| 1 | =head1 NAME |
1 | =head1 NAME |
| 2 | |
2 | |
| 3 | Crossfire::Client - undocumented utility garbage for our crossfire client |
3 | CFClient - 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 | |
| 15 | package Crossfire::Client; |
15 | package CFClient; |
| 16 | |
16 | |
| 17 | BEGIN { |
17 | BEGIN { |
| 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 | |
|
|
24 | use AnyEvent; |
|
|
25 | use BerkeleyDB; |
|
|
26 | use SDL::OpenGL; |
|
|
27 | |
|
|
28 | our %GL_EXT; |
|
|
29 | our $GL_VERSION; |
|
|
30 | |
|
|
31 | our $GL_NPOT; |
|
|
32 | |
|
|
33 | sub 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} || $GL_VERSION >= 2; |
|
|
38 | |
|
|
39 | glEnable GL_TEXTURE_2D; |
|
|
40 | glEnable GL_COLOR_MATERIAL; |
|
|
41 | glShadeModel GL_FLAT; |
|
|
42 | glDisable GL_DEPTH_TEST; |
|
|
43 | glBlendFunc GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA; |
|
|
44 | |
|
|
45 | glHint GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST; |
|
|
46 | |
|
|
47 | CFClient::Texture::restore_state (); |
|
|
48 | } |
|
|
49 | |
|
|
50 | sub find_rcfile($) { |
|
|
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 $_[0]\n"; |
|
|
59 | } |
|
|
60 | |
|
|
61 | sub read_cfg { |
|
|
62 | my ($file) = @_; |
|
|
63 | |
|
|
64 | open CFG, $file |
|
|
65 | or return; |
|
|
66 | |
|
|
67 | my $CFG; |
|
|
68 | |
|
|
69 | local $/; |
|
|
70 | $CFG = eval <CFG>; |
|
|
71 | |
|
|
72 | $::CFG = $CFG; |
|
|
73 | |
|
|
74 | close CFG; |
|
|
75 | } |
|
|
76 | |
|
|
77 | sub write_cfg { |
|
|
78 | my ($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 | |
|
|
93 | mkdir "$Crossfire::VARDIR/pclient", 0777; |
|
|
94 | |
|
|
95 | our $DB_ENV = new BerkeleyDB::Env |
|
|
96 | -Home => "$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: $BerkeleyDB::Error"; |
|
|
103 | |
|
|
104 | sub db_table($) { |
|
|
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 | |
|
|
113 | package CFClient::Database; |
|
|
114 | |
|
|
115 | our @ISA = BerkeleyDB::Btree::; |
|
|
116 | |
|
|
117 | sub get($$) { |
|
|
118 | my $data; |
|
|
119 | |
|
|
120 | $_[0]->db_get ($_[1], $data) == 0 |
|
|
121 | ? $data |
|
|
122 | : (); |
|
|
123 | } |
|
|
124 | |
|
|
125 | my %DB_SYNC; |
|
|
126 | |
|
|
127 | sub put($$$) { |
|
|
128 | my ($db, $key, $data) = @_; |
|
|
129 | |
|
|
130 | $db->db_put ($key => $data); |
|
|
131 | |
|
|
132 | $DB_SYNC{$db} = AnyEvent->timer (after => 5, cb => sub { $db->db_sync }); |
|
|
133 | |
|
|
134 | } |
|
|
135 | |
|
|
136 | package CFClient::Texture; |
|
|
137 | |
|
|
138 | use strict; |
|
|
139 | |
|
|
140 | use Scalar::Util; |
|
|
141 | |
|
|
142 | use SDL::OpenGL; |
|
|
143 | |
|
|
144 | my %TEXTURES; |
|
|
145 | my @NAMES; |
|
|
146 | |
|
|
147 | sub new { |
|
|
148 | my ($class, %data) = @_; |
|
|
149 | |
|
|
150 | my $self = bless { |
|
|
151 | internalformat => GL_RGBA, |
|
|
152 | format => GL_RGBA, |
|
|
153 | type => GL_UNSIGNED_BYTE, |
|
|
154 | %data, |
|
|
155 | }, $class; |
|
|
156 | |
|
|
157 | Scalar::Util::weaken ($TEXTURES{$self+0} = $self); |
|
|
158 | |
|
|
159 | $self->upload; |
|
|
160 | |
|
|
161 | $self |
|
|
162 | } |
|
|
163 | |
|
|
164 | sub new_from_image { |
|
|
165 | my ($class, $image, %arg) = @_; |
|
|
166 | |
|
|
167 | $class->new (image => $image, %arg) |
|
|
168 | } |
|
|
169 | |
|
|
170 | sub new_from_file { |
|
|
171 | my ($class, $path) = @_; |
|
|
172 | |
|
|
173 | open my $fh, "<:raw", $path |
|
|
174 | or die "$path: $!"; |
|
|
175 | |
|
|
176 | local $/; |
|
|
177 | $class->new_from_image (<$fh>) |
|
|
178 | } |
|
|
179 | |
|
|
180 | #sub new_from_surface { |
|
|
181 | # my ($class, $surface) = @_; |
|
|
182 | # |
|
|
183 | # $surface->rgba; |
|
|
184 | # |
|
|
185 | # $class->new ( |
|
|
186 | # data => $surface->pixels, |
|
|
187 | # w => $surface->width, |
|
|
188 | # h => $surface->height, |
|
|
189 | # ) |
|
|
190 | #} |
|
|
191 | |
|
|
192 | sub new_from_layout { |
|
|
193 | my ($class, $layout) = @_; |
|
|
194 | |
|
|
195 | my ($w, $h, $data) = $layout->render; |
|
|
196 | |
|
|
197 | $class->new ( |
|
|
198 | w => $w, |
|
|
199 | h => $h, |
|
|
200 | data => $data, |
|
|
201 | internalformat => GL_ALPHA4, |
|
|
202 | format => GL_ALPHA, |
|
|
203 | type => GL_UNSIGNED_BYTE, |
|
|
204 | ) |
|
|
205 | } |
|
|
206 | |
|
|
207 | sub new_from_opengl { |
|
|
208 | my ($class, $w, $h, $cb) = @_; |
|
|
209 | |
|
|
210 | $class->new (w => $w, h => $h, render_cb => $cb) |
|
|
211 | } |
|
|
212 | |
|
|
213 | sub topot { |
|
|
214 | (grep $_ >= $_[0], 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768)[0] |
|
|
215 | } |
|
|
216 | |
|
|
217 | sub upload { |
|
|
218 | my ($self) = @_; |
|
|
219 | |
|
|
220 | return unless $GL_VERSION; |
|
|
221 | |
|
|
222 | my $data; |
|
|
223 | |
|
|
224 | if (exists $self->{data}) { |
|
|
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}, $self->{h}); |
|
|
235 | |
|
|
236 | } else { |
|
|
237 | ($self->{w}, $self->{h}, $data, $self->{internalformat}, $self->{format}, $self->{type}) |
|
|
238 | = CFClient::load_image_inline $self->{image}; |
|
|
239 | } |
|
|
240 | |
|
|
241 | my ($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 | |
|
|
267 | $self->{name} ||= (pop @NAMES) || (glGenTextures 1)->[0]; |
|
|
268 | |
|
|
269 | glBindTexture GL_TEXTURE_2D, $self->{name}; |
|
|
270 | |
|
|
271 | glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, $::FAST ? GL_NEAREST : GL_LINEAR; |
|
|
272 | glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, $::FAST ? GL_NEAREST : GL_LINEAR; |
|
|
273 | glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP; |
|
|
274 | glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP; |
|
|
275 | |
|
|
276 | if (defined $data) { |
|
|
277 | glTexImage2D GL_TEXTURE_2D, 0, |
|
|
278 | $self->{internalformat}, |
|
|
279 | $tw, $th, # need to pad texture first |
|
|
280 | 0, |
|
|
281 | $self->{format}, |
|
|
282 | $self->{type}, |
|
|
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 | } |
|
|
293 | } |
|
|
294 | |
|
|
295 | sub DESTROY { |
|
|
296 | my ($self) = @_; |
|
|
297 | |
|
|
298 | delete $TEXTURES{$self+0}; |
|
|
299 | |
|
|
300 | if (my $name = delete $self->{name}) { |
|
|
301 | glDeleteTextures $name; |
|
|
302 | push @NAMES, $name; |
|
|
303 | } |
|
|
304 | |
|
|
305 | } |
|
|
306 | |
|
|
307 | sub restore_state{ |
|
|
308 | $_->upload |
|
|
309 | for grep $_, values %TEXTURES; |
|
|
310 | }; |
| 23 | |
311 | |
| 24 | 1; |
312 | 1; |
| 25 | |
313 | |
| 26 | =back |
314 | =back |
| 27 | |
315 | |
