BlenderSession::BlenderSession(BL::RenderEngine b_engine_, BL::UserPreferences b_userpref_,
BL::BlendData b_data_, BL::Scene b_scene_)
: b_engine(b_engine_), b_userpref(b_userpref_), b_data(b_data_), b_render(b_engine_.render()), b_scene(b_scene_),
b_v3d(PointerRNA_NULL), b_rv3d(PointerRNA_NULL), python_thread_state(NULL)
{
/* offline render */
width = render_resolution_x(b_render);
height = render_resolution_y(b_render);
background = true;
last_redraw_time = 0.0;
start_resize_time = 0.0;
}
static float blender_camera_focal_distance(BL::RenderEngine b_engine, BL::Object b_ob, BL::Camera b_camera)
{
BL::Object b_dof_object = b_camera.dof_object();
if(!b_dof_object)
return b_camera.dof_distance();
/* for dof object, return distance along camera Z direction */
BL::Array<float, 16> b_ob_matrix;
b_engine.camera_model_matrix(b_ob, b_ob_matrix);
Transform obmat = get_transform(b_ob_matrix);
Transform dofmat = get_transform(b_dof_object.matrix_world());
Transform mat = transform_inverse(obmat) * dofmat;
return fabsf(transform_get_column(&mat, 3).z);
}
static float blender_camera_focal_distance(BL::RenderEngine b_engine, BL::Object b_ob, BL::Camera b_camera)
{
BL::Object b_dof_object = b_camera.dof_object();
if(!b_dof_object)
return b_camera.dof_distance();
/* for dof object, return distance along camera Z direction */
BL::Array<float, 16> b_ob_matrix;
b_engine.camera_model_matrix(b_ob, b_ob_matrix);
Transform obmat = get_transform(b_ob_matrix);
Transform dofmat = get_transform(b_dof_object.matrix_world());
float3 view_dir = normalize(transform_get_column(&obmat, 2));
float3 dof_dir = transform_get_column(&obmat, 3) - transform_get_column(&dofmat, 3);
return fabsf(dot(view_dir, dof_dir));
}
static void blender_camera_from_object(BlenderCamera *bcam,
BL::RenderEngine& b_engine,
BL::Object& b_ob,
bool skip_panorama = false)
{
BL::ID b_ob_data = b_ob.data();
if(b_ob_data.is_a(&RNA_Camera)) {
BL::Camera b_camera(b_ob_data);
PointerRNA ccamera = RNA_pointer_get(&b_camera.ptr, "cycles");
bcam->nearclip = b_camera.clip_start();
bcam->farclip = b_camera.clip_end();
switch(b_camera.type())
{
case BL::Camera::type_ORTHO:
bcam->type = CAMERA_ORTHOGRAPHIC;
break;
case BL::Camera::type_PANO:
if(!skip_panorama)
bcam->type = CAMERA_PANORAMA;
else
bcam->type = CAMERA_PERSPECTIVE;
break;
case BL::Camera::type_PERSP:
default:
bcam->type = CAMERA_PERSPECTIVE;
break;
}
switch(RNA_enum_get(&ccamera, "panorama_type"))
{
case 1:
bcam->panorama_type = PANORAMA_FISHEYE_EQUIDISTANT;
break;
case 2:
bcam->panorama_type = PANORAMA_FISHEYE_EQUISOLID;
break;
case 3:
bcam->panorama_type = PANORAMA_MIRRORBALL;
break;
case 0:
default:
bcam->panorama_type = PANORAMA_EQUIRECTANGULAR;
break;
}
bcam->fisheye_fov = RNA_float_get(&ccamera, "fisheye_fov");
bcam->fisheye_lens = RNA_float_get(&ccamera, "fisheye_lens");
bcam->latitude_min = RNA_float_get(&ccamera, "latitude_min");
bcam->latitude_max = RNA_float_get(&ccamera, "latitude_max");
bcam->longitude_min = RNA_float_get(&ccamera, "longitude_min");
bcam->longitude_max = RNA_float_get(&ccamera, "longitude_max");
bcam->ortho_scale = b_camera.ortho_scale();
bcam->lens = b_camera.lens();
/* allow f/stop number to change aperture_size but still
* give manual control over aperture radius */
int aperture_type = RNA_enum_get(&ccamera, "aperture_type");
if(aperture_type == 1) {
float fstop = RNA_float_get(&ccamera, "aperture_fstop");
fstop = max(fstop, 1e-5f);
if(bcam->type == CAMERA_ORTHOGRAPHIC)
bcam->aperturesize = 1.0f/(2.0f*fstop);
else
bcam->aperturesize = (bcam->lens*1e-3f)/(2.0f*fstop);
}
else
bcam->aperturesize = RNA_float_get(&ccamera, "aperture_size");
bcam->apertureblades = RNA_int_get(&ccamera, "aperture_blades");
bcam->aperturerotation = RNA_float_get(&ccamera, "aperture_rotation");
bcam->focaldistance = blender_camera_focal_distance(b_engine, b_ob, b_camera);
bcam->aperture_ratio = RNA_float_get(&ccamera, "aperture_ratio");
bcam->shift.x = b_engine.camera_shift_x(b_ob);
bcam->shift.y = b_camera.shift_y();
bcam->sensor_width = b_camera.sensor_width();
bcam->sensor_height = b_camera.sensor_height();
if(b_camera.sensor_fit() == BL::Camera::sensor_fit_AUTO)
bcam->sensor_fit = BlenderCamera::AUTO;
else if(b_camera.sensor_fit() == BL::Camera::sensor_fit_HORIZONTAL)
bcam->sensor_fit = BlenderCamera::HORIZONTAL;
else
bcam->sensor_fit = BlenderCamera::VERTICAL;
}
else {
/* from lamp not implemented yet */
}
}
static void end_render_result(BL::RenderEngine b_engine, BL::RenderResult b_rr, bool cancel, bool do_merge_results)
{
b_engine.end_result(b_rr, (int)cancel, (int)do_merge_results);
}
static BL::RenderResult begin_render_result(BL::RenderEngine b_engine, int x, int y, int w, int h, const char *layername, const char *viewname)
{
return b_engine.begin_result(x, y, w, h, layername, viewname);
}
static void end_render_result(BL::RenderEngine b_engine, BL::RenderResult b_rr, bool cancel = false)
{
b_engine.end_result(b_rr, (int)cancel);
}
