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/cvs/deliantra/Deliantra-Client/DC.pm
Revision: 1.8
Committed: Sat Apr 8 13:36:25 2006 UTC (18 years, 1 month ago) by root
Branch: MAIN
Changes since 1.7: +26 -7 lines
Log Message:
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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 local $Data::Dumper::Purity = 1;
59 $::CFG->{VERSION} = $::VERSION;
60 print CFG Data::Dumper->Dump ([$::CFG], [qw/CFG/]);
61 }
62
63 close CFG;
64 }
65
66 package Crossfire::Client::Texture;
67
68 use Scalar::Util;
69
70 use SDL::OpenGL;
71
72 my @textures;
73
74 sub _new {
75 my ($class, %data) = @_;
76
77 my $self = bless \%data, $class;
78
79 push @textures, $self;
80 Scalar::Util::weaken $textures[-1];
81
82 $self->upload;
83
84 $self
85 }
86
87 sub new_from_image {
88 my ($class, $image) = @_;
89
90 $class->_new (image => $image)
91 }
92
93 sub new_from_file {
94 my ($class, $path) = @_;
95
96 open my $fh, "<:raw", $path
97 or die "$path: $!";
98
99 local $/;
100 $class->new_from_image (<$fh>)
101 }
102
103 sub new_from_surface {
104 my ($class, $surface) = @_;
105
106 $surface->rgba;
107
108 $class->_new (
109 data => $surface->pixels,
110 width => $surface->width,
111 height => $surface->height,
112 )
113 }
114
115 sub new_from_ttf {
116 my ($class, $ttf, $text) = @_;
117
118 utf8::encode $text;
119
120 my $surface = SDL::TTFRenderUTF8Blended $ttf, $text,
121 (new SDL::Color -r => 255, -g => 255, -b => 255);
122
123 $class->new_from_surface (bless \$surface, SDL::Surface::)
124 }
125
126 sub new_from_opengl {
127 my ($class, $w, $h, $cb) = @_;
128
129 $class->_new (width => $w, height => $h, render => $cb)
130 }
131
132 sub upload {
133 my ($self) = @_;
134
135 return unless $SDL::App::USING_OPENGL;
136
137 my $data;
138
139 if (exists $self->{data}) {
140 $data = $self->{data};
141 } elsif (exists $self->{rendercb}) {
142 glViewport 0, 0, $self->{width}, $self->{height};
143 glClear GL_COLOR_BUFFER_BIT;
144
145 $self->{rendercb}->($self, $self->{width}, $self->{height});
146 } else {
147 my $pb = new Gtk2::Gdk::PixbufLoader;
148 $pb->write ($self->{image});
149 $pb->close;
150
151 $pb = $pb->get_pixbuf;
152 $pb = $pb->add_alpha (0, 0, 0, 0);
153
154 $self->{width} = $pb->get_width;
155 $self->{height} = $pb->get_height;
156
157 $data = $pb->get_pixels;
158 }
159
160 ($self->{name}) = @{glGenTextures 1};
161
162 glBindTexture GL_TEXTURE_2D, $self->{name};
163
164 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR;
165 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR;#_MIPMAP_LINEAR;
166 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP;
167 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP;
168
169 if (defined $data) {
170 glTexImage2D GL_TEXTURE_2D, 0,
171 GL_RGBA8,
172 $self->{width}, $self->{height},
173 0,
174 GL_RGBA,
175 GL_UNSIGNED_BYTE,
176 $data;
177 } else {
178 glCopyTexImage2D GL_TEXTURE_2D, 0,
179 GL_RGBA8,
180 0, 0,
181 $self->{width}, $self->{height},
182 0;
183 }
184 }
185
186 sub DESTROY {
187 my ($self) = @_;
188
189 return unless exists $self->{name};
190
191 glDeleteTextures delete $self->{name};
192 }
193
194 push @::GLINIT, sub {
195 $_->upload
196 for grep $_, @textures;
197 };
198
199 1;
200
201 =back
202
203 =head1 AUTHOR
204
205 Marc Lehmann <schmorp@schmorp.de>
206 http://home.schmorp.de/
207
208 =cut
209