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/cvs/deliantra/Deliantra-Client/DC.pm
Revision: 1.10
Committed: Sat Apr 8 17:21:01 2006 UTC (18 years, 1 month ago) by elmex
Branch: MAIN
Changes since 1.9: +1 -1 lines
Log Message:
added Window widget (doesn't work correctly yet)

File Contents

# Content
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