Panda3D
Public Member Functions | Static Public Member Functions | Protected Types | Protected Member Functions | Protected Attributes

CollisionHandlerGravity Class Reference

A specialized kind of CollisionHandler that sets the Z height of the collider to a fixed linear offset from the highest detected collision point each frame. More...

#include "collisionHandlerGravity.h"

Inheritance diagram for CollisionHandlerGravity:
CollisionHandlerPhysical CollisionHandlerEvent CollisionHandler TypedReferenceCount TypedObject ReferenceCount MemoryBase MemoryBase

List of all members.

Public Member Functions

void add_again_pattern (const string &again_pattern)
 Adds the pattern string that indicates how the event names are generated when a collision between two particular nodes is *still* detected.
void add_collider (const NodePath &collider, const NodePath &target)
 Adds a new collider to the list with a NodePath that will be updated with the collider's new position, or updates the existing collider with a new NodePath object.
void add_collider (const NodePath &collider, const NodePath &target, DriveInterface *drive_interface)
 Adds a new collider to the list with a NodePath that will be updated with the collider's new position, or updates the existing collider with a new NodePath object.
virtual void add_entry (CollisionEntry *entry)
 Called between a begin_group() .
void add_in_pattern (const string &in_pattern)
 Adds a pattern string to the list of events that will be generated in response to a collision.
void add_out_pattern (const string &out_pattern)
 Adds the pattern string that indicates how the event names are generated when a collision between two particular nodes is *no longer* detected.
void add_velocity (float velocity)
 Adds the sepcified amount to the current velocity.
TypedObjectas_typed_object ()
 Returns the object, upcast (if necessary) to a TypedObject pointer.
const TypedObjectas_typed_object () const
 Returns the object, upcast (if necessary) to a TypedObject pointer.
virtual void begin_group ()
 Will be called by the CollisionTraverser before a new traversal is begun.
void clear ()
 Empties the list of elements that all colliders are known to be colliding with.
void clear_again_patterns ()
 Removes all of the previously-added in patterns.
void clear_center ()
 Clears the center NodePath specified with set_center.
void clear_colliders ()
 Completely empties the list of colliders this handler knows about.
void clear_in_patterns ()
 Removes all of the previously-added in patterns.
void clear_out_patterns ()
 Removes all of the previously-added in patterns.
virtual bool end_group ()
 Called by the CollisionTraverser at the completion of all collision detections for this traversal.
void flush ()
 Same as clear() except "out" events are thrown.
virtual TypeHandle force_init_type ()
string get_again_pattern (int n) const
 Returns the nth pattern string that indicates how the event names are generated for each collision detected.
float get_airborne_height () const
 Return the height of the object from the ground.
int get_best_parent_from_Set (const std::set< int > &) const
const NodePathget_center () const
 Returns the NodePath specified with set_center, or the empty NodePath if nothing has been specified.
const LVector3fget_contact_normal () const
float get_gravity () const
 Gets the linear gravity force (always plumb).
float get_impact_velocity () const
 How hard did the object hit the ground.
string get_in_pattern (int n) const
 Returns the nth pattern string that indicates how the event names are generated for each collision detected.
bool get_legacy_mode () const
 returns true if legacy mode is enabled
float get_max_velocity () const
 Retrieves the maximum speed at which the object will be allowed to descend towards a floor below it, in units per second.
int get_num_again_patterns () const
 Returns the number of in pattern strings that have been added.
int get_num_in_patterns () const
 Returns the number of in pattern strings that have been added.
int get_num_out_patterns () const
 Returns the number of in pattern strings that have been added.
float get_offset () const
 Returns the linear offset to add to (or subtract from) the highest detected collision point to determine the actual height at which to set the collider.
string get_out_pattern (int n) const
 Returns the nth pattern string that indicates how the event names are generated for each collision detected.
float get_reach () const
 Returns the reach to add to (or subtract from) the highest collision point.
int get_ref_count () const
 Returns the current reference count.
virtual TypeHandle get_type () const
int get_type_index () const
 Returns the internal index number associated with this object's TypeHandle, a unique number for each different type.
float get_velocity () const
 Gets the current vertical velocity.
WeakReferenceListget_weak_list () const
 Returns the WeakReferenceList associated with this ReferenceCount object.
bool has_center () const
 Returns true if a NodePath has been specified with set_center(), false otherwise.
bool has_collider (const NodePath &collider) const
 Returns true if the handler knows about the indicated collider, false otherwise.
bool has_contact () const
 Did the handler make any contacts with anything on the last collision pass? Depending on how your world is setup, this can be used to tell if the handler is out of the world (i.e.
bool has_weak_list () const
 Returns true if this particular ReferenceCount object has a WeakReferenceList created, false otherwise.
bool is_exact_type (TypeHandle handle) const
 Returns true if the current object is the indicated type exactly.
bool is_of_type (TypeHandle handle) const
 Returns true if the current object is or derives from the indicated type.
bool is_on_ground () const
 Is the object at rest?
void local_object ()
 This function should be called, once, immediately after creating a new instance of some ReferenceCount-derived object on the stack.
 MAKE_SEQ (get_in_patterns, get_num_in_patterns, get_in_pattern)
 MAKE_SEQ (get_again_patterns, get_num_again_patterns, get_again_pattern)
 MAKE_SEQ (get_out_patterns, get_num_out_patterns, get_out_pattern)
void operator delete (void *ptr, void *)
void operator delete (void *ptr, void *)
void operator delete (void *ptr)
void operator delete (void *ptr)
void operator delete[] (void *ptr)
void operator delete[] (void *, void *)
void operator delete[] (void *, void *)
void operator delete[] (void *ptr)
void * operator new (size_t size)
void * operator new (size_t size, void *ptr)
void * operator new (size_t size)
void * operator new (size_t size, void *ptr)
void * operator new[] (size_t size)
void * operator new[] (size_t size, void *ptr)
void * operator new[] (size_t size)
void * operator new[] (size_t size, void *ptr)
void ref () const
 Explicitly increments the reference count.
bool remove_collider (const NodePath &collider)
 Removes the collider from the list of colliders that this handler knows about.
void set_again_pattern (const string &again_pattern)
 This method is deprecated; it completely replaces all the in patterns that have previously been set with the indicated pattern.
void set_center (const NodePath &center)
 Specifies an arbitrary NodePath that the handler is always considered to be facing.
void set_gravity (float gravity)
 Sets the linear gravity force (always plumb).
void set_in_pattern (const string &in_pattern)
 This method is deprecated; it completely replaces all the in patterns that have previously been set with the indicated pattern.
void set_legacy_mode (bool legacy_mode)
 Enables old behavior required by Toontown (Sellbot Factory lava room is good test case, lava and conveyor belt specifically).
void set_max_velocity (float max_vel)
 Sets the maximum speed at which the object will be allowed to descend towards a floor below it, in units per second.
void set_offset (float offset)
 Sets the linear offset to add to (or subtract from) the highest detected collision point to determine the actual height at which to set the collider.
void set_out_pattern (const string &out_pattern)
 This method is deprecated; it completely replaces all the in patterns that have previously been set with the indicated pattern.
void set_reach (float reach)
 Sets the reach to add to (or subtract from) the highest collision point.
void set_root (const NodePath &root)
 Sets the root of the collision traversal.
void set_velocity (float velocity)
 Sets the current vertical velocity.
bool test_ref_count_integrity () const
 Does some easy checks to make sure that the reference count isn't completely bogus.
bool test_ref_count_nonzero () const
 Does some easy checks to make sure that the reference count isn't zero, or completely bogus.
virtual bool unref () const
 Explicitly decrements the reference count.
bool wants_all_potential_collidees () const
 Returns true if handler wants to know about all solids that are within the collider's bounding volume.
void weak_ref (WeakPointerToVoid *ptv)
 Adds the indicated PointerToVoid as a weak reference to this object.
void weak_unref (WeakPointerToVoid *ptv)
 Removes the indicated PointerToVoid as a weak reference to this object.

Static Public Member Functions

static TypeHandle get_class_type ()
static void init_type ()
 This function is declared non-inline to work around a compiler bug in g++ 2.96.

Protected Types

typedef pmap< NodePath,
ColliderDef
Colliders
typedef pset< PT(CollisionEntry),
SortEntries
Colliding
typedef pvector< PT(CollisionEntry) > Entries
typedef pmap< NodePath, Entries > FromEntries

Protected Member Functions

virtual void apply_linear_force (ColliderDef &def, const LVector3f &force)
bool do_test_ref_count_integrity () const
 Does some easy checks to make sure that the reference count isn't completely bogus.
bool do_test_ref_count_nonzero () const
 Returns true if the reference count is nonzero, false otherwise.
virtual bool handle_entries ()
 Called by the parent class after all collisions have been detected, this manages the various collisions and moves around the nodes as necessary.
float set_highest_collision (const NodePath &target_node_path, const NodePath &from_node_path, const Entries &entries)
void throw_event_for (const vector_string &patterns, CollisionEntry *entry)
 Throws whatever events are suggested by the list of patterns.
void throw_event_pattern (const string &pattern, CollisionEntry *entry)
 Throws an event matching the indicated pattern.
virtual bool validate_target (const NodePath &target)
 Called internally to validate the target passed to add_collider().

Protected Attributes

vector_string _again_patterns
NodePath _center
Colliders _colliders
Colliding _current_colliding
FromEntries _from_entries
bool _has_contact
vector_string _in_patterns
int _index
Colliding _last_colliding
vector_string _out_patterns
const NodePath_root
bool _wants_all_potential_collidees

Detailed Description

A specialized kind of CollisionHandler that sets the Z height of the collider to a fixed linear offset from the highest detected collision point each frame.

It's intended to implement walking around on a floor of varying height by casting a ray down from the avatar's head.

Definition at line 31 of file collisionHandlerGravity.h.


Member Function Documentation

void CollisionHandlerEvent::add_again_pattern ( const string &  again_pattern) [inline, inherited]

Adds the pattern string that indicates how the event names are generated when a collision between two particular nodes is *still* detected.

This event is thrown each consecutive time a collision between two particular nodes is detected, starting with the second time.

In general, the in_pattern event is thrown on the first detection of a collision between two particular nodes. In subsequent passes, as long as a collision between those two nodes continues to be detected each frame, the again_pattern is thrown. The first frame in which the collision is no longer detected, the out_pattern event is thrown.

Definition at line 169 of file collisionHandlerEvent.I.

Referenced by CollisionHandlerEvent::set_again_pattern().

void CollisionHandlerPhysical::add_collider ( const NodePath collider,
const NodePath target 
) [inherited]

Adds a new collider to the list with a NodePath that will be updated with the collider's new position, or updates the existing collider with a new NodePath object.

Definition at line 115 of file collisionHandlerPhysical.cxx.

References NodePath::is_empty(), TypedObject::is_of_type(), NodePath::node(), and CollisionHandlerPhysical::validate_target().

void CollisionHandlerPhysical::add_collider ( const NodePath collider,
const NodePath target,
DriveInterface drive_interface 
) [inherited]

Adds a new collider to the list with a NodePath that will be updated with the collider's new position, or updates the existing collider with a new NodePath object.

The indicated DriveInterface will also be updated with the target's new transform each frame. This method should be used when the target is directly controlled by a DriveInterface.

Definition at line 135 of file collisionHandlerPhysical.cxx.

References NodePath::is_empty(), TypedObject::is_of_type(), NodePath::node(), and CollisionHandlerPhysical::validate_target().

void CollisionHandlerPhysical::add_entry ( CollisionEntry entry) [virtual, inherited]
void CollisionHandlerEvent::add_in_pattern ( const string &  in_pattern) [inline, inherited]

Adds a pattern string to the list of events that will be generated in response to a collision.

The pattern string describes how the event name will be composed. It is a string that may contain any of the following:

fn - the name of the "from" object's node in - the name of the "into" object's node fs - 't' if "from" is tangible, 'i' if intangible is - 't' if "into" is tangible, 'i' if intangible ig - 'c' if the collision is into a CollisionNode, 'g' if it is a geom.

%(tag)fh - generate event only if "from" node has the indicated net tag. %(tag)fx - generate event only if "from" node does not have the indicated net tag. %(tag)ih - generate event only if "into" node has the indicated net tag. %(tag)ix - generate event only if "into" node does not have the indicated net tag. %(tag)ft - the indicated net tag value of the "from" node. %(tag)it - the indicated net tag value of the "into" node.

Parentheses in the above are literal and should be included in the actual pattern.

The event name will be based on the in_pattern string specified here, with all occurrences of the above strings replaced with the corresponding values.

In general, the in_pattern event is thrown on the first detection of a collision between two particular nodes. In subsequent passes, as long as a collision between those two nodes continues to be detected each frame, the again_pattern is thrown. The first frame in which the collision is no longer detected, the out_pattern event is thrown.

Definition at line 98 of file collisionHandlerEvent.I.

Referenced by CollisionHandlerEvent::set_in_pattern().

void CollisionHandlerEvent::add_out_pattern ( const string &  out_pattern) [inline, inherited]

Adds the pattern string that indicates how the event names are generated when a collision between two particular nodes is *no longer* detected.

In general, the in_pattern event is thrown on the first detection of a collision between two particular nodes. In subsequent passes, as long as a collision between those two nodes continues to be detected each frame, the again_pattern is thrown. The first frame in which the collision is no longer detected, the out_pattern event is thrown.

Definition at line 237 of file collisionHandlerEvent.I.

Referenced by CollisionHandlerEvent::set_out_pattern().

void CollisionHandlerGravity::add_velocity ( float  velocity) [inline]

Adds the sepcified amount to the current velocity.

This is mostly here allow this common operation to be faster for scripting, but it's also more concise even in cpp.

Definition at line 125 of file collisionHandlerGravity.I.

TypedObject * TypedObject::as_typed_object ( ) [inline, inherited]

Returns the object, upcast (if necessary) to a TypedObject pointer.

Definition at line 99 of file typedObject.I.

const TypedObject * TypedObject::as_typed_object ( ) const [inline, inherited]

Returns the object, upcast (if necessary) to a TypedObject pointer.

Definition at line 110 of file typedObject.I.

void CollisionHandlerPhysical::begin_group ( ) [virtual, inherited]

Will be called by the CollisionTraverser before a new traversal is begun.

It instructs the handler to reset itself in preparation for a number of CollisionEntries to be sent.

Reimplemented from CollisionHandlerEvent.

Definition at line 51 of file collisionHandlerPhysical.cxx.

void CollisionHandlerEvent::clear ( ) [inherited]

Empties the list of elements that all colliders are known to be colliding with.

No "out" events will be thrown; if the same collision is detected next frame, a new "in" event will be thrown for each collision.

This can be called each frame to defeat the persistent "in" event mechanism, which prevents the same "in" event from being thrown repeatedly. However, also see add_again_pattern(), which can be used to set the event that is thrown when a collision is detected for two or more consecutive frames.

Definition at line 156 of file collisionHandlerEvent.cxx.

void CollisionHandlerEvent::clear_again_patterns ( ) [inline, inherited]

Removes all of the previously-added in patterns.

See add_again_pattern.

Definition at line 146 of file collisionHandlerEvent.I.

Referenced by CollisionHandlerEvent::set_again_pattern().

void CollisionHandlerPhysical::clear_center ( ) [inline, inherited]

Clears the center NodePath specified with set_center.

Definition at line 36 of file collisionHandlerPhysical.I.

void CollisionHandlerPhysical::clear_colliders ( ) [inherited]

Completely empties the list of colliders this handler knows about.

Definition at line 177 of file collisionHandlerPhysical.cxx.

void CollisionHandlerEvent::clear_in_patterns ( ) [inline, inherited]

Removes all of the previously-added in patterns.

See add_in_pattern.

Definition at line 52 of file collisionHandlerEvent.I.

Referenced by CollisionHandlerEvent::set_in_pattern().

void CollisionHandlerEvent::clear_out_patterns ( ) [inline, inherited]

Removes all of the previously-added in patterns.

See add_out_pattern.

Definition at line 217 of file collisionHandlerEvent.I.

Referenced by CollisionHandlerEvent::set_out_pattern().

bool ReferenceCount::do_test_ref_count_integrity ( ) const [protected, inherited]

Does some easy checks to make sure that the reference count isn't completely bogus.

Returns true if ok, false otherwise.

Reimplemented in NodeReferenceCount, CachedTypedWritableReferenceCount, and NodeCachedReferenceCount.

Definition at line 29 of file referenceCount.cxx.

Referenced by ReferenceCount::do_test_ref_count_nonzero(), and ReferenceCount::test_ref_count_integrity().

bool ReferenceCount::do_test_ref_count_nonzero ( ) const [protected, inherited]

Returns true if the reference count is nonzero, false otherwise.

Definition at line 56 of file referenceCount.cxx.

References ReferenceCount::do_test_ref_count_integrity().

Referenced by ReferenceCount::test_ref_count_nonzero().

bool CollisionHandlerPhysical::end_group ( ) [virtual, inherited]

Called by the CollisionTraverser at the completion of all collision detections for this traversal.

It should do whatever finalization is required for the handler.

Reimplemented from CollisionHandlerEvent.

Definition at line 99 of file collisionHandlerPhysical.cxx.

void CollisionHandlerEvent::flush ( void  ) [inherited]

Same as clear() except "out" events are thrown.

Definition at line 167 of file collisionHandlerEvent.cxx.

References CollisionHandlerEvent::begin_group(), and CollisionHandlerEvent::end_group().

string CollisionHandlerEvent::get_again_pattern ( int  n) const [inline, inherited]

Returns the nth pattern string that indicates how the event names are generated for each collision detected.

See add_again_pattern().

Definition at line 205 of file collisionHandlerEvent.I.

float CollisionHandlerGravity::get_airborne_height ( ) const [inline]

Return the height of the object from the ground.

The object might not necessarily be at rest. Use is_on_ground() if you want to know whether the object is on the ground and at rest.

See Also: is_in_outer_space()

Definition at line 74 of file collisionHandlerGravity.I.

Referenced by is_on_ground().

const NodePath & CollisionHandlerPhysical::get_center ( ) const [inline, inherited]

Returns the NodePath specified with set_center, or the empty NodePath if nothing has been specified.

Definition at line 47 of file collisionHandlerPhysical.I.

float CollisionHandlerGravity::get_gravity ( ) const [inline]

Gets the linear gravity force (always plumb).

Definition at line 175 of file collisionHandlerGravity.I.

float CollisionHandlerGravity::get_impact_velocity ( ) const [inline]

How hard did the object hit the ground.

This value is set on impact with the ground. You may want to watch (poll) on is_on_groun() and when that is true, call get_impact_velocity(). Normally I avoid polling, but we are calling is_on_ground() frequently anyway.

Definition at line 102 of file collisionHandlerGravity.I.

string CollisionHandlerEvent::get_in_pattern ( int  n) const [inline, inherited]

Returns the nth pattern string that indicates how the event names are generated for each collision detected.

See add_in_pattern().

Definition at line 134 of file collisionHandlerEvent.I.

bool CollisionHandlerGravity::get_legacy_mode ( ) const [inline]

returns true if legacy mode is enabled

Definition at line 224 of file collisionHandlerGravity.I.

float CollisionHandlerGravity::get_max_velocity ( ) const [inline]

Retrieves the maximum speed at which the object will be allowed to descend towards a floor below it, in units per second.

See set_max_velocity().

Definition at line 200 of file collisionHandlerGravity.I.

int CollisionHandlerEvent::get_num_again_patterns ( ) const [inline, inherited]

Returns the number of in pattern strings that have been added.

Definition at line 193 of file collisionHandlerEvent.I.

int CollisionHandlerEvent::get_num_in_patterns ( ) const [inline, inherited]

Returns the number of in pattern strings that have been added.

Definition at line 122 of file collisionHandlerEvent.I.

int CollisionHandlerEvent::get_num_out_patterns ( ) const [inline, inherited]

Returns the number of in pattern strings that have been added.

Definition at line 261 of file collisionHandlerEvent.I.

float CollisionHandlerGravity::get_offset ( ) const [inline]

Returns the linear offset to add to (or subtract from) the highest detected collision point to determine the actual height at which to set the collider.

Definition at line 36 of file collisionHandlerGravity.I.

string CollisionHandlerEvent::get_out_pattern ( int  n) const [inline, inherited]

Returns the nth pattern string that indicates how the event names are generated for each collision detected.

See add_out_pattern().

Definition at line 273 of file collisionHandlerEvent.I.

float CollisionHandlerGravity::get_reach ( ) const [inline]

Returns the reach to add to (or subtract from) the highest collision point.

Definition at line 58 of file collisionHandlerGravity.I.

int ReferenceCount::get_ref_count ( ) const [inline, inherited]
int TypedObject::get_type_index ( ) const [inline, inherited]

Returns the internal index number associated with this object's TypeHandle, a unique number for each different type.

This is equivalent to get_type().get_index().

Definition at line 52 of file typedObject.I.

References TypeHandle::get_index().

float CollisionHandlerGravity::get_velocity ( ) const [inline]

Gets the current vertical velocity.

Generally, negative values mean the object is in free fall; while postive values mean the object has vertical thrust.

A zero value does not necessarily mean the object on the ground, it may also be weightless and/or at the apex of its jump.

See Also: is_on_ground() and get_gravity()

Definition at line 155 of file collisionHandlerGravity.I.

WeakReferenceList * ReferenceCount::get_weak_list ( ) const [inline, inherited]

Returns the WeakReferenceList associated with this ReferenceCount object.

If there has never been a WeakReferenceList associated with this object, creates one now.

Definition at line 307 of file referenceCount.I.

Referenced by ReferenceCount::weak_ref().

bool CollisionHandlerGravity::handle_entries ( ) [protected, virtual]

Called by the parent class after all collisions have been detected, this manages the various collisions and moves around the nodes as necessary.

The return value is normally true, but it may be false to indicate the CollisionTraverser should disable this handler from being called in the future.

Implements CollisionHandlerPhysical.

Definition at line 224 of file collisionHandlerGravity.cxx.

References ClockObject::get_dt(), ClockObject::get_global_clock(), NodePath::get_transform(), NodePath::set_transform(), and CollisionHandlerPhysical::ColliderDef::updated_transform().

bool CollisionHandlerPhysical::has_center ( ) const [inline, inherited]

Returns true if a NodePath has been specified with set_center(), false otherwise.

Definition at line 58 of file collisionHandlerPhysical.I.

References NodePath::is_empty().

Referenced by CollisionHandlerPhysical::add_entry().

bool CollisionHandlerPhysical::has_collider ( const NodePath collider) const [inherited]

Returns true if the handler knows about the indicated collider, false otherwise.

Definition at line 165 of file collisionHandlerPhysical.cxx.

bool CollisionHandlerPhysical::has_contact ( ) const [inline, inherited]

Did the handler make any contacts with anything on the last collision pass? Depending on how your world is setup, this can be used to tell if the handler is out of the world (i.e.

out of bounds). That is the original use of this call.

Definition at line 72 of file collisionHandlerPhysical.I.

bool ReferenceCount::has_weak_list ( ) const [inline, inherited]

Returns true if this particular ReferenceCount object has a WeakReferenceList created, false otherwise.

In general, this will be true if there was ever a WeakPointerTo created for this object (even if there is not any for it now).

Definition at line 294 of file referenceCount.I.

Referenced by ReferenceCount::weak_unref().

static void CollisionHandlerGravity::init_type ( ) [inline, static]

This function is declared non-inline to work around a compiler bug in g++ 2.96.

Making it inline seems to cause problems in the optimizer.

Reimplemented from CollisionHandlerPhysical.

Definition at line 81 of file collisionHandlerGravity.h.

References CollisionHandlerPhysical::init_type().

bool TypedObject::is_exact_type ( TypeHandle  handle) const [inline, inherited]
bool TypedObject::is_of_type ( TypeHandle  handle) const [inline, inherited]

Returns true if the current object is or derives from the indicated type.

Definition at line 63 of file typedObject.I.

References TypeHandle::is_derived_from().

Referenced by EggSliderData::add_back_pointer(), EggJointData::add_back_pointer(), CIntervalManager::add_c_interval(), XFileNode::add_child(), CollisionTraverser::add_collider(), CollisionHandlerPhysical::add_collider(), EggXfmSAnim::add_data(), CharacterJointBundle::add_node(), NonlinearImager::add_screen(), EggGroupNode::apply_first_attribute(), EggGroupNode::apply_last_attribute(), DeferredNodeProperty::apply_to_node(), RecorderController::begin_playback(), NodePath::clear_clip_plane(), EggGroupNode::clear_connected_shading(), NodePath::clear_light(), EggBase::convert_paths(), NodePath::decode_from_bam_stream(), VrpnClient::disconnect_device(), PhysicsManager::do_physics(), GraphicsStateGuardian::fetch_specified_part(), EggRenderState::fill_state(), AnimBundleNode::find_anim_bundle(), EggGroupNode::find_coordsys_entry(), XFile::find_data_object(), Character::find_joint(), EggGroupNode::find_materials(), Character::find_slider(), XFile::find_template(), EggGroupNode::find_textures(), EggMaterialCollection::find_used_materials(), EggTextureCollection::find_used_textures(), EggGroupNode::force_filenames(), EggJointData::force_initial_rest_frame(), WindowFramework::get_aspect_2d(), EggPoolUniquifier::get_category(), EggGroupUniquifier::get_category(), EggGroupNode::get_connected_shading(), PandaFramework::get_mouse(), FactoryParams::get_param_of_type(), EggGroupNode::has_absolute_pathnames(), NodePath::has_clip_plane(), NodePath::has_clip_plane_off(), NodePath::has_light(), PandaFramework::hide_collision_solids(), x11GraphicsWindow::open_window(), eglGraphicsWindow::open_window(), EggNode::parse_egg(), CharacterMaker::part_to_node(), EggGroupNode::post_apply_flat_attribute(), EggBinner::prepare_node(), PortalClipper::prepare_portal(), NodePath::project_texture(), EggMatrixTablePointer::quantize_channels(), ParametricCurveCollection::r_add_curves(), SceneGraphReducer::r_collect_vertex_data(), EggGroupNode::r_load_externals(), EggGroupNode::rebuild_vertex_pools(), EggGroupNode::recompute_polygon_normals(), EggGroupNode::remove_invalid_primitives(), EggGroupNode::remove_unused_vertices(), EggLoader::reparent_decals(), EggMaterialCollection::replace_materials(), EggTextureCollection::replace_textures(), EggGroupNode::resolve_filenames(), EggGroupNode::reverse_vertex_ordering(), NodePath::set_clip_plane(), NodePath::set_clip_plane_off(), NodePath::set_light(), ProjectionScreen::set_projector(), NonlinearImager::set_source_camera(), EggXfmSAnim::set_value(), NonlinearImager::set_viewer_camera(), PandaFramework::show_collision_solids(), BamCache::store(), XFileToEggConverter::strip_nodes(), EggGroupNode::strip_normals(), DataGraphTraverser::traverse(), DataGraphTraverser::traverse_below(), EggGroupNode::triangulate_polygons(), EggGroupNode::unify_attributes(), EggNameUniquifier::uniquify(), NodeCullCallbackData::upcall(), PhysicsCollisionHandler::validate_target(), EggXfmSAnim::write(), EggGroup::write(), EggToDXFLayer::write_3d_face(), and EggToDXFLayer::write_entities().

bool CollisionHandlerGravity::is_on_ground ( ) const [inline]

Is the object at rest?

Definition at line 84 of file collisionHandlerGravity.I.

References get_airborne_height().

void ReferenceCount::local_object ( ) [inline, inherited]

This function should be called, once, immediately after creating a new instance of some ReferenceCount-derived object on the stack.

This allows the object to be passed to functions that will increment and decrement the object's reference count temporarily, and it will prevent the object from being deleted (inappropriately), when the reference count returns to zero. It actually achieves this by setting a large positive value in the reference count field.

Definition at line 276 of file referenceCount.I.

Referenced by PGTop::cull_callback(), BoundingSphere::extend_by_hexahedron(), AsyncTaskManager::find_task(), AsyncTaskManager::find_tasks(), and AsyncTaskManager::find_tasks_matching().

void ReferenceCount::ref ( ) const [inline, inherited]

Explicitly increments the reference count.

User code should avoid using ref() and unref() directly, which can result in missed reference counts. Instead, let a PointerTo object manage the reference counting automatically.

This function is const, even though it changes the object, because generally fiddling with an object's reference count isn't considered part of fiddling with the object. An object might be const in other ways, but we still need to accurately count the number of references to it.

Definition at line 179 of file referenceCount.I.

References ReferenceCount::test_ref_count_integrity().

Referenced by CachedTypedWritableReferenceCount::cache_ref(), TypedWritable::decode_raw_from_bam_stream(), NodeCachedReferenceCount::node_ref(), NodeReferenceCount::node_ref(), BamCacheRecord::set_data(), CullableObject::set_draw_callback(), and ModelRoot::set_reference().

bool CollisionHandlerPhysical::remove_collider ( const NodePath collider) [inherited]

Removes the collider from the list of colliders that this handler knows about.

Definition at line 149 of file collisionHandlerPhysical.cxx.

void CollisionHandlerEvent::set_again_pattern ( const string &  again_pattern) [inline, inherited]

This method is deprecated; it completely replaces all the in patterns that have previously been set with the indicated pattern.

Definition at line 181 of file collisionHandlerEvent.I.

References CollisionHandlerEvent::add_again_pattern(), and CollisionHandlerEvent::clear_again_patterns().

void CollisionHandlerPhysical::set_center ( const NodePath center) [inline, inherited]

Specifies an arbitrary NodePath that the handler is always considered to be facing.

It does not detect collisions with surfaces that appear to be facing away from this NodePath. This works best when the collision surfaces in question are polygons.

Definition at line 26 of file collisionHandlerPhysical.I.

void CollisionHandlerGravity::set_gravity ( float  gravity) [inline]

Sets the linear gravity force (always plumb).

Definition at line 165 of file collisionHandlerGravity.I.

void CollisionHandlerEvent::set_in_pattern ( const string &  in_pattern) [inline, inherited]

This method is deprecated; it completely replaces all the in patterns that have previously been set with the indicated pattern.

Definition at line 110 of file collisionHandlerEvent.I.

References CollisionHandlerEvent::add_in_pattern(), and CollisionHandlerEvent::clear_in_patterns().

void CollisionHandlerGravity::set_legacy_mode ( bool  legacy_mode) [inline]

Enables old behavior required by Toontown (Sellbot Factory lava room is good test case, lava and conveyor belt specifically).

Behavior is to throw enter/exit events only for floor that the toon is in contact with

Definition at line 214 of file collisionHandlerGravity.I.

void CollisionHandlerGravity::set_max_velocity ( float  max_velocity) [inline]

Sets the maximum speed at which the object will be allowed to descend towards a floor below it, in units per second.

Set this to zero to allow it to instantly teleport any distance.

Definition at line 188 of file collisionHandlerGravity.I.

void CollisionHandlerGravity::set_offset ( float  offset) [inline]

Sets the linear offset to add to (or subtract from) the highest detected collision point to determine the actual height at which to set the collider.

Definition at line 24 of file collisionHandlerGravity.I.

void CollisionHandlerEvent::set_out_pattern ( const string &  out_pattern) [inline, inherited]

This method is deprecated; it completely replaces all the in patterns that have previously been set with the indicated pattern.

Definition at line 249 of file collisionHandlerEvent.I.

References CollisionHandlerEvent::add_out_pattern(), and CollisionHandlerEvent::clear_out_patterns().

void CollisionHandlerGravity::set_reach ( float  reach) [inline]

Sets the reach to add to (or subtract from) the highest collision point.

Definition at line 47 of file collisionHandlerGravity.I.

void CollisionHandler::set_root ( const NodePath root) [inline, inherited]

Sets the root of the collision traversal.

Only set if wants_all_potential_collidees is true

Definition at line 34 of file collisionHandler.I.

void CollisionHandlerGravity::set_velocity ( float  velocity) [inline]

Sets the current vertical velocity.

Definition at line 135 of file collisionHandlerGravity.I.

bool ReferenceCount::test_ref_count_integrity ( ) const [inline, inherited]
bool ReferenceCount::test_ref_count_nonzero ( ) const [inline, inherited]

Does some easy checks to make sure that the reference count isn't zero, or completely bogus.

Returns true if ok, false otherwise.

Definition at line 252 of file referenceCount.I.

References ReferenceCount::do_test_ref_count_nonzero().

Referenced by CopyOnWritePointer::test_ref_count_nonzero().

void CollisionHandlerEvent::throw_event_for ( const vector_string &  patterns,
CollisionEntry entry 
) [protected, inherited]

Throws whatever events are suggested by the list of patterns.

Definition at line 179 of file collisionHandlerEvent.cxx.

References CollisionHandlerEvent::throw_event_pattern().

Referenced by CollisionHandlerEvent::end_group().

void CollisionHandlerEvent::throw_event_pattern ( const string &  pattern,
CollisionEntry entry 
) [protected, inherited]
bool ReferenceCount::unref ( ) const [inline, virtual, inherited]

Explicitly decrements the reference count.

Note that the object will not be implicitly deleted by unref() simply because the reference count drops to zero. (Having a member function delete itself is problematic.) However, see the helper function unref_delete().

User code should avoid using ref() and unref() directly, which can result in missed reference counts. Instead, let a PointerTo object manage the reference counting automatically.

This function is const, even though it changes the object, because generally fiddling with an object's reference count isn't considered part of fiddling with the object. An object might be const in other ways, but we still need to accurately count the number of references to it.

The return value is true if the new reference count is nonzero, false if it is zero.

Reimplemented in GeomVertexArrayFormat, GeomVertexFormat, InternalName, RenderAttrib, RenderEffects, RenderState, and TransformState.

Definition at line 214 of file referenceCount.I.

References ReferenceCount::test_ref_count_integrity().

Referenced by CachedTypedWritableReferenceCount::cache_unref(), TypedWritable::decode_raw_from_bam_stream(), RenderEffect::finalize(), NodeCachedReferenceCount::node_unref(), NodeReferenceCount::node_unref(), TransformState::unref(), RenderState::unref(), RenderEffects::unref(), RenderAttrib::unref(), InternalName::unref(), GeomVertexFormat::unref(), and GeomVertexArrayFormat::unref().

bool CollisionHandlerPhysical::validate_target ( const NodePath target) [protected, virtual, inherited]

Called internally to validate the target passed to add_collider().

Returns true if acceptable, false otherwise.

Reimplemented in PhysicsCollisionHandler.

Definition at line 189 of file collisionHandlerPhysical.cxx.

References NodePath::is_empty().

Referenced by CollisionHandlerPhysical::add_collider(), and PhysicsCollisionHandler::validate_target().

bool CollisionHandler::wants_all_potential_collidees ( ) const [inline, inherited]

Returns true if handler wants to know about all solids that are within the collider's bounding volume.

Definition at line 23 of file collisionHandler.I.

void ReferenceCount::weak_ref ( WeakPointerToVoid ptv) [inline, inherited]

Adds the indicated PointerToVoid as a weak reference to this object.

Definition at line 321 of file referenceCount.I.

References WeakReferenceList::add_reference(), and ReferenceCount::get_weak_list().

void ReferenceCount::weak_unref ( WeakPointerToVoid ptv) [inline, inherited]

Removes the indicated PointerToVoid as a weak reference to this object.

It must have previously been added via a call to weak_ref().

Definition at line 334 of file referenceCount.I.

References WeakReferenceList::clear_reference(), and ReferenceCount::has_weak_list().


The documentation for this class was generated from the following files:
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