1 |
=head1 NAME |
2 |
|
3 |
Crossfire::Client - undocumented utility garbage for our crossfire client |
4 |
|
5 |
=head1 SYNOPSIS |
6 |
|
7 |
use Crossfire::Client; |
8 |
|
9 |
=head1 DESCRIPTION |
10 |
|
11 |
=over 4 |
12 |
|
13 |
=cut |
14 |
|
15 |
package Crossfire::Client; |
16 |
|
17 |
BEGIN { |
18 |
$VERSION = '0.1'; |
19 |
|
20 |
use XSLoader; |
21 |
XSLoader::load "Crossfire::Client", $VERSION; |
22 |
} |
23 |
|
24 |
sub find_rcfile($) { |
25 |
my $path; |
26 |
|
27 |
for (@INC) { |
28 |
$path = "$_/Crossfire/resources/$_[0]"; |
29 |
return $path if -r $path; |
30 |
} |
31 |
|
32 |
die "FATAL: can't find required file $_[0]\n"; |
33 |
} |
34 |
|
35 |
sub read_cfg { |
36 |
my ($file) = @_; |
37 |
|
38 |
open CFG, $file |
39 |
or return; |
40 |
|
41 |
my $CFG; |
42 |
|
43 |
local $/; |
44 |
$CFG = eval <CFG>; |
45 |
|
46 |
$::CFG = $CFG; |
47 |
|
48 |
close CFG; |
49 |
} |
50 |
|
51 |
sub write_cfg { |
52 |
my ($file) = @_; |
53 |
|
54 |
open CFG, ">$file" |
55 |
or return; |
56 |
|
57 |
{ |
58 |
require Data::Dumper; |
59 |
local $Data::Dumper::Purity = 1; |
60 |
$::CFG->{VERSION} = $::VERSION; |
61 |
print CFG Data::Dumper->Dump ([$::CFG], [qw/CFG/]); |
62 |
} |
63 |
|
64 |
close CFG; |
65 |
} |
66 |
|
67 |
package Crossfire::Client::Texture; |
68 |
|
69 |
use Scalar::Util; |
70 |
|
71 |
use SDL::OpenGL; |
72 |
|
73 |
my @textures; |
74 |
|
75 |
sub _new { |
76 |
my ($class, %data) = @_; |
77 |
|
78 |
my $self = bless \%data, $class; |
79 |
|
80 |
push @textures, $self; |
81 |
Scalar::Util::weaken $textures[-1]; |
82 |
|
83 |
$self->upload; |
84 |
|
85 |
$self |
86 |
} |
87 |
|
88 |
sub new_from_image { |
89 |
my ($class, $image) = @_; |
90 |
|
91 |
$class->_new (image => $image) |
92 |
} |
93 |
|
94 |
sub new_from_file { |
95 |
my ($class, $path) = @_; |
96 |
|
97 |
open my $fh, "<:raw", $path |
98 |
or die "$path: $!"; |
99 |
|
100 |
local $/; |
101 |
$class->new_from_image (<$fh>) |
102 |
} |
103 |
|
104 |
sub new_from_surface { |
105 |
my ($class, $surface) = @_; |
106 |
|
107 |
$surface->rgba; |
108 |
|
109 |
$class->_new ( |
110 |
data => $surface->pixels, |
111 |
width => $surface->width, |
112 |
height => $surface->height, |
113 |
) |
114 |
} |
115 |
|
116 |
sub new_from_ttf { |
117 |
my ($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 |
$class->new_from_surface (bless \$surface, SDL::Surface::) |
125 |
} |
126 |
|
127 |
sub new_from_opengl { |
128 |
my ($class, $w, $h, $cb) = @_; |
129 |
|
130 |
$class->_new (width => $w, height => $h, rendercb => $cb) |
131 |
} |
132 |
|
133 |
sub upload { |
134 |
my ($self) = @_; |
135 |
|
136 |
return unless $SDL::App::USING_OPENGL; |
137 |
|
138 |
my $data; |
139 |
|
140 |
if (exists $self->{data}) { |
141 |
$data = $self->{data}; |
142 |
} elsif (exists $self->{rendercb}) { |
143 |
glViewport 0, 0, $self->{width}, $self->{height}; |
144 |
glClear GL_COLOR_BUFFER_BIT; |
145 |
|
146 |
$self->{rendercb}->($self, $self->{width}, $self->{height}); |
147 |
} else { |
148 |
my $pb = new Gtk2::Gdk::PixbufLoader; |
149 |
$pb->write ($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 = $pb->get_pixels; |
159 |
} |
160 |
|
161 |
($self->{name}) = @{glGenTextures 1}; |
162 |
|
163 |
glBindTexture GL_TEXTURE_2D, $self->{name}; |
164 |
|
165 |
glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR; |
166 |
glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR;#_MIPMAP_LINEAR; |
167 |
glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP; |
168 |
glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP; |
169 |
|
170 |
if (defined $data) { |
171 |
glTexImage2D GL_TEXTURE_2D, 0, |
172 |
GL_RGBA8, |
173 |
$self->{width}, $self->{height}, |
174 |
0, |
175 |
GL_RGBA, |
176 |
GL_UNSIGNED_BYTE, |
177 |
$data; |
178 |
} else { |
179 |
glCopyTexImage2D GL_TEXTURE_2D, 0, |
180 |
GL_RGBA8, |
181 |
0, 0, |
182 |
$self->{width}, $self->{height}, |
183 |
0; |
184 |
} |
185 |
} |
186 |
|
187 |
sub DESTROY { |
188 |
my ($self) = @_; |
189 |
|
190 |
return unless exists $self->{name}; |
191 |
|
192 |
glDeleteTextures delete $self->{name}; |
193 |
} |
194 |
|
195 |
push @::GLINIT, sub { |
196 |
$_->upload |
197 |
for grep $_, @textures; |
198 |
}; |
199 |
|
200 |
1; |
201 |
|
202 |
=back |
203 |
|
204 |
=head1 AUTHOR |
205 |
|
206 |
Marc Lehmann <schmorp@schmorp.de> |
207 |
http://home.schmorp.de/ |
208 |
|
209 |
=cut |
210 |
|