| 1 |
=head1 NAME |
| 2 |
|
| 3 |
CFClient - undocumented utility garbage for our crossfire client |
| 4 |
|
| 5 |
=head1 SYNOPSIS |
| 6 |
|
| 7 |
use CFClient; |
| 8 |
|
| 9 |
=head1 DESCRIPTION |
| 10 |
|
| 11 |
=over 4 |
| 12 |
|
| 13 |
=cut |
| 14 |
|
| 15 |
package CFClient; |
| 16 |
|
| 17 |
BEGIN { |
| 18 |
$VERSION = '0.1'; |
| 19 |
|
| 20 |
use XSLoader; |
| 21 |
XSLoader::load "CFClient", $VERSION; |
| 22 |
} |
| 23 |
|
| 24 |
use AnyEvent; |
| 25 |
use BerkeleyDB; |
| 26 |
use CFClient::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 => "$Crossfire::VARDIR/pclient/errorlog.txt", |
| 99 |
# -ErrPrefix => "DATABASE", |
| 100 |
-Verbose => 1, |
| 101 |
-Flags => DB_CREATE | 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 |
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 |
|
| 118 |
package CFClient::Database; |
| 119 |
|
| 120 |
our @ISA = BerkeleyDB::Btree::; |
| 121 |
|
| 122 |
sub get($$) { |
| 123 |
my $data; |
| 124 |
|
| 125 |
$_[0]->db_get ($_[1], $data) == 0 |
| 126 |
? $data |
| 127 |
: () |
| 128 |
} |
| 129 |
|
| 130 |
my %DB_SYNC; |
| 131 |
|
| 132 |
sub put($$$) { |
| 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 => $data) |
| 138 |
} |
| 139 |
|
| 140 |
package CFClient::Texture; |
| 141 |
|
| 142 |
use strict; |
| 143 |
|
| 144 |
use Scalar::Util; |
| 145 |
|
| 146 |
use CFClient::OpenGL; |
| 147 |
|
| 148 |
my %TEXTURES; |
| 149 |
|
| 150 |
sub new { |
| 151 |
my ($class, %data) = @_; |
| 152 |
|
| 153 |
my $self = bless { |
| 154 |
internalformat => GL_RGBA, |
| 155 |
format => GL_RGBA, |
| 156 |
type => GL_UNSIGNED_BYTE, |
| 157 |
%data, |
| 158 |
}, $class; |
| 159 |
|
| 160 |
Scalar::Util::weaken ($TEXTURES{$self+0} = $self); |
| 161 |
|
| 162 |
$self->upload; |
| 163 |
|
| 164 |
$self |
| 165 |
} |
| 166 |
|
| 167 |
sub new_from_image { |
| 168 |
my ($class, $image, %arg) = @_; |
| 169 |
|
| 170 |
$class->new (image => $image, %arg) |
| 171 |
} |
| 172 |
|
| 173 |
sub new_from_file { |
| 174 |
my ($class, $path, %arg) = @_; |
| 175 |
|
| 176 |
open my $fh, "<:raw", $path |
| 177 |
or die "$path: $!"; |
| 178 |
|
| 179 |
local $/; |
| 180 |
$class->new_from_image (<$fh>, %arg) |
| 181 |
} |
| 182 |
|
| 183 |
#sub new_from_surface { |
| 184 |
# my ($class, $surface) = @_; |
| 185 |
# |
| 186 |
# $surface->rgba; |
| 187 |
# |
| 188 |
# $class->new ( |
| 189 |
# data => $surface->pixels, |
| 190 |
# w => $surface->width, |
| 191 |
# h => $surface->height, |
| 192 |
# ) |
| 193 |
#} |
| 194 |
|
| 195 |
sub new_from_layout { |
| 196 |
my ($class, $layout, %arg) = @_; |
| 197 |
|
| 198 |
my ($w, $h, $data) = $layout->render; |
| 199 |
|
| 200 |
$class->new ( |
| 201 |
w => $w, |
| 202 |
h => $h, |
| 203 |
data => $data, |
| 204 |
internalformat => GL_ALPHA4, |
| 205 |
format => GL_ALPHA, |
| 206 |
type => GL_UNSIGNED_BYTE, |
| 207 |
%arg, |
| 208 |
) |
| 209 |
} |
| 210 |
|
| 211 |
sub new_from_opengl { |
| 212 |
my ($class, $w, $h, $cb) = @_; |
| 213 |
|
| 214 |
$class->new (w => $w, h => $h, render_cb => $cb) |
| 215 |
} |
| 216 |
|
| 217 |
sub topot { |
| 218 |
(grep $_ >= $_[0], 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768)[0] |
| 219 |
} |
| 220 |
|
| 221 |
sub upload { |
| 222 |
my ($self) = @_; |
| 223 |
|
| 224 |
return unless $GL_VERSION; |
| 225 |
|
| 226 |
my $data; |
| 227 |
|
| 228 |
if (exists $self->{data}) { |
| 229 |
$data = $self->{data}; |
| 230 |
|
| 231 |
} elsif (exists $self->{render_cb}) { |
| 232 |
glViewport 0, 0, $self->{w}, $self->{h}; |
| 233 |
glMatrixMode GL_PROJECTION; |
| 234 |
glLoadIdentity; |
| 235 |
glOrtho 0, $self->{w}, 0, $self->{h}, -10000, 10000; |
| 236 |
glMatrixMode GL_MODELVIEW; |
| 237 |
glLoadIdentity; |
| 238 |
$self->{render_cb}->($self, $self->{w}, $self->{h}); |
| 239 |
|
| 240 |
} else { |
| 241 |
($self->{w}, $self->{h}, $data, $self->{internalformat}, $self->{format}, $self->{type}) |
| 242 |
= CFClient::load_image_inline $self->{image}; |
| 243 |
} |
| 244 |
|
| 245 |
my ($tw, $th) = @$self{qw(w h)}; |
| 246 |
|
| 247 |
unless ($tw && $th) { |
| 248 |
$tw = $th = 1; |
| 249 |
$data = "\x00" x 64; |
| 250 |
} |
| 251 |
|
| 252 |
$self->{minified} = [CFClient::average $tw, $th, $data] |
| 253 |
if $self->{minify}; |
| 254 |
|
| 255 |
unless ($GL_NPOT) { |
| 256 |
# TODO: does not work for zero-sized textures |
| 257 |
$tw = topot $tw; |
| 258 |
$th = topot $th; |
| 259 |
|
| 260 |
if ($tw != $self->{w} || $th != $self->{h} && defined $data) { |
| 261 |
my $bpp = (length $data) / ($self->{w} * $self->{h}); |
| 262 |
$data = pack "(a" . ($tw * $bpp) . ")*", |
| 263 |
unpack "(a" . ($self->{w} * $bpp) . ")*", $data; |
| 264 |
$data .= ("\x00" x ($tw * $bpp)) x ($th - $self->{h}); |
| 265 |
} |
| 266 |
} |
| 267 |
|
| 268 |
$self->{s} = $self->{w} / $tw; |
| 269 |
$self->{t} = $self->{h} / $th; |
| 270 |
|
| 271 |
glGetError; |
| 272 |
|
| 273 |
$self->{name} ||= glGenTexture; |
| 274 |
|
| 275 |
glBindTexture GL_TEXTURE_2D, $self->{name}; |
| 276 |
|
| 277 |
glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP; |
| 278 |
glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP; |
| 279 |
|
| 280 |
if ($::FAST) { |
| 281 |
glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST; |
| 282 |
glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST; |
| 283 |
} else { |
| 284 |
glTexParameter GL_TEXTURE_2D, GL_GENERATE_MIPMAP, $self->{mipmap}; |
| 285 |
glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR; |
| 286 |
glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, $self->{mipmap} ? GL_LINEAR_MIPMAP_LINEAR : GL_LINEAR; |
| 287 |
} |
| 288 |
|
| 289 |
if (defined $data) { |
| 290 |
glTexImage2D GL_TEXTURE_2D, 0, |
| 291 |
$self->{internalformat}, |
| 292 |
$tw, $th, # need to pad texture first |
| 293 |
0, |
| 294 |
$self->{format}, |
| 295 |
$self->{type}, |
| 296 |
$data; |
| 297 |
if (my $error = glGetError) { |
| 298 |
warn sprintf "texture upload error: %x %dx%d i=%x f=%x t=%x\n", |
| 299 |
$error, $tw, $th, $self->{internalformat}, $self->{format}, $self->{type}; |
| 300 |
} |
| 301 |
} else { |
| 302 |
glCopyTexImage2D GL_TEXTURE_2D, 0, |
| 303 |
$self->{internalformat}, |
| 304 |
0, 0, |
| 305 |
$tw, $th, |
| 306 |
0; |
| 307 |
glGetError and die "glCopyTexImage2D $tw,$th"; |
| 308 |
} |
| 309 |
} |
| 310 |
|
| 311 |
sub DESTROY { |
| 312 |
my ($self) = @_; |
| 313 |
|
| 314 |
delete $TEXTURES{$self+0}; |
| 315 |
|
| 316 |
glDeleteTexture delete $self->{name} |
| 317 |
if $self->{name}; |
| 318 |
} |
| 319 |
|
| 320 |
sub restore_state{ |
| 321 |
$_->upload |
| 322 |
for values %TEXTURES; |
| 323 |
}; |
| 324 |
|
| 325 |
1; |
| 326 |
|
| 327 |
=back |
| 328 |
|
| 329 |
=head1 AUTHOR |
| 330 |
|
| 331 |
Marc Lehmann <schmorp@schmorp.de> |
| 332 |
http://home.schmorp.de/ |
| 333 |
|
| 334 |
=cut |
| 335 |
|
