuclear@1: const Vector3 Volume::get_voxel_color(int x, int y, int z) const
nuclear@1: {
nuclear@1: 	Vector4 *ptr = slices[z] + y * xsz + x;
nuclear@1: 	return Vector3(ptr->x, ptr->y, ptr->z);
nuclear@1: }
nuclear@1: 
nuclear@1: float Volume::get_voxel_alpha(int x, int y, int z) const
nuclear@1: {
nuclear@1: 	return slices[z][y * xsz + x].w;
nuclear@1: }
nuclear@1: 
nuclear@1: 
nuclear@1: Vector4 &Volume::operator [](int idx)
nuclear@1: {
nuclear@1: 	return voxels[idx];
nuclear@1: }
nuclear@1: 
nuclear@1: const Vector4 &Volume::operator [](int idx) const
nuclear@1: {
nuclear@1: 	return voxels[idx];
nuclear@1: }
nuclear@1: 
nuclear@1: 
nuclear@1: const Vector4 *Volume::get_data_ptr() const
nuclear@1: {
nuclear@1: 	return voxels;
nuclear@1: }
nuclear@1: