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palettizer.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 palettizer.h
10 * @author drose
11 * @date 2000-12-01
12 */
13
14#ifndef PALETTIZER_H
15#define PALETTIZER_H
16
17#include "pandatoolbase.h"
18
19#include "txaFile.h"
20
21#include "typedWritable.h"
22#include "eggRenderMode.h"
23#include "pvector.h"
24#include "pset.h"
25#include "pmap.h"
26
27 class PNMFileType;
28 class EggFile;
29 class PaletteGroup;
30 class TextureImage;
31 class TexturePlacement;
32 class FactoryParams;
33
34/**
35 * This is the main engine behind egg-palettize. It contains all of the
36 * program parameters, from the command line or saved from a previous session,
37 * and serves as the driving force in the actual palettizing process.
38 */
39 class Palettizer : public TypedWritable {
40 public:
41 Palettizer();
42
43 bool get_noabs() const;
44 void set_noabs(bool noabs);
45
46 bool is_valid() const;
47 void report_pi() const;
48 void report_statistics() const;
49
50 void read_txa_file(std::istream &txa_file, const std::string &txa_filename);
51 void all_params_set();
52 void process_command_line_eggs(bool force_texture_read, const Filename &state_filename);
53 void process_all(bool force_texture_read, const Filename &state_filename);
54 void optimal_resize();
55 void reset_images();
56 void generate_images(bool redo_all);
57 bool read_stale_eggs(bool redo_all);
58 bool write_eggs();
59
60 EggFile *get_egg_file(const std::string &name);
61 bool remove_egg_file(const std::string &name);
62
63 void add_command_line_egg(EggFile *egg_file);
64
65 PaletteGroup *get_palette_group(const std::string &name);
66 PaletteGroup *test_palette_group(const std::string &name) const;
67 PaletteGroup *get_default_group();
68 TextureImage *get_texture(const std::string &name);
69
70 private:
71 static const char *yesno(bool flag);
72
73 public:
74 static int _pi_version;
75 static int _min_pi_version;
76 static int _read_pi_version;
77
78 enum RemapUV {
79 RU_never,
80 RU_group,
81 RU_poly,
82 RU_invalid
83 };
84
85 static RemapUV string_remap(const std::string &str);
86
87 bool _is_valid;
88
89 // These values are not stored in the textures.boo file, but are specific to
90 // each session.
91 TxaFile _txa_file;
92 std::string _default_groupname;
93 std::string _default_groupdir;
94 bool _noabs;
95
96 // The following parameter values specifically relate to textures and
97 // palettes. These values are stored in the textures.boo file for future
98 // reference.
99 std::string _generated_image_pattern;
100 std::string _map_dirname;
101 Filename _shadow_dirname;
102 Filename _rel_dirname;
103 int _pal_x_size, _pal_y_size;
104 LColord _background;
105 int _margin;
106 bool _omit_solitary;
107 bool _omit_everything;
108 double _coverage_threshold;
109 bool _force_power_2;
110 bool _aggressively_clean_mapdir;
111 bool _round_uvs;
112 double _round_unit;
113 double _round_fuzz;
114 RemapUV _remap_uv, _remap_char_uv;
115 PNMFileType *_color_type;
116 PNMFileType *_alpha_type;
117 PNMFileType *_shadow_color_type;
118 PNMFileType *_shadow_alpha_type;
119 EggRenderMode::AlphaMode _cutout_mode;
120 double _cutout_ratio;
121
122 private:
123 typedef pvector<TexturePlacement *> Placements;
124 void compute_statistics(std::ostream &out, int indent_level,
125 const Placements &placements) const;
126
127 typedef pmap<std::string, EggFile *> EggFiles;
128 EggFiles _egg_files;
129
130 typedef pvector<EggFile *> CommandLineEggs;
131 CommandLineEggs _command_line_eggs;
132
133 typedef pset<TextureImage *> CommandLineTextures;
134 CommandLineTextures _command_line_textures;
135
136 typedef pmap<std::string, PaletteGroup *> Groups;
137 Groups _groups;
138
139 typedef pmap<std::string, TextureImage *> Textures;
140 Textures _textures;
141 typedef pvector<TextureImage *> TextureConflicts;
142 TextureConflicts _texture_conflicts;
143
144
145 // The TypedWritable interface follows.
146 public:
147 static void register_with_read_factory();
148 virtual void write_datagram(BamWriter *writer, Datagram &datagram);
149 virtual int complete_pointers(TypedWritable **p_list,
150 BamReader *manager);
151
152 virtual void finalize(BamReader *manager);
153
154 protected:
155 static TypedWritable *make_Palettizer(const FactoryParams &params);
156 void fillin(DatagramIterator &scan, BamReader *manager);
157
158 private:
159 // These values are only filled in while reading from the bam file; don't
160 // use them otherwise.
161 int _num_egg_files;
162 int _num_groups;
163 int _num_textures;
164
165 public:
166 static TypeHandle get_class_type() {
167 return _type_handle;
168 }
169 static void init_type() {
170 TypedWritable::init_type();
171 register_type(_type_handle, "Palettizer",
172 TypedWritable::get_class_type());
173 }
174 virtual TypeHandle get_type() const {
175 return get_class_type();
176 }
177
178 private:
179 static TypeHandle _type_handle;
180
181 friend class TxaLine;
182};
183
184// This is a global Palettizer pointer that may be filled in when the
185// Palettizer is created, for convenience in referencing it from multiple
186// places. (Generally, a standalone program will only create one Palettizer
187// object in a session.)
188 extern Palettizer *pal;
189
190#endif
BamReader
This is the fundamental interface for extracting binary objects from a Bam file, as generated by a Ba...
Definition bamReader.h:110
DatagramIterator
A class to retrieve the individual data elements previously stored in a Datagram.
Definition datagramIterator.h:30
Datagram
An ordered list of data elements, formatted in memory for transmission over a socket or writing to a ...
Definition datagram.h:38
EggFile
This represents a single egg file known to the palettizer.
Definition eggFile.h:36
FactoryParams
An instance of this class is passed to the Factory when requesting it to do its business and construc...
Definition factoryParams.h:36
Filename
The name of a file, such as a texture file or an Egg file.
Definition filename.h:44
PNMFileType
This is the base class of a family of classes that represent particular image file types that PNMImag...
Definition pnmFileType.h:32
PaletteGroup
This is the highest level of grouping for TextureImages.
Definition paletteGroup.h:43
Palettizer
This is the main engine behind egg-palettize.
Definition palettizer.h:39
Palettizer::set_noabs
void set_noabs(bool noabs)
Changes the current setting of the noabs flag.
Definition palettizer.cxx:158
Palettizer::process_all
void process_all(bool force_texture_read, const Filename &state_filename)
Reprocesses all textures known.
Definition palettizer.cxx:514
Palettizer::test_palette_group
PaletteGroup * test_palette_group(const std::string &name) const
Returns the PaletteGroup with the given name.
Definition palettizer.cxx:810
Palettizer::remove_egg_file
bool remove_egg_file(const std::string &name)
Removes the named egg file from the database, if it exists.
Definition palettizer.cxx:766
Palettizer::process_command_line_eggs
void process_command_line_eggs(bool force_texture_read, const Filename &state_filename)
Processes all the textures named in the _command_line_eggs, placing them on the appropriate palettes ...
Definition palettizer.cxx:423
Palettizer::get_texture
TextureImage * get_texture(const std::string &name)
Returns the TextureImage with the given name.
Definition palettizer.cxx:838
Palettizer::optimal_resize
void optimal_resize()
Attempts to resize each PalettteImage down to its smallest possible size.
Definition palettizer.cxx:606
Palettizer::get_default_group
PaletteGroup * get_default_group()
Returns the default group to which an egg file should be assigned if it is not mentioned in the ....
Definition palettizer.cxx:824
Palettizer::all_params_set
void all_params_set()
Called after all command line parameters have been set up, this is a hook to do whatever initializati...
Definition palettizer.cxx:406
Palettizer::register_with_read_factory
static void register_with_read_factory()
Registers the current object as something that can be read from a Bam file.
Definition palettizer.cxx:913
Palettizer::finalize
virtual void finalize(BamReader *manager)
Called by the BamReader to perform any final actions needed for setting up the object after all objec...
Definition palettizer.cxx:1045
Palettizer::get_egg_file
EggFile * get_egg_file(const std::string &name)
Returns the EggFile with the given name.
Definition palettizer.cxx:749
Palettizer::get_palette_group
PaletteGroup * get_palette_group(const std::string &name)
Returns the PaletteGroup with the given name.
Definition palettizer.cxx:793
Palettizer::add_command_line_egg
void add_command_line_egg(EggFile *egg_file)
Adds the indicated EggFile to the list of eggs that are considered to have been read on the command l...
Definition palettizer.cxx:784
Palettizer::write_eggs
bool write_eggs()
Adjusts the egg files to reference the newly generated textures, and writes them out.
Definition palettizer.cxx:714
Palettizer::is_valid
bool is_valid() const
Returns true if the palette information file was read correctly, or false if there was some error and...
Definition palettizer.cxx:167
Palettizer::string_remap
static RemapUV string_remap(const std::string &str)
Returns the RemapUV code corresponding to the indicated string, or RU_invalid if the string is invali...
Definition palettizer.cxx:876
Palettizer::report_pi
void report_pi() const
Output a verbose description of all the palettization information to standard output,...
Definition palettizer.cxx:176
Palettizer::write_datagram
virtual void write_datagram(BamWriter *writer, Datagram &datagram)
Fills the indicated datagram up with a binary representation of the current object,...
Definition palettizer.cxx:923
Palettizer::reset_images
void reset_images()
Throws away all of the current PaletteImages, so that new ones may be created (and the packing made m...
Definition palettizer.cxx:619
Palettizer::read_txa_file
void read_txa_file(std::istream &txa_file, const std::string &txa_filename)
Reads in the .txa file and keeps it ready for matching textures and egg files.
Definition palettizer.cxx:353
Palettizer::complete_pointers
virtual int complete_pointers(TypedWritable **p_list, BamReader *manager)
Called after the object is otherwise completely read from a Bam file, this function's job is to store...
Definition palettizer.cxx:984
Palettizer::report_statistics
void report_statistics() const
Output a report of the palettization effectiveness, texture memory utilization, and so on.
Definition palettizer.cxx:297
Palettizer::read_stale_eggs
bool read_stale_eggs(bool redo_all)
Reads in any egg file that is known to be stale, even if it was not listed on the command line,...
Definition palettizer.cxx:656
Palettizer::get_noabs
bool get_noabs() const
Returns the current setting of the noabs flag.
Definition palettizer.cxx:143
Palettizer::generate_images
void generate_images(bool redo_all)
Actually generates the appropriate palette and unplaced texture images into the map directories.
Definition palettizer.cxx:633
TextureImage
This represents a single source texture that is referenced by one or more egg files.
Definition textureImage.h:46
TexturePlacement
This corresponds to a particular assignment of a TextureImage with a PaletteGroup,...
Definition texturePlacement.h:41
TxaFile
This represents the .txa file (usually textures.txa) that contains the user instructions for resizing...
Definition txaFile.h:30
TypeHandle
TypeHandle is the identifier used to differentiate C++ class types.
Definition typeHandle.h:81
eggRenderMode.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
pandatoolbase.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
pmap.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
pset.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
pvector.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
register_type
void register_type(TypeHandle &type_handle, const std::string &name)
This inline function is just a convenient way to call TypeRegistry::register_type(),...
Definition register_type.I:22
txaFile.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
typedWritable.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.