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/cvs/deliantra/Deliantra-Client/DC.pm
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Comparing deliantra/Deliantra-Client/DC.pm (file contents):
Revision 1.3 by root, Fri Apr 7 18:20:13 2006 UTC vs.
Revision 1.34 by root, Sat Apr 15 21:16:49 2006 UTC

1=head1 NAME 1=head1 NAME
2 2
3Crossfire::Client - undocumented utility garbage for our crossfire client 3CFClient - undocumented utility garbage for our crossfire client
4 4
5=head1 SYNOPSIS 5=head1 SYNOPSIS
6 6
7 use Crossfire::Client; 7 use CFClient;
8 8
9=head1 DESCRIPTION 9=head1 DESCRIPTION
10 10
11=over 4 11=over 4
12 12
13=cut 13=cut
14 14
15package Crossfire::Client; 15package CFClient;
16 16
17BEGIN { 17BEGIN {
18 $VERSION = '0.1'; 18 $VERSION = '0.1';
19 19
20 use XSLoader; 20 use XSLoader;
21 XSLoader::load "Crossfire::Client", $VERSION; 21 XSLoader::load "CFClient", $VERSION;
22} 22}
23 23
24use AnyEvent;
25use BerkeleyDB;
26use SDL::OpenGL;
27
28our %GL_EXT;
29our $GL_VERSION;
30
31our $GL_NPOT;
32
33sub gl_init {
34 $GL_VERSION = gl_version * 1;
35 %GL_EXT = map +($_ => 1), split /\s+/, gl_extensions;
36
37 $GL_NPOT = $GL_EXT{GL_ARB_texture_non_power_of_two} || $GL_VERSION >= 2;
38
39 glEnable GL_TEXTURE_2D;
40 glEnable GL_COLOR_MATERIAL;
41 glShadeModel GL_FLAT;
42 glDisable GL_DEPTH_TEST;
43 glBlendFunc GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA;
44
45 glHint GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST;
46
47 CFClient::Texture::restore_state ();
48}
49
50sub find_rcfile($) {
51 my $path;
52
53 for (@INC) {
54 $path = "$_/CFClient/resources/$_[0]";
55 return $path if -r $path;
56 }
57
58 die "FATAL: can't find required file $_[0]\n";
59}
60
61sub read_cfg {
62 my ($file) = @_;
63
64 open CFG, $file
65 or return;
66
67 my $CFG;
68
69 local $/;
70 $CFG = eval <CFG>;
71
72 $::CFG = $CFG;
73
74 close CFG;
75}
76
77sub write_cfg {
78 my ($file) = @_;
79
80 open CFG, ">$file"
81 or return;
82
83 {
84 require Data::Dumper;
85 local $Data::Dumper::Purity = 1;
86 $::CFG->{VERSION} = $::VERSION;
87 print CFG Data::Dumper->Dump ([$::CFG], [qw/CFG/]);
88 }
89
90 close CFG;
91}
92
93mkdir "$Crossfire::VARDIR/pclient", 0777;
94
95our $DB_ENV = new BerkeleyDB::Env
96 -Home => "$Crossfire::VARDIR/pclient",
97 -Cachesize => 1_000_000,
98 -ErrFile => "/proc/self/fd/2",
99 -ErrPrefix => "DATABASE",
100 -Verbose => 1,
101 -Flags => DB_CREATE | DB_JOINENV | DB_RECOVER_FATAL | DB_INIT_MPOOL | DB_INIT_LOCK | DB_INIT_TXN,
102 or die "unable to create/open database home $Crossfire::VARDIR/pclient: $BerkeleyDB::Error";
103
104sub db_table($) {
105 new CFClient::Database
106 -Env => $DB_ENV,
107 -Filename => "database",
108 -Subname => $_[0],
109 -Flags => DB_CREATE | DB_UPGRADE,
110 or die "unable to create/open database table $_[0]: $BerkeleyDB::Error";
111}
112
113package CFClient::Database;
114
115our @ISA = BerkeleyDB::Btree::;
116
117sub get($$) {
118 my $data;
119
120 $_[0]->db_get ($_[1], $data) == 0
121 ? $data
122 : ();
123}
124
125my %DB_SYNC;
126
127sub put($$$) {
128 my ($db, $key, $data) = @_;
129
130 $db->db_put ($key => $data);
131
132 $DB_SYNC{$db} = AnyEvent->timer (after => 5, cb => sub { $db->db_sync });
133
134}
135
24package Crossfire::Client::Texture; 136package CFClient::Texture;
137
138use strict;
25 139
26use Scalar::Util; 140use Scalar::Util;
27 141
28use SDL::OpenGL; 142use SDL::OpenGL;
29 143
30my @textures; 144my @textures;
145
146sub new {
147 my ($class, %data) = @_;
148
149 my $self = bless {
150 internalformat => GL_RGBA,
151 format => GL_RGBA,
152 type => GL_UNSIGNED_BYTE,
153 %data,
154 }, $class;
155
156 push @textures, $self;
157 Scalar::Util::weaken $textures[-1];
158
159 $self->upload;
160
161 $self
162}
163
164sub new_from_image {
165 my ($class, $image, %arg) = @_;
166
167 $class->new (image => $image, %arg)
168}
31 169
32sub new_from_file { 170sub new_from_file {
33 my ($class, $path) = @_; 171 my ($class, $path) = @_;
34 172
35 open my $fh, "<:raw", $path 173 open my $fh, "<:raw", $path
36 or die "$path: $!"; 174 or die "$path: $!";
37 175
38 local $/; 176 local $/;
39 $class->new_from_data (<$fh>) 177 $class->new_from_image (<$fh>)
40} 178}
41 179
42sub new_from_image { 180#sub new_from_surface {
43 my ($class, $image) = @_; 181# my ($class, $surface) = @_;
182#
183# $surface->rgba;
184#
185# $class->new (
186# data => $surface->pixels,
187# w => $surface->width,
188# h => $surface->height,
189# )
190#}
44 191
45 my $self = bless { 192sub new_from_layout {
46 image => $data, 193 my ($class, $layout) = @_;
47 };
48 194
49 push @textures, $self; 195 my ($w, $h, $data) = $layout->render;
50 Scalar::Util::weaken $textures[-1];
51 196
52 $self->upload; 197 $class->new (
198 w => $w,
199 h => $h,
200 data => $data,
201 internalformat => GL_ALPHA4,
202 format => GL_ALPHA,
203 type => GL_UNSIGNED_BYTE,
204 )
205}
53 206
54 $self 207sub new_from_opengl {
208 my ($class, $w, $h, $cb) = @_;
209
210 $class->new (w => $w, h => $h, render_cb => $cb)
211}
212
213sub topot {
214 (grep $_ >= $_[0], 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768)[0]
55} 215}
56 216
57sub upload { 217sub upload {
58 my ($self) = @_; 218 my ($self) = @_;
59 219
60 return unless $SDL::App::USING_OPENGL; 220 return unless $GL_VERSION;
61 221
62 my ($data, $width, $height); 222 my $data;
63 223
64 if (exists $self->{data}) { 224 if (exists $self->{data}) {
65 ($data, $width, $height) = ($self->{data}, $self->{width}, $self->{height}); 225 $data = $self->{data};
226
227 } elsif (exists $self->{render_cb}) {
228 glViewport 0, 0, $self->{w}, $self->{h};
229 glMatrixMode GL_PROJECTION;
230 glLoadIdentity;
231 glOrtho 0, $self->{w}, 0, $self->{h}, -10000, 10000;
232 glMatrixMode GL_MODELVIEW;
233 glLoadIdentity;
234 $self->{render_cb}->($self, $self->{w}, $self->{h});
235
66 } else { 236 } else {
67 my $pb = new Gtk2::Gdk::PixbufLoader; 237 ($self->{w}, $self->{h}, $data, $self->{internalformat}, $self->{format}, $self->{type})
68 $pb->write ($self->{data}); 238 = CFClient::load_image_inline $self->{image};
69 $pb->close;
70
71 $pb = $pb->get_pixbuf;
72 $pb = $pb->add_alpha (0, 0, 0, 0);
73
74 ($data, $width, $height) = ($pb->get_pixels, $pb->get_width, $pb->get_height);
75 } 239 }
76 240
241 my ($tw, $th) = @$self{qw(w h)};
242
243 unless ($tw && $th) {
244 $tw = $th = 1;
245 $data = "\x00" x 64;
246 }
247
248 $self->{minified} = [CFClient::average $tw, $th, $data]
249 if $self->{minify};
250
251 unless ($GL_NPOT) {
252 # TODO: does not work for zero-sized textures
253 $tw = topot $tw;
254 $th = topot $th;
255
256 if ($tw != $self->{w} || $th != $self->{h} && defined $data) {
257 my $bpp = (length $data) / ($self->{w} * $self->{h});
258 $data = pack "(a" . ($tw * $bpp) . ")*",
259 unpack "(a" . ($self->{w} * $bpp) . ")*", $data;
260 $data .= ("\x00" x ($tw * $bpp)) x ($th - $self->{h});
261 }
262 }
263
264 $self->{s} = $self->{w} / $tw;
265 $self->{t} = $self->{h} / $th;
266
77 ($self->{name}) = @{glGenTextures 1}; 267 $self->{name} ||= (glGenTextures 1)->[0];
78 268
79 glBindTexture GL_TEXTURE_2D, $self->{name}; 269 glBindTexture GL_TEXTURE_2D, $self->{name};
80 270
81 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR; 271 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, $::FAST ? GL_NEAREST : GL_LINEAR;
82 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR;#_MIPMAP_LINEAR; 272 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, $::FAST ? GL_NEAREST : GL_LINEAR;
83 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP; 273 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP;
84 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP; 274 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP;
85 275
276 if (defined $data) {
86 glTexImage2D GL_TEXTURE_2D, 0, 277 glTexImage2D GL_TEXTURE_2D, 0,
87 GL_RGBA8, 278 $self->{internalformat},
88 $width, $height, 279 $tw, $th, # need to pad texture first
89 0, 280 0,
90 GL_RGBA, 281 $self->{format},
91 GL_UNSIGNED_BYTE, 282 $self->{type},
92 $data; 283 $data;
284 glGetError and die;
285 } else {
286 glCopyTexImage2D GL_TEXTURE_2D, 0,
287 $self->{internalformat},
288 0, 0,
289 $tw, $th,
290 0;
291 glGetError and die "glCopyTexImage2D $tw,$th";
292 }
93} 293}
94 294
95sub DESTROY { 295sub DESTROY {
96 my ($self) = @_; 296 my ($self) = @_;
97 297
98 return unless exists $self->{name}; 298 return unless exists $self->{name};
99 299
100 glDeleteTextures delete $self->{name}; 300 glDeleteTextures delete $self->{name};
101} 301}
102 302
103push @::GLINIT, sub { 303sub restore_state{
104 $_->upload 304 $_->upload
105 for grep $_, @textures; 305 for grep $_, @textures;
106}; 306};
107 307
1081; 3081;

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