82 lines
3.1 KiB
Plaintext
82 lines
3.1 KiB
Plaintext
// Filename: nodeTransitions.I
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// Created by: drose (20Mar00)
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//
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////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////
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// Function: NodeTransitions::set_transition
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// Access: Public
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// Description: This flavor of set_transition() accepts a pointer to
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// a NodeTransition only. It infers the type of the
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// NodeTransition from the pointer. However, it is not
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// valid to pass a NULL pointer to this flavor of
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// set_transition; if the pointer might be NULL, use the
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// above flavor instead (or just call clear_transition).
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////////////////////////////////////////////////////////////////////
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INLINE PT(NodeTransition) NodeTransitions::
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set_transition(NodeTransition *trans) {
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nassertr(trans != (NodeTransition *)NULL, NULL);
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nassertr(trans->get_handle() != TypeHandle::none(), NULL);
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return set_transition(trans->get_handle(), trans);
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}
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////////////////////////////////////////////////////////////////////
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// Function: NodeTransitions::size
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// Access: Public
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// Description:
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////////////////////////////////////////////////////////////////////
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INLINE NodeTransitions::size_type NodeTransitions::
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size() const {
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return _transitions.size();
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}
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////////////////////////////////////////////////////////////////////
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// Function: NodeTransitions::begin
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// Access: Public
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// Description:
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////////////////////////////////////////////////////////////////////
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INLINE NodeTransitions::const_iterator NodeTransitions::
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begin() const {
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return _transitions.begin();
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}
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////////////////////////////////////////////////////////////////////
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// Function: NodeTransitions::end
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// Access: Public
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// Description:
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////////////////////////////////////////////////////////////////////
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INLINE NodeTransitions::const_iterator NodeTransitions::
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end() const {
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return _transitions.end();
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}
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////////////////////////////////////////////////////////////////////
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// Function: get_transition_into
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// Description: This external template function is handy for
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// extracting a transition of a particular type from the
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// set. If the transition exists, it is automatically
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// downcasted to the correct type and stored in the
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// pointer given in the first parameter, and the return
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// value is true. If the transition does not exist, the
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// pointer is filled with NULL and the return value is
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// false.
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////////////////////////////////////////////////////////////////////
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template<class Transition>
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INLINE bool
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get_transition_into(Transition *&ptr, const NodeTransitions &trans,
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TypeHandle transition_type) {
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NodeTransition *nt = trans.get_transition(transition_type);
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if (nt == (NodeTransition *)NULL) {
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ptr = (Transition *)NULL;
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return false;
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}
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DCAST_INTO_R(ptr, nt, false);
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return true;
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}
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template<class Transition>
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INLINE bool
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get_transition_into(Transition *&ptr, const NodeTransitions &trans) {
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return get_transition_into(ptr, trans, Transition::get_class_type());
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}
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