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 | our %GL_EXT; |
|
|
25 | our $GL_VERSION; |
|
|
26 | |
|
|
27 | our $GL_NPOT; |
|
|
28 | |
|
|
29 | sub gl_init { |
|
|
30 | $GL_VERSION = gl_version * 1; |
|
|
31 | %GL_EXT = map +($_ => 1), split /\s+/, gl_extensions; |
|
|
32 | |
|
|
33 | $GL_NPOT = $GL_EXT{GL_ARB_texture_non_power_of_two} || $GL_VERSION >= 2; |
|
|
34 | |
|
|
35 | CFClient::Texture::restore_state (); |
|
|
36 | } |
|
|
37 | |
|
|
38 | sub find_rcfile($) { |
|
|
39 | my $path; |
|
|
40 | |
|
|
41 | for (@INC) { |
|
|
42 | $path = "$_/CFClient/resources/$_[0]"; |
|
|
43 | return $path if -r $path; |
|
|
44 | } |
|
|
45 | |
|
|
46 | die "FATAL: can't find required file $_[0]\n"; |
|
|
47 | } |
|
|
48 | |
|
|
49 | sub read_cfg { |
|
|
50 | my ($file) = @_; |
|
|
51 | |
|
|
52 | open CFG, $file |
|
|
53 | or return; |
|
|
54 | |
|
|
55 | my $CFG; |
|
|
56 | |
|
|
57 | local $/; |
|
|
58 | $CFG = eval <CFG>; |
|
|
59 | |
|
|
60 | $::CFG = $CFG; |
|
|
61 | |
|
|
62 | close CFG; |
|
|
63 | } |
|
|
64 | |
|
|
65 | sub write_cfg { |
|
|
66 | my ($file) = @_; |
|
|
67 | |
|
|
68 | open CFG, ">$file" |
|
|
69 | or return; |
|
|
70 | |
|
|
71 | { |
|
|
72 | require Data::Dumper; |
|
|
73 | local $Data::Dumper::Purity = 1; |
|
|
74 | $::CFG->{VERSION} = $::VERSION; |
|
|
75 | print CFG Data::Dumper->Dump ([$::CFG], [qw/CFG/]); |
|
|
76 | } |
|
|
77 | |
|
|
78 | close CFG; |
|
|
79 | } |
|
|
80 | |
|
|
81 | package CFClient::Texture; |
|
|
82 | |
|
|
83 | use strict; |
|
|
84 | |
|
|
85 | use Scalar::Util; |
|
|
86 | |
|
|
87 | use SDL::OpenGL; |
|
|
88 | |
|
|
89 | my @textures; |
|
|
90 | |
|
|
91 | sub new { |
|
|
92 | my ($class, %data) = @_; |
|
|
93 | |
|
|
94 | my $self = bless { |
|
|
95 | internalformat => GL_RGBA, |
|
|
96 | format => GL_RGBA, |
|
|
97 | %data, |
|
|
98 | }, $class; |
|
|
99 | |
|
|
100 | push @textures, $self; |
|
|
101 | Scalar::Util::weaken $textures[-1]; |
|
|
102 | |
|
|
103 | $self->upload; |
|
|
104 | |
|
|
105 | $self |
|
|
106 | } |
|
|
107 | |
|
|
108 | sub new_from_image { |
|
|
109 | my ($class, $image) = @_; |
|
|
110 | |
|
|
111 | $class->new (image => $image) |
|
|
112 | } |
|
|
113 | |
|
|
114 | sub new_from_file { |
|
|
115 | my ($class, $path) = @_; |
|
|
116 | |
|
|
117 | open my $fh, "<:raw", $path |
|
|
118 | or die "$path: $!"; |
|
|
119 | |
|
|
120 | local $/; |
|
|
121 | $class->new_from_image (<$fh>) |
|
|
122 | } |
|
|
123 | |
|
|
124 | #sub new_from_surface { |
|
|
125 | # my ($class, $surface) = @_; |
|
|
126 | # |
|
|
127 | # $surface->rgba; |
|
|
128 | # |
|
|
129 | # $class->new ( |
|
|
130 | # data => $surface->pixels, |
|
|
131 | # w => $surface->width, |
|
|
132 | # h => $surface->height, |
|
|
133 | # ) |
|
|
134 | #} |
|
|
135 | |
|
|
136 | sub new_from_layout { |
|
|
137 | my ($class, $layout) = @_; |
|
|
138 | |
|
|
139 | my ($w, $h, $data) = $layout->render; |
|
|
140 | |
|
|
141 | $class->new ( |
|
|
142 | w => $w, |
|
|
143 | h => $h, |
|
|
144 | data => $data, |
|
|
145 | internalformat => GL_ALPHA4, |
|
|
146 | format => GL_ALPHA, |
|
|
147 | ) |
|
|
148 | } |
|
|
149 | |
|
|
150 | sub new_from_opengl { |
|
|
151 | my ($class, $w, $h, $cb) = @_; |
|
|
152 | |
|
|
153 | $class->new (w => $w, h => $h, render_cb => $cb) |
|
|
154 | } |
|
|
155 | |
|
|
156 | sub topot { |
|
|
157 | (grep $_ >= $_[0], 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768)[0] |
|
|
158 | } |
|
|
159 | |
|
|
160 | sub upload { |
|
|
161 | my ($self) = @_; |
|
|
162 | |
|
|
163 | return unless $SDL::App::USING_OPENGL; |
|
|
164 | |
|
|
165 | my $data; |
|
|
166 | |
|
|
167 | if (exists $self->{data}) { |
|
|
168 | $data = $self->{data}; |
|
|
169 | |
|
|
170 | } elsif (exists $self->{render_cb}) { |
|
|
171 | glViewport 0, 0, $self->{w}, $self->{h}; |
|
|
172 | glOrtho 0, $self->{w}, 0, $self->{h}, -10000, 10000; |
|
|
173 | glMatrixMode GL_PROJECTION; |
|
|
174 | glLoadIdentity; |
|
|
175 | glMatrixMode GL_MODELVIEW; |
|
|
176 | glLoadIdentity; |
|
|
177 | glClear GL_COLOR_BUFFER_BIT; |
|
|
178 | $self->{render_cb}->($self, $self->{w}, $self->{h}); |
|
|
179 | |
|
|
180 | } else { |
|
|
181 | my $pb = new Gtk2::Gdk::PixbufLoader; |
|
|
182 | $pb->write ($self->{image}); |
|
|
183 | $pb->close; |
|
|
184 | |
|
|
185 | $pb = $pb->get_pixbuf; |
|
|
186 | $pb = $pb->add_alpha (0, 0, 0, 0); |
|
|
187 | |
|
|
188 | $self->{w} = $pb->get_width; |
|
|
189 | $self->{h} = $pb->get_height; |
|
|
190 | |
|
|
191 | $data = $pb->get_pixels; |
|
|
192 | } |
|
|
193 | |
|
|
194 | my ($tw, $th) = @$self{qw(w h)}; |
|
|
195 | |
|
|
196 | unless ($tw && $th) { |
|
|
197 | $tw = $th = 1; |
|
|
198 | $data = "\x00" x 64; |
|
|
199 | } |
|
|
200 | |
|
|
201 | unless ($GL_NPOT) { |
|
|
202 | # TODO: does not work for zero-sized textures |
|
|
203 | $tw = topot $tw; |
|
|
204 | $th = topot $th; |
|
|
205 | |
|
|
206 | if ($tw != $self->{w} || $th != $self->{h} && defined $data) { |
|
|
207 | my $bpp = (length $data) / ($self->{w} * $self->{h}); |
|
|
208 | $data = pack "(a" . ($tw * $bpp) . ")*", |
|
|
209 | unpack "(a" . ($self->{w} * $bpp) . ")*", $data; |
|
|
210 | $data .= ("\x00" x ($tw * $bpp)) x ($th - $self->{h}); |
|
|
211 | } |
|
|
212 | } |
|
|
213 | |
|
|
214 | $self->{s} = $self->{w} / $tw; |
|
|
215 | $self->{t} = $self->{h} / $th; |
|
|
216 | |
|
|
217 | $self->{name} ||= (glGenTextures 1)->[0]; |
|
|
218 | |
|
|
219 | glBindTexture GL_TEXTURE_2D, $self->{name}; |
|
|
220 | |
|
|
221 | glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR; |
|
|
222 | glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR;#_MIPMAP_LINEAR; |
|
|
223 | glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP; |
|
|
224 | glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP; |
|
|
225 | |
|
|
226 | if (defined $data) { |
|
|
227 | glTexImage2D GL_TEXTURE_2D, 0, |
|
|
228 | $self->{internalformat}, |
|
|
229 | $tw, $th, # need to pad texture first |
|
|
230 | 0, |
|
|
231 | $self->{format}, |
|
|
232 | GL_UNSIGNED_BYTE, |
|
|
233 | $data; |
|
|
234 | glGetError and die; |
|
|
235 | } else { |
|
|
236 | glCopyTexImage2D GL_TEXTURE_2D, 0, |
|
|
237 | $self->{internalformat}, |
|
|
238 | 0, 0, |
|
|
239 | $tw, $th, |
|
|
240 | 0; |
|
|
241 | glGetError and die; |
|
|
242 | } |
|
|
243 | } |
|
|
244 | |
|
|
245 | sub DESTROY { |
|
|
246 | my ($self) = @_; |
|
|
247 | |
|
|
248 | return unless exists $self->{name}; |
|
|
249 | |
|
|
250 | glDeleteTextures delete $self->{name}; |
|
|
251 | } |
|
|
252 | |
|
|
253 | sub restore_state{ |
|
|
254 | $_->upload |
|
|
255 | for grep $_, @textures; |
|
|
256 | }; |
23 | |
257 | |
24 | 1; |
258 | 1; |
25 | |
259 | |
26 | =back |
260 | =back |
27 | |
261 | |