15 #include "scissorAttrib.h" 16 #include "graphicsStateGuardianBase.h" 18 #include "bamReader.h" 19 #include "bamWriter.h" 21 #include "datagramIterator.h" 24 int ScissorAttrib::_attrib_slot;
39 _frame[0] = max(min(_frame[0], (PN_stdfloat)1.0), (PN_stdfloat)0.0);
40 _frame[1] = max(min(_frame[1], (PN_stdfloat)1.0), _frame[0]);
41 _frame[2] = max(min(_frame[2], (PN_stdfloat)1.0), (PN_stdfloat)0.0);
42 _frame[3] = max(min(_frame[3], (PN_stdfloat)1.0), _frame[2]);
53 if (_off_attrib != NULL) {
58 _off_attrib = return_new(attrib);
73 return return_new(attrib);
95 output(ostream &out)
const {
96 out << get_type() <<
":[" << _frame <<
"]";
117 DCAST_INTO_R(ta, other, 0);
119 if (!_off && !ta->_off) {
123 if (_off && !ta->_off) {
127 if (!_off && ta->_off) {
144 size_t ScissorAttrib::
145 get_hash_impl()
const {
177 DCAST_INTO_R(ta, other, 0);
183 LVecBase4 new_frame(max(ta->_frame[0], _frame[0]),
184 min(ta->_frame[1], _frame[1]),
185 max(ta->_frame[2], _frame[2]),
186 min(ta->_frame[3], _frame[3]));
189 return return_new(attrib);
199 register_with_read_factory() {
231 parse_params(params, scan, manager);
232 attrib->fillin(scan, manager);
246 RenderAttrib::fillin(scan, manager);
bool get_bool()
Extracts a boolean value.
This is the base class for a number of render attributes (other than transform) that may be set on sc...
This is the fundamental interface for extracting binary objects from a Bam file, as generated by a Ba...
size_t add_hash(size_t hash) const
Adds the vector into the running hash.
Base class for objects that can be written to and read from Bam files.
This is the fundamental interface for writing binary objects to a Bam file, to be extracted later by ...
virtual void write_datagram(BamWriter *manager, Datagram &dg)
Writes the contents of this object to the datagram for shipping out to a Bam file.
int get_file_minor_ver() const
Returns the minor version number of the Bam file currently being read.
void add_bool(bool value)
Adds a boolean value to the datagram.
virtual void write_datagram(BamWriter *manager, Datagram &dg)
Writes the contents of this object to the datagram for shipping out to a Bam file.
int compare_to(const LVecBase4f &other) const
This flavor of compare_to uses a default threshold value based on the numeric type.
An instance of this class is passed to the Factory when requesting it to do its business and construc...
void read_datagram(DatagramIterator &source)
Reads the vector from the Datagram using get_stdfloat().
void register_factory(TypeHandle handle, CreateFunc *func)
Registers a new kind of thing the Factory will be able to create.
This is the base class for all three-component vectors and points.
void write_datagram(Datagram &destination) const
Writes the vector to the Datagram using add_stdfloat().
static WritableFactory * get_factory()
Returns the global WritableFactory for generating TypedWritable objects.
This restricts rendering to within a rectangular region of the scene, without otherwise affecting the...
A class to retrieve the individual data elements previously stored in a Datagram. ...
TypeHandle is the identifier used to differentiate C++ class types.
An ordered list of data elements, formatted in memory for transmission over a socket or writing to a ...