Panda3D
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fadeLodNode.h
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1/**
2 * PANDA 3D SOFTWARE
3 * Copyright (c) Carnegie Mellon University. All rights reserved.
4 *
5 * All use of this software is subject to the terms of the revised BSD
6 * license. You should have received a copy of this license along
7 * with this source code in a file named "LICENSE."
8 *
9 * @file fadeLodNode.h
10 * @author sshodhan
11 * @date 2004-06-14
12 */
13
14#ifndef FADELODNODE_H
15#define FADELODNODE_H
16
17#include "pandabase.h"
18
19#include "lodNode.h"
20
21/**
22 * A Level-of-Detail node with alpha based switching.
23 */
24class EXPCL_PANDA_PGRAPHNODES FadeLODNode : public LODNode {
25PUBLISHED:
26 explicit FadeLODNode(const std::string &name);
27
28protected:
29 FadeLODNode(const FadeLODNode &copy);
30public:
31 virtual PandaNode *make_copy() const;
32 virtual bool cull_callback(CullTraverser *trav, CullTraverserData &data);
33 virtual void output(std::ostream &out) const;
34
35PUBLISHED:
36 INLINE void set_fade_time(PN_stdfloat t);
37 INLINE PN_stdfloat get_fade_time() const;
38 MAKE_PROPERTY(fade_time, get_fade_time, set_fade_time);
39
40 void set_fade_bin(const std::string &name, int draw_order);
41 INLINE const std::string &get_fade_bin_name() const;
42 INLINE int get_fade_bin_draw_order() const;
43 MAKE_PROPERTY(fade_bin_name, get_fade_bin_name);
44 MAKE_PROPERTY(fade_bin_draw_order, get_fade_bin_draw_order);
45
46 void set_fade_state_override(int override);
47 INLINE int get_fade_state_override() const;
48 MAKE_PROPERTY(fade_state_override, get_fade_state_override,
49 set_fade_state_override);
50
51private:
52 CPT(RenderState) get_fade_1_old_state();
53 CPT(RenderState) get_fade_1_new_state(PN_stdfloat in_alpha);
54 CPT(RenderState) get_fade_2_old_state(PN_stdfloat out_alpha);
55 CPT(RenderState) get_fade_2_new_state();
56
57private:
58 PN_stdfloat _fade_time;
59 std::string _fade_bin_name;
60 int _fade_bin_draw_order;
61 int _fade_state_override;
62
63 CPT(RenderState) _fade_1_new_state;
64 CPT(RenderState) _fade_1_old_state;
65 CPT(RenderState) _fade_2_new_state;
66 CPT(RenderState) _fade_2_old_state;
67
68public:
69 static void register_with_read_factory();
70 virtual void write_datagram(BamWriter *manager, Datagram &dg);
71
72protected:
73 static TypedWritable *make_from_bam(const FactoryParams &params);
74 void fillin(DatagramIterator &scan, BamReader *manager);
75
76public:
77 static TypeHandle get_class_type() {
78 return _type_handle;
79 }
80 static void init_type() {
81 LODNode::init_type();
82 register_type(_type_handle, "FadeLODNode",
83 LODNode::get_class_type());
84 }
85 virtual TypeHandle get_type() const {
86 return get_class_type();
87 }
88 virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
89
90private:
91 static TypeHandle _type_handle;
92};
93
94#include "fadeLodNode.I"
95
96#endif
This is the fundamental interface for extracting binary objects from a Bam file, as generated by a Ba...
Definition bamReader.h:110
This is the fundamental interface for writing binary objects to a Bam file, to be extracted later by ...
Definition bamWriter.h:63
This collects together the pieces of data that are accumulated for each node while walking the scene ...
This object performs a depth-first traversal of the scene graph, with optional view-frustum culling,...
A class to retrieve the individual data elements previously stored in a Datagram.
An ordered list of data elements, formatted in memory for transmission over a socket or writing to a ...
Definition datagram.h:38
An instance of this class is passed to the Factory when requesting it to do its business and construc...
A Level-of-Detail node with alpha based switching.
Definition fadeLodNode.h:24
A Level-of-Detail node.
Definition lodNode.h:28
virtual bool cull_callback(CullTraverser *trav, CullTraverserData &data)
This function will be called during the cull traversal to perform any additional operations that shou...
Definition lodNode.cxx:136
static void register_with_read_factory()
Tells the BamReader how to create objects of type LODNode.
Definition lodNode.cxx:682
virtual PandaNode * make_copy() const
Returns a newly-allocated Node that is a shallow copy of this one.
Definition lodNode.cxx:69
virtual void write_datagram(BamWriter *manager, Datagram &dg)
Writes the contents of this object to the datagram for shipping out to a Bam file.
Definition lodNode.cxx:691
A basic node of the scene graph or data graph.
Definition pandaNode.h:65
This represents a unique collection of RenderAttrib objects that correspond to a particular renderabl...
Definition renderState.h:47
TypeHandle is the identifier used to differentiate C++ class types.
Definition typeHandle.h:81
Base class for objects that can be written to and read from Bam files.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
void register_type(TypeHandle &type_handle, const std::string &name)
This inline function is just a convenient way to call TypeRegistry::register_type(),...