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/cvs/deliantra/Deliantra-Client/DC.pm
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Comparing deliantra/Deliantra-Client/DC.pm (file contents):
Revision 1.9 by elmex, Sat Apr 8 16:34:46 2006 UTC vs.
Revision 1.38 by root, Mon Apr 17 06:50:26 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}
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} || $GL_VERSION >= 2;
38
39 glEnable GL_TEXTURE_2D;
40 glEnable GL_COLOR_MATERIAL;
41 glShadeModel GL_FLAT;
42 glDisable GL_DEPTH_TEST;
43 glBlendFunc GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA;
44
45 glHint GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST;
46
47 CFClient::Texture::restore_state ();
22} 48}
23 49
24sub find_rcfile($) { 50sub find_rcfile($) {
25 my $path; 51 my $path;
26 52
27 for (@INC) { 53 for (@INC) {
28 $path = "$_/Crossfire/resources/$_[0]"; 54 $path = "$_/CFClient/resources/$_[0]";
29 return $path if -r $path; 55 return $path if -r $path;
30 } 56 }
31 57
32 die "FATAL: can't find required file $_[0]\n"; 58 die "FATAL: can't find required file $_[0]\n";
33} 59}
… …
62 } 88 }
63 89
64 close CFG; 90 close CFG;
65} 91}
66 92
93mkdir "$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 my ($table) = @_;
106
107 $table =~ s/([^a-zA-Z0-9_\-])/sprintf "=%x=", ord $1/ge;
108
109 new CFClient::Database
110 -Env => $DB_ENV,
111 -Filename => $table,
112# -Filename => "database",
113# -Subname => $table,
114 -Flags => DB_CREATE | DB_UPGRADE,
115 or die "unable to create/open database table $_[0]: $BerkeleyDB::Error";
116}
117
118package CFClient::Database;
119
120our @ISA = BerkeleyDB::Btree::;
121
122sub get($$) {
123 my $data;
124
125 $_[0]->db_get ($_[1], $data) == 0
126 ? $data
127 : ()
128}
129
130my %DB_SYNC;
131
132sub put($$$) {
133 my ($db, $key, $data) = @_;
134
135 $DB_SYNC{$db} = AnyEvent->timer (after => 5, cb => sub { $db->db_sync });
136
137 $db->db_put ($key => $data)
138}
139
67package Crossfire::Client::Texture; 140package CFClient::Texture;
141
142use strict;
68 143
69use Scalar::Util; 144use Scalar::Util;
70 145
71use SDL::OpenGL; 146use SDL::OpenGL;
72 147
73my @textures; 148my %TEXTURES;
74 149
75sub _new { 150sub new {
76 my ($class, %data) = @_; 151 my ($class, %data) = @_;
77 152
78 my $self = bless \%data, $class; 153 my $self = bless {
154 internalformat => GL_RGBA,
155 format => GL_RGBA,
156 type => GL_UNSIGNED_BYTE,
157 %data,
158 }, $class;
79 159
80 push @textures, $self; 160 Scalar::Util::weaken ($TEXTURES{$self+0} = $self);
81 Scalar::Util::weaken $textures[-1];
82 161
83 $self->upload; 162 $self->upload;
84 163
85 $self 164 $self
86} 165}
87 166
88sub new_from_image { 167sub new_from_image {
89 my ($class, $image) = @_; 168 my ($class, $image, %arg) = @_;
90 169
91 $class->_new (image => $image) 170 $class->new (image => $image, %arg)
92} 171}
93 172
94sub new_from_file { 173sub new_from_file {
95 my ($class, $path) = @_; 174 my ($class, $path) = @_;
96 175
… …
99 178
100 local $/; 179 local $/;
101 $class->new_from_image (<$fh>) 180 $class->new_from_image (<$fh>)
102} 181}
103 182
104sub new_from_surface { 183#sub new_from_surface {
105 my ($class, $surface) = @_; 184# my ($class, $surface) = @_;
106 185#
107 $surface->rgba; 186# $surface->rgba;
108 187#
109 $class->_new ( 188# $class->new (
110 data => $surface->pixels, 189# data => $surface->pixels,
111 width => $surface->width, 190# w => $surface->width,
112 height => $surface->height, 191# h => $surface->height,
192# )
193#}
194
195sub new_from_layout {
196 my ($class, $layout) = @_;
197
198 my ($w, $h, $data) = $layout->render;
199
200 $class->new (
201 w => $w,
202 h => $h,
203 data => $data,
204 internalformat => GL_ALPHA4,
205 format => GL_ALPHA,
206 type => GL_UNSIGNED_BYTE,
113 ) 207 )
114}
115
116sub new_from_ttf {
117 my ($class, $ttf, $text) = @_;
118
119 utf8::encode $text;
120
121 my $surface = SDL::TTFRenderUTF8Blended $ttf, $text,
122 (new SDL::Color -r => 255, -g => 255, -b => 255);
123
124 $class->new_from_surface (bless \$surface, SDL::Surface::)
125} 208}
126 209
127sub new_from_opengl { 210sub new_from_opengl {
128 my ($class, $w, $h, $cb) = @_; 211 my ($class, $w, $h, $cb) = @_;
129 212
130 $class->_new (width => $w, height => $h, render => $cb) 213 $class->new (w => $w, h => $h, render_cb => $cb)
214}
215
216sub topot {
217 (grep $_ >= $_[0], 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768)[0]
131} 218}
132 219
133sub upload { 220sub upload {
134 my ($self) = @_; 221 my ($self) = @_;
135 222
136 return unless $SDL::App::USING_OPENGL; 223 return unless $GL_VERSION;
137 224
138 my $data; 225 my $data;
139 226
140 if (exists $self->{data}) { 227 if (exists $self->{data}) {
141 $data = $self->{data}; 228 $data = $self->{data};
229
142 } elsif (exists $self->{rendercb}) { 230 } elsif (exists $self->{render_cb}) {
143 glViewport 0, 0, $self->{width}, $self->{height}; 231 glViewport 0, 0, $self->{w}, $self->{h};
144 glClear GL_COLOR_BUFFER_BIT; 232 glMatrixMode GL_PROJECTION;
145 233 glLoadIdentity;
234 glOrtho 0, $self->{w}, 0, $self->{h}, -10000, 10000;
235 glMatrixMode GL_MODELVIEW;
236 glLoadIdentity;
146 $self->{rendercb}->($self, $self->{width}, $self->{height}); 237 $self->{render_cb}->($self, $self->{w}, $self->{h});
238
147 } else { 239 } else {
148 my $pb = new Gtk2::Gdk::PixbufLoader; 240 ($self->{w}, $self->{h}, $data, $self->{internalformat}, $self->{format}, $self->{type})
149 $pb->write ($self->{image}); 241 = CFClient::load_image_inline $self->{image};
150 $pb->close;
151
152 $pb = $pb->get_pixbuf;
153 $pb = $pb->add_alpha (0, 0, 0, 0);
154
155 $self->{width} = $pb->get_width;
156 $self->{height} = $pb->get_height;
157
158 $data = $pb->get_pixels;
159 } 242 }
160 243
244 my ($tw, $th) = @$self{qw(w h)};
245
246 unless ($tw && $th) {
247 $tw = $th = 1;
248 $data = "\x00" x 64;
249 }
250
251 $self->{minified} = [CFClient::average $tw, $th, $data]
252 if $self->{minify};
253
254 unless ($GL_NPOT) {
255 # TODO: does not work for zero-sized textures
256 $tw = topot $tw;
257 $th = topot $th;
258
259 if ($tw != $self->{w} || $th != $self->{h} && defined $data) {
260 my $bpp = (length $data) / ($self->{w} * $self->{h});
261 $data = pack "(a" . ($tw * $bpp) . ")*",
262 unpack "(a" . ($self->{w} * $bpp) . ")*", $data;
263 $data .= ("\x00" x ($tw * $bpp)) x ($th - $self->{h});
264 }
265 }
266
267 $self->{s} = $self->{w} / $tw;
268 $self->{t} = $self->{h} / $th;
269
161 ($self->{name}) = @{glGenTextures 1}; 270 $self->{name} ||= (glGenTextures 1)->[0];
162 271
163 glBindTexture GL_TEXTURE_2D, $self->{name}; 272 glBindTexture GL_TEXTURE_2D, $self->{name};
164 273
165 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR; 274 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, $::FAST ? GL_NEAREST : GL_LINEAR;
166 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR;#_MIPMAP_LINEAR; 275 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, $::FAST ? GL_NEAREST : GL_LINEAR;
167 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP; 276 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP;
168 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP; 277 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP;
169 278
170 if (defined $data) { 279 if (defined $data) {
171 glTexImage2D GL_TEXTURE_2D, 0, 280 glTexImage2D GL_TEXTURE_2D, 0,
172 GL_RGBA8, 281 $self->{internalformat},
173 $self->{width}, $self->{height}, 282 $tw, $th, # need to pad texture first
174 0, 283 0,
175 GL_RGBA, 284 $self->{format},
176 GL_UNSIGNED_BYTE, 285 $self->{type},
177 $data; 286 $data;
287 glGetError and die;
178 } else { 288 } else {
179 glCopyTexImage2D GL_TEXTURE_2D, 0, 289 glCopyTexImage2D GL_TEXTURE_2D, 0,
180 GL_RGBA8, 290 $self->{internalformat},
181 0, 0, 291 0, 0,
182 $self->{width}, $self->{height}, 292 $tw, $th,
183 0; 293 0;
294 glGetError and die "glCopyTexImage2D $tw,$th";
184 } 295 }
185} 296}
186 297
187sub DESTROY { 298sub DESTROY {
188 my ($self) = @_; 299 my ($self) = @_;
189 300
190 return unless exists $self->{name}; 301 delete $TEXTURES{$self+0};
191 302
192 glDeleteTextures delete $self->{name}; 303 glDeleteTextures delete $self->{name}
304 if $self->{name};
193} 305}
194 306
195push @::GLINIT, sub { 307sub restore_state{
196 $_->upload 308 $_->upload
197 for grep $_, @textures; 309 for values %TEXTURES;
198}; 310};
199 311
2001; 3121;
201 313
202=back 314=back

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